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, $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                 $abortError = '';
 240                 if( !wfRunHooks( 'AbortNewAccount', array( $u, &$abortError ) ) ) {
 241                         wfDebug( "LoginForm::addNewAccountInternal: a hook blocked creation\n" );
 242                         $this->mainLoginForm( $abortError );
 243                         return false;
 244                 }
 245
 246                 if( !$wgAuth->addUser( $u, $this->mPassword ) ) {
 247                         $this->mainLoginForm( wfMsg( 'externaldberror' ) );
 248                         return false;
 249                 }
 250
 251                 # Update user count
 252                 $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
 253                 $ssUpdate->doUpdate();
 254
 255                 return $this->initUser( $u );
 256         }
 257
 258         /**
 259          * Actually add a user to the database.
 260          * Give it a User object that has been initialised with a name.
 261          *
 262          * @param User $u
 263          * @return User
 264          * @access private
 265          */
 266         function &initUser( &$u ) {
 267                 $u->addToDatabase();
 268                 $u->setPassword( $this->mPassword );
 269                 $u->setEmail( $this->mEmail );
 270                 $u->setRealName( $this->mRealName );
 271                 $u->setToken();
 272
 273                 global $wgAuth;
 274                 $wgAuth->initUser( $u );
 275
 276                 if ( $this->mRemember ) { $r = 1; }
 277                 else { $r = 0; }
 278                 $u->setOption( 'rememberpassword', $r );
 279
 280                 return $u;
 281         }
 282
 283         /**
 284          * @access private
 285          */
 286         function processLogin() {
 287                 global $wgUser;
 288                 global $wgAuth;
 289
 290                 if ( '' == $this->mName ) {
 291                         $this->mainLoginForm( wfMsg( 'noname' ) );
 292                         return;
 293                 }
 294                 $u = User::newFromName( $this->mName );
 295                 if( is_null( $u ) ) {
 296                         $this->mainLoginForm( wfMsg( 'noname' ) );
 297                         return;
 298                 }
 299                 if ( 0 == $u->getID() ) {
 300                         global $wgAuth;
 301                         /**
 302                          * If the external authentication plugin allows it,
 303                          * automatically create a new account for users that
 304                          * are externally defined but have not yet logged in.
 305                          */
 306                         if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
 307                                 if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
 308                                         $u =& $this->initUser( $u );
 309                                 } else {
 310                                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 311                                         return;
 312                                 }
 313                         } else {
 314                                 $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 315                                 return;
 316                         }
 317                 } else {
 318                         $u->loadFromDatabase();
 319                 }
 320
 321                 if (!$u->checkPassword( $this->mPassword )) {
 322                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 323                         return;
 324                 }
 325
 326                 # We've verified now, update the real record
 327                 #
 328                 if ( $this->mRemember ) {
 329                         $r = 1;
 330                 } else {
 331                         $r = 0;
 332                 }
 333                 $u->setOption( 'rememberpassword', $r );
 334
 335                 $wgAuth->updateUser( $u );
 336
 337                 $wgUser = $u;
 338                 $wgUser->setCookies();
 339
 340                 $wgUser->saveSettings();
 341
 342                 if( $this->hasSessionCookie() ) {
 343                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 344                 } else {
 345                         return $this->cookieRedirectCheck( 'login' );
 346                 }
 347         }
 348
 349         /**
 350          * @access private
 351          */
 352         function mailPassword() {
 353                 global $wgUser, $wgDeferredUpdateList, $wgOutputEncoding;
 354                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 355
 356                 if ( '' == $this->mName ) {
 357                         $this->mainLoginForm( wfMsg( 'noname' ) );
 358                         return;
 359                 }
 360                 $u = User::newFromName( $this->mName );
 361                 if( is_null( $u ) ) {
 362                         $this->mainLoginForm( wfMsg( 'noname' ) );
 363                         return;
 364                 }
 365                 if ( 0 == $u->getID() ) {
 366                         $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 367                         return;
 368                 }
 369
 370                 $u->loadFromDatabase();
 371
 372                 $result = $this->mailPasswordInternal( $u );
 373                 if( WikiError::isError( $result ) ) {
 374                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 375                 } else {
 376                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ) );
 377                 }
 378         }
 379
 380
 381         /**
 382          * @return mixed true on success, WikiError on failure
 383          * @access private
 384          */
 385         function mailPasswordInternal( $u ) {
 386                 global $wgPasswordSender, $wgIP;
 387                 global $wgCookiePath, $wgCookieDomain, $wgCookiePrefix;
 388
 389                 if ( '' == $u->getEmail() ) {
 390                         return wfMsg( 'noemail', $u->getName() );
 391                 }
 392
 393                 $np = $u->randomPassword();
 394                 $u->setNewpassword( $np );
 395
 396                 setcookie( "{$wgCookiePrefix}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 397
 398                 $u->saveSettings();
 399
 400                 $ip = $wgIP;
 401                 if ( '' == $ip ) { $ip = '(Unknown)'; }
 402
 403                 $m = wfMsg( 'passwordremindertext', $ip, $u->getName(), $np );
 404
 405                 $result = $u->sendMail( wfMsg( 'passwordremindertitle' ), $m );
 406                 return $result;
 407         }
 408
 409
 410         /**
 411          * @param string $msg Message that will be shown on success.
