includes/User.php

   1 <?php
   2 # See user.doc
   3
   4 include_once( "WatchedItem.php" );
   5
   6 class User {
   7         /* private */ var $mId, $mName, $mPassword, $mEmail, $mNewtalk;
   8         /* private */ var $mRights, $mOptions;
   9         /* private */ var $mDataLoaded, $mNewpassword;
  10         /* private */ var $mSkin;
  11         /* private */ var $mBlockedby, $mBlockreason;
  12         /* private */ var $mTouched;
  13         /* private */ var $mCookiePassword;
  14         /* private */ var $mRealName;
  15
  16         function User()
  17         {
  18                 $this->loadDefaults();
  19         }
  20
  21         # Static factory method
  22         #
  23         function newFromName( $name )
  24         {
  25                 $u = new User();
  26
  27                 # Clean up name according to title rules
  28
  29                 $t = Title::newFromText( $name );
  30                 $u->setName( $t->getText() );
  31                 return $u;
  32         }
  33
  34         /* static */ function whoIs( $id )
  35         {
  36                 return wfGetSQL( "user", "user_name", "user_id=$id" );
  37         }
  38
  39         /* static */ function idFromName( $name )
  40         {
  41                 $nt = Title::newFromText( $name );
  42                 $sql = "SELECT user_id FROM user WHERE user_name='" .
  43                   wfStrencode( $nt->getText() ) . "'";
  44                 $res = wfQuery( $sql, DB_READ, "User::idFromName" );
  45
  46                 if ( 0 == wfNumRows( $res ) ) { return 0; }
  47                 else {
  48                         $s = wfFetchObject( $res );
  49                         return $s->user_id;
  50                 }
  51         }
  52
  53         # does the string match an anonymous user IP address?
  54         /* static */ function isIP( $name ) {
  55                 return preg_match("/^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/",$name);
  56
  57         }
  58
  59         /* static */ function randomPassword()
  60         {
  61                 $pwchars = "ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz";
  62                 $l = strlen( $pwchars ) - 1;
  63
  64                 wfSeedRandom();
  65                 $np = $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
  66                   $pwchars{mt_rand( 0, $l )} . chr( mt_rand(48, 57) ) .
  67                   $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
  68                   $pwchars{mt_rand( 0, $l )};
  69                 return $np;
  70         }
  71
  72         function loadDefaults()
  73         {
  74                 global $wgLang, $wgIP;
  75                 global $wgNamespacesToBeSearchedDefault;
  76
  77                 $this->mId = $this->mNewtalk = 0;
  78                 $this->mName = $wgIP;
  79                 $this->mEmail = "";
  80                 $this->mPassword = $this->mNewpassword = "";
  81                 $this->mRights = array();
  82                 $defOpt = $wgLang->getDefaultUserOptions() ;
  83                 foreach ( $defOpt as $oname => $val ) {
  84                         $this->mOptions[$oname] = $val;
  85                 }
  86                 foreach ($wgNamespacesToBeSearchedDefault as $nsnum => $val) {
  87                         $this->mOptions["searchNs".$nsnum] = $val;
  88                 }
  89                 unset( $this->mSkin );
  90                 $this->mDataLoaded = false;
  91                 $this->mBlockedby = -1; # Unset
  92                 $this->mTouched = '0'; # Allow any pages to be cached
  93                 $this->cookiePassword = "";
  94         }
  95
  96         /* private */ function getBlockedStatus()
  97         {
  98                 global $wgIP, $wgBlockCache;
  99
 100                 if ( -1 != $this->mBlockedby ) { return; }
 101
 102                 $this->mBlockedby = 0;
 103
 104                 # User blocking
 105                 if ( $this->mId ) {
 106                         $block = new Block();
 107                         if ( $block->load( $wgIP , $this->mId ) ) {
 108                                 $this->mBlockedby = $block->mBy;
 109                                 $this->mBlockreason = $block->mReason;
 110                         }
 111                 }
 112
 113                 # IP/range blocking
 114                 if ( !$this->mBlockedby ) {
 115                         $block = $wgBlockCache->get( $wgIP );
 116                         if ( $block !== false ) {
 117                                 $this->mBlockedby = $block->mBy;
 118                                 $this->mBlockreason = $block->mReason;
 119                         }
 120                 }
 121         }
 122
 123         function isBlocked()
 124         {
 125                 $this->getBlockedStatus();
 126                 if ( 0 == $this->mBlockedby ) { return false; }
 127                 return true;
 128         }
 129
 130         function blockedBy() {
 131                 $this->getBlockedStatus();
 132                 return $this->mBlockedby;
 133         }
 134
 135         function blockedFor() {
 136                 $this->getBlockedStatus();
 137                 return $this->mBlockreason;
 138         }
 139
 140         function SetupSession() {
 141                 global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain;
 142                 if( $wgSessionsInMemcached ) {
