If you want to allow remote login only, first make sure existing users agree to it, then you can disable local login.

The wiki has no idea that your local account and your remote account are the same person.

It may happen that a user first registers on the wiki via the local user registration and then tries to login through OAuth, encountering the error message you have found.

Then, you can just use local login to approve your remote login. Here how:

https://www.mediawiki.org/wiki/File:MediaWiki_1.31_special_preferences_WSOAuth_extension_connect_remote_account_English.png

BTW in my wiki I've replaced wsoauth-user-already-exists-message from:

• The username "{{{1}}}" is already taken.

to

• An username called "{{{1}}}" already exists but was not registered via this remote login. Please do a local login and visit the Preferences page.

More info:

https://www.mediawiki.org/wiki/Extension:WSOAuth#System_messages

@Wargo: Do you plan to work on fixing this task, as you increased the priority of this task?

N-No. I did not noticed this rule.

(Oh sorry I've marked as invalid from my smartphone. BTW if it's still a valid bug please reopen!)

In T298351#7592688, @Wargo wrote:

You can test on https://notwikilambda.toolforge.org (not my wiki).

Thank you @Wargo! Yeah, at a first look it seems the WSOAuth extension is not able anymore to register a new user since it always gives that "The username "you" is already taken" which is nonsense if you are trying to register yourself in the website for the first time.

Let's contact the maintainer if I can do something:

• https://admin.toolforge.org/tool/notwikilambda

Hi @LucasWerkmeister! :D Sorry if I bother you but, hoping to be useful there, I'm available to be temporarily set as Toolforge maintainer of notwikilambda to do little in-production troubleshooting on the WSOAuth extension there. I could also do it in other ways to it would take much longer. Oh, happy new year! ihih

I’m not sure what’s going on here, I can’t find a trace of an existing Wargo user:

tools.notwikilambda@tools-sgebastion-07:~$ php public_html/w/maintenance/mysql.php 
MariaDB [s54524__mediawiki]> SELECT * FROM user WHERE user_name = 'Wargo';
Empty set (0.00 sec)
MariaDB [s54524__mediawiki]> SELECT * FROM actor WHERE actor_name = 'Wargo';
Empty set (0.01 sec)
MariaDB [s54524__mediawiki]> SELECT * FROM logging WHERE log_namespace = 2 AND log_title = 'Wargo';
Empty set (0.00 sec)

Any idea where WSOAuth might be getting this user from?

It not created my account.

Change 760263 had a related patch set uploaded (by Xxmarijnw; author: Xxmarijnw):

[mediawiki/extensions/WSOAuth@master] This commit fixes T298351.

https://gerrit.wikimedia.org/r/760263

Thank you for your bug report. It should be fixed in the above commit. @Wargo can you take a look?

Mentioned in SAL (#wikimedia-cloud) [2022-02-06T18:55:24Z] <wm-bot> <lucaswerkmeister> Checked out WSOAuth change Ie0a828e368 PS2 (commit c85a5a1c42), hopefully fixes T298351

Change 760263 merged by Xxmarijnw:

[mediawiki/extensions/WSOAuth@master] Fix T298351.

https://gerrit.wikimedia.org/r/760263

Mentioned in SAL (#wikimedia-cloud) [2022-02-13T14:02:36Z] <wm-bot> <lucaswerkmeister> Checked out WSOAuth master again (T298351)

Hi @Wargo! How are you? Can you confirm that now you are able to register in https://notwikilambda.toolforge.org successfully? It seems the fix is in production.

Ouch note that recent versions of WSOAuth are not compatible with old versions of PluggableAuth:

[3dcafb17de74839c4e53a04e] /wiki/Special:PluggableAuthLogin Error: Class 'PluggableAuth' not found
https://notwikilambda.toolforge.org/wiki/Special:PluggableAuthLogin

So before being able to test that wiki let's wait for T299934: notwikilambda Toolforge service down

I’m confused… is there any version of PluggableAuth that current WSOAuth is compatible with?

@LucasWerkmeister Sorry for letting you wait, I don't check Phabricator that often. WSOAuth is not compatible with the latest version of PluggableAuth (6.0-dev), but it should be compatible with version 5.7. The error @valerio.bozzolan is referring to happens because 6.0-dev is installed on notwikilambda.toolforge.org.

I am currently working on making WSOAuth compatible with PA 6.0-dev, but this will break compatibility with 5.7.