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, $wgMinimalPasswordLength;
 168
 169                 // If the user passes an invalid domain, something is fishy
 170                 if( !$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                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 184                                 return false;
 185                         }
 186                 }
 187
 188                 if (!$wgUser->isAllowedToCreateAccount()) {
 189                         $this->userNotPrivilegedMessage();
 190                         return false;
 191                 }
 192
 193                 $ip = wfGetIP();
 194                 if ( $wgEnableSorbs && !in_array( $ip, $wgProxyWhitelist ) &&
 195                   $wgUser->inSorbsBlacklist( $ip ) )
 196                 {
 197                         $this->mainLoginForm( wfMsg( 'sorbs_create_account_reason' ) . ' (' . htmlspecialchars( $ip ) . ')' );
 198                         return;
 199                 }
 200
 201
 202                 if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 203                         $this->mainLoginForm( wfMsg( 'badretype' ) );
 204                         return false;
 205                 }
 206
 207                 $name = trim( $this->mName );
 208                 $u = User::newFromName( $name );
 209                 if ( is_null( $u ) ) {
 210                         $this->mainLoginForm( wfMsg( 'noname' ) );
 211                         return false;
 212                 }
 213
 214                 if ( wfReadOnly() ) {
 215                         $wgOut->readOnlyPage();
 216                         return false;
 217                 }
 218
 219                 if ( 0 != $u->idForName() ) {
 220                         $this->mainLoginForm( wfMsg( 'userexists' ) );
 221                         return false;
 222                 }
 223
 224                 if ( !$wgUser->isValidPassword( $this->mPassword ) ) {
 225                         $this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
 226                         return false;
 227                 }
 228
 229                 if ( $wgAccountCreationThrottle ) {
 230                         $key = $wgDBname.':acctcreate:ip:'.$ip;
 231                         $value = $wgMemc->incr( $key );
 232                         if ( !$value ) {
 233                                 $wgMemc->set( $key, 1, 86400 );
 234                         }
 235                         if ( $value > $wgAccountCreationThrottle ) {
 236                                 $this->throttleHit( $wgAccountCreationThrottle );
 237                                 return false;
 238                         }
 239                 }
 240
 241                 $abortError = '';
 242                 if( !wfRunHooks( 'AbortNewAccount', array( $u, &$abortError ) ) ) {
 243                         // Hook point to add extra creation throttles and blocks
 244                         wfDebug( "LoginForm::addNewAccountInternal: a hook blocked creation\n" );
 245                         $this->mainLoginForm( $abortError );
 246                         return false;
 247                 }
 248
 249                 if( !$wgAuth->addUser( $u, $this->mPassword ) ) {
 250                         $this->mainLoginForm( wfMsg( 'externaldberror' ) );
 251                         return false;
 252                 }
 253
 254                 # Update user count
 255                 $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
 256                 $ssUpdate->doUpdate();
 257
 258                 return $this->initUser( $u );
 259         }
 260
 261         /**
 262          * Actually add a user to the database.
 263          * Give it a User object that has been initialised with a name.
 264          *
 265          * @param User $u
 266          * @return User
 267          * @access private
 268          */
 269         function &initUser( &$u ) {
 270                 $u->addToDatabase();
 271                 $u->setPassword( $this->mPassword );
 272                 $u->setEmail( $this->mEmail );
 273                 $u->setRealName( $this->mRealName );
 274                 $u->setToken();
 275
 276                 global $wgAuth;
 277                 $wgAuth->initUser( $u );
 278
 279                 $u->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
 280
 281                 return $u;
 282         }
 283
 284         /**
 285          * @access private
 286          */
 287         function processLogin() {
 288                 global $wgUser;
 289                 global $wgAuth;
 290
 291                 if ( '' == $this->mName ) {
 292                         $this->mainLoginForm( wfMsg( 'noname' ) );
 293                         return;
 294                 }
 295                 $u = User::newFromName( $this->mName );
 296                 if( is_null( $u ) ) {
 297                         $this->mainLoginForm( wfMsg( 'noname' ) );
 298                         return;
 299                 }
 300                 if ( 0 == $u->getID() ) {
 301                         global $wgAuth;
 302                         /**
 303                          * If the external authentication plugin allows it,
 304                          * automatically create a new account for users that
 305                          * are externally defined but have not yet logged in.
