includes/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
  37         var $mName, $mPassword, $mRetype, $mReturnTo, $mCookieCheck, $mPosted;
  38         var $mAction, $mCreateaccount, $mCreateaccountMail, $mMailmypassword;
  39         var $mLoginattempt, $mRemember, $mEmail, $mDomain, $mLanguage;
  40
  41         /**
  42          * Constructor
  43          * @param WebRequest $request A WebRequest object passed by reference
  44          */
  45         function LoginForm( &$request, $par = '' ) {
  46                 global $wgLang, $wgAllowRealName, $wgEnableEmail;
  47                 global $wgAuth;
  48
  49                 $this->mType = ( $par == 'signup' ) ? $par : $request->getText( 'type' ); # Check for [[Special:Userlogin/signup]]
  50                 $this->mName = $request->getText( 'wpName' );
  51                 $this->mPassword = $request->getText( 'wpPassword' );
  52                 $this->mRetype = $request->getText( 'wpRetype' );
  53                 $this->mDomain = $request->getText( 'wpDomain' );
  54                 $this->mReturnTo = $request->getVal( 'returnto' );
  55                 $this->mCookieCheck = $request->getVal( 'wpCookieCheck' );
  56                 $this->mPosted = $request->wasPosted();
  57                 $this->mCreateaccount = $request->getCheck( 'wpCreateaccount' );
  58                 $this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' )
  59                                             && $wgEnableEmail;
  60                 $this->mMailmypassword = $request->getCheck( 'wpMailmypassword' )
  61                                          && $wgEnableEmail;
  62                 $this->mLoginattempt = $request->getCheck( 'wpLoginattempt' );
  63                 $this->mAction = $request->getVal( 'action' );
  64                 $this->mRemember = $request->getCheck( 'wpRemember' );
  65                 $this->mLanguage = $request->getText( 'uselang' );
  66
  67                 if( $wgEnableEmail ) {
  68                         $this->mEmail = $request->getText( 'wpEmail' );
  69                 } else {
  70                         $this->mEmail = '';
  71                 }
  72                 if( $wgAllowRealName ) {
  73                     $this->mRealName = $request->getText( 'wpRealName' );
  74                 } else {
  75                     $this->mRealName = '';
  76                 }
  77
  78                 if( !$wgAuth->validDomain( $this->mDomain ) ) {
  79                         $this->mDomain = 'invaliddomain';
  80                 }
  81                 $wgAuth->setDomain( $this->mDomain );
  82
  83                 # When switching accounts, it sucks to get automatically logged out
  84                 if( $this->mReturnTo == $wgLang->specialPage( 'Userlogout' ) ) {
  85                         $this->mReturnTo = '';
  86                 }
  87         }
  88
  89         function execute() {
  90                 if ( !is_null( $this->mCookieCheck ) ) {
  91                         $this->onCookieRedirectCheck( $this->mCookieCheck );
  92                         return;
  93                 } else if( $this->mPosted ) {
  94                         if( $this->mCreateaccount ) {
  95                                 return $this->addNewAccount();
  96                         } else if ( $this->mCreateaccountMail ) {
  97                                 return $this->addNewAccountMailPassword();
  98                         } else if ( $this->mMailmypassword ) {
  99                                 return $this->mailPassword();
 100                         } else if ( ( 'submitlogin' == $this->mAction ) || $this->mLoginattempt ) {
 101                                 return $this->processLogin();
 102                         }
 103                 }
 104                 $this->mainLoginForm( '' );
 105         }
 106
 107         /**
 108          * @private
 109          */
 110         function addNewAccountMailPassword() {
 111                 global $wgOut;
 112
 113                 if ('' == $this->mEmail) {
 114                         $this->mainLoginForm( wfMsg( 'noemail', htmlspecialchars( $this->mName ) ) );
 115                         return;
 116                 }
 117
 118                 $u = $this->addNewaccountInternal();
 119
 120                 if ($u == NULL) {
 121                         return;
 122                 }
 123
 124                 // Wipe the initial password and mail a temporary one
 125                 $u->setPassword( null );
 126                 $u->saveSettings();
 127                 $result = $this->mailPasswordInternal( $u, false, 'createaccount-title', 'createaccount-text' );
 128
 129                 wfRunHooks( 'AddNewAccount', array( $u, true ) );
 130
