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->mType = $request->getText( 'type' );
  41                 $this->mName = $request->getText( 'wpName' );
  42                 $this->mPassword = $request->getText( 'wpPassword' );
  43                 $this->mRetype = $request->getText( 'wpRetype' );
  44                 $this->mDomain = $request->getText( 'wpDomain' );
  45                 $this->mReturnto = $request->getVal( 'returnto' );
  46                 $this->mCookieCheck = $request->getVal( 'wpCookieCheck' );
  47                 $this->mPosted = $request->wasPosted();
  48                 $this->mCreateaccount = $request->getCheck( 'wpCreateaccount' );
  49                 $this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' )
  50                                             && $wgEnableEmail;
  51                 $this->mMailmypassword = $request->getCheck( 'wpMailmypassword' )
  52                                          && $wgEnableEmail;
  53                 $this->mLoginattempt = $request->getCheck( 'wpLoginattempt' );
  54                 $this->mAction = $request->getVal( 'action' );
  55                 $this->mRemember = $request->getCheck( 'wpRemember' );
  56
  57                 if( $wgEnableEmail ) {
  58                         $this->mEmail = $request->getText( 'wpEmail' );
  59                 } else {
  60                         $this->mEmail = '';
  61                 }
  62                 if( $wgAllowRealName ) {
  63                     $this->mRealName = $request->getText( 'wpRealName' );
  64                 } else {
  65                     $this->mRealName = '';
  66                 }
  67
  68                 if( !$wgAuth->validDomain( $this->mDomain ) ) {
  69                         $this->mDomain = 'invaliddomain';
  70                 }
  71                 $wgAuth->setDomain( $this->mDomain );
  72
  73                 # When switching accounts, it sucks to get automatically logged out
  74                 if( $this->mReturnto == $wgLang->specialPage( 'Userlogout' ) ) {
  75                         $this->mReturnto = '';
  76                 }
  77         }
  78
  79         function execute() {
  80                 if ( !is_null( $this->mCookieCheck ) ) {
  81                         $this->onCookieRedirectCheck( $this->mCookieCheck );
  82                         return;
  83                 } else if( $this->mPosted ) {
  84                         if( $this->mCreateaccount ) {
  85                                 return $this->addNewAccount();
  86                         } else if ( $this->mCreateaccountMail ) {
  87                                 return $this->addNewAccountMailPassword();
  88                         } else if ( $this->mMailmypassword ) {
  89                                 return $this->mailPassword();
  90                         } else if ( ( 'submitlogin' == $this->mAction ) || $this->mLoginattempt ) {
  91                                 return $this->processLogin();
  92                         }
  93                 }
  94                 $this->mainLoginForm( '' );
  95         }
  96
  97         /**
  98          * @access private
  99          */
 100         function addNewAccountMailPassword() {
 101                 global $wgOut;
 102
 103                 if ('' == $this->mEmail) {
 104                         $this->mainLoginForm( wfMsg( 'noemail', htmlspecialchars( $this->mName ) ) );
 105                         return;
 106                 }
 107
 108                 $u = $this->addNewaccountInternal();
 109
 110                 if ($u == NULL) {
 111                         return;
 112                 }
 113
 114                 $u->saveSettings();
 115                 $result = $this->mailPasswordInternal($u);
 116
 117                 $wgOut->setPageTitle( wfMsg( 'accmailtitle' ) );
 118                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 119                 $wgOut->setArticleRelated( false );
 120
 121                 if( WikiError::isError( $result ) ) {
 122                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 123                 } else {
 124                         $wgOut->addWikiText( wfMsg( 'accmailtext', $u->getName(), $u->getEmail() ) );
 125                         $wgOut->returnToMain( false );
 126                 }
 127                 $u = 0;
 128         }
 129
 130
 131         /**
 132          * @access private
 133          */
 134         function addNewAccount() {
 135                 global $wgUser, $wgEmailAuthentication;
 136
 137                 $u = $this->addNewAccountInternal();
 138
 139                 if ($u == NULL) {
 140                         return;
 141                 }
 142
 143                 $wgUser = $u;
 144                 $wgUser->setCookies();
 145
 146                 $wgUser->saveSettings();
 147                 if( $wgEmailAuthentication && $wgUser->isValidEmailAddr( $wgUser->getEmail() ) ) {
 148                         $wgUser->sendConfirmationMail();
 149                 }
 150
 151                 wfRunHooks( 'AddNewAccount' );
 152
 153                 if( $this->hasSessionCookie() ) {
 154                         return $this->successfulLogin( wfMsg( 'welcomecreation', $wgUser->getName() ), false );
 155                 } else {
 156                         return $this->cookieRedirectCheck( 'new' );
 157                 }
 158         }
 159
 160         /**
 161          * @access private
 162          */
 163         function addNewAccountInternal() {
 164                 global $wgUser, $wgOut;
 165                 global $wgEnableSorbs, $wgProxyWhitelist;
 166                 global $wgMemc, $wgAccountCreationThrottle, $wgDBname;
 167                 global $wgAuth, $wgMinimalPasswordLength, $wgReservedUsernames;
 168
 169                 // If the user passes an invalid domain, something is fishy
 170                 if( !$wgAuth->validDomain( $this->mDomain ) ) {
 171                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 172                         return false;
 173                 }
 174
 175                 // If we are not allowing users to login locally, we should
 176                 // be checking to see if the user is actually able to
 177                 // authenticate to the authentication server before they
 178                 // create an account (otherwise, they can create a local account
 179                 // and login as any domain user). We only need to check this for
 180                 // domains that aren't local.
