https://bugzilla.wikimedia.org/show_bug.cgi?id=44066
Web browser: ---
Bug ID: 44066
Summary: Files cannot be uploaded when the database name
contains certain characters.
Product: MediaWiki
Version: 1.19.1
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Unprioritized
Component: Uploading
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected],
[email protected]
Classification: Unclassified
Mobile Platform: ---
This problem took me a LONG time debugging using var_dump to get to the bottom
of, but here goes..
My database backend (pgsql) allows database names containing . and case
sensitivity, and so I have gotten in the habit of naming my databases sensibly;
using a form such as "www.example.com-WikiDB".
Unfortunately doing something like this leaves it impossible to upload files,
despite the upload directory being writeable by the web-server. A very obscure
error message ("Could not create directory
"mwstore://local-backend/local-public/(etc)") is shown.
I traced the "fault" to a regular expression match in the function
isValidContainerName() in mediawiki/includes/filerepo/backend/FileBackend.php.
Modifying the regular expression so it allowed uppercase and the dot character
fixed my problem, but I don't know whether this'd have implications. I changed
the part inside [] to be [a-zA-Z0-9][a-zA-Z0-9-_.] (rest of regex left
unchanged).
I recommend someone consider the reason for certain characters (uppercase,
period - possibly others) which are valid in database names being invalid in
this regexp, and update if considered and found appropriate.
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