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public function setProp1($prop) { $this->prop1 = $prop; return $this; } public function getProp2() { return $this->prop2; } public function setProp2($prop) { $this->prop2 = $prop; return $this; } } name = $name; } public function getProp() { return $this->prop; } public function setProp($prop) { $this->prop = $prop; return $this; } }foo = $foo; } public function getFoo() { return $this->foo; } } bProp; } public function setBProp($prop) { $this->bProp = $prop; return $this; } } aProp; } public function setAProp($prop) { $this->aProp = $prop; return $this; } } bProp; } public function setBProp($prop) { $this->bProp = $prop; return $this; } public function __clone() { $this->cloned = true; } } aProp; } public function setAProp($prop) { $this->aProp = $prop; return $this; } public function __clone() { $this->cloned = true; } } cloned = true; } } cloned = true; } } { "name": "myclabs/deep-copy", "type": "library", "description": "Create deep copies (clones) of your objects", "keywords": ["clone", "copy", "duplicate", "object", "object graph"], "license": "MIT", "autoload": { "psr-4": { "DeepCopy\\": "src/DeepCopy/" }, "files": [ "src/DeepCopy/deep_copy.php" ] }, "autoload-dev": { "psr-4": { "DeepCopy\\": "fixtures/", "DeepCopyTest\\": "tests/DeepCopyTest/" } }, "require": { "php": "^7.1" }, "require-dev": { "doctrine/collections": "^1.0", "doctrine/common": "^2.6", "phpunit/phpunit": "^7.1" }, "replace": { "myclabs/deep-copy": "self.version" }, "config": { "sort-packages": true } } copy($value); } } class = $class; $this->property = $property; } /** * Matches a specific property of a specific class. * * {@inheritdoc} */ public function matches($object, $property) { return ($object instanceof $this->class) && $property == $this->property; } } property = $property; } /** * Matches a property by its name. * * {@inheritdoc} */ public function matches($object, $property) { return $property == $this->property; } } propertyType = $propertyType; } /** * {@inheritdoc} */ public function matches($object, $property) { try { $reflectionProperty = ReflectionHelper::getProperty($object, $property); } catch (ReflectionException $exception) { return false; } $reflectionProperty->setAccessible(true); return $reflectionProperty->getValue($object) instanceof $this->propertyType; } } Filter, 'matcher' => Matcher] pairs. */ private $filters = []; /** * Type Filters to apply. * * @var array Array of ['filter' => Filter, 'matcher' => Matcher] pairs. */ private $typeFilters = []; /** * @var bool */ private $skipUncloneable = false; /** * @var bool */ private $useCloneMethod; /** * @param bool $useCloneMethod If set to true, when an object implements the __clone() function, it will be used * instead of the regular deep cloning. */ public function __construct($useCloneMethod = false) { $this->useCloneMethod = $useCloneMethod; $this->addTypeFilter(new DateIntervalFilter(), new TypeMatcher(DateInterval::class)); $this->addTypeFilter(new SplDoublyLinkedListFilter($this), new TypeMatcher(SplDoublyLinkedList::class)); } /** * If enabled, will not throw an exception when coming across an uncloneable property. * * @param $skipUncloneable * * @return $this */ public function skipUncloneable($skipUncloneable = true) { $this->skipUncloneable = $skipUncloneable; return $this; } /** * Deep copies the given object. * * @param mixed $object * * @return mixed */ public function copy($object) { $this->hashMap = []; return $this->recursiveCopy($object); } public function addFilter(Filter $filter, Matcher $matcher) { $this->filters[] = [ 'matcher' => $matcher, 'filter' => $filter, ]; } public function prependFilter(Filter $filter, Matcher $matcher) { array_unshift($this->filters, [ 'matcher' => $matcher, 'filter' => $filter, ]); } public function addTypeFilter(TypeFilter $filter, TypeMatcher $matcher) { $this->typeFilters[] = [ 'matcher' => $matcher, 'filter' => $filter, ]; } private function recursiveCopy($var) { // Matches Type Filter if ($filter = $this->getFirstMatchedTypeFilter($this->typeFilters, $var)) { return $filter->apply($var); } // Resource if (is_resource($var)) { return $var; } // Array if (is_array($var)) { return $this->copyArray($var); } // Scalar if (! is_object($var)) { return $var; } // Object return $this->copyObject($var); } /** * Copy an array * @param array $array * @return array */ private function copyArray(array $array) { foreach ($array as $key => $value) { $array[$key] = $this->recursiveCopy($value); } return $array; } /** * Copies an object. * * @param object $object * * @throws CloneException * * @return object */ private function copyObject($object) { $objectHash = spl_object_hash($object); if (isset($this->hashMap[$objectHash])) { return $this->hashMap[$objectHash]; } $reflectedObject = new ReflectionObject($object); $isCloneable = $reflectedObject->isCloneable(); if (false === $isCloneable) { if ($this->skipUncloneable) { $this->hashMap[$objectHash] = $object; return $object; } throw new CloneException( sprintf( 'The class "%s" is not cloneable.', $reflectedObject->getName() ) ); } $newObject = clone $object; $this->hashMap[$objectHash] = $newObject; if ($this->useCloneMethod && $reflectedObject->hasMethod('__clone')) { return $newObject; } if ($newObject instanceof DateTimeInterface || $newObject instanceof DateTimeZone) { return $newObject; } foreach (ReflectionHelper::getProperties($reflectedObject) as $property) { $this->copyObjectProperty($newObject, $property); } return $newObject; } private function copyObjectProperty($object, ReflectionProperty $property) { // Ignore static properties if ($property->isStatic()) { return; } // Apply the filters foreach ($this->filters as $item) { /** @var Matcher $matcher */ $matcher = $item['matcher']; /** @var Filter $filter */ $filter = $item['filter']; if ($matcher->matches($object, $property->getName())) { $filter->apply( $object, $property->getName(), function ($object) { return $this->recursiveCopy($object); } ); // If a filter matches, we stop processing this property return; } } $property->setAccessible(true); $propertyValue = $property->getValue($object); // Copy the property $property->setValue($object, $this->recursiveCopy($propertyValue)); } /** * Returns first filter that matches variable, `null` if no such filter found. * * @param array $filterRecords Associative array with 2 members: 'filter' with value of type {@see TypeFilter} and * 'matcher' with value of type {@see TypeMatcher} * @param mixed $var * * @return TypeFilter|null */ private function getFirstMatchedTypeFilter(array $filterRecords, $var) { $matched = $this->first( $filterRecords, function (array $record) use ($var) { /* @var TypeMatcher $matcher */ $matcher = $record['matcher']; return $matcher->matches($var); } ); return isset($matched) ? $matched['filter'] : null; } /** * Returns first element that matches predicate, `null` if no such element found. * * @param array $elements Array of ['filter' => Filter, 'matcher' => Matcher] pairs. * @param callable $predicate Predicate arguments are: element. * * @return array|null Associative array with 2 members: 'filter' with value of type {@see TypeFilter} and 'matcher' * with value of type {@see TypeMatcher} or `null`. */ private function first(array $elements, callable $predicate) { foreach ($elements as $element) { if (call_user_func($predicate, $element)) { return $element; } } return null; } } callback = $callable; } /** * Replaces the object property by the result of the callback called with the object property. * * {@inheritdoc} */ public function apply($object, $property, $objectCopier) { $reflectionProperty = ReflectionHelper::getProperty($object, $property); $reflectionProperty->setAccessible(true); $value = call_user_func($this->callback, $reflectionProperty->getValue($object)); $reflectionProperty->setValue($object, $value); } } setAccessible(true); $reflectionProperty->setValue($object, new ArrayCollection()); } } setAccessible(true); $oldCollection = $reflectionProperty->getValue($object); $newCollection = $oldCollection->map( function ($item) use ($objectCopier) { return $objectCopier($item); } ); $reflectionProperty->setValue($object, $newCollection); } } __load(); } } setAccessible(true); $reflectionProperty->setValue($object, null); } } type = $type; } /** * @param mixed $element * * @return boolean */ public function matches($element) { return is_object($element) ? is_a($element, $this->type) : gettype($element) === $this->type; } } getProperties() does not return private properties from ancestor classes. * * @author muratyaman@gmail.com * @see http://php.net/manual/en/reflectionclass.getproperties.php * * @param ReflectionClass $ref * * @return ReflectionProperty[] */ public static function getProperties(ReflectionClass $ref) { $props = $ref->getProperties(); $propsArr = array(); foreach ($props as $prop) { $propertyName = $prop->getName(); $propsArr[$propertyName] = $prop; } if ($parentClass = $ref->getParentClass()) { $parentPropsArr = self::getProperties($parentClass); foreach ($propsArr as $key => $property) { $parentPropsArr[$key] = $property; } return $parentPropsArr; } return $propsArr; } /** * Retrieves property by name from object and all its ancestors. * * @param object|string $object * @param string $name * * @throws PropertyException * @throws ReflectionException * * @return ReflectionProperty */ public static function getProperty($object, $name) { $reflection = is_object($object) ? new ReflectionObject($object) : new ReflectionClass($object); if ($reflection->hasProperty($name)) { return $reflection->getProperty($name); } if ($parentClass = $reflection->getParentClass()) { return self::getProperty($parentClass->getName(), $name); } throw new PropertyException( sprintf( 'The class "%s" doesn\'t have a property with the given name: "%s".', is_object($object) ? get_class($object) : $object, $name ) ); } } callback = $callable; } /** * {@inheritdoc} */ public function apply($element) { return call_user_func($this->callback, $element); } } copier = $copier; } /** * {@inheritdoc} */ public function apply($element) { $newElement = clone $element; $copy = $this->createCopyClosure(); return $copy($newElement); } private function createCopyClosure() { $copier = $this->copier; $copy = function (SplDoublyLinkedList $list) use ($copier) { // Replace each element in the list with a deep copy of itself for ($i = 1; $i <= $list->count(); $i++) { $copy = $copier->recursiveCopy($list->shift()); $list->push($copy); } return $list; }; return Closure::bind($copy, null, DeepCopy::class); } } $propertyValue) { $copy->{$propertyName} = $propertyValue; } return $copy; } } 0) { $s = preg_replace('#(?:^|[\r\n]+)(?=[^\r\n])#', '$0' . str_repeat($chars, $level), $s); } return $s; } function add_method_arguments($arguments) { $ret = array(); foreach ($arguments as $arg) { $ret[] = '$' . to_snake_case($arg['name']) . argument_default_val($arg); } return implode(", ", $ret); } /** * @param array $domains * @param string $domain * @return string * @throws Exception */ function domain_to_type($domains, $domain) { foreach ($domains as $d) { if ($d[0] == $domain) { return $d[1]; } } throw new \Exception("Invalid domain: " . $domain); } /** * @param array $domains * @param array $arg * @return string * @throws Exception */ function argument_type($domains, $arg) { return isset($arg['type']) ? $arg['type'] : domain_to_type($domains, $arg['domain']); } class ArgumentWriter { protected $bit_args = array(); public function call_write_argument($domains, $arg) { $a_type = argument_type($domains, $arg); if ($a_type == 'bit') { $this->bit_args[] = '$' . to_snake_case($arg['name']); $ret = ''; } else { $ret = $this->write_bits(); $a_name = '$' . to_snake_case($arg['name']); $ret .= '$writer->write_' . $a_type . '(' . ($a_type === 'table' ? 'empty(' . $a_name . ') ? array() : ' : '') . $a_name . ");\n"; } return $ret; } public function write_bits() { if (empty($this->bit_args)) { return ''; } $ret = '$writer->write_bits(array(' . implode(', ', $this->bit_args) . "));\n"; $this->bit_args = array(); return $ret; } } function call_read_argument($domains, $arg) { return '$reader->read_' . argument_type($domains, $arg) . "();\n"; } function protocol_version($json_spec) { if (isset($json_spec['revision'])) { return $json_spec['major-version'] . $json_spec['minor-version'] . $json_spec['revision']; } else { return '0' . $json_spec['major-version'] . $json_spec['minor-version']; } } function protocol_header($json_spec) { if (isset($json_spec['revision'])) { $args = array(0, $json_spec['major-version'], $json_spec['minor-version'], $json_spec['revision']); } else { $args = array(1, 1, $json_spec['major-version'], $json_spec['minor-version']); } array_unshift($args, 'AMQP\x%02x\x%02x\x%02x\x%02x'); return '"' . call_user_func_array('sprintf', $args) . '"'; } $argumentWriter = new ArgumentWriter(); $out = 'call_write_argument($json_spec['domains'], $arg); } $methodBody .= $argumentWriter->write_bits(); $methodBody .= 'return array(' . $c['id'] . ", " . $m['id'] . ', $writer);'; $methods .= '/**' . "\n"; $methods .= addPhpDocParams($m['arguments']) . "\n"; $methods .= ' * @return array' . "\n"; $methods .= ' */' . "\n"; $methods .= 'public function ' . method_name($c['name'], $m['name']) . "("; $methods .= add_method_arguments($m['arguments']); $methods .= ")\n{\n"; $methods .= indent($methodBody) . "\n"; $methods .= "}\n"; } else { $methodBody = '$response = array();' . "\n"; foreach ($m['arguments'] as $arg) { $methodBody .= '$response[] = ' . call_read_argument($json_spec['domains'], $arg); } $methodBody .= 'return $response;'; $methods .= '/**' . "\n"; $methods .= ' * @param AMQPReader $reader' . "\n"; $methods .= ' * @return array' . "\n"; $methods .= ' */' . "\n"; $methods .= 'public static function ' . method_name($c['name'], $m['name']) . '(AMQPReader $reader)' . "\n{\n"; $methods .= indent($methodBody) . "\n"; $methods .= "}\n"; } } } $out .= indent(rtrim($methods)) . "\n"; $out .= "}\n"; file_put_contents(__DIR__ . '/../PhpAmqpLib/Helper/Protocol/Protocol' . protocol_version($json_spec) . '.php', $out); function export_property($ret) { if (!is_array($ret)) { return var_export($ret, true); } $code = ''; foreach ($ret as $key => $value) { $code .= var_export($key, true) . ' => ' . export_property($value) . ",\n"; } return "array(\n" . indent($code) . ")"; } function frame_types($json_spec) { $ret = array(); foreach ($json_spec['constants'] as $c) { if (mb_substr($c['name'], 0, 5, 'ASCII') == "FRAME") { $ret[$c['value']] = $c['name']; } } return export_property($ret); } function content_methods($json_spec) { $ret = array(); foreach ($json_spec['classes'] as $c) { foreach ($c['methods'] as $m) { if (isset($m['content']) && $m['content']) { $ret[] = $c['id'] . "," . $m['id']; } } } return export_property($ret); } function close_methods($json_spec) { $ret = array(); foreach ($json_spec['classes'] as $c) { foreach ($c['methods'] as $m) { if ($m['name'] == 'close') { $ret[] = $c['id'] . "," . $m['id']; } } } return export_property($ret); } function global_method_names($json_spec) { $ret = array(); foreach ($json_spec['classes'] as $c) { foreach ($c['methods'] as $m) { $ret[$c['id'] . "," . $m['id']] = ucfirst($c['name']) . '.' . to_snake_case($m['name']); } } return export_property($ret); } /** * @param string $type * @param string $variableName * @param string $returnType (optional) * @return string */ function get_type_phpdoc($type, $variableName = null, $returnType = null) { $properties = "/**\n"; $properties .= " * @var " . $type; if ($variableName != null) { $properties .= " " . $variableName; } $properties .= "\n"; if ($returnType != null) { $properties .= " * @return " . $returnType . "\n"; } $properties .= " */\n"; return $properties; } $properties = get_type_phpdoc('string'); $properties .= 'public static $AMQP_PROTOCOL_HEADER = ' . protocol_header($json_spec) . ";\n\n"; $properties .= get_type_phpdoc('array'); $properties .= 'public static $FRAME_TYPES = ' . frame_types($json_spec) . ";\n\n"; $properties .= get_type_phpdoc('array'); $properties .= 'public static $CONTENT_METHODS = ' . content_methods($json_spec) . ";\n\n"; $properties .= get_type_phpdoc('array'); $properties .= 'public static $CLOSE_METHODS = ' . close_methods($json_spec) . ";\n\n"; $properties .= get_type_phpdoc('array'); $properties .= 'public static $GLOBAL_METHOD_NAMES = ' . global_method_names($json_spec) . ";\n"; $out = 'wait[$method];') . "\n"; $classBody .= "}"; $out = ' 'basic_cancel_from_server', '60,80' => 'basic_ack_from_server', '60,120' => 'basic_nack_from_server' ); foreach ($json_spec['classes'] as $c) { foreach ($c['methods'] as $m) { if (isset($special_map[$c['id'] . ',' . $m['id']]) && protocol_version($json_spec) == '091') { $ret[$c['id'] . "," . $m['id']] = $special_map[$c['id'] . ',' . $m['id']]; } else { $ret[$c['id'] . "," . $m['id']] = $c['name'] . '_' . to_snake_case($m['name']); } } } return export_property($ret); } $classBody = ''; $classBody .= get_type_phpdoc('array'); $classBody .= 'protected $method_map = ' . method_map($json_spec) . ";\n\n"; $classBody .= get_type_phpdoc('string', '$method_sig', 'string'); $classBody .= 'public function get_method($method_sig)' . "\n{\n"; $classBody .= indent('return $this->method_map[$method_sig];') . "\n"; $classBody .= "}\n\n"; $classBody .= get_type_phpdoc('string', '$method_sig', 'bool'); $classBody .= 'public function valid_method($method_sig)' . "\n{\n"; $classBody .= indent('return array_key_exists($method_sig, $this->method_map);') . "\n"; $classBody .= "}"; $out = 'n = $n; $this->e = $e; } /** * @return string */ public function asBCvalue() { return bcdiv($this->n, bcpow(10, $this->e)); } /** * @return int */ public function getE() { return $this->e; } /** * @return int */ public function getN() { return $this->n; } } is64bits = PHP_INT_SIZE == 8; $tmp = unpack('S', "\x01\x00"); // to maintain 5.3 compatibility $this->isLittleEndian = $tmp[1] == 1; } /** * Converts byte-string between native and network byte order, in both directions * * @param string $byteStr * @return string */ protected function correctEndianness($byteStr) { return $this->isLittleEndian ? strrev($byteStr) : $byteStr; } } 128)) { throw new Exception\AMQPInvalidArgumentException('Table key must be non-empty string up to 128 chars in length'); } $this->setValue($val, $type, $key); } } str = is_string($str) ? $str : ''; $this->str_length = mb_strlen($this->str, 'ASCII'); $this->io = $io; $this->offset = 0; $this->bitcount = $this->bits = 0; $this->timeout = $timeout; } /** * Resets the object from the injected param * * Used to not need to create a new AMQPReader instance every time. * when we can just pass a string and reset the object state. * NOTE: since we are working with strings we don't need to pass an AbstractIO * or a timeout. * * @param string $str */ public function reuse($str) { $this->str = $str; $this->str_length = mb_strlen($this->str, 'ASCII'); $this->offset = 0; $this->bitcount = $this->bits = 0; } /** * Closes the stream */ public function close() { if ($this->io) { $this->io->close(); } } /** * @param int $n * @return string */ public function read($n) { $this->bitcount = $this->bits = 0; return $this->rawread($n); } /** * Waits until some data is retrieved from the socket. * * AMQPTimeoutException can be raised if the timeout is set * * @throws \PhpAmqpLib\Exception\AMQPIOWaitException on network errors * @throws \PhpAmqpLib\Exception\AMQPTimeoutException when timeout is set and no data received * @throws \PhpAmqpLib\Exception\AMQPNoDataException when no data is ready to read from IO */ protected function wait() { $timeout = $this->getTimeout(); if (null === $timeout) { // timeout=null just poll state and return instantly $sec = 0; $usec = 0; } elseif ($timeout > 0) { list($sec, $usec) = MiscHelper::splitSecondsMicroseconds($this->getTimeout()); } else { // wait indefinitely for data if timeout=0 $sec = null; $usec = 0; } $result = $this->io->select($sec, $usec); if ($result === false) { throw new AMQPIOWaitException('A network error occurred while awaiting for incoming data'); } if ($result === 0) { if ($timeout > 0) { throw new AMQPTimeoutException(sprintf( 'The connection timed out after %s sec while awaiting incoming data', $timeout )); } else { throw new AMQPNoDataException('No data is ready to read'); } } } /** * @param int $n * @return string * @throws \RuntimeException * @throws \PhpAmqpLib\Exception\AMQPDataReadException * @throws \PhpAmqpLib\Exception\AMQPNoDataException */ protected function rawread($n) { if ($this->io) { while (true) { $this->wait(); try { $res = $this->io->read($n); break; } catch (AMQPTimeoutException $e) { if ($this->getTimeout() > 0) { throw $e; } } } $this->offset += $n; return $res; } if ($this->str_length < $n) { throw new AMQPDataReadException(sprintf( 'Error reading data. Requested %s bytes while string buffer has only %s', $n, $this->str_length )); } $res = mb_substr($this->str, 0, $n, 'ASCII'); $this->str = mb_substr($this->str, $n, mb_strlen($this->str, 'ASCII') - $n, 'ASCII'); $this->str_length -= $n; $this->offset += $n; return $res; } /** * @return bool */ public function read_bit() { if (empty($this->bitcount)) { $this->bits = ord($this->rawread(1)); $this->bitcount = 8; } $result = ($this->bits & 1) == 1; $this->bits >>= 1; $this->bitcount -= 1; return $result; } /** * @return mixed */ public function read_octet() { $this->bitcount = $this->bits = 0; list(, $res) = unpack('C', $this->rawread(1)); return $res; } /** * @return mixed */ public function read_signed_octet() { $this->bitcount = $this->bits = 0; list(, $res) = unpack('c', $this->rawread(1)); return $res; } /** * @return mixed */ public function read_short() { $this->bitcount = $this->bits = 0; list(, $res) = unpack('n', $this->rawread(2)); return $res; } /** * @return mixed */ public function read_signed_short() { $this->bitcount = $this->bits = 0; list(, $res) = unpack('s', $this->correctEndianness($this->rawread(2))); return $res; } /** * Reads 32 bit integer in big-endian byte order. * * On 64 bit systems it will return always unsigned int * value in 0..2^32 range. * * On 32 bit systems it will return signed int value in * -2^31...+2^31 range. * * Use with caution! */ public function read_php_int() { list(, $res) = unpack('N', $this->rawread(4)); if ($this->is64bits) { return (int) sprintf('%u', $res); } return $res; } /** * PHP does not have unsigned 32 bit int, * so we return it as a string * * @return string */ public function read_long() { $this->bitcount = $this->bits = 0; list(, $res) = unpack('N', $this->rawread(4)); return empty($this->is64bits) && self::getLongMSB($res) ? sprintf('%u', $res) : $res; } /** * @return integer */ private function read_signed_long() { $this->bitcount = $this->bits = 0; list(, $res) = unpack('l', $this->correctEndianness($this->rawread(4))); return $res; } /** * Even on 64 bit systems PHP integers are singed. * Since we need an unsigned value here we return it * as a string. * * @return string */ public function read_longlong() { $this->bitcount = $this->bits = 0; list(, $hi, $lo) = unpack('N2', $this->rawread(8)); $msb = self::getLongMSB($hi); if (empty($this->is64bits)) { if ($msb) { $hi = sprintf('%u', $hi); } if (self::getLongMSB($lo)) { $lo = sprintf('%u', $lo); } } return bcadd($this->is64bits && !$msb ? $hi << 32 : bcmul($hi, '4294967296', 0), $lo, 0); } /** * @return string */ public function read_signed_longlong() { $this->bitcount = $this->bits = 0; list(, $hi, $lo) = unpack('N2', $this->rawread(8)); if ($this->is64bits) { return bcadd($hi << 32, $lo, 0); } else { return bcadd(bcmul($hi, '4294967296', 0), self::getLongMSB($lo) ? sprintf('%u', $lo) : $lo, 0); } } /** * @param int $longInt * @return bool */ private static function getLongMSB($longInt) { return (bool) ($longInt & 0x80000000); } /** * Read a utf-8 encoded string that's stored in up to * 255 bytes. Return it decoded as a PHP unicode object. */ public function read_shortstr() { $this->bitcount = $this->bits = 0; list(, $slen) = unpack('C', $this->rawread(1)); return $this->rawread($slen); } /** * Read a string that's up to 2**32 bytes, the encoding * isn't specified in the AMQP spec, so just return it as * a plain PHP string. */ public function read_longstr() { $this->bitcount = $this->bits = 0; $slen = $this->read_php_int(); if ($slen < 0) { throw new AMQPOutOfBoundsException('Strings longer than supported on this platform'); } return $this->rawread($slen); } /** * Read and AMQP timestamp, which is a 64-bit integer representing * seconds since the Unix epoch in 1-second resolution. */ public function read_timestamp() { return $this->read_longlong(); } /** * Read an AMQP table, and return as a PHP array. keys are strings, * values are (type,value) tuples. * * @param bool $returnObject Whether to return AMQPArray instance instead of plain array * @return array|AMQPTable */ public function read_table($returnObject = false) { $this->bitcount = $this->bits = 0; $tlen = $this->read_php_int(); if ($tlen < 0) { throw new AMQPOutOfBoundsException('Table is longer than supported'); } $table_data = new AMQPReader($this->rawread($tlen), null); $result = $returnObject ? new AMQPTable() : array(); while ($table_data->tell() < $tlen) { $name = $table_data->read_shortstr(); $ftype = AMQPAbstractCollection::getDataTypeForSymbol($ftypeSym = $table_data->rawread(1)); $val = $table_data->read_value($ftype, $returnObject); $returnObject ? $result->set($name, $val, $ftype) : $result[$name] = array($ftypeSym, $val); } return $result; } /** * @return array|AMQPTable */ public function read_table_object() { return $this->read_table(true); } /** * Reads the array in the next value. * * @param bool $returnObject Whether to return AMQPArray instance instead of plain array * @return array|AMQPArray */ public function read_array($returnObject = false) { $this->bitcount = $this->bits = 0; // Determine array length and its end position $arrayLength = $this->read_php_int(); $endOffset = $this->offset + $arrayLength; $result = $returnObject ? new AMQPArray() : array(); // Read values until we reach the end of the array while ($this->offset < $endOffset) { $fieldType = AMQPAbstractCollection::getDataTypeForSymbol($this->rawread(1)); $fieldValue = $this->read_value($fieldType, $returnObject); $returnObject ? $result->push($fieldValue, $fieldType) : $result[] = $fieldValue; } return $result; } /** * @return array|AMQPArray */ public function read_array_object() { return $this->read_array(true); } /** * Reads the next value as the provided field type. * * @param int $fieldType One of AMQPAbstractCollection::T_* constants * @param bool $collectionsAsObjects Description * @return mixed * @throws \PhpAmqpLib\Exception\AMQPDataReadException */ public function read_value($fieldType, $collectionsAsObjects = false) { $this->bitcount = $this->bits = 0; switch ($fieldType) { case AMQPAbstractCollection::T_INT_SHORTSHORT: //according to AMQP091 spec, 'b' is not bit, it is short-short-int, also valid for rabbit/qpid //$val=$this->read_bit(); $val = $this->read_signed_octet(); break; case AMQPAbstractCollection::T_INT_SHORTSHORT_U: $val = $this->read_octet(); break; case AMQPAbstractCollection::T_INT_SHORT: $val = $this->read_signed_short(); break; case AMQPAbstractCollection::T_INT_SHORT_U: $val = $this->read_short(); break; case AMQPAbstractCollection::T_INT_LONG: $val = $this->read_signed_long(); break; case AMQPAbstractCollection::T_INT_LONG_U: $val = $this->read_long(); break; case AMQPAbstractCollection::T_INT_LONGLONG: $val = $this->read_signed_longlong(); break; case AMQPAbstractCollection::T_INT_LONGLONG_U: $val = $this->read_longlong(); break; case AMQPAbstractCollection::T_DECIMAL: $e = $this->read_octet(); $n = $this->read_signed_long(); $val = new AMQPDecimal($n, $e); break; case AMQPAbstractCollection::T_TIMESTAMP: $val = $this->read_timestamp(); break; case AMQPAbstractCollection::T_BOOL: $val = $this->read_octet(); break; case AMQPAbstractCollection::T_STRING_SHORT: $val = $this->read_shortstr(); break; case AMQPAbstractCollection::T_STRING_LONG: $val = $this->read_longstr(); break; case AMQPAbstractCollection::T_ARRAY: $val = $this->read_array($collectionsAsObjects); break; case AMQPAbstractCollection::T_TABLE: $val = $this->read_table($collectionsAsObjects); break; case AMQPAbstractCollection::T_VOID: $val = null; break; case AMQPAbstractCollection::T_BYTES: $val = $this->read_longstr(); break; default: throw new AMQPInvalidArgumentException(sprintf( 'Unsupported type "%s"', $fieldType )); } return isset($val) ? $val : null; } /** * @return int */ protected function tell() { return $this->offset; } /** * Sets the timeout (second) * * @param int|float|null $timeout */ public function setTimeout($timeout) { $this->timeout = $timeout; } /** * @return int|float */ public function getTimeout() { return $this->timeout; } } 'FRAME-METHOD', 2 => 'FRAME-HEADER', 3 => 'FRAME-BODY', 4 => 'FRAME-OOB-METHOD', 5 => 'FRAME-OOB-HEADER', 6 => 'FRAME-OOB-BODY', 7 => 'FRAME-TRACE', 8 => 'FRAME-HEARTBEAT', 4096 => 'FRAME-MIN-SIZE', 206 => 'FRAME-END', 501 => 'FRAME-ERROR', ); /** * @var array */ public static $CONTENT_METHODS = array( 0 => '60,40', 1 => '60,50', 2 => '60,60', 3 => '60,71', 4 => '70,50', 5 => '70,70', 6 => '80,40', 7 => '80,50', 8 => '80,60', 9 => '110,10', 10 => '120,40', 11 => '120,41', ); /** * @var array */ public static $CLOSE_METHODS = array( 0 => '10,60', 1 => '20,40', ); /** * @var array */ public static $GLOBAL_METHOD_NAMES = array( '10,10' => 'Connection.start', '10,11' => 'Connection.start_ok', '10,20' => 'Connection.secure', '10,21' => 'Connection.secure_ok', '10,30' => 'Connection.tune', '10,31' => 'Connection.tune_ok', '10,40' => 'Connection.open', '10,41' => 'Connection.open_ok', '10,50' => 'Connection.redirect', '10,60' => 'Connection.close', '10,61' => 'Connection.close_ok', '20,10' => 'Channel.open', '20,11' => 'Channel.open_ok', '20,20' => 'Channel.flow', '20,21' => 'Channel.flow_ok', '20,30' => 'Channel.alert', '20,40' => 'Channel.close', '20,41' => 'Channel.close_ok', '30,10' => 'Access.request', '30,11' => 'Access.request_ok', '40,10' => 'Exchange.declare', '40,11' => 'Exchange.declare_ok', '40,20' => 'Exchange.delete', '40,21' => 'Exchange.delete_ok', '50,10' => 'Queue.declare', '50,11' => 'Queue.declare_ok', '50,20' => 'Queue.bind', '50,21' => 'Queue.bind_ok', '50,30' => 'Queue.purge', '50,31' => 'Queue.purge_ok', '50,40' => 'Queue.delete', '50,41' => 'Queue.delete_ok', '50,50' => 'Queue.unbind', '50,51' => 'Queue.unbind_ok', '60,10' => 'Basic.qos', '60,11' => 'Basic.qos_ok', '60,20' => 'Basic.consume', '60,21' => 'Basic.consume_ok', '60,30' => 'Basic.cancel', '60,31' => 'Basic.cancel_ok', '60,40' => 'Basic.publish', '60,50' => 'Basic.return', '60,60' => 'Basic.deliver', '60,70' => 'Basic.get', '60,71' => 'Basic.get_ok', '60,72' => 'Basic.get_empty', '60,80' => 'Basic.ack', '60,90' => 'Basic.reject', '60,100' => 'Basic.recover_async', '60,110' => 'Basic.recover', '60,111' => 'Basic.recover_ok', '70,10' => 'File.qos', '70,11' => 'File.qos_ok', '70,20' => 'File.consume', '70,21' => 'File.consume_ok', '70,30' => 'File.cancel', '70,31' => 'File.cancel_ok', '70,40' => 'File.open', '70,41' => 'File.open_ok', '70,50' => 'File.stage', '70,60' => 'File.publish', '70,70' => 'File.return', '70,80' => 'File.deliver', '70,90' => 'File.ack', '70,100' => 'File.reject', '80,10' => 'Stream.qos', '80,11' => 'Stream.qos_ok', '80,20' => 'Stream.consume', '80,21' => 'Stream.consume_ok', '80,30' => 'Stream.cancel', '80,31' => 'Stream.cancel_ok', '80,40' => 'Stream.publish', '80,50' => 'Stream.return', '80,60' => 'Stream.deliver', '90,10' => 'Tx.select', '90,11' => 'Tx.select_ok', '90,20' => 'Tx.commit', '90,21' => 'Tx.commit_ok', '90,30' => 'Tx.rollback', '90,31' => 'Tx.rollback_ok', '100,10' => 'Dtx.select', '100,11' => 'Dtx.select_ok', '100,20' => 'Dtx.start', '100,21' => 'Dtx.start_ok', '110,10' => 'Tunnel.request', '120,10' => 'Test.integer', '120,11' => 'Test.integer_ok', '120,20' => 'Test.string', '120,21' => 'Test.string_ok', '120,30' => 'Test.table', '120,31' => 'Test.table_ok', '120,40' => 'Test.content', '120,41' => 'Test.content_ok', ); } protocol = 'tcp'; $this->host = $host; $this->port = $port; $this->connection_timeout = $connection_timeout; $this->read_timeout = $read_write_timeout; $this->write_timeout = $read_write_timeout; $this->context = $context; $this->keepalive = $keepalive; $this->heartbeat = $heartbeat; $this->initial_heartbeat = $heartbeat; $this->canDispatchPcntlSignal = $this->isPcntlSignalEnabled(); if (!is_resource($this->context) || get_resource_type($this->context) !== 'stream-context') { $this->context = stream_context_create(); } // tcp_nodelay was added in 7.1.0 if (PHP_VERSION_ID >= 70100) { stream_context_set_option($this->context, 'socket', 'tcp_nodelay', true); } $options = stream_context_get_options($this->context); if (!empty($options['ssl'])) { if (isset($ssl_protocol)) { $this->protocol = $ssl_protocol; } else { $this->protocol = 'ssl'; } } if (!defined('SOCKET_EAGAIN')) { define('SOCKET_EAGAIN', SOCKET_EWOULDBLOCK); } } /** * @inheritdoc */ public function connect() { $errstr = $errno = null; $remote = sprintf( '%s://%s:%s', $this->protocol, $this->host, $this->port ); $this->set_error_handler(); try { $this->sock = stream_socket_client( $remote, $errno, $errstr, $this->connection_timeout, STREAM_CLIENT_CONNECT, $this->context ); $this->cleanup_error_handler(); } catch (\ErrorException $e) { throw new AMQPIOException($e->getMessage()); } if (false === $this->sock) { throw new AMQPIOException( sprintf( 'Error Connecting to server(%s): %s ', $errno, $errstr ), $errno ); } if (false === stream_socket_get_name($this->sock, true)) { throw new AMQPIOException( sprintf( 'Connection refused: %s ', $remote ) ); } list($sec, $uSec) = MiscHelper::splitSecondsMicroseconds(max($this->read_timeout, $this->write_timeout)); if (!stream_set_timeout($this->sock, $sec, $uSec)) { throw new AMQPIOException('Timeout could not be set'); } // php cannot capture signals while streams are blocking if ($this->canDispatchPcntlSignal) { stream_set_blocking($this->sock, 0); stream_set_write_buffer($this->sock, 0); if (function_exists('stream_set_read_buffer')) { stream_set_read_buffer($this->sock, 0); } } else { stream_set_blocking($this->sock, true); } if ($this->keepalive) { $this->enable_keepalive(); } $this->heartbeat = $this->initial_heartbeat; } /** * @inheritdoc */ public function read($len) { $this->check_heartbeat(); list($timeout_sec, $timeout_uSec) = MiscHelper::splitSecondsMicroseconds($this->read_timeout); $read_start = microtime(true); $read = 0; $data = ''; while ($read < $len) { if (!is_resource($this->sock) || feof($this->sock)) { $this->close(); throw new AMQPConnectionClosedException('Broken pipe or closed connection'); } $this->set_error_handler(); try { $buffer = fread($this->sock, ($len - $read)); $this->cleanup_error_handler(); } catch (\ErrorException $e) { throw new AMQPDataReadException($e->getMessage(), $e->getCode(), $e); } if ($buffer === false) { throw new AMQPDataReadException('Error receiving data'); } if ($buffer === '') { $read_now = microtime(true); $t_read = $read_now - $read_start; if ($t_read > $this->read_timeout) { throw new AMQPTimeoutException('Too many read attempts detected in StreamIO'); } $this->select($timeout_sec, $timeout_uSec); continue; } $this->last_read = microtime(true); $read_start = $this->last_read; $read += mb_strlen($buffer, 'ASCII'); $data .= $buffer; } if (mb_strlen($data, 'ASCII') !== $len) { throw new AMQPDataReadException( sprintf( 'Error reading data. Received %s instead of expected %s bytes', mb_strlen($data, 'ASCII'), $len ) ); } $this->last_read = microtime(true); return $data; } /** * @inheritdoc */ public function write($data) { $written = 0; $len = mb_strlen($data, 'ASCII'); $write_start = microtime(true); while ($written < $len) { if (!is_resource($this->sock)) { throw new AMQPConnectionClosedException('Broken pipe or closed connection'); } $result = false; $this->set_error_handler(); // OpenSSL's C library function SSL_write() can balk on buffers > 8192 // bytes in length, so we're limiting the write size here. On both TLS // and plaintext connections, the write loop will continue until the // buffer has been fully written. // This behavior has been observed in OpenSSL dating back to at least // September 2002: // http://comments.gmane.org/gmane.comp.encryption.openssl.user/4361 try { $buffer = mb_substr($data, $written, self::BUFFER_SIZE, 'ASCII'); $result = fwrite($this->sock, $buffer); $this->cleanup_error_handler(); } catch (\ErrorException $e) { $code = $this->last_error['errno']; switch ($code) { case SOCKET_EPIPE: case SOCKET_ENETDOWN: case SOCKET_ENETUNREACH: case SOCKET_ENETRESET: case SOCKET_ECONNABORTED: case SOCKET_ECONNRESET: case SOCKET_ECONNREFUSED: case SOCKET_ETIMEDOUT: $this->close(); throw new AMQPConnectionClosedException(socket_strerror($code), $code, $e); default: throw new AMQPRuntimeException($e->getMessage(), $code, $e); } } if ($result === false) { throw new AMQPRuntimeException('Error sending data'); } if ($this->timed_out()) { throw AMQPTimeoutException::writeTimeout($this->write_timeout); } $now = microtime(true); if ($result > 0) { $this->last_write = $write_start = $now; $written += $result; } else { if (feof($this->sock)) { $this->close(); throw new AMQPConnectionClosedException('Broken pipe or closed connection'); } if (($now - $write_start) > $this->write_timeout) { throw AMQPTimeoutException::writeTimeout($this->write_timeout); } // check stream and prevent from high CPU usage $this->select_write(); } } } /** * @inheritdoc */ public function error_handler($errno, $errstr, $errfile, $errline, $errcontext = null) { $code = $this->extract_error_code($errstr); switch ($code) { // fwrite notice that the stream isn't ready - EAGAIN or EWOULDBLOCK case SOCKET_EAGAIN: case SOCKET_EWOULDBLOCK: // stream_select warning that it has been interrupted by a signal - EINTR case SOCKET_EINTR: return; } parent::error_handler($code > 0 ? $code : $errno, $errstr, $errfile, $errline, $errcontext); } public function close() { $this->disableHeartbeat(); if (is_resource($this->sock)) { fclose($this->sock); } $this->sock = null; $this->last_read = null; $this->last_write = null; } /** * @inheritdoc */ public function getSocket() { return $this->sock; } /** * @inheritdoc */ protected function do_select($sec, $usec) { $read = array($this->sock); $write = null; $except = null; return stream_select($read, $write, $except, $sec, $usec); } /** * @return int|bool */ protected function select_write() { $read = $except = null; $write = array($this->sock); return stream_select($read, $write, $except, 0, 100000); } /** * @return mixed */ protected function timed_out() { // get status of socket to determine whether or not it has timed out $info = stream_get_meta_data($this->sock); return $info['timed_out']; } /** * @throws \PhpAmqpLib\Exception\AMQPIOException */ protected function enable_keepalive() { if ($this->protocol === 'ssl') { throw new AMQPIOException('Can not enable keepalive: ssl connection does not support keepalive (#70939)'); } if ($this->protocol === 'tls') { throw new AMQPIOException('Can not enable keepalive: tls connection does not support keepalive (#70939)'); } if (!function_exists('socket_import_stream')) { throw new AMQPIOException('Can not enable keepalive: function socket_import_stream does not exist'); } if (!defined('SOL_SOCKET') || !defined('SO_KEEPALIVE')) { throw new AMQPIOException('Can not enable keepalive: SOL_SOCKET or SO_KEEPALIVE is not defined'); } $socket = socket_import_stream($this->sock); socket_set_option($socket, SOL_SOCKET, SO_KEEPALIVE, 1); } /** * @param string $message * @return int */ protected function extract_error_code($message) { if (0 === strpos($message, 'stream_select():')) { $pattern = '/\s+\[(\d+)\]:\s+/'; } else { $pattern = '/\s+errno=(\d+)\s+/'; } $matches = array(); $result = preg_match($pattern, $message, $matches); if ($result > 0) { return (int)$matches[1]; } return 0; } } check_heartbeat(); $this->set_error_handler(); try { $result = $this->do_select($sec, $usec); $this->cleanup_error_handler(); } catch (\ErrorException $e) { throw new AMQPIOWaitException($e->getMessage(), $e->getCode(), $e); } if ($this->canDispatchPcntlSignal) { pcntl_signal_dispatch(); } // no exception and false result - either timeout or signal was sent if ($result === false) { $result = 0; } return $result; } /** * @param int|null $sec * @param int|null $usec * @return int|bool */ abstract protected function do_select($sec, $usec); /** * Set ups the connection. * @return void * @throws \PhpAmqpLib\Exception\AMQPIOException * @throws \PhpAmqpLib\Exception\AMQPRuntimeException */ abstract public function connect(); /** * @return resource */ abstract public function getSocket(); /** * Heartbeat logic: check connection health here * @return void * @throws \PhpAmqpLib\Exception\AMQPRuntimeException */ public function check_heartbeat() { // ignore unless heartbeat interval is set if ($this->heartbeat !== 0 && $this->last_read && $this->last_write) { $t = microtime(true); $t_read = round($t - $this->last_read); $t_write = round($t - $this->last_write); // server has gone away if (($this->heartbeat * 2) < $t_read) { $this->close(); throw new AMQPHeartbeatMissedException('Missed server heartbeat'); } // time for client to send a heartbeat if (($this->heartbeat / 2) < $t_write) { $this->write_heartbeat(); } } } /** * @return $this */ public function disableHeartbeat() { $this->heartbeat = 0; return $this; } /** * @return $this */ public function reenableHeartbeat() { $this->heartbeat = $this->initial_heartbeat; return $this; } /** * Sends a heartbeat message */ protected function write_heartbeat() { $pkt = new AMQPWriter(); $pkt->write_octet(8); $pkt->write_short(0); $pkt->write_long(0); $pkt->write_octet(0xCE); $this->write($pkt->getvalue()); } /** * Begin tracking errors and set the error handler */ protected function set_error_handler() { $this->last_error = null; set_error_handler(array($this, 'error_handler')); } /** * throws an ErrorException if an error was handled * @throws \ErrorException */ protected function cleanup_error_handler() { restore_error_handler(); if ($this->last_error !== null) { throw new \ErrorException( $this->last_error['errstr'], 0, $this->last_error['errno'], $this->last_error['errfile'], $this->last_error['errline'] ); } } /** * Internal error handler to deal with stream and socket errors. * * @param int $errno * @param string $errstr * @param string $errfile * @param int $errline * @param array $errcontext * @return void */ public function error_handler($errno, $errstr, $errfile, $errline, $errcontext = null) { // throwing an exception in an error handler will halt execution // set the last error and continue $this->last_error = compact('errno', 'errstr', 'errfile', 'errline', 'errcontext'); } /** * @return bool */ protected function isPcntlSignalEnabled() { return extension_loaded('pcntl') && function_exists('pcntl_signal_dispatch') && (defined('AMQP_WITHOUT_SIGNALS') ? !AMQP_WITHOUT_SIGNALS : true); } } host = $host; $this->port = $port; $this->read_timeout = $read_timeout; $this->write_timeout = $write_timeout ?: $read_timeout; $this->heartbeat = $heartbeat; $this->initial_heartbeat = $heartbeat; $this->keepalive = $keepalive; $this->canDispatchPcntlSignal = $this->isPcntlSignalEnabled(); /* TODO FUTURE enable this check php-amqplib/php-amqplib#648, php-amqplib/php-amqplib#666 if ($this->heartbeat !== 0 && ($this->read_timeout <= ($this->heartbeat * 2))) { throw new \InvalidArgumentException('read_timeout must be greater than 2x the heartbeat'); } if ($this->heartbeat !== 0 && ($this->write_timeout <= ($this->heartbeat * 2))) { throw new \InvalidArgumentException('send_timeout must be greater than 2x the heartbeat'); } */ } /** * @inheritdoc */ public function connect() { $this->sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); list($sec, $uSec) = MiscHelper::splitSecondsMicroseconds($this->write_timeout); socket_set_option($this->sock, SOL_SOCKET, SO_SNDTIMEO, array('sec' => $sec, 'usec' => $uSec)); list($sec, $uSec) = MiscHelper::splitSecondsMicroseconds($this->read_timeout); socket_set_option($this->sock, SOL_SOCKET, SO_RCVTIMEO, array('sec' => $sec, 'usec' => $uSec)); $this->set_error_handler(); try { $connected = socket_connect($this->sock, $this->host, $this->port); $this->cleanup_error_handler(); } catch (\ErrorException $e) { $connected = false; } if (!$connected) { $errno = socket_last_error($this->sock); $errstr = socket_strerror($errno); throw new AMQPIOException(sprintf( 'Error Connecting to server (%s): %s', $errno, $errstr ), $errno); } socket_set_block($this->sock); socket_set_option($this->sock, SOL_TCP, TCP_NODELAY, 1); if ($this->keepalive) { $this->enable_keepalive(); } $this->heartbeat = $this->initial_heartbeat; } /** * @inheritdoc */ public function getSocket() { return $this->sock; } /** * @inheritdoc */ public function read($len) { if (is_null($this->sock)) { throw new AMQPSocketException(sprintf( 'Socket was null! Last SocketError was: %s', socket_strerror(socket_last_error()) )); } $this->check_heartbeat(); list($timeout_sec, $timeout_uSec) = MiscHelper::splitSecondsMicroseconds($this->read_timeout); $read_start = microtime(true); $read = 0; $data = ''; while ($read < $len) { $buffer = null; $result = socket_recv($this->sock, $buffer, $len - $read, 0); if ($result === 0) { // From linux recv() manual: // When a stream socket peer has performed an orderly shutdown, // the return value will be 0 (the traditional "end-of-file" return). // http://php.net/manual/en/function.socket-recv.php#47182 $this->close(); throw new AMQPConnectionClosedException('Broken pipe or closed connection'); } if (empty($buffer)) { $read_now = microtime(true); $t_read = $read_now - $read_start; if ($t_read > $this->read_timeout) { throw new AMQPTimeoutException('Too many read attempts detected in SocketIO'); } $this->select($timeout_sec, $timeout_uSec); continue; } $read += mb_strlen($buffer, 'ASCII'); $data .= $buffer; } if (mb_strlen($data, 'ASCII') != $len) { throw new AMQPIOException(sprintf( 'Error reading data. Received %s instead of expected %s bytes', mb_strlen($data, 'ASCII'), $len )); } $this->last_read = microtime(true); return $data; } /** * @inheritdoc */ public function write($data) { $written = 0; $len = mb_strlen($data, 'ASCII'); $write_start = microtime(true); while ($written < $len) { // Null sockets are invalid, throw exception if (is_null($this->sock)) { throw new AMQPSocketException(sprintf( 'Socket was null! Last SocketError was: %s', socket_strerror(socket_last_error()) )); } $this->set_error_handler(); try { $buffer = mb_substr($data, $written, self::BUFFER_SIZE, 'ASCII'); $result = socket_write($this->sock, $buffer, self::BUFFER_SIZE); $this->cleanup_error_handler(); } catch (\ErrorException $e) { $code = socket_last_error($this->sock); switch ($code) { case SOCKET_EPIPE: case SOCKET_ENETDOWN: case SOCKET_ENETUNREACH: case SOCKET_ENETRESET: case SOCKET_ECONNABORTED: case SOCKET_ECONNRESET: case SOCKET_ECONNREFUSED: case SOCKET_ETIMEDOUT: $this->close(); throw new AMQPConnectionClosedException(socket_strerror($code), $code, $e); default: throw new AMQPIOException(sprintf( 'Error sending data. Last SocketError: %s', socket_strerror($code) ), $code, $e); } } if ($result === false) { throw new AMQPIOException(sprintf( 'Error sending data. Last SocketError: %s', socket_strerror(socket_last_error($this->sock)) )); } $now = microtime(true); if ($result > 0) { $this->last_write = $write_start = $now; $written += $result; } else { if (($now - $write_start) > $this->write_timeout) { throw AMQPTimeoutException::writeTimeout($this->write_timeout); } $this->select_write(); } } } /** * @inheritdoc */ public function close() { $this->disableHeartbeat(); if (is_resource($this->sock)) { socket_close($this->sock); } $this->sock = null; $this->last_read = null; $this->last_write = null; } /** * @inheritdoc */ protected function do_select($sec, $usec) { $read = array($this->sock); $write = null; $except = null; return socket_select($read, $write, $except, $sec, $usec); } /** * @return int|bool */ protected function select_write() { $read = $except = null; $write = array($this->sock); return socket_select($read, $write, $except, 0, 100000); } /** * @throws \PhpAmqpLib\Exception\AMQPIOException */ protected function enable_keepalive() { if (!defined('SOL_SOCKET') || !defined('SO_KEEPALIVE')) { throw new AMQPIOException('Can not enable keepalive: SOL_SOCKET or SO_KEEPALIVE is not defined'); } socket_set_option($this->sock, SOL_SOCKET, SO_KEEPALIVE, 1); } /** * @inheritdoc */ public function error_handler($errno, $errstr, $errfile, $errline, $errcontext = null) { // socket_select warning that it has been interrupted by a signal - EINTR if (false !== strrpos($errstr, socket_strerror(SOCKET_EINTR))) { // it's allowed while processing signals return; } parent::error_handler($errno, $errstr, $errfile, $errline, $errcontext); } /** * @inheritdoc */ protected function set_error_handler() { parent::set_error_handler(); socket_clear_error($this->sock); } } 'FRAME-METHOD', 2 => 'FRAME-HEADER', 3 => 'FRAME-BODY', 8 => 'FRAME-HEARTBEAT', 4096 => 'FRAME-MIN-SIZE', 206 => 'FRAME-END', 501 => 'FRAME-ERROR', ); /** * @var array */ public static $CONTENT_METHODS = array( 0 => '60,40', 1 => '60,50', 2 => '60,60', 3 => '60,71', ); /** * @var array */ public static $CLOSE_METHODS = array( 0 => '10,50', 1 => '20,40', ); /** * @var array */ public static $GLOBAL_METHOD_NAMES = array( '10,10' => 'Connection.start', '10,11' => 'Connection.start_ok', '10,20' => 'Connection.secure', '10,21' => 'Connection.secure_ok', '10,30' => 'Connection.tune', '10,31' => 'Connection.tune_ok', '10,40' => 'Connection.open', '10,41' => 'Connection.open_ok', '10,50' => 'Connection.close', '10,51' => 'Connection.close_ok', '10,60' => 'Connection.blocked', '10,61' => 'Connection.unblocked', '20,10' => 'Channel.open', '20,11' => 'Channel.open_ok', '20,20' => 'Channel.flow', '20,21' => 'Channel.flow_ok', '20,40' => 'Channel.close', '20,41' => 'Channel.close_ok', '30,10' => 'Access.request', '30,11' => 'Access.request_ok', '40,10' => 'Exchange.declare', '40,11' => 'Exchange.declare_ok', '40,20' => 'Exchange.delete', '40,21' => 'Exchange.delete_ok', '40,30' => 'Exchange.bind', '40,31' => 'Exchange.bind_ok', '40,40' => 'Exchange.unbind', '40,51' => 'Exchange.unbind_ok', '50,10' => 'Queue.declare', '50,11' => 'Queue.declare_ok', '50,20' => 'Queue.bind', '50,21' => 'Queue.bind_ok', '50,30' => 'Queue.purge', '50,31' => 'Queue.purge_ok', '50,40' => 'Queue.delete', '50,41' => 'Queue.delete_ok', '50,50' => 'Queue.unbind', '50,51' => 'Queue.unbind_ok', '60,10' => 'Basic.qos', '60,11' => 'Basic.qos_ok', '60,20' => 'Basic.consume', '60,21' => 'Basic.consume_ok', '60,30' => 'Basic.cancel', '60,31' => 'Basic.cancel_ok', '60,40' => 'Basic.publish', '60,50' => 'Basic.return', '60,60' => 'Basic.deliver', '60,70' => 'Basic.get', '60,71' => 'Basic.get_ok', '60,72' => 'Basic.get_empty', '60,80' => 'Basic.ack', '60,90' => 'Basic.reject', '60,100' => 'Basic.recover_async', '60,110' => 'Basic.recover', '60,111' => 'Basic.recover_ok', '60,120' => 'Basic.nack', '90,10' => 'Tx.select', '90,11' => 'Tx.select_ok', '90,20' => 'Tx.commit', '90,21' => 'Tx.commit_ok', '90,30' => 'Tx.rollback', '90,31' => 'Tx.rollback_ok', '85,10' => 'Confirm.select', '85,11' => 'Confirm.select_ok', ); } 'I', self::T_DECIMAL => 'D', self::T_TIMESTAMP => 'T', self::T_STRING_LONG => 'S', self::T_TABLE => 'F' ); /** * @var array */ private static $_types_091 = array( self::T_INT_SHORTSHORT => 'b', self::T_INT_SHORTSHORT_U => 'B', self::T_INT_SHORT => 'U', self::T_INT_SHORT_U => 'u', self::T_INT_LONG => 'I', self::T_INT_LONG_U => 'i', self::T_INT_LONGLONG => 'L', self::T_INT_LONGLONG_U => 'l', self::T_DECIMAL => 'D', self::T_TIMESTAMP => 'T', self::T_VOID => 'V', self::T_BOOL => 't', self::T_STRING_SHORT => 's', self::T_STRING_LONG => 'S', self::T_ARRAY => 'A', self::T_TABLE => 'F', self::T_BYTES => 'x', ); /** * @var array */ private static $_types_rabbit = array( self::T_INT_SHORTSHORT => 'b', self::T_INT_SHORT => 's', self::T_INT_LONG => 'I', self::T_INT_LONGLONG => 'l', self::T_DECIMAL => 'D', self::T_TIMESTAMP => 'T', self::T_VOID => 'V', self::T_BOOL => 't', self::T_STRING_LONG => 'S', self::T_ARRAY => 'A', self::T_TABLE => 'F', self::T_BYTES => 'x', ); /** * @var array */ protected $data = array(); public function __construct(array $data = null) { if (!empty($data)) { $this->data = $this->encodeCollection($data); } } /** * @return int */ abstract public function getType(); /** * @param mixed $val * @param int $type * @param string $key */ final protected function setValue($val, $type = null, $key = null) { if ($val instanceof self) { if ($type && ($type != $val->getType())) { throw new Exception\AMQPInvalidArgumentException( 'Attempted to add instance of ' . get_class($val) . ' representing type [' . $val->getType() . '] as mismatching type [' . $type . ']' ); } $type = $val->getType(); } elseif ($type) { //ensuring data integrity and that all members are properly validated switch ($type) { case self::T_ARRAY: throw new Exception\AMQPInvalidArgumentException('Arrays must be passed as AMQPArray instance'); break; case self::T_TABLE: throw new Exception\AMQPInvalidArgumentException('Tables must be passed as AMQPTable instance'); break; case self::T_DECIMAL: if (!($val instanceof AMQPDecimal)) { throw new Exception\AMQPInvalidArgumentException('Decimal values must be instance of AMQPDecimal'); } break; } } if ($type) { self::checkDataTypeIsSupported($type, false); $val = array($type, $val); } else { $val = $this->encodeValue($val); } if ($key === null) { $this->data[] = $val; } else { $this->data[$key] = $val; } } /** * @return array */ final public function getNativeData() { return $this->decodeCollection($this->data); } /** * @param array $val * @return array */ final protected function encodeCollection(array $val) { foreach ($val as $k=>$v) { $val[$k] = $this->encodeValue($v); } return $val; } /** * @param array $val * @return array */ final protected function decodeCollection(array $val) { foreach ($val as $k=>$v) { $val[$k] = $this->decodeValue($v[1], $v[0]); } return $val; } /** * @param mixed $val * @return mixed * @throws Exception\AMQPOutOfBoundsException */ protected function encodeValue($val) { if (is_string($val)) { $val = $this->encodeString($val); } elseif (is_float($val)) { $val = $this->encodeFloat($val); } elseif (is_int($val)) { $val = $this->encodeInt($val); } elseif (is_bool($val)) { $val = $this->encodeBool($val); } elseif (is_null($val)) { $val = $this->encodeVoid(); } elseif ($val instanceof \DateTimeInterface) { $val = array(self::T_TIMESTAMP, $val->getTimestamp()); } elseif ($val instanceof \DateTime) { // PHP <= 5.4 has no DateTimeInterface $val = array(self::T_TIMESTAMP, $val->getTimestamp()); } elseif ($val instanceof AMQPDecimal) { $val = array(self::T_DECIMAL, $val); } elseif ($val instanceof self) { //avoid silent type correction of strictly typed values self::checkDataTypeIsSupported($val->getType(), false); $val = array($val->getType(), $val); } elseif (is_array($val)) { //AMQP specs says "Field names MUST start with a letter, '$' or '#'" //so beware, some servers may raise an exception with 503 code in cases when indexed array is encoded as table if (self::isProtocol(self::PROTOCOL_080)) { //080 doesn't support arrays, forcing table $val = array(self::T_TABLE, new AMQPTable($val)); } elseif (empty($val) || (array_keys($val) === range(0, count($val) - 1))) { $val = array(self::T_ARRAY, new AMQPArray($val)); } else { $val = array(self::T_TABLE, new AMQPTable($val)); } } else { throw new Exception\AMQPOutOfBoundsException(sprintf('Encountered value of unsupported type: %s', gettype($val))); } return $val; } /** * @param mixed $val * @param int $type * @return array|bool|\DateTime|null */ protected function decodeValue($val, $type) { if ($val instanceof self) { //covering arrays and tables $val = $val->getNativeData(); } else { switch ($type) { case self::T_BOOL: $val = (bool) $val; break; case self::T_TIMESTAMP: $val = \DateTime::createFromFormat('U', $val); break; case self::T_VOID: $val = null; break; case self::T_ARRAY: case self::T_TABLE: throw new Exception\AMQPLogicException( 'Encountered an array/table struct which is not an instance of AMQPCollection. ' . 'This is considered a bug and should be fixed, please report' ); } } return $val; } /** * @param string $val * @return array */ protected function encodeString($val) { return array(self::T_STRING_LONG, $val); } /** * @param int $val * @return array */ protected function encodeInt($val) { if (($val >= -2147483648) && ($val <= 2147483647)) { $ev = array(self::T_INT_LONG, $val); } elseif (self::isProtocol(self::PROTOCOL_080)) { //080 doesn't support longlong $ev = $this->encodeString((string) $val); } else { $ev = array(self::T_INT_LONGLONG, $val); } return $ev; } /** * @param float $val * @return array */ protected function encodeFloat($val) { return static::encodeString((string) $val); } /** * @param bool $val * @return array */ protected function encodeBool($val) { $val = (bool) $val; return self::isProtocol(self::PROTOCOL_080) ? array(self::T_INT_LONG, (int) $val) : array(self::T_BOOL, $val); } /** * @return array */ protected function encodeVoid() { return self::isProtocol(self::PROTOCOL_080) ? $this->encodeString('') : array(self::T_VOID, null); } /** * @return string */ final public static function getProtocol() { if (self::$_protocol === null) { self::$_protocol = defined('AMQP_STRICT_FLD_TYPES') && AMQP_STRICT_FLD_TYPES ? AbstractChannel::getProtocolVersion() : self::PROTOCOL_RBT; } return self::$_protocol; } /** * @param string $proto * @return bool */ final public static function isProtocol($proto) { return self::getProtocol() == $proto; } /** * @return array [dataTypeConstant => dataTypeSymbol] */ final public static function getSupportedDataTypes() { switch ($proto = self::getProtocol()) { case self::PROTOCOL_080: $types = self::$_types_080; break; case self::PROTOCOL_091: $types = self::$_types_091; break; case self::PROTOCOL_RBT: $types = self::$_types_rabbit; break; default: throw new Exception\AMQPOutOfRangeException(sprintf('Unknown protocol: %s', $proto)); } return $types; } /** * @param string $type * @param bool $return Whether to return or raise AMQPOutOfRangeException * @return boolean */ final public static function checkDataTypeIsSupported($type, $return = true) { try { $supported = self::getSupportedDataTypes(); if (!isset($supported[$type])) { throw new Exception\AMQPOutOfRangeException(sprintf('AMQP-%s doesn\'t support data of type [%s]', self::getProtocol(), $type)); } return true; } catch (Exception\AMQPOutOfRangeException $ex) { if (!$return) { throw $ex; } return false; } } /** * @param int $type * @return string */ final public static function getSymbolForDataType($type) { $types = self::getSupportedDataTypes(); if (!isset($types[$type])) { throw new Exception\AMQPOutOfRangeException(sprintf('AMQP-%s doesn\'t support data of type [%s]', self::getProtocol(), $type)); } return $types[$type]; } /** * @param string $symbol * @return integer */ final public static function getDataTypeForSymbol($symbol) { $symbols = array_flip(self::getSupportedDataTypes()); if (!isset($symbols[$symbol])) { throw new Exception\AMQPOutOfRangeException(sprintf('AMQP-%s doesn\'t define data of type [%s]', self::getProtocol(), $symbol)); } return $symbols[$symbol]; } public function current() { return current($this->data); } public function key() { return key($this->data); } public function next() { next($this->data); } public function rewind() { reset($this->data); } public function valid() { return key($this->data) !== null; } } out = ''; $this->bits = array(); $this->bitcount = 0; } /** * Packs integer into raw byte string in big-endian order * Supports positive and negative ints represented as PHP int or string (except scientific notation) * * Floats has some precision issues and so intentionally not supported. * Beware that floats out of PHP_INT_MAX range will be represented in scientific (exponential) notation when casted to string * * @param int|string $x Value to pack * @param int $bytes Must be multiply of 2 * @return string */ private static function packBigEndian($x, $bytes) { if (($bytes <= 0) || ($bytes % 2)) { throw new AMQPInvalidArgumentException(sprintf('Expected bytes count must be multiply of 2, %s given', $bytes)); } $ox = $x; //purely for dbg purposes (overflow exception) $isNeg = false; if (is_int($x)) { if ($x < 0) { $isNeg = true; $x = abs($x); } } elseif (is_string($x)) { if (!is_numeric($x)) { throw new AMQPInvalidArgumentException(sprintf('Unknown numeric string format: %s', $x)); } $x = preg_replace('/^-/', '', $x, 1, $isNeg); } else { throw new AMQPInvalidArgumentException('Only integer and numeric string values are supported'); } if ($isNeg) { $x = bcadd($x, -1, 0); } //in negative domain starting point is -1, not 0 $res = array(); for ($b = 0; $b < $bytes; $b += 2) { $chnk = (int) bcmod($x, 65536); $x = bcdiv($x, 65536, 0); $res[] = pack('n', $isNeg ? ~$chnk : $chnk); } if ($x || ($isNeg && ($chnk & 0x8000))) { throw new AMQPOutOfBoundsException(sprintf('Overflow detected while attempting to pack %s into %s bytes', $ox, $bytes)); } return implode(array_reverse($res)); } private function flushbits() { if (!empty($this->bits)) { $this->out .= implode('', array_map('chr', $this->bits)); $this->bits = array(); $this->bitcount = 0; } } /** * Get what's been encoded so far. * * @return string */ public function getvalue() { /* temporarily needed for compatibility with write_bit unit tests */ if ($this->bitcount) { $this->flushbits(); } return $this->out; } /** * Write a plain PHP string, with no special encoding. * * @param string $s * * @return $this */ public function write($s) { $this->out .= $s; return $this; } /** * Write a boolean value. * (deprecated, use write_bits instead) * * @deprecated * @param bool $b * @return $this */ public function write_bit($b) { $b = $b ? 1 : 0; $shift = $this->bitcount % 8; $last = $shift === 0 ? 0 : array_pop($this->bits); $last |= ($b << $shift); array_push($this->bits, $last); $this->bitcount += 1; return $this; } /** * Write multiple bits as an octet * * @param bool[] $bits * @return $this */ public function write_bits($bits) { $value = 0; foreach ($bits as $n => $bit) { $bit = $bit ? 1 : 0; $value |= ($bit << $n); } $this->out .= chr($value); return $this; } /** * Write an integer as an unsigned 8-bit value * * @param int $n * @return $this * @throws \PhpAmqpLib\Exception\AMQPInvalidArgumentException */ public function write_octet($n) { if ($n < 0 || $n > 255) { throw new AMQPInvalidArgumentException('Octet out of range: ' . $n); } $this->out .= chr($n); return $this; } /** * @param int $n * @return $this */ public function write_signed_octet($n) { if (($n < -128) || ($n > 127)) { throw new AMQPInvalidArgumentException('Signed octet out of range: ' . $n); } $this->out .= pack('c', $n); return $this; } /** * Write an integer as an unsigned 16-bit value * * @param int $n * @return $this * @throws \PhpAmqpLib\Exception\AMQPInvalidArgumentException */ public function write_short($n) { if ($n < 0 || $n > 65535) { throw new AMQPInvalidArgumentException('Short out of range: ' . $n); } $this->out .= pack('n', $n); return $this; } /** * @param int $n * @return $this */ public function write_signed_short($n) { if (($n < -32768) || ($n > 32767)) { throw new AMQPInvalidArgumentException('Signed short out of range: ' . $n); } $this->out .= $this->correctEndianness(pack('s', $n)); return $this; } /** * Write an integer as an unsigned 32-bit value * * @param int $n * @return $this */ public function write_long($n) { if (($n < 0) || ($n > 4294967295)) { throw new AMQPInvalidArgumentException('Long out of range: ' . $n); } //Numeric strings >PHP_INT_MAX on 32bit are casted to PHP_INT_MAX, damn PHP if (empty($this->is64bits) && is_string($n)) { $n = (float) $n; } $this->out .= pack('N', $n); return $this; } /** * @param int $n * @return $this */ private function write_signed_long($n) { if (($n < -2147483648) || ($n > 2147483647)) { throw new AMQPInvalidArgumentException('Signed long out of range: ' . $n); } //on my 64bit debian this approach is slightly faster than splitIntoQuads() $this->out .= $this->correctEndianness(pack('l', $n)); return $this; } /** * Write an integer as an unsigned 64-bit value * * @param int $n * @return $this */ public function write_longlong($n) { if ($n < 0) { throw new AMQPInvalidArgumentException('Longlong out of range: ' . $n); } // if PHP_INT_MAX is big enough for that // direct $n<=PHP_INT_MAX check is unreliable on 64bit (values close to max) due to limited float precision if (bcadd($n, -PHP_INT_MAX, 0) <= 0) { // trick explained in http://www.php.net/manual/fr/function.pack.php#109328 if ($this->is64bits) { list($hi, $lo) = $this->splitIntoQuads($n); } else { $hi = 0; $lo = $n; } //on 32bits hi quad is 0 a priori $this->out .= pack('NN', $hi, $lo); } else { try { $this->out .= self::packBigEndian($n, 8); } catch (AMQPOutOfBoundsException $ex) { throw new AMQPInvalidArgumentException('Longlong out of range: ' . $n, 0, $ex); } } return $this; } /** * @param int $n * @return $this */ public function write_signed_longlong($n) { if ((bcadd($n, PHP_INT_MAX, 0) >= -1) && (bcadd($n, -PHP_INT_MAX, 0) <= 0)) { if ($this->is64bits) { list($hi, $lo) = $this->splitIntoQuads($n); } else { $hi = $n < 0 ? -1 : 0; $lo = $n; } //0xffffffff for negatives $this->out .= pack('NN', $hi, $lo); } elseif ($this->is64bits) { throw new AMQPInvalidArgumentException('Signed longlong out of range: ' . $n); } else { if (bcadd($n, '-9223372036854775807', 0) > 0) { throw new AMQPInvalidArgumentException('Signed longlong out of range: ' . $n); } try { //will catch only negative overflow, as values >9223372036854775807 are valid for 8bytes range (unsigned) $this->out .= self::packBigEndian($n, 8); } catch (AMQPOutOfBoundsException $ex) { throw new AMQPInvalidArgumentException('Signed longlong out of range: ' . $n, 0, $ex); } } return $this; } /** * @param int|string $n * @return integer[] */ private function splitIntoQuads($n) { $n = (int) $n; return array($n >> 32, $n & 0x00000000ffffffff); } /** * Write a string up to 255 bytes long after encoding. * Assume UTF-8 encoding * * @param string $s * @return $this * @throws \PhpAmqpLib\Exception\AMQPInvalidArgumentException */ public function write_shortstr($s) { $len = mb_strlen($s, 'ASCII'); if ($len > 255) { throw new AMQPInvalidArgumentException('String too long'); } $this->write_octet($len); $this->out .= $s; return $this; } /** * Write a string up to 2**32 bytes long. Assume UTF-8 encoding * * @param string $s * @return $this */ public function write_longstr($s) { $this->write_long(mb_strlen($s, 'ASCII')); $this->out .= $s; return $this; } /** * Supports the writing of Array types, so that you can implement * array methods, like Rabbitmq's HA parameters * * @param AMQPArray|array $a Instance of AMQPArray or PHP array WITHOUT format hints (unlike write_table()) * @return self */ public function write_array($a) { if (!($a instanceof AMQPArray)) { $a = new AMQPArray($a); } $data = new self(); foreach ($a as $v) { $data->write_value($v[0], $v[1]); } $data = $data->getvalue(); $this->write_long(mb_strlen($data, 'ASCII')); $this->write($data); return $this; } /** * Write unix time_t value as 64 bit timestamp * * @param int $v * @return $this */ public function write_timestamp($v) { $this->write_longlong($v); return $this; } /** * Write PHP array, as table. Input array format: keys are strings, * values are (type,value) tuples. * * @param AMQPTable|array $d Instance of AMQPTable or PHP array WITH format hints (unlike write_array()) * @return $this * @throws \PhpAmqpLib\Exception\AMQPInvalidArgumentException */ public function write_table($d) { $typeIsSym = !($d instanceof AMQPTable); //purely for back-compat purposes $table_data = new AMQPWriter(); foreach ($d as $k => $va) { list($ftype, $v) = $va; $table_data->write_shortstr($k); $table_data->write_value($typeIsSym ? AMQPAbstractCollection::getDataTypeForSymbol($ftype) : $ftype, $v); } $table_data = $table_data->getvalue(); $this->write_long(mb_strlen($table_data, 'ASCII')); $this->write($table_data); return $this; } /** * for compat with method mapping used by AMQPMessage * * @param AMQPTable|array * @return $this */ public function write_table_object($d) { return $this->write_table($d); } /** * @param int $type One of AMQPAbstractCollection::T_* constants * @param mixed $val */ private function write_value($type, $val) { //This will find appropriate symbol for given data type for currently selected protocol //Also will raise an exception on unknown type $this->write(AMQPAbstractCollection::getSymbolForDataType($type)); switch ($type) { case AMQPAbstractCollection::T_INT_SHORTSHORT: $this->write_signed_octet($val); break; case AMQPAbstractCollection::T_INT_SHORTSHORT_U: $this->write_octet($val); break; case AMQPAbstractCollection::T_INT_SHORT: $this->write_signed_short($val); break; case AMQPAbstractCollection::T_INT_SHORT_U: $this->write_short($val); break; case AMQPAbstractCollection::T_INT_LONG: $this->write_signed_long($val); break; case AMQPAbstractCollection::T_INT_LONG_U: $this->write_long($val); break; case AMQPAbstractCollection::T_INT_LONGLONG: $this->write_signed_longlong($val); break; case AMQPAbstractCollection::T_INT_LONGLONG_U: $this->write_longlong($val); break; case AMQPAbstractCollection::T_DECIMAL: $this->write_octet($val->getE()); $this->write_signed_long($val->getN()); break; case AMQPAbstractCollection::T_TIMESTAMP: $this->write_timestamp($val); break; case AMQPAbstractCollection::T_BOOL: $this->write_octet($val ? 1 : 0); break; case AMQPAbstractCollection::T_STRING_SHORT: $this->write_shortstr($val); break; case AMQPAbstractCollection::T_STRING_LONG: $this->write_longstr($val); break; case AMQPAbstractCollection::T_ARRAY: $this->write_array($val); break; case AMQPAbstractCollection::T_TABLE: $this->write_table($val); break; case AMQPAbstractCollection::T_VOID: break; case AMQPAbstractCollection::T_BYTES: $this->write_longstr($val); break; default: throw new AMQPInvalidArgumentException(sprintf( 'Unsupported type "%s"', $type )); } } } 'shortstr' ); /** * @param array $properties Message property content * @param array $propertyTypes Message property definitions */ public function __construct($properties, $propertyTypes = null) { $this->prop_types = !empty($propertyTypes) ? $propertyTypes : self::$propertyDefinitions; if (!empty($properties)) { $this->properties = array_intersect_key($properties, $this->prop_types); } } /** * Check whether a property exists in the 'properties' dictionary * or if present - in the 'delivery_info' dictionary. * * @param string $name * @return bool */ public function has($name) { return isset($this->properties[$name]) || isset($this->delivery_info[$name]); } /** * Look for additional properties in the 'properties' dictionary, * and if present - the 'delivery_info' dictionary. * * @param string $name * @throws \OutOfBoundsException * @return mixed|AMQPChannel */ public function get($name) { if (isset($this->properties[$name])) { return $this->properties[$name]; } if (isset($this->delivery_info[$name])) { return $this->delivery_info[$name]; } throw new \OutOfBoundsException(sprintf( 'No "%s" property', $name )); } /** * Returns the properties content * * @return array */ public function get_properties() { return $this->properties; } /** * Sets a property value * * @param string $name The property name (one of the property definition) * @param mixed $value The property value * @throws \OutOfBoundsException */ public function set($name, $value) { if (!array_key_exists($name, $this->prop_types)) { throw new \OutOfBoundsException(sprintf( 'No "%s" property', $name )); } if (isset($this->properties[$name]) && $this->properties[$name] !