 143                         include_once( "MemcachedSessions.php" );
 144                 }
 145                 session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain );
 146                 session_cache_limiter( "private, must-revalidate" );
 147                 session_start();
 148         }
 149
 150         /* static */ function loadFromSession()
 151         {
 152                 global $wgMemc, $wgDBname;
 153
 154                 if ( isset( $_SESSION['wsUserID'] ) ) {
 155                         if ( 0 != $_SESSION['wsUserID'] ) {
 156                                 $sId = $_SESSION['wsUserID'];
 157                         } else {
 158                                 return new User();
 159                         }
 160                 } else if ( isset( $_COOKIE["{$wgDBname}UserID"] ) ) {
 161                         $sId = IntVal( $_COOKIE["{$wgDBname}UserID"] );
 162                         $_SESSION['wsUserID'] = $sId;
 163                 } else {
 164                         return new User();
 165                 }
 166                 if ( isset( $_SESSION['wsUserName'] ) ) {
 167                         $sName = $_SESSION['wsUserName'];
 168                 } else if ( isset( $_COOKIE["{$wgDBname}UserName"] ) ) {
 169                         $sName = $_COOKIE["{$wgDBname}UserName"];
 170                         $_SESSION['wsUserName'] = $sName;
 171                 } else {
 172                         return new User();
 173                 }
 174
 175                 $passwordCorrect = FALSE;
 176                 $user = $wgMemc->get( $key = "$wgDBname:user:id:$sId" );
 177                 if($makenew = !$user) {
 178                         wfDebug( "User::loadFromSession() unable to load from memcached\n" );
 179                         $user = new User();
 180                         $user->mId = $sId;
 181                         $user->loadFromDatabase();
 182                 } else {
 183                         wfDebug( "User::loadFromSession() got from cache!\n" );
 184                 }
 185
 186                 if ( isset( $_SESSION['wsUserPassword'] ) ) {
 187                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 188                 } else if ( isset( $_COOKIE["{$wgDBname}Password"] ) ) {
 189                         $user->mCookiePassword = $_COOKIE["{$wgDBname}Password"];
 190                         $_SESSION['wsUserPassword'] = $user->addSalt( $user->mCookiePassword );
 191                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 192                 } else {
 193                         return new User(); # Can't log in from session
 194                 }
 195
 196                 if ( ( $sName == $user->mName ) && $passwordCorrect ) {
 197                         if($makenew) {
 198                                 if($wgMemc->set( $key, $user ))
 199                                         wfDebug( "User::loadFromSession() successfully saved user\n" );
 200                                 else
 201                                         wfDebug( "User::loadFromSession() unable to save to memcached\n" );
 202                         }
 203                         $user->spreadBlock();
 204                         return $user;
 205                 }
 206                 return new User(); # Can't log in from session
 207         }
 208
 209         function loadFromDatabase()
 210         {
 211                 global $wgCommandLineMode;
 212                 if ( $this->mDataLoaded || $wgCommandLineMode ) {
 213                         return;
 214                 }
 215
 216                 # Paranoia
 217                 $this->mId = IntVal( $this->mId );
 218
 219                 # check in separate table if there are changes to the talk page
 220                 $this->mNewtalk=0; # reset talk page status
 221                 if($this->mId) {
 222                         $sql = "SELECT 1 FROM user_newtalk WHERE user_id={$this->mId}";
 223                         $res = wfQuery ($sql, DB_READ, "User::loadFromDatabase" );
 224
 225                         if (wfNumRows($res)>0) {
 226                                 $this->mNewtalk= 1;
 227                         }
 228                         wfFreeResult( $res );
 229                 } else {
 230                         global $wgDBname, $wgMemc;
 231                         $key = "$wgDBname:newtalk:ip:{$this->mName}";
 232                         $newtalk = $wgMemc->get( $key );
 233                         if( ! is_integer( $newtalk ) ){
 234                                 $sql = "SELECT 1 FROM user_newtalk WHERE user_ip='{$this->mName}'";
 235                                 $res = wfQuery ($sql, DB_READ, "User::loadFromDatabase" );
 236
 237                                 $this->mNewtalk = (wfNumRows($res)>0) ? 1 : 0;
 238                                 wfFreeResult( $res );
 239
 240                                 $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
 241                         } else {
 242                                 $this->mNewtalk = $newtalk ? 1 : 0;
 243                         }
 244                 }
 245                 if(!$this->mId) {
 246                         $this->mDataLoaded = true;
 247                         return;
 248                 } # the following stuff is for non-anonymous users only
 249
 250                 $sql = "SELECT user_name,user_password,user_newpassword,user_email," .
