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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\Header\Part; |
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use Psr\Log\LoggerInterface; |
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use ZBateson\MbWrapper\MbWrapper; |
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/** |
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* Holds a running value for an RFC-2231 split header parameter. |
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* |
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* ParameterConsumer creates SplitParameterTokens when a split header parameter |
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* is first found, and adds subsequent split parts to an already created one if |
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* the parameter name matches. |
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* |
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* @author Zaahid Bateson |
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*/ |
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class SplitParameterPart extends ParameterPart |
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{ |
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/** |
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* @var HeaderPartFactory used to create combined MimeToken parts. |
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*/ |
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protected HeaderPartFactory $partFactory; |
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/** |
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* Initializes a SplitParameterToken. |
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* |
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* @param ParameterPart[] $children |
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*/ |
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public function __construct( |
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LoggerInterface $logger, |
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MbWrapper $charsetConverter, |
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HeaderPartFactory $headerPartFactory, |
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array $children |
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) { |
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$this->partFactory = $headerPartFactory; |
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NameValuePart::__construct($logger, $charsetConverter, [$children[0]], $children); |
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$this->children = $children; |
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} |
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protected function getNameFromParts(array $parts) : string |
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{ |
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return $parts[0]->getName(); |
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} |
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private function getMimeTokens(string $value) : array |
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{ |
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$pattern = MimeToken::MIME_PART_PATTERN; |
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// remove whitespace between two adjacent mime encoded parts |
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$normed = \preg_replace("/($pattern)\\s+(?=$pattern)/", '$1', $value); |
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// with PREG_SPLIT_DELIM_CAPTURE, matched and unmatched parts are returned |
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$aMimeParts = \preg_split("/($pattern)/", $normed, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY); |
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return \array_map( |
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fn ($p) => (\preg_match("/$pattern/", $p)) ? $this->partFactory->newMimeToken($p) : $this->partFactory->newToken($p, true, true), |
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$aMimeParts |
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); |
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} |
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private function combineAdjacentUnencodedParts(array $parts) : array |
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{ |
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$runningValue = ''; |
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$returnedParts = []; |
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foreach ($parts as $part) { |
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if (!$part->encoded) { |
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$runningValue .= $part->value; |
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continue; |
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} |
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if (!empty($runningValue)) { |
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$returnedParts = \array_merge($returnedParts, $this->getMimeTokens($runningValue)); |
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$runningValue = ''; |
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} |
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$returnedParts[] = $part; |
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} |
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if (!empty($runningValue)) { |
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$returnedParts = \array_merge($returnedParts, $this->getMimeTokens($runningValue)); |
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} |
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return $returnedParts; |
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} |
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protected function getValueFromParts(array $parts) : string |
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{ |
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$sorted = $parts; |
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\usort($sorted, fn ($a, $b) => $a->index <=> $b->index); |
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$first = $sorted[0]; |
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$this->language = $first->language; |
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$charset = $this->charset = $first->charset; |
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$combined = $this->combineAdjacentUnencodedParts($sorted); |
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return \implode(\array_map( |
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fn ($p) => ($p instanceof ParameterPart && $p->encoded) |
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? $this->decodePartValue($p->getValue(), ($p->charset === null) ? $charset : $p->charset) |
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: $p->getValue(), |
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$combined |
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)); |
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} |
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} |
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zbateson /
mail-mime-parser
