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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\Stream; |
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use GuzzleHttp\Psr7\CachingStream; |
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use Psr\Http\Message\StreamInterface; |
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use ZBateson\StreamDecorators\SeekingLimitStream; |
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use ZBateson\StreamDecorators\Base64Stream; |
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use ZBateson\StreamDecorators\QuotedPrintableStream; |
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use ZBateson\StreamDecorators\UUStream; |
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use ZBateson\StreamDecorators\CharsetStream; |
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use ZBateson\StreamDecorators\NonClosingStream; |
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use ZBateson\StreamDecorators\PregReplaceFilterStream; |
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use ZBateson\MailMimeParser\Message\Part\PartBuilder; |
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/** |
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* Factory class for Psr7 stream decorators used in MailMimeParser. |
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* |
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* @author Zaahid Bateson |
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*/ |
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class StreamDecoratorFactory |
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{ |
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public function getLimitedPartStream(StreamInterface $stream, PartBuilder $part) |
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{ |
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return $this->newLimitStream( |
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$stream, |
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$part->getStreamPartLength(), |
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$part->getStreamPartStartOffset() |
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); |
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} |
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public function getLimitedContentStream(StreamInterface $stream, PartBuilder $part) |
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{ |
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$length = $part->getStreamContentLength(); |
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if ($length !== 0) { |
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return $this->newLimitStream( |
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$stream, |
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$part->getStreamContentLength(), |
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$part->getStreamContentStartOffset() |
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); |
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} |
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return null; |
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} |
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private function newLimitStream(StreamInterface $stream, $length, $start) |
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{ |
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return new SeekingLimitStream(new NonClosingStream($stream), $length, $start); |
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} |
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public function newBase64Stream(StreamInterface $stream) |
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{ |
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return new CachingStream( |
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new Base64Stream( |
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new PregReplaceFilterStream($stream, '/[^a-zA-Z0-9\/\+=]/', '') |
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) |
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); |
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} |
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public function newQuotedPrintableStream(StreamInterface $stream) |
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{ |
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return new CachingStream(new QuotedPrintableStream($stream)); |
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} |
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public function newUUStream(StreamInterface $stream) |
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{ |
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return new CachingStream(new UUStream($stream)); |
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} |
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public function newCharsetStream(StreamInterface $stream, $fromCharset, $toCharset) |
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{ |
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return new CachingStream(new CharsetStream($stream, $fromCharset, $toCharset)); |
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} |
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} |
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