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 succeeds, 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                                 ApiQueryInfo::resetTokenCache();
  83
  84                                 // Run hooks.
  85                                 // @todo FIXME: Split back and frontend from this hook.
  86                                 // @todo FIXME: This hook should be placed in the backend
  87                                 $injected_html = '';
  88                                 wfRunHooks( 'UserLoginComplete', array( &$user, &$injected_html ) );
  89
  90                                 $result['result'] = 'Success';
  91                                 $result['lguserid'] = intval( $user->getId() );
  92                                 $result['lgusername'] = $user->getName();
  93                                 $result['lgtoken'] = $user->getToken();
  94                                 $result['cookieprefix'] = $wgCookiePrefix;
  95                                 $result['sessionid'] = session_id();
  96                                 break;
  97
  98                         case LoginForm::NEED_TOKEN:
  99                                 $result['result'] = 'NeedToken';
 100                                 $result['token'] = $loginForm->getLoginToken();
 101                                 $result['cookieprefix'] = $wgCookiePrefix;
 102                                 $result['sessionid'] = session_id();
 103                                 break;
 104
 105                         case LoginForm::WRONG_TOKEN:
 106                                 $result['result'] = 'WrongToken';
 107                                 break;
 108
 109                         case LoginForm::NO_NAME:
 110                                 $result['result'] = 'NoName';
 111                                 break;
 112
 113                         case LoginForm::ILLEGAL:
 114                                 $result['result'] = 'Illegal';
 115                                 break;
 116
 117                         case LoginForm::WRONG_PLUGIN_PASS:
 118                                 $result['result'] = 'WrongPluginPass';
 119                                 break;
 120
 121                         case LoginForm::NOT_EXISTS:
 122                                 $result['result'] = 'NotExists';
 123                                 break;
 124
 125                         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;"
 126                         case LoginForm::WRONG_PASS:
 127                                 $result['result'] = 'WrongPass';
 128                                 break;
 129
 130                         case LoginForm::EMPTY_PASS:
 131                                 $result['result'] = 'EmptyPass';
 132                                 break;
 133
 134                         case LoginForm::CREATE_BLOCKED:
 135                                 $result['result'] = 'CreateBlocked';
 136                                 $result['details'] = 'Your IP address is blocked from account creation';
 137                                 break;
 138
 139                         case LoginForm::THROTTLED:
 140                                 $result['result'] = 'Throttled';
 141                                 $result['wait'] = intval( $wgPasswordAttemptThrottle['seconds'] );
 142                                 break;
 143
 144                         case LoginForm::USER_BLOCKED:
 145                                 $result['result'] = 'Blocked';
 146                                 break;
 147
 148                         case LoginForm::ABORTED:
 149                                 $result['result'] = 'Aborted';
 150                                 $result['reason'] = $loginForm->mAbortLoginErrorMsg;
 151                                 break;
 152
 153                         default:
 154                                 ApiBase::dieDebug( __METHOD__, "Unhandled case value: {$authRes}" );
 155                 }
 156
 157                 $this->getResult()->addValue( null, 'login', $result );
 158         }
 159
 160         public function mustBePosted() {
 161                 return true;
 162         }
 163
 164         public function isReadMode() {
 165                 return false;
 166         }
 167
 168         public function getAllowedParams() {
 169                 return array(
 170                         'name' => null,
 171                         'password' => null,
 172                         'domain' => null,
 173                         'token' => null,
 174                 );
 175         }
 176
 177         public function getParamDescription() {
 178                 return array(
 179                         'name' => 'User Name',
 180                         'password' => 'Password',
 181                         'domain' => 'Domain (optional)',
 182                         'token' => 'Login token obtained in first request',
 183                 );
 184         }
 185
 186         public function getResultProperties() {
 187                 return array(
 188                         '' => array(
 189                                 'result' => array(
 190                                         ApiBase::PROP_TYPE => array(
 191                                                 'Success',
 192                                                 'NeedToken',
 193                                                 'WrongToken',
 194                                                 'NoName',
