← All changes | vendor_prefixed/guzzlehttp/psr7/src/InflateStream.php +0 -51 18.2 → trunk View file →

		@@ -1,51 +1,0 @@
1		-<?php
2		-
3		-namespace YoastSEO_Vendor\GuzzleHttp\Psr7;
4		-
5		-use YoastSEO_Vendor\Psr\Http\Message\StreamInterface;
6		-/**
7		- * Uses PHP's zlib.inflate filter to inflate deflate or gzipped content.
8		- *
9		- * This stream decorator skips the first 10 bytes of the given stream to remove
10		- * the gzip header, converts the provided stream to a PHP stream resource,
11		- * then appends the zlib.inflate filter. The stream is then converted back
12		- * to a Guzzle stream resource to be used as a Guzzle stream.
13		- *
14		- * @link http://tools.ietf.org/html/rfc1952
15		- * @link http://php.net/manual/en/filters.compression.php
16		- *
17		- * @final
18		- */
19		-class InflateStream implements \YoastSEO_Vendor\Psr\Http\Message\StreamInterface
20		-{
21		- use StreamDecoratorTrait;
22		- public function __construct(\YoastSEO_Vendor\Psr\Http\Message\StreamInterface $stream)
23		- {
24		- // read the first 10 bytes, ie. gzip header
25		- $header = $stream->read(10);
26		- $filenameHeaderLength = $this->getLengthOfPossibleFilenameHeader($stream, $header);
27		- // Skip the header, that is 10 + length of filename + 1 (nil) bytes
28		- $stream = new \YoastSEO_Vendor\GuzzleHttp\Psr7\LimitStream($stream, -1, 10 + $filenameHeaderLength);
29		- $resource = \YoastSEO_Vendor\GuzzleHttp\Psr7\StreamWrapper::getResource($stream);
30		- \stream_filter_append($resource, 'zlib.inflate', \STREAM_FILTER_READ);
31		- $this->stream = $stream->isSeekable() ? new \YoastSEO_Vendor\GuzzleHttp\Psr7\Stream($resource) : new \YoastSEO_Vendor\GuzzleHttp\Psr7\NoSeekStream(new \YoastSEO_Vendor\GuzzleHttp\Psr7\Stream($resource));
32		- }
33		- /**
34		- * @param StreamInterface $stream
35		- * @param $header
36		- *
37		- * @return int
38		- */
39		- private function getLengthOfPossibleFilenameHeader(\YoastSEO_Vendor\Psr\Http\Message\StreamInterface $stream, $header)
40		- {
41		- $filename_header_length = 0;
42		- if (\substr(\bin2hex($header), 6, 2) === '08') {
43		- // we have a filename, read until nil
44		- $filename_header_length = 1;
45		- while ($stream->read(1) !== \chr(0)) {
46		- $filename_header_length++;
47		- }
48		- }
49		- return $filename_header_length;
50		- }
51		-}