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[ini_get('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 $wgMaxNameChars, $wgUseLatin1, $wgEnableSorbs, $wgProxyWhitelist;
 163                 global $wgMemc, $wgAccountCreationThrottle, $wgDBname, $wgIP;
 164                 global $wgMinimalPasswordLength;
 165                 global $wgAuth;
 166
 167                 // If the user passes an invalid domain, something is fishy
 168                 if( !$wgAuth->validDomain( $this->mDomain ) ) {
 169                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 170                         return false;
 171                 }
 172
 173                 // If we are not allowing users to login locally, we should
 174                 // be checking to see if the user is actually able to
 175                 // authenticate to the authentication server before they
 176                 // create an account (otherwise, they can create a local account
 177                 // and login as any domain user). We only need to check this for
 178                 // domains that aren't local.
 179                 if( 'local' != $this->mDomain && '' != $this->mDomain ) {
 180                         if( !$wgAuth->canCreateAccounts() && ( !$wgAuth->userExists( $this->mName ) || !$wgAuth->authenticate( $this->mName, $this->mPassword ) ) ) {
 181                                 $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 182                                 return false;
 183                         }
 184                 }
 185
 186
 187
 188                 if (!$wgUser->isAllowedToCreateAccount()) {
 189                         $this->userNotPrivilegedMessage();
 190                         return false;
 191                 }
 192
 193                 if ( $wgEnableSorbs && !in_array( $wgIP, $wgProxyWhitelist ) &&
 194                   $wgUser->inSorbsBlacklist( $wgIP ) )
 195                 {
 196                         $this->mainLoginForm( wfMsg( 'sorbs_create_account_reason' ) );
 197                         return;
 198                 }
 199
 200
 201                 if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 202                         $this->mainLoginForm( wfMsg( 'badretype' ) );
 203                         return false;
 204                 }
 205
 206                 $name = trim( $this->mName );
 207                 $u = User::newFromName( $name );
 208                 if ( is_null( $u ) ||
 209                   ( '' == $name ) ||
 210                   $wgUser->isIP( $name ) ||
 211                   (strpos( $name, '/' ) !== false) ||
 212                   (strlen( $name ) > $wgMaxNameChars) ||
 213                   ucFirst($name) != $u->getName() )
 214                 {
 215                         $this->mainLoginForm( wfMsg( 'noname' ) );
 216                         return false;
 217                 }
 218                 if ( wfReadOnly() ) {
 219                         $wgOut->readOnlyPage();
 220                         return false;
 221                 }
 222
 223                 if ( 0 != $u->idForName() ) {
 224                         $this->mainLoginForm( wfMsg( 'userexists' ) );
 225                         return false;
 226                 }
 227
 228                 if ( strlen( $this->mPassword ) < $wgMinimalPasswordLength ) {
 229                         $this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
 230                         return false;
 231                 }
 232
 233                 if ( $wgAccountCreationThrottle ) {
 234                         $key = $wgDBname.':acctcreate:ip:'.$wgIP;
 235                         $value = $wgMemc->incr( $key );
 236                         if ( !$value ) {
 237                                 $wgMemc->set( $key, 1, 86400 );
 238                         }
 239                         if ( $value > $wgAccountCreationThrottle ) {
 240                                 $this->throttleHit( $wgAccountCreationThrottle );
 241                                 return false;
 242                         }
 243                 }
 244
 245                 if( !$wgAuth->addUser( $u, $this->mPassword ) ) {
 246                         $this->mainLoginForm( wfMsg( 'externaldberror' ) );
 247                         return false;
 248                 }
 249
 250                 # Update user count
 251                 $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
 252                 $ssUpdate->doUpdate();
 253
 254                 return $this->initUser( $u );
 255         }
 256
 257         /**
 258          * Actually add a user to the database.
 259          * Give it a User object that has been initialised with a name.