 195                                                 'Illegal',
 196                                                 'WrongPluginPass',
 197                                                 'NotExists',
 198                                                 'WrongPass',
 199                                                 'EmptyPass',
 200                                                 'CreateBlocked',
 201                                                 'Throttled',
 202                                                 'Blocked',
 203                                                 'Aborted'
 204                                         )
 205                                 ),
 206                                 'lguserid' => array(
 207                                         ApiBase::PROP_TYPE => 'integer',
 208                                         ApiBase::PROP_NULLABLE => true
 209                                 ),
 210                                 'lgusername' => array(
 211                                         ApiBase::PROP_TYPE => 'string',
 212                                         ApiBase::PROP_NULLABLE => true
 213                                 ),
 214                                 'lgtoken' => array(
 215                                         ApiBase::PROP_TYPE => 'string',
 216                                         ApiBase::PROP_NULLABLE => true
 217                                 ),
 218                                 'cookieprefix' => array(
 219                                         ApiBase::PROP_TYPE => 'string',
 220                                         ApiBase::PROP_NULLABLE => true
 221                                 ),
 222                                 'sessionid' => array(
 223                                         ApiBase::PROP_TYPE => 'string',
 224                                         ApiBase::PROP_NULLABLE => true
 225                                 ),
 226                                 'token' => array(
 227                                         ApiBase::PROP_TYPE => 'string',
 228                                         ApiBase::PROP_NULLABLE => true
 229                                 ),
 230                                 'details' => array(
 231                                         ApiBase::PROP_TYPE => 'string',
 232                                         ApiBase::PROP_NULLABLE => true
 233                                 ),
 234                                 'wait' => array(
 235                                         ApiBase::PROP_TYPE => 'integer',
 236                                         ApiBase::PROP_NULLABLE => true
 237                                 ),
 238                                 'reason' => array(
 239                                         ApiBase::PROP_TYPE => 'string',
 240                                         ApiBase::PROP_NULLABLE => true
 241                                 )
 242                         )
 243                 );
 244         }
 245
 246         public function getDescription() {
 247                 return array(
 248                         'Log in and get the authentication tokens. ',
 249                         'In the event of a successful log-in, a cookie will be attached',
 250                         'to your session. In the event of a failed log-in, you will not ',
 251                         'be able to attempt another log-in through this method for 5 seconds.',
 252                         'This is to prevent password guessing by automated password crackers'
 253                 );
 254         }
 255
 256         public function getPossibleErrors() {
 257                 return array_merge( parent::getPossibleErrors(), array(
 258                         array( 'code' => 'NeedToken', 'info' => 'You need to resubmit your login with the specified token. See https://bugzilla.wikimedia.org/show_bug.cgi?id=23076' ),
 259                         array( 'code' => 'WrongToken', 'info' => 'You specified an invalid token' ),
 260                         array( 'code' => 'NoName', 'info' => 'You didn\'t set the lgname parameter' ),
 261                         array( 'code' => 'Illegal', 'info' => ' You provided an illegal username' ),
 262                         array( 'code' => 'NotExists', 'info' => ' The username you provided doesn\'t exist' ),
 263                         array( 'code' => 'EmptyPass', 'info' => ' You didn\'t set the lgpassword parameter or you left it empty' ),
 264                         array( 'code' => 'WrongPass', 'info' => ' The password you provided is incorrect' ),
 265                         array( 'code' => 'WrongPluginPass', 'info' => 'Same as "WrongPass", returned when an authentication plugin rather than MediaWiki itself rejected the password' ),
 266                         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' ),
 267                         array( 'code' => 'Throttled', 'info' => 'You\'ve logged in too many times in a short time' ),
 268                         array( 'code' => 'Blocked', 'info' => 'User is blocked' ),
 269                 ) );
 270         }
 271
 272         public function getExamples() {
 273                 return array(
 274                         'api.php?action=login&lgname=user&lgpassword=password'
 275                 );
 276         }
 277
 278         public function getHelpUrls() {
 279                 return 'https://www.mediawiki.org/wiki/API:Login';
 280         }
 281 }