Last modified: 2010-05-15 15:48:23 UTC

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Bug 8791 - PNG images cannot be uploaded


Summary:	PNG images cannot be uploaded

Status:	RESOLVED WORKSFORME

Product:	MediaWiki
Classification:	Unclassified
Component:	Uploading (Other open bugs)
Version:	1.9.x
Hardware:	PC Linux

Importance:	Normal normal (vote)
Target Milestone:	---
Assigned To:	Nobody - You can work on this!

URL:
Whiteboard:
Keywords:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2007-01-26 22:59 UTC by jeremybuchmann
Modified:	2010-05-15 15:48 UTC (History)
CC List:	0 users

See Also:
Web browser:	---
Mobile Platform:	---
Assignee Huggle Beta Tester:	---

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Description jeremybuchmann 2007-01-26 22:59:31 UTC

PNG images are prevented from being uploaded.  Other image formats work fine. 
The error message is:

Upload warning
The file is corrupt or has an incorrect extension. Please check the file and
upload again.


My $wgFileExtensions looks like:

$wgFileExtensions = array('jpg','png','jpeg','gif','ogg','doc','xls','ppt','mp3'
,'odt','ods','pdf');


The problem seems to stem from the following line in the verify() function in
includes/SpecialUpload.php:

$mime= $magic->guessMimeType($tmpfile,false);

$mime comes back as "text/plain" which doesn't match the extension "png".

Comment 1 jeremybuchmann 2007-01-26 23:00:18 UTC

I should add that this is on Fedora Core 6.

Comment 2 Daniel Kinzler 2007-01-26 23:03:39 UTC

Please read the FAQ before filing bug reports - see
http://www.mediawiki.org/wiki/FAQ#.22File_is_corrupt_or_has_an_invalid_extension.22

The cause is mostly likely a misconfigured php module.

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