includes/SpecialUserlogin.php

   1 <?php
   2 /**
   3  *
   4  * @package MediaWiki
   5  * @subpackage SpecialPage
   6  */
   7
   8 /**
   9  * constructor
  10  */
  11 function wfSpecialUserlogin() {
  12         global $wgCommandLineMode;
  13         global $wgRequest;
  14         if( !$wgCommandLineMode && !isset( $_COOKIE[session_name()] )  ) {
  15                 User::SetupSession();
  16         }
  17
  18         $form = new LoginForm( $wgRequest );
  19         $form->execute();
  20 }
  21
  22 /**
  23  *
  24  * @package MediaWiki
  25  * @subpackage SpecialPage
  26  */
  27 class LoginForm {
  28         var $mName, $mPassword, $mRetype, $mReturnto, $mCookieCheck, $mPosted;
  29         var $mAction, $mCreateaccount, $mCreateaccountMail, $mMailmypassword;
  30         var $mLoginattempt, $mRemember, $mEmail, $mDomain;
  31
  32         /**
  33          * Constructor
  34          * @param webrequest $request A webrequest object passed by reference
  35          */
  36         function LoginForm( &$request ) {
  37                 global $wgLang, $wgAllowRealName, $wgEnableEmail;
  38                 global $wgAuth;
  39
  40                 $this->mName = $request->getText( 'wpName' );
  41                 $this->mPassword = $request->getText( 'wpPassword' );
  42                 $this->mRetype = $request->getText( 'wpRetype' );
  43                 $this->mDomain = $request->getText( 'wpDomain' );
  44                 $this->mReturnto = $request->getVal( 'returnto' );
  45                 $this->mCookieCheck = $request->getVal( 'wpCookieCheck' );
  46                 $this->mPosted = $request->wasPosted();
  47                 $this->mCreateaccount = $request->getCheck( 'wpCreateaccount' );
  48                 $this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' )
  49                                             && $wgEnableEmail;
  50                 $this->mMailmypassword = $request->getCheck( 'wpMailmypassword' )
  51                                          && $wgEnableEmail;
  52                 $this->mLoginattempt = $request->getCheck( 'wpLoginattempt' );
  53                 $this->mAction = $request->getVal( 'action' );
  54                 $this->mRemember = $request->getCheck( 'wpRemember' );
  55
  56                 if( $wgEnableEmail ) {
  57                         $this->mEmail = $request->getText( 'wpEmail' );
  58                 } else {
  59                         $this->mEmail = '';
  60                 }
  61                 if( $wgAllowRealName ) {
  62                     $this->mRealName = $request->getText( 'wpRealName' );
  63                 } else {
  64                     $this->mRealName = '';
  65                 }
  66
  67                 if( !$wgAuth->validDomain( $this->mDomain ) ) {
  68                         $this->mDomain = 'invaliddomain';
  69                 }
  70                 $wgAuth->setDomain( $this->mDomain );
  71
  72                 # When switching accounts, it sucks to get automatically logged out
  73                 if( $this->mReturnto == $wgLang->specialPage( 'Userlogout' ) ) {
  74                         $this->mReturnto = '';
  75                 }
  76         }
  77
  78         function execute() {
  79                 if ( !is_null( $this->mCookieCheck ) ) {
  80                         $this->onCookieRedirectCheck( $this->mCookieCheck );
  81                         return;
  82                 } else if( $this->mPosted ) {
  83                         if( $this->mCreateaccount ) {
  84                                 return $this->addNewAccount();
  85                         } else if ( $this->mCreateaccountMail ) {
  86                                 return $this->addNewAccountMailPassword();
  87                         } else if ( $this->mMailmypassword ) {
  88                                 return $this->mailPassword();
  89                         } else if ( ( 'submitlogin' == $this->mAction ) || $this->mLoginattempt ) {
  90                                 return $this->processLogin();
  91                         }
  92                 }
  93                 $this->mainLoginForm( '' );
  94         }
  95
  96         /**
  97          * @access private
  98          */
  99         function addNewAccountMailPassword() {
 100                 global $wgOut;
 101
 102                 if ('' == $this->mEmail) {
 103                         $this->mainLoginForm( wfMsg( 'noemail', htmlspecialchars( $this->mName ) ) );
 104                         return;
 105                 }
 106
 107                 $u = $this->addNewaccountInternal();
 108
 109                 if ($u == NULL) {
 110                         return;
 111                 }
 112
 113                 $u->saveSettings();
 114                 $result = $this->mailPasswordInternal($u);
 115
 116                 $wgOut->setPageTitle( wfMsg( 'accmailtitle' ) );
 117                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 118                 $wgOut->setArticleRelated( false );
 119
 120                 if( WikiError::isError( $result ) ) {
 121                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 122                 } else {
 123                         $wgOut->addWikiText( wfMsg( 'accmailtext', $u->getName(), $u->getEmail() ) );
 124                         $wgOut->returnToMain( false );
 125                 }
 126                 $u = 0;
 127         }
 128