== $value || !isset($this->properties[$name])) { $this->serialized_properties = null; } $this->properties[$name] = $value; } /** * Given the raw bytes containing the property-flags and * property-list from a content-frame-header, parse and insert * into a dictionary stored in this object as an attribute named * 'properties'. * * @param AMQPReader $reader * NOTE: do not mutate $reader * @return $this */ public function load_properties(AMQPReader $reader) { // Read 16-bit shorts until we get one with a low bit set to zero $flags = array(); while (true) { $flag_bits = $reader->read_short(); $flags[] = $flag_bits; if (($flag_bits & 1) === 0) { break; } } $shift = 0; $data = array(); foreach ($this->prop_types as $key => $proptype) { if ($shift === 0) { if (!$flags) { break; } $flag_bits = array_shift($flags); $shift = 15; } if ($flag_bits & (1 << $shift)) { $data[$key] = $reader->{'read_' . $proptype}(); } $shift -= 1; } $this->properties = $data; return $this; } /** * Serializes the 'properties' attribute (a dictionary) into the * raw bytes making up a set of property flags and a property * list, suitable for putting into a content frame header. * * @return string * @todo Inject the AMQPWriter to make the method easier to test */ public function serialize_properties() { if (!empty($this->serialized_properties)) { return $this->serialized_properties; } $shift = 15; $flag_bits = 0; $flags = array(); $raw_bytes = new AMQPWriter(); foreach ($this->prop_types as $key => $prototype) { $val = isset($this->properties[$key]) ? $this->properties[$key] : null; // Very important: PHP type eval is weak, use the === to test the // value content. Zero or false value should not be removed if ($val === null) { $shift -= 1; continue; } if ($shift === 0) { $flags[] = $flag_bits; $flag_bits = 0; $shift = 15; } $flag_bits |= (1 << $shift); if ($prototype != 'bit') { $raw_bytes->{'write_' . $prototype}($val); } $shift -= 1; } $flags[] = $flag_bits; $result = new AMQPWriter(); foreach ($flags as $flag_bits) { $result->write_short($flag_bits); } $result->write($raw_bytes->getvalue()); $this->serialized_properties = $result->getvalue(); return $this->serialized_properties; } } setValue($val, $type); return $this; } } $read_timeout) { throw new \InvalidArgumentException('channel RPC timeout must not be greater than I/O read timeout'); } $io = new SocketIO($host, $port, $read_timeout, $keepalive, $write_timeout, $heartbeat); parent::__construct( $user, $password, $vhost, $insist, $login_method, $login_response, $locale, $io, $heartbeat, max($read_timeout, $write_timeout), $channel_rpc_timeout ); } protected static function try_create_connection($host, $port, $user, $password, $vhost, $options){ $insist = isset($options['insist']) ? $options['insist'] : false; $login_method = isset($options['login_method']) ? $options['login_method'] :'AMQPLAIN'; $login_response = isset($options['login_response']) ? $options['login_response'] : null; $locale = isset($options['locale']) ? $options['locale'] : 'en_US'; $read_timeout = isset($options['read_timeout']) ? $options['read_timeout'] : 130; $keepalive = isset($options['keepalive']) ? $options['keepalive'] : false; $write_timeout = isset($options['write_timeout']) ? $options['write_timeout'] : 130; $heartbeat = isset($options['heartbeat']) ? $options['heartbeat'] : 60; return new static($host, $port, $user, $password, $vhost, $insist, $login_method, $login_response, $locale, $read_timeout, $keepalive, $write_timeout, $heartbeat); } } create_ssl_context($ssl_options); parent::__construct( $host, $port, $user, $password, $vhost, isset($options['insist']) ? $options['insist'] : false, isset($options['login_method']) ? $options['login_method'] : 'AMQPLAIN', isset($options['login_response']) ? $options['login_response'] : null, isset($options['locale']) ? $options['locale'] : 'en_US', isset($options['connection_timeout']) ? $options['connection_timeout'] : 3, isset($options['read_write_timeout']) ? $options['read_write_timeout'] : 130, $ssl_context, isset($options['keepalive']) ? $options['keepalive'] : false, isset($options['heartbeat']) ? $options['heartbeat'] : 60, isset($options['channel_rpc_timeout']) ? $options['channel_rpc_timeout'] : 0.0, $ssl_protocol ); } public static function try_create_connection($host, $port, $user, $password, $vhost, $options) { $ssl_options = isset($options['ssl_options']) ? $options['ssl_options'] : []; return new static($host, $port, $user, $password, $vhost, $ssl_options, $options); } /** * @param array $options * @return resource */ private function create_ssl_context($options) { $ssl_context = stream_context_create(); foreach ($options as $k => $v) { stream_context_set_option($ssl_context, 'ssl', $k, $v); } return $ssl_context; } } connect(); return parent::getSocket(); } /** * {@inheritdoc} */ public function channel($channel_id = null) { $this->connect(); return parent::channel($channel_id); } /** * @return null|\PhpAmqpLib\Wire\IO\AbstractIO */ public function getIO() { if (empty($this->io)) { $this->connect(); } return $this->io; } /** * Should the connection be attempted during construction? * * @return bool */ public function connectOnConstruct() { return false; } } connect(); return parent::getSocket(); } /** * {@inheritdoc} */ public function channel($channel_id = null) { $this->connect(); return parent::channel($channel_id); } /** * @return null|\PhpAmqpLib\Wire\IO\AbstractIO */ public function getIO() { if (empty($this->io)) { $this->connect(); } return $this->io; } /** * Should the connection be attempted during construction? * * @return bool */ public function connectOnConstruct() { return false; } } array('S', 'AMQPLib'), 'platform' => array('S', 'PHP'), 'version' => array('S', '2.9'), 'information' => array('S', ''), 'copyright' => array('S', ''), 'capabilities' => array( 'F', array( 'authentication_failure_close' => array('t', true), 'publisher_confirms' => array('t', true), 'consumer_cancel_notify' => array('t', true), 'exchange_exchange_bindings' => array('t', true), 'basic.nack' => array('t', true), 'connection.blocked' => array('t', true) ) ) ); /** * @var AMQPChannel[] * @internal */ public $channels = array(); /** @var int */ protected $version_major; /** @var int */ protected $version_minor; /** @var array */ protected $server_properties; /** @var array */ protected $mechanisms; /** @var array */ protected $locales; /** @var bool */ protected $wait_tune_ok; /** @var string */ protected $known_hosts; /** @var AMQPReader */ protected $input; /** @var string */ protected $vhost; /** @var bool */ protected $insist; /** @var string */ protected $login_method; /** @var string */ protected $login_response; /** @var string */ protected $locale; /** @var int */ protected $heartbeat; /** @var float */ protected $last_frame; /** @var int */ protected $channel_max = 65535; /** @var int */ protected $frame_max = 131072; /** @var array Constructor parameters for clone */ protected $construct_params; /** @var bool Close the connection in destructor */ protected $close_on_destruct = true; /** @var bool Maintain connection status */ protected $is_connected = false; /** @var \PhpAmqpLib\Wire\IO\AbstractIO */ protected $io; /** @var \PhpAmqpLib\Wire\AMQPReader */ protected $wait_frame_reader; /** @var callable Handles connection blocking from the server */ private $connection_block_handler; /** @var callable Handles connection unblocking from the server */ private $connection_unblock_handler; /** @var int Connection timeout value*/ protected $connection_timeout ; /** * Circular buffer to speed up prepare_content(). * Max size limited by $prepare_content_cache_max_size. * * @var array * @see prepare_content() */ private $prepare_content_cache = array(); /** @var int Maximal size of $prepare_content_cache */ private $prepare_content_cache_max_size = 100; /** * Maximum time to wait for channel operations, in seconds * @var float $channel_rpc_timeout */ private $channel_rpc_timeout; /** * @param string $user * @param string $password * @param string $vhost * @param bool $insist * @param string $login_method * @param null $login_response * @param string $locale * @param AbstractIO $io * @param int $heartbeat * @param int $connection_timeout * @param float $channel_rpc_timeout * @throws \Exception */ public function __construct( $user, $password, $vhost = '/', $insist = false, $login_method = 'AMQPLAIN', $login_response = null, $locale = 'en_US', AbstractIO $io, $heartbeat = 60, $connection_timeout = 0, $channel_rpc_timeout = 0.0 ) { // save the params for the use of __clone $this->construct_params = func_get_args(); $this->wait_frame_reader = new AMQPReader(null); $this->vhost = $vhost; $this->insist = $insist; $this->login_method = $login_method; $this->login_response = $login_response; $this->locale = $locale; $this->io = $io; $this->heartbeat = $heartbeat; $this->connection_timeout = $connection_timeout; $this->channel_rpc_timeout = $channel_rpc_timeout; if ($user && $password) { $this->login_response = new AMQPWriter(); $this->login_response->write_table(array( 'LOGIN' => array('S', $user), 'PASSWORD' => array('S', $password) )); // Skip the length $responseValue = $this->login_response->getvalue(); $this->login_response = mb_substr($responseValue, 4, mb_strlen($responseValue, 'ASCII') - 4, 'ASCII'); } else { $this->login_response = null; } // Lazy Connection waits on connecting if ($this->connectOnConstruct()) { $this->connect(); } } /** * Connects to the AMQP server */ protected function connect() { try { // Loop until we connect while (!$this->isConnected()) { // Assume we will connect, until we dont $this->setIsConnected(true); // Connect the socket $this->io->connect(); $this->channels = array(); // The connection object itself is treated as channel 0 parent::__construct($this, 0); $this->input = new AMQPReader(null, $this->io); $this->write($this->amqp_protocol_header); $this->wait(array($this->waitHelper->get_wait('connection.start')),false,$this->connection_timeout); $this->x_start_ok( $this->getLibraryProperties(), $this->login_method, $this->login_response, $this->locale ); $this->wait_tune_ok = true; while ($this->wait_tune_ok) { $this->wait(array( $this->waitHelper->get_wait('connection.secure'), $this->waitHelper->get_wait('connection.tune') )); } $host = $this->x_open($this->vhost, '', $this->insist); if (!$host) { //Reconnected $this->io->reenableHeartbeat(); return null; // we weren't redirected } $this->setIsConnected(false); $this->closeChannels(); // we were redirected, close the socket, loop and try again $this->close_socket(); } } catch (\Exception $e) { // Something went wrong, set the connection status $this->setIsConnected(false); $this->closeChannels(); $this->close_input(); $this->close_socket(); throw $e; // Rethrow exception } } /** * Reconnects using the original connection settings. * This will not recreate any channels that were established previously */ public function reconnect() { // Try to close the AMQP connection $this->safeClose(); // Reconnect the socket/stream then AMQP $this->io->close(); $this->setIsConnected(false); // getIO can initiate the connection setting via LazyConnection, set it here to be sure $this->connect(); } /** * Cloning will use the old properties to make a new connection to the same server */ public function __clone() { call_user_func_array(array($this, '__construct'), $this->construct_params); } public function __destruct() { if ($this->close_on_destruct) { $this->safeClose(); } } /** * Attempts to close the connection safely */ protected function safeClose() { try { if (isset($this->input) && $this->input) { $this->close(); } } catch (\Exception $e) { // Nothing here } } /** * @param int $sec * @param int $usec * @return mixed */ public function select($sec, $usec = 0) { try { return $this->io->select($sec, $usec); } catch (AMQPConnectionClosedException $e) { $this->do_close(); throw $e; } catch (AMQPRuntimeException $e) { $this->setIsConnected(false); throw $e; } } /** * Allows to not close the connection * it's useful after the fork when you don't want to close parent process connection * * @param bool $close */ public function set_close_on_destruct($close = true) { $this->close_on_destruct = (bool) $close; } protected function close_input() { $this->debug && $this->debug->debug_msg('closing input'); if (!is_null($this->input)) { $this->input->close(); $this->input = null; } } protected function close_socket() { $this->debug && $this->debug->debug_msg('closing socket'); if ($this->io) { $this->io->close(); } } /** * @param string $data */ public function write($data) { $this->debug->debug_hexdump($data); try { $this->io->write($data); } catch (AMQPConnectionClosedException $e) { $this->do_close(); throw $e; } catch (AMQPRuntimeException $e) { $this->setIsConnected(false); throw $e; } } protected function do_close() { $this->setIsConnected(false); $this->close_input(); $this->close_socket(); } /** * @return int * @throws \PhpAmqpLib\Exception\AMQPRuntimeException */ public function get_free_channel_id() { for ($i = 1; $i <= $this->channel_max; $i++) { if (!isset($this->channels[$i])) { return $i; } } throw new AMQPRuntimeException('No free channel ids'); } /** * @param string $channel * @param int $class_id * @param int $weight * @param int $body_size * @param string $packed_properties * @param string $body * @param AMQPWriter $pkt */ public function send_content($channel, $class_id, $weight, $body_size, $packed_properties, $body, $pkt = null) { $this->prepare_content($channel, $class_id, $weight, $body_size, $packed_properties, $body, $pkt); $this->write($pkt->getvalue()); } /** * Returns a new AMQPWriter or mutates the provided $pkt * * @param string $channel * @param int $class_id * @param int $weight * @param int $body_size * @param string $packed_properties * @param string $body * @param AMQPWriter $pkt * @return AMQPWriter */ public function prepare_content($channel, $class_id, $weight, $body_size, $packed_properties, $body, $pkt = null) { $pkt = $pkt ?: new AMQPWriter(); // Content already prepared ? $key_cache = sprintf( '%s|%s|%s|%s', $channel, $packed_properties, $class_id, $weight ); if (!isset($this->prepare_content_cache[$key_cache])) { $w = new AMQPWriter(); $w->write_octet(2); $w->write_short($channel); $w->write_long(mb_strlen($packed_properties, 'ASCII') + 12); $w->write_short($class_id); $w->write_short($weight); $this->prepare_content_cache[$key_cache] = $w->getvalue(); if (count($this->prepare_content_cache) > $this->prepare_content_cache_max_size) { reset($this->prepare_content_cache); $old_key = key($this->prepare_content_cache); unset($this->prepare_content_cache[$old_key]); } } $pkt->write($this->prepare_content_cache[$key_cache]); $pkt->write_longlong($body_size); $pkt->write($packed_properties); $pkt->write_octet(0xCE); // memory efficiency: walk the string instead of biting // it. good for very large packets (close in size to // memory_limit setting) $position = 0; $bodyLength = mb_strlen($body,'ASCII'); while ($position < $bodyLength) { $payload = mb_substr($body, $position, $this->frame_max - 8, 'ASCII'); $position += $this->frame_max - 8; $pkt->write_octet(3); $pkt->write_short($channel); $pkt->write_long(mb_strlen($payload, 'ASCII')); $pkt->write($payload); $pkt->write_octet(0xCE); } return $pkt; } /** * @param string $channel * @param array $method_sig * @param AMQPWriter|string $args * @param null $pkt */ protected function send_channel_method_frame($channel, $method_sig, $args = '', $pkt = null) { $pkt = $this->prepare_channel_method_frame($channel, $method_sig, $args, $pkt); $this->write($pkt->getvalue()); $this->debug->debug_method_signature1($method_sig); } /** * Returns a new AMQPWriter or mutates the provided $pkt * * @param string $channel * @param array $method_sig * @param AMQPWriter|string $args * @param AMQPWriter $pkt * @return AMQPWriter */ protected function prepare_channel_method_frame($channel, $method_sig, $args = '', $pkt = null) { if ($args instanceof AMQPWriter) { $args = $args->getvalue(); } $pkt = $pkt ?: new AMQPWriter(); $pkt->write_octet(1); $pkt->write_short($channel); $pkt->write_long(mb_strlen($args, 'ASCII') + 4); // 4 = length of class_id and method_id // in payload $pkt->write_short($method_sig[0]); // class_id $pkt->write_short($method_sig[1]); // method_id $pkt->write($args); $pkt->write_octet(0xCE); $this->debug->debug_method_signature1($method_sig); return $pkt; } /** * Waits for a frame from the server * * @param int|float|null $timeout * @return array * @throws \Exception * @throws \PhpAmqpLib\Exception\AMQPTimeoutException * @throws \PhpAmqpLib\Exception\AMQPRuntimeException */ protected function wait_frame($timeout = 0) { if (is_null($this->input)) { $this->setIsConnected(false); throw new AMQPConnectionClosedException('Broken pipe or closed connection'); } $currentTimeout = $this->input->getTimeout(); $this->input->setTimeout($timeout); try { // frame_type + channel_id + size $this->wait_frame_reader->reuse( $this->input->read(AMQPReader::OCTET + AMQPReader::SHORT + AMQPReader::LONG) ); $frame_type = $this->wait_frame_reader->read_octet(); $class = self::$PROTOCOL_CONSTANTS_CLASS; if (!array_key_exists($frame_type, $class::$FRAME_TYPES)) { throw new AMQPInvalidFrameException('Invalid frame type ' . $frame_type); } $channel = $this->wait_frame_reader->read_short(); $size = $this->wait_frame_reader->read_long(); // payload + ch $this->wait_frame_reader->reuse($this->input->read(AMQPReader::OCTET + (int) $size)); $payload = $this->wait_frame_reader->read($size); $ch = $this->wait_frame_reader->read_octet(); } catch (AMQPTimeoutException $e) { $this->input->setTimeout($currentTimeout); throw $e; } catch (AMQPNoDataException $e) { if ($this->input) { $this->input->setTimeout($currentTimeout); } throw $e; } catch (AMQPConnectionClosedException $exception) { $this->do_close(); throw $exception; } $this->input->setTimeout($currentTimeout); if ($ch != 0xCE) { throw new AMQPInvalidFrameException(sprintf( 'Framing error, unexpected byte: %x', $ch )); } return array($frame_type, $channel, $payload); } /** * Waits for a frame from the server destined for a particular channel. * * @param string $channel_id * @param int|float|null $timeout * @return array */ protected function wait_channel($channel_id, $timeout = 0) { // Keeping the original timeout unchanged. $_timeout = $timeout; while (true) { $now = time(); try { list($frame_type, $frame_channel, $payload) = $this->wait_frame($_timeout); } catch (AMQPTimeoutException $e) { if ( $this->heartbeat && microtime(true) - ($this->heartbeat*2) > $this->last_frame ) { $this->debug->debug_msg("missed server heartbeat (at threshold * 2)"); $this->setIsConnected(false); throw new AMQPHeartbeatMissedException("Missed server heartbeat"); } throw $e; } $this->last_frame = microtime(true); if ($frame_channel === 0 && $frame_type === 8) { // skip heartbeat frames and reduce the timeout by the time passed $this->debug->debug_msg("received server heartbeat"); if($_timeout > 0) { $_timeout -= time() - $now; if($_timeout <= 0) { // If timeout has been reached, throw the exception without calling wait_frame throw new AMQPTimeoutException("Timeout waiting on channel"); } } continue; } else { if ($frame_channel == $channel_id) { return array($frame_type, $payload); } // Not the channel we were looking for. Queue this frame //for later, when the other channel is looking for frames. // Make sure the channel still exists, it could have been // closed by a previous Exception. if (isset($this->channels[$frame_channel])) { array_push($this->channels[$frame_channel]->frame_queue, array($frame_type, $payload)); } // If we just queued up a method for channel 0 (the Connection // itself) it's probably a close method in reaction to some // error, so deal with it right away. if (($frame_type == 1) && ($frame_channel == 0)) { $this->wait(); } } } } /** * Fetches a channel object identified by the numeric channel_id, or * create that object if it doesn't already exist. * * @param int $channel_id * @return AMQPChannel */ public function channel($channel_id = null) { if (isset($this->channels[$channel_id])) { return $this->channels[$channel_id]; } $channel_id = $channel_id ? $channel_id : $this->get_free_channel_id(); $ch = new AMQPChannel($this->connection, $channel_id, true, $this->channel_rpc_timeout); $this->channels[$channel_id] = $ch; return $ch; } /** * Requests a connection close * * @param int $reply_code * @param string $reply_text * @param array $method_sig * @return mixed|null */ public function close($reply_code = 0, $reply_text = '', $method_sig = array(0, 0)) { $result = null; $this->io->disableHeartbeat(); if (empty($this->protocolWriter) || !$this->isConnected()) { return $result; } try { $this->closeChannels(); list($class_id, $method_id, $args) = $this->protocolWriter->connectionClose( $reply_code, $reply_text, $method_sig[0], $method_sig[1] ); $this->send_method_frame(array($class_id, $method_id), $args); $result = $this->wait( array($this->waitHelper->get_wait('connection.close_ok')), false, $this->connection_timeout ); } catch (\Exception $exception) { $this->do_close(); throw $exception; } $this->setIsConnected(false); return $result; } /** * @param AMQPReader $reader * @throws \PhpAmqpLib\Exception\AMQPProtocolConnectionException */ protected function connection_close(AMQPReader $reader) { $reply_code = $reader->read_short(); $reply_text = $reader->read_shortstr(); $class_id = $reader->read_short(); $method_id = $reader->read_short(); $this->x_close_ok(); throw new AMQPProtocolConnectionException($reply_code, $reply_text, array($class_id, $method_id)); } /** * Confirms a connection close */ protected function x_close_ok() { $this->send_method_frame( explode(',', $this->waitHelper->get_wait('connection.close_ok')) ); $this->do_close(); } /** * Confirm a connection close * * @param AMQPReader $args */ protected function connection_close_ok($args) { $this->do_close(); } /** * @param string $virtual_host * @param string $capabilities * @param bool $insist * @return mixed */ protected function x_open($virtual_host, $capabilities = '', $insist = false) { $args = new AMQPWriter(); $args->write_shortstr($virtual_host); $args->write_shortstr($capabilities); $args->write_bits(array($insist)); $this->send_method_frame(array(10, 40), $args); $wait = array( $this->waitHelper->get_wait('connection.open_ok') ); if ($this->protocolVersion == '0.8') { $wait[] = $this->waitHelper->get_wait('connection.redirect'); } return $this->wait($wait); } /** * Signals that the connection is ready * * @param AMQPReader $args */ protected function connection_open_ok($args) { $this->known_hosts = $args->read_shortstr(); $this->debug->debug_msg('Open OK! known_hosts: ' . $this->known_hosts); } /** * Asks the client to use a different server * * @param AMQPReader $args * @return string */ protected function connection_redirect($args) { $host = $args->read_shortstr(); $this->known_hosts = $args->read_shortstr(); $this->debug->debug_msg(sprintf( 'Redirected to [%s], known_hosts [%s]', $host, $this->known_hosts )); return $host; } /** * Security mechanism challenge * * @param AMQPReader $args */ protected function connection_secure($args) { $challenge = $args->read_longstr(); } /** * Security mechanism response * * @param string $response */ protected function x_secure_ok($response) { $args = new AMQPWriter(); $args->write_longstr($response); $this->send_method_frame(array(10, 21), $args); } /** * Starts connection negotiation * * @param AMQPReader $args */ protected function connection_start($args) { $this->version_major = $args->read_octet(); $this->version_minor = $args->read_octet(); $this->server_properties = $args->read_table(); $this->mechanisms = explode(' ', $args->read_longstr()); $this->locales = explode(' ', $args->read_longstr()); $this->debug->debug_connection_start( $this->version_major, $this->version_minor, $this->server_properties, $this->mechanisms, $this->locales ); } /** * @param AMQPTable|array $clientProperties * @param string $mechanism * @param string $response * @param string $locale */ protected function x_start_ok($clientProperties, $mechanism, $response, $locale) { $args = new AMQPWriter(); $args->write_table($clientProperties); $args->write_shortstr($mechanism); $args->write_longstr($response); $args->write_shortstr($locale); $this->send_method_frame(array(10, 11), $args); } /** * Proposes connection tuning parameters * * @param AMQPReader $args */ protected function connection_tune($args) { $v = $args->read_short(); if ($v) { $this->channel_max = $v; } $v = $args->read_long(); if ($v) { $this->frame_max = $v; } // use server proposed value if not set if ($this->heartbeat === null) { $this->heartbeat = $args->read_short(); } $this->x_tune_ok($this->channel_max, $this->frame_max, $this->heartbeat); } /** * Negotiates connection tuning parameters * * @param int $channel_max * @param int $frame_max * @param int $heartbeat */ protected function x_tune_ok($channel_max, $frame_max, $heartbeat) { $args = new AMQPWriter(); $args->write_short($channel_max); $args->write_long($frame_max); $args->write_short($heartbeat); $this->send_method_frame(array(10, 31), $args); $this->wait_tune_ok = false; } /** * @return resource * @deprecated No direct access to communication socket should be available. */ public function getSocket() { return $this->io->getSocket(); } /** * @return \PhpAmqpLib\Wire\IO\AbstractIO * @deprecated */ public function getIO() { return $this->io; } /** * Handles connection blocked notifications * * @param AMQPReader $args */ protected function connection_blocked(AMQPReader $args) { // Call the block handler and pass in the reason $this->dispatch_to_handler($this->connection_block_handler, array($args->read_shortstr())); } /** * Handles connection unblocked notifications * * @param AMQPReader $args */ protected function connection_unblocked(AMQPReader $args) { // No args to an unblock event $this->dispatch_to_handler($this->connection_unblock_handler, array()); } /** * Sets a handler which is called whenever a connection.block is sent from the server * * @param callable $callback */ public function set_connection_block_handler($callback) { $this->connection_block_handler = $callback; } /** * Sets a handler which is called whenever a connection.block is sent from the server * * @param callable $callback */ public function set_connection_unblock_handler($callback) { $this->connection_unblock_handler = $callback; } /** * Gets the connection status * * @return bool */ public function isConnected() { return (bool) $this->is_connected; } /** * Set the connection status * * @param bool $is_connected */ protected function setIsConnected($is_connected) { $this->is_connected = (bool) $is_connected; } /** * Closes all available channels */ protected function closeChannels() { foreach ($this->channels as $key => $channel) { // channels[0] is this connection object, so don't close it yet if ($key === 0) { continue; } try { $channel->close(); } catch (\Exception $e) { /* Ignore closing errors */ } } } /** * Should the connection be attempted during construction? * * @return bool */ public function connectOnConstruct() { return true; } /** * @return array */ public function getServerProperties() { return $this->server_properties; } /** * Get the library properties for populating the client protocol information * * @return array */ public function getLibraryProperties() { return self::$LIBRARY_PROPERTIES; } public static function create_connection($hosts, $options = array()){ $latest_exception = null; for($i = 0; $i < count($hosts); $i++) { AbstractConnection::validate_host($hosts[$i]); $host = $hosts[$i]['host']; $port = $hosts[$i]['port']; $user = $hosts[$i]['user']; $password = $hosts[$i]['password']; $vhost = isset($hosts[$i]['vhost']) ? $hosts[$i]['vhost'] : "/"; try { $conn = static::try_create_connection($host, $port, $user, $password, $vhost, $options); return $conn; } catch (\Exception $e) { $latest_exception = $e; } } throw $latest_exception; } public static function validate_host($host) { if(!isset($host['host'])){ throw new \InvalidArgumentException("'host' key is required."); } if(!isset($host['port'])){ throw new \InvalidArgumentException("'port' key is required."); } if(!isset($host['user'])){ throw new \InvalidArgumentException("'user' key is required."); } if(!isset($host['password'])){ throw new \InvalidArgumentException("'password' key is required."); } } } $read_write_timeout) { throw new \InvalidArgumentException('channel RPC timeout must not be greater than I/O read-write timeout'); } $io = new StreamIO( $host, $port, $connection_timeout, $read_write_timeout, $context, $keepalive, $heartbeat, $ssl_protocol ); parent::__construct( $user, $password, $vhost, $insist, $login_method, $login_response, $locale, $io, $heartbeat, $connection_timeout, $channel_rpc_timeout ); // save the params for the use of __clone, this will overwrite the parent $this->construct_params = func_get_args(); } protected static function try_create_connection($host, $port, $user, $password, $vhost, $options){ $insist = isset($options['insist']) ? $options['insist'] : false; $login_method = isset($options['login_method']) ? $options['login_method'] :'AMQPLAIN'; $login_response = isset($options['login_response']) ? $options['login_response'] : null; $locale = isset($options['locale']) ? $options['locale'] : 'en_US'; $connection_timeout = isset($options['connection_timeout']) ? $options['connection_timeout'] : 3.0; $read_write_timeout = isset($options['read_write_timeout']) ? $options['read_write_timeout'] : 130.0; $context = isset($options['context']) ? $options['context'] : null; $keepalive = isset($options['keepalive']) ? $options['keepalive'] : false; $heartbeat = isset($options['heartbeat']) ? $options['heartbeat'] : 60; return new static($host, $port, $user, $password, $vhost, $insist, $login_method, $login_response, $locale, $connection_timeout, $read_write_timeout, $context, $keepalive, $heartbeat); } } 'shortstr', 'content_encoding' => 'shortstr', 'application_headers' => 'table_object', 'delivery_mode' => 'octet', 'priority' => 'octet', 'correlation_id' => 'shortstr', 'reply_to' => 'shortstr', 'expiration' => 'shortstr', 'message_id' => 'shortstr', 'timestamp' => 'timestamp', 'type' => 'shortstr', 'user_id' => 'shortstr', 'app_id' => 'shortstr', 'cluster_id' => 'shortstr', ); /** * @param string $body * @param array $properties */ public function __construct($body = '', $properties = array()) { $this->setBody($body); parent::__construct($properties, static::$propertyDefinitions); } /** * @return string */ public function getBody() { return $this->body; } /** * Sets the message payload * * @param string $body * @return $this */ public function setBody($body) { $this->body = $body; return $this; } /** * @return string */ public function getContentEncoding() { return $this->content_encoding; } /** * @return int */ public function getBodySize() { return $this->body_size; } /** * @param int $body_size Message body size in byte(s) * @return AMQPMessage */ public function setBodySize($body_size) { $this->body_size = (int) $body_size; return $this; } /** * @return boolean */ public function isTruncated() { return $this->is_truncated; } /** * @param bool $is_truncated * @return AMQPMessage */ public function setIsTruncated($is_truncated) { $this->is_truncated = (bool) $is_truncated; return $this; } } get_free_channel_id(); } parent::__construct($connection, $channel_id); $this->debug->debug_msg('using channel_id: ' . $channel_id); $this->auto_decode = $auto_decode; $this->channel_rpc_timeout = $channel_rpc_timeout; try { $this->x_open(); } catch (\Exception $e) { $this->close(); throw $e; } } /** * @return bool */ public function is_open() { return $this->is_open; } /** * Tear down this object, after we've agreed to close with the server. */ protected function do_close() { if ($this->channel_id !== null) { unset($this->connection->channels[$this->channel_id]); } $this->channel_id = $this->connection = null; $this->is_open = false; $this->callbacks = array(); } /** * Only for AMQP0.8.0 * This method allows the server to send a non-fatal warning to * the client. This is used for methods that are normally * asynchronous and thus do not have confirmations, and for which * the server may detect errors that need to be reported. Fatal * errors are handled as channel or connection exceptions; non- * fatal errors are sent through this method. * * @param AMQPReader $reader */ protected function channel_alert($reader) { $reply_code = $reader->read_short(); $reply_text = $reader->read_shortstr(); $details = $reader->read_table(); array_push($this->alerts, array($reply_code, $reply_text, $details)); } /** * Request a channel close * * @param int $reply_code * @param string $reply_text * @param array $method_sig * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function close($reply_code = 0, $reply_text = '', $method_sig = array(0, 0)) { $this->callbacks = array(); if ($this->is_open === false || $this->connection === null) { $this->do_close(); return null; // already closed } list($class_id, $method_id, $args) = $this->protocolWriter->channelClose( $reply_code, $reply_text, $method_sig[0], $method_sig[1] ); try { $this->send_method_frame(array($class_id, $method_id), $args); } catch (\Exception $e) { $this->do_close(); throw $e; } return $this->wait(array( $this->waitHelper->get_wait('channel.close_ok') ), false, $this->channel_rpc_timeout ); } /** * @param AMQPReader $reader * @throws \PhpAmqpLib\Exception\AMQPProtocolChannelException */ protected function channel_close($reader) { $reply_code = $reader->read_short(); $reply_text = $reader->read_shortstr(); $class_id = $reader->read_short(); $method_id = $reader->read_short(); $this->send_method_frame(array(20, 41)); $this->do_close(); throw new AMQPProtocolChannelException($reply_code, $reply_text, array($class_id, $method_id)); } /** * Confirm a channel close * Alias of AMQPChannel::do_close() * * @param AMQPReader $reader */ protected function channel_close_ok($reader) { $this->do_close(); } /** * Enables/disables flow from peer * * @param $active * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function flow($active) { list($class_id, $method_id, $args) = $this->protocolWriter->channelFlow($active); $this->send_method_frame(array($class_id, $method_id), $args); return $this->wait(array( $this->waitHelper->get_wait('channel.flow_ok') ), false, $this->channel_rpc_timeout); } /** * @param AMQPReader $reader */ protected function channel_flow($reader) { $this->active = $reader->read_bit(); $this->x_flow_ok($this->active); } /** * @param bool $active */ protected function x_flow_ok($active) { list($class_id, $method_id, $args) = $this->protocolWriter->channelFlow($active); $this->send_method_frame(array($class_id, $method_id), $args); } /** * @param AMQPReader $reader * @return bool */ protected function channel_flow_ok($reader) { return $reader->read_bit(); } /** * @param string $out_of_band * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ protected function x_open($out_of_band = '') { if ($this->is_open) { return null; } list($class_id, $method_id, $args) = $this->protocolWriter->channelOpen($out_of_band); $this->send_method_frame(array($class_id, $method_id), $args); return $this->wait(array( $this->waitHelper->get_wait('channel.open_ok') ), false, $this->channel_rpc_timeout); } /** * @param AMQPReader $reader */ protected function channel_open_ok($reader) { $this->is_open = true; $this->debug->debug_msg('Channel open'); } /** * Requests an access ticket * * @param string $realm * @param bool $exclusive * @param bool $passive * @param bool $active * @param bool $write * @param bool $read * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function access_request( $realm, $exclusive = false, $passive = false, $active = false, $write = false, $read = false ) { list($class_id, $method_id, $args) = $this->protocolWriter->accessRequest( $realm, $exclusive, $passive, $active, $write, $read ); $this->send_method_frame(array($class_id, $method_id), $args); return $this->wait(array( $this->waitHelper->get_wait('access.request_ok') ), false, $this->channel_rpc_timeout); } /** * Grants access to server resources * * @param AMQPReader $reader * @return string */ protected function access_request_ok($reader) { $this->default_ticket = $reader->read_short(); return $this->default_ticket; } /** * Declares exchange * * @param string $exchange * @param string $type * @param bool $passive * @param bool $durable * @param bool $auto_delete * @param bool $internal * @param bool $nowait * @param array $arguments * @param int $ticket * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed|null */ public function exchange_declare( $exchange, $type, $passive = false, $durable = false, $auto_delete = true, $internal = false, $nowait = false, $arguments = array(), $ticket = null ) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->exchangeDeclare( $ticket, $exchange, $type, $passive, $durable, $auto_delete, $internal, $nowait, $arguments ); $this->send_method_frame(array($class_id, $method_id), $args); if ($nowait) { return null; } return $this->wait(array( $this->waitHelper->get_wait('exchange.declare_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms an exchange declaration * @param AMQPReader $reader */ protected function exchange_declare_ok($reader) { } /** * Deletes an exchange * * @param string $exchange * @param bool $if_unused * @param bool $nowait * @param null $ticket * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed|null */ public function exchange_delete( $exchange, $if_unused = false, $nowait = false, $ticket = null ) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->exchangeDelete( $ticket, $exchange, $if_unused, $nowait ); $this->send_method_frame(array($class_id, $method_id), $args); if ($nowait) { return null; } return $this->wait(array( $this->waitHelper->get_wait('exchange.delete_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms deletion of an exchange * * @param AMQPReader $reader */ protected function exchange_delete_ok($reader) { } /** * Binds dest exchange to source exchange * * @param string $destination * @param string $source * @param string $routing_key * @param bool $nowait * @param array $arguments * @param int $ticket * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed|null */ public function exchange_bind( $destination, $source, $routing_key = '', $nowait = false, $arguments = array(), $ticket = null ) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->exchangeBind( $ticket, $destination, $source, $routing_key, $nowait, $arguments ); $this->send_method_frame(array($class_id, $method_id), $args); if ($nowait) { return null; } return $this->wait(array( $this->waitHelper->get_wait('exchange.bind_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms bind successful * @param AMQPReader $reader */ protected function exchange_bind_ok($reader) { } /** * Unbinds dest exchange from source exchange * * @param string $destination * @param string $source * @param string $routing_key * @param bool $nowait * @param array $arguments * @param int $ticket * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function exchange_unbind( $destination, $source, $routing_key = '', $nowait = false, $arguments = array(), $ticket = null ) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->exchangeUnbind( $ticket, $destination, $source, $routing_key, $nowait, $arguments ); $this->send_method_frame(array($class_id, $method_id), $args); return $this->wait(array( $this->waitHelper->get_wait('exchange.unbind_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms unbind successful * * @param AMQPReader $reader */ protected function exchange_unbind_ok($reader) { } /** * Binds queue to an exchange * * @param string $queue * @param string $exchange * @param string $routing_key * @param bool $nowait * @param array $arguments * @param int $ticket * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed|null */ public function queue_bind( $queue, $exchange, $routing_key = '', $nowait = false, $arguments = array(), $ticket = null ) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->queueBind( $ticket, $queue, $exchange, $routing_key, $nowait, $arguments ); $this->send_method_frame(array($class_id, $method_id), $args); if ($nowait) { return null; } return $this->wait(array( $this->waitHelper->get_wait('queue.bind_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms bind successful * * @param AMQPReader $reader */ protected function queue_bind_ok($reader) { } /** * Unbind queue from an exchange * * @param string $queue * @param string $exchange * @param string $routing_key * @param array $arguments * @param int $ticket * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function queue_unbind( $queue, $exchange, $routing_key = '', $arguments = array(), $ticket = null ) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->queueUnbind( $ticket, $queue, $exchange, $routing_key, $arguments ); $this->send_method_frame(array($class_id, $method_id), $args); return $this->wait(array( $this->waitHelper->get_wait('queue.unbind_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms unbind successful * @param AMQPReader $reader */ protected function queue_unbind_ok($reader) { } /** * Declares queue, creates if needed * * @param string $queue * @param bool $passive * @param bool $durable * @param bool $exclusive * @param bool $auto_delete * @param bool $nowait * @param array $arguments * @param int $ticket * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed|null */ public function queue_declare( $queue = '', $passive = false, $durable = false, $exclusive = false, $auto_delete = true, $nowait = false, $arguments = array(), $ticket = null ) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->queueDeclare( $ticket, $queue, $passive, $durable, $exclusive, $auto_delete, $nowait, $arguments ); $this->send_method_frame(array($class_id, $method_id), $args); if ($nowait) { return null; } return $this->wait(array( $this->waitHelper->get_wait('queue.declare_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms a queue definition * * @param AMQPReader $reader * @return string[] */ protected function queue_declare_ok($reader) { $queue = $reader->read_shortstr(); $message_count = $reader->read_long(); $consumer_count = $reader->read_long(); return array($queue, $message_count, $consumer_count); } /** * Deletes a queue * * @param string $queue * @param bool $if_unused * @param bool $if_empty * @param bool $nowait * @param int $ticket * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed|null */ public function queue_delete($queue = '', $if_unused = false, $if_empty = false, $nowait = false, $ticket = null) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->queueDelete( $ticket, $queue, $if_unused, $if_empty, $nowait ); $this->send_method_frame(array($class_id, $method_id), $args); if ($nowait) { return null; } return $this->wait(array( $this->waitHelper->get_wait('queue.delete_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms deletion of a queue * * @param AMQPReader $reader * @return string */ protected function queue_delete_ok($reader) { return $reader->read_long(); } /** * Purges a queue * * @param string $queue * @param bool $nowait * @param int $ticket * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed|null */ public function queue_purge($queue = '', $nowait = false, $ticket = null) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->queuePurge($ticket, $queue, $nowait); $this->send_method_frame(array($class_id, $method_id), $args); if ($nowait) { return null; } return $this->wait(array( $this->waitHelper->get_wait('queue.purge_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms a queue purge * * @param AMQPReader $reader * @return string */ protected function queue_purge_ok($reader) { return $reader->read_long(); } /** * Acknowledges one or more messages * * @param string $delivery_tag * @param bool $multiple */ public function basic_ack($delivery_tag, $multiple = false) { list($class_id, $method_id, $args) = $this->protocolWriter->basicAck($delivery_tag, $multiple); $this->send_method_frame(array($class_id, $method_id), $args); } /** * Called when the server sends a basic.ack * * @param AMQPReader $reader * @throws AMQPRuntimeException */ protected function basic_ack_from_server(AMQPReader $reader) { $delivery_tag = $reader->read_longlong(); $multiple = (bool) $reader->read_bit(); if (!isset($this->published_messages[$delivery_tag])) { throw new AMQPRuntimeException(sprintf( 'Server ack\'ed unknown delivery_tag "%s"', $delivery_tag )); } $this->internal_ack_handler($delivery_tag, $multiple, $this->ack_handler); } /** * Called when the server sends a basic.nack * * @param AMQPReader $reader * @throws AMQPRuntimeException */ protected function basic_nack_from_server($reader) { $delivery_tag = $reader->read_longlong(); $multiple = (bool) $reader->read_bit(); if (!isset($this->published_messages[$delivery_tag])) { throw new AMQPRuntimeException(sprintf( 'Server nack\'ed unknown delivery_tag "%s"', $delivery_tag )); } $this->internal_ack_handler($delivery_tag, $multiple, $this->nack_handler); } /** * Handles the deletion of messages from this->publishedMessages and dispatches them to the $handler * * @param string $delivery_tag * @param bool $multiple * @param callable $handler */ protected function internal_ack_handler($delivery_tag, $multiple, $handler) { if ($multiple) { $keys = $this->get_keys_less_or_equal($this->published_messages, $delivery_tag); foreach ($keys as $key) { $this->internal_ack_handler($key, false, $handler); } } else { $message = $this->get_and_unset_message($delivery_tag); $message->delivery_info['delivery_tag'] = $delivery_tag; $this->dispatch_to_handler($handler, array($message)); } } /** * @param AMQPMessage[] $messages * @param string $value * @return mixed */ protected function get_keys_less_or_equal(array $messages, $value) { $keys = array_reduce( array_keys($messages), /** * @param string $key */ function ($keys, $key) use ($value) { if (bccomp($key, $value, 0) <= 0) { $keys[] = $key; } return $keys; }, array() ); return $keys; } /** * Rejects one or several received messages * * @param string $delivery_tag * @param bool $multiple * @param bool $requeue */ public function basic_nack($delivery_tag, $multiple = false, $requeue = false) { list($class_id, $method_id, $args) = $this->protocolWriter->basicNack($delivery_tag, $multiple, $requeue); $this->send_method_frame(array($class_id, $method_id), $args); } /** * Ends a queue consumer * * @param string $consumer_tag * @param bool $nowait * @param bool $noreturn * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function basic_cancel($consumer_tag, $nowait = false, $noreturn = false) { list($class_id, $method_id, $args) = $this->protocolWriter->basicCancel($consumer_tag, $nowait); $this->send_method_frame(array($class_id, $method_id), $args); if ($nowait || $noreturn) { unset($this->callbacks[$consumer_tag]); return $consumer_tag; } return $this->wait(array( $this->waitHelper->get_wait('basic.cancel_ok') ), false, $this->channel_rpc_timeout); } /** * @param AMQPReader $reader * @throws \PhpAmqpLib\Exception\AMQPBasicCancelException */ protected function basic_cancel_from_server(AMQPReader $reader) { throw new AMQPBasicCancelException($reader->read_shortstr()); } /** * Confirm a cancelled consumer * * @param AMQPReader $reader * @return string */ protected function basic_cancel_ok($reader) { $consumerTag = $reader->read_shortstr(); unset($this->callbacks[$consumerTag]); return $consumerTag; } /** * @return bool */ public function is_consuming() { return !empty($this->callbacks); } /** * Starts a queue consumer * * @param string $queue * @param string $consumer_tag * @param bool $no_local * @param bool $no_ack * @param bool $exclusive * @param bool $nowait * @param callable|null $callback * @param int|null $ticket * @param array $arguments * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed|string */ public function basic_consume( $queue = '', $consumer_tag = '', $no_local = false, $no_ack = false, $exclusive = false, $nowait = false, $callback = null, $ticket = null, $arguments = array() ) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->basicConsume( $ticket, $queue, $consumer_tag, $no_local, $no_ack, $exclusive, $nowait, $this->protocolVersion == '0.9.1' ? $arguments : null ); $this->send_method_frame(array($class_id, $method_id), $args); if (false === $nowait) { $consumer_tag = $this->wait(array( $this->waitHelper->get_wait('basic.consume_ok') ), false, $this->channel_rpc_timeout); } $this->callbacks[$consumer_tag] = $callback; return $consumer_tag; } /** * Confirms a new consumer * * @param AMQPReader $reader * @return string */ protected function basic_consume_ok($reader) { return $reader->read_shortstr(); } /** * Notifies the client of a consumer message * * @param AMQPReader $reader * @param AMQPMessage $message */ protected function basic_deliver($reader, $message) { $consumer_tag = $reader->read_shortstr(); $delivery_tag = $reader->read_longlong(); $redelivered = $reader->read_bit(); $exchange = $reader->read_shortstr(); $routing_key = $reader->read_shortstr(); $message->delivery_info = array( 'channel' => $this, 'consumer_tag' => $consumer_tag, 'delivery_tag' => $delivery_tag, 'redelivered' => $redelivered, 'exchange' => $exchange, 'routing_key' => $routing_key ); if (isset($this->callbacks[$consumer_tag])) { call_user_func($this->callbacks[$consumer_tag], $message); } } /** * Direct access to a queue if no message was available in the queue, return null * * @param string $queue * @param bool $no_ack * @param int $ticket * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function basic_get($queue = '', $no_ack = false, $ticket = null) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->basicGet($ticket, $queue, $no_ack); $this->send_method_frame(array($class_id, $method_id), $args); return $this->wait(array( $this->waitHelper->get_wait('basic.get_ok'), $this->waitHelper->get_wait('basic.get_empty') ), false, $this->channel_rpc_timeout); } /** * Indicates no messages available * * @param AMQPReader $reader */ protected function basic_get_empty($reader) { } /** * Provides client with a message * * @param AMQPReader $reader * @param AMQPMessage $message * @return AMQPMessage */ protected function basic_get_ok($reader, $message) { $delivery_tag = $reader->read_longlong(); $redelivered = $reader->read_bit(); $exchange = $reader->read_shortstr(); $routing_key = $reader->read_shortstr(); $message_count = $reader->read_long(); $message->delivery_info = array( 'delivery_tag' => $delivery_tag, 'redelivered' => $redelivered, 'exchange' => $exchange, 'routing_key' => $routing_key, 'message_count' => $message_count ); return $message; } /** * @param string $exchange * @param string $routing_key * @param $mandatory * @param $immediate * @param int $ticket * @return mixed */ private function pre_publish($exchange, $routing_key, $mandatory, $immediate, $ticket) { $cache_key = sprintf( '%s|%s|%s|%s|%s', $exchange, $routing_key, $mandatory, $immediate, $ticket ); if (false === isset($this->publish_cache[$cache_key])) { $ticket = $this->getTicket($ticket); list($class_id, $method_id, $args) = $this->protocolWriter->basicPublish( $ticket, $exchange, $routing_key, $mandatory, $immediate ); $pkt = $this->prepare_method_frame(array($class_id, $method_id), $args); $this->publish_cache[$cache_key] = $pkt->getvalue(); if (count($this->publish_cache) > $this->publish_cache_max_size) { reset($this->publish_cache); $old_key = key($this->publish_cache); unset($this->publish_cache[$old_key]); } } return $this->publish_cache[$cache_key]; } /** * Publishes a message * * @param AMQPMessage $msg * @param string $exchange * @param string $routing_key * @param bool $mandatory * @param bool $immediate * @param int $ticket */ public function basic_publish( $msg, $exchange = '', $routing_key = '', $mandatory = false, $immediate = false, $ticket = null ) { $pkt = new AMQPWriter(); $pkt->write($this->pre_publish($exchange, $routing_key, $mandatory, $immediate, $ticket)); try { $this->connection->send_content( $this->channel_id, 60, 0, mb_strlen($msg->body, 'ASCII'), $msg->serialize_properties(), $msg->body, $pkt ); } catch (AMQPConnectionClosedException $e) { $this->do_close(); throw $e; } if ($this->next_delivery_tag > 0) { $this->published_messages[$this->next_delivery_tag] = $msg; $this->next_delivery_tag = bcadd($this->next_delivery_tag, '1', 0); } } /** * @param AMQPMessage $msg * @param string $exchange * @param string $routing_key * @param bool $mandatory * @param bool $immediate * @param int $ticket */ public function batch_basic_publish( $msg, $exchange = '', $routing_key = '', $mandatory = false, $immediate = false, $ticket = null ) { $this->batch_messages[] = func_get_args(); } /** * Publish batch * * @return void */ public function publish_batch() { if (empty($this->batch_messages)) { return null; } /** @var AMQPWriter $pkt */ $pkt = new AMQPWriter(); /** @var AMQPMessage $msg */ foreach ($this->batch_messages as $m) { $msg = $m[0]; $exchange = isset($m[1]) ? $m[1] : ''; $routing_key = isset($m[2]) ? $m[2] : ''; $mandatory = isset($m[3]) ? $m[3] : false; $immediate = isset($m[4]) ? $m[4] : false; $ticket = isset($m[5]) ? $m[5] : null; $pkt->write($this->pre_publish($exchange, $routing_key, $mandatory, $immediate, $ticket)); $this->connection->prepare_content( $this->channel_id, 60, 0, mb_strlen($msg->body, 'ASCII'), $msg->serialize_properties(), $msg->body, $pkt ); if ($this->next_delivery_tag > 0) { $this->published_messages[$this->next_delivery_tag] = $msg; $this->next_delivery_tag = bcadd($this->next_delivery_tag, '1', 0); } } //call write here $this->connection->write($pkt->getvalue()); $this->batch_messages = array(); } /** * Specifies QoS * * @param int $prefetch_size * @param int $prefetch_count * @param bool $a_global * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function basic_qos($prefetch_size, $prefetch_count, $a_global) { list($class_id, $method_id, $args) = $this->protocolWriter->basicQos( $prefetch_size, $prefetch_count, $a_global ); $this->send_method_frame(array($class_id, $method_id), $args); return $this->wait(array( $this->waitHelper->get_wait('basic.qos_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms QoS request * @param AMQPReader $reader */ protected function basic_qos_ok($reader) { } /** * Redelivers unacknowledged messages * * @param bool $requeue * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function basic_recover($requeue = false) { list($class_id, $method_id, $args) = $this->protocolWriter->basicRecover($requeue); $this->send_method_frame(array($class_id, $method_id), $args); return $this->wait(array( $this->waitHelper->get_wait('basic.recover_ok') ), false, $this->channel_rpc_timeout); } /** * Confirm the requested recover * @param AMQPReader $reader */ protected function basic_recover_ok($reader) { } /** * Rejects an incoming message * * @param string $delivery_tag * @param bool $requeue */ public function basic_reject($delivery_tag, $requeue) { list($class_id, $method_id, $args) = $this->protocolWriter->basicReject($delivery_tag, $requeue); $this->send_method_frame(array($class_id, $method_id), $args); } /** * Returns a failed message * * @param AMQPReader $reader * @param AMQPMessage $message * @return null */ protected function basic_return($reader, $message) { $callback = $this->basic_return_callback; if (!is_callable($callback)) { $this->debug->debug_msg('Skipping unhandled basic_return message'); return null; } $reply_code = $reader->read_short(); $reply_text = $reader->read_shortstr(); $exchange = $reader->read_shortstr(); $routing_key = $reader->read_shortstr(); call_user_func_array($callback, array( $reply_code, $reply_text, $exchange, $routing_key, $message, )); } /** * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function tx_commit() { $this->send_method_frame(array(90, 20)); return $this->wait(array( $this->waitHelper->get_wait('tx.commit_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms a successful commit * @param AMQPReader $reader */ protected function tx_commit_ok($reader) { } /** * Rollbacks the current transaction * * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function tx_rollback() { $this->send_method_frame(array(90, 30)); return $this->wait(array( $this->waitHelper->get_wait('tx.rollback_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms a successful rollback * * @param AMQPReader $reader */ protected function tx_rollback_ok($reader) { } /** * Puts the channel into confirm mode * Beware that only non-transactional channels may be put into confirm mode and vice versa * * @param bool $nowait * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return null */ public function confirm_select($nowait = false) { list($class_id, $method_id, $args) = $this->protocolWriter->confirmSelect($nowait); $this->send_method_frame(array($class_id, $method_id), $args); if ($nowait) { return null; } $this->wait(array( $this->waitHelper->get_wait('confirm.select_ok') ), false, $this->channel_rpc_timeout); $this->next_delivery_tag = 1; } /** * Confirms a selection * * @param AMQPReader $reader */ public function confirm_select_ok($reader) { } /** * Waits for pending acks and nacks from the server. * If there are no pending acks, the method returns immediately * * @param int $timeout Waits until $timeout value is reached */ public function wait_for_pending_acks($timeout = 0) { $functions = array( $this->waitHelper->get_wait('basic.ack'), $this->waitHelper->get_wait('basic.nack'), ); while (count($this->published_messages) !== 0) { if ($timeout > 0) { $this->wait($functions, true, $timeout); } else { $this->wait($functions); } } } /** * Waits for pending acks, nacks and returns from the server. If there are no pending acks, the method returns immediately. * * @param int $timeout If set to value > 0 the method will wait at most $timeout seconds for pending acks. */ public function wait_for_pending_acks_returns($timeout = 0) { $functions = array( $this->waitHelper->get_wait('basic.ack'), $this->waitHelper->get_wait('basic.nack'), $this->waitHelper->get_wait('basic.return'), ); while (count($this->published_messages) !== 0) { if ($timeout > 0) { $this->wait($functions, true, $timeout); } else { $this->wait($functions); } } } /** * Selects standard transaction mode * * @throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded * @return mixed */ public function tx_select() { $this->send_method_frame(array(90, 10)); return $this->wait(array( $this->waitHelper->get_wait('tx.select_ok') ), false, $this->channel_rpc_timeout); } /** * Confirms transaction mode * @param AMQPReader $reader */ protected function tx_select_ok($reader) { } /** * @param array $arguments * @return array */ protected function getArguments($arguments) { @trigger_error(sprintf( 'Method "%s" is deprecated, please use an array as a default argument instead', __METHOD__ ), E_USER_DEPRECATED); return (null === $arguments) ? array() : $arguments; } /** * @param int $ticket * @return int */ protected function getTicket($ticket) { return (null === $ticket) ? $this->default_ticket : $ticket; } /** * Helper method to get a particular method from $this->publishedMessages, removes it from the array and returns it. * * @param int $index * @return AMQPMessage */ protected function get_and_unset_message($index) { $message = $this->published_messages[$index]; unset($this->published_messages[$index]); return $message; } /** * Sets callback for basic_return * * @param callable $callback * @throws \InvalidArgumentException if $callback is not callable */ public function set_return_listener($callback) { if (!is_callable($callback)) { throw new \InvalidArgumentException(sprintf( 'Given callback "%s" should be callable. %s type was given.', $callback, gettype($callback) )); } $this->basic_return_callback = $callback; } /** * Sets a handler which called for any message nack'ed by the server, with the AMQPMessage as first argument. * * @param callable $callback * @throws \InvalidArgumentException */ public function set_nack_handler($callback) { if (!is_callable($callback)) { throw new \InvalidArgumentException(sprintf( 'Given callback "%s" should be callable. %s type was given.', $callback, gettype($callback) )); } $this->nack_handler = $callback; } /** * Sets a handler which called for any message ack'ed by the server, with the AMQPMessage as first argument. * * @param callable $callback * @throws \InvalidArgumentException */ public function set_ack_handler($callback) { if (!is_callable($callback)) { throw new \InvalidArgumentException(sprintf( 'Given callback "%s" should be callable. %s type was given.', $callback, gettype($callback) )); } $this->ack_handler = $callback; } } connection = $connection; $this->channel_id = $channel_id; $connection->channels[$channel_id] = $this; $this->frame_queue = array(); // Lower level queue for frames $this->method_queue = array(); // Higher level queue for methods $this->auto_decode = false; $this->msg_property_reader = new AMQPReader(null); $this->wait_content_reader = new AMQPReader(null); $this->dispatch_reader = new AMQPReader(null); $this->protocolVersion = self::getProtocolVersion(); switch ($this->protocolVersion) { case self::PROTOCOL_091: self::$PROTOCOL_CONSTANTS_CLASS = 'PhpAmqpLib\Wire\Constants091'; $c = self::$PROTOCOL_CONSTANTS_CLASS; $this->debug = new DebugHelper($c); $this->amqp_protocol_header = $c::$AMQP_PROTOCOL_HEADER; $this->protocolWriter = new Protocol091(); $this->waitHelper = new Wait091(); $this->methodMap = new MethodMap091(); break; case self::PROTOCOL_080: self::$PROTOCOL_CONSTANTS_CLASS = 'PhpAmqpLib\Wire\Constants080'; $c = self::$PROTOCOL_CONSTANTS_CLASS; $this->debug = new DebugHelper($c); $this->amqp_protocol_header = $c::$AMQP_PROTOCOL_HEADER; $this->protocolWriter = new Protocol080(); $this->waitHelper = new Wait080(); $this->methodMap = new MethodMap080(); break; default: throw new AMQPNotImplementedException(sprintf( 'Protocol: %s not implemented.', $this->protocolVersion )); } } /** * @return string * @throws AMQPOutOfRangeException */ public static function getProtocolVersion() { $protocol = defined('AMQP_PROTOCOL') ? AMQP_PROTOCOL : self::PROTOCOL_091; //adding check here to catch unknown protocol ASAP, as this method may be called from the outside if (!in_array($protocol, array(self::PROTOCOL_080, self::PROTOCOL_091), TRUE)) { throw new AMQPOutOfRangeException(sprintf('Protocol version %s not implemented.', $protocol)); } return $protocol; } /** * @return string */ public function getChannelId() { return $this->channel_id; } /** * @param int $max_bytes Max message body size for this channel * @return $this */ public function setBodySizeLimit($max_bytes) { $max_bytes = (int) $max_bytes; if ($max_bytes > 0) { $this->maxBodySize = $max_bytes; } return $this; } /** * @return AbstractConnection */ public function getConnection() { return $this->connection; } /** * @return array */ public function getMethodQueue() { return $this->method_queue; } /** * @return bool */ public function hasPendingMethods() { return !empty($this->method_queue); } /** * @param string $method_sig * @param string $args * @param AMQPMessage|null $amqpMessage * @return mixed * @throws \PhpAmqpLib\Exception\AMQPRuntimeException */ public function dispatch($method_sig, $args, $amqpMessage) { if (!$this->methodMap->valid_method($method_sig)) { throw new AMQPNotImplementedException(sprintf( 'Unknown AMQP method "%s"', $method_sig )); } $amqp_method = $this->methodMap->get_method($method_sig); if (!method_exists($this, $amqp_method)) { throw new AMQPNotImplementedException(sprintf( 'Method: "%s" not implemented by class: %s', $amqp_method, get_class($this) )); } $this->dispatch_reader->reuse($args); if ($amqpMessage == null) { return call_user_func(array($this, $amqp_method), $this->dispatch_reader); } return call_user_func(array($this, $amqp_method), $this->dispatch_reader, $amqpMessage); } /** * @param int|float|null $timeout * @return array|mixed */ public function next_frame($timeout = 0) { $this->debug->debug_msg('waiting for a new frame'); if (!empty($this->frame_queue)) { return array_shift($this->frame_queue); } return $this->connection->wait_channel($this->channel_id, $timeout); } /** * @param array $method_sig * @param \PhpAmqpLib\Wire\AMQPWriter|string $args */ protected function send_method_frame($method_sig, $args = '') { if ($this->connection === null) { throw new AMQPChannelClosedException('Channel connection is closed.'); } $this->connection->send_channel_method_frame($this->channel_id, $method_sig, $args); } /** * This is here for performance reasons to batch calls to fwrite from basic.publish * * @param array $method_sig * @param \PhpAmqpLib\Wire\AMQPWriter|string $args * @param \PhpAmqpLib\Wire\AMQPWriter $pkt * @return \PhpAmqpLib\Wire\AMQPWriter */ protected function prepare_method_frame($method_sig, $args = '', $pkt = null) { return $this->connection->prepare_channel_method_frame($this->channel_id, $method_sig, $args, $pkt); } /** * @return AMQPMessage * @throws \PhpAmqpLib\Exception\AMQPRuntimeException */ public function wait_content() { list($frame_type, $payload) = $this->next_frame(); $this->validate_header_frame($frame_type); $this->wait_content_reader->reuse(mb_substr($payload, 0, 12, 'ASCII')); $class_id = $this->wait_content_reader->read_short(); $weight = $this->wait_content_reader->read_short(); //hack to avoid creating new instances of AMQPReader; $this->msg_property_reader->reuse(mb_substr($payload, 12, mb_strlen($payload, 'ASCII') - 12, 'ASCII')); return $this->createMessage( $this->msg_property_reader, $this->wait_content_reader ); } /** * @param AMQPReader $propertyReader * @param AMQPReader $contentReader * @return \PhpAmqpLib\Message\AMQPMessage */ protected function createMessage($propertyReader, $contentReader) { $bodyChunks = array(); $bodyReceivedBytes = 0; $message = new AMQPMessage(); $message ->load_properties($propertyReader) ->setBodySize($contentReader->read_longlong()); while (bccomp($message->getBodySize(), $bodyReceivedBytes, 0) == 1) { list($frame_type, $payload) = $this->next_frame(); $this->validate_body_frame($frame_type); $bodyReceivedBytes = bcadd($bodyReceivedBytes, mb_strlen($payload, 'ASCII'), 0); if (is_int($this->maxBodySize) && $bodyReceivedBytes > $this->maxBodySize ) { $message->setIsTruncated(true); continue; } $bodyChunks[] = $payload; } $message->setBody(implode('', $bodyChunks)); return $message; } /** * Wait for some expected AMQP methods and dispatch to them. * Unexpected methods are queued up for later calls to this PHP * method. * * @param array $allowed_methods * @param bool $non_blocking * @param int|float|null $timeout * @throws \PhpAmqpLib\Exception\AMQPOutOfBoundsException * @throws \PhpAmqpLib\Exception\AMQPRuntimeException * @throws \PhpAmqpLib\Exception\AMQPTimeoutException * @throws \ErrorException * @return mixed */ public function wait($allowed_methods = null, $non_blocking = false, $timeout = 0) { $this->debug->debug_allowed_methods($allowed_methods); $deferred = $this->process_deferred_methods($allowed_methods); if ($deferred['dispatch'] === true) { return $this->dispatch_deferred_method($deferred['queued_method']); } // timeouts must be deactivated for non-blocking actions if (true === $non_blocking) { $timeout = null; } // No deferred methods? wait for new ones while (true) { try { list($frame_type, $payload) = $this->next_frame($timeout); } catch (AMQPNoDataException $e) { // no data ready for non-blocking actions - stop and exit break; } catch (AMQPConnectionClosedException $exception) { if ($this instanceof AMQPChannel) { $this->do_close(); } throw $exception; } $this->validate_method_frame($frame_type); $this->validate_frame_payload($payload); $method_sig = $this->build_method_signature($payload); $args = $this->extract_args($payload); $this->debug->debug_method_signature('> %s', $method_sig); $amqpMessage = $this->maybe_wait_for_content($method_sig); if ($this->should_dispatch_method($allowed_methods, $method_sig)) { return $this->dispatch($method_sig, $args, $amqpMessage); } // Wasn't what we were looking for? save it for later $this->debug->debug_method_signature('Queueing for later: %s', $method_sig); $this->method_queue[] = array($method_sig, $args, $amqpMessage); if ($non_blocking) { break; } } } /** * @param array $allowed_methods * @return array */ protected function process_deferred_methods($allowed_methods) { $dispatch = false; $queued_method = array(); foreach ($this->method_queue as $qk => $qm) { $this->debug->debug_msg('checking queue method ' . $qk); $method_sig = $qm[0]; if ($allowed_methods == null || in_array($method_sig, $allowed_methods)) { unset($this->method_queue[$qk]); $dispatch = true; $queued_method = $qm; break; } } return array('dispatch' => $dispatch, 'queued_method' => $queued_method); } /** * @param array $queued_method * @return mixed */ protected function dispatch_deferred_method($queued_method) { $this->debug->debug_method_signature('Executing queued method: %s', $queued_method[0]); return $this->dispatch($queued_method[0], $queued_method[1], $queued_method[2]); } /** * @param int $frame_type * @throws \PhpAmqpLib\Exception\AMQPInvalidFrameException */ protected function validate_method_frame($frame_type) { $this->validate_frame($frame_type, 1, 'AMQP method'); } /** * @param int $frame_type * @throws \PhpAmqpLib\Exception\AMQPInvalidFrameException */ protected function validate_header_frame($frame_type) { $this->validate_frame($frame_type, 2, 'AMQP Content header'); } /** * @param int $frame_type * @throws \PhpAmqpLib\Exception\AMQPInvalidFrameException */ protected function validate_body_frame($frame_type) { $this->validate_frame($frame_type, 3, 'AMQP Content body'); } /** * @param int $frameType * @param int $expectedType * @param string $expectedMessage */ protected function validate_frame($frameType, $expectedType, $expectedMessage) { if ($frameType != $expectedType) { $protocolClass = self::$PROTOCOL_CONSTANTS_CLASS; throw new AMQPInvalidFrameException(sprintf( 'Expecting %s, received frame type %s (%s)', $expectedMessage, $frameType, $protocolClass::$FRAME_TYPES[$frameType] )); } } /** * @param string $payload * @throws \PhpAmqpLib\Exception\AMQPOutOfBoundsException */ protected function validate_frame_payload($payload) { if (mb_strlen($payload, 'ASCII') < 4) { throw new AMQPOutOfBoundsException('Method frame too short'); } } /** * @param string $payload * @return string */ protected function build_method_signature($payload) { $method_sig_array = unpack('n2', mb_substr($payload, 0, 4, 'ASCII')); return sprintf('%s,%s', $method_sig_array[1], $method_sig_array[2]); } /** * @param string $payload * @return string */ protected function extract_args($payload) { return mb_substr($payload, 4, mb_strlen($payload, 'ASCII') - 4, 'ASCII'); } /** * @param array|null $allowed_methods * @param string $method_sig * @return bool */ protected function should_dispatch_method($allowed_methods, $method_sig) { $protocolClass = self::$PROTOCOL_CONSTANTS_CLASS; return $allowed_methods == null || in_array($method_sig, $allowed_methods) || in_array($method_sig, $protocolClass::$CLOSE_METHODS); } /** * @param string $method_sig * @return AMQPMessage|null */ protected function maybe_wait_for_content($method_sig) { $protocolClass = self::$PROTOCOL_CONSTANTS_CLASS; $amqpMessage = null; if (in_array($method_sig, $protocolClass::$CONTENT_METHODS)) { $amqpMessage = $this->wait_content(); } return $amqpMessage; } /** * @param callable $handler * @param array $arguments */ protected function dispatch_to_handler($handler, array $arguments) { if (is_callable($handler)) { call_user_func_array($handler, $arguments); } } } * @author Peter Waller * @link http://aidanlister.com/repos/v/function.hexdump.php * * @param string $data The string to be dumped * @param bool $htmloutput Set to false for non-HTML output * @param bool $uppercase Set to true for uppercase hex * @param bool $return Set to true to return the dump * @return string|null */ public static function hexdump($data, $htmloutput = true, $uppercase = false, $return = false) { // Init $hexi = ''; $ascii = ''; $dump = $htmloutput ? '
' : '';
        $offset = 0;
        $len = mb_strlen($data, 'ASCII');

