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
  28 /**
  29  * Unit to authenticate log-in attempts to the current wiki.
  30  *
  31  * @ingroup API
  32  */
  33 class ApiLogin extends ApiBase {
  34
  35         public function __construct( $main, $action ) {
  36                 parent::__construct( $main, $action, 'lg' );
  37         }
  38
  39         /**
  40          * Executes the log-in attempt using the parameters passed. If
  41          * the log-in succeeeds, it attaches a cookie to the session
  42          * and outputs the user id, username, and session token. If a
  43          * log-in fails, as the result of a bad password, a nonexistent
  44          * user, or any other reason, the host is cached with an expiry
  45          * and no log-in attempts will be accepted until that expiry
  46          * is reached. The expiry is $this->mLoginThrottle.
  47          */
  48         public function execute() {
  49                 $params = $this->extractRequestParams();
  50
  51                 $result = array();
  52
  53                 // Init session if necessary
  54                 if ( session_id() == '' ) {
  55                         wfSetupSession();
  56                 }
  57
  58                 $context = new DerivativeContext( $this->getContext() );
  59                 $context->setRequest( new DerivativeRequest(
  60                         $this->getContext()->getRequest(),
  61                         array(
  62                                 'wpName' => $params['name'],
  63                                 'wpPassword' => $params['password'],
  64                                 'wpDomain' => $params['domain'],
  65                                 'wpLoginToken' => $params['token'],
  66                                 'wpRemember' => ''
  67                         )
  68                 ) );
  69                 $loginForm = new LoginForm();
  70                 $loginForm->setContext( $context );
  71
  72                 global $wgCookiePrefix, $wgPasswordAttemptThrottle;
  73
  74                 $authRes = $loginForm->authenticateUserData();
  75                 switch ( $authRes ) {
  76                         case LoginForm::SUCCESS:
  77                                 $user = $context->getUser();
  78                                 $this->getContext()->setUser( $user );
  79                                 $user->setOption( 'rememberpassword', 1 );
  80                                 $user->setCookies( $this->getRequest() );
  81
  82                                 // Run hooks.
  83                                 // @todo FIXME: Split back and frontend from this hook.
  84                                 // @todo FIXME: This hook should be placed in the backend
  85                                 $injected_html = '';
  86                                 wfRunHooks( 'UserLoginComplete', array( &$user, &$injected_html ) );
  87
  88                                 $result['result'] = 'Success';
  89                                 $result['lguserid'] = intval( $user->getId() );
  90                                 $result['lgusername'] = $user->getName();
  91                                 $result['lgtoken'] = $user->getToken();
  92                                 $result['cookieprefix'] = $wgCookiePrefix;
  93                                 $result['sessionid'] = session_id();
  94                                 break;
  95
  96                         case LoginForm::NEED_TOKEN:
  97                                 $result['result'] = 'NeedToken';
  98                                 $result['token'] = $loginForm->getLoginToken();
  99                                 $result['cookieprefix'] = $wgCookiePrefix;
 100                                 $result['sessionid'] = session_id();
 101                                 break;
 102
 103                         case LoginForm::WRONG_TOKEN:
 104                                 $result['result'] = 'WrongToken';
 105                                 break;
 106
 107                         case LoginForm::NO_NAME:
 108                                 $result['result'] = 'NoName';
 109                                 break;
 110
 111                         case LoginForm::ILLEGAL:
 112                                 $result['result'] = 'Illegal';
 113                                 break;
 114
 115                         case LoginForm::WRONG_PLUGIN_PASS:
 116                                 $result['result'] = 'WrongPluginPass';
 117                                 break;
 118
 119                         case LoginForm::NOT_EXISTS:
 120                                 $result['result'] = 'NotExists';
 121                                 break;
 122
 123                         case LoginForm::RESET_PASS: // bug 20223 - Treat a temporary password as wrong. Per SpecialUserLogin - "The e-mailed temporary password should not be used for actual logins;"
 124                         case LoginForm::WRONG_PASS:
 125                                 $result['result'] = 'WrongPass';
