MAJ Librarys

This commit is contained in:
EoleDev 2016-03-09 16:03:46 +01:00
parent 1d3ed3af6d
commit 03ef74d0cf
17 changed files with 347 additions and 194 deletions

View file

@ -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;
}
}