 131                 $wgOut->setPageTitle( wfMsg( 'accmailtitle' ) );
 132                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 133                 $wgOut->setArticleRelated( false );
 134
 135                 if( WikiError::isError( $result ) ) {
 136                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 137                 } else {
 138                         $wgOut->addWikiMsg( 'accmailtext', $u->getName(), $u->getEmail() );
 139                         $wgOut->returnToMain( false );
 140                 }
 141                 $u = 0;
 142         }
 143
 144
 145         /**
 146          * @private
 147          */
 148         function addNewAccount() {
 149                 global $wgUser, $wgEmailAuthentication;
 150
 151                 # Create the account and abort if there's a problem doing so
 152                 $u = $this->addNewAccountInternal();
 153                 if( $u == NULL )
 154                         return;
 155
 156                 # If we showed up language selection links, and one was in use, be
 157                 # smart (and sensible) and save that language as the user's preference
 158                 global $wgLoginLanguageSelector;
 159                 if( $wgLoginLanguageSelector && $this->mLanguage )
 160                         $u->setOption( 'language', $this->mLanguage );
 161
 162                 # Send out an email authentication message if needed
 163                 if( $wgEmailAuthentication && User::isValidEmailAddr( $u->getEmail() ) ) {
 164                         global $wgOut;
 165                         $error = $u->sendConfirmationMail();
 166                         if( WikiError::isError( $error ) ) {
 167                                 $wgOut->addWikiMsg( 'confirmemail_sendfailed', $error->getMessage() );
 168                         } else {
 169                                 $wgOut->addWikiMsg( 'confirmemail_oncreate' );
 170                         }
 171                 }
 172
 173                 # Save settings (including confirmation token)
 174                 $u->saveSettings();
 175
 176                 # If not logged in, assume the new account as the current one and set session cookies
 177                 # then show a "welcome" message or a "need cookies" message as needed
 178                 if( $wgUser->isAnon() ) {
 179                         $wgUser = $u;
 180                         $wgUser->setCookies();
 181                         wfRunHooks( 'AddNewAccount', array( $wgUser ) );
 182                         if( $this->hasSessionCookie() ) {
 183                                 return $this->successfulLogin( wfMsg( 'welcomecreation', $wgUser->getName() ), false );
 184                         } else {
 185                                 return $this->cookieRedirectCheck( 'new' );
 186                         }
 187                 } else {
 188                         # Confirm that the account was created
 189                         global $wgOut;
 190                         $self = SpecialPage::getTitleFor( 'Userlogin' );
 191                         $wgOut->setPageTitle( wfMsgHtml( 'accountcreated' ) );
 192                         $wgOut->setArticleRelated( false );
 193                         $wgOut->setRobotPolicy( 'noindex,nofollow' );
 194                         $wgOut->addHtml( wfMsgWikiHtml( 'accountcreatedtext', $u->getName() ) );
 195                         $wgOut->returnToMain( false, $self );
 196                         wfRunHooks( 'AddNewAccount', array( $u ) );
 197                         return true;
 198                 }
 199         }
 200
 201         /**
 202          * @private
 203          */
 204         function addNewAccountInternal() {
 205                 global $wgUser, $wgOut;
 206                 global $wgEnableSorbs, $wgProxyWhitelist;
 207                 global $wgMemc, $wgAccountCreationThrottle;
 208                 global $wgAuth, $wgMinimalPasswordLength;
 209                 global $wgEmailConfirmToEdit;
 210
 211                 // If the user passes an invalid domain, something is fishy
 212                 if( !$wgAuth->validDomain( $this->mDomain ) ) {
 213                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 214                         return false;
 215                 }
 216
 217                 // If we are not allowing users to login locally, we should
 218                 // be checking to see if the user is actually able to
 219                 // authenticate to the authentication server before they
 220                 // create an account (otherwise, they can create a local account
 221                 // and login as any domain user). We only need to check this for
 222                 // domains that aren't local.
