includes/specials/SpecialUserlogin.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup SpecialPage
   5  */
   6
   7 /**
   8  * constructor
   9  */
  10 function wfSpecialUserlogin( $par = '' ) {
  11         global $wgRequest;
  12         if( session_id() == '' ) {
  13                 wfSetupSession();
  14         }
  15
  16         $form = new LoginForm( $wgRequest, $par );
  17         $form->execute();
  18 }
  19
  20 /**
  21  * implements Special:Login
  22  * @ingroup SpecialPage
  23  */
  24 class LoginForm {
  25
  26         const SUCCESS = 0;
  27         const NO_NAME = 1;
  28         const ILLEGAL = 2;
  29         const WRONG_PLUGIN_PASS = 3;
  30         const NOT_EXISTS = 4;
  31         const WRONG_PASS = 5;
  32         const EMPTY_PASS = 6;
  33         const RESET_PASS = 7;
  34         const ABORTED = 8;
  35         const CREATE_BLOCKED = 9;
  36         const THROTTLED = 10;
  37         const USER_BLOCKED = 11;
  38         const NEED_TOKEN = 12;
  39         const WRONG_TOKEN = 13;
  40
  41         var $mName, $mPassword, $mRetype, $mReturnTo, $mCookieCheck, $mPosted;
  42         var $mAction, $mCreateaccount, $mCreateaccountMail, $mMailmypassword;
  43         var $mLoginattempt, $mRemember, $mEmail, $mDomain, $mLanguage;
  44         var $mSkipCookieCheck, $mReturnToQuery, $mToken;
  45
  46         private $mExtUser = null;
  47
  48         /**
  49          * Constructor
  50          * @param $request WebRequest: a WebRequest object passed by reference
  51          * @param $par String: subpage parameter
  52          */
  53         function LoginForm( &$request, $par = '' ) {
  54                 global $wgAuth, $wgHiddenPrefs, $wgEnableEmail, $wgRedirectOnLogin;
  55
  56                 $this->mType = ( $par == 'signup' ) ? $par : $request->getText( 'type' ); # Check for [[Special:Userlogin/signup]]
  57                 $this->mName = $request->getText( 'wpName' );
  58                 $this->mPassword = $request->getText( 'wpPassword' );
  59                 $this->mRetype = $request->getText( 'wpRetype' );
  60                 $this->mDomain = $request->getText( 'wpDomain' );
  61                 $this->mReturnTo = $request->getVal( 'returnto' );
  62                 $this->mReturnToQuery = $request->getVal( 'returntoquery' );
  63                 $this->mCookieCheck = $request->getVal( 'wpCookieCheck' );
  64                 $this->mPosted = $request->wasPosted();
  65                 $this->mCreateaccount = $request->getCheck( 'wpCreateaccount' );
  66                 $this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' )
  67                                             && $wgEnableEmail;
  68                 $this->mMailmypassword = $request->getCheck( 'wpMailmypassword' )
  69                                          && $wgEnableEmail;
  70                 $this->mLoginattempt = $request->getCheck( 'wpLoginattempt' );
  71                 $this->mAction = $request->getVal( 'action' );
  72                 $this->mRemember = $request->getCheck( 'wpRemember' );
  73                 $this->mLanguage = $request->getText( 'uselang' );
  74                 $this->mSkipCookieCheck = $request->getCheck( 'wpSkipCookieCheck' );
  75                 $this->mToken = $request->getVal( 'wpLoginToken' );
  76
  77                 if ( $wgRedirectOnLogin ) {
  78                         $this->mReturnTo = $wgRedirectOnLogin;
  79                         $this->mReturnToQuery = '';
  80                 }
  81
  82                 if( $wgEnableEmail ) {
  83                         $this->mEmail = $request->getText( 'wpEmail' );
  84                 } else {
  85                         $this->mEmail = '';
  86                 }
  87                 if( !in_array( 'realname', $wgHiddenPrefs ) ) {
  88                     $this->mRealName = $request->getText( 'wpRealName' );
  89                 } else {
  90                     $this->mRealName = '';
  91                 }
  92
  93                 if( !$wgAuth->validDomain( $this->mDomain ) ) {
  94                         $this->mDomain = 'invaliddomain';
  95                 }
  96                 $wgAuth->setDomain( $this->mDomain );
  97
  98                 # When switching accounts, it sucks to get automatically logged out
  99                 $returnToTitle = Title::newFromText( $this->mReturnTo );
 100                 if( is_object( $returnToTitle ) && $returnToTitle->isSpecial( 'Userlogout' ) ) {
 101                         $this->mReturnTo = '';
 102                         $this->mReturnToQuery = '';
 103                 }
 104         }
 105
 106         function execute() {
 107                 if ( !is_null( $this->mCookieCheck ) ) {
 108                         $this->onCookieRedirectCheck( $this->mCookieCheck );
 109                         return;
 110                 } else if( $this->mPosted ) {
 111                         if( $this->mCreateaccount ) {
 112                                 return $this->addNewAccount();
 113                         } else if ( $this->mCreateaccountMail ) {
 114                                 return $this->addNewAccountMailPassword();
 115                         } else if ( $this->mMailmypassword ) {
 116                                 return $this->mailPassword();
 117                         } else if ( ( 'submitlogin' == $this->mAction ) || $this->mLoginattempt ) {
 118                                 return $this->processLogin();
 119                         }
 120                 }
 121                 $this->mainLoginForm( '' );
 122         }
 123
 124         /**
 125          * @private
 126          */
 127         function addNewAccountMailPassword() {
 128                 global $wgOut;
 129
 130                 if ( $this->mEmail == '' ) {
 131                         $this->mainLoginForm( wfMsg( 'noemail', htmlspecialchars( $this->mName ) ) );
 132                         return;
 133                 }
 134
 135                 $u = $this->addNewaccountInternal();
 136
 137                 if ($u == null) {
 138                         return;
 139                 }
 140
 141                 // Wipe the initial password and mail a temporary one
 142                 $u->setPassword( null );
 143                 $u->saveSettings();
 144                 $result = $this->mailPasswordInternal( $u, false, 'createaccount-title', 'createaccount-text' );
 145
 146                 wfRunHooks( 'AddNewAccount', array( $u, true ) );
 147                 $u->addNewUserLogEntry();
 148
 149                 $wgOut->setPageTitle( wfMsg( 'accmailtitle' ) );
 150                 $wgOut->setRobotPolicy( 'noindex,nofollow' );
 151                 $wgOut->setArticleRelated( false );
 152
 153                 if( WikiError::isError( $result ) ) {
 154                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 155                 } else {
 156                         $wgOut->addWikiMsg( 'accmailtext', $u->getName(), $u->getEmail() );
 157                         $wgOut->returnToMain( false );
 158                 }
 159                 $u = 0;
 160         }
 161
 162
 163         /**
 164          * @private
 165          */
