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;
  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
  39                 $this->mName = $request->getText( 'wpName' );
  40                 $this->mPassword = $request->getText( 'wpPassword' );
  41                 $this->mRetype = $request->getText( 'wpRetype' );
  42                 $this->mReturnto = $request->getVal( 'returnto' );
  43                 $this->mCookieCheck = $request->getVal( 'wpCookieCheck' );
  44                 $this->mPosted = $request->wasPosted();
  45                 $this->mCreateaccount = $request->getCheck( 'wpCreateaccount' );
  46                 $this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' )
  47                                             && $wgEnableEmail;
  48                 $this->mMailmypassword = $request->getCheck( 'wpMailmypassword' )
  49                                          && $wgEnableEmail;
  50                 $this->mLoginattempt = $request->getCheck( 'wpLoginattempt' );
  51                 $this->mAction = $request->getVal( 'action' );
  52                 $this->mRemember = $request->getCheck( 'wpRemember' );
  53
  54                 if( $wgEnableEmail ) {
  55                         $this->mEmail = $request->getText( 'wpEmail' );
  56                 } else {
  57                         $this->mEmail = '';
  58                 }
  59                 if( $wgAllowRealName ) {
  60                     $this->mRealName = $request->getText( 'wpRealName' );
  61                 } else {
  62                     $this->mRealName = '';
  63                 }
  64
  65                 # When switching accounts, it sucks to get automatically logged out
  66                 if( $this->mReturnto == $wgLang->specialPage( 'Userlogout' ) ) {
  67                         $this->mReturnto = '';
  68                 }
  69         }
  70
  71         function execute() {
  72                 if ( !is_null( $this->mCookieCheck ) ) {
  73                         $this->onCookieRedirectCheck( $this->mCookieCheck );
  74                         return;
  75                 } else if( $this->mPosted ) {
  76                         if( $this->mCreateaccount ) {
  77                                 return $this->addNewAccount();
  78                         } else if ( $this->mCreateaccountMail ) {
  79                                 return $this->addNewAccountMailPassword();
  80                         } else if ( $this->mMailmypassword ) {
  81                                 return $this->mailPassword();
  82                         } else if ( ( 'submitlogin' == $this->mAction ) || $this->mLoginattempt ) {
  83                                 return $this->processLogin();
  84                         }
  85                 }
  86                 $this->mainLoginForm( '' );
  87         }
  88
  89         /**
  90          * @access private
  91          */
  92         function addNewAccountMailPassword() {
  93                 global $wgOut;
  94
  95                 if ('' == $this->mEmail) {
  96                         $this->mainLoginForm( wfMsg( 'noemail', htmlspecialchars( $this->mName ) ) );
  97                         return;
  98                 }
  99
 100                 $u = $this->addNewaccountInternal();
 101
 102                 if ($u == NULL) {
 103                         return;
 104                 }
 105
 106                 $u->saveSettings();
 107                 $result = $this->mailPasswordInternal($u);
 108
 109                 $wgOut->setPageTitle( wfMsg( 'accmailtitle' ) );
 110                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 111                 $wgOut->setArticleRelated( false );
 112
 113                 if( WikiError::isError( $result ) ) {
 114                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 115                 } else {
 116                         $wgOut->addWikiText( wfMsg( 'accmailtext', $u->getName(), $u->getEmail() ) );
 117                         $wgOut->returnToMain( false );
 118                 }
 119                 $u = 0;
 120         }
 121
 122
 123         /**
 124          * @access private
 125          */
 126         function addNewAccount() {
 127                 global $wgUser, $wgOut;
 128
 129                 $u = $this->addNewAccountInternal();
 130
 131                 if ($u == NULL) {
 132                         return;
 133                 }
 134
 135                 $wgUser = $u;
 136                 $wgUser->setCookies();
 137
 138                 $wgUser->saveSettings();
 139                 if( $wgUser->isValidEmailAddr( $wgUser->getEmail() ) ) {
 140                         $wgUser->sendConfirmationMail();
 141                 }
 142
 143                 if( $this->hasSessionCookie() ) {
 144                         return $this->successfulLogin( wfMsg( 'welcomecreation', $wgUser->getName() ) );
 145                 } else {
 146                         return $this->cookieRedirectCheck( 'new' );
 147                 }
 148         }
 149
 150         /**
 151          * @access private
 152          */
 153         function addNewAccountInternal() {
 154                 global $wgUser, $wgOut;
 155                 global $wgMaxNameChars;
 156                 global $wgMemc, $wgAccountCreationThrottle, $wgDBname, $wgIP;
 157                 global $wgMinimalPasswordLength;
 158
 159                 if (!$wgUser->isAllowedToCreateAccount()) {
 160                         $this->userNotPrivilegedMessage();
 161                         return false;
 162                 }
 163
 164                 if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
 165                         $this->mainLoginForm( wfMsg( 'badretype' ) );
 166                         return false;
 167                 }
 168
 169                 $name = trim( $this->mName );
 170                 $u = User::newFromName( $name );
 171                 if ( is_null( $u ) ||
 172                   ( '' == $name ) ||
 173                   $wgUser->isIP( $name ) ||
 174                   (strpos( $name, '/' ) !== false) ||
 175                   (strlen( $name ) > $wgMaxNameChars) ||
 176                   ucFirst($name) != $u->getName() )
 177                 {
 178                         $this->mainLoginForm( wfMsg( 'noname' ) );
 179                         return false;
 180                 }
 181                 if ( wfReadOnly() ) {
 182                         $wgOut->readOnlyPage();
 183                         return false;
 184                 }
 185
 186                 if ( 0 != $u->idForName() ) {
 187                         $this->mainLoginForm( wfMsg( 'userexists' ) );
 188                         return false;
 189                 }
 190
 191                 if ( strlen( $this->mPassword ) < $wgMinimalPasswordLength ) {