        // Upper or lower case hexidecimal
        $hexFormat = $uppercase ? 'X' : 'x';

        // Iterate string
        for ($i = $j = 0; $i < $len; $i++) {
            // Convert to hexidecimal
            // We must use concatenation here because the $hexFormat value
            // is needed for sprintf() to parse the format
            $hexi .= sprintf('%02' .  $hexFormat . ' ', ord($data[$i]));

            // Replace non-viewable bytes with '.'
            if (ord($data[$i]) >= 32) {
                $ascii .= $htmloutput ? htmlentities($data[$i]) : $data[$i];
            } else {
                $ascii .= '.';
            }

            // Add extra column spacing
            if ($j === 7) {
                $hexi .= ' ';
                $ascii .= ' ';
            }

            // Add row
            if (++$j === 16 || $i === $len - 1) {
                // Join the hexi / ascii output
                // We must use concatenation here because the $hexFormat value
                // is needed for sprintf() to parse the format
                $dump .= sprintf('%04' . $hexFormat . '  %-49s  %s', $offset, $hexi, $ascii);

                // Reset vars
                $hexi = $ascii = '';
                $offset += 16;
                $j = 0;

                // Add newline
                if ($i !== $len - 1) {
                    $dump .= PHP_EOL;
                }
            }
        }

