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                 if( $this->hasSessionCookie() ) {
 151                         return $this->successfulLogin( wfMsg( 'welcomecreation', $wgUser->getName() ) );
 152                 } else {
 153                         return $this->cookieRedirectCheck( 'new' );
 154                 }
 155         }
 156
 157         /**
 158          * @access private
 159          */
 160         function addNewAccountInternal() {
 161                 global $wgUser, $wgOut;
 162                 global $wgUseLatin1, $wgEnableSorbs, $wgProxyWhitelist;
 163                 global $wgMemc, $wgAccountCreationThrottle, $wgDBname, $wgIP;
 164                 global $wgAuth;
 165
 166                 // If the user passes an invalid domain, something is fishy
 167                 if( !$wgAuth->validDomain( $this->mDomain ) ) {
 168                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 169                         return false;
 170                 }
 171
 172                 // If we are not allowing users to login locally, we should
 173                 // be checking to see if the user is actually able to
 174                 // authenticate to the authentication server before they
 175                 // create an account (otherwise, they can create a local account
 176                 // and login as any domain user). We only need to check this for
 177                 // domains that aren't local.
 178                 if( 'local' != $this->mDomain && '' != $this->mDomain ) {
 179                         if( !$wgAuth->canCreateAccounts() && ( !$wgAuth->userExists( $this->mName ) || !$wgAuth->authenticate( $this->mName, $this->mPassword ) ) ) {
 180                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 181                                 return false;
 182                         }
 183                 }
 184
 185                 if (!$wgUser->isAllowedToCreateAccount()) {
 186                         $this->userNotPrivilegedMessage();
 187                         return false;
 188                 }
 189
 190                 if ( $wgEnableSorbs && !in_array( $wgIP, $wgProxyWhitelist ) &&
 191                   $wgUser->inSorbsBlacklist( $wgIP ) )
 192                 {
 193                         $this->mainLoginForm( wfMsg( 'sorbs_create_account_reason' ) . ' (' . htmlspecialchars( $wgIP ) . ')' );
 194                         return;
 195                 }
 196
 197
 198                 if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 199                         $this->mainLoginForm( wfMsg( 'badretype' ) );
 200                         return false;
 201                 }
 202
 203                 $name = trim( $this->mName );
 204                 $u = User::newFromName( $name );
 205                 if ( is_null( $u ) ) {
 206                         $this->mainLoginForm( wfMsg( 'noname' ) );
 207                         return false;
 208                 }
 209
 210                 if ( wfReadOnly() ) {
 211                         $wgOut->readOnlyPage();
 212                         return false;
 213                 }
 214
 215                 if ( 0 != $u->idForName() ) {
 216                         $this->mainLoginForm( wfMsg( 'userexists' ) );
 217                         return false;
 218                 }
 219
 220                 if ( !$wgUser->isValidPassword( $this->mPassword ) ) {
 221                         $this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
 222                         return false;
 223                 }
 224
 225                 if ( $wgAccountCreationThrottle ) {
 226                         $key = $wgDBname.':acctcreate:ip:'.$wgIP;
 227                         $value = $wgMemc->incr( $key );
 228                         if ( !$value ) {
 229                                 $wgMemc->set( $key, 1, 86400 );
 230                         }
 231                         if ( $value > $wgAccountCreationThrottle ) {
 232                                 $this->throttleHit( $wgAccountCreationThrottle );
 233                                 return false;
 234                         }
 235                 }
 236
 237                 if( !$wgAuth->addUser( $u, $this->mPassword ) ) {
 238                         $this->mainLoginForm( wfMsg( 'externaldberror' ) );
 239                         return false;
 240                 }
 241
 242                 # Update user count
 243                 $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
 244                 $ssUpdate->doUpdate();
 245
 246                 return $this->initUser( $u );
 247         }
 248
 249         /**
 250          * Actually add a user to the database.
 251          * Give it a User object that has been initialised with a name.