 129
 130         /**
 131          * @access private
 132          */
 133         function addNewAccount() {
 134                 global $wgUser, $wgOut, $wgEmailAuthentication;
 135
 136                 $u = $this->addNewAccountInternal();
 137
 138                 if ($u == NULL) {
 139                         return;
 140                 }
 141
 142                 $wgUser = $u;
 143                 $wgUser->setCookies();
 144
 145                 $wgUser->saveSettings();
 146                 if( $wgEmailAuthentication && $wgUser->isValidEmailAddr( $wgUser->getEmail() ) ) {
 147                         $wgUser->sendConfirmationMail();
 148                 }
 149
 150                 wfRunHooks( 'AddNewAccount' );
 151
 152                 if( $this->hasSessionCookie() ) {
 153                         return $this->successfulLogin( wfMsg( 'welcomecreation', $wgUser->getName() ) );
 154                 } else {
 155                         return $this->cookieRedirectCheck( 'new' );
 156                 }
 157         }
 158
 159         /**
 160          * @access private
 161          */
 162         function addNewAccountInternal() {
 163                 global $wgUser, $wgOut;
 164                 global $wgUseLatin1, $wgEnableSorbs, $wgProxyWhitelist;
 165                 global $wgMemc, $wgAccountCreationThrottle, $wgDBname;
 166                 global $wgAuth, $wgMinimalPasswordLength;
 167
 168                 // If the user passes an invalid domain, something is fishy
 169                 if( !$wgAuth->validDomain( $this->mDomain ) ) {
 170                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 171                         return false;
 172                 }
 173
 174                 // If we are not allowing users to login locally, we should
 175                 // be checking to see if the user is actually able to
 176                 // authenticate to the authentication server before they
 177                 // create an account (otherwise, they can create a local account
 178                 // and login as any domain user). We only need to check this for
 179                 // domains that aren't local.
 180                 if( 'local' != $this->mDomain && '' != $this->mDomain ) {
 181                         if( !$wgAuth->canCreateAccounts() && ( !$wgAuth->userExists( $this->mName ) || !$wgAuth->authenticate( $this->mName, $this->mPassword ) ) ) {
 182                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 183                                 return false;
 184                         }
 185                 }
 186
 187                 if (!$wgUser->isAllowedToCreateAccount()) {
 188                         $this->userNotPrivilegedMessage();
 189                         return false;
 190                 }
 191
 192                 $ip = wfGetIP();
 193                 if ( $wgEnableSorbs && !in_array( $ip, $wgProxyWhitelist ) &&
 194                   $wgUser->inSorbsBlacklist( $ip ) )
 195                 {
 196                         $this->mainLoginForm( wfMsg( 'sorbs_create_account_reason' ) . ' (' . htmlspecialchars( $ip ) . ')' );
 197                         return;
 198                 }
 199
 200
 201                 if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 202                         $this->mainLoginForm( wfMsg( 'badretype' ) );
 203                         return false;
 204                 }
 205
 206                 $name = trim( $this->mName );
 207                 $u = User::newFromName( $name );
 208                 if ( is_null( $u ) ) {
 209                         $this->mainLoginForm( wfMsg( 'noname' ) );
 210                         return false;
 211                 }
 212
 213                 if ( wfReadOnly() ) {
 214                         $wgOut->readOnlyPage();
 215                         return false;
 216                 }
 217
 218                 if ( 0 != $u->idForName() ) {
 219                         $this->mainLoginForm( wfMsg( 'userexists' ) );
 220                         return false;
 221                 }
 222
 223                 if ( !$wgUser->isValidPassword( $this->mPassword ) ) {
 224                         $this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
 225                         return false;
 226                 }
 227
 228                 if ( $wgAccountCreationThrottle ) {
 229                         $key = $wgDBname.':acctcreate:ip:'.$ip;
 230                         $value = $wgMemc->incr( $key );
 231                         if ( !$value ) {
 232                                 $wgMemc->set( $key, 1, 86400 );
 233                         }
 234                         if ( $value > $wgAccountCreationThrottle ) {
 235                                 $this->throttleHit( $wgAccountCreationThrottle );
 236                                 return false;
 237                         }
 238                 }
 239
 240                 if( !$wgAuth->addUser( $u, $this->mPassword ) ) {
 241                         $this->mainLoginForm( wfMsg( 'externaldberror' ) );
 242                         return false;
 243                 }
 244
 245                 # Update user count
 246                 $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
 247                 $ssUpdate->doUpdate();
 248
 249                 return $this->initUser( $u );
 250         }
 251
 252         /**
 253          * Actually add a user to the database.