 192                         $this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
 193                         return false;
 194                 }
 195
 196                 if ( $wgAccountCreationThrottle ) {
 197                         $key = $wgDBname.':acctcreate:ip:'.$wgIP;
 198                         $value = $wgMemc->incr( $key );
 199                         if ( !$value ) {
 200                                 $wgMemc->set( $key, 1, 86400 );
 201                         }
 202                         if ( $value > $wgAccountCreationThrottle ) {
 203                                 $this->throttleHit( $wgAccountCreationThrottle );
 204                                 return false;
 205                         }
 206                 }
 207
 208                 return $this->initUser( $u );
 209         }
 210
 211         /**
 212          * Actually add a user to the database.
 213          * Give it a User object that has been initialised with a name.
 214          *
 215          * @param User $u
 216          * @return User
 217          * @access private
 218          */
 219         function &initUser( &$u ) {
 220                 $u->addToDatabase();
 221                 $u->setPassword( $this->mPassword );
 222                 $u->setEmail( $this->mEmail );
 223                 $u->setRealName( $this->mRealName );
 224                 $u->setToken();
 225
 226                 global $wgAuth;
 227                 $wgAuth->initUser( $u );
 228
 229                 if ( $this->mRemember ) { $r = 1; }
 230                 else { $r = 0; }
 231                 $u->setOption( 'rememberpassword', $r );
 232
 233                 return $u;
 234         }
 235
 236         /**
 237          * @access private
 238          */
 239         function processLogin() {
 240                 global $wgUser;
 241
 242                 if ( '' == $this->mName ) {
 243                         $this->mainLoginForm( wfMsg( 'noname' ) );
 244                         return;
 245                 }
 246                 $u = User::newFromName( $this->mName );
 247                 if( is_null( $u ) ) {
 248                         $this->mainLoginForm( wfMsg( 'noname' ) );
 249                         return;
 250                 }
 251                 if ( 0 == $u->getID() ) {
 252                         global $wgAuth;
 253                         /**
 254                          * If the external authentication plugin allows it,
 255                          * automatically create a new account for users that
 256                          * are externally defined but have not yet logged in.
 257                          */
 258                         if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
 259                                 if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
 260                                         $u =& $this->initUser( $u );
 261                                 } else {
 262                                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 263                                         return;
 264                                 }
 265                         } else {
 266                                 $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 267                                 return;
 268                         }
 269                 } else {
 270                         $u->loadFromDatabase();
 271                 }
 272
 273                 if (!$u->checkPassword( $this->mPassword )) {
 274                         $this->mainLoginForm( wfMsg( 'wrongpassword' ) );
 275                         return;
 276                 }
 277
 278                 # We've verified now, update the real record
 279                 #
 280                 if ( $this->mRemember ) {
 281                         $r = 1;
 282                 } else {
 283                         $r = 0;
 284                 }
 285                 $u->setOption( 'rememberpassword', $r );
 286
 287                 $wgUser = $u;
 288                 $wgUser->setCookies();
 289
 290                 $wgUser->saveSettings();
 291
 292                 if( $this->hasSessionCookie() ) {
 293                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 294                 } else {
 295                         return $this->cookieRedirectCheck( 'login' );
 296                 }
 297         }
 298
 299         /**
 300          * @access private
 301          */
 302         function mailPassword() {
 303                 global $wgUser, $wgDeferredUpdateList, $wgOutputEncoding;
 304                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 305
 306                 if ( '' == $this->mName ) {
 307                         $this->mainLoginForm( wfMsg( 'noname' ) );
 308                         return;
 309                 }
 310                 $u = User::newFromName( $this->mName );
 311                 if( is_null( $u ) ) {
 312                         $this->mainLoginForm( wfMsg( 'noname' ) );
 313                         return;
 314                 }
 315                 if ( 0 == $u->getID() ) {
 316                         $this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
 317                         return;
 318                 }
 319
 320                 $u->loadFromDatabase();
 321
 322                 $result = $this->mailPasswordInternal( $u );
 323                 if( WikiError::isError( $result ) ) {
 324                         $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
 325                 } else {
 326                         $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ) );
 327                 }
 328         }
 329
 330
 331         /**
 332          * @return mixed true on success, WikiError on failure
 333          * @access private
 334          */
 335         function mailPasswordInternal( $u ) {
 336                 global $wgPasswordSender, $wgDBname, $wgIP;
 337                 global $wgCookiePath, $wgCookieDomain;
 338
 339                 if ( '' == $u->getEmail() ) {
 340                         return wfMsg( 'noemail', $u->getName() );
 341                 }
 342
 343                 $np = $u->randomPassword();
 344                 $u->setNewpassword( $np );
 345
 346                 setcookie( "{$wgDBname}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 347
 348                 $u->saveSettings();
 349
 350                 $ip = $wgIP;
 351                 if ( '' == $ip ) { $ip = '(Unknown)'; }
 352
 353                 $m = wfMsg( 'passwordremindermailbody', $ip, $u->getName(), wfUrlencode($u->getName()), $np );
 354                 $result = $u->sendMail( wfMsg( 'passwordremindermailsubject' ), $m );
 355
 356                 return $result;
 357         }
 358
 359
 360         /**
 361          * @param string $msg Message that will be shown on success.
