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 use MediaWiki\Logger\LoggerFactory;
  29
  30 /**
  31  * Unit to authenticate log-in attempts to the current wiki.
  32  *
  33  * @ingroup API
  34  */
  35 class ApiLogin extends ApiBase {
  36
  37         public function __construct( ApiMain $main, $action ) {
  38                 parent::__construct( $main, $action, 'lg' );
  39         }
  40
  41         /**
  42          * Executes the log-in attempt using the parameters passed. If
  43          * the log-in succeeds, it attaches a cookie to the session
  44          * and outputs the user id, username, and session token. If a
  45          * log-in fails, as the result of a bad password, a nonexistent
  46          * user, or any other reason, the host is cached with an expiry
  47          * and no log-in attempts will be accepted until that expiry
  48          * is reached. The expiry is $this->mLoginThrottle.
  49          */
  50         public function execute() {
  51                 // If we're in a mode that breaks the same-origin policy, no tokens can
  52                 // be obtained
  53                 if ( $this->lacksSameOriginSecurity() ) {
  54                         $this->getResult()->addValue( null, 'login', [
  55                                 'result' => 'Aborted',
  56                                 'reason' => 'Cannot log in when the same-origin policy is not applied',
  57                         ] );
  58
  59                         return;
  60                 }
  61
  62                 $params = $this->extractRequestParams();
  63
  64                 $result = [];
  65
  66                 // Make sure session is persisted
  67                 $session = MediaWiki\Session\SessionManager::getGlobalSession();
  68                 $session->persist();
  69
  70                 // Make sure it's possible to log in
  71                 if ( !$session->canSetUser() ) {
  72                         $this->getResult()->addValue( null, 'login', [
  73                                 'result' => 'Aborted',
  74                                 'reason' => 'Cannot log in when using ' .
  75                                         $session->getProvider()->describe( Language::factory( 'en' ) ),
  76                         ] );
  77
  78                         return;
  79                 }
  80
  81                 $authRes = false;
  82                 $context = new DerivativeContext( $this->getContext() );
  83                 $loginType = 'N/A';
  84
  85                 // Check login token
  86                 $token = LoginForm::getLoginToken();
  87                 if ( $token->wasNew() || !$params['token'] ) {
  88                         $authRes = LoginForm::NEED_TOKEN;
  89                 } elseif ( !$token->match( $params['token'] ) ) {
  90                         $authRes = LoginForm::WRONG_TOKEN;
  91                 }
  92
  93                 // Try bot passwords
  94                 if ( $authRes === false && $this->getConfig()->get( 'EnableBotPasswords' ) &&
  95                         strpos( $params['name'], BotPassword::getSeparator() ) !== false
  96                 ) {
  97                         $status = BotPassword::login(
  98                                 $params['name'], $params['password'], $this->getRequest()
  99                         );
 100                         if ( $status->isOK() ) {
 101                                 $session = $status->getValue();
 102                                 $authRes = LoginForm::SUCCESS;
 103                                 $loginType = 'BotPassword';
 104                         } else {
 105                                 LoggerFactory::getInstance( 'authmanager' )->info(
 106                                         'BotPassword login failed: ' . $status->getWikiText()
 107                                 );
 108                         }
 109                 }
 110
 111                 // Normal login
 112                 if ( $authRes === false ) {
 113                         $context->setRequest( new DerivativeRequest(
 114                                 $this->getContext()->getRequest(),
 115                                 [
 116                                         'wpName' => $params['name'],
 117                                         'wpPassword' => $params['password'],
 118                                         'wpDomain' => $params['domain'],
 119                                         'wpLoginToken' => $params['token'],
 120                                         'wpRemember' => ''
 121                                 ]
 122                         ) );
 123                         $loginForm = new LoginForm();
 124                         $loginForm->setContext( $context );
 125                         $authRes = $loginForm->authenticateUserData();
 126                         $loginType = 'LoginForm';
 127                 }
 128
 129                 switch ( $authRes ) {
 130                         case LoginForm::SUCCESS:
 131                                 $user = $context->getUser();
 132                                 $this->getContext()->setUser( $user );
 133                                 $user->setCookies( $this->getRequest(), null, true );
 134
 135                                 ApiQueryInfo::resetTokenCache();
 136
 137                                 // Run hooks.
 138                                 // @todo FIXME: Split back and frontend from this hook.
 139                                 // @todo FIXME: This hook should be placed in the backend
 140                                 $injected_html = '';
 141                                 Hooks::run( 'UserLoginComplete', [ &$user, &$injected_html ] );
 142
 143                                 $result['result'] = 'Success';
 144                                 $result['lguserid'] = intval( $user->getId() );
 145                                 $result['lgusername'] = $user->getName();
 146
 147                                 // @todo: These are deprecated, and should be removed at some
 148                                 // point (1.28 at the earliest, and see T121527). They were ok
 149                                 // when the core cookie-based login was the only thing, but
 150                                 // CentralAuth broke that a while back and
 151                                 // SessionManager/AuthManager are *really* going to break it.
