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', null );
 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, $wgIP;
 166                 global $wgAuth;
 167
 168                 // If the user passes an invalid domain, something is fishy
 169                 if( !$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                 if ( $wgEnableSorbs && !in_array( $wgIP, $wgProxyWhitelist ) &&
 193                   $wgUser->inSorbsBlacklist( $wgIP ) )
 194                 {
 195                         $this->mainLoginForm( wfMsg( 'sorbs_create_account_reason' ) . ' (' . htmlspecialchars( $wgIP ) . ')' );
 196                         return;
 197                 }
 198
 199
 200                 if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 201                         $this->mainLoginForm( wfMsg( 'badretype' ) );
 202                         return false;
 203                 }
 204
 205                 $name = trim( $this->mName );
 206                 $u = User::newFromName( $name );
 207                 if ( is_null( $u ) ) {
 208                         $this->mainLoginForm( wfMsg( 'noname' ) );
 209                         return false;
 210                 }
 211
 212                 if ( wfReadOnly() ) {
 213                         $wgOut->readOnlyPage();
 214                         return false;
 215                 }
 216
 217                 if ( 0 != $u->idForName() ) {
 218                         $this->mainLoginForm( wfMsg( 'userexists' ) );
 219                         return false;
 220                 }
 221
 222                 if ( !$wgUser->isValidPassword( $this->mPassword ) ) {
 223                         $this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
 224                         return false;
 225                 }
 226
 227                 if ( $wgAccountCreationThrottle ) {
 228                         $key = $wgDBname.':acctcreate:ip:'.$wgIP;
 229                         $value = $wgMemc->incr( $key );
 230                         if ( !$value ) {
 231                                 $wgMemc->set( $key, 1, 86400 );
 232                         }
 233                         if ( $value > $wgAccountCreationThrottle ) {
 234                                 $this->throttleHit( $wgAccountCreationThrottle );
 235                                 return false;
 236                         }
 237                 }
 238
 239                 if( !$wgAuth->addUser( $u, $this->mPassword ) ) {
 240                         $this->mainLoginForm( wfMsg( 'externaldberror' ) );
 241                         return false;
 242                 }
 243
 244                 # Update user count
 245                 $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
 246                 $ssUpdate->doUpdate();
 247
 248                 return $this->initUser( $u );
 249         }
 250
 251         /**
 252          * Actually add a user to the database.
 253          * Give it a User object that has been initialised with a name.
 254          *
 255          * @param User $u
 256          * @return User
 257          * @access private
 258          */
 259         function &initUser( &$u ) {
 260                 $u->addToDatabase();
 261                 $u->setPassword( $this->mPassword );
 262                 $u->setEmail( $this->mEmail );
 263                 $u->setRealName( $this->mRealName );
 264                 $u->setToken();
 265
 266                 global $wgAuth;
 267                 $wgAuth->initUser( $u );
 268
 269                 if ( $this->mRemember ) { $r = 1; }
 270                 else { $r = 0; }
 271                 $u->setOption( 'rememberpassword', $r );
 272
 273                 return $u;
 274         }
 275
 276         /**
 277          * @access private
 278          */
 279         function processLogin() {
 280                 global $wgUser;
 281                 global $wgAuth;
 282
 283                 if ( '' == $this->mName ) {
 284                         $this->mainLoginForm( wfMsg( 'noname' ) );
 285                         return;
 286                 }
 287                 $u = User::newFromName( $this->mName );
 288                 if( is_null( $u ) ) {
 289                         $this->mainLoginForm( wfMsg( 'noname' ) );
 290                         return;
 291                 }
 292                 if ( 0 == $u->getID() ) {
 293                         global $wgAuth;
 294                         /**
 295                          * If the external authentication plugin allows it,
 296                          * automatically create a new account for users that
 297                          * are externally defined but have not yet logged in.
