includes/api/ApiLogin.php

   1 <?php
   2 /**
   3  *
   4  *
   5  * Created on Sep 19, 2006
   6  *
   7  * Copyright © 2006-2007 Yuri Astrakhan "<Firstname><Lastname>@gmail.com",
   8  * Daniel Cannon (cannon dot danielc at gmail dot com)
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  *
  25  * @file
  26  */
  27 use MediaWiki\Logger\LoggerFactory;
  28
  29 /**
  30  * Unit to authenticate log-in attempts to the current wiki.
  31  *
  32  * @ingroup API
  33  */
  34 class ApiLogin extends ApiBase {
  35
  36         public function __construct( ApiMain $main, $action ) {
  37                 parent::__construct( $main, $action, 'lg' );
  38         }
  39
  40         /**
  41          * Executes the log-in attempt using the parameters passed. If
  42          * the log-in succeeds, it attaches a cookie to the session
  43          * and outputs the user id, username, and session token. If a
  44          * log-in fails, as the result of a bad password, a nonexistent
  45          * user, or any other reason, the host is cached with an expiry
  46          * and no log-in attempts will be accepted until that expiry
  47          * is reached. The expiry is $this->mLoginThrottle.
  48          */
  49         public function execute() {
  50                 // If we're in a mode that breaks the same-origin policy, no tokens can
  51                 // be obtained
  52                 if ( $this->lacksSameOriginSecurity() ) {
  53                         $this->getResult()->addValue( null, 'login', array(
  54                                 'result' => 'Aborted',
  55                                 'reason' => 'Cannot log in when the same-origin policy is not applied',
  56                         ) );
  57
  58                         return;
  59                 }
  60
  61                 $params = $this->extractRequestParams();
  62
  63                 $result = array();
  64
  65                 // Init session if necessary
  66                 if ( session_id() == '' ) {
  67                         wfSetupSession();
  68                 }
  69
  70                 $context = new DerivativeContext( $this->getContext() );
  71                 $context->setRequest( new DerivativeRequest(
  72                         $this->getContext()->getRequest(),
  73                         array(
  74                                 'wpName' => $params['name'],
  75                                 'wpPassword' => $params['password'],
  76                                 'wpDomain' => $params['domain'],
  77                                 'wpLoginToken' => $params['token'],
  78                                 'wpRemember' => ''
  79                         )
  80                 ) );
  81                 $loginForm = new LoginForm();
  82                 $loginForm->setContext( $context );
  83
  84                 $authRes = $loginForm->authenticateUserData();
  85                 switch ( $authRes ) {
  86                         case LoginForm::SUCCESS:
  87                                 $user = $context->getUser();
  88                                 $this->getContext()->setUser( $user );
  89                                 $user->setCookies( $this->getRequest(), null, true );
  90
  91                                 ApiQueryInfo::resetTokenCache();
  92
  93                                 // Run hooks.
  94                                 // @todo FIXME: Split back and frontend from this hook.
  95                                 // @todo FIXME: This hook should be placed in the backend
  96                                 $injected_html = '';
  97                                 Hooks::run( 'UserLoginComplete', array( &$user, &$injected_html ) );
  98
  99                                 $result['result'] = 'Success';
 100                                 $result['lguserid'] = intval( $user->getId() );
 101                                 $result['lgusername'] = $user->getName();
 102
 103                                 // @todo: These are deprecated, and should be removed at some
 104                                 // point (1.28 at the earliest, and see T121527). They were ok
 105                                 // when the core cookie-based login was the only thing, but
 106                                 // CentralAuth broke that a while back and
 107                                 // SessionManager/AuthManager are *really* going to break it.