 251                   "user_real_name,user_options,user_rights,user_touched " .
 252                   " FROM user WHERE user_id=" . $this->mId;
 253                 $res = wfQuery( $sql, DB_READ, "User::loadFromDatabase" );
 254
 255                 if ( wfNumRows( $res ) > 0 ) {
 256                         $s = wfFetchObject( $res );
 257                         $this->mName = $s->user_name;
 258                         $this->mEmail = $s->user_email;
 259                         $this->mRealName = $s->user_real_name;
 260                         $this->mPassword = $s->user_password;
 261                         $this->mNewpassword = $s->user_newpassword;
 262                         $this->decodeOptions( $s->user_options );
 263                         $this->mRights = explode( ",", strtolower( $s->user_rights ) );
 264                         $this->mTouched = $s->user_touched;
 265                 }
 266
 267                 wfFreeResult( $res );
 268                 $this->mDataLoaded = true;
 269         }
 270
 271         function getID() { return $this->mId; }
 272         function setID( $v ) {
 273                 $this->mId = $v;
 274                 $this->mDataLoaded = false;
 275         }
 276
 277         function getName() {
 278                 $this->loadFromDatabase();
 279                 return $this->mName;
 280         }
 281
 282         function setName( $str )
 283         {
 284                 $this->loadFromDatabase();
 285                 $this->mName = $str;
 286         }
 287
 288         function getNewtalk()
 289         {
 290                 $this->loadFromDatabase();
 291                 return ( 0 != $this->mNewtalk );
 292         }
 293
 294         function setNewtalk( $val )
 295         {
 296                 $this->loadFromDatabase();
 297                 $this->mNewtalk = $val;
 298                 $this->invalidateCache();
 299         }
 300
 301         function invalidateCache() {
 302                 $this->loadFromDatabase();
 303                 $this->mTouched = wfTimestampNow();
 304                 # Don't forget to save the options after this or
 305                 # it won't take effect!
 306         }
 307
 308         function validateCache( $timestamp ) {
 309                 $this->loadFromDatabase();
 310                 return ($timestamp >= $this->mTouched);
 311         }
 312
 313         function getPassword()
 314         {
 315                 $this->loadFromDatabase();
 316                 return $this->mPassword;
 317         }
 318
 319         function getNewpassword()
 320         {
 321                 $this->loadFromDatabase();
 322                 return $this->mNewpassword;
 323         }
 324
 325         function addSalt( $p )
 326         {
 327                 global $wgPasswordSalt;
 328                 if($wgPasswordSalt)
 329                         return md5( "{$this->mId}-{$p}" );
 330                 else
 331                         return $p;
 332         }
 333
 334         function encryptPassword( $p )
 335         {
 336                 return $this->addSalt( md5( $p ) );
 337         }
 338
 339         function setPassword( $str )
 340         {
 341                 $this->loadFromDatabase();
 342                 $this->setCookiePassword( $str );
 343                 $this->mPassword = $this->encryptPassword( $str );
 344                 $this->mNewpassword = "";
 345         }
 346
 347         function setCookiePassword( $str )
 348         {
 349                 $this->loadFromDatabase();
 350                 $this->mCookiePassword = md5( $str );
 351         }
 352
 353         function setNewpassword( $str )
 354         {
 355                 $this->loadFromDatabase();
 356                 $this->mNewpassword = $this->encryptPassword( $str );
 357         }
 358
 359         function getEmail()
 360         {
 361                 $this->loadFromDatabase();
 362                 return $this->mEmail;
 363         }
 364
 365         function setEmail( $str )
 366         {
 367                 $this->loadFromDatabase();
 368                 $this->mEmail = $str;
 369         }
 370
 371         function getRealName()
 372         {
 373                 $this->loadFromDatabase();
 374                 return $this->mRealName;
 375         }
 376
 377         function setRealName( $str )
 378         {
 379                 $this->loadFromDatabase();
 380                 $this->mRealName = $str;
 381         }
 382
 383         function getOption( $oname )
 384         {
 385                 $this->loadFromDatabase();
 386                 if ( array_key_exists( $oname, $this->mOptions ) ) {