 306                          */
 307                         if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
 308                                 if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
 309                                         $u =& $this->initUser( $u );
 310                                 } else {
 311                                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 312                                         return;
 313                                 }
 314                         } else {
 315                                 $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 316                                 return;
 317                         }
 318                 } else {
 319                         $u->loadFromDatabase();
 320                 }
 321
 322                 if (!$u->checkPassword( $this->mPassword )) {
 323                         $this->mainLoginForm( wfMsg( $this->mPassword == '' ? 'wrongpasswordempty' : 'wrongpassword' ) );
 324                         return;
 325                 }
 326
 327                 # We've verified now, update the real record
 328                 #
 329                 if ( $this->mRemember ) {
 330                         $r = 1;
 331                 } else {
 332                         $r = 0;
 333                 }
 334                 $u->setOption( 'rememberpassword', $r );
 335
 336                 $wgAuth->updateUser( $u );
 337
 338                 $wgUser = $u;
 339                 $wgUser->setCookies();
 340
 341                 $wgUser->saveSettings();
 342
 343                 if( $this->hasSessionCookie() ) {
 344                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 345                 } else {
 346                         return $this->cookieRedirectCheck( 'login' );
 347                 }
 348         }
 349
 350         /**
 351          * @access private
 352          */
 353         function mailPassword() {
 354                 if ( '' == $this->mName ) {
 355                         $this->mainLoginForm( wfMsg( 'noname' ) );
 356                         return;
 357                 }
 358                 $u = User::newFromName( $this->mName );
 359                 if( is_null( $u ) ) {
 360                         $this->mainLoginForm( wfMsg( 'noname' ) );
 361                         return;
 362                 }
 363                 if ( 0 == $u->getID() ) {
 364                         $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 365                         return;
 366                 }
 367
 368                 $u->loadFromDatabase();
 369
 370                 $result = $this->mailPasswordInternal( $u );
 371                 if( WikiError::isError( $result ) ) {
 372                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 373                 } else {
 374                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ), 'success' );
 375                 }
 376         }
 377
 378
 379         /**
 380          * @return mixed true on success, WikiError on failure
 381          * @access private
 382          */
 383         function mailPasswordInternal( $u ) {
 384                 global $wgCookiePath, $wgCookieDomain, $wgCookiePrefix, $wgCookieSecure;
 385
 386                 if ( '' == $u->getEmail() ) {
 387                         return wfMsg( 'noemail', $u->getName() );
 388                 }
 389
 390                 $np = $u->randomPassword();
 391                 $u->setNewpassword( $np );
 392
 393                 setcookie( "{$wgCookiePrefix}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
 394
 395                 $u->saveSettings();
 396
 397                 $ip = wfGetIP();
 398                 if ( '' == $ip ) { $ip = '(Unknown)'; }
 399
 400                 $m = wfMsg( 'passwordremindertext', $ip, $u->getName(), $np );
 401
 402                 $result = $u->sendMail( wfMsg( 'passwordremindertitle' ), $m );
 403                 return $result;
 404         }
 405
 406
 407         /**
 408          * @param string $msg Message that will be shown on success
 409          * @param bool $auto Toggle auto-redirect to main page; default true
 410          * @access private
 411          */
 412         function successfulLogin( $msg, $auto = true ) {
 413                 global $wgUser;
 414                 global $wgOut;
 415
 416                 # Run any hooks; ignore results
 417
 418                 wfRunHooks('UserLoginComplete', array(&$wgUser));
 419
 420                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 421                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 422                 $wgOut->setArticleRelated( false );
 423                 $wgOut->addWikiText( $msg );
 424                 $wgOut->returnToMain( $auto );
 425         }
 426
 427         /** */
 428         function userNotPrivilegedMessage() {
 429                 global $wgOut;
 430
 431                 $wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
 432                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 433                 $wgOut->setArticleRelated( false );
 434
 435                 $wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
 436
 437                 $wgOut->returnToMain( false );
 438         }
 439
 440         /**
 441          * @access private
 442          */
 443         function mainLoginForm( $msg, $msgtype = 'error' ) {
 444                 global $wgUser, $wgOut;
 445                 global $wgAllowRealName, $wgEnableEmail;
 446                 global $wgCookiePrefix;
 447                 global $wgAuth;
 448
 449                 if ( '' == $this->mName ) {
 450                         if ( $wgUser->isLoggedIn() ) {
 451                                 $this->mName = $wgUser->getName();