 254          * Give it a User object that has been initialised with a name.
 255          *
 256          * @param User $u
 257          * @return User
 258          * @access private
 259          */
 260         function &initUser( &$u ) {
 261                 $u->addToDatabase();
 262                 $u->setPassword( $this->mPassword );
 263                 $u->setEmail( $this->mEmail );
 264                 $u->setRealName( $this->mRealName );
 265                 $u->setToken();
 266
 267                 global $wgAuth;
 268                 $wgAuth->initUser( $u );
 269
 270                 $u->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
 271
 272                 return $u;
 273         }
 274
 275         /**
 276          * @access private
 277          */
 278         function processLogin() {
 279                 global $wgUser;
 280                 global $wgAuth;
 281
 282                 if ( '' == $this->mName ) {
 283                         $this->mainLoginForm( wfMsg( 'noname' ) );
 284                         return;
 285                 }
 286                 $u = User::newFromName( $this->mName );
 287                 if( is_null( $u ) ) {
 288                         $this->mainLoginForm( wfMsg( 'noname' ) );
 289                         return;
 290                 }
 291                 if ( 0 == $u->getID() ) {
 292                         global $wgAuth;
 293                         /**
 294                          * If the external authentication plugin allows it,
 295                          * automatically create a new account for users that
 296                          * are externally defined but have not yet logged in.
 297                          */
 298                         if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
 299                                 if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
 300                                         $u =& $this->initUser( $u );
 301                                 } else {
 302                                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 303                                         return;
 304                                 }
 305                         } else {
 306                                 $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 307                                 return;
 308                         }
 309                 } else {
 310                         $u->loadFromDatabase();
 311                 }
 312
 313                 if (!$u->checkPassword( $this->mPassword )) {
 314                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 315                         return;
 316                 }
 317
 318                 # We've verified now, update the real record
 319                 #
 320                 if ( $this->mRemember ) {
 321                         $r = 1;
 322                 } else {
 323                         $r = 0;
 324                 }
 325                 $u->setOption( 'rememberpassword', $r );
 326
 327                 $wgAuth->updateUser( $u );
 328
 329                 $wgUser = $u;
 330                 $wgUser->setCookies();
 331
 332                 $wgUser->saveSettings();
 333
 334                 if( $this->hasSessionCookie() ) {
 335                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 336                 } else {
 337                         return $this->cookieRedirectCheck( 'login' );
 338                 }
 339         }
 340
 341         /**
 342          * @access private
 343          */
 344         function mailPassword() {
 345                 global $wgUser, $wgDeferredUpdateList, $wgOutputEncoding;
 346                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 347
 348                 if ( '' == $this->mName ) {
 349                         $this->mainLoginForm( wfMsg( 'noname' ) );
 350                         return;
 351                 }
 352                 $u = User::newFromName( $this->mName );
 353                 if( is_null( $u ) ) {
 354                         $this->mainLoginForm( wfMsg( 'noname' ) );
 355                         return;
 356                 }
 357                 if ( 0 == $u->getID() ) {
 358                         $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 359                         return;
 360                 }
 361
 362                 $u->loadFromDatabase();
 363
 364                 $result = $this->mailPasswordInternal( $u );
 365                 if( WikiError::isError( $result ) ) {
 366                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 367                 } else {
 368                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ) );
 369                 }
 370         }
 371
 372
 373         /**
 374          * @return mixed true on success, WikiError on failure
 375          * @access private
 376          */
 377         function mailPasswordInternal( $u ) {
 378                 global $wgPasswordSender, $wgDBname;
 379                 global $wgCookiePath, $wgCookieDomain;
 380
 381                 if ( '' == $u->getEmail() ) {
 382                         return wfMsg( 'noemail', $u->getName() );
 383                 }
 384
 385                 $np = $u->randomPassword();
 386                 $u->setNewpassword( $np );
 387
 388                 setcookie( "{$wgDBname}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 389
 390                 $u->saveSettings();
 391
 392                 $ip = wfGetIP();
 393                 if ( '' == $ip ) { $ip = '(Unknown)'; }
 394
 395                 $m = wfMsg( 'passwordremindertext', $ip, $u->getName(), $np );
 396
 397                 $result = $u->sendMail( wfMsg( 'passwordremindertitle' ), $m );
 398                 return $result;
 399         }
 400
 401
 402         /**
 403          * @param string $msg Message that will be shown on success.