 126                                 break;
 127
 128                         case LoginForm::EMPTY_PASS:
 129                                 $result['result'] = 'EmptyPass';
 130                                 break;
 131
 132                         case LoginForm::CREATE_BLOCKED:
 133                                 $result['result'] = 'CreateBlocked';
 134                                 $result['details'] = 'Your IP address is blocked from account creation';
 135                                 break;
 136
 137                         case LoginForm::THROTTLED:
 138                                 $result['result'] = 'Throttled';
 139                                 $result['wait'] = intval( $wgPasswordAttemptThrottle['seconds'] );
 140                                 break;
 141
 142                         case LoginForm::USER_BLOCKED:
 143                                 $result['result'] = 'Blocked';
 144                                 break;
 145
 146                         case LoginForm::ABORTED:
 147                                 $result['result'] = 'Aborted';
 148                                 $result['reason'] =  $loginForm->mAbortLoginErrorMsg;
 149                                 break;
 150
 151                         default:
 152                                 ApiBase::dieDebug( __METHOD__, "Unhandled case value: {$authRes}" );
 153                 }
 154
 155                 $this->getResult()->addValue( null, 'login', $result );
 156         }
 157
 158         public function mustBePosted() {
 159                 return true;
 160         }
 161
 162         public function isReadMode() {
 163                 return false;
 164         }
 165
 166         public function getAllowedParams() {
 167                 return array(
 168                         'name' => null,
 169                         'password' => null,
 170                         'domain' => null,
 171                         'token' => null,
 172                 );
 173         }
 174
 175         public function getParamDescription() {
 176                 return array(
 177                         'name' => 'User Name',
 178                         'password' => 'Password',
 179                         'domain' => 'Domain (optional)',
 180                         'token' => 'Login token obtained in first request',
 181                 );
 182         }
 183
 184         public function getDescription() {
 185                 return array(
 186                         'Log in and get the authentication tokens. ',
 187                         'In the event of a successful log-in, a cookie will be attached',
 188                         'to your session. In the event of a failed log-in, you will not ',
 189                         'be able to attempt another log-in through this method for 5 seconds.',
 190                         'This is to prevent password guessing by automated password crackers'
 191                 );
 192         }
 193
 194         public function getPossibleErrors() {
 195                 return array_merge( parent::getPossibleErrors(), array(
 196                         array( 'code' => 'NeedToken', 'info' => 'You need to resubmit your login with the specified token. See https://bugzilla.wikimedia.org/show_bug.cgi?id=23076' ),
 197                         array( 'code' => 'WrongToken', 'info' => 'You specified an invalid token' ),
 198                         array( 'code' => 'NoName', 'info' => 'You didn\'t set the lgname parameter' ),
 199                         array( 'code' => 'Illegal', 'info' => ' You provided an illegal username' ),
 200                         array( 'code' => 'NotExists', 'info' => ' The username you provided doesn\'t exist' ),
 201                         array( 'code' => 'EmptyPass', 'info' => ' You didn\'t set the lgpassword parameter or you left it empty' ),
 202                         array( 'code' => 'WrongPass', 'info' => ' The password you provided is incorrect' ),
 203                         array( 'code' => 'WrongPluginPass', 'info' => 'Same as `WrongPass", returned when an authentication plugin rather than MediaWiki itself rejected the password' ),
 204                         array( 'code' => 'CreateBlocked', 'info' => 'The wiki tried to automatically create a new account for you, but your IP address has been blocked from account creation' ),
 205                         array( 'code' => 'Throttled', 'info' => 'You\'ve logged in too many times in a short time' ),
 206                         array( 'code' => 'Blocked', 'info' => 'User is blocked' ),
 207                 ) );
 208         }
 209
 210         public function getExamples() {
 211                 return array(
 212                         'api.php?action=login&lgname=user&lgpassword=password'
 213                 );
 214         }
 215
 216         public function getHelpUrls() {
 217                 return 'http://www.mediawiki.org/wiki/API:Login';
 218         }
 219
 220         public function getVersion() {
 221                 return __CLASS__ . ': $Id$';
 222         }
 223 }