 223                 if( 'local' != $this->mDomain && '' != $this->mDomain ) {
 224                         if( !$wgAuth->canCreateAccounts() && ( !$wgAuth->userExists( $this->mName ) || !$wgAuth->authenticate( $this->mName, $this->mPassword ) ) ) {
 225                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 226                                 return false;
 227                         }
 228                 }
 229
 230                 if ( wfReadOnly() ) {
 231                         $wgOut->readOnlyPage();
 232                         return false;
 233                 }
 234
 235                 # Check permissions
 236                 if ( !$wgUser->isAllowed( 'createaccount' ) ) {
 237                         $this->userNotPrivilegedMessage();
 238                         return false;
 239                 } elseif ( $wgUser->isBlockedFromCreateAccount() ) {
 240                         $this->userBlockedMessage();
 241                         return false;
 242                 }
 243
 244                 $ip = wfGetIP();
 245                 if ( $wgEnableSorbs && !in_array( $ip, $wgProxyWhitelist ) &&
 246                   $wgUser->inSorbsBlacklist( $ip ) )
 247                 {
 248                         $this->mainLoginForm( wfMsg( 'sorbs_create_account_reason' ) . ' (' . htmlspecialchars( $ip ) . ')' );
 249                         return;
 250                 }
 251
 252                 # Now create a dummy user ($u) and check if it is valid
 253                 $name = trim( $this->mName );
 254                 $u = User::newFromName( $name, 'creatable' );
 255                 if ( is_null( $u ) ) {
 256                         $this->mainLoginForm( wfMsg( 'noname' ) );
 257                         return false;
 258                 }
 259
 260                 if ( 0 != $u->idForName() ) {
 261                         $this->mainLoginForm( wfMsg( 'userexists' ) );
 262                         return false;
 263                 }
 264
 265                 if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 266                         $this->mainLoginForm( wfMsg( 'badretype' ) );
 267                         return false;
 268                 }
 269
 270                 # check for minimal password length
 271                 if ( !$u->isValidPassword( $this->mPassword ) ) {
 272                         if ( !$this->mCreateaccountMail ) {
 273                                 $this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
 274                                 return false;
 275                         } else {
 276                                 # do not force a password for account creation by email
 277                                 # set invalid password, it will be replaced later by a random generated password
 278                                 $this->mPassword = null;
 279                         }
 280                 }
 281
 282                 # if you need a confirmed email address to edit, then obviously you need an email address.
 283                 if ( $wgEmailConfirmToEdit && empty( $this->mEmail ) ) {
 284                         $this->mainLoginForm( wfMsg( 'noemailtitle' ) );
 285                         return false;
 286                 }
 287
 288                 if( !empty( $this->mEmail ) && !User::isValidEmailAddr( $this->mEmail ) ) {
 289                         $this->mainLoginForm( wfMsg( 'invalidemailaddress' ) );
 290                         return false;
 291                 }
 292
 293                 # Set some additional data so the AbortNewAccount hook can be
 294                 # used for more than just username validation
 295                 $u->setEmail( $this->mEmail );
 296                 $u->setRealName( $this->mRealName );
 297
 298                 $abortError = '';
 299                 if( !wfRunHooks( 'AbortNewAccount', array( $u, &$abortError ) ) ) {
 300                         // Hook point to add extra creation throttles and blocks
 301                         wfDebug( "LoginForm::addNewAccountInternal: a hook blocked creation\n" );
 302                         $this->mainLoginForm( $abortError );
 303                         return false;
 304                 }
 305
 306                 if ( $wgAccountCreationThrottle && $wgUser->isPingLimitable() ) {
 307                         $key = wfMemcKey( 'acctcreate', 'ip', $ip );
 308                         $value = $wgMemc->incr( $key );
 309                         if ( !$value ) {
 310                                 $wgMemc->set( $key, 1, 86400 );
 311                         }
 312                         if ( $value > $wgAccountCreationThrottle ) {
 313                                 $this->throttleHit( $wgAccountCreationThrottle );
 314                                 return false;
 315                         }
 316                 }
 317
 318                 if( !$wgAuth->addUser( $u, $this->mPassword, $this->mEmail, $this->mRealName ) ) {
 319                         $this->mainLoginForm( wfMsg( 'externaldberror' ) );
 320                         return false;
 321                 }
 322
 323                 return $this->initUser( $u, false );
 324         }
 325
 326         /**
 327          * Actually add a user to the database.
 328          * Give it a User object that has been initialised with a name.
 329          *
 330          * @param $u User object.
 331          * @param $autocreate boolean -- true if this is an autocreation via auth plugin
 332          * @return User object.
 333          * @private
 334          */
 335         function initUser( $u, $autocreate ) {
 336                 global $wgAuth;
 337
 338                 $u->addToDatabase();
 339
 340                 if ( $wgAuth->allowPasswordChange() ) {
 341                         $u->setPassword( $this->mPassword );
 342                 }
 343
 344                 $u->setEmail( $this->mEmail );
 345                 $u->setRealName( $this->mRealName );
 346                 $u->setToken();
 347
 348                 $wgAuth->initUser( $u, $autocreate );
 349
 350                 $u->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
 351                 $u->saveSettings();
 352
 353                 # Update user count
 354                 $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
 355                 $ssUpdate->doUpdate();
 356
 357                 return $u;
 358         }
 359
 360         /**
 361          * Internally authenticate the login request.