 181                 if( 'local' != $this->mDomain && '' != $this->mDomain ) {
 182                         if( !$wgAuth->canCreateAccounts() && ( !$wgAuth->userExists( $this->mName ) || !$wgAuth->authenticate( $this->mName, $this->mPassword ) ) ) {
 183                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 184                                 return false;
 185                         }
 186                 }
 187
 188                 if ( wfReadOnly() ) {
 189                         $wgOut->readOnlyPage();
 190                         return false;
 191                 }
 192
 193                 if (!$wgUser->isAllowedToCreateAccount()) {
 194                         $this->userNotPrivilegedMessage();
 195                         return false;
 196                 }
 197
 198                 $ip = wfGetIP();
 199                 if ( $wgEnableSorbs && !in_array( $ip, $wgProxyWhitelist ) &&
 200                   $wgUser->inSorbsBlacklist( $ip ) )
 201                 {
 202                         $this->mainLoginForm( wfMsg( 'sorbs_create_account_reason' ) . ' (' . htmlspecialchars( $ip ) . ')' );
 203                         return;
 204                 }
 205
 206                 $name = trim( $this->mName );
 207                 $u = User::newFromName( $name );
 208                 if ( is_null( $u ) || in_array( $u->getName(), $wgReservedUsernames ) ) {
 209                         $this->mainLoginForm( wfMsg( 'noname' ) );
 210                         return false;
 211                 }
 212
 213                 if ( 0 != $u->idForName() ) {
 214                         $this->mainLoginForm( wfMsg( 'userexists' ) );
 215                         return false;
 216                 }
 217
 218                 if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 219                         $this->mainLoginForm( wfMsg( 'badretype' ) );
 220                         return false;
 221                 }
 222
 223                 if ( !$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                 $abortError = '';
 241                 if( !wfRunHooks( 'AbortNewAccount', array( $u, &$abortError ) ) ) {
 242                         // Hook point to add extra creation throttles and blocks
 243                         wfDebug( "LoginForm::addNewAccountInternal: a hook blocked creation\n" );
 244                         $this->mainLoginForm( $abortError );
 245                         return false;
 246                 }
 247
 248                 if( !$wgAuth->addUser( $u, $this->mPassword ) ) {
 249                         $this->mainLoginForm( wfMsg( 'externaldberror' ) );
 250                         return false;
 251                 }
 252
 253                 # Update user count
 254                 $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
 255                 $ssUpdate->doUpdate();
 256
 257                 return $this->initUser( $u );
 258         }
 259
 260         /**
 261          * Actually add a user to the database.
 262          * Give it a User object that has been initialised with a name.
 263          *
 264          * @param User $u
 265          * @return User
 266          * @access private
 267          */
 268         function &initUser( &$u ) {
 269                 $u->addToDatabase();
 270                 $u->setPassword( $this->mPassword );
 271                 $u->setEmail( $this->mEmail );
 272                 $u->setRealName( $this->mRealName );
 273                 $u->setToken();
 274
 275                 global $wgAuth;
 276                 $wgAuth->initUser( $u );
 277
 278                 $u->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
 279
 280                 return $u;
 281         }
 282
 283         /**
 284          * @access private
 285          */
 286         function processLogin() {
 287                 global $wgUser, $wgAuth, $wgReservedUsernames;
 288
 289                 if ( '' == $this->mName ) {
 290                         $this->mainLoginForm( wfMsg( 'noname' ) );
 291                         return;
 292                 }
 293                 $u = User::newFromName( $this->mName );
 294                 if( is_null( $u ) || in_array( $u->getName(), $wgReservedUsernames ) ) {
 295                         $this->mainLoginForm( wfMsg( 'noname' ) );
 296                         return;
 297                 }
 298                 if ( 0 == $u->getID() ) {
 299                         global $wgAuth;
 300                         /**
 301                          * If the external authentication plugin allows it,
 302                          * automatically create a new account for users that
 303                          * are externally defined but have not yet logged in.
