Maj Library

1 files changed, 25 insertions, 2 deletions

diff --git a/server/vendor/guzzlehttp/psr7/src/InflateStream.php b/server/vendor/guzzlehttp/psr7/src/InflateStream.php
index 2c8628b..0051d3f 100644
--- a/server/vendor/guzzlehttp/psr7/src/InflateStream.php
+++ b/server/vendor/guzzlehttp/psr7/src/InflateStream.php
@@ -20,10 +20,33 @@ class InflateStream implements StreamInterface
 
     public function __construct(StreamInterface $stream)
     {
-        // Skip the first 10 bytes
-        $stream = new LimitStream($stream, -1, 10);
+        // 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);
         $this->stream = new Stream($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;
+    }
 }