        // Finish dump
        $dump .= $htmloutput ? '
' : ''; $dump .= PHP_EOL; if ($return) { return $dump; } echo $dump; } /** * @param array $table * @return string */ public static function dump_table($table) { $tokens = array(); foreach ($table as $name => $value) { switch ($value[0]) { case 'D': $val = $value[1]->n . 'E' . $value[1]->e; break; case 'F': $val = '(' . self::dump_table($value[1]) . ')'; break; case 'T': $val = date('Y-m-d H:i:s', $value[1]); break; default: $val = $value[1]; } $tokens[] = $name . '=' . $val; } return implode(', ', $tokens); } } write_octet($version_major); $writer->write_octet($version_minor); $writer->write_table(empty($server_properties) ? array() : $server_properties); $writer->write_longstr($mechanisms); $writer->write_longstr($locales); return array(10, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionStartOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_table(); $response[] = $reader->read_shortstr(); $response[] = $reader->read_longstr(); $response[] = $reader->read_shortstr(); return $response; } /** * @param string $challenge * @return array */ public function connectionSecure($challenge) { $writer = new AMQPWriter(); $writer->write_longstr($challenge); return array(10, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionSecureOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_longstr(); return $response; } /** * @param int $channel_max * @param int $frame_max * @param int $heartbeat * @return array */ public function connectionTune($channel_max = 0, $frame_max = 0, $heartbeat = 0) { $writer = new AMQPWriter(); $writer->write_short($channel_max); $writer->write_long($frame_max); $writer->write_short($heartbeat); return array(10, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionTuneOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_short(); $response[] = $reader->read_long(); $response[] = $reader->read_short(); return $response; } /** * @param string $virtual_host * @param string $capabilities * @param bool $insist * @return array */ public function connectionOpen($virtual_host = '/', $capabilities = '', $insist = false) { $writer = new AMQPWriter(); $writer->write_shortstr($virtual_host); $writer->write_shortstr($capabilities); $writer->write_bits(array($insist)); return array(10, 40, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionOpenOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param int $reply_code * @param string $reply_text * @param int $class_id * @param int $method_id * @return array */ public function connectionClose($reply_code, $reply_text = '', $class_id, $method_id) { $writer = new AMQPWriter(); $writer->write_short($reply_code); $writer->write_shortstr($reply_text); $writer->write_short($class_id); $writer->write_short($method_id); return array(10, 50, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionCloseOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param string $reason * @return array */ public function connectionBlocked($reason = '') { $writer = new AMQPWriter(); $writer->write_shortstr($reason); return array(10, 60, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionUnblocked(AMQPReader $reader) { $response = array(); return $response; } /** * @param string $out_of_band * @return array */ public function channelOpen($out_of_band = '') { $writer = new AMQPWriter(); $writer->write_shortstr($out_of_band); return array(20, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function channelOpenOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_longstr(); return $response; } /** * @param bool $active * @return array */ public function channelFlow($active) { $writer = new AMQPWriter(); $writer->write_bits(array($active)); return array(20, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function channelFlowOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_bit(); return $response; } /** * @param int $reply_code * @param string $reply_text * @param int $class_id * @param int $method_id * @return array */ public function channelClose($reply_code, $reply_text = '', $class_id, $method_id) { $writer = new AMQPWriter(); $writer->write_short($reply_code); $writer->write_shortstr($reply_text); $writer->write_short($class_id); $writer->write_short($method_id); return array(20, 40, $writer); } /** * @param AMQPReader $reader * @return array */ public static function channelCloseOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param string $realm * @param bool $exclusive * @param bool $passive * @param bool $active * @param bool $write * @param bool $read * @return array */ public function accessRequest($realm = '/data', $exclusive = false, $passive = true, $active = true, $write = true, $read = true) { $writer = new AMQPWriter(); $writer->write_shortstr($realm); $writer->write_bits(array($exclusive, $passive, $active, $write, $read)); return array(30, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function accessRequestOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_short(); return $response; } /** * @param int $ticket * @param string $exchange * @param string $type * @param bool $passive * @param bool $durable * @param bool $auto_delete * @param bool $internal * @param bool $nowait * @param array $arguments * @return array */ public function exchangeDeclare($ticket = 0, $exchange, $type = 'direct', $passive = false, $durable = false, $auto_delete = false, $internal = false, $nowait = false, $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($exchange); $writer->write_shortstr($type); $writer->write_bits(array($passive, $durable, $auto_delete, $internal, $nowait)); $writer->write_table(empty($arguments) ? array() : $arguments); return array(40, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function exchangeDeclareOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $exchange * @param bool $if_unused * @param bool $nowait * @return array */ public function exchangeDelete($ticket = 0, $exchange, $if_unused = false, $nowait = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($exchange); $writer->write_bits(array($if_unused, $nowait)); return array(40, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function exchangeDeleteOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $destination * @param string $source * @param string $routing_key * @param bool $nowait * @param array $arguments * @return array */ public function exchangeBind($ticket = 0, $destination, $source, $routing_key = '', $nowait = false, $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($destination); $writer->write_shortstr($source); $writer->write_shortstr($routing_key); $writer->write_bits(array($nowait)); $writer->write_table(empty($arguments) ? array() : $arguments); return array(40, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function exchangeBindOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $destination * @param string $source * @param string $routing_key * @param bool $nowait * @param array $arguments * @return array */ public function exchangeUnbind($ticket = 0, $destination, $source, $routing_key = '', $nowait = false, $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($destination); $writer->write_shortstr($source); $writer->write_shortstr($routing_key); $writer->write_bits(array($nowait)); $writer->write_table(empty($arguments) ? array() : $arguments); return array(40, 40, $writer); } /** * @param AMQPReader $reader * @return array */ public static function exchangeUnbindOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $queue * @param bool $passive * @param bool $durable * @param bool $exclusive * @param bool $auto_delete * @param bool $nowait * @param array $arguments * @return array */ public function queueDeclare($ticket = 0, $queue = '', $passive = false, $durable = false, $exclusive = false, $auto_delete = false, $nowait = false, $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_bits(array($passive, $durable, $exclusive, $auto_delete, $nowait)); $writer->write_table(empty($arguments) ? array() : $arguments); return array(50, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function queueDeclareOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); $response[] = $reader->read_long(); $response[] = $reader->read_long(); return $response; } /** * @param int $ticket * @param string $queue * @param string $exchange * @param string $routing_key * @param bool $nowait * @param array $arguments * @return array */ public function queueBind($ticket = 0, $queue = '', $exchange, $routing_key = '', $nowait = false, $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); $writer->write_bits(array($nowait)); $writer->write_table(empty($arguments) ? array() : $arguments); return array(50, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function queueBindOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $queue * @param bool $nowait * @return array */ public function queuePurge($ticket = 0, $queue = '', $nowait = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_bits(array($nowait)); return array(50, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function queuePurgeOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_long(); return $response; } /** * @param int $ticket * @param string $queue * @param bool $if_unused * @param bool $if_empty * @param bool $nowait * @return array */ public function queueDelete($ticket = 0, $queue = '', $if_unused = false, $if_empty = false, $nowait = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_bits(array($if_unused, $if_empty, $nowait)); return array(50, 40, $writer); } /** * @param AMQPReader $reader * @return array */ public static function queueDeleteOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_long(); return $response; } /** * @param int $ticket * @param string $queue * @param string $exchange * @param string $routing_key * @param array $arguments * @return array */ public function queueUnbind($ticket = 0, $queue = '', $exchange, $routing_key = '', $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); $writer->write_table(empty($arguments) ? array() : $arguments); return array(50, 50, $writer); } /** * @param AMQPReader $reader * @return array */ public static function queueUnbindOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $prefetch_size * @param int $prefetch_count * @param bool $global * @return array */ public function basicQos($prefetch_size = 0, $prefetch_count = 0, $global = false) { $writer = new AMQPWriter(); $writer->write_long($prefetch_size); $writer->write_short($prefetch_count); $writer->write_bits(array($global)); return array(60, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function basicQosOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $queue * @param string $consumer_tag * @param bool $no_local * @param bool $no_ack * @param bool $exclusive * @param bool $nowait * @param array $arguments * @return array */ public function basicConsume($ticket = 0, $queue = '', $consumer_tag = '', $no_local = false, $no_ack = false, $exclusive = false, $nowait = false, $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_shortstr($consumer_tag); $writer->write_bits(array($no_local, $no_ack, $exclusive, $nowait)); $writer->write_table(empty($arguments) ? array() : $arguments); return array(60, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function basicConsumeOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param string $consumer_tag * @param bool $nowait * @return array */ public function basicCancel($consumer_tag, $nowait = false) { $writer = new AMQPWriter(); $writer->write_shortstr($consumer_tag); $writer->write_bits(array($nowait)); return array(60, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function basicCancelOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param int $ticket * @param string $exchange * @param string $routing_key * @param bool $mandatory * @param bool $immediate * @return array */ public function basicPublish($ticket = 0, $exchange = '', $routing_key = '', $mandatory = false, $immediate = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); $writer->write_bits(array($mandatory, $immediate)); return array(60, 40, $writer); } /** * @param int $reply_code * @param string $reply_text * @param string $exchange * @param string $routing_key * @return array */ public function basicReturn($reply_code, $reply_text = '', $exchange, $routing_key) { $writer = new AMQPWriter(); $writer->write_short($reply_code); $writer->write_shortstr($reply_text); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); return array(60, 50, $writer); } /** * @param string $consumer_tag * @param int $delivery_tag * @param bool $redelivered * @param string $exchange * @param string $routing_key * @return array */ public function basicDeliver($consumer_tag, $delivery_tag, $redelivered = false, $exchange, $routing_key) { $writer = new AMQPWriter(); $writer->write_shortstr($consumer_tag); $writer->write_longlong($delivery_tag); $writer->write_bits(array($redelivered)); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); return array(60, 60, $writer); } /** * @param int $ticket * @param string $queue * @param bool $no_ack * @return array */ public function basicGet($ticket = 0, $queue = '', $no_ack = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_bits(array($no_ack)); return array(60, 70, $writer); } /** * @param AMQPReader $reader * @return array */ public static function basicGetOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_longlong(); $response[] = $reader->read_bit(); $response[] = $reader->read_shortstr(); $response[] = $reader->read_shortstr(); $response[] = $reader->read_long(); return $response; } /** * @param AMQPReader $reader * @return array */ public static function basicGetEmpty(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param int $delivery_tag * @param bool $multiple * @return array */ public function basicAck($delivery_tag = 0, $multiple = false) { $writer = new AMQPWriter(); $writer->write_longlong($delivery_tag); $writer->write_bits(array($multiple)); return array(60, 80, $writer); } /** * @param int $delivery_tag * @param bool $requeue * @return array */ public function basicReject($delivery_tag, $requeue = true) { $writer = new AMQPWriter(); $writer->write_longlong($delivery_tag); $writer->write_bits(array($requeue)); return array(60, 90, $writer); } /** * @param bool $requeue * @return array */ public function basicRecoverAsync($requeue = false) { $writer = new AMQPWriter(); $writer->write_bits(array($requeue)); return array(60, 100, $writer); } /** * @param bool $requeue * @return array */ public function basicRecover($requeue = false) { $writer = new AMQPWriter(); $writer->write_bits(array($requeue)); return array(60, 110, $writer); } /** * @param AMQPReader $reader * @return array */ public static function basicRecoverOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $delivery_tag * @param bool $multiple * @param bool $requeue * @return array */ public function basicNack($delivery_tag = 0, $multiple = false, $requeue = true) { $writer = new AMQPWriter(); $writer->write_longlong($delivery_tag); $writer->write_bits(array($multiple, $requeue)); return array(60, 120, $writer); } /** * @return array */ public function txSelect() { $writer = new AMQPWriter(); return array(90, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function txSelectOk(AMQPReader $reader) { $response = array(); return $response; } /** * @return array */ public function txCommit() { $writer = new AMQPWriter(); return array(90, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function txCommitOk(AMQPReader $reader) { $response = array(); return $response; } /** * @return array */ public function txRollback() { $writer = new AMQPWriter(); return array(90, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function txRollbackOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param bool $nowait * @return array */ public function confirmSelect($nowait = false) { $writer = new AMQPWriter(); $writer->write_bits(array($nowait)); return array(85, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function confirmSelectOk(AMQPReader $reader) { $response = array(); return $response; } } write_octet($version_major); $writer->write_octet($version_minor); $writer->write_table(empty($server_properties) ? array() : $server_properties); $writer->write_longstr($mechanisms); $writer->write_longstr($locales); return array(10, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionStartOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_table(); $response[] = $reader->read_shortstr(); $response[] = $reader->read_longstr(); $response[] = $reader->read_shortstr(); return $response; } /** * @param string $challenge * @return array */ public function connectionSecure($challenge) { $writer = new AMQPWriter(); $writer->write_longstr($challenge); return array(10, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionSecureOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_longstr(); return $response; } /** * @param int $channel_max * @param int $frame_max * @param int $heartbeat * @return array */ public function connectionTune($channel_max = 0, $frame_max = 0, $heartbeat = 0) { $writer = new AMQPWriter(); $writer->write_short($channel_max); $writer->write_long($frame_max); $writer->write_short($heartbeat); return array(10, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionTuneOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_short(); $response[] = $reader->read_long(); $response[] = $reader->read_short(); return $response; } /** * @param string $virtual_host * @param string $capabilities * @param bool $insist * @return array */ public function connectionOpen($virtual_host = '/', $capabilities = '', $insist = false) { $writer = new AMQPWriter(); $writer->write_shortstr($virtual_host); $writer->write_shortstr($capabilities); $writer->write_bits(array($insist)); return array(10, 40, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionOpenOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param string $host * @param string $known_hosts * @return array */ public function connectionRedirect($host, $known_hosts = '') { $writer = new AMQPWriter(); $writer->write_shortstr($host); $writer->write_shortstr($known_hosts); return array(10, 50, $writer); } /** * @param int $reply_code * @param string $reply_text * @param int $class_id * @param int $method_id * @return array */ public function connectionClose($reply_code, $reply_text = '', $class_id, $method_id) { $writer = new AMQPWriter(); $writer->write_short($reply_code); $writer->write_shortstr($reply_text); $writer->write_short($class_id); $writer->write_short($method_id); return array(10, 60, $writer); } /** * @param AMQPReader $reader * @return array */ public static function connectionCloseOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param string $out_of_band * @return array */ public function channelOpen($out_of_band = '') { $writer = new AMQPWriter(); $writer->write_shortstr($out_of_band); return array(20, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function channelOpenOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param bool $active * @return array */ public function channelFlow($active) { $writer = new AMQPWriter(); $writer->write_bits(array($active)); return array(20, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function channelFlowOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_bit(); return $response; } /** * @param int $reply_code * @param string $reply_text * @param array $details * @return array */ public function channelAlert($reply_code, $reply_text = '', $details = array()) { $writer = new AMQPWriter(); $writer->write_short($reply_code); $writer->write_shortstr($reply_text); $writer->write_table(empty($details) ? array() : $details); return array(20, 30, $writer); } /** * @param int $reply_code * @param string $reply_text * @param int $class_id * @param int $method_id * @return array */ public function channelClose($reply_code, $reply_text = '', $class_id, $method_id) { $writer = new AMQPWriter(); $writer->write_short($reply_code); $writer->write_shortstr($reply_text); $writer->write_short($class_id); $writer->write_short($method_id); return array(20, 40, $writer); } /** * @param AMQPReader $reader * @return array */ public static function channelCloseOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param string $realm * @param bool $exclusive * @param bool $passive * @param bool $active * @param bool $write * @param bool $read * @return array */ public function accessRequest($realm = '/data', $exclusive = false, $passive = true, $active = true, $write = true, $read = true) { $writer = new AMQPWriter(); $writer->write_shortstr($realm); $writer->write_bits(array($exclusive, $passive, $active, $write, $read)); return array(30, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function accessRequestOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_short(); return $response; } /** * @param int $ticket * @param string $exchange * @param string $type * @param bool $passive * @param bool $durable * @param bool $auto_delete * @param bool $internal * @param bool $nowait * @param array $arguments * @return array */ public function exchangeDeclare($ticket = 1, $exchange, $type = 'direct', $passive = false, $durable = false, $auto_delete = false, $internal = false, $nowait = false, $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($exchange); $writer->write_shortstr($type); $writer->write_bits(array($passive, $durable, $auto_delete, $internal, $nowait)); $writer->write_table(empty($arguments) ? array() : $arguments); return array(40, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function exchangeDeclareOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $exchange * @param bool $if_unused * @param bool $nowait * @return array */ public function exchangeDelete($ticket = 1, $exchange, $if_unused = false, $nowait = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($exchange); $writer->write_bits(array($if_unused, $nowait)); return array(40, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function exchangeDeleteOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $queue * @param bool $passive * @param bool $durable * @param bool $exclusive * @param bool $auto_delete * @param bool $nowait * @param array $arguments * @return array */ public function queueDeclare($ticket = 1, $queue = '', $passive = false, $durable = false, $exclusive = false, $auto_delete = false, $nowait = false, $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_bits(array($passive, $durable, $exclusive, $auto_delete, $nowait)); $writer->write_table(empty($arguments) ? array() : $arguments); return array(50, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function queueDeclareOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); $response[] = $reader->read_long(); $response[] = $reader->read_long(); return $response; } /** * @param int $ticket * @param string $queue * @param string $exchange * @param string $routing_key * @param bool $nowait * @param array $arguments * @return array */ public function queueBind($ticket = 1, $queue = '', $exchange, $routing_key = '', $nowait = false, $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); $writer->write_bits(array($nowait)); $writer->write_table(empty($arguments) ? array() : $arguments); return array(50, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function queueBindOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $queue * @param bool $nowait * @return array */ public function queuePurge($ticket = 1, $queue = '', $nowait = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_bits(array($nowait)); return array(50, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function queuePurgeOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_long(); return $response; } /** * @param int $ticket * @param string $queue * @param bool $if_unused * @param bool $if_empty * @param bool $nowait * @return array */ public function queueDelete($ticket = 1, $queue = '', $if_unused = false, $if_empty = false, $nowait = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_bits(array($if_unused, $if_empty, $nowait)); return array(50, 40, $writer); } /** * @param AMQPReader $reader * @return array */ public static function queueDeleteOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_long(); return $response; } /** * @param int $ticket * @param string $queue * @param string $exchange * @param string $routing_key * @param array $arguments * @return array */ public function queueUnbind($ticket = 1, $queue = '', $exchange, $routing_key = '', $arguments = array()) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); $writer->write_table(empty($arguments) ? array() : $arguments); return array(50, 50, $writer); } /** * @param AMQPReader $reader * @return array */ public static function queueUnbindOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $prefetch_size * @param int $prefetch_count * @param bool $global * @return array */ public function basicQos($prefetch_size = 0, $prefetch_count = 0, $global = false) { $writer = new AMQPWriter(); $writer->write_long($prefetch_size); $writer->write_short($prefetch_count); $writer->write_bits(array($global)); return array(60, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function basicQosOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $queue * @param string $consumer_tag * @param bool $no_local * @param bool $no_ack * @param bool $exclusive * @param bool $nowait * @return array */ public function basicConsume($ticket = 1, $queue = '', $consumer_tag = '', $no_local = false, $no_ack = false, $exclusive = false, $nowait = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_shortstr($consumer_tag); $writer->write_bits(array($no_local, $no_ack, $exclusive, $nowait)); return array(60, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function basicConsumeOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param string $consumer_tag * @param bool $nowait * @return array */ public function basicCancel($consumer_tag, $nowait = false) { $writer = new AMQPWriter(); $writer->write_shortstr($consumer_tag); $writer->write_bits(array($nowait)); return array(60, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function basicCancelOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param int $ticket * @param string $exchange * @param string $routing_key * @param bool $mandatory * @param bool $immediate * @return array */ public function basicPublish($ticket = 1, $exchange = '', $routing_key = '', $mandatory = false, $immediate = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); $writer->write_bits(array($mandatory, $immediate)); return array(60, 40, $writer); } /** * @param int $reply_code * @param string $reply_text * @param string $exchange * @param string $routing_key * @return array */ public function basicReturn($reply_code, $reply_text = '', $exchange, $routing_key) { $writer = new AMQPWriter(); $writer->write_short($reply_code); $writer->write_shortstr($reply_text); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); return array(60, 50, $writer); } /** * @param string $consumer_tag * @param int $delivery_tag * @param bool $redelivered * @param string $exchange * @param string $routing_key * @return array */ public function basicDeliver($consumer_tag, $delivery_tag, $redelivered = false, $exchange, $routing_key) { $writer = new AMQPWriter(); $writer->write_shortstr($consumer_tag); $writer->write_longlong($delivery_tag); $writer->write_bits(array($redelivered)); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); return array(60, 60, $writer); } /** * @param int $ticket * @param string $queue * @param bool $no_ack * @return array */ public function basicGet($ticket = 1, $queue = '', $no_ack = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_bits(array($no_ack)); return array(60, 70, $writer); } /** * @param AMQPReader $reader * @return array */ public static function basicGetOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_longlong(); $response[] = $reader->read_bit(); $response[] = $reader->read_shortstr(); $response[] = $reader->read_shortstr(); $response[] = $reader->read_long(); return $response; } /** * @param AMQPReader $reader * @return array */ public static function basicGetEmpty(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param int $delivery_tag * @param bool $multiple * @return array */ public function basicAck($delivery_tag = 0, $multiple = false) { $writer = new AMQPWriter(); $writer->write_longlong($delivery_tag); $writer->write_bits(array($multiple)); return array(60, 80, $writer); } /** * @param int $delivery_tag * @param bool $requeue * @return array */ public function basicReject($delivery_tag, $requeue = true) { $writer = new AMQPWriter(); $writer->write_longlong($delivery_tag); $writer->write_bits(array($requeue)); return array(60, 90, $writer); } /** * @param bool $requeue * @return array */ public function basicRecoverAsync($requeue = false) { $writer = new AMQPWriter(); $writer->write_bits(array($requeue)); return array(60, 100, $writer); } /** * @param bool $requeue * @return array */ public function basicRecover($requeue = false) { $writer = new AMQPWriter(); $writer->write_bits(array($requeue)); return array(60, 110, $writer); } /** * @param AMQPReader $reader * @return array */ public static function basicRecoverOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $prefetch_size * @param int $prefetch_count * @param bool $global * @return array */ public function fileQos($prefetch_size = 0, $prefetch_count = 0, $global = false) { $writer = new AMQPWriter(); $writer->write_long($prefetch_size); $writer->write_short($prefetch_count); $writer->write_bits(array($global)); return array(70, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function fileQosOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $queue * @param string $consumer_tag * @param bool $no_local * @param bool $no_ack * @param bool $exclusive * @param bool $nowait * @return array */ public function fileConsume($ticket = 1, $queue = '', $consumer_tag = '', $no_local = false, $no_ack = false, $exclusive = false, $nowait = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_shortstr($consumer_tag); $writer->write_bits(array($no_local, $no_ack, $exclusive, $nowait)); return array(70, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function fileConsumeOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param string $consumer_tag * @param bool $nowait * @return array */ public function fileCancel($consumer_tag, $nowait = false) { $writer = new AMQPWriter(); $writer->write_shortstr($consumer_tag); $writer->write_bits(array($nowait)); return array(70, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function fileCancelOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param string $identifier * @param int $content_size * @return array */ public function fileOpen($identifier, $content_size) { $writer = new AMQPWriter(); $writer->write_shortstr($identifier); $writer->write_longlong($content_size); return array(70, 40, $writer); } /** * @param AMQPReader $reader * @return array */ public static function fileOpenOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_longlong(); return $response; } /** * @return array */ public function fileStage() { $writer = new AMQPWriter(); return array(70, 50, $writer); } /** * @param int $ticket * @param string $exchange * @param string $routing_key * @param bool $mandatory * @param bool $immediate * @param string $identifier * @return array */ public function filePublish($ticket = 1, $exchange = '', $routing_key = '', $mandatory = false, $immediate = false, $identifier) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); $writer->write_bits(array($mandatory, $immediate)); $writer->write_shortstr($identifier); return array(70, 60, $writer); } /** * @param int $reply_code * @param string $reply_text * @param string $exchange * @param string $routing_key * @return array */ public function fileReturn($reply_code = 200, $reply_text = '', $exchange, $routing_key) { $writer = new AMQPWriter(); $writer->write_short($reply_code); $writer->write_shortstr($reply_text); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); return array(70, 70, $writer); } /** * @param string $consumer_tag * @param int $delivery_tag * @param bool $redelivered * @param string $exchange * @param string $routing_key * @param string $identifier * @return array */ public function fileDeliver($consumer_tag, $delivery_tag, $redelivered = false, $exchange, $routing_key, $identifier) { $writer = new AMQPWriter(); $writer->write_shortstr($consumer_tag); $writer->write_longlong($delivery_tag); $writer->write_bits(array($redelivered)); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); $writer->write_shortstr($identifier); return array(70, 80, $writer); } /** * @param int $delivery_tag * @param bool $multiple * @return array */ public function fileAck($delivery_tag = 0, $multiple = false) { $writer = new AMQPWriter(); $writer->write_longlong($delivery_tag); $writer->write_bits(array($multiple)); return array(70, 90, $writer); } /** * @param int $delivery_tag * @param bool $requeue * @return array */ public function fileReject($delivery_tag, $requeue = true) { $writer = new AMQPWriter(); $writer->write_longlong($delivery_tag); $writer->write_bits(array($requeue)); return array(70, 100, $writer); } /** * @param int $prefetch_size * @param int $prefetch_count * @param int $consume_rate * @param bool $global * @return array */ public function streamQos($prefetch_size = 0, $prefetch_count = 0, $consume_rate = 0, $global = false) { $writer = new AMQPWriter(); $writer->write_long($prefetch_size); $writer->write_short($prefetch_count); $writer->write_long($consume_rate); $writer->write_bits(array($global)); return array(80, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function streamQosOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param int $ticket * @param string $queue * @param string $consumer_tag * @param bool $no_local * @param bool $exclusive * @param bool $nowait * @return array */ public function streamConsume($ticket = 1, $queue = '', $consumer_tag = '', $no_local = false, $exclusive = false, $nowait = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($queue); $writer->write_shortstr($consumer_tag); $writer->write_bits(array($no_local, $exclusive, $nowait)); return array(80, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function streamConsumeOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param string $consumer_tag * @param bool $nowait * @return array */ public function streamCancel($consumer_tag, $nowait = false) { $writer = new AMQPWriter(); $writer->write_shortstr($consumer_tag); $writer->write_bits(array($nowait)); return array(80, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function streamCancelOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_shortstr(); return $response; } /** * @param int $ticket * @param string $exchange * @param string $routing_key * @param bool $mandatory * @param bool $immediate * @return array */ public function streamPublish($ticket = 1, $exchange = '', $routing_key = '', $mandatory = false, $immediate = false) { $writer = new AMQPWriter(); $writer->write_short($ticket); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); $writer->write_bits(array($mandatory, $immediate)); return array(80, 40, $writer); } /** * @param int $reply_code * @param string $reply_text * @param string $exchange * @param string $routing_key * @return array */ public function streamReturn($reply_code = 200, $reply_text = '', $exchange, $routing_key) { $writer = new AMQPWriter(); $writer->write_short($reply_code); $writer->write_shortstr($reply_text); $writer->write_shortstr($exchange); $writer->write_shortstr($routing_key); return array(80, 50, $writer); } /** * @param string $consumer_tag * @param int $delivery_tag * @param string $exchange * @param string $queue * @return array */ public function streamDeliver($consumer_tag, $delivery_tag, $exchange, $queue) { $writer = new AMQPWriter(); $writer->write_shortstr($consumer_tag); $writer->write_longlong($delivery_tag); $writer->write_shortstr($exchange); $writer->write_shortstr($queue); return array(80, 60, $writer); } /** * @return array */ public function txSelect() { $writer = new AMQPWriter(); return array(90, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function txSelectOk(AMQPReader $reader) { $response = array(); return $response; } /** * @return array */ public function txCommit() { $writer = new AMQPWriter(); return array(90, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function txCommitOk(AMQPReader $reader) { $response = array(); return $response; } /** * @return array */ public function txRollback() { $writer = new AMQPWriter(); return array(90, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function txRollbackOk(AMQPReader $reader) { $response = array(); return $response; } /** * @return array */ public function dtxSelect() { $writer = new AMQPWriter(); return array(100, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function dtxSelectOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param string $dtx_identifier * @return array */ public function dtxStart($dtx_identifier) { $writer = new AMQPWriter(); $writer->write_shortstr($dtx_identifier); return array(100, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function dtxStartOk(AMQPReader $reader) { $response = array(); return $response; } /** * @param mixed $meta_data * @return array */ public function tunnelRequest($meta_data) { $writer = new AMQPWriter(); $writer->write_table(empty($meta_data) ? array() : $meta_data); return array(110, 10, $writer); } /** * @param mixed $integer_1 * @param int $integer_2 * @param int $integer_3 * @param int $integer_4 * @param mixed $operation * @return array */ public function testInteger($integer_1, $integer_2, $integer_3, $integer_4, $operation) { $writer = new AMQPWriter(); $writer->write_octet($integer_1); $writer->write_short($integer_2); $writer->write_long($integer_3); $writer->write_longlong($integer_4); $writer->write_octet($operation); return array(120, 10, $writer); } /** * @param AMQPReader $reader * @return array */ public static function testIntegerOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_longlong(); return $response; } /** * @param string $string_1 * @param string $string_2 * @param mixed $operation * @return array */ public function testString($string_1, $string_2, $operation) { $writer = new AMQPWriter(); $writer->write_shortstr($string_1); $writer->write_longstr($string_2); $writer->write_octet($operation); return array(120, 20, $writer); } /** * @param AMQPReader $reader * @return array */ public static function testStringOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_longstr(); return $response; } /** * @param mixed $table * @param mixed $integer_op * @param mixed $string_op * @return array */ public function testTable($table, $integer_op, $string_op) { $writer = new AMQPWriter(); $writer->write_table(empty($table) ? array() : $table); $writer->write_octet($integer_op); $writer->write_octet($string_op); return array(120, 30, $writer); } /** * @param AMQPReader $reader * @return array */ public static function testTableOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_longlong(); $response[] = $reader->read_longstr(); return $response; } /** * @return array */ public function testContent() { $writer = new AMQPWriter(); return array(120, 40, $writer); } /** * @param AMQPReader $reader * @return array */ public static function testContentOk(AMQPReader $reader) { $response = array(); $response[] = $reader->read_long(); return $response; } } '10,10', 'connection.start_ok' => '10,11', 'connection.secure' => '10,20', 'connection.secure_ok' => '10,21', 'connection.tune' => '10,30', 'connection.tune_ok' => '10,31', 'connection.open' => '10,40', 'connection.open_ok' => '10,41', 'connection.close' => '10,50', 'connection.close_ok' => '10,51', 'connection.blocked' => '10,60', 'connection.unblocked' => '10,61', 'channel.open' => '20,10', 'channel.open_ok' => '20,11', 'channel.flow' => '20,20', 'channel.flow_ok' => '20,21', 'channel.close' => '20,40', 'channel.close_ok' => '20,41', 'access.request' => '30,10', 'access.request_ok' => '30,11', 'exchange.declare' => '40,10', 'exchange.declare_ok' => '40,11', 'exchange.delete' => '40,20', 'exchange.delete_ok' => '40,21', 'exchange.bind' => '40,30', 'exchange.bind_ok' => '40,31', 'exchange.unbind' => '40,40', 'exchange.unbind_ok' => '40,51', 'queue.declare' => '50,10', 'queue.declare_ok' => '50,11', 'queue.bind' => '50,20', 'queue.bind_ok' => '50,21', 'queue.purge' => '50,30', 'queue.purge_ok' => '50,31', 'queue.delete' => '50,40', 'queue.delete_ok' => '50,41', 'queue.unbind' => '50,50', 'queue.unbind_ok' => '50,51', 'basic.qos' => '60,10', 'basic.qos_ok' => '60,11', 'basic.consume' => '60,20', 'basic.consume_ok' => '60,21', 'basic.cancel' => '60,30', 'basic.cancel_ok' => '60,31', 'basic.publish' => '60,40', 'basic.return' => '60,50', 'basic.deliver' => '60,60', 'basic.get' => '60,70', 'basic.get_ok' => '60,71', 'basic.get_empty' => '60,72', 'basic.ack' => '60,80', 'basic.reject' => '60,90', 'basic.recover_async' => '60,100', 'basic.recover' => '60,110', 'basic.recover_ok' => '60,111', 'basic.nack' => '60,120', 'tx.select' => '90,10', 'tx.select_ok' => '90,11', 'tx.commit' => '90,20', 'tx.commit_ok' => '90,21', 'tx.rollback' => '90,30', 'tx.rollback_ok' => '90,31', 'confirm.select' => '85,10', 'confirm.select_ok' => '85,11', ); /** * @var string $method * @return string */ public function get_wait($method) { return $this->wait[$method]; } } 'connection_start', '10,11' => 'connection_start_ok', '10,20' => 'connection_secure', '10,21' => 'connection_secure_ok', '10,30' => 'connection_tune', '10,31' => 'connection_tune_ok', '10,40' => 'connection_open', '10,41' => 'connection_open_ok', '10,50' => 'connection_close', '10,51' => 'connection_close_ok', '10,60' => 'connection_blocked', '10,61' => 'connection_unblocked', '20,10' => 'channel_open', '20,11' => 'channel_open_ok', '20,20' => 'channel_flow', '20,21' => 'channel_flow_ok', '20,40' => 'channel_close', '20,41' => 'channel_close_ok', '30,10' => 'access_request', '30,11' => 'access_request_ok', '40,10' => 'exchange_declare', '40,11' => 'exchange_declare_ok', '40,20' => 'exchange_delete', '40,21' => 'exchange_delete_ok', '40,30' => 'exchange_bind', '40,31' => 'exchange_bind_ok', '40,40' => 'exchange_unbind', '40,51' => 'exchange_unbind_ok', '50,10' => 'queue_declare', '50,11' => 'queue_declare_ok', '50,20' => 'queue_bind', '50,21' => 'queue_bind_ok', '50,30' => 'queue_purge', '50,31' => 'queue_purge_ok', '50,40' => 'queue_delete', '50,41' => 'queue_delete_ok', '50,50' => 'queue_unbind', '50,51' => 'queue_unbind_ok', '60,10' => 'basic_qos', '60,11' => 'basic_qos_ok', '60,20' => 'basic_consume', '60,21' => 'basic_consume_ok', '60,30' => 'basic_cancel_from_server', '60,31' => 'basic_cancel_ok', '60,40' => 'basic_publish', '60,50' => 'basic_return', '60,60' => 'basic_deliver', '60,70' => 'basic_get', '60,71' => 'basic_get_ok', '60,72' => 'basic_get_empty', '60,80' => 'basic_ack_from_server', '60,90' => 'basic_reject', '60,100' => 'basic_recover_async', '60,110' => 'basic_recover', '60,111' => 'basic_recover_ok', '60,120' => 'basic_nack_from_server', '90,10' => 'tx_select', '90,11' => 'tx_select_ok', '90,20' => 'tx_commit', '90,21' => 'tx_commit_ok', '90,30' => 'tx_rollback', '90,31' => 'tx_rollback_ok', '85,10' => 'confirm_select', '85,11' => 'confirm_select_ok', ); /** * @var string $method_sig * @return string */ public function get_method($method_sig) { return $this->method_map[$method_sig]; } /** * @var string $method_sig * @return bool */ public function valid_method($method_sig) { return array_key_exists($method_sig, $this->method_map); } } 'connection_start', '10,11' => 'connection_start_ok', '10,20' => 'connection_secure', '10,21' => 'connection_secure_ok', '10,30' => 'connection_tune', '10,31' => 'connection_tune_ok', '10,40' => 'connection_open', '10,41' => 'connection_open_ok', '10,50' => 'connection_redirect', '10,60' => 'connection_close', '10,61' => 'connection_close_ok', '20,10' => 'channel_open', '20,11' => 'channel_open_ok', '20,20' => 'channel_flow', '20,21' => 'channel_flow_ok', '20,30' => 'channel_alert', '20,40' => 'channel_close', '20,41' => 'channel_close_ok', '30,10' => 'access_request', '30,11' => 'access_request_ok', '40,10' => 'exchange_declare', '40,11' => 'exchange_declare_ok', '40,20' => 'exchange_delete', '40,21' => 'exchange_delete_ok', '50,10' => 'queue_declare', '50,11' => 'queue_declare_ok', '50,20' => 'queue_bind', '50,21' => 'queue_bind_ok', '50,30' => 'queue_purge', '50,31' => 'queue_purge_ok', '50,40' => 'queue_delete', '50,41' => 'queue_delete_ok', '50,50' => 'queue_unbind', '50,51' => 'queue_unbind_ok', '60,10' => 'basic_qos', '60,11' => 'basic_qos_ok', '60,20' => 'basic_consume', '60,21' => 'basic_consume_ok', '60,30' => 'basic_cancel', '60,31' => 'basic_cancel_ok', '60,40' => 'basic_publish', '60,50' => 'basic_return', '60,60' => 'basic_deliver', '60,70' => 'basic_get', '60,71' => 'basic_get_ok', '60,72' => 'basic_get_empty', '60,80' => 'basic_ack', '60,90' => 'basic_reject', '60,100' => 'basic_recover_async', '60,110' => 'basic_recover', '60,111' => 'basic_recover_ok', '70,10' => 'file_qos', '70,11' => 'file_qos_ok', '70,20' => 'file_consume', '70,21' => 'file_consume_ok', '70,30' => 'file_cancel', '70,31' => 'file_cancel_ok', '70,40' => 'file_open', '70,41' => 'file_open_ok', '70,50' => 'file_stage', '70,60' => 'file_publish', '70,70' => 'file_return', '70,80' => 'file_deliver', '70,90' => 'file_ack', '70,100' => 'file_reject', '80,10' => 'stream_qos', '80,11' => 'stream_qos_ok', '80,20' => 'stream_consume', '80,21' => 'stream_consume_ok', '80,30' => 'stream_cancel', '80,31' => 'stream_cancel_ok', '80,40' => 'stream_publish', '80,50' => 'stream_return', '80,60' => 'stream_deliver', '90,10' => 'tx_select', '90,11' => 'tx_select_ok', '90,20' => 'tx_commit', '90,21' => 'tx_commit_ok', '90,30' => 'tx_rollback', '90,31' => 'tx_rollback_ok', '100,10' => 'dtx_select', '100,11' => 'dtx_select_ok', '100,20' => 'dtx_start', '100,21' => 'dtx_start_ok', '110,10' => 'tunnel_request', '120,10' => 'test_integer', '120,11' => 'test_integer_ok', '120,20' => 'test_string', '120,21' => 'test_string_ok', '120,30' => 'test_table', '120,31' => 'test_table_ok', '120,40' => 'test_content', '120,41' => 'test_content_ok', ); /** * @var string $method_sig * @return string */ public function get_method($method_sig) { return $this->method_map[$method_sig]; } /** * @var string $method_sig * @return bool */ public function valid_method($method_sig) { return array_key_exists($method_sig, $this->method_map); } } '10,10', 'connection.start_ok' => '10,11', 'connection.secure' => '10,20', 'connection.secure_ok' => '10,21', 'connection.tune' => '10,30', 'connection.tune_ok' => '10,31', 'connection.open' => '10,40', 'connection.open_ok' => '10,41', 'connection.redirect' => '10,50', 'connection.close' => '10,60', 'connection.close_ok' => '10,61', 'channel.open' => '20,10', 'channel.open_ok' => '20,11', 'channel.flow' => '20,20', 'channel.flow_ok' => '20,21', 'channel.alert' => '20,30', 'channel.close' => '20,40', 'channel.close_ok' => '20,41', 'access.request' => '30,10', 'access.request_ok' => '30,11', 'exchange.declare' => '40,10', 'exchange.declare_ok' => '40,11', 'exchange.delete' => '40,20', 'exchange.delete_ok' => '40,21', 'queue.declare' => '50,10', 'queue.declare_ok' => '50,11', 'queue.bind' => '50,20', 'queue.bind_ok' => '50,21', 'queue.purge' => '50,30', 'queue.purge_ok' => '50,31', 'queue.delete' => '50,40', 'queue.delete_ok' => '50,41', 'queue.unbind' => '50,50', 'queue.unbind_ok' => '50,51', 'basic.qos' => '60,10', 'basic.qos_ok' => '60,11', 'basic.consume' => '60,20', 'basic.consume_ok' => '60,21', 'basic.cancel' => '60,30', 'basic.cancel_ok' => '60,31', 'basic.publish' => '60,40', 'basic.return' => '60,50', 'basic.deliver' => '60,60', 'basic.get' => '60,70', 'basic.get_ok' => '60,71', 'basic.get_empty' => '60,72', 'basic.ack' => '60,80', 'basic.reject' => '60,90', 'basic.recover_async' => '60,100', 'basic.recover' => '60,110', 'basic.recover_ok' => '60,111', 'file.qos' => '70,10', 'file.qos_ok' => '70,11', 'file.consume' => '70,20', 'file.consume_ok' => '70,21', 'file.cancel' => '70,30', 'file.cancel_ok' => '70,31', 'file.open' => '70,40', 'file.open_ok' => '70,41', 'file.stage' => '70,50', 'file.publish' => '70,60', 'file.return' => '70,70', 'file.deliver' => '70,80', 'file.ack' => '70,90', 'file.reject' => '70,100', 'stream.qos' => '80,10', 'stream.qos_ok' => '80,11', 'stream.consume' => '80,20', 'stream.consume_ok' => '80,21', 'stream.cancel' => '80,30', 'stream.cancel_ok' => '80,31', 'stream.publish' => '80,40', 'stream.return' => '80,50', 'stream.deliver' => '80,60', 'tx.select' => '90,10', 'tx.select_ok' => '90,11', 'tx.commit' => '90,20', 'tx.commit_ok' => '90,21', 'tx.rollback' => '90,30', 'tx.rollback_ok' => '90,31', 'dtx.select' => '100,10', 'dtx.select_ok' => '100,11', 'dtx.start' => '100,20', 'dtx.start_ok' => '100,21', 'tunnel.request' => '110,10', 'test.integer' => '120,10', 'test.integer_ok' => '120,11', 'test.string' => '120,20', 'test.string_ok' => '120,21', 'test.table' => '120,30', 'test.table_ok' => '120,31', 'test.content' => '120,40', 'test.content_ok' => '120,41', ); /** * @var string $method * @return string */ public function get_wait($method) { return $this->wait[$method]; } } debug = defined('AMQP_DEBUG') ? AMQP_DEBUG : false; $this->debug_output = defined('AMQP_DEBUG_OUTPUT') ? AMQP_DEBUG_OUTPUT : STDOUT; $this->PROTOCOL_CONSTANTS_CLASS = $PROTOCOL_CONSTANTS_CLASS; } /** * @param string $msg */ public function debug_msg($msg) { if ($this->debug) { $this->print_msg($msg); } } /** * @param array $allowed_methods */ public function debug_allowed_methods($allowed_methods) { if ($allowed_methods) { $msg = 'waiting for ' . implode(', ', $allowed_methods); } else { $msg = 'waiting for any method'; } $this->debug_msg($msg); } /** * @param string $method_sig */ public function debug_method_signature1($method_sig) { $this->debug_method_signature('< %s:', $method_sig); } /** * @param string $msg * @param string $method_sig */ public function debug_method_signature($msg, $method_sig) { if ($this->debug) { $protocolClass = $this->PROTOCOL_CONSTANTS_CLASS; $this->debug_msg(sprintf( $msg . ': %s', MiscHelper::methodSig($method_sig), $protocolClass::$GLOBAL_METHOD_NAMES[MiscHelper::methodSig($method_sig)] )); } } /** * @param string $data */ public function debug_hexdump($data) { if ($this->debug) { $this->debug_msg(sprintf( '< [hex]: %s%s', PHP_EOL, MiscHelper::hexdump($data, $htmloutput = false, $uppercase = true, $return = true) )); } } /** * @param int $version_major * @param int $version_minor * @param array $server_properties * @param array $mechanisms * @param array $locales */ public function debug_connection_start($version_major, $version_minor, $server_properties, $mechanisms, $locales) { if ($this->debug) { $this->debug_msg(sprintf( 'Start from server, version: %d.%d, properties: %s, mechanisms: %s, locales: %s', $version_major, $version_minor, MiscHelper::dump_table($server_properties), implode(', ', $mechanisms), implode(', ', $locales) )); } } /** * @param string $s */ protected function print_msg($s) { fwrite($this->debug_output, $s . PHP_EOL); } } consumerTag = $consumerTag; } } amqp_reply_code = $reply_code; // redundant, but kept for BC $this->amqp_reply_text = $reply_text; // redundant, but kept for BC $this->amqp_method_sig = $method_sig; $ms = MiscHelper::methodSig($method_sig); $protocolClass = AbstractChannel::$PROTOCOL_CONSTANTS_CLASS; $mn = isset($protocolClass::$GLOBAL_METHOD_NAMES[$ms]) ? $protocolClass::$GLOBAL_METHOD_NAMES[$ms] : $mn = ''; $this->args = array($reply_code, $reply_text, $method_sig, $mn); } } amqp_reply_code = $reply_code; // redundant, but kept for BC $this->amqp_reply_text = $reply_text; // redundant, but kept for BC $this->amqp_method_sig = $method_sig; $ms = MiscHelper::methodSig($method_sig); $protocolClass = AbstractChannel::$PROTOCOL_CONSTANTS_CLASS; $mn = isset($protocolClass::$GLOBAL_METHOD_NAMES[$ms]) ? $protocolClass::$GLOBAL_METHOD_NAMES[$ms] : $mn = ''; $this->args = array($reply_code, $reply_text, $method_sig, $mn); } } timeout = $timeout; } /** * @param int|float|null $timeout * @param int $code * @return self */ public static function writeTimeout($timeout, $code = 0) { return new self('Error sending data. Connection timed out.', $timeout, $code); } /** * @return int|float|null */ public function getTimeout() { return $this->timeout; } } =5.4.0", "ext-bcmath": "*", "ext-sockets": "*" }, "require-dev": { "ext-curl": "*", "phpunit/phpunit": "^4.8", "squizlabs/php_codesniffer": "^2.5", "phpdocumentor/phpdocumentor": "^2.9", "nategood/httpful": "^0.2.20" }, "autoload": { "psr-4": { "PhpAmqpLib\\": "PhpAmqpLib/" } }, "autoload-dev": { "psr-4": { "PhpAmqpLib\\Tests\\Functional\\": "tests/Functional", "PhpAmqpLib\\Tests\\Unit\\": "tests/Unit" } }, "license": "LGPL-2.1-or-later", "extra": { "branch-alias": { "dev-master": "2.8-dev" } } } setOptions( array( 'baseinstalldir' => '/', 'packagefile' => 'package.xml', 'packagedirectory' => realpath(dirname(__FILE__) . '/library'), 'filelistgenerator' => 'file', 'include' => array('*'), 'dir_roles' => array('/' => 'php'), // hack to put *.ser files in the right place 'ignore' => array( 'HTMLPurifier.standalone.php', 'HTMLPurifier.path.php', '*.tar.gz', '*.tgz', 'standalone/' ), ) ); $pkg->setPackage('HTMLPurifier'); $pkg->setLicense('LGPL', 'http://www.gnu.org/licenses/lgpl.html'); $pkg->setSummary('Standards-compliant HTML filter'); $pkg->setDescription( 'HTML Purifier is an HTML filter that will remove all malicious code (better known as XSS) with a thoroughly audited, secure yet permissive whitelist and will also make sure your documents are standards compliant.' ); $pkg->addMaintainer('lead', 'ezyang', 'Edward Z. Yang', 'admin@htmlpurifier.org', 'yes'); $version = trim(file_get_contents('VERSION')); $api_version = substr($version, 0, strrpos($version, '.')); $pkg->setChannel('htmlpurifier.org'); $pkg->setAPIVersion($api_version); $pkg->setAPIStability('stable'); $pkg->setReleaseVersion($version); $pkg->setReleaseStability('stable'); $pkg->addRelease(); $pkg->setNotes(file_get_contents('WHATSNEW')); $pkg->setPackageType('php'); $pkg->setPhpDep('5.0.0'); $pkg->setPearinstallerDep('1.4.3'); $pkg->generateContents(); $pkg->writePackageFile(); // vim: et sw=4 sts=4 hidden("module", "modsettings"); $frm->hidden("mod", "htmlpurifier"); $frm->hidden("migrate-sigs", "1"); $frm->addbreak("Migrate user signatures to HTML"); $frm->addMessage('This operation will migrate your users signatures to HTML. This process is irreversible and must only be performed once. Type in yes in the confirmation field to migrate.'); if (!file_exists(dirname(__FILE__) . '/../migrate.php')) { $frm->addMessage('Migration file does not exist, cannot migrate signatures. Please check migrate.bbcode.php on how to create an appropriate file.'); } else { $frm->addrow('Confirm:', $frm->text_box("confirmation", "")); } $frm->show(); } // vim: et sw=4 sts=4 hidden("module", "modsettings"); $frm->hidden("mod", "htmlpurifier"); // this is the directory name that the Settings file lives in if (!empty($error)){ echo "$error
"; } $frm->addbreak("Edit settings for the HTML Purifier module"); $frm->addMessage('

The box below sets $PHORUM[\'mod_htmlpurifier\'][\'wysiwyg\']. When checked, contents sent for edit are now purified and the informative message is disabled. If your WYSIWYG editor is disabled for admin edits, you can safely keep this unchecked.

'); $frm->addRow('Use WYSIWYG?', $frm->checkbox('wysiwyg', '1', '', $PHORUM['mod_htmlpurifier']['wysiwyg'])); $frm->addMessage('

The box below sets $PHORUM[\'mod_htmlpurifier\'][\'suppress_message\'], which removes the big how-to use HTML Purifier message.

'); $frm->addRow('Suppress information?', $frm->checkbox('suppress_message', '1', '', $PHORUM['mod_htmlpurifier']['suppress_message'])); $frm->addMessage('

Click on directive links to read what each option does (links do not open in new windows).

For more flexibility (for instance, you want to edit the full range of configuration directives), you can create a config.php file in your mods/htmlpurifier/ directory. Doing so will, however, make the web configuration interface unavailable.

'); require_once 'HTMLPurifier/Printer/ConfigForm.php'; $htmlpurifier_form = new HTMLPurifier_Printer_ConfigForm('config', 'http://htmlpurifier.org/live/configdoc/plain.html#%s'); $htmlpurifier_form->setTextareaDimensions(23, 7); // widen a little, since we have space $frm->addMessage($htmlpurifier_form->render( $config, $PHORUM['mod_htmlpurifier']['directives'], false)); $frm->addMessage("Warning: Changing HTML Purifier's configuration will invalidate the cache. Expect to see a flurry of database activity after you change any of these settings."); $frm->addrow('Reset to defaults:', $frm->checkbox("reset", "1", "", false)); // hack to include extra styling echo ''; $js = $htmlpurifier_form->getJavaScript(); echo ''; $frm->show(); } function phorum_htmlpurifier_show_config_info() { global $PHORUM; // update mod_htmlpurifier for housekeeping phorum_htmlpurifier_commit_settings(); // politely tell user how to edit settings manually ?>
How to edit settings for HTML Purifier module

A config.php file exists in your mods/htmlpurifier/ directory. This file contains your custom configuration: in order to change it, please navigate to that file and edit it accordingly. You can also set $GLOBALS['PHORUM']['mod_htmlpurifier']['wysiwyg'] or $GLOBALS['PHORUM']['mod_htmlpurifier']['suppress_message']

To use the web interface, delete config.php (or rename it to config.php.bak).

Warning: Changing HTML Purifier's configuration will invalidate the cache. Expect to see a flurry of database activity after you change any of these settings.

