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                 // If we're in JSON callback mode, no tokens can be obtained
  50                 if ( !is_null( $this->getMain()->getRequest()->getVal( 'callback' ) ) ) {
  51                         $this->getResult()->addValue( null, 'login', array(
  52                                 'result' => 'Aborted',
  53                                 'reason' => 'Cannot log in when using a callback',
  54                         ) );
  55
  56                         return;
  57                 }
  58
  59                 $params = $this->extractRequestParams();
  60
  61                 $result = array();
  62
  63                 // Init session if necessary
  64                 if ( session_id() == '' ) {
  65                         wfSetupSession();
  66                 }
  67
  68                 $context = new DerivativeContext( $this->getContext() );
  69                 $context->setRequest( new DerivativeRequest(
  70                         $this->getContext()->getRequest(),
  71                         array(
  72                                 'wpName' => $params['name'],
  73                                 'wpPassword' => $params['password'],
  74                                 'wpDomain' => $params['domain'],
  75                                 'wpLoginToken' => $params['token'],
  76                                 'wpRemember' => ''
  77                         )
  78                 ) );
  79                 $loginForm = new LoginForm();
  80                 $loginForm->setContext( $context );
  81
  82                 global $wgCookiePrefix, $wgPasswordAttemptThrottle;
  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() );
  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                                 $injected_html = '';
  97                                 wfRunHooks( 'UserLoginComplete', array( &$user, &$injected_html ) );
  98
  99                                 $result['result'] = 'Success';
 100                                 $result['lguserid'] = intval( $user->getId() );
 101                                 $result['lgusername'] = $user->getName();
 102                                 $result['lgtoken'] = $user->getToken();
 103                                 $result['cookieprefix'] = $wgCookiePrefix;
 104                                 $result['sessionid'] = session_id();
 105                                 break;
 106
 107                         case LoginForm::NEED_TOKEN:
 108                                 $result['result'] = 'NeedToken';
 109                                 $result['token'] = $loginForm->getLoginToken();
 110                                 $result['cookieprefix'] = $wgCookiePrefix;
 111                                 $result['sessionid'] = session_id();
 112                                 break;
 113
 114                         case LoginForm::WRONG_TOKEN:
 115                                 $result['result'] = 'WrongToken';
 116                                 break;
 117
 118                         case LoginForm::NO_NAME:
 119                                 $result['result'] = 'NoName';
 120                                 break;
 121
 122                         case LoginForm::ILLEGAL:
 123                                 $result['result'] = 'Illegal';
 124                                 break;
 125
 126                         case LoginForm::WRONG_PLUGIN_PASS:
 127                                 $result['result'] = 'WrongPluginPass';
 128                                 break;
 129
 130                         case LoginForm::NOT_EXISTS:
 131                                 $result['result'] = 'NotExists';
 132                                 break;
 133
 134                         // bug 20223 - Treat a temporary password as wrong. Per SpecialUserLogin:
 135                         // The e-mailed temporary password should not be used for actual logins.
 136                         case LoginForm::RESET_PASS:
 137                         case LoginForm::WRONG_PASS:
 138                                 $result['result'] = 'WrongPass';
 139                                 break;
 140
 141                         case LoginForm::EMPTY_PASS:
 142                                 $result['result'] = 'EmptyPass';
 143                                 break;
 144
 145                         case LoginForm::CREATE_BLOCKED:
 146                                 $result['result'] = 'CreateBlocked';
 147                                 $result['details'] = 'Your IP address is blocked from account creation';
 148                                 break;
 149
 150                         case LoginForm::THROTTLED:
 151                                 $result['result'] = 'Throttled';
 152                                 $result['wait'] = intval( $wgPasswordAttemptThrottle['seconds'] );
 153                                 break;
 154
 155                         case LoginForm::USER_BLOCKED:
 156                                 $result['result'] = 'Blocked';
 157                                 break;
 158
 159                         case LoginForm::ABORTED:
 160                                 $result['result'] = 'Aborted';
 161                                 $result['reason'] = $loginForm->mAbortLoginErrorMsg;
 162                                 break;
 163
 164                         default:
 165                                 ApiBase::dieDebug( __METHOD__, "Unhandled case value: {$authRes}" );
 166                 }
 167
 168                 $this->getResult()->addValue( null, 'login', $result );
 169         }
 170
 171         public function mustBePosted() {
 172                 return true;
 173         }
 174
 175         public function isReadMode() {
 176                 return false;
 177         }
 178
 179         public function getAllowedParams() {
 180                 return array(
 181                         'name' => null,
 182                         'password' => null,
 183                         'domain' => null,
 184                         'token' => null,
 185                 );
 186         }
 187
 188         public function getParamDescription() {
 189                 return array(
 190                         'name' => 'User Name',
 191                         'password' => 'Password',
 192                         'domain' => 'Domain (optional)',
 193                         'token' => 'Login token obtained in first request',
 194                 );
 195         }
 196
 197         public function getResultProperties() {
