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<?php
/**
* Implements Special:Userlogout
*
* 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.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup SpecialPage
*/
/**
* Implements Special:Userlogout
*
* @ingroup SpecialPage
*/
class SpecialUserLogout extends UnlistedSpecialPage {
function __construct() {
parent::__construct( 'Userlogout' );
}
public function doesWrites() {
return true;
}
function execute( $par ) {
/**
* Some satellite ISPs use broken precaching schemes that log people out straight after
* they're logged in (T19790). Luckily, there's a way to detect such requests.
*/
if ( isset( $_SERVER['REQUEST_URI'] ) && strpos( $_SERVER['REQUEST_URI'], '&' ) !== false ) {
wfDebug( "Special:UserLogout request {$_SERVER['REQUEST_URI']} looks suspicious, denying.\n" );
throw new HttpError( 400, $this->msg( 'suspicious-userlogout' ), $this->msg( 'loginerror' ) );
}
$this->setHeaders();
$this->outputHeader();
$out = $this->getOutput();
$user = $this->getUser();
$request = $this->getRequest();
$logoutToken = $request->getVal( 'logoutToken' );
$urlParams = [
'logoutToken' => $user->getEditToken( 'logoutToken', $request )
] + $request->getValues();
unset( $urlParams['title'] );
$continueLink = $this->getFullTitle()->getFullUrl( $urlParams );
if ( $logoutToken === null ) {
$this->getOutput()->addWikiMsg( 'userlogout-continue', $continueLink );
return;
}
if ( !$this->getUser()->matchEditToken(
$logoutToken, 'logoutToken', $this->getRequest(), 24 * 60 * 60
) ) {
$this->getOutput()->addWikiMsg( 'userlogout-sessionerror', $continueLink );
return;
}
// Make sure it's possible to log out
$session = MediaWiki\Session\SessionManager::getGlobalSession();
if ( !$session->canSetUser() ) {
throw new ErrorPageError(
'cannotlogoutnow-title',
'cannotlogoutnow-text',
[
$session->getProvider()->describe( RequestContext::getMain()->getLanguage() )
]
);
}
$user = $this->getUser();
$oldName = $user->getName();
$user->logout();
$loginURL = SpecialPage::getTitleFor( 'Userlogin' )->getFullURL(
$this->getRequest()->getValues( 'returnto', 'returntoquery' ) );
$out = $this->getOutput();
$out->addWikiMsg( 'logouttext', $loginURL );
// Hook.
$injected_html = '';
Hooks::run( 'UserLogoutComplete', [ &$user, &$injected_html, $oldName ] );
$out->addHTML( $injected_html );
$out->returnToMain();
}
protected function getGroupName() {
return 'login';
}
}
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