Last modified: 2010-05-15 15:40:40 UTC

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Bug 6822 - Article::getOldIDFromRequest fails to consider mTitle vs wgTitle
Article::getOldIDFromRequest fails to consider mTitle vs wgTitle
Status: RESOLVED INVALID
Product: MediaWiki
Classification: Unclassified
General/Unknown (Other open bugs)
1.7.x
Macintosh Mac OS X 10.0
: Normal minor (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2006-07-26 15:34 UTC by Travis D
Modified: 2010-05-15 15:40 UTC (History)
0 users

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


Attachments

Description Travis D 2006-07-26 15:34:09 UTC
This function pulls out oldid from the wgRequest but fails to consider whether
or not the currrent article is actually the article being referenced in the
request, so in the case where  article->mTitle is different than $wgTitle, this
always loads the article specified by oldid. This doesn't really affect
wikipedia, but in other sites that have modifications that load articles
internally, any functionality that does a article->getContent() will be broken
if there's an oldid in the URL. I think a simple solution would be just to check
if the current article's title is actually the global title:

        global $wgRequest, $wgTitle;

        $this->mRedirectUrl = false;

        if (! ($wgTitle->getNamespace() == $this->mTitle->getNamespace() &&
               $wgTitle->getText() == $this->mTitle->getText() ) )
            return 0;
Comment 1 Brion Vibber 2006-07-26 20:42:13 UTC
If you specify an oldid, it's supposed to load that page. This 
allows permalinks to be made.

Not a bug.
Comment 2 Travis D 2006-07-26 20:45:05 UTC
Right, if you are only loading the article that has been requested.

But if your code loads ANOTHER article internally (say to populate a drop down
menu), if there's an oldid in the URL, it gets the article that's requested in
the URL, which isn't good. Like I said, this is fine for Wikipedia, but if
anyone is extending the functionality of Mediawiki, it's really problematic.
Comment 3 Brion Vibber 2006-07-26 20:46:30 UTC
No, that's how MediaWiki is meant to work. If your extension 
relies on $_REQUEST['title'] it is incorrect and will fail.
Comment 4 Travis D 2006-07-26 20:53:24 UTC
I'm not sure what you mean. 

My extension doesn't rely on what's in $_REQUEST['title']. We have  feature that
allows users to categorize articles through a drop down menu, these categories
are defined by the contents of an article, Project:Categories. This allows
admins to maintain the categories without coding changes. 

To populate the drop down menu, we fetch Article->getContent(). When editing an
out of date article, say for an article titled "Fry Fish", and populating the
drop down:

                $t = Title::newFromDBKey("Category");
                $a = new Article($t);
                $cats = $a->getContent();

returns the content of "Fry Fish" version from the oldid 19203, despite
a->mTitle being for the title "Category". 


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