 452                         } else {
 453                                 $this->mName = @$_COOKIE[$wgCookiePrefix.'UserName'];
 454                         }
 455                 }
 456
 457                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 458
 459                 require_once( 'SkinTemplate.php' );
 460                 require_once( 'templates/Userlogin.php' );
 461
 462                 if ( $this->mType == 'signup' ) {
 463                         $template =& new UsercreateTemplate();
 464                         $q = 'action=submitlogin&type=signup';
 465                         $linkq = 'type=login';
 466                         $linkmsg = 'gotaccount';
 467                 } else {
 468                         $template =& new UserloginTemplate();
 469                         $q = 'action=submitlogin&type=login';
 470                         $linkq = 'type=signup';
 471                         $linkmsg = 'nologin';
 472                 }
 473
 474                 if ( !empty( $this->mReturnto ) ) {
 475                         $returnto = '&returnto=' . wfUrlencode( $this->mReturnto );
 476                         $q .= $returnto;
 477                         $linkq .= $returnto;
 478                 }
 479
 480                 $link = '<a href="' . htmlspecialchars ( $titleObj->getLocalUrl( $linkq ) ) . '">';
 481                 $link .= wfMsgHtml( $linkmsg . 'link' );
 482                 $link .= '</a>';
 483
 484                 # Don't show a "create account" link if the user can't
 485                 if( $this->showCreateOrLoginLink( $wgUser ) )
 486                         $template->set( 'link', wfMsgHtml( $linkmsg, $link ) );
 487                 else
 488                         $template->set( 'link', '' );
 489
 490                 $template->set( 'header', '' );
 491                 $template->set( 'name', $this->mName );
 492                 $template->set( 'password', $this->mPassword );
 493                 $template->set( 'retype', $this->mRetype );
 494                 $template->set( 'email', $this->mEmail );
 495                 $template->set( 'realname', $this->mRealName );
 496                 $template->set( 'domain', $this->mDomain );
 497
 498                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 499                 $template->set( 'message', $msg );
 500                 $template->set( 'messagetype', $msgtype );
 501                 $template->set( 'create', $wgUser->isAllowedToCreateAccount() );
 502                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 503                 $template->set( 'userealname', $wgAllowRealName );
 504                 $template->set( 'useemail', $wgEnableEmail );
 505                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 506
 507                 // Give authentication and captcha plugins a chance to modify the form
 508                 $wgAuth->modifyUITemplate( $template );
 509                 if ( $this->mType == 'signup' ) {
 510                         wfRunHooks( 'UserCreateForm', array( &$template ) );
 511                 } else {
 512                         wfRunHooks( 'UserLoginForm', array( &$template ) );
 513                 }
 514
 515                 $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 516                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 517                 $wgOut->setArticleRelated( false );
 518                 $wgOut->addTemplate( $template );
 519         }
 520
 521         /**
 522          * @access private
 523          */
 524         function showCreateOrLoginLink( &$user ) {
 525                 if( $this->mType == 'signup' ) {
 526                         return( true );
 527                 } elseif( $user->isAllowedToCreateAccount() ) {
 528                         return( true );
 529                 } else {
 530                         return( false );
 531                 }
 532         }
 533
 534         /**
 535          * @access private
 536          */
 537         function hasSessionCookie() {
 538                 global $wgDisableCookieCheck;
 539                 return ( $wgDisableCookieCheck ) ? true : ( isset( $_COOKIE[session_name()] ) );
 540         }
 541
 542         /**
 543          * @access private
 544          */
 545         function cookieRedirectCheck( $type ) {
 546                 global $wgOut;
 547
 548                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 549                 $check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
 550
 551                 return $wgOut->redirect( $check );
 552         }
 553
 554         /**
 555          * @access private
 556          */
 557         function onCookieRedirectCheck( $type ) {
 558                 global $wgUser;
 559
 560                 if ( !$this->hasSessionCookie() ) {
 561                         if ( $type == 'new' ) {
 562                                 return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
 563                         } else if ( $type == 'login' ) {
 564                                 return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
 565                         } else {
 566                                 # shouldn't happen
 567                                 return $this->mainLoginForm( wfMsg( 'error' ) );
 568                         }
 569                 } else {
 570                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 571                 }
 572         }
 573
 574         /**
 575          * @access private
 576          */
 577         function throttleHit( $limit ) {
 578                 global $wgOut;
 579
 580                 $wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
 581         }
 582 }
 583 ?>