 198                 return array(
 199                         '' => array(
 200                                 'result' => array(
 201                                         ApiBase::PROP_TYPE => array(
 202                                                 'Success',
 203                                                 'NeedToken',
 204                                                 'WrongToken',
 205                                                 'NoName',
 206                                                 'Illegal',
 207                                                 'WrongPluginPass',
 208                                                 'NotExists',
 209                                                 'WrongPass',
 210                                                 'EmptyPass',
 211                                                 'CreateBlocked',
 212                                                 'Throttled',
 213                                                 'Blocked',
 214                                                 'Aborted'
 215                                         )
 216                                 ),
 217                                 'lguserid' => array(
 218                                         ApiBase::PROP_TYPE => 'integer',
 219                                         ApiBase::PROP_NULLABLE => true
 220                                 ),
 221                                 'lgusername' => array(
 222                                         ApiBase::PROP_TYPE => 'string',
 223                                         ApiBase::PROP_NULLABLE => true
 224                                 ),
 225                                 'lgtoken' => array(
 226                                         ApiBase::PROP_TYPE => 'string',
 227                                         ApiBase::PROP_NULLABLE => true
 228                                 ),
 229                                 'cookieprefix' => array(
 230                                         ApiBase::PROP_TYPE => 'string',
 231                                         ApiBase::PROP_NULLABLE => true
 232                                 ),
 233                                 'sessionid' => array(
 234                                         ApiBase::PROP_TYPE => 'string',
 235                                         ApiBase::PROP_NULLABLE => true
 236                                 ),
 237                                 'token' => array(
 238                                         ApiBase::PROP_TYPE => 'string',
 239                                         ApiBase::PROP_NULLABLE => true
 240                                 ),
 241                                 'details' => array(
 242                                         ApiBase::PROP_TYPE => 'string',
 243                                         ApiBase::PROP_NULLABLE => true
 244                                 ),
 245                                 'wait' => array(
 246                                         ApiBase::PROP_TYPE => 'integer',
 247                                         ApiBase::PROP_NULLABLE => true
 248                                 ),
 249                                 'reason' => array(
 250                                         ApiBase::PROP_TYPE => 'string',
 251                                         ApiBase::PROP_NULLABLE => true
 252                                 )
 253                         )
 254                 );
 255         }
 256
 257         public function getDescription() {
 258                 return array(
 259                         'Log in and get the authentication tokens.',
 260                         'In the event of a successful log-in, a cookie will be attached to your session.',
 261                         'In the event of a failed log-in, you will not be able to attempt another log-in',
 262                         'through this method for 5 seconds. This is to prevent password guessing by',
 263                         'automated password crackers.'
 264                 );
 265         }
 266
 267         public function getPossibleErrors() {
 268                 return array_merge( parent::getPossibleErrors(), array(
 269                         array(
 270                                 'code' => 'NeedToken', 'info' => 'You need to resubmit your ' .
 271                                 'login with the specified token. See ' .
 272                                         'https://bugzilla.wikimedia.org/show_bug.cgi?id=23076'
 273                         ),
 274                         array( 'code' => 'WrongToken', 'info' => 'You specified an invalid token' ),
 275                         array( 'code' => 'NoName', 'info' => 'You didn\'t set the lgname parameter' ),
 276                         array( 'code' => 'Illegal', 'info' => 'You provided an illegal username' ),
 277                         array( 'code' => 'NotExists', 'info' => 'The username you provided doesn\'t exist' ),
 278                         array(
 279                                 'code' => 'EmptyPass',
 280                                 'info' => 'You didn\'t set the lgpassword parameter or you left it empty'
 281                         ),
 282                         array( 'code' => 'WrongPass', 'info' => 'The password you provided is incorrect' ),
 283                         array(
 284                                 'code' => 'WrongPluginPass',
 285                                 'info' => 'Same as "WrongPass", returned when an authentication ' .
 286                                         'plugin rather than MediaWiki itself rejected the password'
 287                         ),
 288                         array(
 289                                 'code' => 'CreateBlocked',
 290                                 'info' => 'The wiki tried to automatically create a new account ' .
 291                                         'for you, but your IP address has been blocked from account creation'
 292                         ),
 293                         array( 'code' => 'Throttled', 'info' => 'You\'ve logged in too many times in a short time' ),
 294                         array( 'code' => 'Blocked', 'info' => 'User is blocked' ),
 295                 ) );
 296         }
 297
 298         public function getExamples() {
 299                 return array(
 300                         'api.php?action=login&lgname=user&lgpassword=password'
 301                 );
 302         }
 303
 304         public function getHelpUrls() {
 305                 return 'https://www.mediawiki.org/wiki/API:Login';
 306         }
 307 }