 362          *
 363          * This may create a local account as a side effect if the
 364          * authentication plugin allows transparent local account
 365          * creation.
 366          *
 367          * @public
 368          */
 369         function authenticateUserData() {
 370                 global $wgUser, $wgAuth;
 371                 if ( '' == $this->mName ) {
 372                         return self::NO_NAME;
 373                 }
 374
 375                 // Load $wgUser now, and check to see if we're logging in as the same name.
 376                 // This is necessary because loading $wgUser (say by calling getName()) calls
 377                 // the UserLoadFromSession hook, which potentially creates the user in the
 378                 // database. Until we load $wgUser, checking for user existence using
 379                 // User::newFromName($name)->getId() below will effectively be using stale data.
 380                 if ( $wgUser->getName() === $this->mName ) {
 381                         wfDebug( __METHOD__.": already logged in as {$this->mName}\n" );
 382                         return self::SUCCESS;
 383                 }
 384                 $u = User::newFromName( $this->mName );
 385                 if( is_null( $u ) || !User::isUsableName( $u->getName() ) ) {
 386                         return self::ILLEGAL;
 387                 }
 388
 389                 $isAutoCreated = false;
 390                 if ( 0 == $u->getID() ) {
 391                         $status = $this->attemptAutoCreate( $u );
 392                         if ( $status !== self::SUCCESS ) {
 393                                 return $status;
 394                         } else {
 395                                 $isAutoCreated = true;
 396                         }
 397                 } else {
 398                         $u->load();
 399                 }
 400
 401                 // Give general extensions, such as a captcha, a chance to abort logins
 402                 $abort = self::ABORTED;
 403                 if( !wfRunHooks( 'AbortLogin', array( $u, $this->mPassword, &$abort ) ) ) {
 404                         return $abort;
 405                 }
 406
 407                 if (!$u->checkPassword( $this->mPassword )) {
 408                         if( $u->checkTemporaryPassword( $this->mPassword ) ) {
 409                                 // The e-mailed temporary password should not be used
 410                                 // for actual logins; that's a very sloppy habit,
 411                                 // and insecure if an attacker has a few seconds to
 412                                 // click "search" on someone's open mail reader.
 413                                 //
 414                                 // Allow it to be used only to reset the password
 415                                 // a single time to a new value, which won't be in
 416                                 // the user's e-mail archives.
 417                                 //
 418                                 // For backwards compatibility, we'll still recognize
 419                                 // it at the login form to minimize surprises for
 420                                 // people who have been logging in with a temporary
 421                                 // password for some time.
 422                                 //
 423                                 // As a side-effect, we can authenticate the user's
 424                                 // e-mail address if it's not already done, since
 425                                 // the temporary password was sent via e-mail.
 426                                 //
 427                                 if( !$u->isEmailConfirmed() ) {
 428                                         $u->confirmEmail();
 429                                         $u->saveSettings();
 430                                 }
 431
 432                                 // At this point we just return an appropriate code
 433                                 // indicating that the UI should show a password
 434                                 // reset form; bot interfaces etc will probably just
 435                                 // fail cleanly here.
 436                                 //
 437                                 $retval = self::RESET_PASS;
 438                         } else {
 439                                 $retval = '' == $this->mPassword ? self::EMPTY_PASS : self::WRONG_PASS;
 440                         }
 441                 } else {
 442                         $wgAuth->updateUser( $u );
 443                         $wgUser = $u;
 444
 445                         if ( $isAutoCreated ) {
 446                                 // Must be run after $wgUser is set, for correct new user log
 447                                 wfRunHooks( 'AuthPluginAutoCreate', array( $wgUser ) );
 448                         }
 449
 450                         $retval = self::SUCCESS;
 451                 }
 452                 wfRunHooks( 'LoginAuthenticateAudit', array( $u, $this->mPassword, $retval ) );
 453                 return $retval;
 454         }
 455
 456         /**
 457          * Attempt to automatically create a user on login.
 458          * Only succeeds if there is an external authentication method which allows it.
 459          * @return integer Status code
 460          */
 461         function attemptAutoCreate( $user ) {
 462                 global $wgAuth, $wgUser;
 463                 /**
 464                  * If the external authentication plugin allows it,
 465                  * automatically create a new account for users that
 466                  * are externally defined but have not yet logged in.