 166         function addNewAccount() {
 167                 global $wgUser, $wgEmailAuthentication;
 168
 169                 # Create the account and abort if there's a problem doing so
 170                 $u = $this->addNewAccountInternal();
 171                 if( $u == null )
 172                         return;
 173
 174                 # If we showed up language selection links, and one was in use, be
 175                 # smart (and sensible) and save that language as the user's preference
 176                 global $wgLoginLanguageSelector;
 177                 if( $wgLoginLanguageSelector && $this->mLanguage )
 178                         $u->setOption( 'language', $this->mLanguage );
 179
 180                 # Send out an email authentication message if needed
 181                 if( $wgEmailAuthentication && User::isValidEmailAddr( $u->getEmail() ) ) {
 182                         global $wgOut;
 183                         $error = $u->sendConfirmationMail();
 184                         if( WikiError::isError( $error ) ) {
 185                                 $wgOut->addWikiMsg( 'confirmemail_sendfailed', $error->getMessage() );
 186                         } else {
 187                                 $wgOut->addWikiMsg( 'confirmemail_oncreate' );
 188                         }
 189                 }
 190
 191                 # Save settings (including confirmation token)
 192                 $u->saveSettings();
 193
 194                 # If not logged in, assume the new account as the current one and set
 195                 # session cookies then show a "welcome" message or a "need cookies"
 196                 # message as needed
 197                 if( $wgUser->isAnon() ) {
 198                         $wgUser = $u;
 199                         $wgUser->setCookies();
 200                         wfRunHooks( 'AddNewAccount', array( $wgUser, false ) );
 201                         $wgUser->addNewUserLogEntry();
 202                         if( $this->hasSessionCookie() ) {
 203                                 return $this->successfulCreation();
 204                         } else {
 205                                 return $this->cookieRedirectCheck( 'new' );
 206                         }
 207                 } else {
 208                         # Confirm that the account was created
 209                         global $wgOut;
 210                         $self = SpecialPage::getTitleFor( 'Userlogin' );
 211                         $wgOut->setPageTitle( wfMsgHtml( 'accountcreated' ) );
 212                         $wgOut->setArticleRelated( false );
 213                         $wgOut->setRobotPolicy( 'noindex,nofollow' );
 214                         $wgOut->addHTML( wfMsgWikiHtml( 'accountcreatedtext', $u->getName() ) );
 215                         $wgOut->returnToMain( false, $self );
 216                         wfRunHooks( 'AddNewAccount', array( $u, false ) );
 217                         $u->addNewUserLogEntry();
 218                         return true;
 219                 }
 220         }
 221
 222         /**
 223          * @private
 224          */
 225         function addNewAccountInternal() {
 226                 global $wgUser, $wgOut;
 227                 global $wgMemc, $wgAccountCreationThrottle;
 228                 global $wgAuth, $wgMinimalPasswordLength;
 229                 global $wgEmailConfirmToEdit;
 230
 231                 // If the user passes an invalid domain, something is fishy
 232                 if( !$wgAuth->validDomain( $this->mDomain ) ) {
 233                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 234                         return false;
 235                 }
 236
 237                 // If we are not allowing users to login locally, we should be checking
 238                 // to see if the user is actually able to authenticate to the authenti-
 239                 // cation server before they create an account (otherwise, they can
 240                 // create a local account and login as any domain user). We only need
 241                 // to check this for domains that aren't local.
 242                 if( 'local' != $this->mDomain && $this->mDomain != '' ) {
 243                         if( !$wgAuth->canCreateAccounts() && ( !$wgAuth->userExists( $this->mName ) || !$wgAuth->authenticate( $this->mName, $this->mPassword ) ) ) {
 244                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 245                                 return false;
 246                         }
 247                 }
 248
 249                 if ( wfReadOnly() ) {
 250                         $wgOut->readOnlyPage();
 251                         return false;
 252                 }
 253
 254                 # Check permissions
 255                 if ( !$wgUser->isAllowed( 'createaccount' ) ) {
 256                         $this->userNotPrivilegedMessage();
 257                         return false;
 258                 } elseif ( $wgUser->isBlockedFromCreateAccount() ) {
 259                         $this->userBlockedMessage();
 260                         return false;
 261                 }
 262
 263                 $ip = wfGetIP();
 264                 if ( $wgUser->isDnsBlacklisted( $ip, true /* check $wgProxyWhitelist */ ) ) {
 265                         $this->mainLoginForm( wfMsg( 'sorbs_create_account_reason' ) . ' (' . htmlspecialchars( $ip ) . ')' );
 266                         return;
 267                 }
 268
 269                 # Now create a dummy user ($u) and check if it is valid
 270                 $name = trim( $this->mName );
 271                 $u = User::newFromName( $name, 'creatable' );
 272                 if ( !is_object( $u ) ) {
 273                         $this->mainLoginForm( wfMsg( 'noname' ) );
 274                         return false;
 275                 }
 276
 277                 if ( 0 != $u->idForName() ) {
 278                         $this->mainLoginForm( wfMsg( 'userexists' ) );
 279                         return false;
 280                 }
 281
 282                 if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 283                         $this->mainLoginForm( wfMsg( 'badretype' ) );
 284                         return false;
 285                 }
 286
 287                 # check for minimal password length
 288                 $valid = $u->getPasswordValidity( $this->mPassword );
 289                 if ( $valid !== true ) {
 290                         if ( !$this->mCreateaccountMail ) {
 291                                 $this->mainLoginForm( wfMsgExt( $valid, array( 'parsemag' ), $wgMinimalPasswordLength ) );
 292                                 return false;
 293                         } else {
 294                                 # do not force a password for account creation by email
 295                                 # set invalid password, it will be replaced later by a random generated password
 296                                 $this->mPassword = null;
 297                         }
 298                 }
 299
 300                 # if you need a confirmed email address to edit, then obviously you
 301                 # need an email address.