 152                                 $result['lgtoken'] = $user->getToken();
 153                                 $result['cookieprefix'] = $this->getConfig()->get( 'CookiePrefix' );
 154                                 $result['sessionid'] = $session->getId();
 155                                 break;
 156
 157                         case LoginForm::NEED_TOKEN:
 158                                 $result['result'] = 'NeedToken';
 159                                 $result['token'] = LoginForm::getLoginToken()->toString();
 160                                 $this->setWarning( 'Fetching a token via action=login is deprecated. ' .
 161                                    'Use action=query&meta=tokens&type=login instead.' );
 162                                 $this->logFeatureUsage( 'action=login&!lgtoken' );
 163
 164                                 // @todo: See above about deprecation
 165                                 $result['cookieprefix'] = $this->getConfig()->get( 'CookiePrefix' );
 166                                 $result['sessionid'] = $session->getId();
 167                                 break;
 168
 169                         case LoginForm::WRONG_TOKEN:
 170                                 $result['result'] = 'WrongToken';
 171                                 break;
 172
 173                         case LoginForm::NO_NAME:
 174                                 $result['result'] = 'NoName';
 175                                 break;
 176
 177                         case LoginForm::ILLEGAL:
 178                                 $result['result'] = 'Illegal';
 179                                 break;
 180
 181                         case LoginForm::WRONG_PLUGIN_PASS:
 182                                 $result['result'] = 'WrongPluginPass';
 183                                 break;
 184
 185                         case LoginForm::NOT_EXISTS:
 186                                 $result['result'] = 'NotExists';
 187                                 break;
 188
 189                         // bug 20223 - Treat a temporary password as wrong. Per SpecialUserLogin:
 190                         // The e-mailed temporary password should not be used for actual logins.
 191                         case LoginForm::RESET_PASS:
 192                         case LoginForm::WRONG_PASS:
 193                                 $result['result'] = 'WrongPass';
 194                                 break;
 195
 196                         case LoginForm::EMPTY_PASS:
 197                                 $result['result'] = 'EmptyPass';
 198                                 break;
 199
 200                         case LoginForm::CREATE_BLOCKED:
 201                                 $result['result'] = 'CreateBlocked';
 202                                 $result['details'] = 'Your IP address is blocked from account creation';
 203                                 $block = $context->getUser()->getBlock();
 204                                 if ( $block ) {
 205                                         $result = array_merge( $result, ApiQueryUserInfo::getBlockInfo( $block ) );
 206                                 }
 207                                 break;
 208
 209                         case LoginForm::THROTTLED:
 210                                 $result['result'] = 'Throttled';
 211                                 $result['wait'] = intval( $loginForm->mThrottleWait );
 212                                 break;
 213
 214                         case LoginForm::USER_BLOCKED:
 215                                 $result['result'] = 'Blocked';
 216                                 $block = User::newFromName( $params['name'] )->getBlock();
 217                                 if ( $block ) {
 218                                         $result = array_merge( $result, ApiQueryUserInfo::getBlockInfo( $block ) );
 219                                 }
 220                                 break;
 221
 222                         case LoginForm::ABORTED:
 223                                 $result['result'] = 'Aborted';
 224                                 $result['reason'] = $loginForm->mAbortLoginErrorMsg;
 225                                 break;
 226
 227                         default:
 228                                 ApiBase::dieDebug( __METHOD__, "Unhandled case value: {$authRes}" );
 229                 }
 230
 231                 $this->getResult()->addValue( null, 'login', $result );
 232
 233                 LoggerFactory::getInstance( 'authmanager' )->info( 'Login attempt', [
 234                         'event' => 'login',
 235                         'successful' => $authRes === LoginForm::SUCCESS,
 236                         'loginType' => $loginType,
 237                         'status' => LoginForm::$statusCodes[$authRes],
 238                 ] );
 239         }
 240
 241         public function mustBePosted() {
 242                 return true;
 243         }
 244
 245         public function isReadMode() {
 246                 return false;
 247         }
 248
 249         public function getAllowedParams() {
 250                 return [
 251                         'name' => null,
 252                         'password' => [
 253                                 ApiBase::PARAM_TYPE => 'password',
 254                         ],
 255                         'domain' => null,
 256                         'token' => [
 257                                 ApiBase::PARAM_TYPE => 'string',
 258                                 ApiBase::PARAM_REQUIRED => false, // for BC
 259                                 ApiBase::PARAM_HELP_MSG => [ 'api-help-param-token', 'login' ],
 260                         ],
 261                 ];
 262         }
 263
 264         protected function getExamplesMessages() {
 265                 return [
 266                         'action=login&lgname=user&lgpassword=password'
 267                                 => 'apihelp-login-example-gettoken',
 268                         'action=login&lgname=user&lgpassword=password&lgtoken=123ABC'
 269                                 => 'apihelp-login-example-login',
 270                 ];
 271         }
 272
 273         public function getHelpUrls() {
 274                 return 'https://www.mediawiki.org/wiki/API:Login';
 275         }
 276 }