 467                  */
 468                 if ( !$wgAuth->autoCreate() ) {
 469                         return self::NOT_EXISTS;
 470                 }
 471                 if ( !$wgAuth->userExists( $user->getName() ) ) {
 472                         wfDebug( __METHOD__.": user does not exist\n" );
 473                         return self::NOT_EXISTS;
 474                 }
 475                 if ( !$wgAuth->authenticate( $user->getName(), $this->mPassword ) ) {
 476                         wfDebug( __METHOD__.": \$wgAuth->authenticate() returned false, aborting\n" );
 477                         return self::WRONG_PLUGIN_PASS;
 478                 }
 479                 if ( $wgUser->isBlockedFromCreateAccount() ) {
 480                         wfDebug( __METHOD__.": user is blocked from account creation\n" );
 481                         return self::CREATE_BLOCKED;
 482                 }
 483
 484                 wfDebug( __METHOD__.": creating account\n" );
 485                 $user = $this->initUser( $user, true );
 486                 return self::SUCCESS;
 487         }
 488
 489         function processLogin() {
 490                 global $wgUser, $wgAuth;
 491
 492                 switch ($this->authenticateUserData())
 493                 {
 494                         case self::SUCCESS:
 495                                 # We've verified now, update the real record
 496                                 if( (bool)$this->mRemember != (bool)$wgUser->getOption( 'rememberpassword' ) ) {
 497                                         $wgUser->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
 498                                         $wgUser->saveSettings();
 499                                 } else {
 500                                         $wgUser->invalidateCache();
 501                                 }
 502                                 $wgUser->setCookies();
 503
 504                                 if( $this->hasSessionCookie() ) {
 505                                         /* Replace the language object to provide user interface in correct
 506                                          * language immediately on this first page load.
 507                                          */
 508                                         global $wgLang, $wgRequest;
 509                                         $code = $wgRequest->getVal( 'uselang', $wgUser->getOption( 'language' ) );
 510                                         $wgLang = Language::factory( $code );
 511                                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 512                                 } else {
 513                                         return $this->cookieRedirectCheck( 'login' );
 514                                 }
 515                                 break;
 516
 517                         case self::NO_NAME:
 518                         case self::ILLEGAL:
 519                                 $this->mainLoginForm( wfMsg( 'noname' ) );
 520                                 break;
 521                         case self::WRONG_PLUGIN_PASS:
 522                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 523                                 break;
 524                         case self::NOT_EXISTS:
 525                                 if( $wgUser->isAllowed( 'createaccount' ) ){
 526                                         $this->mainLoginForm( wfMsg( 'nosuchuser', htmlspecialchars( $this->mName ) ) );
 527                                 } else {
 528                                         $this->mainLoginForm( wfMsg( 'nosuchusershort', htmlspecialchars( $this->mName ) ) );
 529                                 }
 530                                 break;
 531                         case self::WRONG_PASS:
 532                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 533                                 break;
 534                         case self::EMPTY_PASS:
 535                                 $this->mainLoginForm( wfMsg( 'wrongpasswordempty' ) );
 536                                 break;
 537                         case self::RESET_PASS:
 538                                 $this->resetLoginForm( wfMsg( 'resetpass_announce' ) );
 539                                 break;
 540                         case self::CREATE_BLOCKED:
 541                                 $this->userBlockedMessage();
 542                                 break;
 543                         default:
 544                                 throw new MWException( "Unhandled case value" );
 545                 }
 546         }
 547
 548         function resetLoginForm( $error ) {
 549                 global $wgOut;
 550                 $wgOut->addWikiText( "<div class=\"errorbox\">$error</div>" );
 551                 $reset = new PasswordResetForm( $this->mName, $this->mPassword );
 552                 $reset->execute( null );
 553         }
 554
 555         /**
 556          * @private
 557          */
 558         function mailPassword() {
 559                 global $wgUser, $wgOut, $wgAuth;
 560
 561                 if( !$wgAuth->allowPasswordChange() ) {
 562                         $this->mainLoginForm( wfMsg( 'resetpass_forbidden' ) );
 563                         return;
 564                 }
 565
 566                 # Check against blocked IPs
 567                 # fixme -- should we not?