 302                 if ( $wgEmailConfirmToEdit && empty( $this->mEmail ) ) {
 303                         $this->mainLoginForm( wfMsg( 'noemailtitle' ) );
 304                         return false;
 305                 }
 306
 307                 if( !empty( $this->mEmail ) && !User::isValidEmailAddr( $this->mEmail ) ) {
 308                         $this->mainLoginForm( wfMsg( 'invalidemailaddress' ) );
 309                         return false;
 310                 }
 311
 312                 # Set some additional data so the AbortNewAccount hook can be used for
 313                 # more than just username validation
 314                 $u->setEmail( $this->mEmail );
 315                 $u->setRealName( $this->mRealName );
 316
 317                 $abortError = '';
 318                 if( !wfRunHooks( 'AbortNewAccount', array( $u, &$abortError ) ) ) {
 319                         // Hook point to add extra creation throttles and blocks
 320                         wfDebug( "LoginForm::addNewAccountInternal: a hook blocked creation\n" );
 321                         $this->mainLoginForm( $abortError );
 322                         return false;
 323                 }
 324
 325                 if ( $wgAccountCreationThrottle && $wgUser->isPingLimitable() ) {
 326                         $key = wfMemcKey( 'acctcreate', 'ip', $ip );
 327                         $value = $wgMemc->get( $key );
 328                         if ( !$value ) {
 329                                 $wgMemc->set( $key, 0, 86400 );
 330                         }
 331                         if ( $value >= $wgAccountCreationThrottle ) {
 332                                 $this->throttleHit( $wgAccountCreationThrottle );
 333                                 return false;
 334                         }
 335                         $wgMemc->incr( $key );
 336                 }
 337
 338                 if( !$wgAuth->addUser( $u, $this->mPassword, $this->mEmail, $this->mRealName ) ) {
 339                         $this->mainLoginForm( wfMsg( 'externaldberror' ) );
 340                         return false;
 341                 }
 342
 343                 return $this->initUser( $u, false );
 344         }
 345
 346         /**
 347          * Actually add a user to the database.
 348          * Give it a User object that has been initialised with a name.
 349          *
 350          * @param $u User object.
 351          * @param $autocreate boolean -- true if this is an autocreation via auth plugin
 352          * @return User object.
 353          * @private
 354          */
 355         function initUser( $u, $autocreate ) {
 356                 global $wgAuth;
 357
 358                 $u->addToDatabase();
 359
 360                 if ( $wgAuth->allowPasswordChange() ) {
 361                         $u->setPassword( $this->mPassword );
 362                 }
 363
 364                 $u->setEmail( $this->mEmail );
 365                 $u->setRealName( $this->mRealName );
 366                 $u->setToken();
 367
 368                 $wgAuth->initUser( $u, $autocreate );
 369
 370                 if ( $this->mExtUser ) {
 371                         $this->mExtUser->linkToLocal( $u->getId() );
 372                         $email = $this->mExtUser->getPref( 'emailaddress' );
 373                         if ( $email && !$this->mEmail ) {
 374                                 $u->setEmail( $email );
 375                         }
 376                 }
 377
 378                 $u->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
 379                 $u->saveSettings();
 380
 381                 # Update user count
 382                 $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
 383                 $ssUpdate->doUpdate();
 384
 385                 return $u;
 386         }
 387
 388         /**
 389          * Internally authenticate the login request.
 390          *
 391          * This may create a local account as a side effect if the
 392          * authentication plugin allows transparent local account
 393          * creation.
 394          */
 395         public function authenticateUserData() {
 396                 global $wgUser, $wgAuth;
 397                 if ( $this->mName == '' ) {
 398                         return self::NO_NAME;
 399                 }
 400
 401                 // We require a login token to prevent login CSRF
 402                 // Handle part of this before incrementing the throttle so
 403                 // token-less login attempts don't count towards the throttle
 404                 // but wrong-token attempts do.
 405
 406                 // If the user doesn't have a login token yet, set one.
 407                 if ( !self::getLoginToken() ) {
 408                         self::setLoginToken();
 409                         return self::NEED_TOKEN;
 410                 }
 411                 // If the user didn't pass a login token, tell them we need one
 412                 if ( !$this->mToken ) {
 413                         return self::NEED_TOKEN;
 414                 }
 415
 416                 global $wgPasswordAttemptThrottle;
 417
 418                 $throttleCount = 0;
 419                 if ( is_array( $wgPasswordAttemptThrottle ) ) {
 420                         $throttleKey = wfMemcKey( 'password-throttle', wfGetIP(), md5( $this->mName ) );
 421                         $count = $wgPasswordAttemptThrottle['count'];
 422                         $period = $wgPasswordAttemptThrottle['seconds'];
 423
 424                         global $wgMemc;
 425                         $throttleCount = $wgMemc->get( $throttleKey );
 426                         if ( !$throttleCount ) {
 427                                 $wgMemc->add( $throttleKey, 1, $period ); // start counter
 428                         } else if ( $throttleCount < $count ) {
 429                                 $wgMemc->incr($throttleKey);
 430                         } else if ( $throttleCount >= $count ) {
 431                                 return self::THROTTLED;
 432                         }
 433                 }
 434
 435                 // Validate the login token
 436                 if ( $this->mToken !== self::getLoginToken() ) {
 437                         return self::WRONG_TOKEN;
 438                 }
 439
 440                 // Load $wgUser now, and check to see if we're logging in as the same
 441                 // name. This is necessary because loading $wgUser (say by calling
 442                 // getName()) calls the UserLoadFromSession hook, which potentially
 443                 // creates the user in the database. Until we load $wgUser, checking
 444                 // for user existence using User::newFromName($name)->getId() below
 445                 // will effectively be using stale data.
