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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 Psr\Log\LogLevel; |
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use ZBateson\MailMimeParser\Message\PartHeaderContainer; |
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/** |
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* Reads headers from an input stream, adding them to a PartHeaderContainer. |
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* |
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* @author Zaahid Bateson |
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*/ |
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class HeaderParserService |
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{ |
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/** |
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* Ensures the header isn't empty and contains a colon separator character, |
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* then splits it and adds it to the passed PartHeaderContainer. |
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* |
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* @param int $offset read offset for error reporting |
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* @param string $header the header line |
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* @param PartHeaderContainer $headerContainer the container |
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*/ |
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116 |
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private function addRawHeaderToPart(int $offset, string $header, PartHeaderContainer $headerContainer) : static |
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{ |
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116 |
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if ($header !== '') { |
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115 |
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if (\strpos($header, ':') !== false) { |
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$a = \explode(':', $header, 2); |
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$headerContainer->add($a[0], \trim($a[1])); |
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} else { |
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$headerContainer->addError( |
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"Invalid header found at offset: $offset", |
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LogLevel::ERROR |
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); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Reads header lines up to an empty line, adding them to the passed |
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* PartHeaderContainer. |
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* |
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* @param resource $handle The resource handle to read from. |
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* @param PartHeaderContainer $container the container to add headers to. |
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*/ |
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public function parse($handle, PartHeaderContainer $container) : static |
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{ |
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$header = ''; |
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do { |
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$offset = \ftell($handle); |
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$line = MessageParserService::readLine($handle); |
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if ($line === false || $line === '' || $line[0] !== "\t" && $line[0] !== ' ') { |
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$this->addRawHeaderToPart($offset, $header, $container); |
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$header = ''; |
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} else { |
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$line = "\r\n" . $line; |
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} |
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$header .= \rtrim($line, "\r\n"); |
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} while ($header !== ''); |
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return $this; |
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} |
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} |
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zbateson /
mail-mime-parser