 304                          */
 305                         if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
 306                                 if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
 307                                         $u =& $this->initUser( $u );
 308                                 } else {
 309                                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 310                                         return;
 311                                 }
 312                         } else {
 313                                 $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 314                                 return;
 315                         }
 316                 } else {
 317                         $u->loadFromDatabase();
 318                 }
 319
 320                 if (!$u->checkPassword( $this->mPassword )) {
 321                         $this->mainLoginForm( wfMsg( $this->mPassword == '' ? 'wrongpasswordempty' : 'wrongpassword' ) );
 322                         return;
 323                 }
 324
 325                 # We've verified now, update the real record
 326                 #
 327                 if ( $this->mRemember ) {
 328                         $r = 1;
 329                 } else {
 330                         $r = 0;
 331                 }
 332                 $u->setOption( 'rememberpassword', $r );
 333
 334                 $wgAuth->updateUser( $u );
 335
 336                 $wgUser = $u;
 337                 $wgUser->setCookies();
 338
 339                 $wgUser->saveSettings();
 340
 341                 if( $this->hasSessionCookie() ) {
 342                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 343                 } else {
 344                         return $this->cookieRedirectCheck( 'login' );
 345                 }
 346         }
 347
 348         /**
 349          * @access private
 350          */
 351         function mailPassword() {
 352                 if ( '' == $this->mName ) {
 353                         $this->mainLoginForm( wfMsg( 'noname' ) );
 354                         return;
 355                 }
 356                 $u = User::newFromName( $this->mName );
 357                 if( is_null( $u ) ) {
 358                         $this->mainLoginForm( wfMsg( 'noname' ) );
 359                         return;
 360                 }
 361                 if ( 0 == $u->getID() ) {
 362                         $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 363                         return;
 364                 }
 365
 366                 $u->loadFromDatabase();
 367
 368                 $result = $this->mailPasswordInternal( $u );
 369                 if( WikiError::isError( $result ) ) {
 370                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 371                 } else {
 372                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ), 'success' );
 373                 }
 374         }
 375
 376
 377         /**
 378          * @return mixed true on success, WikiError on failure
 379          * @access private
 380          */
 381         function mailPasswordInternal( $u ) {
 382                 global $wgCookiePath, $wgCookieDomain, $wgCookiePrefix, $wgCookieSecure;
 383
 384                 if ( '' == $u->getEmail() ) {
 385                         return wfMsg( 'noemail', $u->getName() );
 386                 }
 387
 388                 $np = $u->randomPassword();
 389                 $u->setNewpassword( $np );
 390
 391                 setcookie( "{$wgCookiePrefix}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
 392
 393                 $u->saveSettings();
 394
 395                 $ip = wfGetIP();
 396                 if ( '' == $ip ) { $ip = '(Unknown)'; }
 397
 398                 $m = wfMsg( 'passwordremindertext', $ip, $u->getName(), $np );
 399
 400                 $result = $u->sendMail( wfMsg( 'passwordremindertitle' ), $m );
 401                 return $result;
 402         }
 403
 404
 405         /**
 406          * @param string $msg Message that will be shown on success
 407          * @param bool $auto Toggle auto-redirect to main page; default true
 408          * @access private
 409          */
 410         function successfulLogin( $msg, $auto = true ) {
 411                 global $wgUser;
 412                 global $wgOut;
 413
 414                 # Run any hooks; ignore results
 415
 416                 wfRunHooks('UserLoginComplete', array(&$wgUser));
 417
 418                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 419                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 420                 $wgOut->setArticleRelated( false );
 421                 $wgOut->addWikiText( $msg );
 422                 $wgOut->returnToMain( $auto );
 423         }
 424
 425         /** */
 426         function userNotPrivilegedMessage() {
 427                 global $wgOut;
 428
 429                 $wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
 430                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 431                 $wgOut->setArticleRelated( false );
 432
 433                 $wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
 434
 435                 $wgOut->returnToMain( false );
 436         }
 437
 438         /**
 439          * @access private
 440          */
 441         function mainLoginForm( $msg, $msgtype = 'error' ) {
 442                 global $wgUser, $wgOut;
 443                 global $wgAllowRealName, $wgEnableEmail;
 444                 global $wgCookiePrefix;
 445                 global $wgAuth;
 446
 447                 if ( '' == $this->mName ) {
 448                         if ( $wgUser->isLoggedIn() ) {
 449                                 $this->mName = $wgUser->getName();