 260          *
 261          * @param User $u
 262          * @return User
 263          * @access private
 264          */
 265         function &initUser( &$u ) {
 266                 $u->addToDatabase();
 267                 $u->setPassword( $this->mPassword );
 268                 $u->setEmail( $this->mEmail );
 269                 $u->setRealName( $this->mRealName );
 270                 $u->setToken();
 271
 272                 global $wgAuth;
 273                 $wgAuth->initUser( $u );
 274
 275                 if ( $this->mRemember ) { $r = 1; }
 276                 else { $r = 0; }
 277                 $u->setOption( 'rememberpassword', $r );
 278
 279                 return $u;
 280         }
 281
 282         /**
 283          * @access private
 284          */
 285         function processLogin() {
 286                 global $wgUser;
 287                 global $wgAuth;
 288
 289                 if ( '' == $this->mName ) {
 290                         $this->mainLoginForm( wfMsg( 'noname' ) );
 291                         return;
 292                 }
 293                 $u = User::newFromName( $this->mName );
 294                 if( is_null( $u ) ) {
 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( '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                 global $wgUser, $wgDeferredUpdateList, $wgOutputEncoding;
 353                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 354
 355                 if ( '' == $this->mName ) {
 356                         $this->mainLoginForm( wfMsg( 'noname' ) );
 357                         return;
 358                 }
 359                 $u = User::newFromName( $this->mName );
 360                 if( is_null( $u ) ) {
 361                         $this->mainLoginForm( wfMsg( 'noname' ) );
 362                         return;
 363                 }
 364                 if ( 0 == $u->getID() ) {
 365                         $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 366                         return;
 367                 }
 368
 369                 $u->loadFromDatabase();
 370
 371                 $result = $this->mailPasswordInternal( $u );
 372                 if( WikiError::isError( $result ) ) {
 373                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 374                 } else {
 375                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ) );
 376                 }
 377         }
 378
 379
 380         /**
 381          * @return mixed true on success, WikiError on failure
 382          * @access private
 383          */
 384         function mailPasswordInternal( $u ) {
 385                 global $wgPasswordSender, $wgDBname, $wgIP;
 386                 global $wgCookiePath, $wgCookieDomain;
 387
 388                 if ( '' == $u->getEmail() ) {
 389                         return wfMsg( 'noemail', $u->getName() );
 390                 }
 391
 392                 $np = $u->randomPassword();
 393                 $u->setNewpassword( $np );
 394
 395                 setcookie( "{$wgDBname}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 396
 397                 $u->saveSettings();
 398
 399                 $ip = $wgIP;
 400                 if ( '' == $ip ) { $ip = '(Unknown)'; }
 401
 402                 $m = wfMsg( 'passwordremindertext', $ip, $u->getName(), $np );
 403
 404                 $result = $u->sendMail( wfMsg( 'passwordremindertitle' ), $m );
 405                 return $result;
 406         }
 407
 408
 409         /**
 410          * @param string $msg Message that will be shown on success.
 411          * @access private
 412          */
 413         function successfulLogin( $msg ) {
 414                 global $wgUser;
 415                 global $wgOut;
 416
 417                 # Run any hooks; ignore results
 418
 419                 wfRunHooks('UserLoginComplete', array(&$wgUser));
 420
 421                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 422                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 423                 $wgOut->setArticleRelated( false );
 424                 $wgOut->addWikiText( $msg );
 425                 $wgOut->returnToMain();
 426         }
 427
 428         /** */
 429         function userNotPrivilegedMessage() {
 430                 global $wgOut;
 431
 432                 $wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
 433                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 434                 $wgOut->setArticleRelated( false );
 435
 436                 $wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
 437
 438                 $wgOut->returnToMain( false );
 439         }
 440
 441         /**
 442          * @access private
 443          */
 444         function mainLoginForm( $err ) {
 445                 global $wgUser, $wgOut, $wgLang;
 446                 global $wgDBname, $wgAllowRealName, $wgEnableEmail;
 447                 global $wgAuth;
 448
 449                 if ( '' == $this->mName ) {
 450                         if ( $wgUser->isLoggedIn() ) {
 451                                 $this->mName = $wgUser->getName();
 452                         } else {
 453                                 $this->mName = @$_COOKIE[$wgDBname.'UserName'];
 454                         }
 455                 }
 456
 457                 $q = 'action=submitlogin';
 458                 if ( !empty( $this->mReturnto ) ) {
 459                         $q .= '&returnto=' . wfUrlencode( $this->mReturnto );
 460                 }
 461                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 462
 463                 require_once( 'templates/Userlogin.php' );
 464                 $template =& new UserloginTemplate();
 465
 466                 $template->set( 'name', $this->mName );
 467                 $template->set( 'password', $this->mPassword );
 468                 $template->set( 'retype', $this->mRetype );
 469                 $template->set( 'email', $this->mEmail );
 470                 $template->set( 'realname', $this->mRealName );
 471                 $template->set( 'domain', $this->mDomain );
 472
 473                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 474                 $template->set( 'error', $err );
 475                 $template->set( 'create', $wgUser->isAllowedToCreateAccount() );
 476                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 477                 $template->set( 'userealname', $wgAllowRealName );
 478                 $template->set( 'useemail', $wgEnableEmail );
 479                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 480                 $wgAuth->modifyUITemplate( $template );
 481
 482                 $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 483                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 484                 $wgOut->setArticleRelated( false );
 485                 $wgOut->addTemplate( $template );
 486         }
 487
 488         /**
 489          * @access private
 490          */
 491         function hasSessionCookie() {
 492                 global $wgDisableCookieCheck;
 493                 return ( $wgDisableCookieCheck ) ? true : ( '' != $_COOKIE[session_name()] );
 494         }
 495
 496         /**
 497          * @access private
 498          */
 499         function cookieRedirectCheck( $type ) {
 500                 global $wgOut, $wgLang;
 501
 502                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 503                 $check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
 504
 505                 return $wgOut->redirect( $check );
 506         }
 507
 508         /**
 509          * @access private
 510          */
 511         function onCookieRedirectCheck( $type ) {
 512                 global $wgUser;
 513
 514                 if ( !$this->hasSessionCookie() ) {
 515                         if ( $type == 'new' ) {
 516                                 return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
 517                         } else if ( $type == 'login' ) {
 518                                 return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
 519                         } else {
 520                                 # shouldn't happen
 521                                 return $this->mainLoginForm( wfMsg( 'error' ) );
 522                         }
 523                 } else {
 524                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 525                 }
 526         }
 527
 528         /**
 529          * @access private
 530          */
 531         function throttleHit( $limit ) {
 532                 global $wgOut;
 533
 534                 $wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
 535         }
 536 }
 537 ?>