 568                 if( $wgUser->isBlocked() ) {
 569                         $this->mainLoginForm( wfMsg( 'blocked-mailpassword' ) );
 570                         return;
 571                 }
 572
 573                 # Check against the rate limiter
 574                 if( $wgUser->pingLimiter( 'mailpassword' ) ) {
 575                         $wgOut->rateLimited();
 576                         return;
 577                 }
 578
 579                 if ( '' == $this->mName ) {
 580                         $this->mainLoginForm( wfMsg( 'noname' ) );
 581                         return;
 582                 }
 583                 $u = User::newFromName( $this->mName );
 584                 if( is_null( $u ) ) {
 585                         $this->mainLoginForm( wfMsg( 'noname' ) );
 586                         return;
 587                 }
 588                 if ( 0 == $u->getID() ) {
 589                         $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 590                         return;
 591                 }
 592
 593                 # Check against password throttle
 594                 if ( $u->isPasswordReminderThrottled() ) {
 595                         global $wgPasswordReminderResendTime;
 596                         # Round the time in hours to 3 d.p., in case someone is specifying minutes or seconds.
 597                         $this->mainLoginForm( wfMsg( 'throttled-mailpassword',
 598                                 round( $wgPasswordReminderResendTime, 3 ) ) );
 599                         return;
 600                 }
 601
 602                 $result = $this->mailPasswordInternal( $u, true, 'passwordremindertitle', 'passwordremindertext' );
 603                 if( WikiError::isError( $result ) ) {
 604                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 605                 } else {
 606                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ), 'success' );
 607                 }
 608         }
 609
 610
 611         /**
 612          * @param object user
 613          * @param bool throttle
 614          * @param string message name of email title
 615          * @param string message name of email text
 616          * @return mixed true on success, WikiError on failure
 617          * @private
 618          */
 619         function mailPasswordInternal( $u, $throttle = true, $emailTitle = 'passwordremindertitle', $emailText = 'passwordremindertext' ) {
 620                 global $wgCookiePath, $wgCookieDomain, $wgCookiePrefix, $wgCookieSecure;
 621                 global $wgServer, $wgScript;
 622
 623                 if ( '' == $u->getEmail() ) {
 624                         return new WikiError( wfMsg( 'noemail', $u->getName() ) );
 625                 }
 626
 627                 $np = $u->randomPassword();
 628                 $u->setNewpassword( $np, $throttle );
 629                 $u->saveSettings();
 630
 631                 $ip = wfGetIP();
 632                 if ( '' == $ip ) { $ip = '(Unknown)'; }
 633
 634                 $m = wfMsg( $emailText, $ip, $u->getName(), $np, $wgServer . $wgScript );
 635                 $result = $u->sendMail( wfMsg( $emailTitle ), $m );
 636
 637                 return $result;
 638         }
 639
 640
 641         /**
 642          * @param string $msg Message that will be shown on success
 643          * @param bool $auto Toggle auto-redirect to main page; default true
 644          * @private
 645          */
 646         function successfulLogin( $msg, $auto = true ) {
 647                 global $wgUser;
 648                 global $wgOut;
 649
 650                 # Run any hooks; ignore results
 651
 652                 $injected_html = '';
 653                 wfRunHooks('UserLoginComplete', array(&$wgUser, &$injected_html));
 654
 655                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 656                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 657                 $wgOut->setArticleRelated( false );
 658                 $wgOut->addWikiText( $msg );
 659                 $wgOut->addHtml( $injected_html );
 660                 if ( !empty( $this->mReturnTo ) ) {
 661                         $wgOut->returnToMain( $auto, $this->mReturnTo );
 662                 } else {
 663                         $wgOut->returnToMain( $auto );
 664                 }
 665         }
 666
 667         /** */
 668         function userNotPrivilegedMessage($errors) {
 669                 global $wgOut;
 670
 671                 $wgOut->setPageTitle( wfMsg( 'permissionserrors' ) );
 672                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 673                 $wgOut->setArticleRelated( false );
 674
 675                 $wgOut->addWikitext( $wgOut->formatPermissionsErrorMessage( $errors, 'createaccount' ) );
 676                 // Stuff that might want to be added at the end. For example, instructions if blocked.
 677                 $wgOut->addWikiMsg( 'cantcreateaccount-nonblock-text' );
 678
 679                 $wgOut->returnToMain( false );
 680         }
 681
 682         /** */
 683         function userBlockedMessage() {
 684                 global $wgOut, $wgUser;
 685
 686                 # Let's be nice about this, it's likely that this feature will be used
 687                 # for blocking large numbers of innocent people, e.g. range blocks on
 688                 # schools. Don't blame it on the user. There's a small chance that it
 689                 # really is the user's fault, i.e. the username is blocked and they
 690                 # haven't bothered to log out before trying to create an account to
 691                 # evade it, but we'll leave that to their guilty conscience to figure
 692                 # out.