 446                 if ( $wgUser->getName() === $this->mName ) {
 447                         wfDebug( __METHOD__.": already logged in as {$this->mName}\n" );
 448                         return self::SUCCESS;
 449                 }
 450
 451                 $this->mExtUser = ExternalUser::newFromName( $this->mName );
 452
 453                 # TODO: Allow some magic here for invalid external names, e.g., let the
 454                 # user choose a different wiki name.
 455                 $u = User::newFromName( $this->mName );
 456                 if( !( $u instanceof User ) || !User::isUsableName( $u->getName() ) ) {
 457                         return self::ILLEGAL;
 458                 }
 459
 460                 $isAutoCreated = false;
 461                 if ( 0 == $u->getID() ) {
 462                         $status = $this->attemptAutoCreate( $u );
 463                         if ( $status !== self::SUCCESS ) {
 464                                 return $status;
 465                         } else {
 466                                 $isAutoCreated = true;
 467                         }
 468                 } else {
 469                         global $wgExternalAuthType, $wgAutocreatePolicy;
 470                         if ( $wgExternalAuthType && $wgAutocreatePolicy != 'never'
 471                         && is_object( $this->mExtUser )
 472                         && $this->mExtUser->authenticate( $this->mPassword ) ) {
 473                                 # The external user and local user have the same name and
 474                                 # password, so we assume they're the same.
 475                                 $this->mExtUser->linkToLocal( $u->getID() );
 476                         }
 477
 478                         $u->load();
 479                 }
 480
 481                 // Give general extensions, such as a captcha, a chance to abort logins
 482                 $abort = self::ABORTED;
 483                 if( !wfRunHooks( 'AbortLogin', array( $u, $this->mPassword, &$abort ) ) ) {
 484                         return $abort;
 485                 }
 486
 487                 global $wgBlockDisablesLogin;
 488                 if (!$u->checkPassword( $this->mPassword )) {
 489                         if( $u->checkTemporaryPassword( $this->mPassword ) ) {
 490                                 // The e-mailed temporary password should not be used for actu-
 491                                 // al logins; that's a very sloppy habit, and insecure if an
 492                                 // attacker has a few seconds to click "search" on someone's o-
 493                                 // pen mail reader.
 494                                 //
 495                                 // Allow it to be used only to reset the password a single time
 496                                 // to a new value, which won't be in the user's e-mail ar-
 497                                 // chives.
 498                                 //
 499                                 // For backwards compatibility, we'll still recognize it at the
 500                                 // login form to minimize surprises for people who have been
 501                                 // logging in with a temporary password for some time.
 502                                 //
 503                                 // As a side-effect, we can authenticate the user's e-mail ad-
 504                                 // dress if it's not already done, since the temporary password
 505                                 // was sent via e-mail.
 506                                 if( !$u->isEmailConfirmed() ) {
 507                                         $u->confirmEmail();
 508                                         $u->saveSettings();
 509                                 }
 510
 511                                 // At this point we just return an appropriate code/ indicating
 512                                 // that the UI should show a password reset form; bot inter-
 513                                 // faces etc will probably just fail cleanly here.
 514                                 $retval = self::RESET_PASS;
 515                         } else {
 516                                 $retval = ($this->mPassword  == '') ? self::EMPTY_PASS : self::WRONG_PASS;
 517                         }
 518                 } elseif ( $wgBlockDisablesLogin && $u->isBlocked() ) {
 519                         // If we've enabled it, make it so that a blocked user cannot login
 520                         $retval = self::USER_BLOCKED;
 521                 } else {
 522                         $wgAuth->updateUser( $u );
 523                         $wgUser = $u;
 524
 525                         // Please reset throttle for successful logins, thanks!
 526                         if($throttleCount) {
 527                                 $wgMemc->delete($throttleKey);
 528                         }
 529
 530                         if ( $isAutoCreated ) {
 531                                 // Must be run after $wgUser is set, for correct new user log
 532                                 wfRunHooks( 'AuthPluginAutoCreate', array( $wgUser ) );
 533                         }
 534
 535                         $retval = self::SUCCESS;
 536                 }
 537                 wfRunHooks( 'LoginAuthenticateAudit', array( $u, $this->mPassword, $retval ) );
 538                 return $retval;
 539         }
 540
 541         /**
 542          * Attempt to automatically create a user on login. Only succeeds if there
 543          * is an external authentication method which allows it.
 544          * @return integer Status code
 545          */
 546         function attemptAutoCreate( $user ) {
 547                 global $wgAuth, $wgUser, $wgAutocreatePolicy;
 548
 549                 if ( $wgUser->isBlockedFromCreateAccount() ) {
 550                         wfDebug( __METHOD__.": user is blocked from account creation\n" );
 551                         return self::CREATE_BLOCKED;
 552                 }
 553
 554                 /**
 555                  * If the external authentication plugin allows it, automatically cre-
 556                  * ate a new account for users that are externally defined but have not
 557                  * yet logged in.
 558                  */
 559                 if ( $this->mExtUser ) {
 560                         # mExtUser is neither null nor false, so use the new ExternalAuth
 561                         # system.
 562                         if ( $wgAutocreatePolicy == 'never' ) {
 563                                 return self::NOT_EXISTS;
 564                         }
 565                         if ( !$this->mExtUser->authenticate( $this->mPassword ) ) {
 566                                 return self::WRONG_PLUGIN_PASS;
 567                         }
 568                 } else {
 569                         # Old AuthPlugin.