$PHORUM["mod_htmlpurifier"])); $offset = 1; } elseif (!empty($_GET['migrate-sigs']) && $PHORUM['mod_htmlpurifier']['migrate-sigs']) { $offset = (int) $_GET['migrate-sigs']; } return $offset; } function phorum_htmlpurifier_migrate_sigs($offset) { global $PHORUM; if(!$offset) return; // bail out quick if $offset == 0 // theoretically, we could get rid of this multi-request // doo-hickery if safe mode is off @set_time_limit(0); // attempt to let this run $increment = $PHORUM['mod_htmlpurifier']['migrate-sigs-increment']; require_once(dirname(__FILE__) . '/../migrate.php'); // migrate signatures // do this in batches so we don't run out of time/space $end = $offset + $increment; $user_ids = array(); for ($i = $offset; $i < $end; $i++) { $user_ids[] = $i; } $userinfos = phorum_db_user_get_fields($user_ids, 'signature'); foreach ($userinfos as $i => $user) { if (empty($user['signature'])) continue; $sig = $user['signature']; // perform standard Phorum processing on the sig $sig = str_replace(array("&","<",">"), array("&","<",">"), $sig); $sig = preg_replace("/<((http|https|ftp):\/\/[a-z0-9;\/\?:@=\&\$\-_\.\+!*'\(\),~%]+?)>/i", "$1", $sig); // prepare fake data to pass to migration function $fake_data = array(array("author"=>"", "email"=>"", "subject"=>"", 'body' => $sig)); list($fake_message) = phorum_htmlpurifier_migrate($fake_data); $user['signature'] = $fake_message['body']; if (!phorum_api_user_save($user)) { exit('Error while saving user data'); } } unset($userinfos); // free up memory // query for highest ID in database $type = $PHORUM['DBCONFIG']['type']; $sql = "select MAX(user_id) from {$PHORUM['user_table']}"; $row = phorum_db_interact(DB_RETURN_ROW, $sql); $top_id = (int) $row[0]; $offset += $increment; if ($offset > $top_id) { // test for end condition echo 'Migration finished'; $PHORUM['mod_htmlpurifier']['migrate-sigs'] = false; phorum_htmlpurifier_commit_settings(); return true; } $host = $_SERVER['HTTP_HOST']; $uri = rtrim(dirname($_SERVER['PHP_SELF']), '/\\'); $extra = 'admin.php?module=modsettings&mod=htmlpurifier&migrate-sigs=' . $offset; // relies on output buffering to work header("Location: http://$host$uri/$extra"); exit; } // vim: et sw=4 sts=4 mods/htmlpurifier/config.php already exists. To change settings, edit that file. To use the web form, delete that file.
"; } else { $config = phorum_htmlpurifier_get_config(true); if (!isset($_POST['reset'])) $config->mergeArrayFromForm($_POST, 'config', $PHORUM['mod_htmlpurifier']['directives']); $PHORUM['mod_htmlpurifier']['config'] = $config->getAll(); } $PHORUM['mod_htmlpurifier']['wysiwyg'] = !empty($_POST['wysiwyg']); $PHORUM['mod_htmlpurifier']['suppress_message'] = !empty($_POST['suppress_message']); if(!phorum_htmlpurifier_commit_settings()){ $error="Database error while updating settings."; } else { echo "Settings Updated
"; } } function phorum_htmlpurifier_commit_settings() { global $PHORUM; return phorum_db_update_settings(array("mod_htmlpurifier"=>$PHORUM["mod_htmlpurifier"])); } // vim: et sw=4 sts=4 '; phorum_htmlpurifier_show_form(); // vim: et sw=4 sts=4 $message){ if(isset($message['body'])) { if ($message_id) { // we're dealing with a real message, not a fake, so // there a number of shortcuts that can be taken if (isset($message['meta']['htmlpurifier_light'])) { // format hook was called outside of Phorum's normal // functions, do the abridged purification $data[$message_id]['body'] = $purifier->purify($message['body']); continue; } if (!empty($PHORUM['args']['purge'])) { // purge the cache, must be below the following if unset($message['meta']['body_cache']); } if ( isset($message['meta']['body_cache']) && isset($message['meta']['body_cache_serial']) && $message['meta']['body_cache_serial'] == $cache_serial ) { // cached version is present, bail out early $data[$message_id]['body'] = base64_decode($message['meta']['body_cache']); continue; } } // migration might edit this array, that's why it's defined // so early $updated_message = array(); // create the $body variable if ( $message_id && // message must be real to migrate !isset($message['meta']['body_cache_serial']) ) { // perform migration $fake_data = array(); list($signature, $edit_message) = phorum_htmlpurifier_remove_sig_and_editmessage($message); $fake_data[$message_id] = $message; $fake_data = phorum_htmlpurifier_migrate($fake_data); $body = $fake_data[$message_id]['body']; $body = str_replace("\n", "\n", $body); $updated_message['body'] = $body; // save it in $body .= $signature . $edit_message; // add it back in } else { // reverse Phorum's pre-processing $body = $message['body']; // order is important $body = str_replace("\n", "\n", $body); $body = str_replace(array('<','>','&', '"'), array('<','>','&','"'), $body); if (!$message_id && defined('PHORUM_CONTROL_CENTER')) { // we're in control.php, so it was double-escaped $body = str_replace(array('<','>','&', '"'), array('<','>','&','"'), $body); } } $body = $purifier->purify($body); // dynamically update the cache (MUST BE DONE HERE!) // this is inefficient because it's one db call per // cache miss, but once the cache is in place things are // a lot zippier. if ($message_id) { // make sure it's not a fake id $updated_message['meta'] = $message['meta']; $updated_message['meta']['body_cache'] = base64_encode($body); $updated_message['meta']['body_cache_serial'] = $cache_serial; phorum_db_update_message($message_id, $updated_message); } // must not get overloaded until after we cache it, otherwise // we'll inadvertently change the original text $data[$message_id]['body'] = $body; } } return $data; } // ----------------------------------------------------------------------- // This is fragile code, copied from read.php:596 (Phorum 5.2.6). Please // keep this code in-sync with Phorum /** * Generates a signature based on a message array */ function phorum_htmlpurifier_generate_sig($row) { $phorum_sig = ''; if(isset($row["user"]["signature"]) && isset($row['meta']['show_signature']) && $row['meta']['show_signature']==1){ $phorum_sig=trim($row["user"]["signature"]); if(!empty($phorum_sig)){ $phorum_sig="\n\n$phorum_sig"; } } return $phorum_sig; } /** * Generates an edit message based on a message array */ function phorum_htmlpurifier_generate_editmessage($row) { $PHORUM = $GLOBALS['PHORUM']; $editmessage = ''; if(isset($row['meta']['edit_count']) && $row['meta']['edit_count'] > 0) { $editmessage = str_replace ("%count%", $row['meta']['edit_count'], $PHORUM["DATA"]["LANG"]["EditedMessage"]); $editmessage = str_replace ("%lastedit%", phorum_date($PHORUM["short_date_time"],$row['meta']['edit_date']), $editmessage); $editmessage = str_replace ("%lastuser%", $row['meta']['edit_username'], $editmessage); $editmessage = "\n\n\n\n$editmessage"; } return $editmessage; } // End fragile code // ----------------------------------------------------------------------- /** * Removes the signature and edit message from a message * @param $row Message passed by reference */ function phorum_htmlpurifier_remove_sig_and_editmessage(&$row) { $signature = phorum_htmlpurifier_generate_sig($row); $editmessage = phorum_htmlpurifier_generate_editmessage($row); $replacements = array(); // we need to remove add as that is the form these // extra bits are in. if ($signature) $replacements[str_replace("\n", "\n", $signature)] = ''; if ($editmessage) $replacements[str_replace("\n", "\n", $editmessage)] = ''; $row['body'] = strtr($row['body'], $replacements); return array($signature, $editmessage); } /** * Indicate that data is fully HTML and not from migration, invalidate * previous caches * @note This function could generate the actual cache entries, but * since there's data missing that must be deferred to the first read */ function phorum_htmlpurifier_posting($message) { $PHORUM = $GLOBALS["PHORUM"]; unset($message['meta']['body_cache']); // invalidate the cache $message['meta']['body_cache_serial'] = $PHORUM['mod_htmlpurifier']['body_cache_serial']; return $message; } /** * Overload quoting mechanism to prevent default, mail-style quote from happening */ function phorum_htmlpurifier_quote($array) { $PHORUM = $GLOBALS["PHORUM"]; $purifier =& HTMLPurifier::getInstance(); $text = $purifier->purify($array[1]); $source = htmlspecialchars($array[0]); return "
\n$text\n
"; } /** * Ensure that our format hook is processed last. Also, loads the library. * @credits */ function phorum_htmlpurifier_common() { require_once(dirname(__FILE__).'/htmlpurifier/HTMLPurifier.auto.php'); require(dirname(__FILE__).'/init-config.php'); $config = phorum_htmlpurifier_get_config(); HTMLPurifier::getInstance($config); // increment revision.txt if you want to invalidate the cache $GLOBALS['PHORUM']['mod_htmlpurifier']['body_cache_serial'] = $config->getSerial(); // load migration if (file_exists(dirname(__FILE__) . '/migrate.php')) { include(dirname(__FILE__) . '/migrate.php'); } else { echo 'Error: No migration path specified for HTML Purifier, please check modes/htmlpurifier/migrate.bbcode.php for instructions on how to migrate from your previous markup language.'; exit; } if (!function_exists('phorum_htmlpurifier_migrate')) { // Dummy function function phorum_htmlpurifier_migrate($data) {return $data;} } } /** * Pre-emptively performs purification if it looks like a WYSIWYG editor * is being used */ function phorum_htmlpurifier_before_editor($message) { if (!empty($GLOBALS['PHORUM']['mod_htmlpurifier']['wysiwyg'])) { if (!empty($message['body'])) { $body = $message['body']; // de-entity-ize contents $body = str_replace(array('<','>','&'), array('<','>','&'), $body); $purifier =& HTMLPurifier::getInstance(); $body = $purifier->purify($body); // re-entity-ize contents $body = htmlspecialchars($body, ENT_QUOTES, $GLOBALS['PHORUM']['DATA']['CHARSET']); $message['body'] = $body; } } return $message; } function phorum_htmlpurifier_editor_after_subject() { // don't show this message if it's a WYSIWYG editor, since it will // then be handled automatically if (!empty($GLOBALS['PHORUM']['mod_htmlpurifier']['wysiwyg'])) { $i = $GLOBALS['PHORUM']['DATA']['MODE']; if ($i == 'quote' || $i == 'edit' || $i == 'moderation') { ?>

Notice: HTML has been scrubbed for your safety. If you would like to see the original, turn off WYSIWYG mode (consult your administrator for details.)

HTML input is enabled. Make sure you escape all HTML and angled brackets with &lt; and &gt;.

config; if ($config->get('AutoFormat.AutoParagraph')) { ?>

Auto-paragraphing is enabled. Double newlines will be converted to paragraphs; for single newlines, use the pre tag.

getDefinition('HTML'); $allowed = array(); foreach ($html_definition->info as $name => $x) $allowed[] = "$name"; sort($allowed); $allowed_text = implode(', ', $allowed); ?>

Allowed tags: .

For inputting literal code such as HTML and PHP for display, use CDATA tags to auto-escape your angled brackets, and pre to preserve newlines: 

<pre><![CDATA[
Place code here
]]></pre>

Power users, you can hide this notice with: 

