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<?php |
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/** |
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* This file is part of the ZBateson\MailMimeParser project. |
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* |
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* @license http://opensource.org/licenses/bsd-license.php BSD |
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*/ |
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namespace ZBateson\MailMimeParser\Parser\Proxy; |
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use ZBateson\MailMimeParser\Message\PartHeaderContainer; |
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use ZBateson\MailMimeParser\Message\IMessagePart; |
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use ZBateson\MailMimeParser\Parser\IParser; |
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use ZBateson\MailMimeParser\Parser\PartBuilder; |
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use ZBateson\MailMimeParser\Parser\Part\ParsedPartChildrenContainer; |
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/** |
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* Description of MimePartProxy |
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* |
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* @author Zaahid Bateson |
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*/ |
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class ParserMimePartProxy extends ParserPartProxy |
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{ |
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/** |
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* @var PartHeaderContainer |
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*/ |
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protected $headerContainer; |
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/** |
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* @var boolean set to true once the end boundary of the currently-parsed |
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* part is found. |
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*/ |
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protected $endBoundaryFound = false; |
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/** |
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* @var boolean set to true once a boundary belonging to this parent's part |
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* is found. |
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*/ |
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protected $parentBoundaryFound = false; |
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/** |
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* @var boolean|null|string FALSE if not queried for in the content-type |
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* header of this part, NULL if the current part does not have a |
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* boundary, and otherwise contains the value of the boundary parameter |
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* of the content-type header if the part contains one. |
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*/ |
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protected $mimeBoundary = false; |
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protected $lastAddedChild = null; |
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protected $parsedPartChildrenContainer = null; |
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public function __construct( |
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PartHeaderContainer $headerContainer, |
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PartBuilder $partBuilder, |
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IParser $parser, |
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ParserPartProxy $parent = null |
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) { |
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parent::__construct($partBuilder, $parser, $parent); |
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$this->headerContainer = $headerContainer; |
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} |
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public function setParsedPartChildrenContainer(ParsedPartChildrenContainer $parsedPartChildrenContainer) |
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{ |
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$this->parsedPartChildrenContainer = $parsedPartChildrenContainer; |
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} |
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protected function ensureLastChildRead() |
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{ |
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if ($this->lastAddedChild !== null) { |
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$this->lastAddedChild->parseAll(); |
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} |
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} |
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public function parseNextChild() |
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{ |
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$this->ensureLastChildRead(); |
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$this->parseContent(); |
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return $this->parser->parseNextChild($this); |
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} |
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public function parseAll() |
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{ |
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$this->parseContent(); |
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$child = null; |
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do { |
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$child = $this->parseNextChild(); |
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} while ($child !== null); |
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} |
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public function addChild(ParserPartProxy $child) |
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{ |
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$this->parsedPartChildrenContainer->add($child->getPart()); |
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$this->lastAddedChild = $child; |
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} |
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public function getHeaderContainer() |
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{ |
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return $this->headerContainer; |
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} |
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/** |
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* Returns a ParameterHeader representing the parsed Content-Type header for |
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* this PartBuilder. |
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* |
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* @return \ZBateson\MailMimeParser\Header\ParameterHeader |
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*/ |
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public function getContentType() |
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{ |
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return $this->headerContainer->get('Content-Type'); |
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} |
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/** |
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* Returns the parsed boundary parameter of the Content-Type header if set |
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* for a multipart message part. |
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* |
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* @return string |
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*/ |
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public function getMimeBoundary() |
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{ |
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if ($this->mimeBoundary === false) { |
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$this->mimeBoundary = null; |
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$contentType = $this->getContentType(); |
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if ($contentType !== null) { |
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$this->mimeBoundary = $contentType->getValueFor('boundary'); |
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} |
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} |
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return $this->mimeBoundary; |
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} |
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/** |
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* Returns true if this part's content-type is multipart/* |
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* |
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* @return boolean |
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*/ |
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public function isMultiPart() |
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{ |
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$contentType = $this->getContentType(); |
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if ($contentType !== null) { |
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// casting to bool, preg_match returns 1 for true |
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return (bool) (preg_match( |
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'~multipart/.*~i', |
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$contentType->getValue() |
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)); |
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} |
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return false; |
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} |
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/** |
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* Returns true if the passed $line of read input matches this PartBuilder's |
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* mime boundary, or any of its parent's mime boundaries for a multipart |
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* message. |
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* |
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* If the passed $line is the ending boundary for the current PartBuilder, |
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* $this->isEndBoundaryFound will return true after. |
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* |
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* @param string $line |
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* @return boolean |
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*/ |
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public function setEndBoundaryFound($line) |
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{ |
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$boundary = $this->getMimeBoundary(); |
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if ($this->parent !== null && $this->parent->setEndBoundaryFound($line)) { |
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$this->parentBoundaryFound = true; |
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return true; |
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} elseif ($boundary !== null) { |
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if ($line === "--$boundary--") { |
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$this->endBoundaryFound = true; |
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return true; |
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} elseif ($line === "--$boundary") { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Returns true if MessageParser passed an input line to setEndBoundary that |
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* matches a parent's mime boundary, and the following input belongs to a |
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* new part under its parent. |
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* |
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* @return boolean |
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*/ |
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public function isParentBoundaryFound() |
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{ |
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return ($this->parentBoundaryFound); |
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} |
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/** |
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* |
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* @return type |
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*/ |
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public function isEndBoundaryFound() |
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{ |
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return ($this->endBoundaryFound); |
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} |
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/** |
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* Called once EOF is reached while reading content. The method sets the |
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* flag used by PartBuilder::isParentBoundaryFound to true on this part and |
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* all parent PartBuilders. |
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*/ |
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public function setEof() |
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{ |
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$this->parentBoundaryFound = true; |
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if ($this->parent !== null) { |
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$this->parent->parentBoundaryFound = true; |
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} |
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} |
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} |
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