 252          *
 253          * @param User $u
 254          * @return User
 255          * @access private
 256          */
 257         function &initUser( &$u ) {
 258                 $u->addToDatabase();
 259                 $u->setPassword( $this->mPassword );
 260                 $u->setEmail( $this->mEmail );
 261                 $u->setRealName( $this->mRealName );
 262                 $u->setToken();
 263
 264                 global $wgAuth;
 265                 $wgAuth->initUser( $u );
 266
 267                 if ( $this->mRemember ) { $r = 1; }
 268                 else { $r = 0; }
 269                 $u->setOption( 'rememberpassword', $r );
 270
 271                 return $u;
 272         }
 273
 274         /**
 275          * @access private
 276          */
 277         function processLogin() {
 278                 global $wgUser;
 279                 global $wgAuth;
 280
 281                 if ( '' == $this->mName ) {
 282                         $this->mainLoginForm( wfMsg( 'noname' ) );
 283                         return;
 284                 }
 285                 $u = User::newFromName( $this->mName );
 286                 if( is_null( $u ) ) {
 287                         $this->mainLoginForm( wfMsg( 'noname' ) );
 288                         return;
 289                 }
 290                 if ( 0 == $u->getID() ) {
 291                         global $wgAuth;
 292                         /**
 293                          * If the external authentication plugin allows it,
 294                          * automatically create a new account for users that
 295                          * are externally defined but have not yet logged in.
 296                          */
 297                         if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
 298                                 if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
 299                                         $u =& $this->initUser( $u );
 300                                 } else {
 301                                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 302                                         return;
 303                                 }
 304                         } else {
 305                                 $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 306                                 return;
 307                         }
 308                 } else {
 309                         $u->loadFromDatabase();
 310                 }
 311
 312                 if (!$u->checkPassword( $this->mPassword )) {
 313                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 314                         return;
 315                 }
 316
 317                 # We've verified now, update the real record
 318                 #
 319                 if ( $this->mRemember ) {
 320                         $r = 1;
 321                 } else {
 322                         $r = 0;
 323                 }
 324                 $u->setOption( 'rememberpassword', $r );
 325
 326                 $wgAuth->updateUser( $u );
 327
 328                 $wgUser = $u;
 329                 $wgUser->setCookies();
 330
 331                 $wgUser->saveSettings();
 332
 333                 if( $this->hasSessionCookie() ) {
 334                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 335                 } else {
 336                         return $this->cookieRedirectCheck( 'login' );
 337                 }
 338         }
 339
 340         /**
 341          * @access private
 342          */
 343         function mailPassword() {
 344                 global $wgUser, $wgDeferredUpdateList, $wgOutputEncoding;
 345                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 346
 347                 if ( '' == $this->mName ) {
 348                         $this->mainLoginForm( wfMsg( 'noname' ) );
 349                         return;
 350                 }
 351                 $u = User::newFromName( $this->mName );
 352                 if( is_null( $u ) ) {
 353                         $this->mainLoginForm( wfMsg( 'noname' ) );
 354                         return;
 355                 }
 356                 if ( 0 == $u->getID() ) {
 357                         $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 358                         return;
 359                 }
 360
 361                 $u->loadFromDatabase();
 362
 363                 $result = $this->mailPasswordInternal( $u );
 364                 if( WikiError::isError( $result ) ) {
 365                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 366                 } else {
 367                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ) );
 368                 }
 369         }
 370
 371
 372         /**
 373          * @return mixed true on success, WikiError on failure
 374          * @access private
 375          */
 376         function mailPasswordInternal( $u ) {
 377                 global $wgPasswordSender, $wgDBname, $wgIP;
 378                 global $wgCookiePath, $wgCookieDomain;
 379
 380                 if ( '' == $u->getEmail() ) {
 381                         return wfMsg( 'noemail', $u->getName() );
 382                 }
 383
 384                 $np = $u->randomPassword();
 385                 $u->setNewpassword( $np );
 386
 387                 setcookie( "{$wgDBname}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 388
 389                 $u->saveSettings();
 390
 391                 $ip = $wgIP;
 392                 if ( '' == $ip ) { $ip = '(Unknown)'; }
 393
 394                 $m = wfMsg( 'passwordremindertext', $ip, $u->getName(), $np );
 395
 396                 $result = $u->sendMail( wfMsg( 'passwordremindertitle' ), $m );
 397                 return $result;
 398         }
 399
 400
 401         /**
 402          * @param string $msg Message that will be shown on success.
