includes/specials/SpecialUserlogout.php

   1 <?php
   2 /**
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  * http://www.gnu.org/copyleft/gpl.html
  18  */
  19
  20 /**
  21  * @file
  22  * @ingroup SpecialPage
  23  */
  24
  25 /**
  26  * constructor
  27  */
  28 function wfSpecialUserlogout() {
  29         global $wgUser, $wgOut;
  30
  31         /**
  32          * Some satellite ISPs use broken precaching schemes that log people out straight after
  33          * they're logged in (bug 17790). Luckily, there's a way to detect such requests.
  34          */
  35         if ( isset( $_SERVER['REQUEST_URI'] ) && strpos( $_SERVER['REQUEST_URI'], '&amp;' ) !== false ) {
  36                 wfDebug( "Special:Userlogout request {$_SERVER['REQUEST_URI']} looks suspicious, denying.\n" );
  37                 wfHttpError( 400, wfMsg( 'loginerror' ), wfMsg( 'suspicious-userlogout' ) );
  38                 return;
  39         }
  40
  41         $oldName = $wgUser->getName();
  42         $wgUser->logout();
  43         $wgOut->setRobotPolicy( 'noindex,nofollow' );
  44
  45         // Hook.
  46         $injected_html = '';
  47         wfRunHooks( 'UserLogoutComplete', array(&$wgUser, &$injected_html, $oldName) );
  48
  49         $wgOut->addHTML( wfMsgExt( 'logouttext', array( 'parse' ) ) . $injected_html );
  50         $wgOut->returnToMain();
  51 }