 450                         } else {
 451                                 $this->mName = @$_COOKIE[$wgCookiePrefix.'UserName'];
 452                         }
 453                 }
 454
 455                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 456
 457                 require_once( 'SkinTemplate.php' );
 458                 require_once( 'templates/Userlogin.php' );
 459
 460                 if ( $this->mType == 'signup' ) {
 461                         $template =& new UsercreateTemplate();
 462                         $q = 'action=submitlogin&type=signup';
 463                         $linkq = 'type=login';
 464                         $linkmsg = 'gotaccount';
 465                 } else {
 466                         $template =& new UserloginTemplate();
 467                         $q = 'action=submitlogin&type=login';
 468                         $linkq = 'type=signup';
 469                         $linkmsg = 'nologin';
 470                 }
 471
 472                 if ( !empty( $this->mReturnto ) ) {
 473                         $returnto = '&returnto=' . wfUrlencode( $this->mReturnto );
 474                         $q .= $returnto;
 475                         $linkq .= $returnto;
 476                 }
 477
 478                 $link = '<a href="' . htmlspecialchars ( $titleObj->getLocalUrl( $linkq ) ) . '">';
 479                 $link .= wfMsgHtml( $linkmsg . 'link' );
 480                 $link .= '</a>';
 481
 482                 # Don't show a "create account" link if the user can't
 483                 if( $this->showCreateOrLoginLink( $wgUser ) )
 484                         $template->set( 'link', wfMsgHtml( $linkmsg, $link ) );
 485                 else
 486                         $template->set( 'link', '' );
 487
 488                 $template->set( 'header', '' );
 489                 $template->set( 'name', $this->mName );
 490                 $template->set( 'password', $this->mPassword );
 491                 $template->set( 'retype', $this->mRetype );
 492                 $template->set( 'email', $this->mEmail );
 493                 $template->set( 'realname', $this->mRealName );
 494                 $template->set( 'domain', $this->mDomain );
 495
 496                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 497                 $template->set( 'message', $msg );
 498                 $template->set( 'messagetype', $msgtype );
 499                 $template->set( 'create', $wgUser->isAllowedToCreateAccount() );
 500                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 501                 $template->set( 'userealname', $wgAllowRealName );
 502                 $template->set( 'useemail', $wgEnableEmail );
 503                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 504
 505                 // Give authentication and captcha plugins a chance to modify the form
 506                 $wgAuth->modifyUITemplate( $template );
 507                 if ( $this->mType == 'signup' ) {
 508                         wfRunHooks( 'UserCreateForm', array( &$template ) );
 509                 } else {
 510                         wfRunHooks( 'UserLoginForm', array( &$template ) );
 511                 }
 512
 513                 $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 514                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 515                 $wgOut->setArticleRelated( false );
 516                 $wgOut->addTemplate( $template );
 517         }
 518
 519         /**
 520          * @access private
 521          */
 522         function showCreateOrLoginLink( &$user ) {
 523                 if( $this->mType == 'signup' ) {
 524                         return( true );
 525                 } elseif( $user->isAllowedToCreateAccount() ) {
 526                         return( true );
 527                 } else {
 528                         return( false );
 529                 }
 530         }
 531
 532         /**
 533          * @access private
 534          */
 535         function hasSessionCookie() {
 536                 global $wgDisableCookieCheck;
 537                 return ( $wgDisableCookieCheck ) ? true : ( isset( $_COOKIE[session_name()] ) );
 538         }
 539
 540         /**
 541          * @access private
 542          */
 543         function cookieRedirectCheck( $type ) {
 544                 global $wgOut;
 545
 546                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 547                 $check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
 548
 549                 return $wgOut->redirect( $check );
 550         }
 551
 552         /**
 553          * @access private
 554          */
 555         function onCookieRedirectCheck( $type ) {
 556                 global $wgUser;
 557
 558                 if ( !$this->hasSessionCookie() ) {
 559                         if ( $type == 'new' ) {
 560                                 return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
 561                         } else if ( $type == 'login' ) {
 562                                 return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
 563                         } else {
 564                                 # shouldn't happen
 565                                 return $this->mainLoginForm( wfMsg( 'error' ) );
 566                         }
 567                 } else {
 568                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 569                 }
 570         }
 571
 572         /**
 573          * @access private
 574          */
 575         function throttleHit( $limit ) {
 576                 global $wgOut;
 577
 578                 $wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
 579         }
 580 }
 581 ?>