AuthRemoteuser: A MediaWiki Extension

The Auth_remoteuser extension allows integration with the web server's built-in authentication system via the REMOTE_USER environment variable. This variable is set through HTTP-Auth, LDAP, CAS, PAM, and other authentication systems. Using the the value of the REMOTE_USER environment variable, this extension automagically performs a login for this user. The value of this environment variable also serves as the MediaWiki username. If an account with that name does not exist yet, one is created.

Installation

First, add this to your LocalSettings.php:

####################################################
# Extension: AuthRemoteuser
wfLoadExtension( 'AuthRemoteuser' );
$wgAuthRemoteuserMailDomain = 'example.com';

# If you want the extension to autocreate users not existing you have to add 
$wgGroupPermissions['*']['autocreateaccount'] = true;

# Settings: AuthRemoteuser
$wgGroupPermissions['*']['createaccount']   = false;
$wgGroupPermissions['*']['read']            = false;
$wgGroupPermissions['*']['edit']            = false;
####################################################

Instead of example.com, you might want to use the domain of your organization. It will be appended to the username and should form a valid email address. If i.e. your username to login (==REMOTE_USER) is jdoe, the email of the user will be jdoe@example.com.

If your environment uses a different variable then REMOTE_USER you can adjust this like so:

$wgAuthRemoteuserEnvVariable = 'HTTP_X_REMOTE_USER';

Implementation

The constructor of AuthRemoteuser registers a hook to do the automatic login. Storing the AuthRemoteuser object in $wgAuth tells MediaWiki that instead of the MediaWiki AuthPlugin, use us for authentication. This way the plugin can handle the login attempts.

Original version

The original version of this fork can be found on the [MediaWiki extension site] (https://www.mediawiki.org/wiki/Extension:Auth_remoteuser).

License (GPLv2)

Use web server authentication (REMOTE_USER) in MediaWiki.
Copyright 2006 Otheus Shelling
Copyright 2007 Rusty Burchfield
Copyright 2009 James Kinsman
Copyright 2010 Daniel Thomas
Copyright 2010 Ian Ward Comfort
Copyright 2014 Mark A. Hershberger
Copyright 2015 Jonas Gröger
Copyright 2016 Andreas Fink

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.