 570                         if ( !$wgAuth->autoCreate() ) {
 571                                 return self::NOT_EXISTS;
 572                         }
 573                         if ( !$wgAuth->userExists( $user->getName() ) ) {
 574                                 wfDebug( __METHOD__.": user does not exist\n" );
 575                                 return self::NOT_EXISTS;
 576                         }
 577                         if ( !$wgAuth->authenticate( $user->getName(), $this->mPassword ) ) {
 578                                 wfDebug( __METHOD__.": \$wgAuth->authenticate() returned false, aborting\n" );
 579                                 return self::WRONG_PLUGIN_PASS;
 580                         }
 581                 }
 582
 583                 wfDebug( __METHOD__.": creating account\n" );
 584                 $user = $this->initUser( $user, true );
 585                 return self::SUCCESS;
 586         }
 587
 588         function processLogin() {
 589                 global $wgUser, $wgAuth;
 590
 591                 switch ( $this->authenticateUserData() ) {
 592                         case self::SUCCESS:
 593                                 # We've verified now, update the real record
 594                                 if( (bool)$this->mRemember != (bool)$wgUser->getOption( 'rememberpassword' ) ) {
 595                                         $wgUser->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
 596                                         $wgUser->saveSettings();
 597                                 } else {
 598                                         $wgUser->invalidateCache();
 599                                 }
 600                                 $wgUser->setCookies();
 601                                 self::clearLoginToken();
 602
 603                                 // Reset the throttle
 604                                 $key = wfMemcKey( 'password-throttle', wfGetIP(), md5( $this->mName ) );
 605                                 global $wgMemc;
 606                                 $wgMemc->delete( $key );
 607
 608                                 if( $this->hasSessionCookie() || $this->mSkipCookieCheck ) {
 609                                         /* Replace the language object to provide user interface in
 610                                          * correct language immediately on this first page load.
 611                                          */
 612                                         global $wgLang, $wgRequest;
 613                                         $code = $wgRequest->getVal( 'uselang', $wgUser->getOption( 'language' ) );
 614                                         $wgLang = Language::factory( $code );
 615                                         return $this->successfulLogin();
 616                                 } else {
 617                                         return $this->cookieRedirectCheck( 'login' );
 618                                 }
 619                                 break;
 620
 621                         case self::NEED_TOKEN:
 622                         case self::WRONG_TOKEN:
 623                                 $this->mainLoginForm( wfMsg( 'sessionfailure' ) );
 624                                 break;
 625                         case self::NO_NAME:
 626                         case self::ILLEGAL:
 627                                 $this->mainLoginForm( wfMsg( 'noname' ) );
 628                                 break;
 629                         case self::WRONG_PLUGIN_PASS:
 630                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 631                                 break;
 632                         case self::NOT_EXISTS:
 633                                 if( $wgUser->isAllowed( 'createaccount' ) ){
 634                                         $this->mainLoginForm( wfMsgWikiHtml( 'nosuchuser', htmlspecialchars( $this->mName ) ) );
 635                                 } else {
 636                                         $this->mainLoginForm( wfMsg( 'nosuchusershort', htmlspecialchars( $this->mName ) ) );
 637                                 }
 638                                 break;
 639                         case self::WRONG_PASS:
 640                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 641                                 break;
 642                         case self::EMPTY_PASS:
 643                                 $this->mainLoginForm( wfMsg( 'wrongpasswordempty' ) );
 644                                 break;
 645                         case self::RESET_PASS:
 646                                 $this->resetLoginForm( wfMsg( 'resetpass_announce' ) );
 647                                 break;
 648                         case self::CREATE_BLOCKED:
 649                                 $this->userBlockedMessage();
 650                                 break;
 651                         case self::THROTTLED:
 652                                 $this->mainLoginForm( wfMsg( 'login-throttled' ) );
 653                                 break;
 654                         case self::USER_BLOCKED:
 655                                 $this->mainLoginForm( wfMsgExt( 'login-userblocked',
 656                                         array( 'parsemag', 'escape' ), $this->mName ) );
 657                                 break;
 658                         default:
 659                                 throw new MWException( "Unhandled case value" );
 660                 }
 661         }
 662
 663         function resetLoginForm( $error ) {
 664                 global $wgOut;
 665                 $wgOut->addHTML( Xml::element('p', array( 'class' => 'error' ), $error ) );
 666                 $reset = new SpecialResetpass();
 667                 $reset->execute( null );
 668         }
 669
 670         /**
 671          * @private
 672          */
 673         function mailPassword() {
 674                 global $wgUser, $wgOut, $wgAuth;
 675
 676                 if ( wfReadOnly() ) {
 677                         $wgOut->readOnlyPage();
 678                         return false;
 679                 }
 680
 681                 if( !$wgAuth->allowPasswordChange() ) {
 682                         $this->mainLoginForm( wfMsg( 'resetpass_forbidden' ) );
 683                         return;
 684                 }
 685
 686                 # Check against blocked IPs
 687                 # fixme -- should we not?
 688                 if( $wgUser->isBlocked() ) {
 689                         $this->mainLoginForm( wfMsg( 'blocked-mailpassword' ) );
 690                         return;
 691                 }
 692
 693                 // Check for hooks
 694                 $error = null;
 695                 if ( ! wfRunHooks( 'UserLoginMailPassword', array( $this->mName, &$error ) ) ) {
 696                         $this->mainLoginForm( $error );
 697                         return;
 698                 }
 699
 700                 # Check against the rate limiter
 701                 if( $wgUser->pingLimiter( 'mailpassword' ) ) {
 702                         $wgOut->rateLimited();
 703                         return;
 704                 }
 705
 706                 if ( $this->mName == '' ) {
 707                         $this->mainLoginForm( wfMsg( 'noname' ) );
 708                         return;
 709                 }
 710                 $u = User::newFromName( $this->mName );
 711                 if( !$u instanceof User ) {
 712                         $this->mainLoginForm( wfMsg( 'noname' ) );
 713                         return;
 714                 }
 715                 if ( 0 == $u->getID() ) {
 716                         $this->mainLoginForm( wfMsgWikiHtml( 'nosuchuser', htmlspecialchars( $u->getName() ) ) );
 717                         return;
 718                 }
 719
 720                 # Check against password throttle
 721                 if ( $u->isPasswordReminderThrottled() ) {
 722                         global $wgPasswordReminderResendTime;
 723                         # Round the time in hours to 3 d.p., in case someone is specifying
 724                         # minutes or seconds.
