Emu

This extension allows Mediawiki to authenticate against a remote Drupal 4.6/ 4.7 site.

The full GPL source is available at http://www.prattenplus.net/emu

Overview

Emu enables Mediawiki to make encrypted authentication requests over the internet to a remote Drupal Installation. You may customise the Drupal role that a person must have before being authenticated.

Partial Source

Here is the core of the extension from 0.91 version.

<?php

/* Emu Remote Authentication against Drupal (4.6/ 4.7) v0.9.1
     Copyright: Emu@prattenplus.net
     Licence: GPL
     No warranty
     URL: www.prattenplus.net/emu

	See readme.txt for more information.

*/


require_once($IP."/includes/AuthPlugin.php");
require_once($IP.'/extensions/emu_shared.inc');
require_once($IP.'/extensions/emu_sharedconfig.inc');
require_once($IP.'/extensions/emu_mediawikiconfig.inc');

/**
 * Authentication plugin using Emu.
 */
class Emu extends AuthPlugin {

        function userExists( $username ) {
			global $drupalurl, $emu_debug;
			$request = "<emu><action>userExists</action><user>".$username."</user></emu>";
        	$ans = emu_askdrupal($drupalurl,$request);
		    if ($emu_debug) { print htmlspecialchars($request.'<br />'.$ans);}
			return (emu_extractreply($ans,"response")=="OK"); 
        }
 
        function authenticate( $username, $password ) {
			global $drupalurl, $emu_debug, $emu_whichrole;
			$request = "<emu><action>authenticate</action><user>".$username."</user><pass>".$password."</pass></emu>";
		    $ans = emu_askdrupal($drupalurl, $request );
		    if ($emu_debug) { print htmlspecialchars($request.'<br />'.$ans);}
			return (emu_extractreply($ans,"response")=="OK"&&strpos("forcefirstmatchoff0".emu_extractreply($ans,"roles"),$emu_whichrole)); 
        }

        function autoCreate() { //allow mediawiki to auto create local users.  
                return true;
        }

        function strict() { // users must authenticate against drupal
                return true;
        }

		function setPassword( $password ) { //access to drupal is read only
			return false;
		}

	function addUser( $user, $password ) {
		return false;
	}

		
		function updateExternalDB( $user ) {
			return false;
		}
}

$wgExtensionCredits['other'][] = array(
        'name' => 'Emu ',
        'version' => '0.9.1',
        'author' => 'David Pratten',
        'url' => 'http://meta.wikimedia.org/wiki/Emu',
        'description' => 'mu Remote Authentication against Drupal (4.6/ 4.7)'
);

# This code was based on the code for QISSingleSignOn retrieved 23-Jan-2006 from http://meta.wikimedia.org/wiki/QISSingleSignOn
#
# 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.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# http://www.gnu.org/copyleft/gpl.html

?>