.htmlpurifier-help {display:none;}

set('HTML.Allowed', // alphabetically sorted 'a[href|title] abbr[title] acronym[title] b blockquote[cite] br caption cite code dd del dfn div dl dt em i img[src|alt|title|class] ins kbd li ol p pre s strike strong sub sup table tbody td tfoot th thead tr tt u ul var'); $config->set('AutoFormat.AutoParagraph', true); $config->set('AutoFormat.Linkify', true); $config->set('HTML.Doctype', 'XHTML 1.0 Transitional'); $config->set('Core.AggressivelyFixLt', true); $config->set('Core.Encoding', $GLOBALS['PHORUM']['DATA']['CHARSET']); // we'll change this eventually if (strtolower($GLOBALS['PHORUM']['DATA']['CHARSET']) !== 'utf-8') { $config->set('Core.EscapeNonASCIICharacters', true); } // vim: et sw=4 sts=4 config = HTMLPurifier_Config::create($config); $this->strategy = new HTMLPurifier_Strategy_Core(); } /** * Adds a filter to process the output. First come first serve * * @param HTMLPurifier_Filter $filter HTMLPurifier_Filter object */ public function addFilter($filter) { trigger_error( 'HTMLPurifier->addFilter() is deprecated, use configuration directives' . ' in the Filter namespace or Filter.Custom', E_USER_WARNING ); $this->filters[] = $filter; } /** * Filters an HTML snippet/document to be XSS-free and standards-compliant. * * @param string $html String of HTML to purify * @param HTMLPurifier_Config $config Config object for this operation, * if omitted, defaults to the config object specified during this * object's construction. The parameter can also be any type * that HTMLPurifier_Config::create() supports. * * @return string Purified HTML */ public function purify($html, $config = null) { // :TODO: make the config merge in, instead of replace $config = $config ? HTMLPurifier_Config::create($config) : $this->config; // implementation is partially environment dependant, partially // configuration dependant $lexer = HTMLPurifier_Lexer::create($config); $context = new HTMLPurifier_Context(); // setup HTML generator $this->generator = new HTMLPurifier_Generator($config, $context); $context->register('Generator', $this->generator); // set up global context variables if ($config->get('Core.CollectErrors')) { // may get moved out if other facilities use it $language_factory = HTMLPurifier_LanguageFactory::instance(); $language = $language_factory->create($config, $context); $context->register('Locale', $language); $error_collector = new HTMLPurifier_ErrorCollector($context); $context->register('ErrorCollector', $error_collector); } // setup id_accumulator context, necessary due to the fact that // AttrValidator can be called from many places $id_accumulator = HTMLPurifier_IDAccumulator::build($config, $context); $context->register('IDAccumulator', $id_accumulator); $html = HTMLPurifier_Encoder::convertToUTF8($html, $config, $context); // setup filters $filter_flags = $config->getBatch('Filter'); $custom_filters = $filter_flags['Custom']; unset($filter_flags['Custom']); $filters = array(); foreach ($filter_flags as $filter => $flag) { if (!$flag) { continue; } if (strpos($filter, '.') !== false) { continue; } $class = "HTMLPurifier_Filter_$filter"; $filters[] = new $class; } foreach ($custom_filters as $filter) { // maybe "HTMLPurifier_Filter_$filter", but be consistent with AutoFormat $filters[] = $filter; } $filters = array_merge($filters, $this->filters); // maybe prepare(), but later for ($i = 0, $filter_size = count($filters); $i < $filter_size; $i++) { $html = $filters[$i]->preFilter($html, $config, $context); } // purified HTML $html = $this->generator->generateFromTokens( // list of tokens $this->strategy->execute( // list of un-purified tokens $lexer->tokenizeHTML( // un-purified HTML $html, $config, $context ), $config, $context ) ); for ($i = $filter_size - 1; $i >= 0; $i--) { $html = $filters[$i]->postFilter($html, $config, $context); } $html = HTMLPurifier_Encoder::convertFromUTF8($html, $config, $context); $this->context =& $context; return $html; } /** * Filters an array of HTML snippets * * @param string[] $array_of_html Array of html snippets * @param HTMLPurifier_Config $config Optional config object for this operation. * See HTMLPurifier::purify() for more details. * * @return string[] Array of purified HTML */ public function purifyArray($array_of_html, $config = null) { $context_array = array(); foreach ($array_of_html as $key => $html) { $array_of_html[$key] = $this->purify($html, $config); $context_array[$key] = $this->context; } $this->context = $context_array; return $array_of_html; } /** * Singleton for enforcing just one HTML Purifier in your system * * @param HTMLPurifier|HTMLPurifier_Config $prototype Optional prototype * HTMLPurifier instance to overload singleton with, * or HTMLPurifier_Config instance to configure the * generated version with. * * @return HTMLPurifier */ public static function instance($prototype = null) { if (!self::$instance || $prototype) { if ($prototype instanceof HTMLPurifier) { self::$instance = $prototype; } elseif ($prototype) { self::$instance = new HTMLPurifier($prototype); } else { self::$instance = new HTMLPurifier(); } } return self::$instance; } /** * Singleton for enforcing just one HTML Purifier in your system * * @param HTMLPurifier|HTMLPurifier_Config $prototype Optional prototype * HTMLPurifier instance to overload singleton with, * or HTMLPurifier_Config instance to configure the * generated version with. * * @return HTMLPurifier * @note Backwards compatibility, see instance() */ public static function getInstance($prototype = null) { return HTMLPurifier::instance($prototype); } } // vim: et sw=4 sts=4 $attributes) { $allowed_elements[$element] = true; foreach ($attributes as $attribute => $x) { $allowed_attributes["$element.$attribute"] = true; } } $config->set('HTML.AllowedElements', $allowed_elements); $config->set('HTML.AllowedAttributes', $allowed_attributes); if ($allowed_protocols !== null) { $config->set('URI.AllowedSchemes', $allowed_protocols); } $purifier = new HTMLPurifier($config); return $purifier->purify($string); } // vim: et sw=4 sts=4 empty = true; return $n; } } // vim: et sw=4 sts=4 !empty($obj->is_tag) * without having to use a function call is_a(). * @type bool */ public $is_tag = true; /** * The lower-case name of the tag, like 'a', 'b' or 'blockquote'. * * @note Strictly speaking, XML tags are case sensitive, so we shouldn't * be lower-casing them, but these tokens cater to HTML tags, which are * insensitive. * @type string */ public $name; /** * Associative array of the tag's attributes. * @type array */ public $attr = array(); /** * Non-overloaded constructor, which lower-cases passed tag name. * * @param string $name String name. * @param array $attr Associative array of attributes. * @param int $line * @param int $col * @param array $armor */ public function __construct($name, $attr = array(), $line = null, $col = null, $armor = array()) { $this->name = ctype_lower($name) ? $name : strtolower($name); foreach ($attr as $key => $value) { // normalization only necessary when key is not lowercase if (!ctype_lower($key)) { $new_key = strtolower($key); if (!isset($attr[$new_key])) { $attr[$new_key] = $attr[$key]; } if ($new_key !== $key) { unset($attr[$key]); } } } $this->attr = $attr; $this->line = $line; $this->col = $col; $this->armor = $armor; } public function toNode() { return new HTMLPurifier_Node_Element($this->name, $this->attr, $this->line, $this->col, $this->armor); } } // vim: et sw=4 sts=4 toNode not supported!"); } } // vim: et sw=4 sts=4 data = $data; $this->line = $line; $this->col = $col; } public function toNode() { return new HTMLPurifier_Node_Comment($this->data, $this->line, $this->col); } } // vim: et sw=4 sts=4 data = $data; $this->is_whitespace = ctype_space($data); $this->line = $line; $this->col = $col; } public function toNode() { return new HTMLPurifier_Node_Text($this->data, $this->is_whitespace, $this->line, $this->col); } } // vim: et sw=4 sts=4 elements; } /** * Validates nodes according to definition and returns modification. * * @param HTMLPurifier_Node[] $children Array of HTMLPurifier_Node * @param HTMLPurifier_Config $config HTMLPurifier_Config object * @param HTMLPurifier_Context $context HTMLPurifier_Context object * @return bool|array true to leave nodes as is, false to remove parent node, array of replacement children */ abstract public function validateChildren($children, $config, $context); } // vim: et sw=4 sts=4 info['Enum'] = new HTMLPurifier_AttrDef_Enum(); $this->info['Bool'] = new HTMLPurifier_AttrDef_HTML_Bool(); $this->info['CDATA'] = new HTMLPurifier_AttrDef_Text(); $this->info['ID'] = new HTMLPurifier_AttrDef_HTML_ID(); $this->info['Length'] = new HTMLPurifier_AttrDef_HTML_Length(); $this->info['MultiLength'] = new HTMLPurifier_AttrDef_HTML_MultiLength(); $this->info['NMTOKENS'] = new HTMLPurifier_AttrDef_HTML_Nmtokens(); $this->info['Pixels'] = new HTMLPurifier_AttrDef_HTML_Pixels(); $this->info['Text'] = new HTMLPurifier_AttrDef_Text(); $this->info['URI'] = new HTMLPurifier_AttrDef_URI(); $this->info['LanguageCode'] = new HTMLPurifier_AttrDef_Lang(); $this->info['Color'] = new HTMLPurifier_AttrDef_HTML_Color(); $this->info['IAlign'] = self::makeEnum('top,middle,bottom,left,right'); $this->info['LAlign'] = self::makeEnum('top,bottom,left,right'); $this->info['FrameTarget'] = new HTMLPurifier_AttrDef_HTML_FrameTarget(); // unimplemented aliases $this->info['ContentType'] = new HTMLPurifier_AttrDef_Text(); $this->info['ContentTypes'] = new HTMLPurifier_AttrDef_Text(); $this->info['Charsets'] = new HTMLPurifier_AttrDef_Text(); $this->info['Character'] = new HTMLPurifier_AttrDef_Text(); // "proprietary" types $this->info['Class'] = new HTMLPurifier_AttrDef_HTML_Class(); // number is really a positive integer (one or more digits) // FIXME: ^^ not always, see start and value of list items $this->info['Number'] = new HTMLPurifier_AttrDef_Integer(false, false, true); } private static function makeEnum($in) { return new HTMLPurifier_AttrDef_Clone(new HTMLPurifier_AttrDef_Enum(explode(',', $in))); } /** * Retrieves a type * @param string $type String type name * @return HTMLPurifier_AttrDef Object AttrDef for type */ public function get($type) { // determine if there is any extra info tacked on if (strpos($type, '#') !== false) { list($type, $string) = explode('#', $type, 2); } else { $string = ''; } if (!isset($this->info[$type])) { trigger_error('Cannot retrieve undefined attribute type ' . $type, E_USER_ERROR); return; } return $this->info[$type]->make($string); } /** * Sets a new implementation for a type * @param string $type String type name * @param HTMLPurifier_AttrDef $impl Object AttrDef for type */ public function set($type, $impl) { $this->info[$type] = $impl; } } // vim: et sw=4 sts=4 , resolves edge cases * with making relative URIs absolute * @type bool */ public $hierarchical = false; /** * Whether or not the URI may omit a hostname when the scheme is * explicitly specified, ala file:///path/to/file. As of writing, * 'file' is the only scheme that browsers support his properly. * @type bool */ public $may_omit_host = false; /** * Validates the components of a URI for a specific scheme. * @param HTMLPurifier_URI $uri Reference to a HTMLPurifier_URI object * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return bool success or failure */ abstract public function doValidate(&$uri, $config, $context); /** * Public interface for validating components of a URI. Performs a * bunch of default actions. Don't overload this method. * @param HTMLPurifier_URI $uri Reference to a HTMLPurifier_URI object * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return bool success or failure */ public function validate(&$uri, $config, $context) { if ($this->default_port == $uri->port) { $uri->port = null; } // kludge: browsers do funny things when the scheme but not the // authority is set if (!$this->may_omit_host && // if the scheme is present, a missing host is always in error (!is_null($uri->scheme) && ($uri->host === '' || is_null($uri->host))) || // if the scheme is not present, a *blank* host is in error, // since this translates into '///path' which most browsers // interpret as being 'http://path'. (is_null($uri->scheme) && $uri->host === '') ) { do { if (is_null($uri->scheme)) { if (substr($uri->path, 0, 2) != '//') { $uri->host = null; break; } // URI is '////path', so we cannot nullify the // host to preserve semantics. Try expanding the // hostname instead (fall through) } // first see if we can manually insert a hostname $host = $config->get('URI.Host'); if (!is_null($host)) { $uri->host = $host; } else { // we can't do anything sensible, reject the URL. return false; } } while (false); } return $this->doValidate($uri, $config, $context); } } // vim: et sw=4 sts=4 children[$type][$id])) { $this->children[$type][$id] = new HTMLPurifier_ErrorStruct(); $this->children[$type][$id]->type = $type; } return $this->children[$type][$id]; } /** * @param int $severity * @param string $message */ public function addError($severity, $message) { $this->errors[] = array($severity, $message); } } // vim: et sw=4 sts=4 checkDefType($def)) { return; } $file = $this->generateFilePath($config); if (file_exists($file)) { return false; } if (!$this->_prepareDir($config)) { return false; } return $this->_write($file, serialize($def), $config); } /** * @param HTMLPurifier_Definition $def * @param HTMLPurifier_Config $config * @return int|bool */ public function set($def, $config) { if (!$this->checkDefType($def)) { return; } $file = $this->generateFilePath($config); if (!$this->_prepareDir($config)) { return false; } return $this->_write($file, serialize($def), $config); } /** * @param HTMLPurifier_Definition $def * @param HTMLPurifier_Config $config * @return int|bool */ public function replace($def, $config) { if (!$this->checkDefType($def)) { return; } $file = $this->generateFilePath($config); if (!file_exists($file)) { return false; } if (!$this->_prepareDir($config)) { return false; } return $this->_write($file, serialize($def), $config); } /** * @param HTMLPurifier_Config $config * @return bool|HTMLPurifier_Config */ public function get($config) { $file = $this->generateFilePath($config); if (!file_exists($file)) { return false; } return unserialize(file_get_contents($file)); } /** * @param HTMLPurifier_Config $config * @return bool */ public function remove($config) { $file = $this->generateFilePath($config); if (!file_exists($file)) { return false; } return unlink($file); } /** * @param HTMLPurifier_Config $config * @return bool */ public function flush($config) { if (!$this->_prepareDir($config)) { return false; } $dir = $this->generateDirectoryPath($config); $dh = opendir($dir); // Apparently, on some versions of PHP, readdir will return // an empty string if you pass an invalid argument to readdir. // So you need this test. See #49. if (false === $dh) { return false; } while (false !== ($filename = readdir($dh))) { if (empty($filename)) { continue; } if ($filename[0] === '.') { continue; } unlink($dir . '/' . $filename); } closedir($dh); return true; } /** * @param HTMLPurifier_Config $config * @return bool */ public function cleanup($config) { if (!$this->_prepareDir($config)) { return false; } $dir = $this->generateDirectoryPath($config); $dh = opendir($dir); // See #49 (and above). if (false === $dh) { return false; } while (false !== ($filename = readdir($dh))) { if (empty($filename)) { continue; } if ($filename[0] === '.') { continue; } $key = substr($filename, 0, strlen($filename) - 4); if ($this->isOld($key, $config)) { unlink($dir . '/' . $filename); } } closedir($dh); return true; } /** * Generates the file path to the serial file corresponding to * the configuration and definition name * @param HTMLPurifier_Config $config * @return string * @todo Make protected */ public function generateFilePath($config) { $key = $this->generateKey($config); return $this->generateDirectoryPath($config) . '/' . $key . '.ser'; } /** * Generates the path to the directory contain this cache's serial files * @param HTMLPurifier_Config $config * @return string * @note No trailing slash * @todo Make protected */ public function generateDirectoryPath($config) { $base = $this->generateBaseDirectoryPath($config); return $base . '/' . $this->type; } /** * Generates path to base directory that contains all definition type * serials * @param HTMLPurifier_Config $config * @return mixed|string * @todo Make protected */ public function generateBaseDirectoryPath($config) { $base = $config->get('Cache.SerializerPath'); $base = is_null($base) ? HTMLPURIFIER_PREFIX . '/HTMLPurifier/DefinitionCache/Serializer' : $base; return $base; } /** * Convenience wrapper function for file_put_contents * @param string $file File name to write to * @param string $data Data to write into file * @param HTMLPurifier_Config $config * @return int|bool Number of bytes written if success, or false if failure. */ private function _write($file, $data, $config) { $result = file_put_contents($file, $data); if ($result !== false) { // set permissions of the new file (no execute) $chmod = $config->get('Cache.SerializerPermissions'); if ($chmod !== null) { chmod($file, $chmod & 0666); } } return $result; } /** * Prepares the directory that this type stores the serials in * @param HTMLPurifier_Config $config * @return bool True if successful */ private function _prepareDir($config) { $directory = $this->generateDirectoryPath($config); $chmod = $config->get('Cache.SerializerPermissions'); if ($chmod === null) { if (!@mkdir($directory) && !is_dir($directory)) { trigger_error( 'Could not create directory ' . $directory . '', E_USER_WARNING ); return false; } return true; } if (!is_dir($directory)) { $base = $this->generateBaseDirectoryPath($config); if (!is_dir($base)) { trigger_error( 'Base directory ' . $base . ' does not exist, please create or change using %Cache.SerializerPath', E_USER_WARNING ); return false; } elseif (!$this->_testPermissions($base, $chmod)) { return false; } if (!@mkdir($directory, $chmod) && !is_dir($directory)) { trigger_error( 'Could not create directory ' . $directory . '', E_USER_WARNING ); return false; } if (!$this->_testPermissions($directory, $chmod)) { return false; } } elseif (!$this->_testPermissions($directory, $chmod)) { return false; } return true; } /** * Tests permissions on a directory and throws out friendly * error messages and attempts to chmod it itself if possible * @param string $dir Directory path * @param int $chmod Permissions * @return bool True if directory is writable */ private function _testPermissions($dir, $chmod) { // early abort, if it is writable, everything is hunky-dory if (is_writable($dir)) { return true; } if (!is_dir($dir)) { // generally, you'll want to handle this beforehand // so a more specific error message can be given trigger_error( 'Directory ' . $dir . ' does not exist', E_USER_WARNING ); return false; } if (function_exists('posix_getuid') && $chmod !== null) { // POSIX system, we can give more specific advice if (fileowner($dir) === posix_getuid()) { // we can chmod it ourselves $chmod = $chmod | 0700; if (chmod($dir, $chmod)) { return true; } } elseif (filegroup($dir) === posix_getgid()) { $chmod = $chmod | 0070; } else { // PHP's probably running as nobody, so we'll // need to give global permissions $chmod = $chmod | 0777; } trigger_error( 'Directory ' . $dir . ' not writable, ' . 'please chmod to ' . decoct($chmod), E_USER_WARNING ); } else { // generic error message trigger_error( 'Directory ' . $dir . ' not writable, ' . 'please alter file permissions', E_USER_WARNING ); } return false; } } // vim: et sw=4 sts=4 definitions[$this->generateKey($config)] = $def; } return $status; } /** * @param HTMLPurifier_Definition $def * @param HTMLPurifier_Config $config * @return mixed */ public function set($def, $config) { $status = parent::set($def, $config); if ($status) { $this->definitions[$this->generateKey($config)] = $def; } return $status; } /** * @param HTMLPurifier_Definition $def * @param HTMLPurifier_Config $config * @return mixed */ public function replace($def, $config) { $status = parent::replace($def, $config); if ($status) { $this->definitions[$this->generateKey($config)] = $def; } return $status; } /** * @param HTMLPurifier_Config $config * @return mixed */ public function get($config) { $key = $this->generateKey($config); if (isset($this->definitions[$key])) { return $this->definitions[$key]; } $this->definitions[$key] = parent::get($config); return $this->definitions[$key]; } } // vim: et sw=4 sts=4 copy(); // reference is necessary for mocks in PHP 4 $decorator->cache =& $cache; $decorator->type = $cache->type; return $decorator; } /** * Cross-compatible clone substitute * @return HTMLPurifier_DefinitionCache_Decorator */ public function copy() { return new HTMLPurifier_DefinitionCache_Decorator(); } /** * @param HTMLPurifier_Definition $def * @param HTMLPurifier_Config $config * @return mixed */ public function add($def, $config) { return $this->cache->add($def, $config); } /** * @param HTMLPurifier_Definition $def * @param HTMLPurifier_Config $config * @return mixed */ public function set($def, $config) { return $this->cache->set($def, $config); } /** * @param HTMLPurifier_Definition $def * @param HTMLPurifier_Config $config * @return mixed */ public function replace($def, $config) { return $this->cache->replace($def, $config); } /** * @param HTMLPurifier_Config $config * @return mixed */ public function get($config) { return $this->cache->get($config); } /** * @param HTMLPurifier_Config $config * @return mixed */ public function remove($config) { return $this->cache->remove($config); } /** * @param HTMLPurifier_Config $config * @return mixed */ public function flush($config) { return $this->cache->flush($config); } /** * @param HTMLPurifier_Config $config * @return mixed */ public function cleanup($config) { return $this->cache->cleanup($config); } } // vim: et sw=4 sts=4 line = $l; $this->col = $c; } /** * Convenience function for DirectLex settings line/col position. * @param int $l * @param int $c */ public function rawPosition($l, $c) { if ($c === -1) { $l++; } $this->line = $l; $this->col = $c; } /** * Converts a token into its corresponding node. */ abstract public function toNode(); } // vim: et sw=4 sts=4 = $c) { $r .= self::unsafeIconv($in, $out, substr($text, $i)); break; } // wibble the boundary if (0x80 != (0xC0 & ord($text[$i + $max_chunk_size]))) { $chunk_size = $max_chunk_size; } elseif (0x80 != (0xC0 & ord($text[$i + $max_chunk_size - 1]))) { $chunk_size = $max_chunk_size - 1; } elseif (0x80 != (0xC0 & ord($text[$i + $max_chunk_size - 2]))) { $chunk_size = $max_chunk_size - 2; } elseif (0x80 != (0xC0 & ord($text[$i + $max_chunk_size - 3]))) { $chunk_size = $max_chunk_size - 3; } else { return false; // rather confusing UTF-8... } $chunk = substr($text, $i, $chunk_size); // substr doesn't mind overlong lengths $r .= self::unsafeIconv($in, $out, $chunk); $i += $chunk_size; } return $r; } else { return false; } } else { return false; } } /** * Cleans a UTF-8 string for well-formedness and SGML validity * * It will parse according to UTF-8 and return a valid UTF8 string, with * non-SGML codepoints excluded. * * Specifically, it will permit: * \x{9}\x{A}\x{D}\x{20}-\x{7E}\x{A0}-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF} * Source: https://www.w3.org/TR/REC-xml/#NT-Char * Arguably this function should be modernized to the HTML5 set * of allowed characters: * https://www.w3.org/TR/html5/syntax.html#preprocessing-the-input-stream * which simultaneously expand and restrict the set of allowed characters. * * @param string $str The string to clean * @param bool $force_php * @return string * * @note Just for reference, the non-SGML code points are 0 to 31 and * 127 to 159, inclusive. However, we allow code points 9, 10 * and 13, which are the tab, line feed and carriage return * respectively. 128 and above the code points map to multibyte * UTF-8 representations. * * @note Fallback code adapted from utf8ToUnicode by Henri Sivonen and * hsivonen@iki.fi at under the * LGPL license. Notes on what changed are inside, but in general, * the original code transformed UTF-8 text into an array of integer * Unicode codepoints. Understandably, transforming that back to * a string would be somewhat expensive, so the function was modded to * directly operate on the string. However, this discourages code * reuse, and the logic enumerated here would be useful for any * function that needs to be able to understand UTF-8 characters. * As of right now, only smart lossless character encoding converters * would need that, and I'm probably not going to implement them. */ public static function cleanUTF8($str, $force_php = false) { // UTF-8 validity is checked since PHP 4.3.5 // This is an optimization: if the string is already valid UTF-8, no // need to do PHP stuff. 99% of the time, this will be the case. if (preg_match( '/^[\x{9}\x{A}\x{D}\x{20}-\x{7E}\x{A0}-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF}]*$/Du', $str )) { return $str; } $mState = 0; // cached expected number of octets after the current octet // until the beginning of the next UTF8 character sequence $mUcs4 = 0; // cached Unicode character $mBytes = 1; // cached expected number of octets in the current sequence // original code involved an $out that was an array of Unicode // codepoints. Instead of having to convert back into UTF-8, we've // decided to directly append valid UTF-8 characters onto a string // $out once they're done. $char accumulates raw bytes, while $mUcs4 // turns into the Unicode code point, so there's some redundancy. $out = ''; $char = ''; $len = strlen($str); for ($i = 0; $i < $len; $i++) { $in = ord($str{$i}); $char .= $str[$i]; // append byte to char if (0 == $mState) { // When mState is zero we expect either a US-ASCII character // or a multi-octet sequence. if (0 == (0x80 & ($in))) { // US-ASCII, pass straight through. if (($in <= 31 || $in == 127) && !($in == 9 || $in == 13 || $in == 10) // save \r\t\n ) { // control characters, remove } else { $out .= $char; } // reset $char = ''; $mBytes = 1; } elseif (0xC0 == (0xE0 & ($in))) { // First octet of 2 octet sequence $mUcs4 = ($in); $mUcs4 = ($mUcs4 & 0x1F) << 6; $mState = 1; $mBytes = 2; } elseif (0xE0 == (0xF0 & ($in))) { // First octet of 3 octet sequence $mUcs4 = ($in); $mUcs4 = ($mUcs4 & 0x0F) << 12; $mState = 2; $mBytes = 3; } elseif (0xF0 == (0xF8 & ($in))) { // First octet of 4 octet sequence $mUcs4 = ($in); $mUcs4 = ($mUcs4 & 0x07) << 18; $mState = 3; $mBytes = 4; } elseif (0xF8 == (0xFC & ($in))) { // First octet of 5 octet sequence. // // This is illegal because the encoded codepoint must be // either: // (a) not the shortest form or // (b) outside the Unicode range of 0-0x10FFFF. // Rather than trying to resynchronize, we will carry on // until the end of the sequence and let the later error // handling code catch it. $mUcs4 = ($in); $mUcs4 = ($mUcs4 & 0x03) << 24; $mState = 4; $mBytes = 5; } elseif (0xFC == (0xFE & ($in))) { // First octet of 6 octet sequence, see comments for 5 // octet sequence. $mUcs4 = ($in); $mUcs4 = ($mUcs4 & 1) << 30; $mState = 5; $mBytes = 6; } else { // Current octet is neither in the US-ASCII range nor a // legal first octet of a multi-octet sequence. $mState = 0; $mUcs4 = 0; $mBytes = 1; $char = ''; } } else { // When mState is non-zero, we expect a continuation of the // multi-octet sequence if (0x80 == (0xC0 & ($in))) { // Legal continuation. $shift = ($mState - 1) * 6; $tmp = $in; $tmp = ($tmp & 0x0000003F) << $shift; $mUcs4 |= $tmp; if (0 == --$mState) { // End of the multi-octet sequence. mUcs4 now contains // the final Unicode codepoint to be output // Check for illegal sequences and codepoints. // From Unicode 3.1, non-shortest form is illegal if (((2 == $mBytes) && ($mUcs4 < 0x0080)) || ((3 == $mBytes) && ($mUcs4 < 0x0800)) || ((4 == $mBytes) && ($mUcs4 < 0x10000)) || (4 < $mBytes) || // From Unicode 3.2, surrogate characters = illegal (($mUcs4 & 0xFFFFF800) == 0xD800) || // Codepoints outside the Unicode range are illegal ($mUcs4 > 0x10FFFF) ) { } elseif (0xFEFF != $mUcs4 && // omit BOM // check for valid Char unicode codepoints ( 0x9 == $mUcs4 || 0xA == $mUcs4 || 0xD == $mUcs4 || (0x20 <= $mUcs4 && 0x7E >= $mUcs4) || // 7F-9F is not strictly prohibited by XML, // but it is non-SGML, and thus we don't allow it (0xA0 <= $mUcs4 && 0xD7FF >= $mUcs4) || (0xE000 <= $mUcs4 && 0xFFFD >= $mUcs4) || (0x10000 <= $mUcs4 && 0x10FFFF >= $mUcs4) ) ) { $out .= $char; } // initialize UTF8 cache (reset) $mState = 0; $mUcs4 = 0; $mBytes = 1; $char = ''; } } else { // ((0xC0 & (*in) != 0x80) && (mState != 0)) // Incomplete multi-octet sequence. // used to result in complete fail, but we'll reset $mState = 0; $mUcs4 = 0; $mBytes = 1; $char =''; } } } return $out; } /** * Translates a Unicode codepoint into its corresponding UTF-8 character. * @note Based on Feyd's function at * , * which is in public domain. * @note While we're going to do code point parsing anyway, a good * optimization would be to refuse to translate code points that * are non-SGML characters. However, this could lead to duplication. * @note This is very similar to the unichr function in * maintenance/generate-entity-file.php (although this is superior, * due to its sanity checks). */ // +----------+----------+----------+----------+ // | 33222222 | 22221111 | 111111 | | // | 10987654 | 32109876 | 54321098 | 76543210 | bit // +----------+----------+----------+----------+ // | | | | 0xxxxxxx | 1 byte 0x00000000..0x0000007F // | | | 110yyyyy | 10xxxxxx | 2 byte 0x00000080..0x000007FF // | | 1110zzzz | 10yyyyyy | 10xxxxxx | 3 byte 0x00000800..0x0000FFFF // | 11110www | 10wwzzzz | 10yyyyyy | 10xxxxxx | 4 byte 0x00010000..0x0010FFFF // +----------+----------+----------+----------+ // | 00000000 | 00011111 | 11111111 | 11111111 | Theoretical upper limit of legal scalars: 2097151 (0x001FFFFF) // | 00000000 | 00010000 | 11111111 | 11111111 | Defined upper limit of legal scalar codes // +----------+----------+----------+----------+ public static function unichr($code) { if ($code > 1114111 or $code < 0 or ($code >= 55296 and $code <= 57343) ) { // bits are set outside the "valid" range as defined // by UNICODE 4.1.0 return ''; } $x = $y = $z = $w = 0; if ($code < 128) { // regular ASCII character $x = $code; } else { // set up bits for UTF-8 $x = ($code & 63) | 128; if ($code < 2048) { $y = (($code & 2047) >> 6) | 192; } else { $y = (($code & 4032) >> 6) | 128; if ($code < 65536) { $z = (($code >> 12) & 15) | 224; } else { $z = (($code >> 12) & 63) | 128; $w = (($code >> 18) & 7) | 240; } } } // set up the actual character $ret = ''; if ($w) { $ret .= chr($w); } if ($z) { $ret .= chr($z); } if ($y) { $ret .= chr($y); } $ret .= chr($x); return $ret; } /** * @return bool */ public static function iconvAvailable() { static $iconv = null; if ($iconv === null) { $iconv = function_exists('iconv') && self::testIconvTruncateBug() != self::ICONV_UNUSABLE; } return $iconv; } /** * Convert a string to UTF-8 based on configuration. * @param string $str The string to convert * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return string */ public static function convertToUTF8($str, $config, $context) { $encoding = $config->get('Core.Encoding'); if ($encoding === 'utf-8') { return $str; } static $iconv = null; if ($iconv === null) { $iconv = self::iconvAvailable(); } if ($iconv && !$config->get('Test.ForceNoIconv')) { // unaffected by bugs, since UTF-8 support all characters $str = self::unsafeIconv($encoding, 'utf-8//IGNORE', $str); if ($str === false) { // $encoding is not a valid encoding trigger_error('Invalid encoding ' . $encoding, E_USER_ERROR); return ''; } // If the string is bjorked by Shift_JIS or a similar encoding // that doesn't support all of ASCII, convert the naughty // characters to their true byte-wise ASCII/UTF-8 equivalents. $str = strtr($str, self::testEncodingSupportsASCII($encoding)); return $str; } elseif ($encoding === 'iso-8859-1') { $str = utf8_encode($str); return $str; } $bug = HTMLPurifier_Encoder::testIconvTruncateBug(); if ($bug == self::ICONV_OK) { trigger_error('Encoding not supported, please install iconv', E_USER_ERROR); } else { trigger_error( 'You have a buggy version of iconv, see https://bugs.php.net/bug.php?id=48147 ' . 'and http://sourceware.org/bugzilla/show_bug.cgi?id=13541', E_USER_ERROR ); } } /** * Converts a string from UTF-8 based on configuration. * @param string $str The string to convert * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return string * @note Currently, this is a lossy conversion, with unexpressable * characters being omitted. */ public static function convertFromUTF8($str, $config, $context) { $encoding = $config->get('Core.Encoding'); if ($escape = $config->get('Core.EscapeNonASCIICharacters')) { $str = self::convertToASCIIDumbLossless($str); } if ($encoding === 'utf-8') { return $str; } static $iconv = null; if ($iconv === null) { $iconv = self::iconvAvailable(); } if ($iconv && !$config->get('Test.ForceNoIconv')) { // Undo our previous fix in convertToUTF8, otherwise iconv will barf $ascii_fix = self::testEncodingSupportsASCII($encoding); if (!$escape && !empty($ascii_fix)) { $clear_fix = array(); foreach ($ascii_fix as $utf8 => $native) { $clear_fix[$utf8] = ''; } $str = strtr($str, $clear_fix); } $str = strtr($str, array_flip($ascii_fix)); // Normal stuff $str = self::iconv('utf-8', $encoding . '//IGNORE', $str); return $str; } elseif ($encoding === 'iso-8859-1') { $str = utf8_decode($str); return $str; } trigger_error('Encoding not supported', E_USER_ERROR); // You might be tempted to assume that the ASCII representation // might be OK, however, this is *not* universally true over all // encodings. So we take the conservative route here, rather // than forcibly turn on %Core.EscapeNonASCIICharacters } /** * Lossless (character-wise) conversion of HTML to ASCII * @param string $str UTF-8 string to be converted to ASCII * @return string ASCII encoded string with non-ASCII character entity-ized * @warning Adapted from MediaWiki, claiming fair use: this is a common * algorithm. If you disagree with this license fudgery, * implement it yourself. * @note Uses decimal numeric entities since they are best supported. * @note This is a DUMB function: it has no concept of keeping * character entities that the projected character encoding * can allow. We could possibly implement a smart version * but that would require it to also know which Unicode * codepoints the charset supported (not an easy task). * @note Sort of with cleanUTF8() but it assumes that $str is * well-formed UTF-8 */ public static function convertToASCIIDumbLossless($str) { $bytesleft = 0; $result = ''; $working = 0; $len = strlen($str); for ($i = 0; $i < $len; $i++) { $bytevalue = ord($str[$i]); if ($bytevalue <= 0x7F) { //0xxx xxxx $result .= chr($bytevalue); $bytesleft = 0; } elseif ($bytevalue <= 0xBF) { //10xx xxxx $working = $working << 6; $working += ($bytevalue & 0x3F); $bytesleft--; if ($bytesleft <= 0) { $result .= "&#" . $working . ";"; } } elseif ($bytevalue <= 0xDF) { //110x xxxx $working = $bytevalue & 0x1F; $bytesleft = 1; } elseif ($bytevalue <= 0xEF) { //1110 xxxx $working = $bytevalue & 0x0F; $bytesleft = 2; } else { //1111 0xxx $working = $bytevalue & 0x07; $bytesleft = 3; } } return $result; } /** No bugs detected in iconv. */ const ICONV_OK = 0; /** Iconv truncates output if converting from UTF-8 to another * character set with //IGNORE, and a non-encodable character is found */ const ICONV_TRUNCATES = 1; /** Iconv does not support //IGNORE, making it unusable for * transcoding purposes */ const ICONV_UNUSABLE = 2; /** * glibc iconv has a known bug where it doesn't handle the magic * //IGNORE stanza correctly. In particular, rather than ignore * characters, it will return an EILSEQ after consuming some number * of characters, and expect you to restart iconv as if it were * an E2BIG. Old versions of PHP did not respect the errno, and * returned the fragment, so as a result you would see iconv * mysteriously truncating output. We can work around this by * manually chopping our input into segments of about 8000 * characters, as long as PHP ignores the error code. If PHP starts * paying attention to the error code, iconv becomes unusable. * * @return int Error code indicating severity of bug. */ public static function testIconvTruncateBug() { static $code = null; if ($code === null) { // better not use iconv, otherwise infinite loop! $r = self::unsafeIconv('utf-8', 'ascii//IGNORE', "\xCE\xB1" . str_repeat('a', 9000)); if ($r === false) { $code = self::ICONV_UNUSABLE; } elseif (($c = strlen($r)) < 9000) { $code = self::ICONV_TRUNCATES; } elseif ($c > 9000) { trigger_error( 'Your copy of iconv is extremely buggy. Please notify HTML Purifier maintainers: ' . 'include your iconv version as per phpversion()', E_USER_ERROR ); } else { $code = self::ICONV_OK; } } return $code; } /** * This expensive function tests whether or not a given character * encoding supports ASCII. 7/8-bit encodings like Shift_JIS will * fail this test, and require special processing. Variable width * encodings shouldn't ever fail. * * @param string $encoding Encoding name to test, as per iconv format * @param bool $bypass Whether or not to bypass the precompiled arrays. * @return Array of UTF-8 characters to their corresponding ASCII, * which can be used to "undo" any overzealous iconv action. */ public static function testEncodingSupportsASCII($encoding, $bypass = false) { // All calls to iconv here are unsafe, proof by case analysis: // If ICONV_OK, no difference. // If ICONV_TRUNCATE, all calls involve one character inputs, // so bug is not triggered. // If ICONV_UNUSABLE, this call is irrelevant static $encodings = array(); if (!$bypass) { if (isset($encodings[$encoding])) { return $encodings[$encoding]; } $lenc = strtolower($encoding); switch ($lenc) { case 'shift_jis': return array("\xC2\xA5" => '\\', "\xE2\x80\xBE" => '~'); case 'johab': return array("\xE2\x82\xA9" => '\\'); } if (strpos($lenc, 'iso-8859-') === 0) { return array(); } } $ret = array(); if (self::unsafeIconv('UTF-8', $encoding, 'a') === false) { return false; } for ($i = 0x20; $i <= 0x7E; $i++) { // all printable ASCII chars $c = chr($i); // UTF-8 char $r = self::unsafeIconv('UTF-8', "$encoding//IGNORE", $c); // initial conversion if ($r === '' || // This line is needed for iconv implementations that do not // omit characters that do not exist in the target character set ($r === $c && self::unsafeIconv($encoding, 'UTF-8//IGNORE', $r) !== $c) ) { // Reverse engineer: what's the UTF-8 equiv of this byte // sequence? This assumes that there's no variable width // encoding that doesn't support ASCII. $ret[self::unsafeIconv($encoding, 'UTF-8//IGNORE', $c)] = $c; } } $encodings[$encoding] = $ret; return $ret; } } // vim: et sw=4 sts=4 l = strlen($filter); $this->filter = $filter; } /** * @return bool */ public function accept() { $key = $this->getInnerIterator()->key(); if (strncmp($key, $this->filter, $this->l) !== 0) { return false; } return true; } } // vim: et sw=4 sts=4 confiscateAttr($attr, 'border'); // some validation should happen here $this->prependCSS($attr, "border:{$border_width}px solid;"); return $attr; } } // vim: et sw=4 sts=4 array('left', 'right'), 'vspace' => array('top', 'bottom') ); /** * @param string $attr */ public function __construct($attr) { $this->attr = $attr; if (!isset($this->css[$attr])) { trigger_error(htmlspecialchars($attr) . ' is not valid space attribute'); } } /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { if (!isset($attr[$this->attr])) { return $attr; } $width = $this->confiscateAttr($attr, $this->attr); // some validation could happen here if (!isset($this->css[$this->attr])) { return $attr; } $style = ''; foreach ($this->css[$this->attr] as $suffix) { $property = "margin-$suffix"; $style .= "$property:{$width}px;"; } $this->prependCSS($attr, $style); return $attr; } } // vim: et sw=4 sts=4 */ class HTMLPurifier_AttrTransform_ScriptRequired extends HTMLPurifier_AttrTransform { /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { if (!isset($attr['type'])) { $attr['type'] = 'text/javascript'; } return $attr; } } // vim: et sw=4 sts=4 parser = new HTMLPurifier_URIParser(); } /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { if (!isset($attr['href'])) { return $attr; } // XXX Kind of inefficient $url = $this->parser->parse($attr['href']); $scheme = $url->getSchemeObj($config, $context); if ($scheme->browsable && !$url->isLocal($config, $context)) { if (isset($attr['rel'])) { $rels = explode(' ', $attr['rel']); if (!in_array('nofollow', $rels)) { $rels[] = 'nofollow'; } $attr['rel'] = implode(' ', $rels); } else { $attr['rel'] = 'nofollow'; } } return $attr; } } // vim: et sw=4 sts=4 uri = new HTMLPurifier_AttrDef_URI(true); // embedded $this->wmode = new HTMLPurifier_AttrDef_Enum(array('window', 'opaque', 'transparent')); } /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { // If we add support for other objects, we'll need to alter the // transforms. switch ($attr['name']) { // application/x-shockwave-flash // Keep this synchronized with Injector/SafeObject.php case 'allowScriptAccess': $attr['value'] = 'never'; break; case 'allowNetworking': $attr['value'] = 'internal'; break; case 'allowFullScreen': if ($config->get('HTML.FlashAllowFullScreen')) { $attr['value'] = ($attr['value'] == 'true') ? 'true' : 'false'; } else { $attr['value'] = 'false'; } break; case 'wmode': $attr['value'] = $this->wmode->validate($attr['value'], $config, $context); break; case 'movie': case 'src': $attr['name'] = "movie"; $attr['value'] = $this->uri->validate($attr['value'], $config, $context); break; case 'flashvars': // we're going to allow arbitrary inputs to the SWF, on // the reasoning that it could only hack the SWF, not us. break; // add other cases to support other param name/value pairs default: $attr['name'] = $attr['value'] = null; } return $attr; } } // vim: et sw=4 sts=4 attr = $attr; $this->enumToCSS = $enum_to_css; $this->caseSensitive = (bool)$case_sensitive; } /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { if (!isset($attr[$this->attr])) { return $attr; } $value = trim($attr[$this->attr]); unset($attr[$this->attr]); if (!$this->caseSensitive) { $value = strtolower($value); } if (!isset($this->enumToCSS[$value])) { return $attr; } $this->prependCSS($attr, $this->enumToCSS[$value]); return $attr; } } // vim: et sw=4 sts=4 confiscateAttr($attr, 'background'); // some validation should happen here $this->prependCSS($attr, "background-image:url($background);"); return $attr; } } // vim: et sw=4 sts=4 confiscateAttr($attr, 'bgcolor'); // some validation should happen here $this->prependCSS($attr, "background-color:$bgcolor;"); return $attr; } } // vim: et sw=4 sts=4 get('Attr.DefaultTextDir'); return $attr; } } // vim: et sw=4 sts=4 idDef = new HTMLPurifier_AttrDef_HTML_ID(); } /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { if (!isset($attr['name'])) { return $attr; } $name = $attr['name']; if (isset($attr['id']) && $attr['id'] === $name) { return $attr; } $result = $this->idDef->validate($name, $config, $context); if ($result === false) { unset($attr['name']); } else { $attr['name'] = $result; } return $attr; } } // vim: et sw=4 sts=4 get('Core.RemoveInvalidImg')) { return $attr; } $attr['src'] = $config->get('Attr.DefaultInvalidImage'); $src = false; } if (!isset($attr['alt'])) { if ($src) { $alt = $config->get('Attr.DefaultImageAlt'); if ($alt === null) { $attr['alt'] = basename($attr['src']); } else { $attr['alt'] = $alt; } } else { $attr['alt'] = $config->get('Attr.DefaultInvalidImageAlt'); } } return $attr; } } // vim: et sw=4 sts=4 attr = $attr; $this->css = $css; } /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { if (!isset($attr[$this->attr])) { return $attr; } unset($attr[$this->attr]); $this->prependCSS($attr, $this->css); return $attr; } } // vim: et sw=4 sts=4 pixels = new HTMLPurifier_AttrDef_HTML_Pixels(); } /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { if (!isset($attr['type'])) { $t = 'text'; } else { $t = strtolower($attr['type']); } if (isset($attr['checked']) && $t !== 'radio' && $t !== 'checkbox') { unset($attr['checked']); } if (isset($attr['maxlength']) && $t !== 'text' && $t !== 'password') { unset($attr['maxlength']); } if (isset($attr['size']) && $t !== 'text' && $t !== 'password') { $result = $this->pixels->validate($attr['size'], $config, $context); if ($result === false) { unset($attr['size']); } else { $attr['size'] = $result; } } if (isset($attr['src']) && $t !== 'image') { unset($attr['src']); } if (!isset($attr['value']) && ($t === 'radio' || $t === 'checkbox')) { $attr['value'] = ''; } return $attr; } } // vim: et sw=4 sts=4 */ class HTMLPurifier_AttrTransform_Textarea extends HTMLPurifier_AttrTransform { /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { // Calculated from Firefox if (!isset($attr['cols'])) { $attr['cols'] = '22'; } if (!isset($attr['rows'])) { $attr['rows'] = '3'; } return $attr; } } // vim: et sw=4 sts=4 name = $name; $this->cssName = $css_name ? $css_name : $name; } /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { if (!isset($attr[$this->name])) { return $attr; } $length = $this->confiscateAttr($attr, $this->name); if (ctype_digit($length)) { $length .= 'px'; } $this->prependCSS($attr, $this->cssName . ":$length;"); return $attr; } } // vim: et sw=4 sts=4 get('HTML.Attr.Name.UseCDATA')) { return $attr; } if (!isset($attr['name'])) { return $attr; } $id = $this->confiscateAttr($attr, 'name'); if (isset($attr['id'])) { return $attr; } $attr['id'] = $id; return $attr; } } // vim: et sw=4 sts=4 parser = new HTMLPurifier_URIParser(); } /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { if (!isset($attr['href'])) { return $attr; } // XXX Kind of inefficient $url = $this->parser->parse($attr['href']); $scheme = $url->getSchemeObj($config, $context); if ($scheme->browsable && !$url->isBenign($config, $context)) { $attr['target'] = '_blank'; } return $attr; } } // vim: et sw=4 sts=4 array( 'xml:lang' => 'LanguageCode', ) ); } // vim: et sw=4 sts=4 get('HTML.MaxImgLength'); $object = $this->addElement( 'object', 'Inline', 'Optional: param | Flow | #PCDATA', 'Common', array( // While technically not required by the spec, we're forcing // it to this value. 'type' => 'Enum#application/x-shockwave-flash', 'width' => 'Pixels#' . $max, 'height' => 'Pixels#' . $max, 'data' => 'URI#embedded', 'codebase' => new HTMLPurifier_AttrDef_Enum( array( 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0' ) ), ) ); $object->attr_transform_post[] = new HTMLPurifier_AttrTransform_SafeObject(); $param = $this->addElement( 'param', false, 'Empty', false, array( 'id' => 'ID', 'name*' => 'Text', 'value' => 'Text' ) ); $param->attr_transform_post[] = new HTMLPurifier_AttrTransform_SafeParam(); $this->info_injector[] = 'SafeObject'; } } // vim: et sw=4 sts=4 addBlankElement('a'); $a->attr_transform_post[] = new HTMLPurifier_AttrTransform_Nofollow(); } } // vim: et sw=4 sts=4 addElement( 'ruby', 'Inline', 'Custom: ((rb, (rt | (rp, rt, rp))) | (rbc, rtc, rtc?))', 'Common' ); $this->addElement('rbc', false, 'Required: rb', 'Common'); $this->addElement('rtc', false, 'Required: rt', 'Common'); $rb = $this->addElement('rb', false, 'Inline', 'Common'); $rb->excludes = array('ruby' => true); $rt = $this->addElement('rt', false, 'Inline', 'Common', array('rbspan' => 'Number')); $rt->excludes = array('ruby' => true); $this->addElement('rp', false, 'Optional: #PCDATA', 'Common'); } } // vim: et sw=4 sts=4 'none', 'light', 'medium', 'heavy'); /** * Default level to place all fixes in. * Disabled by default. * @type string */ public $defaultLevel = null; /** * Lists of fixes used by getFixesForLevel(). * Format is: * HTMLModule_Tidy->fixesForLevel[$level] = array('fix-1', 'fix-2'); * @type array */ public $fixesForLevel = array( 'light' => array(), 'medium' => array(), 'heavy' => array() ); /** * Lazy load constructs the module by determining the necessary * fixes to create and then delegating to the populate() function. * @param HTMLPurifier_Config $config * @todo Wildcard matching and error reporting when an added or * subtracted fix has no effect. */ public function setup($config) { // create fixes, initialize fixesForLevel $fixes = $this->makeFixes(); $this->makeFixesForLevel($fixes); // figure out which fixes to use $level = $config->get('HTML.TidyLevel'); $fixes_lookup = $this->getFixesForLevel($level); // get custom fix declarations: these need namespace processing $add_fixes = $config->get('HTML.TidyAdd'); $remove_fixes = $config->get('HTML.TidyRemove'); foreach ($fixes as $name => $fix) { // needs to be refactored a little to implement globbing if (isset($remove_fixes[$name]) || (!isset($add_fixes[$name]) && !isset($fixes_lookup[$name]))) { unset($fixes[$name]); } } // populate this module with necessary fixes $this->populate($fixes); } /** * Retrieves all fixes per a level, returning fixes for that specific * level as well as all levels below it. * @param string $level level identifier, see $levels for valid values * @return array Lookup up table of fixes */ public function getFixesForLevel($level) { if ($level == $this->levels[0]) { return array(); } $activated_levels = array(); for ($i = 1, $c = count($this->levels); $i < $c; $i++) { $activated_levels[] = $this->levels[$i]; if ($this->levels[$i] == $level) { break; } } if ($i == $c) { trigger_error( 'Tidy level ' . htmlspecialchars($level) . ' not recognized', E_USER_WARNING ); return array(); } $ret = array(); foreach ($activated_levels as $level) { foreach ($this->fixesForLevel[$level] as $fix) { $ret[$fix] = true; } } return $ret; } /** * Dynamically populates the $fixesForLevel member variable using * the fixes array. It may be custom overloaded, used in conjunction * with $defaultLevel, or not used at all. * @param array $fixes */ public function makeFixesForLevel($fixes) { if (!isset($this->defaultLevel)) { return; } if (!isset($this->fixesForLevel[$this->defaultLevel])) { trigger_error( 'Default level ' . $this->defaultLevel . ' does not exist', E_USER_ERROR ); return; } $this->fixesForLevel[$this->defaultLevel] = array_keys($fixes); } /** * Populates the module with transforms and other special-case code * based on a list of fixes passed to it * @param array $fixes Lookup table of fixes to activate */ public function populate($fixes) { foreach ($fixes as $name => $fix) { // determine what the fix is for list($type, $params) = $this->getFixType($name); switch ($type) { case 'attr_transform_pre': case 'attr_transform_post': $attr = $params['attr']; if (isset($params['element'])) { $element = $params['element']; if (empty($this->info[$element])) { $e = $this->addBlankElement($element); } else { $e = $this->info[$element]; } } else { $type = "info_$type"; $e = $this; } // PHP does some weird parsing when I do // $e->$type[$attr], so I have to assign a ref. $f =& $e->$type; $f[$attr] = $fix; break; case 'tag_transform': $this->info_tag_transform[$params['element']] = $fix; break; case 'child': case 'content_model_type': $element = $params['element']; if (empty($this->info[$element])) { $e = $this->addBlankElement($element); } else { $e = $this->info[$element]; } $e->$type = $fix; break; default: trigger_error("Fix type $type not supported", E_USER_ERROR); break; } } } /** * Parses a fix name and determines what kind of fix it is, as well * as other information defined by the fix * @param $name String name of fix * @return array(string $fix_type, array $fix_parameters) * @note $fix_parameters is type dependant, see populate() for usage * of these parameters */ public function getFixType($name) { // parse it $property = $attr = null; if (strpos($name, '#') !== false) { list($name, $property) = explode('#', $name); } if (strpos($name, '@') !== false) { list($name, $attr) = explode('@', $name); } // figure out the parameters $params = array(); if ($name !== '') { $params['element'] = $name; } if (!is_null($attr)) { $params['attr'] = $attr; } // special case: attribute transform if (!is_null($attr)) { if (is_null($property)) { $property = 'pre'; } $type = 'attr_transform_' . $property; return array($type, $params); } // special case: tag transform if (is_null($property)) { return array('tag_transform', $params); } return array($property, $params); } /** * Defines all fixes the module will perform in a compact * associative array of fix name to fix implementation. * @return array */ public function makeFixes() { } } // vim: et sw=4 sts=4 addElement('hr', 'Block', 'Empty', 'Common'); $this->addElement('sub', 'Inline', 'Inline', 'Common'); $this->addElement('sup', 'Inline', 'Inline', 'Common'); $b = $this->addElement('b', 'Inline', 'Inline', 'Common'); $b->formatting = true; $big = $this->addElement('big', 'Inline', 'Inline', 'Common'); $big->formatting = true; $i = $this->addElement('i', 'Inline', 'Inline', 'Common'); $i->formatting = true; $small = $this->addElement('small', 'Inline', 'Inline', 'Common'); $small->formatting = true; $tt = $this->addElement('tt', 'Inline', 'Inline', 'Common'); $tt->formatting = true; } } // vim: et sw=4 sts=4 array( 'lang' => 'LanguageCode', ) ); } // vim: et sw=4 sts=4 addElement( 'a', 'Inline', 'Inline', 'Common', array( // 'accesskey' => 'Character', // 'charset' => 'Charset', 'href' => 'URI', // 'hreflang' => 'LanguageCode', 'rel' => new HTMLPurifier_AttrDef_HTML_LinkTypes('rel'), 'rev' => new HTMLPurifier_AttrDef_HTML_LinkTypes('rev'), // 'tabindex' => 'Number', // 'type' => 'ContentType', ) ); $a->formatting = true; $a->excludes = array('a' => true); } } // vim: et sw=4 sts=4 addBlankElement($name); $e->attr = array( 'target' => new HTMLPurifier_AttrDef_HTML_FrameTarget() ); } } } // vim: et sw=4 sts=4 'List'); /** * @param HTMLPurifier_Config $config */ public function setup($config) { $ol = $this->addElement('ol', 'List', new HTMLPurifier_ChildDef_List(), 'Common'); $ul = $this->addElement('ul', 'List', new HTMLPurifier_ChildDef_List(), 'Common'); // XXX The wrap attribute is handled by MakeWellFormed. This is all // quite unsatisfactory, because we generated this // *specifically* for lists, and now a big chunk of the handling // is done properly by the List ChildDef. So actually, we just // want enough information to make autoclosing work properly, // and then hand off the tricky stuff to the ChildDef. $ol->wrap = 'li'; $ul->wrap = 'li'; $this->addElement('dl', 'List', 'Required: dt | dd', 'Common'); $this->addElement('li', false, 'Flow', 'Common'); $this->addElement('dd', false, 'Flow', 'Common'); $this->addElement('dt', false, 'Inline', 'Common'); } } // vim: et sw=4 sts=4 to cater to legacy browsers: this * module does not allow this sort of behavior */ class HTMLPurifier_HTMLModule_Object extends HTMLPurifier_HTMLModule { /** * @type string */ public $name = 'Object'; /** * @type bool */ public $safe = false; /** * @param HTMLPurifier_Config $config */ public function setup($config) { $this->addElement( 'object', 'Inline', 'Optional: #PCDATA | Flow | param', 'Common', array( 'archive' => 'URI', 'classid' => 'URI', 'codebase' => 'URI', 'codetype' => 'Text', 'data' => 'URI', 'declare' => 'Bool#declare', 'height' => 'Length', 'name' => 'CDATA', 'standby' => 'Text', 'tabindex' => 'Number', 'type' => 'ContentType', 'width' => 'Length' ) ); $this->addElement( 'param', false, 'Empty', null, array( 'id' => 'ID', 'name*' => 'Text', 'type' => 'Text', 'value' => 'Text', 'valuetype' => 'Enum#data,ref,object' ) ); } } // vim: et sw=4 sts=4 array( 0 => array('Style'), // 'xml:space' => false, 'class' => 'Class', 'id' => 'ID', 'title' => 'CDATA', ), 'Lang' => array(), 'I18N' => array( 0 => array('Lang'), // proprietary, for xml:lang/lang ), 'Common' => array( 0 => array('Core', 'I18N') ) ); } // vim: et sw=4 sts=4 array('dir' => false) ); /** * @param HTMLPurifier_Config $config */ public function setup($config) { $bdo = $this->addElement( 'bdo', 'Inline', 'Inline', array('Core', 'Lang'), array( 'dir' => 'Enum#ltr,rtl', // required // The Abstract Module specification has the attribute // inclusions wrong for bdo: bdo allows Lang ) ); $bdo->attr_transform_post[] = new HTMLPurifier_AttrTransform_BdoDir(); $this->attr_collections['I18N']['dir'] = 'Enum#ltr,rtl'; } } // vim: et sw=4 sts=4 'text-align:left;', 'right' => 'text-align:right;', 'top' => 'caption-side:top;', 'bottom' => 'caption-side:bottom;' // not supported by IE ) ); // @align for img ------------------------------------------------- $r['img@align'] = new HTMLPurifier_AttrTransform_EnumToCSS( 'align', array( 'left' => 'float:left;', 'right' => 'float:right;', 'top' => 'vertical-align:top;', 'middle' => 'vertical-align:middle;', 'bottom' => 'vertical-align:baseline;', ) ); // @align for table ----------------------------------------------- $r['table@align'] = new HTMLPurifier_AttrTransform_EnumToCSS( 'align', array( 'left' => 'float:left;', 'center' => 'margin-left:auto;margin-right:auto;', 'right' => 'float:right;' ) ); // @align for hr ----------------------------------------------- $r['hr@align'] = new HTMLPurifier_AttrTransform_EnumToCSS( 'align', array( // we use both text-align and margin because these work // for different browsers (IE and Firefox, respectively) // and the melange makes for a pretty cross-compatible // solution 'left' => 'margin-left:0;margin-right:auto;text-align:left;', 'center' => 'margin-left:auto;margin-right:auto;text-align:center;', 'right' => 'margin-left:auto;margin-right:0;text-align:right;' ) ); // @align for h1, h2, h3, h4, h5, h6, p, div ---------------------- // {{{ $align_lookup = array(); $align_values = array('left', 'right', 'center', 'justify'); foreach ($align_values as $v) { $align_lookup[$v] = "text-align:$v;"; } // }}} $r['h1@align'] = $r['h2@align'] = $r['h3@align'] = $r['h4@align'] = $r['h5@align'] = $r['h6@align'] = $r['p@align'] = $r['div@align'] = new HTMLPurifier_AttrTransform_EnumToCSS('align', $align_lookup); // @bgcolor for table, tr, td, th --------------------------------- $r['table@bgcolor'] = $r['td@bgcolor'] = $r['th@bgcolor'] = new HTMLPurifier_AttrTransform_BgColor(); // @border for img ------------------------------------------------ $r['img@border'] = new HTMLPurifier_AttrTransform_Border(); // @clear for br -------------------------------------------------- $r['br@clear'] = new HTMLPurifier_AttrTransform_EnumToCSS( 'clear', array( 'left' => 'clear:left;', 'right' => 'clear:right;', 'all' => 'clear:both;', 'none' => 'clear:none;', ) ); // @height for td, th --------------------------------------------- $r['td@height'] = $r['th@height'] = new HTMLPurifier_AttrTransform_Length('height'); // @hspace for img ------------------------------------------------ $r['img@hspace'] = new HTMLPurifier_AttrTransform_ImgSpace('hspace'); // @noshade for hr ------------------------------------------------ // this transformation is not precise but often good enough. // different browsers use different styles to designate noshade $r['hr@noshade'] = new HTMLPurifier_AttrTransform_BoolToCSS( 'noshade', 'color:#808080;background-color:#808080;border:0;' ); // @nowrap for td, th --------------------------------------------- $r['td@nowrap'] = $r['th@nowrap'] = new HTMLPurifier_AttrTransform_BoolToCSS( 'nowrap', 'white-space:nowrap;' ); // @size for hr -------------------------------------------------- $r['hr@size'] = new HTMLPurifier_AttrTransform_Length('size', 'height'); // @type for li, ol, ul ------------------------------------------- // {{{ $ul_types = array( 'disc' => 'list-style-type:disc;', 'square' => 'list-style-type:square;', 'circle' => 'list-style-type:circle;' ); $ol_types = array( '1' => 'list-style-type:decimal;', 'i' => 'list-style-type:lower-roman;', 'I' => 'list-style-type:upper-roman;', 'a' => 'list-style-type:lower-alpha;', 'A' => 'list-style-type:upper-alpha;' ); $li_types = $ul_types + $ol_types; // }}} $r['ul@type'] = new HTMLPurifier_AttrTransform_EnumToCSS('type', $ul_types); $r['ol@type'] = new HTMLPurifier_AttrTransform_EnumToCSS('type', $ol_types, true); $r['li@type'] = new HTMLPurifier_AttrTransform_EnumToCSS('type', $li_types, true); // @vspace for img ------------------------------------------------ $r['img@vspace'] = new HTMLPurifier_AttrTransform_ImgSpace('vspace'); // @width for hr, td, th ------------------------------------------ $r['td@width'] = $r['th@width'] = $r['hr@width'] = new HTMLPurifier_AttrTransform_Length('width'); return $r; } } // vim: et sw=4 sts=4 content_model_type != 'strictblockquote') { return parent::getChildDef($def); } return new HTMLPurifier_ChildDef_StrictBlockquote($def->content_model); } } // vim: et sw=4 sts=4 addBlankElement('a'); $a->attr_transform_post[] = new HTMLPurifier_AttrTransform_TargetNoopener(); } } addElement('caption', false, 'Inline', 'Common'); $this->addElement( 'table', 'Block', new HTMLPurifier_ChildDef_Table(), 'Common', array( 'border' => 'Pixels', 'cellpadding' => 'Length', 'cellspacing' => 'Length', 'frame' => 'Enum#void,above,below,hsides,lhs,rhs,vsides,box,border', 'rules' => 'Enum#none,groups,rows,cols,all', 'summary' => 'Text', 'width' => 'Length' ) ); // common attributes $cell_align = array( 'align' => 'Enum#left,center,right,justify,char', 'charoff' => 'Length', 'valign' => 'Enum#top,middle,bottom,baseline', ); $cell_t = array_merge( array( 'abbr' => 'Text', 'colspan' => 'Number', 'rowspan' => 'Number', // Apparently, as of HTML5 this attribute only applies // to 'th' elements. 'scope' => 'Enum#row,col,rowgroup,colgroup', ), $cell_align ); $this->addElement('td', false, 'Flow', 'Common', $cell_t); $this->addElement('th', false, 'Flow', 'Common', $cell_t); $this->addElement('tr', false, 'Required: td | th', 'Common', $cell_align); $cell_col = array_merge( array( 'span' => 'Number', 'width' => 'MultiLength', ), $cell_align ); $this->addElement('col', false, 'Empty', 'Common', $cell_col); $this->addElement('colgroup', false, 'Optional: col', 'Common', $cell_col); $this->addElement('tbody', false, 'Required: tr', 'Common', $cell_align); $this->addElement('thead', false, 'Required: tr', 'Common', $cell_align); $this->addElement('tfoot', false, 'Required: tr', 'Common', $cell_align); } } // vim: et sw=4 sts=4 array('style' => false), // see constructor 'Core' => array(0 => array('Style')) ); /** * @param HTMLPurifier_Config $config */ public function setup($config) { $this->attr_collections['Style']['style'] = new HTMLPurifier_AttrDef_CSS(); } } // vim: et sw=4 sts=4 'URI', // 'datetime' => 'Datetime', // not implemented ); $this->addElement('del', 'Inline', $contents, 'Common', $attr); $this->addElement('ins', 'Inline', $contents, 'Common', $attr); } // HTML 4.01 specifies that ins/del must not contain block // elements when used in an inline context, chameleon is // a complicated workaround to acheive this effect // Inline context ! Block context (exclamation mark is // separator, see getChildDef for parsing) /** * @type bool */ public $defines_child_def = true; /** * @param HTMLPurifier_ElementDef $def * @return HTMLPurifier_ChildDef_Chameleon */ public function getChildDef($def) { if ($def->content_model_type != 'chameleon') { return false; } $value = explode('!', $def->content_model); return new HTMLPurifier_ChildDef_Chameleon($value[0], $value[1]); } } // vim: et sw=4 sts=4 addBlankElement('a'); $a->attr_transform_post[] = new HTMLPurifier_AttrTransform_TargetNoreferrer(); } } addBlankElement($name); $element->attr['name'] = 'CDATA'; if (!$config->get('HTML.Attr.Name.UseCDATA')) { $element->attr_transform_post[] = new HTMLPurifier_AttrTransform_NameSync(); } } } } // vim: et sw=4 sts=4 get('HTML.SafeScripting'); $script = $this->addElement( 'script', 'Inline', 'Empty', null, array( // While technically not required by the spec, we're forcing // it to this value. 'type' => 'Enum#text/javascript', 'src*' => new HTMLPurifier_AttrDef_Enum(array_keys($allowed)) ) ); $script->attr_transform_pre[] = $script->attr_transform_post[] = new HTMLPurifier_AttrTransform_ScriptRequired(); } } // vim: et sw=4 sts=4 'script | noscript', 'Inline' => 'script | noscript'); /** * @type bool */ public $safe = false; /** * @param HTMLPurifier_Config $config */ public function setup($config) { // TODO: create custom child-definition for noscript that // auto-wraps stray #PCDATA in a similar manner to // blockquote's custom definition (we would use it but // blockquote's contents are optional while noscript's contents // are required) // TODO: convert this to new syntax, main problem is getting // both content sets working // In theory, this could be safe, but I don't see any reason to // allow it. $this->info['noscript'] = new HTMLPurifier_ElementDef(); $this->info['noscript']->attr = array(0 => array('Common')); $this->info['noscript']->content_model = 'Heading | List | Block'; $this->info['noscript']->content_model_type = 'required'; $this->info['script'] = new HTMLPurifier_ElementDef(); $this->info['script']->attr = array( 'defer' => new HTMLPurifier_AttrDef_Enum(array('defer')), 'src' => new HTMLPurifier_AttrDef_URI(true), 'type' => new HTMLPurifier_AttrDef_Enum(array('text/javascript')) ); $this->info['script']->content_model = '#PCDATA'; $this->info['script']->content_model_type = 'optional'; $this->info['script']->attr_transform_pre[] = $this->info['script']->attr_transform_post[] = new HTMLPurifier_AttrTransform_ScriptRequired(); } } // vim: et sw=4 sts=4 addBlankElement('a'); $a->attr_transform_post[] = new HTMLPurifier_AttrTransform_TargetBlank(); } } // vim: et sw=4 sts=4 get('HTML.MaxImgLength'); $embed = $this->addElement( 'embed', 'Inline', 'Empty', 'Common', array( 'src*' => 'URI#embedded', 'type' => 'Enum#application/x-shockwave-flash', 'width' => 'Pixels#' . $max, 'height' => 'Pixels#' . $max, 'allowscriptaccess' => 'Enum#never', 'allownetworking' => 'Enum#internal', 'flashvars' => 'Text', 'wmode' => 'Enum#window,transparent,opaque', 'name' => 'ID', ) ); $embed->attr_transform_post[] = new HTMLPurifier_AttrTransform_SafeEmbed(); } } // vim: et sw=4 sts=4 get('HTML.SafeIframe')) { $this->safe = true; } $this->addElement( 'iframe', 'Inline', 'Flow', 'Common', array( 'src' => 'URI#embedded', 'width' => 'Length', 'height' => 'Length', 'name' => 'ID', 'scrolling' => 'Enum#yes,no,auto', 'frameborder' => 'Enum#0,1', 'longdesc' => 'URI', 'marginheight' => 'Pixels', 'marginwidth' => 'Pixels', ) ); } } // vim: et sw=4 sts=4 'Heading | Block | Inline' ); /** * @param HTMLPurifier_Config $config */ public function setup($config) { // Inline Phrasal ------------------------------------------------- $this->addElement('abbr', 'Inline', 'Inline', 'Common'); $this->addElement('acronym', 'Inline', 'Inline', 'Common'); $this->addElement('cite', 'Inline', 'Inline', 'Common'); $this->addElement('dfn', 'Inline', 'Inline', 'Common'); $this->addElement('kbd', 'Inline', 'Inline', 'Common'); $this->addElement('q', 'Inline', 'Inline', 'Common', array('cite' => 'URI')); $this->addElement('samp', 'Inline', 'Inline', 'Common'); $this->addElement('var', 'Inline', 'Inline', 'Common'); $em = $this->addElement('em', 'Inline', 'Inline', 'Common'); $em->formatting = true; $strong = $this->addElement('strong', 'Inline', 'Inline', 'Common'); $strong->formatting = true; $code = $this->addElement('code', 'Inline', 'Inline', 'Common'); $code->formatting = true; // Inline Structural ---------------------------------------------- $this->addElement('span', 'Inline', 'Inline', 'Common'); $this->addElement('br', 'Inline', 'Empty', 'Core'); // Block Phrasal -------------------------------------------------- $this->addElement('address', 'Block', 'Inline', 'Common'); $this->addElement('blockquote', 'Block', 'Optional: Heading | Block | List', 'Common', array('cite' => 'URI')); $pre = $this->addElement('pre', 'Block', 'Inline', 'Common'); $pre->excludes = $this->makeLookup( 'img', 'big', 'small', 'object', 'applet', 'font', 'basefont' ); $this->addElement('h1', 'Heading', 'Inline', 'Common'); $this->addElement('h2', 'Heading', 'Inline', 'Common'); $this->addElement('h3', 'Heading', 'Inline', 'Common'); $this->addElement('h4', 'Heading', 'Inline', 'Common'); $this->addElement('h5', 'Heading', 'Inline', 'Common'); $this->addElement('h6', 'Heading', 'Inline', 'Common'); // Block Structural ----------------------------------------------- $p = $this->addElement('p', 'Block', 'Inline', 'Common'); $p->autoclose = array_flip( array("address", "blockquote", "center", "dir", "div", "dl", "fieldset", "ol", "p", "ul") ); $this->addElement('div', 'Block', 'Flow', 'Common'); } } // vim: et sw=4 sts=4 get('HTML.MaxImgLength'); $img = $this->addElement( 'img', 'Inline', 'Empty', 'Common', array( 'alt*' => 'Text', // According to the spec, it's Length, but percents can // be abused, so we allow only Pixels. 'height' => 'Pixels#' . $max, 'width' => 'Pixels#' . $max, 'longdesc' => 'URI', 'src*' => new HTMLPurifier_AttrDef_URI(true), // embedded ) ); if ($max === null || $config->get('HTML.Trusted')) { $img->attr['height'] = $img->attr['width'] = 'Length'; } // kind of strange, but splitting things up would be inefficient $img->attr_transform_pre[] = $img->attr_transform_post[] = new HTMLPurifier_AttrTransform_ImgRequired(); } } // vim: et sw=4 sts=4 'Form', 'Inline' => 'Formctrl', ); /** * @param HTMLPurifier_Config $config */ public function setup($config) { $form = $this->addElement( 'form', 'Form', 'Required: Heading | List | Block | fieldset', 'Common', array( 'accept' => 'ContentTypes', 'accept-charset' => 'Charsets', 'action*' => 'URI', 'method' => 'Enum#get,post', // really ContentType, but these two are the only ones used today 'enctype' => 'Enum#application/x-www-form-urlencoded,multipart/form-data', ) ); $form->excludes = array('form' => true); $input = $this->addElement( 'input', 'Formctrl', 'Empty', 'Common', array( 'accept' => 'ContentTypes', 'accesskey' => 'Character', 'alt' => 'Text', 'checked' => 'Bool#checked', 'disabled' => 'Bool#disabled', 'maxlength' => 'Number', 'name' => 'CDATA', 'readonly' => 'Bool#readonly', 'size' => 'Number', 'src' => 'URI#embedded', 'tabindex' => 'Number', 'type' => 'Enum#text,password,checkbox,button,radio,submit,reset,file,hidden,image', 'value' => 'CDATA', ) ); $input->attr_transform_post[] = new HTMLPurifier_AttrTransform_Input(); $this->addElement( 'select', 'Formctrl', 'Required: optgroup | option', 'Common', array( 'disabled' => 'Bool#disabled', 'multiple' => 'Bool#multiple', 'name' => 'CDATA', 'size' => 'Number', 'tabindex' => 'Number', ) ); $this->addElement( 'option', false, 'Optional: #PCDATA', 'Common', array( 'disabled' => 'Bool#disabled', 'label' => 'Text', 'selected' => 'Bool#selected', 'value' => 'CDATA', ) ); // It's illegal for there to be more than one selected, but not // be multiple. Also, no selected means undefined behavior. This might // be difficult to implement; perhaps an injector, or a context variable. $textarea = $this->addElement( 'textarea', 'Formctrl', 'Optional: #PCDATA', 'Common', array( 'accesskey' => 'Character', 'cols*' => 'Number', 'disabled' => 'Bool#disabled', 'name' => 'CDATA', 'readonly' => 'Bool#readonly', 'rows*' => 'Number', 'tabindex' => 'Number', ) ); $textarea->attr_transform_pre[] = new HTMLPurifier_AttrTransform_Textarea(); $button = $this->addElement( 'button', 'Formctrl', 'Optional: #PCDATA | Heading | List | Block | Inline', 'Common', array( 'accesskey' => 'Character', 'disabled' => 'Bool#disabled', 'name' => 'CDATA', 'tabindex' => 'Number', 'type' => 'Enum#button,submit,reset', 'value' => 'CDATA', ) ); // For exclusions, ideally we'd specify content sets, not literal elements $button->excludes = $this->makeLookup( 'form', 'fieldset', // Form 'input', 'select', 'textarea', 'label', 'button', // Formctrl 'a', // as per HTML 4.01 spec, this is omitted by modularization 'isindex', 'iframe' // legacy items ); // Extra exclusion: img usemap="" is not permitted within this element. // We'll omit this for now, since we don't have any good way of // indicating it yet. // This is HIGHLY user-unfriendly; we need a custom child-def for this $this->addElement('fieldset', 'Form', 'Custom: (#WS?,legend,(Flow|#PCDATA)*)', 'Common'); $label = $this->addElement( 'label', 'Formctrl', 'Optional: #PCDATA | Inline', 'Common', array( 'accesskey' => 'Character', // 'for' => 'IDREF', // IDREF not implemented, cannot allow ) ); $label->excludes = array('label' => true); $this->addElement( 'legend', false, 'Optional: #PCDATA | Inline', 'Common', array( 'accesskey' => 'Character', ) ); $this->addElement( 'optgroup', false, 'Required: option', 'Common', array( 'disabled' => 'Bool#disabled', 'label*' => 'Text', ) ); // Don't forget an injector for . This one's a little complex // because it maps to multiple elements. } } // vim: et sw=4 sts=4 addElement( 'basefont', 'Inline', 'Empty', null, array( 'color' => 'Color', 'face' => 'Text', // extremely broad, we should 'size' => 'Text', // tighten it 'id' => 'ID' ) ); $this->addElement('center', 'Block', 'Flow', 'Common'); $this->addElement( 'dir', 'Block', 'Required: li', 'Common', array( 'compact' => 'Bool#compact' ) ); $this->addElement( 'font', 'Inline', 'Inline', array('Core', 'I18N'), array( 'color' => 'Color', 'face' => 'Text', // extremely broad, we should 'size' => 'Text', // tighten it ) ); $this->addElement( 'menu', 'Block', 'Required: li', 'Common', array( 'compact' => 'Bool#compact' ) ); $s = $this->addElement('s', 'Inline', 'Inline', 'Common'); $s->formatting = true; $strike = $this->addElement('strike', 'Inline', 'Inline', 'Common'); $strike->formatting = true; $u = $this->addElement('u', 'Inline', 'Inline', 'Common'); $u->formatting = true; // setup modifications to old elements $align = 'Enum#left,right,center,justify'; $address = $this->addBlankElement('address'); $address->content_model = 'Inline | #PCDATA | p'; $address->content_model_type = 'optional'; $address->child = false; $blockquote = $this->addBlankElement('blockquote'); $blockquote->content_model = 'Flow | #PCDATA'; $blockquote->content_model_type = 'optional'; $blockquote->child = false; $br = $this->addBlankElement('br'); $br->attr['clear'] = 'Enum#left,all,right,none'; $caption = $this->addBlankElement('caption'); $caption->attr['align'] = 'Enum#top,bottom,left,right'; $div = $this->addBlankElement('div'); $div->attr['align'] = $align; $dl = $this->addBlankElement('dl'); $dl->attr['compact'] = 'Bool#compact'; for ($i = 1; $i <= 6; $i++) { $h = $this->addBlankElement("h$i"); $h->attr['align'] = $align; } $hr = $this->addBlankElement('hr'); $hr->attr['align'] = $align; $hr->attr['noshade'] = 'Bool#noshade'; $hr->attr['size'] = 'Pixels'; $hr->attr['width'] = 'Length'; $img = $this->addBlankElement('img'); $img->attr['align'] = 'IAlign'; $img->attr['border'] = 'Pixels'; $img->attr['hspace'] = 'Pixels'; $img->attr['vspace'] = 'Pixels'; // figure out this integer business $li = $this->addBlankElement('li'); $li->attr['value'] = new HTMLPurifier_AttrDef_Integer(); $li->attr['type'] = 'Enum#s:1,i,I,a,A,disc,square,circle'; $ol = $this->addBlankElement('ol'); $ol->attr['compact'] = 'Bool#compact'; $ol->attr['start'] = new HTMLPurifier_AttrDef_Integer(); $ol->attr['type'] = 'Enum#s:1,i,I,a,A'; $p = $this->addBlankElement('p'); $p->attr['align'] = $align; $pre = $this->addBlankElement('pre'); $pre->attr['width'] = 'Number'; // script omitted $table = $this->addBlankElement('table'); $table->attr['align'] = 'Enum#left,center,right'; $table->attr['bgcolor'] = 'Color'; $tr = $this->addBlankElement('tr'); $tr->attr['bgcolor'] = 'Color'; $th = $this->addBlankElement('th'); $th->attr['bgcolor'] = 'Color'; $th->attr['height'] = 'Length'; $th->attr['nowrap'] = 'Bool#nowrap'; $th->attr['width'] = 'Length'; $td = $this->addBlankElement('td'); $td->attr['bgcolor'] = 'Color'; $td->attr['height'] = 'Length'; $td->attr['nowrap'] = 'Bool#nowrap'; $td->attr['width'] = 'Length'; $ul = $this->addBlankElement('ul'); $ul->attr['compact'] = 'Bool#compact'; $ul->attr['type'] = 'Enum#square,disc,circle'; // "safe" modifications to "unsafe" elements // WARNING: If you want to add support for an unsafe, legacy // attribute, make a new TrustedLegacy module with the trusted // bit set appropriately $form = $this->addBlankElement('form'); $form->content_model = 'Flow | #PCDATA'; $form->content_model_type = 'optional'; $form->attr['target'] = 'FrameTarget'; $input = $this->addBlankElement('input'); $input->attr['align'] = 'IAlign'; $legend = $this->addBlankElement('legend'); $legend->attr['align'] = 'LAlign'; } } // vim: et sw=4 sts=4 addElement( 'marquee', 'Inline', 'Flow', 'Common', array( 'direction' => 'Enum#left,right,up,down', 'behavior' => 'Enum#alternate', 'width' => 'Length', 'height' => 'Length', 'scrolldelay' => 'Number', 'scrollamount' => 'Number', 'loop' => 'Number', 'bgcolor' => 'Color', 'hspace' => 'Pixels', 'vspace' => 'Pixels', ) ); } } // vim: et sw=4 sts=4 info['text-align'] = new HTMLPurifier_AttrDef_Enum( array('left', 'right', 'center', 'justify'), false ); $border_style = $this->info['border-bottom-style'] = $this->info['border-right-style'] = $this->info['border-left-style'] = $this->info['border-top-style'] = new HTMLPurifier_AttrDef_Enum( array( 'none', 'hidden', 'dotted', 'dashed', 'solid', 'double', 'groove', 'ridge', 'inset', 'outset' ), false ); $this->info['border-style'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_style); $this->info['clear'] = new HTMLPurifier_AttrDef_Enum( array('none', 'left', 'right', 'both'), false ); $this->info['float'] = new HTMLPurifier_AttrDef_Enum( array('none', 'left', 'right'), false ); $this->info['font-style'] = new HTMLPurifier_AttrDef_Enum( array('normal', 'italic', 'oblique'), false ); $this->info['font-variant'] = new HTMLPurifier_AttrDef_Enum( array('normal', 'small-caps'), false ); $uri_or_none = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_Enum(array('none')), new HTMLPurifier_AttrDef_CSS_URI() ) ); $this->info['list-style-position'] = new HTMLPurifier_AttrDef_Enum( array('inside', 'outside'), false ); $this->info['list-style-type'] = new HTMLPurifier_AttrDef_Enum( array( 'disc', 'circle', 'square', 'decimal', 'lower-roman', 'upper-roman', 'lower-alpha', 'upper-alpha', 'none' ), false ); $this->info['list-style-image'] = $uri_or_none; $this->info['list-style'] = new HTMLPurifier_AttrDef_CSS_ListStyle($config); $this->info['text-transform'] = new HTMLPurifier_AttrDef_Enum( array('capitalize', 'uppercase', 'lowercase', 'none'), false ); $this->info['color'] = new HTMLPurifier_AttrDef_CSS_Color(); $this->info['background-image'] = $uri_or_none; $this->info['background-repeat'] = new HTMLPurifier_AttrDef_Enum( array('repeat', 'repeat-x', 'repeat-y', 'no-repeat') ); $this->info['background-attachment'] = new HTMLPurifier_AttrDef_Enum( array('scroll', 'fixed') ); $this->info['background-position'] = new HTMLPurifier_AttrDef_CSS_BackgroundPosition(); $border_color = $this->info['border-top-color'] = $this->info['border-bottom-color'] = $this->info['border-left-color'] = $this->info['border-right-color'] = $this->info['background-color'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_Enum(array('transparent')), new HTMLPurifier_AttrDef_CSS_Color() ) ); $this->info['background'] = new HTMLPurifier_AttrDef_CSS_Background($config); $this->info['border-color'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_color); $border_width = $this->info['border-top-width'] = $this->info['border-bottom-width'] = $this->info['border-left-width'] = $this->info['border-right-width'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_Enum(array('thin', 'medium', 'thick')), new HTMLPurifier_AttrDef_CSS_Length('0') //disallow negative ) ); $this->info['border-width'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_width); $this->info['letter-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_Enum(array('normal')), new HTMLPurifier_AttrDef_CSS_Length() ) ); $this->info['word-spacing'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_Enum(array('normal')), new HTMLPurifier_AttrDef_CSS_Length() ) ); $this->info['font-size'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_Enum( array( 'xx-small', 'x-small', 'small', 'medium', 'large', 'x-large', 'xx-large', 'larger', 'smaller' ) ), new HTMLPurifier_AttrDef_CSS_Percentage(), new HTMLPurifier_AttrDef_CSS_Length() ) ); $this->info['line-height'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_Enum(array('normal')), new HTMLPurifier_AttrDef_CSS_Number(true), // no negatives new HTMLPurifier_AttrDef_CSS_Length('0'), new HTMLPurifier_AttrDef_CSS_Percentage(true) ) ); $margin = $this->info['margin-top'] = $this->info['margin-bottom'] = $this->info['margin-left'] = $this->info['margin-right'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_CSS_Length(), new HTMLPurifier_AttrDef_CSS_Percentage(), new HTMLPurifier_AttrDef_Enum(array('auto')) ) ); $this->info['margin'] = new HTMLPurifier_AttrDef_CSS_Multiple($margin); // non-negative $padding = $this->info['padding-top'] = $this->info['padding-bottom'] = $this->info['padding-left'] = $this->info['padding-right'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_CSS_Length('0'), new HTMLPurifier_AttrDef_CSS_Percentage(true) ) ); $this->info['padding'] = new HTMLPurifier_AttrDef_CSS_Multiple($padding); $this->info['text-indent'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_CSS_Length(), new HTMLPurifier_AttrDef_CSS_Percentage() ) ); $trusted_wh = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_CSS_Length('0'), new HTMLPurifier_AttrDef_CSS_Percentage(true), new HTMLPurifier_AttrDef_Enum(array('auto')) ) ); $max = $config->get('CSS.MaxImgLength'); $this->info['min-width'] = $this->info['max-width'] = $this->info['min-height'] = $this->info['max-height'] = $this->info['width'] = $this->info['height'] = $max === null ? $trusted_wh : new HTMLPurifier_AttrDef_Switch( 'img', // For img tags: new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_CSS_Length('0', $max), new HTMLPurifier_AttrDef_Enum(array('auto')) ) ), // For everyone else: $trusted_wh ); $this->info['text-decoration'] = new HTMLPurifier_AttrDef_CSS_TextDecoration(); $this->info['font-family'] = new HTMLPurifier_AttrDef_CSS_FontFamily(); // this could use specialized code $this->info['font-weight'] = new HTMLPurifier_AttrDef_Enum( array( 'normal', 'bold', 'bolder', 'lighter', '100', '200', '300', '400', '500', '600', '700', '800', '900' ), false ); // MUST be called after other font properties, as it references // a CSSDefinition object $this->info['font'] = new HTMLPurifier_AttrDef_CSS_Font($config); // same here $this->info['border'] = $this->info['border-bottom'] = $this->info['border-top'] = $this->info['border-left'] = $this->info['border-right'] = new HTMLPurifier_AttrDef_CSS_Border($config); $this->info['border-collapse'] = new HTMLPurifier_AttrDef_Enum( array('collapse', 'separate') ); $this->info['caption-side'] = new HTMLPurifier_AttrDef_Enum( array('top', 'bottom') ); $this->info['table-layout'] = new HTMLPurifier_AttrDef_Enum( array('auto', 'fixed') ); $this->info['vertical-align'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_Enum( array( 'baseline', 'sub', 'super', 'top', 'text-top', 'middle', 'bottom', 'text-bottom' ) ), new HTMLPurifier_AttrDef_CSS_Length(), new HTMLPurifier_AttrDef_CSS_Percentage() ) ); $this->info['border-spacing'] = new HTMLPurifier_AttrDef_CSS_Multiple(new HTMLPurifier_AttrDef_CSS_Length(), 2); // These CSS properties don't work on many browsers, but we live // in THE FUTURE! $this->info['white-space'] = new HTMLPurifier_AttrDef_Enum( array('nowrap', 'normal', 'pre', 'pre-wrap', 'pre-line') ); if ($config->get('CSS.Proprietary')) { $this->doSetupProprietary($config); } if ($config->get('CSS.AllowTricky')) { $this->doSetupTricky($config); } if ($config->get('CSS.Trusted')) { $this->doSetupTrusted($config); } $allow_important = $config->get('CSS.AllowImportant'); // wrap all attr-defs with decorator that handles !important foreach ($this->info as $k => $v) { $this->info[$k] = new HTMLPurifier_AttrDef_CSS_ImportantDecorator($v, $allow_important); } $this->setupConfigStuff($config); } /** * @param HTMLPurifier_Config $config */ protected function doSetupProprietary($config) { // Internet Explorer only scrollbar colors $this->info['scrollbar-arrow-color'] = new HTMLPurifier_AttrDef_CSS_Color(); $this->info['scrollbar-base-color'] = new HTMLPurifier_AttrDef_CSS_Color(); $this->info['scrollbar-darkshadow-color'] = new HTMLPurifier_AttrDef_CSS_Color(); $this->info['scrollbar-face-color'] = new HTMLPurifier_AttrDef_CSS_Color(); $this->info['scrollbar-highlight-color'] = new HTMLPurifier_AttrDef_CSS_Color(); $this->info['scrollbar-shadow-color'] = new HTMLPurifier_AttrDef_CSS_Color(); // vendor specific prefixes of opacity $this->info['-moz-opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue(); $this->info['-khtml-opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue(); // only opacity, for now $this->info['filter'] = new HTMLPurifier_AttrDef_CSS_Filter(); // more CSS3 $this->info['page-break-after'] = $this->info['page-break-before'] = new HTMLPurifier_AttrDef_Enum( array( 'auto', 'always', 'avoid', 'left', 'right' ) ); $this->info['page-break-inside'] = new HTMLPurifier_AttrDef_Enum(array('auto', 'avoid')); $border_radius = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_CSS_Percentage(true), // disallow negative new HTMLPurifier_AttrDef_CSS_Length('0') // disallow negative )); $this->info['border-top-left-radius'] = $this->info['border-top-right-radius'] = $this->info['border-bottom-right-radius'] = $this->info['border-bottom-left-radius'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_radius, 2); // TODO: support SLASH syntax $this->info['border-radius'] = new HTMLPurifier_AttrDef_CSS_Multiple($border_radius, 4); } /** * @param HTMLPurifier_Config $config */ protected function doSetupTricky($config) { $this->info['display'] = new HTMLPurifier_AttrDef_Enum( array( 'inline', 'block', 'list-item', 'run-in', 'compact', 'marker', 'table', 'inline-block', 'inline-table', 'table-row-group', 'table-header-group', 'table-footer-group', 'table-row', 'table-column-group', 'table-column', 'table-cell', 'table-caption', 'none' ) ); $this->info['visibility'] = new HTMLPurifier_AttrDef_Enum( array('visible', 'hidden', 'collapse') ); $this->info['overflow'] = new HTMLPurifier_AttrDef_Enum(array('visible', 'hidden', 'auto', 'scroll')); $this->info['opacity'] = new HTMLPurifier_AttrDef_CSS_AlphaValue(); } /** * @param HTMLPurifier_Config $config */ protected function doSetupTrusted($config) { $this->info['position'] = new HTMLPurifier_AttrDef_Enum( array('static', 'relative', 'absolute', 'fixed') ); $this->info['top'] = $this->info['left'] = $this->info['right'] = $this->info['bottom'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_CSS_Length(), new HTMLPurifier_AttrDef_CSS_Percentage(), new HTMLPurifier_AttrDef_Enum(array('auto')), ) ); $this->info['z-index'] = new HTMLPurifier_AttrDef_CSS_Composite( array( new HTMLPurifier_AttrDef_Integer(), new HTMLPurifier_AttrDef_Enum(array('auto')), ) ); } /** * Performs extra config-based processing. Based off of * HTMLPurifier_HTMLDefinition. * @param HTMLPurifier_Config $config * @todo Refactor duplicate elements into common class (probably using * composition, not inheritance). */ protected function setupConfigStuff($config) { // setup allowed elements $support = "(for information on implementing this, see the " . "support forums) "; $allowed_properties = $config->get('CSS.AllowedProperties'); if ($allowed_properties !== null) { foreach ($this->info as $name => $d) { if (!isset($allowed_properties[$name])) { unset($this->info[$name]); } unset($allowed_properties[$name]); } // emit errors foreach ($allowed_properties as $name => $d) { // :TODO: Is this htmlspecialchars() call really necessary? $name = htmlspecialchars($name); trigger_error("Style attribute '$name' is not supported $support", E_USER_WARNING); } } $forbidden_properties = $config->get('CSS.ForbiddenProperties'); if ($forbidden_properties !== null) { foreach ($this->info as $name => $d) { if (isset($forbidden_properties[$name])) { unset($this->info[$name]); } } } } } // vim: et sw=4 sts=4 get('HTML.Trusted')) { $html = preg_replace_callback( '#(]*>)(\s*[^<].+?)()#si', array($this, 'scriptCallback'), $html ); } $html = $this->normalize($html, $config, $context); $cursor = 0; // our location in the text $inside_tag = false; // whether or not we're parsing the inside of a tag $array = array(); // result array // This is also treated to mean maintain *column* numbers too $maintain_line_numbers = $config->get('Core.MaintainLineNumbers'); if ($maintain_line_numbers === null) { // automatically determine line numbering by checking // if error collection is on $maintain_line_numbers = $config->get('Core.CollectErrors'); } if ($maintain_line_numbers) { $current_line = 1; $current_col = 0; $length = strlen($html); } else { $current_line = false; $current_col = false; $length = false; } $context->register('CurrentLine', $current_line); $context->register('CurrentCol', $current_col); $nl = "\n"; // how often to manually recalculate. This will ALWAYS be right, // but it's pretty wasteful. Set to 0 to turn off $synchronize_interval = $config->get('Core.DirectLexLineNumberSyncInterval'); $e = false; if ($config->get('Core.CollectErrors')) { $e =& $context->get('ErrorCollector'); } // for testing synchronization $loops = 0; while (++$loops) { // $cursor is either at the start of a token, or inside of // a tag (i.e. there was a < immediately before it), as indicated // by $inside_tag if ($maintain_line_numbers) { // $rcursor, however, is always at the start of a token. $rcursor = $cursor - (int)$inside_tag; // Column number is cheap, so we calculate it every round. // We're interested at the *end* of the newline string, so // we need to add strlen($nl) == 1 to $nl_pos before subtracting it // from our "rcursor" position. $nl_pos = strrpos($html, $nl, $rcursor - $length); $current_col = $rcursor - (is_bool($nl_pos) ? 0 : $nl_pos + 1); // recalculate lines if ($synchronize_interval && // synchronization is on $cursor > 0 && // cursor is further than zero $loops % $synchronize_interval === 0) { // time to synchronize! $current_line = 1 + $this->substrCount($html, $nl, 0, $cursor); } } $position_next_lt = strpos($html, '<', $cursor); $position_next_gt = strpos($html, '>', $cursor); // triggers on "asdf" but not "asdf " // special case to set up context if ($position_next_lt === $cursor) { $inside_tag = true; $cursor++; } if (!$inside_tag && $position_next_lt !== false) { // We are not inside tag and there still is another tag to parse $token = new HTMLPurifier_Token_Text( $this->parseText( substr( $html, $cursor, $position_next_lt - $cursor ), $config ) ); if ($maintain_line_numbers) { $token->rawPosition($current_line, $current_col); $current_line += $this->substrCount($html, $nl, $cursor, $position_next_lt - $cursor); } $array[] = $token; $cursor = $position_next_lt + 1; $inside_tag = true; continue; } elseif (!$inside_tag) { // We are not inside tag but there are no more tags // If we're already at the end, break if ($cursor === strlen($html)) { break; } // Create Text of rest of string $token = new HTMLPurifier_Token_Text( $this->parseText( substr( $html, $cursor ), $config ) ); if ($maintain_line_numbers) { $token->rawPosition($current_line, $current_col); } $array[] = $token; break; } elseif ($inside_tag && $position_next_gt !== false) { // We are in tag and it is well formed // Grab the internals of the tag $strlen_segment = $position_next_gt - $cursor; if ($strlen_segment < 1) { // there's nothing to process! $token = new HTMLPurifier_Token_Text('<'); $cursor++; continue; } $segment = substr($html, $cursor, $strlen_segment); if ($segment === false) { // somehow, we attempted to access beyond the end of // the string, defense-in-depth, reported by Nate Abele break; } // Check if it's a comment if (substr($segment, 0, 3) === '!--') { // re-determine segment length, looking for --> $position_comment_end = strpos($html, '-->', $cursor); if ($position_comment_end === false) { // uh oh, we have a comment that extends to // infinity. Can't be helped: set comment // end position to end of string if ($e) { $e->send(E_WARNING, 'Lexer: Unclosed comment'); } $position_comment_end = strlen($html); $end = true; } else { $end = false; } $strlen_segment = $position_comment_end - $cursor; $segment = substr($html, $cursor, $strlen_segment); $token = new HTMLPurifier_Token_Comment( substr( $segment, 3, $strlen_segment - 3 ) ); if ($maintain_line_numbers) { $token->rawPosition($current_line, $current_col); $current_line += $this->substrCount($html, $nl, $cursor, $strlen_segment); } $array[] = $token; $cursor = $end ? $position_comment_end : $position_comment_end + 3; $inside_tag = false; continue; } // Check if it's an end tag $is_end_tag = (strpos($segment, '/') === 0); if ($is_end_tag) { $type = substr($segment, 1); $token = new HTMLPurifier_Token_End($type); if ($maintain_line_numbers) { $token->rawPosition($current_line, $current_col); $current_line += $this->substrCount($html, $nl, $cursor, $position_next_gt - $cursor); } $array[] = $token; $inside_tag = false; $cursor = $position_next_gt + 1; continue; } // Check leading character is alnum, if not, we may // have accidently grabbed an emoticon. Translate into // text and go our merry way if (!ctype_alpha($segment[0])) { // XML: $segment[0] !== '_' && $segment[0] !== ':' if ($e) { $e->send(E_NOTICE, 'Lexer: Unescaped lt'); } $token = new HTMLPurifier_Token_Text('<'); if ($maintain_line_numbers) { $token->rawPosition($current_line, $current_col); $current_line += $this->substrCount($html, $nl, $cursor, $position_next_gt - $cursor); } $array[] = $token; $inside_tag = false; continue; } // Check if it is explicitly self closing, if so, remove // trailing slash. Remember, we could have a tag like