 403          * @access private
 404          */
 405         function successfulLogin( $msg ) {
 406                 global $wgUser;
 407                 global $wgOut;
 408
 409                 # Run any hooks; ignore results
 410
 411                 wfRunHooks('UserLoginComplete', array(&$wgUser));
 412
 413                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 414                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 415                 $wgOut->setArticleRelated( false );
 416                 $wgOut->addWikiText( $msg );
 417                 $wgOut->returnToMain();
 418         }
 419
 420         /** */
 421         function userNotPrivilegedMessage() {
 422                 global $wgOut;
 423
 424                 $wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
 425                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 426                 $wgOut->setArticleRelated( false );
 427
 428                 $wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
 429
 430                 $wgOut->returnToMain( false );
 431         }
 432
 433         /**
 434          * @access private
 435          */
 436         function mainLoginForm( $err ) {
 437                 global $wgUser, $wgOut, $wgLang;
 438                 global $wgDBname, $wgAllowRealName, $wgEnableEmail;
 439                 global $wgAuth;
 440
 441                 if ( '' == $this->mName ) {
 442                         if ( $wgUser->isLoggedIn() ) {
 443                                 $this->mName = $wgUser->getName();
 444                         } else {
 445                                 $this->mName = @$_COOKIE[$wgDBname.'UserName'];
 446                         }
 447                 }
 448
 449                 $q = 'action=submitlogin';
 450                 if ( !empty( $this->mReturnto ) ) {
 451                         $q .= '&returnto=' . wfUrlencode( $this->mReturnto );
 452                 }
 453                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 454
 455                 require_once( 'templates/Userlogin.php' );
 456                 $template =& new UserloginTemplate();
 457
 458                 $template->set( 'name', $this->mName );
 459                 $template->set( 'password', $this->mPassword );
 460                 $template->set( 'retype', $this->mRetype );
 461                 $template->set( 'email', $this->mEmail );
 462                 $template->set( 'realname', $this->mRealName );
 463                 $template->set( 'domain', $this->mDomain );
 464
 465                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 466                 $template->set( 'error', $err );
 467                 $template->set( 'create', $wgUser->isAllowedToCreateAccount() );
 468                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 469                 $template->set( 'userealname', $wgAllowRealName );
 470                 $template->set( 'useemail', $wgEnableEmail );
 471                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 472                 $wgAuth->modifyUITemplate( $template );
 473
 474                 $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 475                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 476                 $wgOut->setArticleRelated( false );
 477                 $wgOut->addTemplate( $template );
 478         }
 479
 480         /**
 481          * @access private
 482          */
 483         function hasSessionCookie() {
 484                 global $wgDisableCookieCheck;
 485                 return ( $wgDisableCookieCheck ) ? true : ( isset( $_COOKIE[session_name()] ) );
 486         }
 487
 488         /**
 489          * @access private
 490          */
 491         function cookieRedirectCheck( $type ) {
 492                 global $wgOut, $wgLang;
 493
 494                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 495                 $check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
 496
 497                 return $wgOut->redirect( $check );
 498         }
 499
 500         /**
 501          * @access private
 502          */
 503         function onCookieRedirectCheck( $type ) {
 504                 global $wgUser;
 505
 506                 if ( !$this->hasSessionCookie() ) {
 507                         if ( $type == 'new' ) {
 508                                 return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
 509                         } else if ( $type == 'login' ) {
 510                                 return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
 511                         } else {
 512                                 # shouldn't happen
 513                                 return $this->mainLoginForm( wfMsg( 'error' ) );
 514                         }
 515                 } else {
 516                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 517                 }
 518         }
 519
 520         /**
 521          * @access private
 522          */
 523         function throttleHit( $limit ) {
 524                 global $wgOut;
 525
 526                 $wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
 527         }
 528 }
 529 ?>