https://bugzilla.wikimedia.org/show_bug.cgi?id=71954
Bug ID: 71954
Summary: PDF with OpenDocument embedded causes bad-zip
Product: MediaWiki
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: Unprioritized
Component: Uploading
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected]
Web browser: ---
Mobile Platform: ---
Created attachment 16748
--> https://bugzilla.wikimedia.org/attachment.cgi?id=16748&action=edit
PDF with embedded OpenDocument
Uploading a PDF which has an OpenDocument embedded, a feature of LibreOffice
(see attached), results in error:
The file is a corrupt or otherwise unreadable ZIP file. It cannot be properly
checked for security. (error code bad-zip)
$ file test-embedded-opendocument.pdf
test-embedded-opendocument.pdf: PDF document, version 1.4
$ unzip test-embedded-opendocument.pdf
Archive: test-embedded-opendocument.pdf
warning [test-embedded-opendocument.pdf]: 481 extra bytes at beginning or
within zipfile
(attempting to process anyway)
extracting: mimetype
extracting: Thumbnails/thumbnail.png
inflating: styles.xml
inflating: content.xml
inflating: meta.xml
inflating: settings.xml
inflating: manifest.rdf
inflating: Configurations2/accelerator/current.xml
creating: Configurations2/progressbar/
creating: Configurations2/statusbar/
creating: Configurations2/images/Bitmaps/
creating: Configurations2/floater/
creating: Configurations2/toolbar/
creating: Configurations2/popupmenu/
creating: Configurations2/toolpanel/
creating: Configurations2/menubar/
inflating: META-INF/manifest.xml
It would be reasonable to detect this as a ZIP or an OpenDocument instead of a
PDF, and only allow upload if the mime type if permitted (which it isnt, on WMF
projects at least due to bug 2089), but it should have a nice informative error
message as this is a file type we'll seeing an increasing number of, and it is
readable as a PDF in all programs I've tried it on.
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