1 files changed, 56 insertions, 0 deletions

diff --git a/vendor/guzzlehttp/psr7/src/InflateStream.php b/vendor/guzzlehttp/psr7/src/InflateStream.php
new file mode 100644
index 0000000..2066f9d
--- /dev/null
+++ b/vendor/guzzlehttp/psr7/src/InflateStream.php
@@ -0,0 +1,56 @@
+<?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

+ *

+ * @final

+ */

+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;

+    }

+}