 404          * @access private
 405          */
 406         function successfulLogin( $msg ) {
 407                 global $wgUser;
 408                 global $wgOut;
 409
 410                 # Run any hooks; ignore results
 411
 412                 wfRunHooks('UserLoginComplete', array(&$wgUser));
 413
 414                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 415                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 416                 $wgOut->setArticleRelated( false );
 417                 $wgOut->addWikiText( $msg );
 418                 $wgOut->returnToMain();
 419         }
 420
 421         /** */
 422         function userNotPrivilegedMessage() {
 423                 global $wgOut;
 424
 425                 $wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
 426                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 427                 $wgOut->setArticleRelated( false );
 428
 429                 $wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
 430
 431                 $wgOut->returnToMain( false );
 432         }
 433
 434         /**
 435          * @access private
 436          */
 437         function mainLoginForm( $err ) {
 438                 global $wgUser, $wgOut, $wgLang;
 439                 global $wgDBname, $wgAllowRealName, $wgEnableEmail;
 440                 global $wgAuth;
 441
 442                 if ( '' == $this->mName ) {
 443                         if ( $wgUser->isLoggedIn() ) {
 444                                 $this->mName = $wgUser->getName();
 445                         } else {
 446                                 $this->mName = @$_COOKIE[$wgDBname.'UserName'];
 447                         }
 448                 }
 449
 450                 $q = 'action=submitlogin';
 451                 if ( !empty( $this->mReturnto ) ) {
 452                         $q .= '&returnto=' . wfUrlencode( $this->mReturnto );
 453                 }
 454                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 455
 456                 require_once( 'templates/Userlogin.php' );
 457                 $template =& new UserloginTemplate();
 458
 459                 $template->set( 'name', $this->mName );
 460                 $template->set( 'password', $this->mPassword );
 461                 $template->set( 'retype', $this->mRetype );
 462                 $template->set( 'email', $this->mEmail );
 463                 $template->set( 'realname', $this->mRealName );
 464                 $template->set( 'domain', $this->mDomain );
 465
 466                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 467                 $template->set( 'error', $err );
 468                 $template->set( 'create', $wgUser->isAllowedToCreateAccount() );
 469                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 470                 $template->set( 'userealname', $wgAllowRealName );
 471                 $template->set( 'useemail', $wgEnableEmail );
 472                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 473                 $wgAuth->modifyUITemplate( $template );
 474
 475                 $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 476                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 477                 $wgOut->setArticleRelated( false );
 478                 $wgOut->addTemplate( $template );
 479         }
 480
 481         /**
 482          * @access private
 483          */
 484         function hasSessionCookie() {
 485                 global $wgDisableCookieCheck;
 486                 return ( $wgDisableCookieCheck ) ? true : ( isset( $_COOKIE[session_name()] ) );
 487         }
 488
 489         /**
 490          * @access private
 491          */
 492         function cookieRedirectCheck( $type ) {
 493                 global $wgOut, $wgLang;
 494
 495                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 496                 $check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
 497
 498                 return $wgOut->redirect( $check );
 499         }
 500
 501         /**
 502          * @access private
 503          */
 504         function onCookieRedirectCheck( $type ) {
 505                 global $wgUser;
 506
 507                 if ( !$this->hasSessionCookie() ) {
 508                         if ( $type == 'new' ) {
 509                                 return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
 510                         } else if ( $type == 'login' ) {
 511                                 return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
 512                         } else {
 513                                 # shouldn't happen
 514                                 return $this->mainLoginForm( wfMsg( 'error' ) );
 515                         }
 516                 } else {
 517                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 518                 }
 519         }
 520
 521         /**
 522          * @access private
 523          */
 524         function throttleHit( $limit ) {
 525                 global $wgOut;
 526
 527                 $wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
 528         }
 529 }
 530 ?>