 387                         return $this->mOptions[$oname];
 388                 } else {
 389                         return "";
 390                 }
 391         }
 392
 393         function setOption( $oname, $val )
 394         {
 395                 $this->loadFromDatabase();
 396                 if ( $oname == 'skin' ) {
 397                         # Clear cached skin, so the new one displays immediately in Special:Preferences
 398                         unset( $this->mSkin );
 399                 }
 400                 $this->mOptions[$oname] = $val;
 401                 $this->invalidateCache();
 402         }
 403
 404         function getRights()
 405         {
 406                 $this->loadFromDatabase();
 407                 return $this->mRights;
 408         }
 409
 410         function addRight( $rname )
 411         {
 412                 $this->loadFromDatabase();
 413                 array_push( $this->mRights, $rname );
 414                 $this->invalidateCache();
 415         }
 416
 417         function isSysop()
 418         {
 419                 $this->loadFromDatabase();
 420                 if ( 0 == $this->mId ) { return false; }
 421
 422                 return in_array( "sysop", $this->mRights );
 423         }
 424
 425         function isDeveloper()
 426         {
 427                 $this->loadFromDatabase();
 428                 if ( 0 == $this->mId ) { return false; }
 429
 430                 return in_array( "developer", $this->mRights );
 431         }
 432
 433         function isBureaucrat()
 434         {
 435                 $this->loadFromDatabase();
 436                 if ( 0 == $this->mId ) { return false; }
 437
 438                 return in_array( "bureaucrat", $this->mRights );
 439         }
 440
 441         function isBot()
 442         {
 443                 $this->loadFromDatabase();
 444
 445                 # Why was this here? I need a UID=0 conversion script [TS]
 446                 # if ( 0 == $this->mId ) { return false; }
 447
 448                 return in_array( "bot", $this->mRights );
 449         }
 450
 451         function &getSkin()
 452         {
 453                 if ( ! isset( $this->mSkin ) ) {
 454                         $skinNames = Skin::getSkinNames();
 455                         $s = $this->getOption( "skin" );
 456                         if ( "" == $s ) { $s = 'standard'; }
 457
 458                         if ( !isset( $skinNames[$s] ) ) {
 459                                 $fallback = array(
 460                                         'standard' => "Standard",
 461                                         'nostalgia' => "Nostalgia",
 462                                         'cologneblue' => "Cologne Blue");
 463                                 if(is_int($s) && isset( $fallback[$s]) ){
 464                                         $sn = $fallback[$s];
 465                                 } else {
 466                                         $sn = "SkinStandard";
 467                                 }
 468                         } else {
 469                                 $sn = "Skin" . $skinNames[$s];
 470                         }
 471                         $this->mSkin = new $sn;
 472                 }
 473                 return $this->mSkin;
 474         }
 475
 476         function isWatched( $title ) {
 477                 $wl = WatchedItem::fromUserTitle( $this, $title );
 478                 return $wl->isWatched();
 479         }
 480
 481         function addWatch( $title ) {
 482                 $wl = WatchedItem::fromUserTitle( $this, $title );
 483                 $wl->addWatch();
 484                 $this->invalidateCache();
 485         }
 486
 487         function removeWatch( $title ) {
 488                 $wl = WatchedItem::fromUserTitle( $this, $title );
 489                 $wl->removeWatch();
 490                 $this->invalidateCache();
 491         }
 492
 493
 494         /* private */ function encodeOptions()
 495         {
 496                 $a = array();
 497                 foreach ( $this->mOptions as $oname => $oval ) {
 498                         array_push( $a, "{$oname}={$oval}" );
 499                 }
 500                 $s = implode( "\n", $a );
 501                 return wfStrencode( $s );
 502         }
 503
 504         /* private */ function decodeOptions( $str )
 505         {
 506                 $a = explode( "\n", $str );
 507                 foreach ( $a as $s ) {
 508                         if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
 509                                 $this->mOptions[$m[1]] = $m[2];