 412          * @access private
 413          */
 414         function successfulLogin( $msg ) {
 415                 global $wgUser;
 416                 global $wgOut;
 417
 418                 # Run any hooks; ignore results
 419
 420                 wfRunHooks('UserLoginComplete', array(&$wgUser));
 421
 422                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 423                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 424                 $wgOut->setArticleRelated( false );
 425                 $wgOut->addWikiText( $msg );
 426                 $wgOut->returnToMain();
 427         }
 428
 429         /** */
 430         function userNotPrivilegedMessage() {
 431                 global $wgOut;
 432
 433                 $wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
 434                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 435                 $wgOut->setArticleRelated( false );
 436
 437                 $wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
 438
 439                 $wgOut->returnToMain( false );
 440         }
 441
 442         /**
 443          * @access private
 444          */
 445         function mainLoginForm( $err ) {
 446                 global $wgUser, $wgOut, $wgLang;
 447                 global $wgAllowRealName, $wgEnableEmail;
 448                 global $wgCookiePrefix;
 449                 global $wgAuth;
 450
 451                 if ( '' == $this->mName ) {
 452                         if ( $wgUser->isLoggedIn() ) {
 453                                 $this->mName = $wgUser->getName();
 454                         } else {
 455                                 $this->mName = @$_COOKIE[$wgCookiePrefix.'UserName'];
 456                         }
 457                 }
 458
 459                 $q = 'action=submitlogin';
 460                 if ( !empty( $this->mReturnto ) ) {
 461                         $q .= '&returnto=' . wfUrlencode( $this->mReturnto );
 462                 }
 463                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 464
 465                 require_once( 'templates/Userlogin.php' );
 466                 $template =& new UserloginTemplate();
 467
 468                 $template->set( 'name', $this->mName );
 469                 $template->set( 'password', $this->mPassword );
 470                 $template->set( 'retype', $this->mRetype );
 471                 $template->set( 'email', $this->mEmail );
 472                 $template->set( 'realname', $this->mRealName );
 473                 $template->set( 'domain', $this->mDomain );
 474
 475                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 476                 $template->set( 'error', $err );
 477                 $template->set( 'create', $wgUser->isAllowedToCreateAccount() );
 478                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 479                 $template->set( 'userealname', $wgAllowRealName );
 480                 $template->set( 'useemail', $wgEnableEmail );
 481                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 482                 $wgAuth->modifyUITemplate( $template );
 483
 484                 $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 485                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 486                 $wgOut->setArticleRelated( false );
 487                 $wgOut->addTemplate( $template );
 488         }
 489
 490         /**
 491          * @access private
 492          */
 493         function hasSessionCookie() {
 494                 global $wgDisableCookieCheck;
 495                 return ( $wgDisableCookieCheck ) ? true : ( isset( $_COOKIE[session_name()] ) );
 496         }
 497
 498         /**
 499          * @access private
 500          */
 501         function cookieRedirectCheck( $type ) {
 502                 global $wgOut, $wgLang;
 503
 504                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 505                 $check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
 506
 507                 return $wgOut->redirect( $check );
 508         }
 509
 510         /**
 511          * @access private
 512          */
 513         function onCookieRedirectCheck( $type ) {
 514                 global $wgUser;
 515
 516                 if ( !$this->hasSessionCookie() ) {
 517                         if ( $type == 'new' ) {
 518                                 return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
 519                         } else if ( $type == 'login' ) {
 520                                 return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
 521                         } else {
 522                                 # shouldn't happen
 523                                 return $this->mainLoginForm( wfMsg( 'error' ) );
 524                         }
 525                 } else {
 526                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 527                 }
 528         }
 529
 530         /**
 531          * @access private
 532          */
 533         function throttleHit( $limit ) {
 534                 global $wgOut;
 535
 536                 $wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
 537         }
 538 }
 539 ?>