openrat-cms

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commit 675aa79da6435e666b5fa50ce9cd7dd2cf21622e
parent 727e374bb141274b4217195c1d1e05f27b1e702a
Author: dankert <devnull@localhost>
Date:   Sat,  6 Feb 2010 03:08:01 +0100

Abfragen auf korrekten Gzip-Header

Diffstat:
actionClasses/FileAction.class.php | 9+++++++++
1 file changed, 9 insertions(+), 0 deletions(-)

diff --git a/actionClasses/FileAction.class.php b/actionClasses/FileAction.class.php @@ -408,6 +408,15 @@ class FileAction extends ObjectAction case 'gz': if ( $this->getRequestVar('replace') ) { + if ( strcmp(substr($this->file->loadValue(),0,2),"\x1f\x8b")) + { + Http::serverError("Not GZIP format (See RFC 1952)"); + } + $method = ord(substr($this->file->loadValue(),2,1)); + if ( $method != 8 ) + { + Http::serverError("Unknown GZIP method: $method"); + } $this->file->value = gzinflate( substr($this->file->loadValue(),10)); $this->file->parse_filename( $this->file->filename ); $this->file->save();