 510                         }
 511                 }
 512         }
 513
 514         function setCookies()
 515         {
 516                 global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgDBname;
 517                 if ( 0 == $this->mId ) return;
 518                 $this->loadFromDatabase();
 519                 $exp = time() + $wgCookieExpiration;
 520
 521                 $_SESSION['wsUserID'] = $this->mId;
 522                 setcookie( "{$wgDBname}UserID", $this->mId, $exp, $wgCookiePath, $wgCookieDomain );
 523
 524                 $_SESSION['wsUserName'] = $this->mName;
 525                 setcookie( "{$wgDBname}UserName", $this->mName, $exp, $wgCookiePath, $wgCookieDomain );
 526
 527                 $_SESSION['wsUserPassword'] = $this->mPassword;
 528                 if ( 1 == $this->getOption( "rememberpassword" ) ) {
 529                         setcookie( "{$wgDBname}Password", $this->mCookiePassword, $exp, $wgCookiePath, $wgCookieDomain );
 530                 } else {
 531                         setcookie( "{$wgDBname}Password", "", time() - 3600 );
 532                 }
 533         }
 534
 535         function logout()
 536         {
 537                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 538                 $this->mId = 0;
 539
 540                 $_SESSION['wsUserID'] = 0;
 541
 542                 setcookie( "{$wgDBname}UserID", "", time() - 3600, $wgCookiePath, $wgCookieDomain );
 543                 setcookie( "{$wgDBname}Password", "", time() - 3600, $wgCookiePath, $wgCookieDomain );
 544         }
 545
 546         function saveSettings()
 547         {
 548                 global $wgMemc, $wgDBname;
 549
 550                 if ( ! $this->mNewtalk ) {
 551                         if( $this->mId ) {
 552                                 $sql="DELETE FROM user_newtalk WHERE user_id={$this->mId}";
 553                                 wfQuery ($sql, DB_WRITE, "User::saveSettings");
 554                         } else {
 555                                 $sql="DELETE FROM user_newtalk WHERE user_ip='{$this->mName}'";
 556                                 wfQuery ($sql, DB_WRITE, "User::saveSettings");
 557                                 $wgMemc->delete( "$wgDBname:newtalk:ip:{$this->mName}" );
 558                         }
 559                 }
 560                 if ( 0 == $this->mId ) { return; }
 561
 562                 $sql = "UPDATE user SET " .
 563                   "user_name= '" . wfStrencode( $this->mName ) . "', " .
 564                   "user_password= '" . wfStrencode( $this->mPassword ) . "', " .
 565                   "user_newpassword= '" . wfStrencode( $this->mNewpassword ) . "', " .
 566                   "user_real_name= '" . wfStrencode( $this->mRealName ) . "', " .
 567                   "user_email= '" . wfStrencode( $this->mEmail ) . "', " .
 568                   "user_options= '" . $this->encodeOptions() . "', " .
 569                   "user_rights= '" . wfStrencode( implode( ",", $this->mRights ) ) . "', " .
 570                   "user_touched= '" . wfStrencode( $this->mTouched ) .
 571                   "' WHERE user_id={$this->mId}";
 572                 wfQuery( $sql, DB_WRITE, "User::saveSettings" );
 573                 $wgMemc->delete( "$wgDBname:user:id:$this->mId" );
 574         }
 575
 576         # Checks if a user with the given name exists
 577         #
 578         function idForName()
 579         {
 580                 $gotid = 0;
 581                 $s = trim( $this->mName );
 582                 if ( 0 == strcmp( "", $s ) ) return 0;
 583
 584                 $sql = "SELECT user_id FROM user WHERE user_name='" .
 585                   wfStrencode( $s ) . "'";
 586                 $res = wfQuery( $sql, DB_READ, "User::idForName" );
 587                 if ( 0 == wfNumRows( $res ) ) { return 0; }
 588
 589                 $s = wfFetchObject( $res );
 590                 if ( "" == $s ) return 0;
 591
 592                 $gotid = $s->user_id;
 593                 wfFreeResult( $res );
 594                 return $gotid;
 595         }
 596
 597         function addToDatabase()
 598         {
 599                 $sql = "INSERT INTO user (user_name,user_password,user_newpassword," .
 600                   "user_email, user_real_name, user_rights, user_options) " .
 601                   " VALUES ('" . wfStrencode( $this->mName ) . "', '" .
 602                   wfStrencode( $this->mPassword ) . "', '" .
 603                   wfStrencode( $this->mNewpassword ) . "', '" .
 604                   wfStrencode( $this->mEmail ) . "', '" .