 725                         $this->mainLoginForm( wfMsgExt( 'throttled-mailpassword', array( 'parsemag' ),
 726                                 round( $wgPasswordReminderResendTime, 3 ) ) );
 727                         return;
 728                 }
 729
 730                 $result = $this->mailPasswordInternal( $u, true, 'passwordremindertitle', 'passwordremindertext' );
 731                 if( WikiError::isError( $result ) ) {
 732                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 733                 } else {
 734                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ), 'success' );
 735                 }
 736         }
 737
 738
 739         /**
 740          * @param $u User object
 741          * @param $throttle Boolean
 742          * @param $emailTitle String: message name of email title
 743          * @param $emailText String: message name of email text
 744          * @return Mixed: true on success, WikiError on failure
 745          * @private
 746          */
 747         function mailPasswordInternal( $u, $throttle = true, $emailTitle = 'passwordremindertitle', $emailText = 'passwordremindertext' ) {
 748                 global $wgServer, $wgScript, $wgUser, $wgNewPasswordExpiry;
 749
 750                 if ( $u->getEmail() == '' ) {
 751                         return new WikiError( wfMsg( 'noemail', $u->getName() ) );
 752                 }
 753                 $ip = wfGetIP();
 754                 if( !$ip ) {
 755                         return new WikiError( wfMsg( 'badipaddress' ) );
 756                 }
 757
 758                 wfRunHooks( 'User::mailPasswordInternal', array(&$wgUser, &$ip, &$u) );
 759
 760                 $np = $u->randomPassword();
 761                 $u->setNewpassword( $np, $throttle );
 762                 $u->saveSettings();
 763                 $userLanguage = $u->getOption( 'language' );
 764                 $m = wfMsgExt( $emailText, array( 'parsemag', 'language' => $userLanguage ), $ip, $u->getName(), $np,
 765                                 $wgServer . $wgScript, round( $wgNewPasswordExpiry / 86400 ) );
 766                 $result = $u->sendMail( wfMsgExt( $emailTitle, array( 'parsemag', 'language' => $userLanguage ) ), $m );
 767
 768                 return $result;
 769         }
 770
 771
 772         /**
 773          * Run any hooks registered for logins, then HTTP redirect to
 774          * $this->mReturnTo (or Main Page if that's undefined).  Formerly we had a
 775          * nice message here, but that's really not as useful as just being sent to
 776          * wherever you logged in from.  It should be clear that the action was
 777          * successful, given the lack of error messages plus the appearance of your
 778          * name in the upper right.
 779          *
 780          * @private
 781          */
 782         function successfulLogin() {
 783                 global $wgUser, $wgOut;
 784
 785                 # Run any hooks; display injected HTML if any, else redirect
 786                 $injected_html = '';
 787                 wfRunHooks('UserLoginComplete', array(&$wgUser, &$injected_html));
 788
 789                 if( $injected_html !== '' ) {
 790                         $this->displaySuccessfulLogin( 'loginsuccess', $injected_html );
 791                 } else {
 792                         $titleObj = Title::newFromText( $this->mReturnTo );
 793                         if ( !$titleObj instanceof Title ) {
 794                                 $titleObj = Title::newMainPage();
 795                         }
 796                         $wgOut->redirect( $titleObj->getFullURL( $this->mReturnToQuery ) );
 797                 }
 798         }
 799
 800         /**
 801          * Run any hooks registered for logins, then display a message welcoming
 802          * the user.
 803          *
 804          * @private
 805          */
 806         function successfulCreation() {
 807                 global $wgUser, $wgOut;
 808
 809                 # Run any hooks; display injected HTML
 810                 $injected_html = '';
 811                 wfRunHooks('UserLoginComplete', array(&$wgUser, &$injected_html));
 812
 813                 $this->displaySuccessfulLogin( 'welcomecreation', $injected_html );
 814         }
 815
 816         /**
 817          * Display a "login successful" page.
 818          */
 819         private function displaySuccessfulLogin( $msgname, $injected_html ) {
 820                 global $wgOut, $wgUser;
 821
 822                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 823                 $wgOut->setRobotPolicy( 'noindex,nofollow' );
 824                 $wgOut->setArticleRelated( false );
 825                 $wgOut->addWikiMsg( $msgname, $wgUser->getName() );
 826                 $wgOut->addHTML( $injected_html );
 827
 828                 if ( !empty( $this->mReturnTo ) ) {
 829                         $wgOut->returnToMain( null, $this->mReturnTo, $this->mReturnToQuery );
 830                 } else {
 831                         $wgOut->returnToMain( null );
 832                 }
 833         }
 834
 835         /** */
 836         function userNotPrivilegedMessage($errors) {
 837                 global $wgOut;
 838
 839                 $wgOut->setPageTitle( wfMsg( 'permissionserrors' ) );
 840                 $wgOut->setRobotPolicy( 'noindex,nofollow' );
 841                 $wgOut->setArticleRelated( false );
 842
 843                 $wgOut->addWikitext( $wgOut->formatPermissionsErrorMessage( $errors, 'createaccount' ) );
 844                 // Stuff that might want to be added at the end. For example, instruc-
 845                 // tions if blocked.
 846                 $wgOut->addWikiMsg( 'cantcreateaccount-nonblock-text' );
 847
 848                 $wgOut->returnToMain( false );
 849         }
 850
 851         /** */
 852         function userBlockedMessage() {
 853                 global $wgOut, $wgUser;
 854
 855                 # Let's be nice about this, it's likely that this feature will be used
 856                 # for blocking large numbers of innocent people, e.g. range blocks on
 857                 # schools. Don't blame it on the user. There's a small chance that it
 858                 # really is the user's fault, i.e. the username is blocked and they
 859                 # haven't bothered to log out before trying to create an account to
 860                 # evade it, but we'll leave that to their guilty conscience to figure
 861                 # out.
