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-rw-r--r--server/vendor/guzzlehttp/psr7/src/InflateStream.php27
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;
+ }
}