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;
 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( $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;
 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 ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 194                         $this->mainLoginForm( wfMsg( 'badretype' ) );
 195                         return false;
 196                 }
 197
 198                 $name = trim( $this->mName );
 199                 $u = User::newFromName( $name );
 200                 if ( is_null( $u ) ||
 201                   ( '' == $name ) ||
 202                   $wgUser->isIP( $name ) ||
 203                   (strpos( $name, '/' ) !== false) ||
 204                   (strlen( $name ) > $wgMaxNameChars) ||
 205                   ucFirst($name) != $u->getName() )
 206                 {
 207                         $this->mainLoginForm( wfMsg( 'noname' ) );
 208                         return false;
 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 ( strlen( $this->mPassword ) < $wgMinimalPasswordLength ) {
 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                 return $this->initUser( $u );
 243         }
 244
 245         /**
 246          * Actually add a user to the database.
 247          * Give it a User object that has been initialised with a name.
 248          *
 249          * @param User $u
 250          * @return User
 251          * @access private
 252          */
 253         function &initUser( &$u ) {
 254                 $u->addToDatabase();
 255                 $u->setPassword( $this->mPassword );
 256                 $u->setEmail( $this->mEmail );
 257                 $u->setRealName( $this->mRealName );
 258                 $u->setToken();
 259
 260                 global $wgAuth;
 261                 $wgAuth->initUser( $u );
 262
 263                 if ( $this->mRemember ) { $r = 1; }
 264                 else { $r = 0; }
 265                 $u->setOption( 'rememberpassword', $r );
 266
 267                 return $u;
 268         }
 269
 270         /**
 271          * @access private
 272          */
 273         function processLogin() {
 274                 global $wgUser;
 275                 global $wgAuth;
 276
 277                 if ( '' == $this->mName ) {
 278                         $this->mainLoginForm( wfMsg( 'noname' ) );
 279                         return;
 280                 }
 281                 $u = User::newFromName( $this->mName );
 282                 if( is_null( $u ) ) {
 283                         $this->mainLoginForm( wfMsg( 'noname' ) );
 284                         return;
 285                 }
 286                 if ( 0 == $u->getID() ) {
 287                         global $wgAuth;
 288                         /**
 289                          * If the external authentication plugin allows it,
 290                          * automatically create a new account for users that
 291                          * are externally defined but have not yet logged in.
 292                          */
 293                         if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
 294                                 if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
 295                                         $u =& $this->initUser( $u );
 296                                 } else {
 297                                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 298                                         return;
 299                                 }
 300                         } else {
 301                                 $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 302                                 return;
 303                         }
 304                 } else {
 305                         $u->loadFromDatabase();
 306                 }
 307
 308                 if (!$u->checkPassword( $this->mPassword )) {
 309                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 310                         return;
 311                 }
 312
 313                 # We've verified now, update the real record
 314                 #
 315                 if ( $this->mRemember ) {
 316                         $r = 1;
 317                 } else {
 318                         $r = 0;
 319                 }
 320                 $u->setOption( 'rememberpassword', $r );
 321
 322                 $wgAuth->updateUser( $u );
 323
 324                 $wgUser = $u;
 325                 $wgUser->setCookies();
 326
 327                 $wgUser->saveSettings();
 328
 329                 if( $this->hasSessionCookie() ) {
 330                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 331                 } else {
 332                         return $this->cookieRedirectCheck( 'login' );
 333                 }
 334         }
 335
 336         /**
 337          * @access private
 338          */
 339         function mailPassword() {
 340                 global $wgUser, $wgDeferredUpdateList, $wgOutputEncoding;
 341                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 342
 343                 if ( '' == $this->mName ) {
 344                         $this->mainLoginForm( wfMsg( 'noname' ) );
 345                         return;
 346                 }
 347                 $u = User::newFromName( $this->mName );
 348                 if( is_null( $u ) ) {
 349                         $this->mainLoginForm( wfMsg( 'noname' ) );
 350                         return;
 351                 }
 352                 if ( 0 == $u->getID() ) {
 353                         $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 354                         return;
 355                 }
 356
 357                 $u->loadFromDatabase();
 358
 359                 $result = $this->mailPasswordInternal( $u );
 360                 if( WikiError::isError( $result ) ) {
 361                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 362                 } else {
 363                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ) );
 364                 }
 365         }
 366
 367
 368         /**
 369          * @return mixed true on success, WikiError on failure
 370          * @access private
 371          */
 372         function mailPasswordInternal( $u ) {
 373                 global $wgPasswordSender, $wgDBname, $wgIP;
 374                 global $wgCookiePath, $wgCookieDomain;
 375
 376                 if ( '' == $u->getEmail() ) {
 377                         return wfMsg( 'noemail', $u->getName() );
 378                 }
 379
 380                 $np = $u->randomPassword();
 381                 $u->setNewpassword( $np );
 382
 383                 setcookie( "{$wgDBname}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 384
 385                 $u->saveSettings();
 386
 387                 $ip = $wgIP;
 388                 if ( '' == $ip ) { $ip = '(Unknown)'; }
 389
 390                 $m = wfMsg( 'passwordremindermailbody', $ip, $u->getName(), wfUrlencode($u->getName()), $np );
 391                 $result = $u->sendMail( wfMsg( 'passwordremindermailsubject' ), $m );
 392
 393                 return $result;
 394         }
 395
 396
 397         /**
 398          * @param string $msg Message that will be shown on success.
