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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; |
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use ZBateson\MailMimeParser\Message\PartHeaderContainer; |
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use ZBateson\MailMimeParser\Message\Factory\PartHeaderContainerFactory; |
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use ZBateson\MailMimeParser\Parser\PartBuilder; |
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use ZBateson\MailMimeParser\Parser\Proxy\ParserMimePartProxy; |
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use ZBateson\MailMimeParser\Parser\Proxy\ParserMimePartFactory; |
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use ZBateson\MailMimeParser\Parser\Proxy\ParserPartProxy; |
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/** |
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* Reads the content of a mime part. |
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* |
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* @author Zaahid Bateson |
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*/ |
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class MimeParser implements IParser |
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{ |
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/** |
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* @var PartHeaderContainerFactory |
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*/ |
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protected $partHeaderContainerFactory; |
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/** |
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* @var PartBuilderFactory |
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*/ |
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protected $partBuilderFactory; |
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/** |
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* @var HeaderParser |
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*/ |
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protected $headerParser; |
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/** |
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* @var ParsedMimePartFactory for ParsedMimePart objects |
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*/ |
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protected $parserMimePartFactory; |
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/** |
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* @var int maintains the character length of the last line separator, |
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* typically 2 for CRLF, to keep track of the correct 'end' position |
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* for a part because the CRLF before a boundary is considered part of |
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* the boundary. |
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*/ |
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protected $lastLineSeparatorLength = 0; |
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public function __construct( |
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PartBuilderFactory $pbf, |
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PartHeaderContainerFactory $phcf, |
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HeaderParser $hp, |
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ParserMimePartFactory $pmpf, |
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IParserFactory $ipf |
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) { |
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$this->partBuilderFactory = $pbf; |
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$this->partHeaderContainerFactory = $phcf; |
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$this->headerParser = $hp; |
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$this->parserMimePartFactory = $pmpf; |
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$this->parserMimePartFactory->setParserFactory($ipf); |
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} |
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/** |
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* Reads a line of 2048 characters. If the line is larger than that, the |
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* remaining characters in the line are read and discarded, and only the |
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* first part is returned. |
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* |
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* This method is identical to readLine, except it calculates the number of |
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* characters that make up the line's new line characters (e.g. 2 for "\r\n" |
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* or 1 for "\n") and stores it in $this->lastLineSeparatorLength. |
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* |
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* @param resource $handle |
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* @return string |
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*/ |
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private function readBoundaryLine($handle) |
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{ |
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$size = 2048; |
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$isCut = false; |
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$line = fgets($handle, $size); |
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while (strlen($line) === $size - 1 && substr($line, -1) !== "\n") { |
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$line = fgets($handle, $size); |
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$isCut = true; |
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} |
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$ret = rtrim($line, "\r\n"); |
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$this->lastLineSeparatorLength = strlen($line) - strlen($ret); |
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return ($isCut) ? '' : $ret; |
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} |
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/** |
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* Reads lines from the passed $handle, calling |
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* $partBuilder->setEndBoundaryFound with the passed line until it returns |
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* true or the stream is at EOF. |
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* |
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* setEndBoundaryFound returns true if the passed line matches a boundary |
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* for the $partBuilder itself or any of its parents. |
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* |
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* Once a boundary is found, setStreamPartAndContentEndPos is called with |
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* the passed $handle's read pos before the boundary and its line separator |
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* were read. |
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* |
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* @param PartBuilder $partBuilder |
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*/ |
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private function findContentBoundary(ParserMimePartProxy $proxy, PartBuilder $partBuilder) |
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{ |
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$handle = $partBuilder->getMessageResourceHandle(); |
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// last separator before a boundary belongs to the boundary, and is not |
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// part of the current part |
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$start = ftell($handle); |
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while (!feof($handle)) { |
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$endPos = ftell($handle) - $this->lastLineSeparatorLength; |
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$line = $this->readBoundaryLine($handle); |
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if (substr($line, 0, 2) === '--' && $proxy->setEndBoundaryFound($line)) { |
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$partBuilder->setStreamPartAndContentEndPos($endPos); |
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return; |
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} |
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} |
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$partBuilder->setStreamPartAndContentEndPos(ftell($handle)); |
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$proxy->setEof(); |
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} |
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public function parseContent(ParserPartProxy $proxy) |
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{ |
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$pb = $proxy->getPartBuilder(); |
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$pb->setStreamContentStartPos($pb->getMessageResourceHandlePos()); |
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$this->findContentBoundary($proxy, $pb); |
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} |
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/** |
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* Checks if the new child part is just content past the end boundary |
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* |
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* @param ParserProxy $proxy |
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* @param PartBuilder $parent |
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* @param PartBuilder $child |
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*/ |
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private function createPart(ParserMimePartProxy $parentProxy, PartBuilder $child) |
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{ |
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$headerContainer = $this->partHeaderContainerFactory->newInstance(); |
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if (!$parentProxy->isEndBoundaryFound()) { |
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$this->headerParser->parse($child, $headerContainer); |
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return $this->parserMimePartFactory->newInstance($child, $headerContainer, $parentProxy); |
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} else { |
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// reads content past an end boundary if there is any |
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$parserProxy = $this->parserMimePartFactory->newParserMimePartProxy($child, $headerContainer, $parentProxy); |
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$this->parseContent($parserProxy); |
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return null; |
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} |
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} |
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/** |
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* Returns true if there are more parts |
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* |
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* @param PartBuilder $partBuilder |
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* @return IMimePart |
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*/ |
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public function parseNextChild(ParserMimePartProxy $proxy) |
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{ |
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if ($proxy->isParentBoundaryFound()) { |
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return null; |
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} |
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$child = $this->partBuilderFactory->newChildPartBuilder($proxy->getPartBuilder()); |
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return $this->createPart($proxy, $child); |
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} |
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} |
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zbateson /
mail-mime-parser
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The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths