mirrors/htmlpurifier
0
0
Fork 0
mirror of https://github.com/ezyang/htmlpurifier.git synced 2025-03-15 19:07:05 +00:00
Code Releases Activity

avoid exif_imagetype exception with small files/corrupt data URI

Browse Source
This commit is contained in:
Bart Butler 2016-07-12 17:23:12 -07:00
parent 0166c3728b
commit c5f8c28780
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
library/HTMLPurifier/URIScheme/data.php
View File

@ -79,6 +79,11 @@ class HTMLPurifier_URIScheme_data extends HTMLPurifier_URIScheme
} else {
$raw_data = $data;
}
if ( strlen($raw_data) < 12 ) {
// error; exif_imagetype throws exception with small files,
// and this likely indicates a corrupt URI/failed parse anyway
return false;
}
// XXX probably want to refactor this into a general mechanism
// for filtering arbitrary content types
if (function_exists('sys_get_temp_dir')) {