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<?php
// 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, see <http://www.gnu.org/licenses/>.
//
// Copyright 2006 Otheus Shelling
// Copyright 2007 Rusty Burchfield
// Copyright 2009 James Kinsman
// Copyright 2010 Daniel Thomas
// Copyright 2010 Ian Ward Comfort
// Copyright 2013-2016 Zalora South East Asia Pte Ltd
//
// In 2009, the copyright holders determined that the original publishing of this code
// under GPLv3 was legally and logistically in error, and re-licensed it under GPLv2.
//
// See http://www.mediawiki.org/wiki/Extension:AutomaticREMOTE_USER
//
// Adapted by Rusty to be compatible with version 1.9 of MediaWiki
// Optional settings from Emmanuel Dreyfus
// Adapted by VibroAxe (James Kinsman) to be compatible with version 1.16 of MediaWiki
// Adapted by VibroAxe (James Kinsman) to allow domain substitution for Integrated Windows Authentication
// Adapted by drt24 (Daniel Thomas) to add the optional $wgAuthRemoteuserMailDomain and remove hardcoding
// of permissions for anonymous users.
// Adapted by Ian Ward Comfort to detect mismatches between the session user and REMOTE_USER
// Adapted to sproxy by Chris Forno
// Extension credits that show up on Special:Version
$wgExtensionCredits['other'][] = array(
'name' => 'Sproxy',
'version' => '0.2.0',
'author' => array(
'Otheus Shelling',
'Rusty Burchfield',
'James Kinsman',
'Daniel Thomas',
'Ian Ward Comfort',
'Chris Forno'
) ,
'url' => '',
'description' => 'Automatically authenticates users using sproxy HTTP headers.',
);
// We must allow zero length passwords. This extension does not work in MW 1.16 without this.
$wgMinimalPasswordLength = 0;
function sproxy_hook()
{
global $wgUser, $wgRequest, $wgAuth;
// For a few special pages, don't do anything.
$skipPages = array(
Title::makeName(NS_SPECIAL, 'UserLogin') ,
Title::makeName(NS_SPECIAL, 'UserLogout') ,
);
if (in_array($wgRequest->getVal('title') , $skipPages)) {
return;
}
// Don't do anything if there's already a valid session.
$user = User::newFromSession();
if (!$user->isAnon()) {
return;
}
// If the login form returns NEED_TOKEN try once more with the right token
$trycount = 0;
$token = '';
$errormessage = '';
do {
$tryagain = false;
// Submit a fake login form to authenticate the user.
$params = new FauxRequest(array(
'wpName' => sproxy_username() ,
'wpPassword' => '',
'wpDomain' => '',
'wpLoginToken' => $token,
'wpRemember' => '',
));
// Authenticate user data will automatically create new users.
$loginForm = new LoginForm($params);
$result = $loginForm->authenticateUserData();
switch ($result) {
case LoginForm::SUCCESS:
$wgUser->setOption('rememberpassword', 1);
$wgUser->setCookies();
break;
case LoginForm::NEED_TOKEN:
$token = $loginForm->getLoginToken();
$tryagain = ($trycount == 0);
break;
default:
error_log("Unexpected sproxy authentication failure (code: $result)");
break;
}
$trycount++;
}
while ($tryagain);
}
$wgExtensionFunctions[] = 'sproxy_hook';
function sproxy_email()
{
return $_SERVER['HTTP_FROM'];
}
function sproxy_username()
{
// We can't rely on X-Given-Name/X-Family name because they can be
// set by the user. I've personally seen someone set their name to
// "ZALORA".
//
// Instead, we'll try to extract the real name from the first part
// of the email address.
list($username, $_) = explode('@', sproxy_email());
// So we have something like firstname.lastname or firstname.l or
// firstname.
return $username;
}
function sproxy_real_name()
{
return $_SERVER['HTTP_X_GIVEN_NAME'] . ' ' . $_SERVER['HTTP_X_FAMILY_NAME'];
}
class AuthSproxy extends AuthPlugin
{
public function userExists($username)
{
// This does not mean does the user already exist in the Mediawiki database.
return true;
}
public function authenticate($username, $password)
{
// All users are already authenticated.
return true;
}
public function autoCreate()
{
// Automatically create Mediawiki users for sproxy users.
return true;
}
function allowPasswordChange()
{
// This doesn't make any sense so don't allow it.
return false;
}
public function strict()
{
// Don't check passwords against the Mediawiki database;
return true;
}
public function initUser(&$user, $autocreate = false)
{
$user->setEmail(sproxy_email());
$user->mEmailAuthenticated = wfTimestampNow();
$user->setToken();
$user->setRealName(sproxy_real_name());
// turn on e-mail notifications
if (isset($wgAuthRemoteuserNotify) && $wgAuthRemoteuserNotify) {
$user->setOption('enotifwatchlistpages', 1);
$user->setOption('enotifusertalkpages', 1);
$user->setOption('enotifminoredits', 1);
$user->setOption('enotifrevealaddr', 1);
}
$user->saveSettings();
}
}
$wgAuth = new AuthSproxy();
// Don't let anonymous people do things...
$wgGroupPermissions['*']['createaccount'] = false;
$wgGroupPermissions['*']['read'] = false;
$wgGroupPermissions['*']['edit'] = false;
// see http://www.mediawiki.org/wiki/Manual:Hooks/SpecialPage_initList
// and http://www.mediawiki.org/w/Manual:Special_pages
// and http://lists.wikimedia.org/pipermail/mediawiki-l/2009-June/031231.html
// disable login and logout functions for all users
function LessSpecialPages(&$list)
{
unset($list['ChangeEmail']);
unset($list['Userlogin']);
unset($list['Userlogout']);
return true;
}
$wgHooks['SpecialPage_initList'][] = 'LessSpecialPages';
// http://www.mediawiki.org/wiki/Extension:Windows_NTLM_LDAP_Auto_Auth
// remove login and logout buttons for all users
function StripLogin(&$personal_urls, &$wgTitle)
{
unset($personal_urls["login"]);
unset($personal_urls["logout"]);
unset($personal_urls['anonlogin']);
return true;
}
$wgHooks['PersonalUrls'][] = 'StripLogin';
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