 605                   wfStrencode( $this->mRealName ) . "', '" .
 606                   wfStrencode( implode( ",", $this->mRights ) ) . "', '" .
 607                   $this->encodeOptions() . "')";
 608                 wfQuery( $sql, DB_WRITE, "User::addToDatabase" );
 609                 $this->mId = $this->idForName();
 610         }
 611
 612         function spreadBlock()
 613         {
 614                 global $wgIP;
 615                 # If the (non-anonymous) user is blocked, this function will block any IP address
 616                 # that they successfully log on from.
 617                 $fname = "User::spreadBlock";
 618
 619                 wfDebug( "User:spreadBlock()\n" );
 620                 if ( $this->mId == 0 ) {
 621                         return;
 622                 }
 623
 624                 $userblock = Block::newFromDB( "", $this->mId );
 625                 if ( !$userblock->isValid() ) {
 626                         return;
 627                 }
 628
 629                 # Check if this IP address is already blocked
 630                 $ipblock = Block::newFromDB( $wgIP );
 631                 if ( $ipblock->isValid() ) {
 632                         # Just update the timestamp
 633                         $ipblock->updateTimestamp();
 634                         return;
 635                 }
 636
 637                 # Make a new block object with the desired properties
 638                 wfDebug( "Autoblocking {$this->mUserName}@{$wgIP}\n" );
 639                 $ipblock->mAddress = $wgIP;
 640                 $ipblock->mUser = 0;
 641                 $ipblock->mBy = $userblock->mBy;
 642                 $ipblock->mReason = wfMsg( "autoblocker", $this->getName(), $userblock->mReason );
 643                 $ipblock->mTimestamp = wfTimestampNow();
 644                 $ipblock->mAuto = 1;
 645                 # If the user is already blocked with an expiry date, we don't
 646                 # want to pile on top of that!
 647                 if($userblock->mExpiry) {
 648                         $ipblock->mExpiry = min ( $userblock->mExpiry, Block::getAutoblockExpiry( $ipblock->mTimestamp ));
 649                 } else {
 650                         $ipblock->mExpiry = Block::getAutoblockExpiry( $ipblock->mTimestamp );
 651                 }
 652
 653                 # Insert it
 654                 $ipblock->insert();
 655
 656         }
 657
 658         function getPageRenderingHash(){
 659                 static $hash = false;
 660                 if( $hash ){
 661                         return $hash;
 662                 }
 663
 664                 // stubthreshold is only included below for completeness,
 665                 // it will always be 0 when this function is called by parsercache.
 666
 667                 $confstr =        $this->getOption( "quickbar" );
 668                 $confstr .= "!" . $this->getOption( "underline" );
 669                 $confstr .= "!" . $this->getOption( "hover" );
 670                 $confstr .= "!" . $this->getOption( "skin" );
 671                 $confstr .= "!" . $this->getOption( "math" );
 672                 $confstr .= "!" . $this->getOption( "highlightbroken" );
 673                 $confstr .= "!" . $this->getOption( "stubthreshold" );
 674                 $confstr .= "!" . $this->getOption( "editsection" );
 675                 $confstr .= "!" . $this->getOption( "editsectiononrightclick" );
 676                 $confstr .= "!" . $this->getOption( "showtoc" );
 677                 $confstr .= "!" . $this->getOption( "date" );
 678
 679                 if(strlen($confstr) > 32)
 680                         $hash = md5($confstr);
 681                 else
 682                         $hash = $confstr;
 683                 return $hash;
 684         }
 685
 686         function isAllowedToCreateAccount()
 687         {
 688                 global $wgWhitelistAccount;
 689                 $allowed = false;
 690
 691                 if (!$wgWhitelistAccount) { return 1; }; // default behaviour
 692                 foreach ($wgWhitelistAccount as $right => $ok) {
 693                         $userHasRight = (!strcmp($right, "user") || in_array($right, $this->getRights()));
 694                         $allowed |= ($ok && $userHasRight);
 695                 }
 696                 return $allowed;
 697         }
 698
 699         # Set mDataLoaded, return previous value
 700         # Use this to prevent DB access in command-line scripts or similar situations
 701         function setLoaded( $loaded )
 702         {
 703                 wfSetVar( $this->mDataLoaded, $loaded );
 704         }
 705
 706         function getUserPage() {
 707                 return Title::makeTitle( NS_USER, $this->mName );
 708         }
 709 }
 710
 711 ?>