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-rw-r--r--bin/reevotech/vendor/guzzlehttp/psr7/src/InflateStream.php52
1 files changed, 52 insertions, 0 deletions
diff --git a/bin/reevotech/vendor/guzzlehttp/psr7/src/InflateStream.php b/bin/reevotech/vendor/guzzlehttp/psr7/src/InflateStream.php
new file mode 100644
index 00000000..5e4f6028
--- /dev/null
+++ b/bin/reevotech/vendor/guzzlehttp/psr7/src/InflateStream.php
@@ -0,0 +1,52 @@
+<?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;
+ }
+}