 862
 863                 $wgOut->setPageTitle( wfMsg( 'cantcreateaccounttitle' ) );
 864                 $wgOut->setRobotPolicy( 'noindex,nofollow' );
 865                 $wgOut->setArticleRelated( false );
 866
 867                 $ip = wfGetIP();
 868                 $blocker = User::whoIs( $wgUser->mBlock->mBy );
 869                 $block_reason = $wgUser->mBlock->mReason;
 870
 871                 if ( strval( $block_reason ) === '' ) {
 872                         $block_reason = wfMsg( 'blockednoreason' );
 873                 }
 874                 $wgOut->addWikiMsg( 'cantcreateaccount-text', $ip, $block_reason, $blocker );
 875                 $wgOut->returnToMain( false );
 876         }
 877
 878         /**
 879          * @private
 880          */
 881         function mainLoginForm( $msg, $msgtype = 'error' ) {
 882                 global $wgUser, $wgOut, $wgHiddenPrefs, $wgEnableEmail;
 883                 global $wgCookiePrefix, $wgLoginLanguageSelector;
 884                 global $wgAuth, $wgEmailConfirmToEdit, $wgCookieExpiration;
 885
 886                 $titleObj = SpecialPage::getTitleFor( 'Userlogin' );
 887
 888                 if ( $this->mType == 'signup' ) {
 889                         // Block signup here if in readonly. Keeps user from
 890                         // going through the process (filling out data, etc)
 891                         // and being informed later.
 892                         if ( wfReadOnly() ) {
 893                                 $wgOut->readOnlyPage();
 894                                 return;
 895                         } elseif ( $wgUser->isBlockedFromCreateAccount() ) {
 896                                 $this->userBlockedMessage();
 897                                 return;
 898                         } elseif ( count( $permErrors = $titleObj->getUserPermissionsErrors( 'createaccount', $wgUser, true ) )>0 ) {
 899                                 $wgOut->showPermissionsErrorPage( $permErrors, 'createaccount' );
 900                                 return;
 901                         }
 902                 }
 903
 904                 if ( $this->mName == '' ) {
 905                         if ( $wgUser->isLoggedIn() ) {
 906                                 $this->mName = $wgUser->getName();
 907                         } else {
 908                                 $this->mName = isset( $_COOKIE[$wgCookiePrefix.'UserName'] ) ? $_COOKIE[$wgCookiePrefix.'UserName'] : null;
 909                         }
 910                 }
 911
 912                 $titleObj = SpecialPage::getTitleFor( 'Userlogin' );
 913
 914                 if ( $this->mType == 'signup' ) {
 915                         $template = new UsercreateTemplate();
 916                         $q = 'action=submitlogin&type=signup';
 917                         $linkq = 'type=login';
 918                         $linkmsg = 'gotaccount';
 919                 } else {
 920                         $template = new UserloginTemplate();
 921                         $q = 'action=submitlogin&type=login';
 922                         $linkq = 'type=signup';
 923                         $linkmsg = 'nologin';
 924                 }
 925
 926                 if ( !empty( $this->mReturnTo ) ) {
 927                         $returnto = '&returnto=' . wfUrlencode( $this->mReturnTo );
 928                         if ( !empty( $this->mReturnToQuery ) )
 929                                 $returnto .= '&returntoquery=' .
 930                                         wfUrlencode( $this->mReturnToQuery );
 931                         $q .= $returnto;
 932                         $linkq .= $returnto;
 933                 }
 934
 935                 # Pass any language selection on to the mode switch link
 936                 if( $wgLoginLanguageSelector && $this->mLanguage )
 937                         $linkq .= '&uselang=' . $this->mLanguage;
 938
 939                 $link = '<a href="' . htmlspecialchars ( $titleObj->getLocalUrl( $linkq ) ) . '">';
 940                 $link .= wfMsgHtml( $linkmsg . 'link' ); # Calling either 'gotaccountlink' or 'nologinlink'
 941                 $link .= '</a>';
 942
 943                 # Don't show a "create account" link if the user can't
 944                 if( $this->showCreateOrLoginLink( $wgUser ) )
 945                         $template->set( 'link', wfMsgWikiHtml( $linkmsg, $link ) );
 946                 else
 947                         $template->set( 'link', '' );
 948
 949                 $template->set( 'header', '' );
 950                 $template->set( 'name', $this->mName );
 951                 $template->set( 'password', $this->mPassword );
 952                 $template->set( 'retype', $this->mRetype );
 953                 $template->set( 'email', $this->mEmail );
 954                 $template->set( 'realname', $this->mRealName );
 955                 $template->set( 'domain', $this->mDomain );
 956
 957                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 958                 $template->set( 'message', $msg );
 959                 $template->set( 'messagetype', $msgtype );
 960                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 961                 $template->set( 'userealname', !in_array( 'realname', $wgHiddenPrefs ) );
 962                 $template->set( 'useemail', $wgEnableEmail );
 963                 $template->set( 'emailrequired', $wgEmailConfirmToEdit );
 964                 $template->set( 'canreset', $wgAuth->allowPasswordChange() );
 965                 $template->set( 'canremember', ( $wgCookieExpiration > 0 ) );
 966                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 967
 968                 if ( !self::getLoginToken() ) {
 969                         self::setLoginToken();
 970                 }
 971                 $template->set( 'token', self::getLoginToken() );
 972
 973                 # Prepare language selection links as needed
 974                 if( $wgLoginLanguageSelector ) {
 975                         $template->set( 'languages', $this->makeLanguageSelector() );
 976                         if( $this->mLanguage )
 977                                 $template->set( 'uselang', $this->mLanguage );
 978                 }
 979
 980                 // Give authentication and captcha plugins a chance to modify the form
 981                 $wgAuth->modifyUITemplate( $template, $this->mType );
 982                 if ( $this->mType == 'signup' ) {
 983                         wfRunHooks( 'UserCreateForm', array( &$template ) );
 984                 } else {
 985                         wfRunHooks( 'UserLoginForm', array( &$template ) );
 986                 }
 987
 988                 //Changes the title depending on permissions for creating account
 989                 if ( $wgUser->isAllowed( 'createaccount' ) ) {
 990                         $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 991                 } else {
 992                         $wgOut->setPageTitle( wfMsg( 'userloginnocreate' ) );
 993                 }
 994
 995                 $wgOut->setRobotPolicy( 'noindex,nofollow' );
 996                 $wgOut->setArticleRelated( false );
 997                 $wgOut->disallowUserJs();  // just in case...
