Last modified: 2013-09-04 05:18:00 UTC

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Bug 3507 - Invalid usernames on Wikimedia web sites
Invalid usernames on Wikimedia web sites
Status: REOPENED
Product: Wikimedia
Classification: Unclassified
General/Unknown (Other open bugs)
unspecified
Other Linux
: Low normal with 3 votes (vote)
: ---
Assigned To: Nobody - You can work on this!
: shell
: 3501 5230 (view as bug list)
Depends on:
Blocks: 323 16660 29757
  Show dependency treegraph
 
Reported: 2005-09-19 13:43 UTC by Ævar Arnfjörð Bjarmason
Modified: 2013-09-04 05:18 UTC (History)
9 users (show)

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


Attachments
Output of checkUsername (164.20 KB, application/octet-stream)
2013-05-17 18:37 UTC, Sam Reed (reedy)
Details

Description Ævar Arnfjörð Bjarmason 2005-09-19 13:43:03 UTC
Some of the usernames that currently exist would not be accepted by the current
system if registed today, this includes:

* Usernames with the letter "/" in them
* Usernames that start with a lower case letter

I've made a list of these usernames using maintenance/checkUsernames.php and put
the log in /home/wikipedia/logs/checkUsernames.log (linked in the url to this bug)

These should Ideally be changed by local beaurocrats of these wikis using the
Special:Renameuser extension which as of 2005-09-19 needs to be modified to
accept invalid input to be useful for this.
Comment 1 Casey Brown 2007-09-18 01:59:45 UTC
Unless avar still has the listing, there's nothing further we can do about this bug (if it hasn't been done already in the last 2 years).
Comment 2 Rob Church 2007-09-18 10:37:39 UTC
Well, there is - we can generate another listing using his script, or another script, and advise those users of the need to rename their accounts.

(Special:Renameuser will now accept "invalid" username input for the original username, provided that the user row exists...)
Comment 3 Brion Vibber 2007-09-18 14:46:09 UTC
Please don't close bugs just because they're old.
Comment 4 Brion Vibber 2007-09-18 14:46:58 UTC
*** Bug 3501 has been marked as a duplicate of this bug. ***
Comment 5 Brion Vibber 2007-09-18 14:47:19 UTC
For another example, see the usernames with double spaces referred to in dupe bug 3501.
Comment 6 Mike.lifeguard 2009-06-27 22:33:23 UTC
*** Bug 5230 has been marked as a duplicate of this bug. ***
Comment 7 Phillip Patriakeas 2010-11-03 02:29:06 UTC
This is related to bug 323; assuming a properly-coded Special:Renameuser, renaming users with invalid names should cause all their edits to display in Special:Contributions.
Comment 8 Graham87 2010-11-03 03:29:14 UTC
AFAIK this would only work if the rev_user field in the revision table or the r_user field in the archive table is not 0. The above values are always 0 for edits from before the introduction of the Phase II software, as shown at:
http://en.wikipedia.org/wiki/User:Nemo_bis/Bug_323_revisions

It would also not work where duplicate usernames are involved such as "Larry_Sanger" and "Larry Sanger". In the latter case, those usernames should ideally be merged.
Comment 9 Krinkle 2011-01-17 11:31:48 UTC
* Rename users of which their edits have a _user higher than 0 in the other tables and do not conflict with an existing username
** If proof is found that they are the same, merge users
** If user is still active rename to something else with their permission
* Otherwise: Leave it be for now

That should clean up most cases, right ?
Comment 10 Gerrit Notification Bot 2013-05-17 00:32:45 UTC
Related URL: https://gerrit.wikimedia.org/r/64243 (Gerrit Change Idb4b84b853f4f86e90a470e937af9017cee15e44)
Comment 11 Gerrit Notification Bot 2013-05-17 00:46:44 UTC
Related URL: https://gerrit.wikimedia.org/r/64246 (Gerrit Change Idb4b84b853f4f86e90a470e937af9017cee15e44)
Comment 12 Gerrit Notification Bot 2013-05-17 00:47:36 UTC
Related URL: https://gerrit.wikimedia.org/r/64247 (Gerrit Change Idb4b84b853f4f86e90a470e937af9017cee15e44)
Comment 13 Sam Reed (reedy) 2013-05-17 18:37:29 UTC
Created attachment 12333 [details]
Output of checkUsername

reedy@terbium:~$ grep \: checkUsernames.log -c
1193

1193 bad usernames on all WMF wikis

List grouped by dbname attached
Comment 14 MZMcBride 2013-09-04 04:20:56 UTC
MariaDB [enwiki_p]> select * from user where user_name = 'ɑʀʇʉʀɵ'\G
*************************** 1. row ***************************
                 user_id: 3103938
               user_name: ɑʀʇʉʀɵ
          user_real_name: 
           user_password: 
        user_newpassword: 
              user_email: 
            user_options: 
            user_touched: 
              user_token: 
user_email_authenticated: 
        user_email_token: 
user_email_token_expires: 
       user_registration: 20061226002342
       user_newpass_time: 
          user_editcount: 39
1 row in set (0.03 sec)

---

"ɑʀʇʉʀɵ" gets transformed to "Ɑʀʇʉʀɵ".
Comment 15 Nemo 2013-09-04 05:18:00 UTC
(In reply to comment #14)
> "ɑʀʇʉʀɵ" gets transformed to "Ɑʀʇʉʀɵ".

A more recent example of that was [[user:ɱ]] (now Ɱ), with the lowercase "latin small letter m with hook / left-tail m" that didn't get consistently normalised to its capitalised/uppercase version. I can't find the bug for that, if any was filed, but it may require a core fix first hence a separate report.

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