 298                          */
 299                         if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
 300                                 if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
 301                                         $u =& $this->initUser( $u );
 302                                 } else {
 303                                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 304                                         return;
 305                                 }
 306                         } else {
 307                                 $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 308                                 return;
 309                         }
 310                 } else {
 311                         $u->loadFromDatabase();
 312                 }
 313
 314                 if (!$u->checkPassword( $this->mPassword )) {
 315                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 316                         return;
 317                 }
 318
 319                 # We've verified now, update the real record
 320                 #
 321                 if ( $this->mRemember ) {
 322                         $r = 1;
 323                 } else {
 324                         $r = 0;
 325                 }
 326                 $u->setOption( 'rememberpassword', $r );
 327
 328                 $wgAuth->updateUser( $u );
 329
 330                 $wgUser = $u;
 331                 $wgUser->setCookies();
 332
 333                 $wgUser->saveSettings();
 334
 335                 if( $this->hasSessionCookie() ) {
 336                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 337                 } else {
 338                         return $this->cookieRedirectCheck( 'login' );
 339                 }
 340         }
 341
 342         /**
 343          * @access private
 344          */
 345         function mailPassword() {
 346                 global $wgUser, $wgDeferredUpdateList, $wgOutputEncoding;
 347                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 348
 349                 if ( '' == $this->mName ) {
 350                         $this->mainLoginForm( wfMsg( 'noname' ) );
 351                         return;
 352                 }
 353                 $u = User::newFromName( $this->mName );
 354                 if( is_null( $u ) ) {
 355                         $this->mainLoginForm( wfMsg( 'noname' ) );
 356                         return;
 357                 }
 358                 if ( 0 == $u->getID() ) {
 359                         $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 360                         return;
 361                 }
 362
 363                 $u->loadFromDatabase();
 364
 365                 $result = $this->mailPasswordInternal( $u );
 366                 if( WikiError::isError( $result ) ) {
 367                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 368                 } else {
 369                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ) );
 370                 }
 371         }
 372
 373
 374         /**
 375          * @return mixed true on success, WikiError on failure
 376          * @access private
 377          */
 378         function mailPasswordInternal( $u ) {
 379                 global $wgPasswordSender, $wgDBname, $wgIP;
 380                 global $wgCookiePath, $wgCookieDomain;
 381
 382                 if ( '' == $u->getEmail() ) {
 383                         return wfMsg( 'noemail', $u->getName() );
 384                 }
 385
 386                 $np = $u->randomPassword();
 387                 $u->setNewpassword( $np );
 388
 389                 setcookie( "{$wgDBname}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 390
 391                 $u->saveSettings();
 392
 393                 $ip = $wgIP;
 394                 if ( '' == $ip ) { $ip = '(Unknown)'; }
 395
 396                 $m = wfMsg( 'passwordremindertext', $ip, $u->getName(), $np );
 397
 398                 $result = $u->sendMail( wfMsg( 'passwordremindertitle' ), $m );
 399                 return $result;
 400         }
 401
 402
 403         /**
 404          * @param string $msg Message that will be shown on success.
 405          * @access private
 406          */
 407         function successfulLogin( $msg ) {
 408                 global $wgUser;
 409                 global $wgOut;
 410
 411                 # Run any hooks; ignore results
 412
 413                 wfRunHooks('UserLoginComplete', array(&$wgUser));
 414
 415                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 416                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 417                 $wgOut->setArticleRelated( false );
 418                 $wgOut->addWikiText( $msg );
 419                 $wgOut->returnToMain();
 420         }
 421
 422         /** */
 423         function userNotPrivilegedMessage() {
 424                 global $wgOut;
 425
 426                 $wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
 427                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 428                 $wgOut->setArticleRelated( false );
 429
 430                 $wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
 431
 432                 $wgOut->returnToMain( false );
 433         }
 434
 435         /**
 436          * @access private
 437          */
 438         function mainLoginForm( $err ) {
 439                 global $wgUser, $wgOut, $wgLang;
 440                 global $wgDBname, $wgAllowRealName, $wgEnableEmail;
 441                 global $wgAuth;
 442
 443                 if ( '' == $this->mName ) {
 444                         if ( $wgUser->isLoggedIn() ) {
 445                                 $this->mName = $wgUser->getName();
 446                         } else {
 447                                 $this->mName = @$_COOKIE[$wgDBname.'UserName'];
 448                         }
 449                 }
 450
 451                 $q = 'action=submitlogin';
 452                 if ( !empty( $this->mReturnto ) ) {
 453                         $q .= '&returnto=' . wfUrlencode( $this->mReturnto );
 454                 }
 455                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 456
 457                 require_once( 'templates/Userlogin.php' );
 458                 $template =& new UserloginTemplate();
 459
 460                 $template->set( 'name', $this->mName );
 461                 $template->set( 'password', $this->mPassword );
 462                 $template->set( 'retype', $this->mRetype );
 463                 $template->set( 'email', $this->mEmail );
 464                 $template->set( 'realname', $this->mRealName );
 465                 $template->set( 'domain', $this->mDomain );
 466
 467                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 468                 $template->set( 'error', $err );
 469                 $template->set( 'create', $wgUser->isAllowedToCreateAccount() );
 470                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 471                 $template->set( 'userealname', $wgAllowRealName );
 472                 $template->set( 'useemail', $wgEnableEmail );
 473                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 474                 $wgAuth->modifyUITemplate( $template );
 475
 476                 $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 477                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 478                 $wgOut->setArticleRelated( false );
 479                 $wgOut->addTemplate( $template );
 480         }
 481
 482         /**
 483          * @access private
 484          */
 485         function hasSessionCookie() {
 486                 global $wgDisableCookieCheck;
 487                 return ( $wgDisableCookieCheck ) ? true : ( isset( $_COOKIE[session_name()] ) );
 488         }
 489
 490         /**
 491          * @access private
 492          */
 493         function cookieRedirectCheck( $type ) {
 494                 global $wgOut, $wgLang;
 495
 496                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 497                 $check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
 498
 499                 return $wgOut->redirect( $check );
 500         }
 501
 502         /**
 503          * @access private
 504          */
 505         function onCookieRedirectCheck( $type ) {
 506                 global $wgUser;
 507
 508                 if ( !$this->hasSessionCookie() ) {
 509                         if ( $type == 'new' ) {
 510                                 return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
 511                         } else if ( $type == 'login' ) {
 512                                 return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
 513                         } else {
 514                                 # shouldn't happen
 515                                 return $this->mainLoginForm( wfMsg( 'error' ) );
 516                         }
 517                 } else {
 518                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 519                 }
 520         }
 521
 522         /**
 523          * @access private
 524          */
 525         function throttleHit( $limit ) {
 526                 global $wgOut;
 527
 528                 $wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
 529         }
 530 }
 531 ?>