 998                 $wgOut->addTemplate( $template );
 999         }
1000
1001         /**
1002          * @private
1003          */
1004         function showCreateOrLoginLink( &$user ) {
1005                 if( $this->mType == 'signup' ) {
1006                         return( true );
1007                 } elseif( $user->isAllowed( 'createaccount' ) ) {
1008                         return( true );
1009                 } else {
1010                         return( false );
1011                 }
1012         }
1013
1014         /**
1015          * Check if a session cookie is present.
1016          *
1017          * This will not pick up a cookie set during _this_ request, but is meant
1018          * to ensure that the client is returning the cookie which was set on a
1019          * previous pass through the system.
1020          *
1021          * @private
1022          */
1023         function hasSessionCookie() {
1024                 global $wgDisableCookieCheck, $wgRequest;
1025                 return $wgDisableCookieCheck ? true : $wgRequest->checkSessionCookie();
1026         }
1027
1028         /**
1029          * Get the login token from the current session
1030          */
1031         public static function getLoginToken() {
1032                 global $wgRequest;
1033                 return $wgRequest->getSessionData( 'wsLoginToken' );
1034         }
1035
1036         /**
1037          * Generate a new login token and attach it to the current session
1038          */
1039         public static function setLoginToken() {
1040                 global $wgRequest;
1041                 // Use User::generateToken() instead of $user->editToken()
1042                 // because the latter reuses $_SESSION['wsEditToken']
1043                 $wgRequest->setSessionData( 'wsLoginToken', User::generateToken() );
1044         }
1045
1046         /**
1047          * Remove any login token attached to the current session
1048          */
1049         public static  function clearLoginToken() {
1050                 global $wgRequest;
1051                 $wgRequest->setSessionData( 'wsLoginToken', null );
1052         }
1053
1054         /**
1055          * @private
1056          */
1057         function cookieRedirectCheck( $type ) {
1058                 global $wgOut;
1059
1060                 $titleObj = SpecialPage::getTitleFor( 'Userlogin' );
1061                 $query = array( 'wpCookieCheck' => $type );
1062                 if ( $this->mReturnTo ) $query['returnto'] = $this->mReturnTo;
1063                 $check = $titleObj->getFullURL( $query );
1064
1065                 return $wgOut->redirect( $check );
1066         }
1067
1068         /**
1069          * @private
1070          */
1071         function onCookieRedirectCheck( $type ) {
1072                 if ( !$this->hasSessionCookie() ) {
1073                         if ( $type == 'new' ) {
1074                                 return $this->mainLoginForm( wfMsgExt( 'nocookiesnew', array( 'parseinline' ) ) );
1075                         } else if ( $type == 'login' ) {
1076                                 return $this->mainLoginForm( wfMsgExt( 'nocookieslogin', array( 'parseinline' ) ) );
1077                         } else {
1078                                 # shouldn't happen
1079                                 return $this->mainLoginForm( wfMsg( 'error' ) );
1080                         }
1081                 } else {
1082                         return $this->successfulLogin();
1083                 }
1084         }
1085
1086         /**
1087          * @private
1088          */
1089         function throttleHit( $limit ) {
1090                 $this->mainLoginForm( wfMsgExt( 'acct_creation_throttle_hit', array( 'parseinline' ), $limit ) );
1091         }
1092
1093         /**
1094          * Produce a bar of links which allow the user to select another language
1095          * during login/registration but retain "returnto"
1096          *
1097          * @return string
1098          */
1099         function makeLanguageSelector() {
1100                 global $wgLang;
1101
1102                 $msg = wfMsgForContent( 'loginlanguagelinks' );
1103                 if( $msg != '' && !wfEmptyMsg( 'loginlanguagelinks', $msg ) ) {
1104                         $langs = explode( "\n", $msg );
1105                         $links = array();
1106                         foreach( $langs as $lang ) {
1107                                 $lang = trim( $lang, '* ' );
1108                                 $parts = explode( '|', $lang );
1109                                 if (count($parts) >= 2) {
1110                                         $links[] = $this->makeLanguageSelectorLink( $parts[0], $parts[1] );
1111                                 }
1112                         }
1113                         return count( $links ) > 0 ? wfMsgHtml( 'loginlanguagelabel', $wgLang->pipeList( $links ) ) : '';
1114                 } else {
1115                         return '';
1116                 }
1117         }
1118
1119         /**
1120          * Create a language selector link for a particular language
1121          * Links back to this page preserving type and returnto
1122          *
1123          * @param $text Link text
1124          * @param $lang Language code
1125          */
1126         function makeLanguageSelectorLink( $text, $lang ) {
1127                 global $wgUser;
1128                 $self = SpecialPage::getTitleFor( 'Userlogin' );
1129                 $attr = array( 'uselang' => $lang );
1130                 if( $this->mType == 'signup' )
1131                         $attr['type'] = 'signup';
1132                 if( $this->mReturnTo )
1133                         $attr['returnto'] = $this->mReturnTo;
1134                 $skin = $wgUser->getSkin();
1135                 return $skin->linkKnown(
1136                         $self,
1137                         htmlspecialchars( $text ),
1138                         array(),
1139                         $attr
1140                 );
1141         }
1142 }