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: /mnt/lmsestudio-instance-vol002/lms_698bf930e912/vendor/guzzlehttp/psr7/src/ [ drwxr-xr-x ]
name : InflateStream.php <?php namespace GuzzleHttp\Psr7; use Psr\Http\Message\StreamInterface; /** * Uses PHP's zlib.inflate filter to inflate deflate or gzipped content. * * This stream decorator skips the first 10 bytes of the given stream to remove * the gzip header, converts the provided stream to a PHP stream resource, * then appends the zlib.inflate filter. The stream is then converted back * to a Guzzle stream resource to be used as a Guzzle stream. * * @link http://tools.ietf.org/html/rfc1952 * @link http://php.net/manual/en/filters.compression.php */ class InflateStream implements StreamInterface { use StreamDecoratorTrait; public function __construct(StreamInterface $stream) { // read the first 10 bytes, ie. gzip header $header = $stream->read(10); $filenameHeaderLength = $this->getLengthOfPossibleFilenameHeader($stream, $header); // Skip the header, that is 10 + length of filename + 1 (nil) bytes $stream = new LimitStream($stream, -1, 10 + $filenameHeaderLength); $resource = StreamWrapper::getResource($stream); stream_filter_append($resource, 'zlib.inflate', STREAM_FILTER_READ); $this->stream = $stream->isSeekable() ? new Stream($resource) : new NoSeekStream(new Stream($resource)); } /** * @param StreamInterface $stream * @param $header * @return int */ private function getLengthOfPossibleFilenameHeader(StreamInterface $stream, $header) { $filename_header_length = 0; if (substr(bin2hex($header), 6, 2) === '08') { // we have a filename, read until nil $filename_header_length = 1; while ($stream->read(1) !== chr(0)) { $filename_header_length++; } } return $filename_header_length; } }