 362          * @access private
 363          */
 364         function successfulLogin( $msg ) {
 365                 global $wgUser;
 366                 global $wgOut;
 367
 368                 # Run any hooks; ignore results
 369
 370                 wfRunHooks('UserLoginComplete', array(&$wgUser));
 371
 372                 $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
 373                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 374                 $wgOut->setArticleRelated( false );
 375                 $wgOut->addWikiText( $msg );
 376                 $wgOut->returnToMain();
 377         }
 378
 379         /** */
 380         function userNotPrivilegedMessage() {
 381                 global $wgOut;
 382
 383                 $wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
 384                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 385                 $wgOut->setArticleRelated( false );
 386
 387                 $wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
 388
 389                 $wgOut->returnToMain( false );
 390         }
 391
 392         /**
 393          * @access private
 394          */
 395         function mainLoginForm( $err ) {
 396                 global $wgUser, $wgOut, $wgLang;
 397                 global $wgDBname, $wgAllowRealName, $wgEnableEmail;
 398
 399                 if ( '' == $this->mName ) {
 400                         if ( $wgUser->isLoggedIn() ) {
 401                                 $this->mName = $wgUser->getName();
 402                         } else {
 403                                 $this->mName = @$_COOKIE[$wgDBname.'UserName'];
 404                         }
 405                 }
 406
 407                 $q = 'action=submitlogin';
 408                 if ( !empty( $this->mReturnto ) ) {
 409                         $q .= '&returnto=' . wfUrlencode( $this->mReturnto );
 410                 }
 411                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 412
 413                 require_once( 'templates/Userlogin.php' );
 414                 $template =& new UserloginTemplate();
 415
 416                 $template->set( 'name', $this->mName );
 417                 $template->set( 'password', $this->mPassword );
 418                 $template->set( 'retype', $this->mRetype );
 419                 $template->set( 'email', $this->mEmail );
 420                 $template->set( 'realname', $this->mRealName );
 421
 422                 $template->set( 'action', $titleObj->getLocalUrl( $q ) );
 423                 $template->set( 'error', $err );
 424                 $template->set( 'create', $wgUser->isAllowedToCreateAccount() );
 425                 $template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
 426                 $template->set( 'userealname', $wgAllowRealName );
 427                 $template->set( 'useemail', $wgEnableEmail );
 428                 $template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember  );
 429
 430                 $wgOut->setPageTitle( wfMsg( 'userlogin' ) );
 431                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 432                 $wgOut->setArticleRelated( false );
 433                 $wgOut->addTemplate( $template );
 434         }
 435
 436         /**
 437          * @access private
 438          */
 439         function hasSessionCookie() {
 440                 global $wgDisableCookieCheck;
 441                 return ( $wgDisableCookieCheck ) ? true : ( '' != $_COOKIE[session_name()] );
 442         }
 443
 444         /**
 445          * @access private
 446          */
 447         function cookieRedirectCheck( $type ) {
 448                 global $wgOut, $wgLang;
 449
 450                 $titleObj = Title::makeTitle( NS_SPECIAL, 'Userlogin' );
 451                 $check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
 452
 453                 return $wgOut->redirect( $check );
 454         }
 455
 456         /**
 457          * @access private
 458          */
 459         function onCookieRedirectCheck( $type ) {
 460                 global $wgUser;
 461
 462                 if ( !$this->hasSessionCookie() ) {
 463                         if ( $type == 'new' ) {
 464                                 return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
 465                         } else if ( $type == 'login' ) {
 466                                 return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
 467                         } else {
 468                                 # shouldn't happen
 469                                 return $this->mainLoginForm( wfMsg( 'error' ) );
 470                         }
 471                 } else {
 472                         return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
 473                 }
 474         }
 475
 476         /**
 477          * @access private
 478          */
 479         function throttleHit( $limit ) {
 480                 global $wgOut;
 481
 482                 $wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
 483         }
 484 }
 485 ?>