 693
 694                 $wgOut->setPageTitle( wfMsg( 'cantcreateaccounttitle' ) );
 695                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 696                 $wgOut->setArticleRelated( false );
 697
 698                 $ip = wfGetIP();
 699                 $blocker = User::whoIs( $wgUser->mBlock->mBy );
 700                 $block_reason = $wgUser->mBlock->mReason;
 701
 702                 if ( strval( $block_reason ) === '' ) {
 703                         $block_reason = wfMsg( 'blockednoreason' );
 704                 }
 705                 $wgOut->addWikiMsg( 'cantcreateaccount-text', $ip, $block_reason, $blocker );
 706                 $wgOut->returnToMain( false );
 707         }
 708
 709         /**
 710          * @private
 711          */
 712         function mainLoginForm( $msg, $msgtype = 'error' ) {
 713                 global $wgUser, $wgOut, $wgAllowRealName, $wgEnableEmail;
 714                 global $wgCookiePrefix, $wgAuth, $wgLoginLanguageSelector;
 715                 global $wgAuth, $wgEmailConfirmToEdit;
 716
 717                 $titleObj = SpecialPage::getTitleFor( 'Userlogin' );
 718
 719                 if ( $this->mType == 'signup' ) {
 720                         if ( $wgUser->isBlockedFromCreateAccount() ) {
 721                                 $this->userBlockedMessage();
 722                                 return;
 723                         } elseif ( count( $permErrors = $titleObj->getUserPermissionsErrors( 'createaccount', $wgUser, true ) )>0 ) {
 724                                 $wgOut->showPermissionsErrorPage( $permErrors, 'createaccount' );
 725                                 return;
 726                         }
 727                 }
 728
 729                 if ( '' == $this->mName ) {
 730                         if ( $wgUser->isLoggedIn() ) {
 731                                 $this->mName = $wgUser->getName();
 732                         } else {
 733                                 $this->mName = isset( $_COOKIE[$wgCookiePrefix.'UserName'] ) ? $_COOKIE[$wgCookiePrefix.'UserName'] : null;
 734                         }
 735                 }
 736
 737                 $titleObj = SpecialPage::getTitleFor( 'Userlogin' );
 738
 739                 if ( $this->mType == 'signup' ) {
 740                         $template = new UsercreateTemplate();
 741                         $q = 'action=submitlogin&type=signup';
 742                         $linkq = 'type=login';
 743                         $linkmsg = 'gotaccount';
 744                 } else {
 745                         $template = new UserloginTemplate();
 746                         $q = 'action=submitlogin&type=login';
 747                         $linkq = 'type=signup';
 748                         $linkmsg = 'nologin';
 749                 }
 750
 751                 if ( !empty( $this->mReturnTo ) ) {
 752                         $returnto = '&returnto=' . wfUrlencode( $this->mReturnTo );
 753                         $q .= $returnto;
 754                         $linkq .= $returnto;
 755                 }
 756
 757                 # Pass any language selection on to the mode switch link
 758                 if( $wgLoginLanguageSelector && $this->mLanguage )
 759                         $linkq .= '&uselang=' . $this->mLanguage;
 760
 761                 $link = '<a href="' . htmlspecialchars ( $titleObj->getLocalUrl( $linkq ) ) . '">';
 762                 $link .= wfMsgHtml( $linkmsg . 'link' ); # Calling either 'gotaccountlink' or 'nologinlink'
 763                 $link .= '</a>';
 764
 765                 # Don't show a "create account" link if the user can't
 766                 if( $this->showCreateOrLoginLink( $wgUser ) )
 767                         $template->set( 'link', wfMsgHtml( $linkmsg, $link ) );
 768                 else
 769                         $template->set( 'link', '' );
 770
 771                 $template->set( 'header', '' );
 772                 $template->set( 'name', $this->mName );
 773                 $template->set( 'password', $this->mPassword );
 774                 $template->set( 'retype', $this->mRetype );
 775                 $template->set( 'email', $this->mEmail );
 776                 $template->set( 'realname', $this->mRealName );
 777                 $template->set( 'domain', $this->mDomain );
 778
 779                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 780                 $template->set( 'message', $msg );
 781                 $template->set( 'messagetype', $msgtype );
 782                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 783                 $template->set( 'userealname', $wgAllowRealName );
 784                 $template->set( 'useemail', $wgEnableEmail );
 785                 $template->set( 'emailrequired', $wgEmailConfirmToEdit );
 786                 $template->set( 'canreset', $wgAuth->allowPasswordChange() );
 787                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 788
 789                 # Prepare language selection links as needed
 790                 if( $wgLoginLanguageSelector ) {
 791                         $template->set( 'languages', $this->makeLanguageSelector() );
 792                         if( $this->mLanguage )
 793                                 $template->set( 'uselang', $this->mLanguage );
 794                 }
 795
 796                 // Give authentication and captcha plugins a chance to modify the form
 797                 $wgAuth->modifyUITemplate( $template );
 798                 if ( $this->mType == 'signup' ) {
 799                         wfRunHooks( 'UserCreateForm', array( &$template ) );
 800                 } else {
 801                         wfRunHooks( 'UserLoginForm', array( &$template ) );
 802                 }
 803
 804                 $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 805                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 806                 $wgOut->setArticleRelated( false );
 807                 $wgOut->disallowUserJs();  // just in case...