 399          * @access private
 400          */
 401         function successfulLogin( $msg ) {
 402                 global $wgUser;
 403                 global $wgOut;
 404
 405                 # Run any hooks; ignore results
 406
 407                 wfRunHooks('UserLoginComplete', array(&$wgUser));
 408
 409                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 410                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 411                 $wgOut->setArticleRelated( false );
 412                 $wgOut->addWikiText( $msg );
 413                 $wgOut->returnToMain();
 414         }
 415
 416         /** */
 417         function userNotPrivilegedMessage() {
 418                 global $wgOut;
 419
 420                 $wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
 421                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 422                 $wgOut->setArticleRelated( false );
 423
 424                 $wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
 425
 426                 $wgOut->returnToMain( false );
 427         }
 428
 429         /**
 430          * @access private
 431          */
 432         function mainLoginForm( $err ) {
 433                 global $wgUser, $wgOut, $wgLang;
 434                 global $wgDBname, $wgAllowRealName, $wgEnableEmail;
 435                 global $wgAuth;
 436
 437                 if ( '' == $this->mName ) {
 438                         if ( $wgUser->isLoggedIn() ) {
 439                                 $this->mName = $wgUser->getName();
 440                         } else {
 441                                 $this->mName = @$_COOKIE[$wgDBname.'UserName'];
 442                         }
 443                 }
 444
 445                 $q = 'action=submitlogin';
 446                 if ( !empty( $this->mReturnto ) ) {
 447                         $q .= '&returnto=' . wfUrlencode( $this->mReturnto );
 448                 }
 449                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 450
 451                 require_once( 'templates/Userlogin.php' );
 452                 $template =& new UserloginTemplate();
 453
 454                 $template->set( 'name', $this->mName );
 455                 $template->set( 'password', $this->mPassword );
 456                 $template->set( 'retype', $this->mRetype );
 457                 $template->set( 'email', $this->mEmail );
 458                 $template->set( 'realname', $this->mRealName );
 459                 $template->set( 'domain', $this->mDomain );
 460
 461                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 462                 $template->set( 'error', $err );
 463                 $template->set( 'create', $wgUser->isAllowedToCreateAccount() );
 464                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 465                 $template->set( 'userealname', $wgAllowRealName );
 466                 $template->set( 'useemail', $wgEnableEmail );
 467                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 468                 $wgAuth->modifyUITemplate( $template );
 469
 470                 $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 471                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 472                 $wgOut->setArticleRelated( false );
 473                 $wgOut->addTemplate( $template );
 474         }
 475
 476         /**
 477          * @access private
 478          */
 479         function hasSessionCookie() {
 480                 global $wgDisableCookieCheck;
 481                 return ( $wgDisableCookieCheck ) ? true : ( '' != $_COOKIE[session_name()] );
 482         }
 483
 484         /**
 485          * @access private
 486          */
 487         function cookieRedirectCheck( $type ) {
 488                 global $wgOut, $wgLang;
 489
 490                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 491                 $check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
 492
 493                 return $wgOut->redirect( $check );
 494         }
 495
 496         /**
 497          * @access private
 498          */
 499         function onCookieRedirectCheck( $type ) {
 500                 global $wgUser;
 501
 502                 if ( !$this->hasSessionCookie() ) {
 503                         if ( $type == 'new' ) {
 504                                 return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
 505                         } else if ( $type == 'login' ) {
 506                                 return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
 507                         } else {
 508                                 # shouldn't happen
 509                                 return $this->mainLoginForm( wfMsg( 'error' ) );
 510                         }
 511                 } else {
 512                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 513                 }
 514         }
 515
 516         /**
 517          * @access private
 518          */
 519         function throttleHit( $limit ) {
 520                 global $wgOut;
 521
 522                 $wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
 523         }
 524 }
 525 ?>