, so // any later token processing scripts must convert improperly // classified EmptyTags from StartTags. $is_self_closing = (strrpos($segment, '/') === $strlen_segment - 1); if ($is_self_closing) { $strlen_segment--; $segment = substr($segment, 0, $strlen_segment); } // Check if there are any attributes $position_first_space = strcspn($segment, $this->_whitespace); if ($position_first_space >= $strlen_segment) { if ($is_self_closing) { $token = new HTMLPurifier_Token_Empty($segment); } else { $token = new HTMLPurifier_Token_Start($segment); } if ($maintain_line_numbers) { $token->rawPosition($current_line, $current_col); $current_line += $this->substrCount($html, $nl, $cursor, $position_next_gt - $cursor); } $array[] = $token; $inside_tag = false; $cursor = $position_next_gt + 1; continue; } // Grab out all the data $type = substr($segment, 0, $position_first_space); $attribute_string = trim( substr( $segment, $position_first_space ) ); if ($attribute_string) { $attr = $this->parseAttributeString( $attribute_string, $config, $context ); } else { $attr = array(); } if ($is_self_closing) { $token = new HTMLPurifier_Token_Empty($type, $attr); } else { $token = new HTMLPurifier_Token_Start($type, $attr); } if ($maintain_line_numbers) { $token->rawPosition($current_line, $current_col); $current_line += $this->substrCount($html, $nl, $cursor, $position_next_gt - $cursor); } $array[] = $token; $cursor = $position_next_gt + 1; $inside_tag = false; continue; } else { // inside tag, but there's no ending > sign if ($e) { $e->send(E_WARNING, 'Lexer: Missing gt'); } $token = new HTMLPurifier_Token_Text( '<' . $this->parseText( substr($html, $cursor), $config ) ); if ($maintain_line_numbers) { $token->rawPosition($current_line, $current_col); } // no cursor scroll? Hmm... $array[] = $token; break; } break; } $context->destroy('CurrentLine'); $context->destroy('CurrentCol'); return $array; } /** * PHP 5.0.x compatible substr_count that implements offset and length * @param string $haystack * @param string $needle * @param int $offset * @param int $length * @return int */ protected function substrCount($haystack, $needle, $offset, $length) { static $oldVersion; if ($oldVersion === null) { $oldVersion = version_compare(PHP_VERSION, '5.1', '<'); } if ($oldVersion) { $haystack = substr($haystack, $offset, $length); return substr_count($haystack, $needle); } else { return substr_count($haystack, $needle, $offset, $length); } } /** * Takes the inside of an HTML tag and makes an assoc array of attributes. * * @param string $string Inside of tag excluding name. * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array Assoc array of attributes. */ public function parseAttributeString($string, $config, $context) { $string = (string)$string; // quick typecast if ($string == '') { return array(); } // no attributes $e = false; if ($config->get('Core.CollectErrors')) { $e =& $context->get('ErrorCollector'); } // let's see if we can abort as quickly as possible // one equal sign, no spaces => one attribute $num_equal = substr_count($string, '='); $has_space = strpos($string, ' '); if ($num_equal === 0 && !$has_space) { // bool attribute return array($string => $string); } elseif ($num_equal === 1 && !$has_space) { // only one attribute list($key, $quoted_value) = explode('=', $string); $quoted_value = trim($quoted_value); if (!$key) { if ($e) { $e->send(E_ERROR, 'Lexer: Missing attribute key'); } return array(); } if (!$quoted_value) { return array($key => ''); } $first_char = @$quoted_value[0]; $last_char = @$quoted_value[strlen($quoted_value) - 1]; $same_quote = ($first_char == $last_char); $open_quote = ($first_char == '"' || $first_char == "'"); if ($same_quote && $open_quote) { // well behaved $value = substr($quoted_value, 1, strlen($quoted_value) - 2); } else { // not well behaved if ($open_quote) { if ($e) { $e->send(E_ERROR, 'Lexer: Missing end quote'); } $value = substr($quoted_value, 1); } else { $value = $quoted_value; } } if ($value === false) { $value = ''; } return array($key => $this->parseAttr($value, $config)); } // setup loop environment $array = array(); // return assoc array of attributes $cursor = 0; // current position in string (moves forward) $size = strlen($string); // size of the string (stays the same) // if we have unquoted attributes, the parser expects a terminating // space, so let's guarantee that there's always a terminating space. $string .= ' '; $old_cursor = -1; while ($cursor < $size) { if ($old_cursor >= $cursor) { throw new Exception("Infinite loop detected"); } $old_cursor = $cursor; $cursor += ($value = strspn($string, $this->_whitespace, $cursor)); // grab the key $key_begin = $cursor; //we're currently at the start of the key // scroll past all characters that are the key (not whitespace or =) $cursor += strcspn($string, $this->_whitespace . '=', $cursor); $key_end = $cursor; // now at the end of the key $key = substr($string, $key_begin, $key_end - $key_begin); if (!$key) { if ($e) { $e->send(E_ERROR, 'Lexer: Missing attribute key'); } $cursor += 1 + strcspn($string, $this->_whitespace, $cursor + 1); // prevent infinite loop continue; // empty key } // scroll past all whitespace $cursor += strspn($string, $this->_whitespace, $cursor); if ($cursor >= $size) { $array[$key] = $key; break; } // if the next character is an equal sign, we've got a regular // pair, otherwise, it's a bool attribute $first_char = @$string[$cursor]; if ($first_char == '=') { // key="value" $cursor++; $cursor += strspn($string, $this->_whitespace, $cursor); if ($cursor === false) { $array[$key] = ''; break; } // we might be in front of a quote right now $char = @$string[$cursor]; if ($char == '"' || $char == "'") { // it's quoted, end bound is $char $cursor++; $value_begin = $cursor; $cursor = strpos($string, $char, $cursor); $value_end = $cursor; } else { // it's not quoted, end bound is whitespace $value_begin = $cursor; $cursor += strcspn($string, $this->_whitespace, $cursor); $value_end = $cursor; } // we reached a premature end if ($cursor === false) { $cursor = $size; $value_end = $cursor; } $value = substr($string, $value_begin, $value_end - $value_begin); if ($value === false) { $value = ''; } $array[$key] = $this->parseAttr($value, $config); $cursor++; } else { // boolattr if ($key !== '') { $array[$key] = $key; } else { // purely theoretical if ($e) { $e->send(E_ERROR, 'Lexer: Missing attribute key'); } } } } return $array; } } // vim: et sw=4 sts=4 factory = new HTMLPurifier_TokenFactory(); } /** * @param string $html * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return HTMLPurifier_Token[] */ public function tokenizeHTML($html, $config, $context) { $html = $this->normalize($html, $config, $context); // attempt to armor stray angled brackets that cannot possibly // form tags and thus are probably being used as emoticons if ($config->get('Core.AggressivelyFixLt')) { $char = '[^a-z!\/]'; $comment = "/|\z)/is"; $html = preg_replace_callback($comment, array($this, 'callbackArmorCommentEntities'), $html); do { $old = $html; $html = preg_replace("/<($char)/i", '<\\1', $html); } while ($html !== $old); $html = preg_replace_callback($comment, array($this, 'callbackUndoCommentSubst'), $html); // fix comments } // preprocess html, essential for UTF-8 $html = $this->wrapHTML($html, $config, $context); $doc = new DOMDocument(); $doc->encoding = 'UTF-8'; // theoretically, the above has this covered set_error_handler(array($this, 'muteErrorHandler')); $doc->loadHTML($html); restore_error_handler(); $body = $doc->getElementsByTagName('html')->item(0)-> // getElementsByTagName('body')->item(0); // $div = $body->getElementsByTagName('div')->item(0); //
$tokens = array(); $this->tokenizeDOM($div, $tokens, $config); // If the div has a sibling, that means we tripped across // a premature
tag. So remove the div we parsed, // and then tokenize the rest of body. We can't tokenize // the sibling directly as we'll lose the tags in that case. if ($div->nextSibling) { $body->removeChild($div); $this->tokenizeDOM($body, $tokens, $config); } return $tokens; } /** * Iterative function that tokenizes a node, putting it into an accumulator. * To iterate is human, to recurse divine - L. Peter Deutsch * @param DOMNode $node DOMNode to be tokenized. * @param HTMLPurifier_Token[] $tokens Array-list of already tokenized tokens. * @return HTMLPurifier_Token of node appended to previously passed tokens. */ protected function tokenizeDOM($node, &$tokens, $config) { $level = 0; $nodes = array($level => new HTMLPurifier_Queue(array($node))); $closingNodes = array(); do { while (!$nodes[$level]->isEmpty()) { $node = $nodes[$level]->shift(); // FIFO $collect = $level > 0 ? true : false; $needEndingTag = $this->createStartNode($node, $tokens, $collect, $config); if ($needEndingTag) { $closingNodes[$level][] = $node; } if ($node->childNodes && $node->childNodes->length) { $level++; $nodes[$level] = new HTMLPurifier_Queue(); foreach ($node->childNodes as $childNode) { $nodes[$level]->push($childNode); } } } $level--; if ($level && isset($closingNodes[$level])) { while ($node = array_pop($closingNodes[$level])) { $this->createEndNode($node, $tokens); } } } while ($level > 0); } /** * Portably retrieve the tag name of a node; deals with older versions * of libxml like 2.7.6 * @param DOMNode $node */ protected function getTagName($node) { if (property_exists($node, 'tagName')) { return $node->tagName; } else if (property_exists($node, 'nodeName')) { return $node->nodeName; } else if (property_exists($node, 'localName')) { return $node->localName; } return null; } /** * Portably retrieve the data of a node; deals with older versions * of libxml like 2.7.6 * @param DOMNode $node */ protected function getData($node) { if (property_exists($node, 'data')) { return $node->data; } else if (property_exists($node, 'nodeValue')) { return $node->nodeValue; } else if (property_exists($node, 'textContent')) { return $node->textContent; } return null; } /** * @param DOMNode $node DOMNode to be tokenized. * @param HTMLPurifier_Token[] $tokens Array-list of already tokenized tokens. * @param bool $collect Says whether or start and close are collected, set to * false at first recursion because it's the implicit DIV * tag you're dealing with. * @return bool if the token needs an endtoken * @todo data and tagName properties don't seem to exist in DOMNode? */ protected function createStartNode($node, &$tokens, $collect, $config) { // intercept non element nodes. WE MUST catch all of them, // but we're not getting the character reference nodes because // those should have been preprocessed if ($node->nodeType === XML_TEXT_NODE) { $data = $this->getData($node); // Handle variable data property if ($data !== null) { $tokens[] = $this->factory->createText($data); } return false; } elseif ($node->nodeType === XML_CDATA_SECTION_NODE) { // undo libxml's special treatment of #i', '', $html); } return $html; } /** * Takes a string of HTML (fragment or document) and returns the content * @todo Consider making protected */ public function extractBody($html) { $matches = array(); $result = preg_match('|(.*?)]*>(.*)|is', $html, $matches); if ($result) { // Make sure it's not in a comment $comment_start = strrpos($matches[1], ''); if ($comment_start === false || ($comment_end !== false && $comment_end > $comment_start)) { return $matches[2]; } } return $html; } } // vim: et sw=4 sts=4 scheme = is_null($scheme) || ctype_lower($scheme) ? $scheme : strtolower($scheme); $this->userinfo = $userinfo; $this->host = $host; $this->port = is_null($port) ? $port : (int)$port; $this->path = $path; $this->query = $query; $this->fragment = $fragment; } /** * Retrieves a scheme object corresponding to the URI's scheme/default * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return HTMLPurifier_URIScheme Scheme object appropriate for validating this URI */ public function getSchemeObj($config, $context) { $registry = HTMLPurifier_URISchemeRegistry::instance(); if ($this->scheme !== null) { $scheme_obj = $registry->getScheme($this->scheme, $config, $context); if (!$scheme_obj) { return false; } // invalid scheme, clean it out } else { // no scheme: retrieve the default one $def = $config->getDefinition('URI'); $scheme_obj = $def->getDefaultScheme($config, $context); if (!$scheme_obj) { if ($def->defaultScheme !== null) { // something funky happened to the default scheme object trigger_error( 'Default scheme object "' . $def->defaultScheme . '" was not readable', E_USER_WARNING ); } // suppress error if it's null return false; } } return $scheme_obj; } /** * Generic validation method applicable for all schemes. May modify * this URI in order to get it into a compliant form. * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return bool True if validation/filtering succeeds, false if failure */ public function validate($config, $context) { // ABNF definitions from RFC 3986 $chars_sub_delims = '!$&\'()*+,;='; $chars_gen_delims = ':/?#[]@'; $chars_pchar = $chars_sub_delims . ':@'; // validate host if (!is_null($this->host)) { $host_def = new HTMLPurifier_AttrDef_URI_Host(); $this->host = $host_def->validate($this->host, $config, $context); if ($this->host === false) { $this->host = null; } } // validate scheme // NOTE: It's not appropriate to check whether or not this // scheme is in our registry, since a URIFilter may convert a // URI that we don't allow into one we do. So instead, we just // check if the scheme can be dropped because there is no host // and it is our default scheme. if (!is_null($this->scheme) && is_null($this->host) || $this->host === '') { // support for relative paths is pretty abysmal when the // scheme is present, so axe it when possible $def = $config->getDefinition('URI'); if ($def->defaultScheme === $this->scheme) { $this->scheme = null; } } // validate username if (!is_null($this->userinfo)) { $encoder = new HTMLPurifier_PercentEncoder($chars_sub_delims . ':'); $this->userinfo = $encoder->encode($this->userinfo); } // validate port if (!is_null($this->port)) { if ($this->port < 1 || $this->port > 65535) { $this->port = null; } } // validate path $segments_encoder = new HTMLPurifier_PercentEncoder($chars_pchar . '/'); if (!is_null($this->host)) { // this catches $this->host === '' // path-abempty (hier and relative) // http://www.example.com/my/path // //www.example.com/my/path (looks odd, but works, and // recognized by most browsers) // (this set is valid or invalid on a scheme by scheme // basis, so we'll deal with it later) // file:///my/path // ///my/path $this->path = $segments_encoder->encode($this->path); } elseif ($this->path !== '') { if ($this->path[0] === '/') { // path-absolute (hier and relative) // http:/my/path // /my/path if (strlen($this->path) >= 2 && $this->path[1] === '/') { // This could happen if both the host gets stripped // out // http://my/path // //my/path $this->path = ''; } else { $this->path = $segments_encoder->encode($this->path); } } elseif (!is_null($this->scheme)) { // path-rootless (hier) // http:my/path // Short circuit evaluation means we don't need to check nz $this->path = $segments_encoder->encode($this->path); } else { // path-noscheme (relative) // my/path // (once again, not checking nz) $segment_nc_encoder = new HTMLPurifier_PercentEncoder($chars_sub_delims . '@'); $c = strpos($this->path, '/'); if ($c !== false) { $this->path = $segment_nc_encoder->encode(substr($this->path, 0, $c)) . $segments_encoder->encode(substr($this->path, $c)); } else { $this->path = $segment_nc_encoder->encode($this->path); } } } else { // path-empty (hier and relative) $this->path = ''; // just to be safe } // qf = query and fragment $qf_encoder = new HTMLPurifier_PercentEncoder($chars_pchar . '/?'); if (!is_null($this->query)) { $this->query = $qf_encoder->encode($this->query); } if (!is_null($this->fragment)) { $this->fragment = $qf_encoder->encode($this->fragment); } return true; } /** * Convert URI back to string * @return string URI appropriate for output */ public function toString() { // reconstruct authority $authority = null; // there is a rendering difference between a null authority // (http:foo-bar) and an empty string authority // (http:///foo-bar). if (!is_null($this->host)) { $authority = ''; if (!is_null($this->userinfo)) { $authority .= $this->userinfo . '@'; } $authority .= $this->host; if (!is_null($this->port)) { $authority .= ':' . $this->port; } } // Reconstruct the result // One might wonder about parsing quirks from browsers after // this reconstruction. Unfortunately, parsing behavior depends // on what *scheme* was employed (file:///foo is handled *very* // differently than http:///foo), so unfortunately we have to // defer to the schemes to do the right thing. $result = ''; if (!is_null($this->scheme)) { $result .= $this->scheme . ':'; } if (!is_null($authority)) { $result .= '//' . $authority; } $result .= $this->path; if (!is_null($this->query)) { $result .= '?' . $this->query; } if (!is_null($this->fragment)) { $result .= '#' . $this->fragment; } return $result; } /** * Returns true if this URL might be considered a 'local' URL given * the current context. This is true when the host is null, or * when it matches the host supplied to the configuration. * * Note that this does not do any scheme checking, so it is mostly * only appropriate for metadata that doesn't care about protocol * security. isBenign is probably what you actually want. * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return bool */ public function isLocal($config, $context) { if ($this->host === null) { return true; } $uri_def = $config->getDefinition('URI'); if ($uri_def->host === $this->host) { return true; } return false; } /** * Returns true if this URL should be considered a 'benign' URL, * that is: * * - It is a local URL (isLocal), and * - It has a equal or better level of security * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return bool */ public function isBenign($config, $context) { if (!$this->isLocal($config, $context)) { return false; } $scheme_obj = $this->getSchemeObj($config, $context); if (!$scheme_obj) { return false; } // conservative approach $current_scheme_obj = $config->getDefinition('URI')->getDefaultScheme($config, $context); if ($current_scheme_obj->secure) { if (!$scheme_obj->secure) { return false; } } return true; } } // vim: et sw=4 sts=4 config = $config; $this->context = $context; } /** * Loads language object with necessary info from factory cache * @note This is a lazy loader */ public function load() { if ($this->_loaded) { return; } $factory = HTMLPurifier_LanguageFactory::instance(); $factory->loadLanguage($this->code); foreach ($factory->keys as $key) { $this->$key = $factory->cache[$this->code][$key]; } $this->_loaded = true; } /** * Retrieves a localised message. * @param string $key string identifier of message * @return string localised message */ public function getMessage($key) { if (!$this->_loaded) { $this->load(); } if (!isset($this->messages[$key])) { return "[$key]"; } return $this->messages[$key]; } /** * Retrieves a localised error name. * @param int $int error number, corresponding to PHP's error reporting * @return string localised message */ public function getErrorName($int) { if (!$this->_loaded) { $this->load(); } if (!isset($this->errorNames[$int])) { return "[Error: $int]"; } return $this->errorNames[$int]; } /** * Converts an array list into a string readable representation * @param array $array * @return string */ public function listify($array) { $sep = $this->getMessage('Item separator'); $sep_last = $this->getMessage('Item separator last'); $ret = ''; for ($i = 0, $c = count($array); $i < $c; $i++) { if ($i == 0) { } elseif ($i + 1 < $c) { $ret .= $sep; } else { $ret .= $sep_last; } $ret .= $array[$i]; } return $ret; } /** * Formats a localised message with passed parameters * @param string $key string identifier of message * @param array $args Parameters to substitute in * @return string localised message * @todo Implement conditionals? Right now, some messages make * reference to line numbers, but those aren't always available */ public function formatMessage($key, $args = array()) { if (!$this->_loaded) { $this->load(); } if (!isset($this->messages[$key])) { return "[$key]"; } $raw = $this->messages[$key]; $subst = array(); $generator = false; foreach ($args as $i => $value) { if (is_object($value)) { if ($value instanceof HTMLPurifier_Token) { // factor this out some time if (!$generator) { $generator = $this->context->get('Generator'); } if (isset($value->name)) { $subst['$'.$i.'.Name'] = $value->name; } if (isset($value->data)) { $subst['$'.$i.'.Data'] = $value->data; } $subst['$'.$i.'.Compact'] = $subst['$'.$i.'.Serialized'] = $generator->generateFromToken($value); // a more complex algorithm for compact representation // could be introduced for all types of tokens. This // may need to be factored out into a dedicated class if (!empty($value->attr)) { $stripped_token = clone $value; $stripped_token->attr = array(); $subst['$'.$i.'.Compact'] = $generator->generateFromToken($stripped_token); } $subst['$'.$i.'.Line'] = $value->line ? $value->line : 'unknown'; } continue; } elseif (is_array($value)) { $keys = array_keys($value); if (array_keys($keys) === $keys) { // list $subst['$'.$i] = $this->listify($value); } else { // associative array // no $i implementation yet, sorry $subst['$'.$i.'.Keys'] = $this->listify($keys); $subst['$'.$i.'.Values'] = $this->listify(array_values($value)); } continue; } $subst['$' . $i] = $value; } return strtr($raw, $subst); } } // vim: et sw=4 sts=4 load($config->get('Attr.IDBlacklist')); return $id_accumulator; } /** * Add an ID to the lookup table. * @param string $id ID to be added. * @return bool status, true if success, false if there's a dupe */ public function add($id) { if (isset($this->ids[$id])) { return false; } return $this->ids[$id] = true; } /** * Load a list of IDs into the lookup table * @param $array_of_ids Array of IDs to load * @note This function doesn't care about duplicates */ public function load($array_of_ids) { foreach ($array_of_ids as $id) { $this->ids[$id] = true; } } } // vim: et sw=4 sts=4 true) indexed by name. * @type array * @note This is in HTMLPurifier_HTMLDefinition->info_content_sets */ public $lookup = array(); /** * Synchronized list of defined content sets (keys of info). * @type array */ protected $keys = array(); /** * Synchronized list of defined content values (values of info). * @type array */ protected $values = array(); /** * Merges in module's content sets, expands identifiers in the content * sets and populates the keys, values and lookup member variables. * @param HTMLPurifier_HTMLModule[] $modules List of HTMLPurifier_HTMLModule */ public function __construct($modules) { if (!is_array($modules)) { $modules = array($modules); } // populate content_sets based on module hints // sorry, no way of overloading foreach ($modules as $module) { foreach ($module->content_sets as $key => $value) { $temp = $this->convertToLookup($value); if (isset($this->lookup[$key])) { // add it into the existing content set $this->lookup[$key] = array_merge($this->lookup[$key], $temp); } else { $this->lookup[$key] = $temp; } } } $old_lookup = false; while ($old_lookup !== $this->lookup) { $old_lookup = $this->lookup; foreach ($this->lookup as $i => $set) { $add = array(); foreach ($set as $element => $x) { if (isset($this->lookup[$element])) { $add += $this->lookup[$element]; unset($this->lookup[$i][$element]); } } $this->lookup[$i] += $add; } } foreach ($this->lookup as $key => $lookup) { $this->info[$key] = implode(' | ', array_keys($lookup)); } $this->keys = array_keys($this->info); $this->values = array_values($this->info); } /** * Accepts a definition; generates and assigns a ChildDef for it * @param HTMLPurifier_ElementDef $def HTMLPurifier_ElementDef reference * @param HTMLPurifier_HTMLModule $module Module that defined the ElementDef */ public function generateChildDef(&$def, $module) { if (!empty($def->child)) { // already done! return; } $content_model = $def->content_model; if (is_string($content_model)) { // Assume that $this->keys is alphanumeric $def->content_model = preg_replace_callback( '/\b(' . implode('|', $this->keys) . ')\b/', array($this, 'generateChildDefCallback'), $content_model ); //$def->content_model = str_replace( // $this->keys, $this->values, $content_model); } $def->child = $this->getChildDef($def, $module); } public function generateChildDefCallback($matches) { return $this->info[$matches[0]]; } /** * Instantiates a ChildDef based on content_model and content_model_type * member variables in HTMLPurifier_ElementDef * @note This will also defer to modules for custom HTMLPurifier_ChildDef * subclasses that need content set expansion * @param HTMLPurifier_ElementDef $def HTMLPurifier_ElementDef to have ChildDef extracted * @param HTMLPurifier_HTMLModule $module Module that defined the ElementDef * @return HTMLPurifier_ChildDef corresponding to ElementDef */ public function getChildDef($def, $module) { $value = $def->content_model; if (is_object($value)) { trigger_error( 'Literal object child definitions should be stored in '. 'ElementDef->child not ElementDef->content_model', E_USER_NOTICE ); return $value; } switch ($def->content_model_type) { case 'required': return new HTMLPurifier_ChildDef_Required($value); case 'optional': return new HTMLPurifier_ChildDef_Optional($value); case 'empty': return new HTMLPurifier_ChildDef_Empty(); case 'custom': return new HTMLPurifier_ChildDef_Custom($value); } // defer to its module $return = false; if ($module->defines_child_def) { // save a func call $return = $module->getChildDef($def); } if ($return !== false) { return $return; } // error-out trigger_error( 'Could not determine which ChildDef class to instantiate', E_USER_ERROR ); return false; } /** * Converts a string list of elements separated by pipes into * a lookup array. * @param string $string List of elements * @return array Lookup array of elements */ protected function convertToLookup($string) { $array = explode('|', str_replace(' ', '', $string)); $ret = array(); foreach ($array as $k) { $ret[$k] = true; } return $ret; } } // vim: et sw=4 sts=4 accessed[$index] = true; return parent::offsetGet($index); } /** * Returns a lookup array of all array indexes that have been accessed. * @return array in form array($index => true). */ public function getAccessed() { return $this->accessed; } /** * Resets the access array. */ public function resetAccessed() { $this->accessed = array(); } } // vim: et sw=4 sts=4 info, since the object's data is only info, * with extra behavior associated with it. * @type array */ public $attr_collections = array(); /** * Associative array of deprecated tag name to HTMLPurifier_TagTransform. * @type array */ public $info_tag_transform = array(); /** * List of HTMLPurifier_AttrTransform to be performed before validation. * @type array */ public $info_attr_transform_pre = array(); /** * List of HTMLPurifier_AttrTransform to be performed after validation. * @type array */ public $info_attr_transform_post = array(); /** * List of HTMLPurifier_Injector to be performed during well-formedness fixing. * An injector will only be invoked if all of it's pre-requisites are met; * if an injector fails setup, there will be no error; it will simply be * silently disabled. * @type array */ public $info_injector = array(); /** * Boolean flag that indicates whether or not getChildDef is implemented. * For optimization reasons: may save a call to a function. Be sure * to set it if you do implement getChildDef(), otherwise it will have * no effect! * @type bool */ public $defines_child_def = false; /** * Boolean flag whether or not this module is safe. If it is not safe, all * of its members are unsafe. Modules are safe by default (this might be * slightly dangerous, but it doesn't make much sense to force HTML Purifier, * which is based off of safe HTML, to explicitly say, "This is safe," even * though there are modules which are "unsafe") * * @type bool * @note Previously, safety could be applied at an element level granularity. * We've removed this ability, so in order to add "unsafe" elements * or attributes, a dedicated module with this property set to false * must be used. */ public $safe = true; /** * Retrieves a proper HTMLPurifier_ChildDef subclass based on * content_model and content_model_type member variables of * the HTMLPurifier_ElementDef class. There is a similar function * in HTMLPurifier_HTMLDefinition. * @param HTMLPurifier_ElementDef $def * @return HTMLPurifier_ChildDef subclass */ public function getChildDef($def) { return false; } // -- Convenience ----------------------------------------------------- /** * Convenience function that sets up a new element * @param string $element Name of element to add * @param string|bool $type What content set should element be registered to? * Set as false to skip this step. * @param string $contents Allowed children in form of: * "$content_model_type: $content_model" * @param array $attr_includes What attribute collections to register to * element? * @param array $attr What unique attributes does the element define? * @see HTMLPurifier_ElementDef:: for in-depth descriptions of these parameters. * @return HTMLPurifier_ElementDef Created element definition object, so you * can set advanced parameters */ public function addElement($element, $type, $contents, $attr_includes = array(), $attr = array()) { $this->elements[] = $element; // parse content_model list($content_model_type, $content_model) = $this->parseContents($contents); // merge in attribute inclusions $this->mergeInAttrIncludes($attr, $attr_includes); // add element to content sets if ($type) { $this->addElementToContentSet($element, $type); } // create element $this->info[$element] = HTMLPurifier_ElementDef::create( $content_model, $content_model_type, $attr ); // literal object $contents means direct child manipulation if (!is_string($contents)) { $this->info[$element]->child = $contents; } return $this->info[$element]; } /** * Convenience function that creates a totally blank, non-standalone * element. * @param string $element Name of element to create * @return HTMLPurifier_ElementDef Created element */ public function addBlankElement($element) { if (!isset($this->info[$element])) { $this->elements[] = $element; $this->info[$element] = new HTMLPurifier_ElementDef(); $this->info[$element]->standalone = false; } else { trigger_error("Definition for $element already exists in module, cannot redefine"); } return $this->info[$element]; } /** * Convenience function that registers an element to a content set * @param string $element Element to register * @param string $type Name content set (warning: case sensitive, usually upper-case * first letter) */ public function addElementToContentSet($element, $type) { if (!isset($this->content_sets[$type])) { $this->content_sets[$type] = ''; } else { $this->content_sets[$type] .= ' | '; } $this->content_sets[$type] .= $element; } /** * Convenience function that transforms single-string contents * into separate content model and content model type * @param string $contents Allowed children in form of: * "$content_model_type: $content_model" * @return array * @note If contents is an object, an array of two nulls will be * returned, and the callee needs to take the original $contents * and use it directly. */ public function parseContents($contents) { if (!is_string($contents)) { return array(null, null); } // defer switch ($contents) { // check for shorthand content model forms case 'Empty': return array('empty', ''); case 'Inline': return array('optional', 'Inline | #PCDATA'); case 'Flow': return array('optional', 'Flow | #PCDATA'); } list($content_model_type, $content_model) = explode(':', $contents); $content_model_type = strtolower(trim($content_model_type)); $content_model = trim($content_model); return array($content_model_type, $content_model); } /** * Convenience function that merges a list of attribute includes into * an attribute array. * @param array $attr Reference to attr array to modify * @param array $attr_includes Array of includes / string include to merge in */ public function mergeInAttrIncludes(&$attr, $attr_includes) { if (!is_array($attr_includes)) { if (empty($attr_includes)) { $attr_includes = array(); } else { $attr_includes = array($attr_includes); } } $attr[0] = $attr_includes; } /** * Convenience function that generates a lookup table with boolean * true as value. * @param string $list List of values to turn into a lookup * @note You can also pass an arbitrary number of arguments in * place of the regular argument * @return array array equivalent of list */ public function makeLookup($list) { if (is_string($list)) { $list = func_get_args(); } $ret = array(); foreach ($list as $value) { if (is_null($value)) { continue; } $ret[$value] = true; } return $ret; } /** * Lazy load construction of the module after determining whether * or not it's needed, and also when a finalized configuration object * is available. * @param HTMLPurifier_Config $config */ public function setup($config) { } } // vim: et sw=4 sts=4 table = unserialize(file_get_contents($file)); } /** * Retrieves sole instance of the object. * @param bool|HTMLPurifier_EntityLookup $prototype Optional prototype of custom lookup table to overload with. * @return HTMLPurifier_EntityLookup */ public static function instance($prototype = false) { // no references, since PHP doesn't copy unless modified static $instance = null; if ($prototype) { $instance = $prototype; } elseif (!$instance) { $instance = new HTMLPurifier_EntityLookup(); $instance->setup(); } return $instance; } } // vim: et sw=4 sts=4 _semiOptionalPrefixRegex = "/&()()()($semi_optional)/"; $this->_textEntitiesRegex = '/&(?:'. // hex '[#]x([a-fA-F0-9]+);?|'. // dec '[#]0*(\d+);?|'. // string (mandatory semicolon) // NB: order matters: match semicolon preferentially '([A-Za-z_:][A-Za-z0-9.\-_:]*);|'. // string (optional semicolon) "($semi_optional)". ')/'; $this->_attrEntitiesRegex = '/&(?:'. // hex '[#]x([a-fA-F0-9]+);?|'. // dec '[#]0*(\d+);?|'. // string (mandatory semicolon) // NB: order matters: match semicolon preferentially '([A-Za-z_:][A-Za-z0-9.\-_:]*);|'. // string (optional semicolon) // don't match if trailing is equals or alphanumeric (URL // like) "($semi_optional)(?![=;A-Za-z0-9])". ')/'; } /** * Substitute entities with the parsed equivalents. Use this on * textual data in an HTML document (as opposed to attributes.) * * @param string $string String to have entities parsed. * @return string Parsed string. */ public function substituteTextEntities($string) { return preg_replace_callback( $this->_textEntitiesRegex, array($this, 'entityCallback'), $string ); } /** * Substitute entities with the parsed equivalents. Use this on * attribute contents in documents. * * @param string $string String to have entities parsed. * @return string Parsed string. */ public function substituteAttrEntities($string) { return preg_replace_callback( $this->_attrEntitiesRegex, array($this, 'entityCallback'), $string ); } /** * Callback function for substituteNonSpecialEntities() that does the work. * * @param array $matches PCRE matches array, with 0 the entire match, and * either index 1, 2 or 3 set with a hex value, dec value, * or string (respectively). * @return string Replacement string. */ protected function entityCallback($matches) { $entity = $matches[0]; $hex_part = @$matches[1]; $dec_part = @$matches[2]; $named_part = empty($matches[3]) ? @$matches[4] : $matches[3]; if ($hex_part !== NULL && $hex_part !== "") { return HTMLPurifier_Encoder::unichr(hexdec($hex_part)); } elseif ($dec_part !== NULL && $dec_part !== "") { return HTMLPurifier_Encoder::unichr((int) $dec_part); } else { if (!$this->_entity_lookup) { $this->_entity_lookup = HTMLPurifier_EntityLookup::instance(); } if (isset($this->_entity_lookup->table[$named_part])) { return $this->_entity_lookup->table[$named_part]; } else { // exact match didn't match anything, so test if // any of the semicolon optional match the prefix. // Test that this is an EXACT match is important to // prevent infinite loop if (!empty($matches[3])) { return preg_replace_callback( $this->_semiOptionalPrefixRegex, array($this, 'entityCallback'), $entity ); } return $entity; } } } // LEGACY CODE BELOW /** * Callback regex string for parsing entities. * @type string */ protected $_substituteEntitiesRegex = '/&(?:[#]x([a-fA-F0-9]+)|[#]0*(\d+)|([A-Za-z_:][A-Za-z0-9.\-_:]*));?/'; // 1. hex 2. dec 3. string (XML style) /** * Decimal to parsed string conversion table for special entities. * @type array */ protected $_special_dec2str = array( 34 => '"', 38 => '&', 39 => "'", 60 => '<', 62 => '>' ); /** * Stripped entity names to decimal conversion table for special entities. * @type array */ protected $_special_ent2dec = array( 'quot' => 34, 'amp' => 38, 'lt' => 60, 'gt' => 62 ); /** * Substitutes non-special entities with their parsed equivalents. Since * running this whenever you have parsed character is t3h 5uck, we run * it before everything else. * * @param string $string String to have non-special entities parsed. * @return string Parsed string. */ public function substituteNonSpecialEntities($string) { // it will try to detect missing semicolons, but don't rely on it return preg_replace_callback( $this->_substituteEntitiesRegex, array($this, 'nonSpecialEntityCallback'), $string ); } /** * Callback function for substituteNonSpecialEntities() that does the work. * * @param array $matches PCRE matches array, with 0 the entire match, and * either index 1, 2 or 3 set with a hex value, dec value, * or string (respectively). * @return string Replacement string. */ protected function nonSpecialEntityCallback($matches) { // replaces all but big five $entity = $matches[0]; $is_num = (@$matches[0][1] === '#'); if ($is_num) { $is_hex = (@$entity[2] === 'x'); $code = $is_hex ? hexdec($matches[1]) : (int) $matches[2]; // abort for special characters if (isset($this->_special_dec2str[$code])) { return $entity; } return HTMLPurifier_Encoder::unichr($code); } else { if (isset($this->_special_ent2dec[$matches[3]])) { return $entity; } if (!$this->_entity_lookup) { $this->_entity_lookup = HTMLPurifier_EntityLookup::instance(); } if (isset($this->_entity_lookup->table[$matches[3]])) { return $this->_entity_lookup->table[$matches[3]]; } else { return $entity; } } } /** * Substitutes only special entities with their parsed equivalents. * * @notice We try to avoid calling this function because otherwise, it * would have to be called a lot (for every parsed section). * * @param string $string String to have non-special entities parsed. * @return string Parsed string. */ public function substituteSpecialEntities($string) { return preg_replace_callback( $this->_substituteEntitiesRegex, array($this, 'specialEntityCallback'), $string ); } /** * Callback function for substituteSpecialEntities() that does the work. * * This callback has same syntax as nonSpecialEntityCallback(). * * @param array $matches PCRE-style matches array, with 0 the entire match, and * either index 1, 2 or 3 set with a hex value, dec value, * or string (respectively). * @return string Replacement string. */ protected function specialEntityCallback($matches) { $entity = $matches[0]; $is_num = (@$matches[0][1] === '#'); if ($is_num) { $is_hex = (@$entity[2] === 'x'); $int = $is_hex ? hexdec($matches[1]) : (int) $matches[2]; return isset($this->_special_dec2str[$int]) ? $this->_special_dec2str[$int] : $entity; } else { return isset($this->_special_ent2dec[$matches[3]]) ? $this->_special_dec2str[$this->_special_ent2dec[$matches[3]]] : $entity; } } } // vim: et sw=4 sts=4 preserve[$i] = true; } for ($i = 65; $i <= 90; $i++) { // upper-case $this->preserve[$i] = true; } for ($i = 97; $i <= 122; $i++) { // lower-case $this->preserve[$i] = true; } $this->preserve[45] = true; // Dash - $this->preserve[46] = true; // Period . $this->preserve[95] = true; // Underscore _ $this->preserve[126]= true; // Tilde ~ // extra letters not to escape if ($preserve !== false) { for ($i = 0, $c = strlen($preserve); $i < $c; $i++) { $this->preserve[ord($preserve[$i])] = true; } } } /** * Our replacement for urlencode, it encodes all non-reserved characters, * as well as any extra characters that were instructed to be preserved. * @note * Assumes that the string has already been normalized, making any * and all percent escape sequences valid. Percents will not be * re-escaped, regardless of their status in $preserve * @param string $string String to be encoded * @return string Encoded string. */ public function encode($string) { $ret = ''; for ($i = 0, $c = strlen($string); $i < $c; $i++) { if ($string[$i] !== '%' && !isset($this->preserve[$int = ord($string[$i])])) { $ret .= '%' . sprintf('%02X', $int); } else { $ret .= $string[$i]; } } return $ret; } /** * Fix up percent-encoding by decoding unreserved characters and normalizing. * @warning This function is affected by $preserve, even though the * usual desired behavior is for this not to preserve those * characters. Be careful when reusing instances of PercentEncoder! * @param string $string String to normalize * @return string */ public function normalize($string) { if ($string == '') { return ''; } $parts = explode('%', $string); $ret = array_shift($parts); foreach ($parts as $part) { $length = strlen($part); if ($length < 2) { $ret .= '%25' . $part; continue; } $encoding = substr($part, 0, 2); $text = substr($part, 2); if (!ctype_xdigit($encoding)) { $ret .= '%25' . $part; continue; } $int = hexdec($encoding); if (isset($this->preserve[$int])) { $ret .= chr($int) . $text; continue; } $encoding = strtoupper($encoding); $ret .= '%' . $encoding . $text; } return $ret; } } // vim: et sw=4 sts=4 true, 'ex' => true, 'px' => true, 'in' => true, 'cm' => true, 'mm' => true, 'pt' => true, 'pc' => true, 'ch' => true, 'rem' => true, 'vw' => true, 'vh' => true, 'vmin' => true, 'vmax' => true ); /** * @param string $n Magnitude * @param bool|string $u Unit */ public function __construct($n = '0', $u = false) { $this->n = (string) $n; $this->unit = $u !== false ? (string) $u : false; } /** * @param string $s Unit string, like '2em' or '3.4in' * @return HTMLPurifier_Length * @warning Does not perform validation. */ public static function make($s) { if ($s instanceof HTMLPurifier_Length) { return $s; } $n_length = strspn($s, '1234567890.+-'); $n = substr($s, 0, $n_length); $unit = substr($s, $n_length); if ($unit === '') { $unit = false; } return new HTMLPurifier_Length($n, $unit); } /** * Validates the number and unit. * @return bool */ protected function validate() { // Special case: if ($this->n === '+0' || $this->n === '-0') { $this->n = '0'; } if ($this->n === '0' && $this->unit === false) { return true; } if (!ctype_lower($this->unit)) { $this->unit = strtolower($this->unit); } if (!isset(HTMLPurifier_Length::$allowedUnits[$this->unit])) { return false; } // Hack: $def = new HTMLPurifier_AttrDef_CSS_Number(); $result = $def->validate($this->n, false, false); if ($result === false) { return false; } $this->n = $result; return true; } /** * Returns string representation of number. * @return string */ public function toString() { if (!$this->isValid()) { return false; } return $this->n . $this->unit; } /** * Retrieves string numeric magnitude. * @return string */ public function getN() { return $this->n; } /** * Retrieves string unit. * @return string */ public function getUnit() { return $this->unit; } /** * Returns true if this length unit is valid. * @return bool */ public function isValid() { if ($this->isValid === null) { $this->isValid = $this->validate(); } return $this->isValid; } /** * Compares two lengths, and returns 1 if greater, -1 if less and 0 if equal. * @param HTMLPurifier_Length $l * @return int * @warning If both values are too large or small, this calculation will * not work properly */ public function compareTo($l) { if ($l === false) { return false; } if ($l->unit !== $this->unit) { $converter = new HTMLPurifier_UnitConverter(); $l = $converter->convert($l, $this->unit); if ($l === false) { return false; } } return $this->n - $l->n; } } // vim: et sw=4 sts=4 p_start = new HTMLPurifier_Token_Start('', array()); $this->p_end = new HTMLPurifier_Token_End(''); $this->p_empty = new HTMLPurifier_Token_Empty('', array()); $this->p_text = new HTMLPurifier_Token_Text(''); $this->p_comment = new HTMLPurifier_Token_Comment(''); } /** * Creates a HTMLPurifier_Token_Start. * @param string $name Tag name * @param array $attr Associative array of attributes * @return HTMLPurifier_Token_Start Generated HTMLPurifier_Token_Start */ public function createStart($name, $attr = array()) { $p = clone $this->p_start; $p->__construct($name, $attr); return $p; } /** * Creates a HTMLPurifier_Token_End. * @param string $name Tag name * @return HTMLPurifier_Token_End Generated HTMLPurifier_Token_End */ public function createEnd($name) { $p = clone $this->p_end; $p->__construct($name); return $p; } /** * Creates a HTMLPurifier_Token_Empty. * @param string $name Tag name * @param array $attr Associative array of attributes * @return HTMLPurifier_Token_Empty Generated HTMLPurifier_Token_Empty */ public function createEmpty($name, $attr = array()) { $p = clone $this->p_empty; $p->__construct($name, $attr); return $p; } /** * Creates a HTMLPurifier_Token_Text. * @param string $data Data of text token * @return HTMLPurifier_Token_Text Generated HTMLPurifier_Token_Text */ public function createText($data) { $p = clone $this->p_text; $p->__construct($data); return $p; } /** * Creates a HTMLPurifier_Token_Comment. * @param string $data Data of comment token * @return HTMLPurifier_Token_Comment Generated HTMLPurifier_Token_Comment */ public function createComment($data) { $p = clone $this->p_comment; $p->__construct($data); return $p; } } // vim: et sw=4 sts=4 ]+>.+?' . '(?:http:)?//www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?#s'; $pre_replace = '\1'; return preg_replace($pre_regex, $pre_replace, $html); } /** * @param string $html * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return string */ public function postFilter($html, $config, $context) { $post_regex = '#((?:v|cp)/[A-Za-z0-9\-_=]+)#'; return preg_replace_callback($post_regex, array($this, 'postFilterCallback'), $html); } /** * @param $url * @return string */ protected function armorUrl($url) { return str_replace('--', '--', $url); } /** * @param array $matches * @return string */ protected function postFilterCallback($matches) { $url = $this->armorUrl($matches[1]); return '' . '' . '' . ''; } } // vim: et sw=4 sts=4 blocks from input HTML, cleans them up * using CSSTidy, and then places them in $purifier->context->get('StyleBlocks') * so they can be used elsewhere in the document. * * @note * See tests/HTMLPurifier/Filter/ExtractStyleBlocksTest.php for * sample usage. * * @note * This filter can also be used on stylesheets not included in the * document--something purists would probably prefer. Just directly * call HTMLPurifier_Filter_ExtractStyleBlocks->cleanCSS() */ class HTMLPurifier_Filter_ExtractStyleBlocks extends HTMLPurifier_Filter { /** * @type string */ public $name = 'ExtractStyleBlocks'; /** * @type array */ private $_styleMatches = array(); /** * @type csstidy */ private $_tidy; /** * @type HTMLPurifier_AttrDef_HTML_ID */ private $_id_attrdef; /** * @type HTMLPurifier_AttrDef_CSS_Ident */ private $_class_attrdef; /** * @type HTMLPurifier_AttrDef_Enum */ private $_enum_attrdef; public function __construct() { $this->_tidy = new csstidy(); $this->_tidy->set_cfg('lowercase_s', false); $this->_id_attrdef = new HTMLPurifier_AttrDef_HTML_ID(true); $this->_class_attrdef = new HTMLPurifier_AttrDef_CSS_Ident(); $this->_enum_attrdef = new HTMLPurifier_AttrDef_Enum( array( 'first-child', 'link', 'visited', 'active', 'hover', 'focus' ) ); } /** * Save the contents of CSS blocks to style matches * @param array $matches preg_replace style $matches array */ protected function styleCallback($matches) { $this->_styleMatches[] = $matches[1]; } /** * Removes inline // we must not grab foo in a font-family prop). if ($config->get('Filter.ExtractStyleBlocks.Escaping')) { $css = str_replace( array('<', '>', '&'), array('\3C ', '\3E ', '\26 '), $css ); } return $css; } } // vim: et sw=4 sts=4 form or the form, i.e. * is it a pair of start/end tokens or an empty token. * @bool */ public $empty = false; public $endCol = null, $endLine = null, $endArmor = array(); public function __construct($name, $attr = array(), $line = null, $col = null, $armor = array()) { $this->name = $name; $this->attr = $attr; $this->line = $line; $this->col = $col; $this->armor = $armor; } public function toTokenPair() { // XXX inefficiency here, normalization is not necessary if ($this->empty) { return array(new HTMLPurifier_Token_Empty($this->name, $this->attr, $this->line, $this->col, $this->armor), null); } else { $start = new HTMLPurifier_Token_Start($this->name, $this->attr, $this->line, $this->col, $this->armor); $end = new HTMLPurifier_Token_End($this->name, array(), $this->endLine, $this->endCol, $this->endArmor); //$end->start = $start; return array($start, $end); } } } data = $data; $this->line = $line; $this->col = $col; } public function toTokenPair() { return array(new HTMLPurifier_Token_Comment($this->data, $this->line, $this->col), null); } } data = $data; $this->is_whitespace = $is_whitespace; $this->line = $line; $this->col = $col; } public function toTokenPair() { return array(new HTMLPurifier_Token_Text($this->data, $this->line, $this->col), null); } } // vim: et sw=4 sts=4 percentEncoder = new HTMLPurifier_PercentEncoder(); } /** * Parses a URI. * @param $uri string URI to parse * @return HTMLPurifier_URI representation of URI. This representation has * not been validated yet and may not conform to RFC. */ public function parse($uri) { $uri = $this->percentEncoder->normalize($uri); // Regexp is as per Appendix B. // Note that ["<>] are an addition to the RFC's recommended // characters, because they represent external delimeters. $r_URI = '!'. '(([a-zA-Z0-9\.\+\-]+):)?'. // 2. Scheme '(//([^/?#"<>]*))?'. // 4. Authority '([^?#"<>]*)'. // 5. Path '(\?([^#"<>]*))?'. // 7. Query '(#([^"<>]*))?'. // 8. Fragment '!'; $matches = array(); $result = preg_match($r_URI, $uri, $matches); if (!$result) return false; // *really* invalid URI // seperate out parts $scheme = !empty($matches[1]) ? $matches[2] : null; $authority = !empty($matches[3]) ? $matches[4] : null; $path = $matches[5]; // always present, can be empty $query = !empty($matches[6]) ? $matches[7] : null; $fragment = !empty($matches[8]) ? $matches[9] : null; // further parse authority if ($authority !== null) { $r_authority = "/^((.+?)@)?(\[[^\]]+\]|[^:]*)(:(\d*))?/"; $matches = array(); preg_match($r_authority, $authority, $matches); $userinfo = !empty($matches[1]) ? $matches[2] : null; $host = !empty($matches[3]) ? $matches[3] : ''; $port = !empty($matches[4]) ? (int) $matches[5] : null; } else { $port = $host = $userinfo = null; } return new HTMLPurifier_URI( $scheme, $userinfo, $host, $port, $path, $query, $fragment); } } // vim: et sw=4 sts=4 tags. * @type bool */ private $_scriptFix = false; /** * Cache of HTMLDefinition during HTML output to determine whether or * not attributes should be minimized. * @type HTMLPurifier_HTMLDefinition */ private $_def; /** * Cache of %Output.SortAttr. * @type bool */ private $_sortAttr; /** * Cache of %Output.FlashCompat. * @type bool */ private $_flashCompat; /** * Cache of %Output.FixInnerHTML. * @type bool */ private $_innerHTMLFix; /** * Stack for keeping track of object information when outputting IE * compatibility code. * @type array */ private $_flashStack = array(); /** * Configuration for the generator * @type HTMLPurifier_Config */ protected $config; /** * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context */ public function __construct($config, $context) { $this->config = $config; $this->_scriptFix = $config->get('Output.CommentScriptContents'); $this->_innerHTMLFix = $config->get('Output.FixInnerHTML'); $this->_sortAttr = $config->get('Output.SortAttr'); $this->_flashCompat = $config->get('Output.FlashCompat'); $this->_def = $config->getHTMLDefinition(); $this->_xhtml = $this->_def->doctype->xml; } /** * Generates HTML from an array of tokens. * @param HTMLPurifier_Token[] $tokens Array of HTMLPurifier_Token * @return string Generated HTML */ public function generateFromTokens($tokens) { if (!$tokens) { return ''; } // Basic algorithm $html = ''; for ($i = 0, $size = count($tokens); $i < $size; $i++) { if ($this->_scriptFix && $tokens[$i]->name === 'script' && $i + 2 < $size && $tokens[$i+2] instanceof HTMLPurifier_Token_End) { // script special case // the contents of the script block must be ONE token // for this to work. $html .= $this->generateFromToken($tokens[$i++]); $html .= $this->generateScriptFromToken($tokens[$i++]); } $html .= $this->generateFromToken($tokens[$i]); } // Tidy cleanup if (extension_loaded('tidy') && $this->config->get('Output.TidyFormat')) { $tidy = new Tidy; $tidy->parseString( $html, array( 'indent'=> true, 'output-xhtml' => $this->_xhtml, 'show-body-only' => true, 'indent-spaces' => 2, 'wrap' => 68, ), 'utf8' ); $tidy->cleanRepair(); $html = (string) $tidy; // explicit cast necessary } // Normalize newlines to system defined value if ($this->config->get('Core.NormalizeNewlines')) { $nl = $this->config->get('Output.Newline'); if ($nl === null) { $nl = PHP_EOL; } if ($nl !== "\n") { $html = str_replace("\n", $nl, $html); } } return $html; } /** * Generates HTML from a single token. * @param HTMLPurifier_Token $token HTMLPurifier_Token object. * @return string Generated HTML */ public function generateFromToken($token) { if (!$token instanceof HTMLPurifier_Token) { trigger_error('Cannot generate HTML from non-HTMLPurifier_Token object', E_USER_WARNING); return ''; } elseif ($token instanceof HTMLPurifier_Token_Start) { $attr = $this->generateAttributes($token->attr, $token->name); if ($this->_flashCompat) { if ($token->name == "object") { $flash = new stdClass(); $flash->attr = $token->attr; $flash->param = array(); $this->_flashStack[] = $flash; } } return '<' . $token->name . ($attr ? ' ' : '') . $attr . '>'; } elseif ($token instanceof HTMLPurifier_Token_End) { $_extra = ''; if ($this->_flashCompat) { if ($token->name == "object" && !empty($this->_flashStack)) { // doesn't do anything for now } } return $_extra . 'name . '>'; } elseif ($token instanceof HTMLPurifier_Token_Empty) { if ($this->_flashCompat && $token->name == "param" && !empty($this->_flashStack)) { $this->_flashStack[count($this->_flashStack)-1]->param[$token->attr['name']] = $token->attr['value']; } $attr = $this->generateAttributes($token->attr, $token->name); return '<' . $token->name . ($attr ? ' ' : '') . $attr . ( $this->_xhtml ? ' /': '' ) //
v.
. '>'; } elseif ($token instanceof HTMLPurifier_Token_Text) { return $this->escape($token->data, ENT_NOQUOTES); } elseif ($token instanceof HTMLPurifier_Token_Comment) { return ''; } else { return ''; } } /** * Special case processor for the contents of script tags * @param HTMLPurifier_Token $token HTMLPurifier_Token object. * @return string * @warning This runs into problems if there's already a literal * --> somewhere inside the script contents. */ public function generateScriptFromToken($token) { if (!$token instanceof HTMLPurifier_Token_Text) { return $this->generateFromToken($token); } // Thanks $data = preg_replace('#//\s*$#', '', $token->data); return ''; } /** * Generates attribute declarations from attribute array. * @note This does not include the leading or trailing space. * @param array $assoc_array_of_attributes Attribute array * @param string $element Name of element attributes are for, used to check * attribute minimization. * @return string Generated HTML fragment for insertion. */ public function generateAttributes($assoc_array_of_attributes, $element = '') { $html = ''; if ($this->_sortAttr) { ksort($assoc_array_of_attributes); } foreach ($assoc_array_of_attributes as $key => $value) { if (!$this->_xhtml) { // Remove namespaced attributes if (strpos($key, ':') !== false) { continue; } // Check if we should minimize the attribute: val="val" -> val if ($element && !empty($this->_def->info[$element]->attr[$key]->minimized)) { $html .= $key . ' '; continue; } } // Workaround for Internet Explorer innerHTML bug. // Essentially, Internet Explorer, when calculating // innerHTML, omits quotes if there are no instances of // angled brackets, quotes or spaces. However, when parsing // HTML (for example, when you assign to innerHTML), it // treats backticks as quotes. Thus, // `` // becomes // `` // becomes // // Fortunately, all we need to do is trigger an appropriate // quoting style, which we do by adding an extra space. // This also is consistent with the W3C spec, which states // that user agents may ignore leading or trailing // whitespace (in fact, most don't, at least for attributes // like alt, but an extra space at the end is barely // noticeable). Still, we have a configuration knob for // this, since this transformation is not necesary if you // don't process user input with innerHTML or you don't plan // on supporting Internet Explorer. if ($this->_innerHTMLFix) { if (strpos($value, '`') !== false) { // check if correct quoting style would not already be // triggered if (strcspn($value, '"\' <>') === strlen($value)) { // protect! $value .= ' '; } } } $html .= $key.'="'.$this->escape($value).'" '; } return rtrim($html); } /** * Escapes raw text data. * @todo This really ought to be protected, but until we have a facility * for properly generating HTML here w/o using tokens, it stays * public. * @param string $string String data to escape for HTML. * @param int $quote Quoting style, like htmlspecialchars. ENT_NOQUOTES is * permissible for non-attribute output. * @return string escaped data. */ public function escape($string, $quote = null) { // Workaround for APC bug on Mac Leopard reported by sidepodcast // http://htmlpurifier.org/phorum/read.php?3,4823,4846 if ($quote === null) { $quote = ENT_COMPAT; } return htmlspecialchars($string, $quote, 'UTF-8'); } } // vim: et sw=4 sts=4 array( 'px' => 3, // This is as per CSS 2.1 and Firefox. Your mileage may vary 'pt' => 4, 'pc' => 48, 'in' => 288, self::METRIC => array('pt', '0.352777778', 'mm'), ), self::METRIC => array( 'mm' => 1, 'cm' => 10, self::ENGLISH => array('mm', '2.83464567', 'pt'), ), ); /** * Minimum bcmath precision for output. * @type int */ protected $outputPrecision; /** * Bcmath precision for internal calculations. * @type int */ protected $internalPrecision; /** * Whether or not BCMath is available. * @type bool */ private $bcmath; public function __construct($output_precision = 4, $internal_precision = 10, $force_no_bcmath = false) { $this->outputPrecision = $output_precision; $this->internalPrecision = $internal_precision; $this->bcmath = !$force_no_bcmath && function_exists('bcmul'); } /** * Converts a length object of one unit into another unit. * @param HTMLPurifier_Length $length * Instance of HTMLPurifier_Length to convert. You must validate() * it before passing it here! * @param string $to_unit * Unit to convert to. * @return HTMLPurifier_Length|bool * @note * About precision: This conversion function pays very special * attention to the incoming precision of values and attempts * to maintain a number of significant figure. Results are * fairly accurate up to nine digits. Some caveats: * - If a number is zero-padded as a result of this significant * figure tracking, the zeroes will be eliminated. * - If a number contains less than four sigfigs ($outputPrecision) * and this causes some decimals to be excluded, those * decimals will be added on. */ public function convert($length, $to_unit) { if (!$length->isValid()) { return false; } $n = $length->getN(); $unit = $length->getUnit(); if ($n === '0' || $unit === false) { return new HTMLPurifier_Length('0', false); } $state = $dest_state = false; foreach (self::$units as $k => $x) { if (isset($x[$unit])) { $state = $k; } if (isset($x[$to_unit])) { $dest_state = $k; } } if (!$state || !$dest_state) { return false; } // Some calculations about the initial precision of the number; // this will be useful when we need to do final rounding. $sigfigs = $this->getSigFigs($n); if ($sigfigs < $this->outputPrecision) { $sigfigs = $this->outputPrecision; } // BCMath's internal precision deals only with decimals. Use // our default if the initial number has no decimals, or increase // it by how ever many decimals, thus, the number of guard digits // will always be greater than or equal to internalPrecision. $log = (int)floor(log(abs($n), 10)); $cp = ($log < 0) ? $this->internalPrecision - $log : $this->internalPrecision; // internal precision for ($i = 0; $i < 2; $i++) { // Determine what unit IN THIS SYSTEM we need to convert to if ($dest_state === $state) { // Simple conversion $dest_unit = $to_unit; } else { // Convert to the smallest unit, pending a system shift $dest_unit = self::$units[$state][$dest_state][0]; } // Do the conversion if necessary if ($dest_unit !== $unit) { $factor = $this->div(self::$units[$state][$unit], self::$units[$state][$dest_unit], $cp); $n = $this->mul($n, $factor, $cp); $unit = $dest_unit; } // Output was zero, so bail out early. Shouldn't ever happen. if ($n === '') { $n = '0'; $unit = $to_unit; break; } // It was a simple conversion, so bail out if ($dest_state === $state) { break; } if ($i !== 0) { // Conversion failed! Apparently, the system we forwarded // to didn't have this unit. This should never happen! return false; } // Pre-condition: $i == 0 // Perform conversion to next system of units $n = $this->mul($n, self::$units[$state][$dest_state][1], $cp); $unit = self::$units[$state][$dest_state][2]; $state = $dest_state; // One more loop around to convert the unit in the new system. } // Post-condition: $unit == $to_unit if ($unit !== $to_unit) { return false; } // Useful for debugging: //echo "
n";
        //echo "$n\nsigfigs = $sigfigs\nnew_log = $new_log\nlog = $log\nrp = $rp\n
\n"; $n = $this->round($n, $sigfigs); if (strpos($n, '.') !== false) { $n = rtrim($n, '0'); } $n = rtrim($n, '.'); return new HTMLPurifier_Length($n, $unit); } /** * Returns the number of significant figures in a string number. * @param string $n Decimal number * @return int number of sigfigs */ public function getSigFigs($n) { $n = ltrim($n, '0+-'); $dp = strpos($n, '.'); // decimal position if ($dp === false) { $sigfigs = strlen(rtrim($n, '0')); } else { $sigfigs = strlen(ltrim($n, '0.')); // eliminate extra decimal character if ($dp !== 0) { $sigfigs--; } } return $sigfigs; } /** * Adds two numbers, using arbitrary precision when available. * @param string $s1 * @param string $s2 * @param int $scale * @return string */ private function add($s1, $s2, $scale) { if ($this->bcmath) { return bcadd($s1, $s2, $scale); } else { return $this->scale((float)$s1 + (float)$s2, $scale); } } /** * Multiples two numbers, using arbitrary precision when available. * @param string $s1 * @param string $s2 * @param int $scale * @return string */ private function mul($s1, $s2, $scale) { if ($this->bcmath) { return bcmul($s1, $s2, $scale); } else { return $this->scale((float)$s1 * (float)$s2, $scale); } } /** * Divides two numbers, using arbitrary precision when available. * @param string $s1 * @param string $s2 * @param int $scale * @return string */ private function div($s1, $s2, $scale) { if ($this->bcmath) { return bcdiv($s1, $s2, $scale); } else { return $this->scale((float)$s1 / (float)$s2, $scale); } } /** * Rounds a number according to the number of sigfigs it should have, * using arbitrary precision when available. * @param float $n * @param int $sigfigs * @return string */ private function round($n, $sigfigs) { $new_log = (int)floor(log(abs($n), 10)); // Number of digits left of decimal - 1 $rp = $sigfigs - $new_log - 1; // Number of decimal places needed $neg = $n < 0 ? '-' : ''; // Negative sign if ($this->bcmath) { if ($rp >= 0) { $n = bcadd($n, $neg . '0.' . str_repeat('0', $rp) . '5', $rp + 1); $n = bcdiv($n, '1', $rp); } else { // This algorithm partially depends on the standardized // form of numbers that comes out of bcmath. $n = bcadd($n, $neg . '5' . str_repeat('0', $new_log - $sigfigs), 0); $n = substr($n, 0, $sigfigs + strlen($neg)) . str_repeat('0', $new_log - $sigfigs + 1); } return $n; } else { return $this->scale(round($n, $sigfigs - $new_log - 1), $rp + 1); } } /** * Scales a float to $scale digits right of decimal point, like BCMath. * @param float $r * @param int $scale * @return string */ private function scale($r, $scale) { if ($scale < 0) { // The f sprintf type doesn't support negative numbers, so we // need to cludge things manually. First get the string. $r = sprintf('%.0f', (float)$r); // Due to floating point precision loss, $r will more than likely // look something like 4652999999999.9234. We grab one more digit // than we need to precise from $r and then use that to round // appropriately. $precise = (string)round(substr($r, 0, strlen($r) + $scale), -1); // Now we return it, truncating the zero that was rounded off. return substr($precise, 0, -1) . str_repeat('0', -$scale + 1); } return sprintf('%.' . $scale . 'f', (float)$r); } } // vim: et sw=4 sts=4 type = $type; } /** * Generates a unique identifier for a particular configuration * @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config * @return string */ public function generateKey($config) { return $config->version . ',' . // possibly replace with function calls $config->getBatchSerial($this->type) . ',' . $config->get($this->type . '.DefinitionRev'); } /** * Tests whether or not a key is old with respect to the configuration's * version and revision number. * @param string $key Key to test * @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config to test against * @return bool */ public function isOld($key, $config) { if (substr_count($key, ',') < 2) { return true; } list($version, $hash, $revision) = explode(',', $key, 3); $compare = version_compare($version, $config->version); // version mismatch, is always old if ($compare != 0) { return true; } // versions match, ids match, check revision number if ($hash == $config->getBatchSerial($this->type) && $revision < $config->get($this->type . '.DefinitionRev')) { return true; } return false; } /** * Checks if a definition's type jives with the cache's type * @note Throws an error on failure * @param HTMLPurifier_Definition $def Definition object to check * @return bool true if good, false if not */ public function checkDefType($def) { if ($def->type !== $this->type) { trigger_error("Cannot use definition of type {$def->type} in cache for {$this->type}"); return false; } return true; } /** * Adds a definition object to the cache * @param HTMLPurifier_Definition $def * @param HTMLPurifier_Config $config */ abstract public function add($def, $config); /** * Unconditionally saves a definition object to the cache * @param HTMLPurifier_Definition $def * @param HTMLPurifier_Config $config */ abstract public function set($def, $config); /** * Replace an object in the cache * @param HTMLPurifier_Definition $def * @param HTMLPurifier_Config $config */ abstract public function replace($def, $config); /** * Retrieves a definition object from the cache * @param HTMLPurifier_Config $config */ abstract public function get($config); /** * Removes a definition object to the cache * @param HTMLPurifier_Config $config */ abstract public function remove($config); /** * Clears all objects from cache * @param HTMLPurifier_Config $config */ abstract public function flush($config); /** * Clears all expired (older version or revision) objects from cache * @note Be careful implementing this method as flush. Flush must * not interfere with other Definition types, and cleanup() * should not be repeatedly called by userland code. * @param HTMLPurifier_Config $config */ abstract public function cleanup($config); } // vim: et sw=4 sts=4 getAll(); $context = new HTMLPurifier_Context(); $this->generator = new HTMLPurifier_Generator($config, $context); } /** * Main function that renders object or aspect of that object * @note Parameters vary depending on printer */ // function render() {} /** * Returns a start tag * @param string $tag Tag name * @param array $attr Attribute array * @return string */ protected function start($tag, $attr = array()) { return $this->generator->generateFromToken( new HTMLPurifier_Token_Start($tag, $attr ? $attr : array()) ); } /** * Returns an end tag * @param string $tag Tag name * @return string */ protected function end($tag) { return $this->generator->generateFromToken( new HTMLPurifier_Token_End($tag) ); } /** * Prints a complete element with content inside * @param string $tag Tag name * @param string $contents Element contents * @param array $attr Tag attributes * @param bool $escape whether or not to escape contents * @return string */ protected function element($tag, $contents, $attr = array(), $escape = true) { return $this->start($tag, $attr) . ($escape ? $this->escape($contents) : $contents) . $this->end($tag); } /** * @param string $tag * @param array $attr * @return string */ protected function elementEmpty($tag, $attr = array()) { return $this->generator->generateFromToken( new HTMLPurifier_Token_Empty($tag, $attr) ); } /** * @param string $text * @return string */ protected function text($text) { return $this->generator->generateFromToken( new HTMLPurifier_Token_Text($text) ); } /** * Prints a simple key/value row in a table. * @param string $name Key * @param mixed $value Value * @return string */ protected function row($name, $value) { if (is_bool($value)) { $value = $value ? 'On' : 'Off'; } return $this->start('tr') . "\n" . $this->element('th', $name) . "\n" . $this->element('td', $value) . "\n" . $this->end('tr'); } /** * Escapes a string for HTML output. * @param string $string String to escape * @return string */ protected function escape($string) { $string = HTMLPurifier_Encoder::cleanUTF8($string); $string = htmlspecialchars($string, ENT_COMPAT, 'UTF-8'); return $string; } /** * Takes a list of strings and turns them into a single list * @param string[] $array List of strings * @param bool $polite Bool whether or not to add an end before the last * @return string */ protected function listify($array, $polite = false) { if (empty($array)) { return 'None'; } $ret = ''; $i = count($array); foreach ($array as $value) { $i--; $ret .= $value; if ($i > 0 && !($polite && $i == 1)) { $ret .= ', '; } if ($polite && $i == 1) { $ret .= 'and '; } } return $ret; } /** * Retrieves the class of an object without prefixes, as well as metadata * @param object $obj Object to determine class of * @param string $sec_prefix Further prefix to remove * @return string */ protected function getClass($obj, $sec_prefix = '') { static $five = null; if ($five === null) { $five = version_compare(PHP_VERSION, '5', '>='); } $prefix = 'HTMLPurifier_' . $sec_prefix; if (!$five) { $prefix = strtolower($prefix); } $class = str_replace($prefix, '', get_class($obj)); $lclass = strtolower($class); $class .= '('; switch ($lclass) { case 'enum': $values = array(); foreach ($obj->valid_values as $value => $bool) { $values[] = $value; } $class .= implode(', ', $values); break; case 'css_composite': $values = array(); foreach ($obj->defs as $def) { $values[] = $this->getClass($def, $sec_prefix); } $class .= implode(', ', $values); break; case 'css_multiple': $class .= $this->getClass($obj->single, $sec_prefix) . ', '; $class .= $obj->max; break; case 'css_denyelementdecorator': $class .= $this->getClass($obj->def, $sec_prefix) . ', '; $class .= $obj->element; break; case 'css_importantdecorator': $class .= $this->getClass($obj->def, $sec_prefix); if ($obj->allow) { $class .= ', !important'; } break; } $class .= ')'; return $class; } } // vim: et sw=4 sts=4 get('URI.AllowedSchemes'); if (!$config->get('URI.OverrideAllowedSchemes') && !isset($allowed_schemes[$scheme]) ) { return; } if (isset($this->schemes[$scheme])) { return $this->schemes[$scheme]; } if (!isset($allowed_schemes[$scheme])) { return; } $class = 'HTMLPurifier_URIScheme_' . $scheme; if (!class_exists($class)) { return; } $this->schemes[$scheme] = new $class(); return $this->schemes[$scheme]; } /** * Registers a custom scheme to the cache, bypassing reflection. * @param string $scheme Scheme name * @param HTMLPurifier_URIScheme $scheme_obj */ public function register($scheme, $scheme_obj) { $this->schemes[$scheme] = $scheme_obj; } } // vim: et sw=4 sts=4 by removing * leading and trailing whitespace, ignoring line feeds, and replacing * carriage returns and tabs with spaces. While most useful for HTML * attributes specified as CDATA, it can also be applied to most CSS * values. * * @note This method is not entirely standards compliant, as trim() removes * more types of whitespace than specified in the spec. In practice, * this is rarely a problem, as those extra characters usually have * already been removed by HTMLPurifier_Encoder. * * @warning This processing is inconsistent with XML's whitespace handling * as specified by section 3.3.3 and referenced XHTML 1.0 section * 4.7. However, note that we are NOT necessarily * parsing XML, thus, this behavior may still be correct. We * assume that newlines have been normalized. */ public function parseCDATA($string) { $string = trim($string); $string = str_replace(array("\n", "\t", "\r"), ' ', $string); return $string; } /** * Factory method for creating this class from a string. * @param string $string String construction info * @return HTMLPurifier_AttrDef Created AttrDef object corresponding to $string */ public function make($string) { // default implementation, return a flyweight of this object. // If $string has an effect on the returned object (i.e. you // need to overload this method), it is best // to clone or instantiate new copies. (Instantiation is safer.) return $this; } /** * Removes spaces from rgb(0, 0, 0) so that shorthand CSS properties work * properly. THIS IS A HACK! * @param string $string a CSS colour definition * @return string */ protected function mungeRgb($string) { $p = '\s*(\d+(\.\d+)?([%]?))\s*'; if (preg_match('/(rgba|hsla)\(/', $string)) { return preg_replace('/(rgba|hsla)\('.$p.','.$p.','.$p.','.$p.'\)/', '\1(\2,\5,\8,\11)', $string); } return preg_replace('/(rgb|hsl)\('.$p.','.$p.','.$p.'\)/', '\1(\2,\5,\8)', $string); } /** * Parses a possibly escaped CSS string and returns the "pure" * version of it. */ protected function expandCSSEscape($string) { // flexibly parse it $ret = ''; for ($i = 0, $c = strlen($string); $i < $c; $i++) { if ($string[$i] === '\\') { $i++; if ($i >= $c) { $ret .= '\\'; break; } if (ctype_xdigit($string[$i])) { $code = $string[$i]; for ($a = 1, $i++; $i < $c && $a < 6; $i++, $a++) { if (!ctype_xdigit($string[$i])) { break; } $code .= $string[$i]; } // We have to be extremely careful when adding // new characters, to make sure we're not breaking // the encoding. $char = HTMLPurifier_Encoder::unichr(hexdec($code)); if (HTMLPurifier_Encoder::cleanUTF8($char) === '') { continue; } $ret .= $char; if ($i < $c && trim($string[$i]) !== '') { $i--; } continue; } if ($string[$i] === "\n") { continue; } } $ret .= $string[$i]; } return $ret; } } // vim: et sw=4 sts=4 processToken() * documentation. * * @todo Allow injectors to request a re-run on their output. This * would help if an operation is recursive. */ abstract class HTMLPurifier_Injector { /** * Advisory name of injector, this is for friendly error messages. * @type string */ public $name; /** * @type HTMLPurifier_HTMLDefinition */ protected $htmlDefinition; /** * Reference to CurrentNesting variable in Context. This is an array * list of tokens that we are currently "inside" * @type array */ protected $currentNesting; /** * Reference to current token. * @type HTMLPurifier_Token */ protected $currentToken; /** * Reference to InputZipper variable in Context. * @type HTMLPurifier_Zipper */ protected $inputZipper; /** * Array of elements and attributes this injector creates and therefore * need to be allowed by the definition. Takes form of * array('element' => array('attr', 'attr2'), 'element2') * @type array */ public $needed = array(); /** * Number of elements to rewind backwards (relative). * @type bool|int */ protected $rewindOffset = false; /** * Rewind to a spot to re-perform processing. This is useful if you * deleted a node, and now need to see if this change affected any * earlier nodes. Rewinding does not affect other injectors, and can * result in infinite loops if not used carefully. * @param bool|int $offset * @warning HTML Purifier will prevent you from fast-forwarding with this * function. */ public function rewindOffset($offset) { $this->rewindOffset = $offset; } /** * Retrieves rewind offset, and then unsets it. * @return bool|int */ public function getRewindOffset() { $r = $this->rewindOffset; $this->rewindOffset = false; return $r; } /** * Prepares the injector by giving it the config and context objects: * this allows references to important variables to be made within * the injector. This function also checks if the HTML environment * will work with the Injector (see checkNeeded()). * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return bool|string Boolean false if success, string of missing needed element/attribute if failure */ public function prepare($config, $context) { $this->htmlDefinition = $config->getHTMLDefinition(); // Even though this might fail, some unit tests ignore this and // still test checkNeeded, so be careful. Maybe get rid of that // dependency. $result = $this->checkNeeded($config); if ($result !== false) { return $result; } $this->currentNesting =& $context->get('CurrentNesting'); $this->currentToken =& $context->get('CurrentToken'); $this->inputZipper =& $context->get('InputZipper'); return false; } /** * This function checks if the HTML environment * will work with the Injector: if p tags are not allowed, the * Auto-Paragraphing injector should not be enabled. * @param HTMLPurifier_Config $config * @return bool|string Boolean false if success, string of missing needed element/attribute if failure */ public function checkNeeded($config) { $def = $config->getHTMLDefinition(); foreach ($this->needed as $element => $attributes) { if (is_int($element)) { $element = $attributes; } if (!isset($def->info[$element])) { return $element; } if (!is_array($attributes)) { continue; } foreach ($attributes as $name) { if (!isset($def->info[$element]->attr[$name])) { return "$element.$name"; } } } return false; } /** * Tests if the context node allows a certain element * @param string $name Name of element to test for * @return bool True if element is allowed, false if it is not */ public function allowsElement($name) { if (!empty($this->currentNesting)) { $parent_token = array_pop($this->currentNesting); $this->currentNesting[] = $parent_token; $parent = $this->htmlDefinition->info[$parent_token->name]; } else { $parent = $this->htmlDefinition->info_parent_def; } if (!isset($parent->child->elements[$name]) || isset($parent->excludes[$name])) { return false; } // check for exclusion if (!empty($this->currentNesting)) { for ($i = count($this->currentNesting) - 2; $i >= 0; $i--) { $node = $this->currentNesting[$i]; $def = $this->htmlDefinition->info[$node->name]; if (isset($def->excludes[$name])) { return false; } } } return true; } /** * Iterator function, which starts with the next token and continues until * you reach the end of the input tokens. * @warning Please prevent previous references from interfering with this * functions by setting $i = null beforehand! * @param int $i Current integer index variable for inputTokens * @param HTMLPurifier_Token $current Current token variable. * Do NOT use $token, as that variable is also a reference * @return bool */ protected function forward(&$i, &$current) { if ($i === null) { $i = count($this->inputZipper->back) - 1; } else { $i--; } if ($i < 0) { return false; } $current = $this->inputZipper->back[$i]; return true; } /** * Similar to _forward, but accepts a third parameter $nesting (which * should be initialized at 0) and stops when we hit the end tag * for the node $this->inputIndex starts in. * @param int $i Current integer index variable for inputTokens * @param HTMLPurifier_Token $current Current token variable. * Do NOT use $token, as that variable is also a reference * @param int $nesting * @return bool */ protected function forwardUntilEndToken(&$i, &$current, &$nesting) { $result = $this->forward($i, $current); if (!$result) { return false; } if ($nesting === null) { $nesting = 0; } if ($current instanceof HTMLPurifier_Token_Start) { $nesting++; } elseif ($current instanceof HTMLPurifier_Token_End) { if ($nesting <= 0) { return false; } $nesting--; } return true; } /** * Iterator function, starts with the previous token and continues until * you reach the beginning of input tokens. * @warning Please prevent previous references from interfering with this * functions by setting $i = null beforehand! * @param int $i Current integer index variable for inputTokens * @param HTMLPurifier_Token $current Current token variable. * Do NOT use $token, as that variable is also a reference * @return bool */ protected function backward(&$i, &$current) { if ($i === null) { $i = count($this->inputZipper->front) - 1; } else { $i--; } if ($i < 0) { return false; } $current = $this->inputZipper->front[$i]; return true; } /** * Handler that is called when a text token is processed */ public function handleText(&$token) { } /** * Handler that is called when a start or empty token is processed */ public function handleElement(&$token) { } /** * Handler that is called when an end token is processed */ public function handleEnd(&$token) { $this->notifyEnd($token); } /** * Notifier that is called when an end token is processed * @param HTMLPurifier_Token $token Current token variable. * @note This differs from handlers in that the token is read-only * @deprecated */ public function notifyEnd($token) { } } // vim: et sw=4 sts=4 config = $config; $this->context = $context; $this->removeNbsp = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp'); $this->removeNbspExceptions = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions'); $this->exclude = $config->get('AutoFormat.RemoveEmpty.Predicate'); foreach ($this->exclude as $key => $attrs) { if (!is_array($attrs)) { // HACK, see HTMLPurifier/Printer/ConfigForm.php $this->exclude[$key] = explode(';', $attrs); } } $this->attrValidator = new HTMLPurifier_AttrValidator(); } /** * @param HTMLPurifier_Token $token */ public function handleElement(&$token) { if (!$token instanceof HTMLPurifier_Token_Start) { return; } $next = false; $deleted = 1; // the current tag for ($i = count($this->inputZipper->back) - 1; $i >= 0; $i--, $deleted++) { $next = $this->inputZipper->back[$i]; if ($next instanceof HTMLPurifier_Token_Text) { if ($next->is_whitespace) { continue; } if ($this->removeNbsp && !isset($this->removeNbspExceptions[$token->name])) { $plain = str_replace("\xC2\xA0", "", $next->data); $isWsOrNbsp = $plain === '' || ctype_space($plain); if ($isWsOrNbsp) { continue; } } } break; } if (!$next || ($next instanceof HTMLPurifier_Token_End && $next->name == $token->name)) { $this->attrValidator->validateToken($token, $this->config, $this->context); $token->armor['ValidateAttributes'] = true; if (isset($this->exclude[$token->name])) { $r = true; foreach ($this->exclude[$token->name] as $elem) { if (!isset($token->attr[$elem])) $r = false; } if ($r) return; } if (isset($token->attr['id']) || isset($token->attr['name'])) { return; } $token = $deleted + 1; for ($b = 0, $c = count($this->inputZipper->front); $b < $c; $b++) { $prev = $this->inputZipper->front[$b]; if ($prev instanceof HTMLPurifier_Token_Text && $prev->is_whitespace) { continue; } break; } // This is safe because we removed the token that triggered this. $this->rewindOffset($b+$deleted); return; } } } // vim: et sw=4 sts=4 'never', 'allowNetworking' => 'internal', ); /** * These are all lower-case keys. * @type array */ protected $allowedParam = array( 'wmode' => true, 'movie' => true, 'flashvars' => true, 'src' => true, 'allowfullscreen' => true, // if omitted, assume to be 'false' ); /** * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return void */ public function prepare($config, $context) { parent::prepare($config, $context); } /** * @param HTMLPurifier_Token $token */ public function handleElement(&$token) { if ($token->name == 'object') { $this->objectStack[] = $token; $this->paramStack[] = array(); $new = array($token); foreach ($this->addParam as $name => $value) { $new[] = new HTMLPurifier_Token_Empty('param', array('name' => $name, 'value' => $value)); } $token = $new; } elseif ($token->name == 'param') { $nest = count($this->currentNesting) - 1; if ($nest >= 0 && $this->currentNesting[$nest]->name === 'object') { $i = count($this->objectStack) - 1; if (!isset($token->attr['name'])) { $token = false; return; } $n = $token->attr['name']; // We need this fix because YouTube doesn't supply a data // attribute, which we need if a type is specified. This is // *very* Flash specific. if (!isset($this->objectStack[$i]->attr['data']) && ($token->attr['name'] == 'movie' || $token->attr['name'] == 'src') ) { $this->objectStack[$i]->attr['data'] = $token->attr['value']; } // Check if the parameter is the correct value but has not // already been added if (!isset($this->paramStack[$i][$n]) && isset($this->addParam[$n]) && $token->attr['name'] === $this->addParam[$n]) { // keep token, and add to param stack $this->paramStack[$i][$n] = true; } elseif (isset($this->allowedParam[strtolower($n)])) { // keep token, don't do anything to it // (could possibly check for duplicates here) // Note: In principle, parameters should be case sensitive. // But it seems they are not really; so accept any case. } else { $token = false; } } else { // not directly inside an object, DENY! $token = false; } } } public function handleEnd(&$token) { // This is the WRONG way of handling the object and param stacks; // we should be inserting them directly on the relevant object tokens // so that the global stack handling handles it. if ($token->name == 'object') { array_pop($this->objectStack); array_pop($this->paramStack); } } } // vim: et sw=4 sts=4 attrValidator = new HTMLPurifier_AttrValidator(); $this->config = $config; $this->context = $context; return parent::prepare($config, $context); } /** * @param HTMLPurifier_Token $token */ public function handleElement(&$token) { if ($token->name !== 'span' || !$token instanceof HTMLPurifier_Token_Start) { return; } // We need to validate the attributes now since this doesn't normally // happen until after MakeWellFormed. If all the attributes are removed // the span needs to be removed too. $this->attrValidator->validateToken($token, $this->config, $this->context); $token->armor['ValidateAttributes'] = true; if (!empty($token->attr)) { return; } $nesting = 0; while ($this->forwardUntilEndToken($i, $current, $nesting)) { } if ($current instanceof HTMLPurifier_Token_End && $current->name === 'span') { // Mark closing span tag for deletion $current->markForDeletion = true; // Delete open span tag $token = false; } } /** * @param HTMLPurifier_Token $token */ public function handleEnd(&$token) { if ($token->markForDeletion) { $token = false; } } } // vim: et sw=4 sts=4 array('href')); /** * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return string */ public function prepare($config, $context) { $this->docURL = $config->get('AutoFormat.PurifierLinkify.DocURL'); return parent::prepare($config, $context); } /** * @param HTMLPurifier_Token $token */ public function handleText(&$token) { if (!$this->allowsElement('a')) { return; } if (strpos($token->data, '%') === false) { return; } $bits = preg_split('#%([a-z0-9]+\.[a-z0-9]+)#Si', $token->data, -1, PREG_SPLIT_DELIM_CAPTURE); $token = array(); // $i = index // $c = count // $l = is link for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) { if (!$l) { if ($bits[$i] === '') { continue; } $token[] = new HTMLPurifier_Token_Text($bits[$i]); } else { $token[] = new HTMLPurifier_Token_Start( 'a', array('href' => str_replace('%s', $bits[$i], $this->docURL)) ); $token[] = new HTMLPurifier_Token_Text('%' . $bits[$i]); $token[] = new HTMLPurifier_Token_End('a'); } } } } // vim: et sw=4 sts=4 armor['MakeWellFormed_TagClosedError'] = true; return $par; } /** * @param HTMLPurifier_Token_Text $token */ public function handleText(&$token) { $text = $token->data; // Does the current parent allow