 808                 $wgOut->addTemplate( $template );
 809         }
 810
 811         /**
 812          * @private
 813          */
 814         function showCreateOrLoginLink( &$user ) {
 815                 if( $this->mType == 'signup' ) {
 816                         return( true );
 817                 } elseif( $user->isAllowed( 'createaccount' ) ) {
 818                         return( true );
 819                 } else {
 820                         return( false );
 821                 }
 822         }
 823
 824         /**
 825          * Check if a session cookie is present.
 826          *
 827          * This will not pick up a cookie set during _this_ request, but is
 828          * meant to ensure that the client is returning the cookie which was
 829          * set on a previous pass through the system.
 830          *
 831          * @private
 832          */
 833         function hasSessionCookie() {
 834                 global $wgDisableCookieCheck, $wgRequest;
 835                 return $wgDisableCookieCheck ? true : $wgRequest->checkSessionCookie();
 836         }
 837
 838         /**
 839          * @private
 840          */
 841         function cookieRedirectCheck( $type ) {
 842                 global $wgOut;
 843
 844                 $titleObj = SpecialPage::getTitleFor( 'Userlogin' );
 845                 $check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
 846
 847                 return $wgOut->redirect( $check );
 848         }
 849
 850         /**
 851          * @private
 852          */
 853         function onCookieRedirectCheck( $type ) {
 854                 global $wgUser;
 855
 856                 if ( !$this->hasSessionCookie() ) {
 857                         if ( $type == 'new' ) {
 858                                 return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
 859                         } else if ( $type == 'login' ) {
 860                                 return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
 861                         } else {
 862                                 # shouldn't happen
 863                                 return $this->mainLoginForm( wfMsg( 'error' ) );
 864                         }
 865                 } else {
 866                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 867                 }
 868         }
 869
 870         /**
 871          * @private
 872          */
 873         function throttleHit( $limit ) {
 874                 global $wgOut;
 875
 876                 $wgOut->addWikiMsg( 'acct_creation_throttle_hit', $limit );
 877         }
 878
 879         /**
 880          * Produce a bar of links which allow the user to select another language
 881          * during login/registration but retain "returnto"
 882          *
 883          * @return string
 884          */
 885         function makeLanguageSelector() {
 886                 $msg = wfMsgForContent( 'loginlanguagelinks' );
 887                 if( $msg != '' && !wfEmptyMsg( 'loginlanguagelinks', $msg ) ) {
 888                         $langs = explode( "\n", $msg );
 889                         $links = array();
 890                         foreach( $langs as $lang ) {
 891                                 $lang = trim( $lang, '* ' );
 892                                 $parts = explode( '|', $lang );
 893                                 if (count($parts) >= 2) {
 894                                         $links[] = $this->makeLanguageSelectorLink( $parts[0], $parts[1] );
 895                                 }
 896                         }
 897                         return count( $links ) > 0 ? wfMsgHtml( 'loginlanguagelabel', implode( ' | ', $links ) ) : '';
 898                 } else {
 899                         return '';
 900                 }
 901         }
 902
 903         /**
 904          * Create a language selector link for a particular language
 905          * Links back to this page preserving type and returnto
 906          *
 907          * @param $text Link text
 908          * @param $lang Language code
 909          */
 910         function makeLanguageSelectorLink( $text, $lang ) {
 911                 global $wgUser;
 912                 $self = SpecialPage::getTitleFor( 'Userlogin' );
 913                 $attr[] = 'uselang=' . $lang;
 914                 if( $this->mType == 'signup' )
 915                         $attr[] = 'type=signup';
 916                 if( $this->mReturnTo )
 917                         $attr[] = 'returnto=' . $this->mReturnTo;
 918                 $skin = $wgUser->getSkin();
 919                 return $skin->makeKnownLinkObj( $self, htmlspecialchars( $text ), implode( '&', $attr ) );
 920         }
 921 }