 108                                 $result['lgtoken'] = $user->getToken();
 109                                 $result['cookieprefix'] = $this->getConfig()->get( 'CookiePrefix' );
 110                                 $result['sessionid'] = session_id();
 111                                 break;
 112
 113                         case LoginForm::NEED_TOKEN:
 114                                 $result['result'] = 'NeedToken';
 115                                 $result['token'] = $loginForm->getLoginToken();
 116
 117                                 // @todo: See above about deprecation
 118                                 $result['cookieprefix'] = $this->getConfig()->get( 'CookiePrefix' );
 119                                 $result['sessionid'] = session_id();
 120                                 break;
 121
 122                         case LoginForm::WRONG_TOKEN:
 123                                 $result['result'] = 'WrongToken';
 124                                 break;
 125
 126                         case LoginForm::NO_NAME:
 127                                 $result['result'] = 'NoName';
 128                                 break;
 129
 130                         case LoginForm::ILLEGAL:
 131                                 $result['result'] = 'Illegal';
 132                                 break;
 133
 134                         case LoginForm::WRONG_PLUGIN_PASS:
 135                                 $result['result'] = 'WrongPluginPass';
 136                                 break;
 137
 138                         case LoginForm::NOT_EXISTS:
 139                                 $result['result'] = 'NotExists';
 140                                 break;
 141
 142                         // bug 20223 - Treat a temporary password as wrong. Per SpecialUserLogin:
 143                         // The e-mailed temporary password should not be used for actual logins.
 144                         case LoginForm::RESET_PASS:
 145                         case LoginForm::WRONG_PASS:
 146                                 $result['result'] = 'WrongPass';
 147                                 break;
 148
 149                         case LoginForm::EMPTY_PASS:
 150                                 $result['result'] = 'EmptyPass';
 151                                 break;
 152
 153                         case LoginForm::CREATE_BLOCKED:
 154                                 $result['result'] = 'CreateBlocked';
 155                                 $result['details'] = 'Your IP address is blocked from account creation';
 156                                 $block = $context->getUser()->getBlock();
 157                                 if ( $block ) {
 158                                         $result = array_merge( $result, ApiQueryUserInfo::getBlockInfo( $block ) );
 159                                 }
 160                                 break;
 161
 162                         case LoginForm::THROTTLED:
 163                                 $result['result'] = 'Throttled';
 164                                 $throttle = $this->getConfig()->get( 'PasswordAttemptThrottle' );
 165                                 $result['wait'] = intval( $throttle['seconds'] );
 166                                 break;
 167
 168                         case LoginForm::USER_BLOCKED:
 169                                 $result['result'] = 'Blocked';
 170                                 $block = User::newFromName( $params['name'] )->getBlock();
 171                                 if ( $block ) {
 172                                         $result = array_merge( $result, ApiQueryUserInfo::getBlockInfo( $block ) );
 173                                 }
 174                                 break;
 175
 176                         case LoginForm::ABORTED:
 177                                 $result['result'] = 'Aborted';
 178                                 $result['reason'] = $loginForm->mAbortLoginErrorMsg;
 179                                 break;
 180
 181                         default:
 182                                 ApiBase::dieDebug( __METHOD__, "Unhandled case value: {$authRes}" );
 183                 }
 184
 185                 $this->getResult()->addValue( null, 'login', $result );
 186
 187                 LoggerFactory::getInstance( 'authmanager' )->info( 'Login attempt', array(
 188                         'event' => 'login',
 189                         'successful' => $authRes === LoginForm::SUCCESS,
 190                         'status' => LoginForm::$statusCodes[$authRes],
 191                 ) );
 192         }
 193
 194         public function mustBePosted() {
 195                 return true;
 196         }
 197
 198         public function isReadMode() {
 199                 return false;
 200         }
 201
 202         public function getAllowedParams() {
 203                 return array(
 204                         'name' => null,
 205                         'password' => array(
 206                                 ApiBase::PARAM_TYPE => 'password',
 207                         ),
 208                         'domain' => null,
 209                         'token' => null,
 210                 );
 211         }
 212
 213         protected function getExamplesMessages() {
 214                 return array(
 215                         'action=login&lgname=user&lgpassword=password'
 216                                 => 'apihelp-login-example-gettoken',
 217                         'action=login&lgname=user&lgpassword=password&lgtoken=123ABC'
 218                                 => 'apihelp-login-example-login',
 219                 );
 220         }
 221
 222         public function getHelpUrls() {
 223                 return 'https://www.mediawiki.org/wiki/API:Login';
 224         }
 225 }