tags? if ($this->allowsElement('p')) { if (empty($this->currentNesting) || strpos($text, "\n\n") !== false) { // Note that we have differing behavior when dealing with text // in the anonymous root node, or a node inside the document. // If the text as a double-newline, the treatment is the same; // if it doesn't, see the next if-block if you're in the document. $i = $nesting = null; if (!$this->forwardUntilEndToken($i, $current, $nesting) && $token->is_whitespace) { // State 1.1: ... ^ (whitespace, then document end) // ---- // This is a degenerate case } else { if (!$token->is_whitespace || $this->_isInline($current)) { // State 1.2: PAR1 // ---- // State 1.3: PAR1\n\nPAR2 // ------------ // State 1.4:

PAR1\n\nPAR2 (see State 2) // ------------ $token = array($this->_pStart()); $this->_splitText($text, $token); } else { // State 1.5: \n
// -- } } } else { // State 2:
PAR1... (similar to 1.4) // ---- // We're in an element that allows paragraph tags, but we're not // sure if we're going to need them. if ($this->_pLookAhead()) { // State 2.1:
PAR1PAR1\n\nPAR2 // ---- // Note: This will always be the first child, since any // previous inline element would have triggered this very // same routine, and found the double newline. One possible // exception would be a comment. $token = array($this->_pStart(), $token); } else { // State 2.2.1:
PAR1
// ---- // State 2.2.2:
PAR1PAR1
// ---- } } // Is the current parent a

tag? } elseif (!empty($this->currentNesting) && $this->currentNesting[count($this->currentNesting) - 1]->name == 'p') { // State 3.1: ...

PAR1 // ---- // State 3.2: ...

PAR1\n\nPAR2 // ------------ $token = array(); $this->_splitText($text, $token); // Abort! } else { // State 4.1: ...PAR1 // ---- // State 4.2: ...PAR1\n\nPAR2 // ------------ } } /** * @param HTMLPurifier_Token $token */ public function handleElement(&$token) { // We don't have to check if we're already in a

tag for block // tokens, because the tag would have been autoclosed by MakeWellFormed. if ($this->allowsElement('p')) { if (!empty($this->currentNesting)) { if ($this->_isInline($token)) { // State 1:

... // --- // Check if this token is adjacent to the parent token // (seek backwards until token isn't whitespace) $i = null; $this->backward($i, $prev); if (!$prev instanceof HTMLPurifier_Token_Start) { // Token wasn't adjacent if ($prev instanceof HTMLPurifier_Token_Text && substr($prev->data, -2) === "\n\n" ) { // State 1.1.4:

PAR1

\n\n // --- // Quite frankly, this should be handled by splitText $token = array($this->_pStart(), $token); } else { // State 1.1.1:

PAR1

// --- // State 1.1.2:

// --- // State 1.1.3:
PAR // --- } } else { // State 1.2.1:
// --- // Lookahead to see if

is needed. if ($this->_pLookAhead()) { // State 1.3.1:

PAR1\n\nPAR2 // --- $token = array($this->_pStart(), $token); } else { // State 1.3.2:
PAR1
// --- // State 1.3.3:
PAR1
\n\n
// --- } } } else { // State 2.3: ...
// ----- } } else { if ($this->_isInline($token)) { // State 3.1: // --- // This is where the {p} tag is inserted, not reflected in // inputTokens yet, however. $token = array($this->_pStart(), $token); } else { // State 3.2:
// ----- } $i = null; if ($this->backward($i, $prev)) { if (!$prev instanceof HTMLPurifier_Token_Text) { // State 3.1.1: ...

{p} // --- // State 3.2.1: ...

// ----- if (!is_array($token)) { $token = array($token); } array_unshift($token, new HTMLPurifier_Token_Text("\n\n")); } else { // State 3.1.2: ...

\n\n{p} // --- // State 3.2.2: ...

\n\n
// ----- // Note: PAR cannot occur because PAR would have been // wrapped in

tags. } } } } else { // State 2.2: