includes/User.php

   1 <?php
   2 # See user.doc
   3
   4 require_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 whoIsReal( $id )
  40         {
  41                 return wfGetSQL( "user", "user_real_name", "user_id=$id" );
  42         }
  43
  44         /* static */ function idFromName( $name )
  45         {
  46                 $nt = Title::newFromText( $name );
  47                 if( is_null( $nt ) ) {
  48                         # Illegal name
  49                         return null;
  50                 }
  51                 $sql = "SELECT user_id FROM user WHERE user_name='" .
  52                   wfStrencode( $nt->getText() ) . "'";
  53                 $res = wfQuery( $sql, DB_READ, "User::idFromName" );
  54
  55                 if ( 0 == wfNumRows( $res ) ) {
  56                         return 0;
  57                 } else {
  58                         $s = wfFetchObject( $res );
  59                         wfFreeResult( $res );
  60                         return $s->user_id;
  61                 }
  62         }
  63
  64         # does the string match an anonymous user IP address?
  65         /* static */ function isIP( $name ) {
  66                 return preg_match("/^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/",$name);
  67
  68         }
  69
  70         /* static */ function randomPassword()
  71         {
  72                 $pwchars = "ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz";
  73                 $l = strlen( $pwchars ) - 1;
  74
  75                 wfSeedRandom();
  76                 $np = $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
  77                   $pwchars{mt_rand( 0, $l )} . chr( mt_rand(48, 57) ) .
  78                   $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
  79                   $pwchars{mt_rand( 0, $l )};
  80                 return $np;
  81         }
  82
  83         function loadDefaults()
  84         {
  85                 global $wgLang, $wgIP;
  86                 global $wgNamespacesToBeSearchedDefault;
  87
  88                 $this->mId = $this->mNewtalk = 0;
  89                 $this->mName = $wgIP;
  90                 $this->mEmail = "";
  91                 $this->mPassword = $this->mNewpassword = "";
  92                 $this->mRights = array();
  93                 $defOpt = $wgLang->getDefaultUserOptions() ;
  94                 foreach ( $defOpt as $oname => $val ) {
  95                         $this->mOptions[$oname] = $val;
  96                 }
  97                 foreach ($wgNamespacesToBeSearchedDefault as $nsnum => $val) {
  98                         $this->mOptions["searchNs".$nsnum] = $val;
  99                 }
 100                 unset( $this->mSkin );
 101                 $this->mDataLoaded = false;
 102                 $this->mBlockedby = -1; # Unset
 103                 $this->mTouched = '0'; # Allow any pages to be cached
 104                 $this->cookiePassword = "";
 105         }
 106
 107         /* private */ function getBlockedStatus()
 108         {
 109                 global $wgIP, $wgBlockCache;
 110
 111                 if ( -1 != $this->mBlockedby ) { return; }
 112
 113                 $this->mBlockedby = 0;
 114
 115                 # User blocking
 116                 if ( $this->mId ) {
 117                         $block = new Block();
 118                         if ( $block->load( $wgIP , $this->mId ) ) {
 119                                 $this->mBlockedby = $block->mBy;
 120                                 $this->mBlockreason = $block->mReason;
 121                         }
 122                 }
 123
 124                 # IP/range blocking
 125                 if ( !$this->mBlockedby ) {
 126                         $block = $wgBlockCache->get( $wgIP );
 127                         if ( $block !== false ) {
 128                                 $this->mBlockedby = $block->mBy;
 129                                 $this->mBlockreason = $block->mReason;
 130                         }
 131                 }
 132         }
 133
 134         function isBlocked()
 135         {
 136                 $this->getBlockedStatus();
 137                 if ( 0 == $this->mBlockedby ) { return false; }
 138                 return true;
 139         }
 140
 141         function blockedBy() {
 142                 $this->getBlockedStatus();
 143                 return $this->mBlockedby;
 144         }
 145
 146         function blockedFor() {
 147                 $this->getBlockedStatus();
 148                 return $this->mBlockreason;
 149         }
 150
 151         function SetupSession() {
 152                 global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain;
 153                 if( $wgSessionsInMemcached ) {
 154                         require_once( "MemcachedSessions.php" );
 155                 }
 156                 session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain );
 157                 session_cache_limiter( "private, must-revalidate" );
 158                 @session_start();
 159         }
 160
 161         /* static */ function loadFromSession()
 162         {
 163                 global $wgMemc, $wgDBname;
 164
 165                 if ( isset( $_SESSION['wsUserID'] ) ) {
 166                         if ( 0 != $_SESSION['wsUserID'] ) {
 167                                 $sId = $_SESSION['wsUserID'];
 168                         } else {
 169                                 return new User();
 170                         }
 171                 } else if ( isset( $_COOKIE["{$wgDBname}UserID"] ) ) {
 172                         $sId = IntVal( $_COOKIE["{$wgDBname}UserID"] );
 173                         $_SESSION['wsUserID'] = $sId;
 174                 } else {
 175                         return new User();
 176                 }
 177                 if ( isset( $_SESSION['wsUserName'] ) ) {
 178                         $sName = $_SESSION['wsUserName'];
 179                 } else if ( isset( $_COOKIE["{$wgDBname}UserName"] ) ) {
 180                         $sName = $_COOKIE["{$wgDBname}UserName"];
 181                         $_SESSION['wsUserName'] = $sName;
 182                 } else {
 183                         return new User();
 184                 }
 185
 186                 $passwordCorrect = FALSE;
 187                 $user = $wgMemc->get( $key = "$wgDBname:user:id:$sId" );
 188                 if($makenew = !$user) {
 189                         wfDebug( "User::loadFromSession() unable to load from memcached\n" );
 190                         $user = new User();
 191                         $user->mId = $sId;
 192                         $user->loadFromDatabase();
 193                 } else {
 194                         wfDebug( "User::loadFromSession() got from cache!\n" );
 195                 }
 196
 197                 if ( isset( $_SESSION['wsUserPassword'] ) ) {
 198                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 199                 } else if ( isset( $_COOKIE["{$wgDBname}Password"] ) ) {
 200                         $user->mCookiePassword = $_COOKIE["{$wgDBname}Password"];
 201                         $_SESSION['wsUserPassword'] = $user->addSalt( $user->mCookiePassword );
 202                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 203                 } else {
 204                         return new User(); # Can't log in from session
 205                 }
 206
 207                 if ( ( $sName == $user->mName ) && $passwordCorrect ) {
 208                         if($makenew) {
 209                                 if($wgMemc->set( $key, $user ))
 210                                         wfDebug( "User::loadFromSession() successfully saved user\n" );
 211                                 else
 212                                         wfDebug( "User::loadFromSession() unable to save to memcached\n" );
 213                         }
 214                         $user->spreadBlock();
 215                         return $user;
 216                 }
 217                 return new User(); # Can't log in from session
 218         }
 219
 220         function loadFromDatabase()
 221         {
 222                 global $wgCommandLineMode;
 223                 if ( $this->mDataLoaded || $wgCommandLineMode ) {
 224                         return;
 225                 }
 226
 227                 # Paranoia
 228                 $this->mId = IntVal( $this->mId );
 229
 230                 # check in separate table if there are changes to the talk page
 231                 $this->mNewtalk=0; # reset talk page status
 232                 if($this->mId) {
 233                         $sql = "SELECT 1 FROM user_newtalk WHERE user_id={$this->mId}";
 234                         $res = wfQuery ($sql, DB_READ, "User::loadFromDatabase" );
 235
 236                         if (wfNumRows($res)>0) {
 237                                 $this->mNewtalk= 1;
 238                         }
 239                         wfFreeResult( $res );
 240                 } else {
 241                         global $wgDBname, $wgMemc;
 242                         $key = "$wgDBname:newtalk:ip:{$this->mName}";
 243                         $newtalk = $wgMemc->get( $key );
 244                         if( ! is_integer( $newtalk ) ){
 245                                 $sql = "SELECT 1 FROM user_newtalk WHERE user_ip='{$this->mName}'";
 246                                 $res = wfQuery ($sql, DB_READ, "User::loadFromDatabase" );
 247
 248                                 $this->mNewtalk = (wfNumRows($res)>0) ? 1 : 0;
 249                                 wfFreeResult( $res );
 250
 251                                 $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
 252                         } else {
 253                                 $this->mNewtalk = $newtalk ? 1 : 0;
 254                         }
 255                 }
 256                 if(!$this->mId) {
 257                         $this->mDataLoaded = true;
 258                         return;
 259                 } # the following stuff is for non-anonymous users only
 260
 261                 $sql = "SELECT user_name,user_password,user_newpassword,user_email," .
 262                   "user_real_name,user_options,user_rights,user_touched " .
 263                   " FROM user WHERE user_id=" . $this->mId;
 264                 $res = wfQuery( $sql, DB_READ, "User::loadFromDatabase" );
 265
 266                 if ( wfNumRows( $res ) > 0 ) {
 267                         $s = wfFetchObject( $res );
 268                         $this->mName = $s->user_name;
 269                         $this->mEmail = $s->user_email;
 270                         $this->mRealName = $s->user_real_name;
 271                         $this->mPassword = $s->user_password;
 272                         $this->mNewpassword = $s->user_newpassword;
 273                         $this->decodeOptions( $s->user_options );
 274                         $this->mRights = explode( ",", strtolower( $s->user_rights ) );
 275                         $this->mTouched = $s->user_touched;
 276                 }
 277
 278                 wfFreeResult( $res );
 279                 $this->mDataLoaded = true;
 280         }
 281
 282         function getID() { return $this->mId; }
 283         function setID( $v ) {
 284                 $this->mId = $v;
 285                 $this->mDataLoaded = false;
 286         }
 287
 288         function getName() {
 289                 $this->loadFromDatabase();
 290                 return $this->mName;
 291         }
 292
 293         function setName( $str )
 294         {
 295                 $this->loadFromDatabase();
 296                 $this->mName = $str;
 297         }
 298
 299         function getNewtalk()
 300         {
 301                 $this->loadFromDatabase();
 302                 return ( 0 != $this->mNewtalk );
 303         }
 304
 305         function setNewtalk( $val )
 306         {
 307                 $this->loadFromDatabase();
 308                 $this->mNewtalk = $val;
 309                 $this->invalidateCache();
 310         }
 311
 312         function invalidateCache() {
 313                 $this->loadFromDatabase();
 314                 $this->mTouched = wfTimestampNow();
 315                 # Don't forget to save the options after this or
 316                 # it won't take effect!
 317         }
 318
 319         function validateCache( $timestamp ) {
 320                 $this->loadFromDatabase();
 321                 return ($timestamp >= $this->mTouched);
 322         }
 323
 324         function getPassword()
 325         {
 326                 $this->loadFromDatabase();
 327                 return $this->mPassword;
 328         }
 329
 330         function getNewpassword()
 331         {
 332                 $this->loadFromDatabase();
 333                 return $this->mNewpassword;
 334         }
 335
 336         function addSalt( $p )
 337         {
 338                 global $wgPasswordSalt;
 339                 if($wgPasswordSalt)
 340                         return md5( "{$this->mId}-{$p}" );
 341                 else
 342                         return $p;
 343         }
 344
 345         function encryptPassword( $p )
 346         {
 347                 return $this->addSalt( md5( $p ) );
 348         }
 349
 350         function setPassword( $str )
 351         {
 352                 $this->loadFromDatabase();
 353                 $this->setCookiePassword( $str );
 354                 $this->mPassword = $this->encryptPassword( $str );
 355                 $this->mNewpassword = "";
 356         }
 357
 358         function setCookiePassword( $str )
 359         {
 360                 $this->loadFromDatabase();
 361                 $this->mCookiePassword = md5( $str );
 362         }
 363
 364         function setNewpassword( $str )
 365         {
 366                 $this->loadFromDatabase();
 367                 $this->mNewpassword = $this->encryptPassword( $str );
 368         }
 369
 370         function getEmail()
 371         {
 372                 $this->loadFromDatabase();
 373                 return $this->mEmail;
 374         }
 375
 376         function setEmail( $str )
 377         {
 378                 $this->loadFromDatabase();
 379                 $this->mEmail = $str;
 380         }
 381
 382         function getRealName()
 383         {
 384                 $this->loadFromDatabase();
 385                 return $this->mRealName;
 386         }
 387
 388         function setRealName( $str )
 389         {
 390                 $this->loadFromDatabase();
 391                 $this->mRealName = $str;
 392         }
 393
 394         function getOption( $oname )
 395         {
 396                 $this->loadFromDatabase();
 397                 if ( array_key_exists( $oname, $this->mOptions ) ) {
 398                         return $this->mOptions[$oname];
 399                 } else {
 400                         return "";
 401                 }
 402         }
 403
 404         function setOption( $oname, $val )
 405         {
 406                 $this->loadFromDatabase();
 407                 if ( $oname == 'skin' ) {
 408                         # Clear cached skin, so the new one displays immediately in Special:Preferences
 409                         unset( $this->mSkin );
 410                 }
 411                 $this->mOptions[$oname] = $val;
 412                 $this->invalidateCache();
 413         }
 414
 415         function getRights()
 416         {
 417                 $this->loadFromDatabase();
 418                 return $this->mRights;
 419         }
 420
 421         function addRight( $rname )
 422         {
 423                 $this->loadFromDatabase();
 424                 array_push( $this->mRights, $rname );
 425                 $this->invalidateCache();
 426         }
 427
 428         function isSysop()
 429         {
 430                 $this->loadFromDatabase();
 431                 if ( 0 == $this->mId ) { return false; }
 432
 433                 return in_array( "sysop", $this->mRights );
 434         }
 435
 436         function isDeveloper()
 437         {
 438                 $this->loadFromDatabase();
 439                 if ( 0 == $this->mId ) { return false; }
 440
 441                 return in_array( "developer", $this->mRights );
 442         }
 443
 444         function isBureaucrat()
 445         {
 446                 $this->loadFromDatabase();
 447                 if ( 0 == $this->mId ) { return false; }
 448
 449                 return in_array( "bureaucrat", $this->mRights );
 450         }
 451
 452         function isBot()
 453         {
 454                 $this->loadFromDatabase();
 455
 456                 # Why was this here? I need a UID=0 conversion script [TS]
 457                 # if ( 0 == $this->mId ) { return false; }
 458
 459                 return in_array( "bot", $this->mRights );
 460         }
 461
 462         function &getSkin()
 463         {
 464                 if ( ! isset( $this->mSkin ) ) {
 465                         $skinNames = Skin::getSkinNames();
 466                         $s = $this->getOption( "skin" );
 467                         if ( "" == $s ) { $s = 'standard'; }
 468
 469                         if ( !isset( $skinNames[$s] ) ) {
 470                                 $fallback = array(
 471                                         'standard' => "Standard",
 472                                         'nostalgia' => "Nostalgia",
 473                                         'cologneblue' => "Cologne Blue");
 474                                 if(is_int($s) && isset( $fallback[$s]) ){
 475                                         $sn = $fallback[$s];
 476                                 } else {
 477                                         $sn = "SkinStandard";
 478                                 }
 479                         } else {
 480                                 $sn = "Skin" . $skinNames[$s];
 481                         }
 482                         $this->mSkin = new $sn;
 483                 }
 484                 return $this->mSkin;
 485         }
 486
 487         function isWatched( $title ) {
 488                 $wl = WatchedItem::fromUserTitle( $this, $title );
 489                 return $wl->isWatched();
 490         }
 491
 492         function addWatch( $title ) {
 493                 $wl = WatchedItem::fromUserTitle( $this, $title );
 494                 $wl->addWatch();
 495                 $this->invalidateCache();
 496         }
 497
 498         function removeWatch( $title ) {
 499                 $wl = WatchedItem::fromUserTitle( $this, $title );
 500                 $wl->removeWatch();
 501                 $this->invalidateCache();
 502         }
 503
 504
 505         /* private */ function encodeOptions()
 506         {
 507                 $a = array();
 508                 foreach ( $this->mOptions as $oname => $oval ) {
 509                         array_push( $a, "{$oname}={$oval}" );
 510                 }
 511                 $s = implode( "\n", $a );
 512                 return wfStrencode( $s );
 513         }
 514
 515         /* private */ function decodeOptions( $str )
 516         {
 517                 $a = explode( "\n", $str );
 518                 foreach ( $a as $s ) {
 519                         if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
 520                                 $this->mOptions[$m[1]] = $m[2];
 521                         }
 522                 }
 523         }
 524
 525         function setCookies()
 526         {
 527                 global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgDBname;
 528                 if ( 0 == $this->mId ) return;
 529                 $this->loadFromDatabase();
 530                 $exp = time() + $wgCookieExpiration;
 531
 532                 $_SESSION['wsUserID'] = $this->mId;
 533                 setcookie( "{$wgDBname}UserID", $this->mId, $exp, $wgCookiePath, $wgCookieDomain );
 534
 535                 $_SESSION['wsUserName'] = $this->mName;
 536                 setcookie( "{$wgDBname}UserName", $this->mName, $exp, $wgCookiePath, $wgCookieDomain );
 537
 538                 $_SESSION['wsUserPassword'] = $this->mPassword;
 539                 if ( 1 == $this->getOption( "rememberpassword" ) ) {
 540                         setcookie( "{$wgDBname}Password", $this->mCookiePassword, $exp, $wgCookiePath, $wgCookieDomain );
 541                 } else {
 542                         setcookie( "{$wgDBname}Password", "", time() - 3600 );
 543                 }
 544         }
 545
 546         function logout()
 547         {
 548                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 549                 $this->mId = 0;
 550
 551                 $_SESSION['wsUserID'] = 0;
 552
 553                 setcookie( "{$wgDBname}UserID", "", time() - 3600, $wgCookiePath, $wgCookieDomain );
 554                 setcookie( "{$wgDBname}Password", "", time() - 3600, $wgCookiePath, $wgCookieDomain );
 555         }
 556
 557         function saveSettings()
 558         {
 559                 global $wgMemc, $wgDBname;
 560
 561                 if ( ! $this->mNewtalk ) {
 562                         if( $this->mId ) {
 563                                 $sql="DELETE FROM user_newtalk WHERE user_id={$this->mId}";
 564                                 wfQuery ($sql, DB_WRITE, "User::saveSettings");
 565                         } else {
 566                                 $sql="DELETE FROM user_newtalk WHERE user_ip='{$this->mName}'";
 567                                 wfQuery ($sql, DB_WRITE, "User::saveSettings");
 568                                 $wgMemc->delete( "$wgDBname:newtalk:ip:{$this->mName}" );
 569                         }
 570                 }
 571                 if ( 0 == $this->mId ) { return; }
 572
 573                 $sql = "UPDATE user SET " .
 574                   "user_name= '" . wfStrencode( $this->mName ) . "', " .
 575                   "user_password= '" . wfStrencode( $this->mPassword ) . "', " .
 576                   "user_newpassword= '" . wfStrencode( $this->mNewpassword ) . "', " .
 577                   "user_real_name= '" . wfStrencode( $this->mRealName ) . "', " .
 578                   "user_email= '" . wfStrencode( $this->mEmail ) . "', " .
 579                   "user_options= '" . $this->encodeOptions() . "', " .
 580                   "user_rights= '" . wfStrencode( implode( ",", $this->mRights ) ) . "', " .
 581                   "user_touched= '" . wfStrencode( $this->mTouched ) .
 582                   "' WHERE user_id={$this->mId}";
 583                 wfQuery( $sql, DB_WRITE, "User::saveSettings" );
 584                 $wgMemc->delete( "$wgDBname:user:id:$this->mId" );
 585         }
 586
 587         # Checks if a user with the given name exists
 588         #
 589         function idForName()
 590         {
 591                 $gotid = 0;
 592                 $s = trim( $this->mName );
 593                 if ( 0 == strcmp( "", $s ) ) return 0;
 594
 595                 $sql = "SELECT user_id FROM user WHERE user_name='" .
 596                   wfStrencode( $s ) . "'";
 597                 $res = wfQuery( $sql, DB_READ, "User::idForName" );
 598                 if ( 0 == wfNumRows( $res ) ) { return 0; }
 599
 600                 $s = wfFetchObject( $res );
 601                 if ( "" == $s ) return 0;
 602
 603                 $gotid = $s->user_id;
 604                 wfFreeResult( $res );
 605                 return $gotid;
 606         }
 607
 608         function addToDatabase()
 609         {
 610                 $sql = "INSERT INTO user (user_name,user_password,user_newpassword," .
 611                   "user_email, user_real_name, user_rights, user_options) " .
 612                   " VALUES ('" . wfStrencode( $this->mName ) . "', '" .
 613                   wfStrencode( $this->mPassword ) . "', '" .
 614                   wfStrencode( $this->mNewpassword ) . "', '" .
 615                   wfStrencode( $this->mEmail ) . "', '" .
 616                   wfStrencode( $this->mRealName ) . "', '" .
 617                   wfStrencode( implode( ",", $this->mRights ) ) . "', '" .
 618                   $this->encodeOptions() . "')";
 619                 wfQuery( $sql, DB_WRITE, "User::addToDatabase" );
 620                 $this->mId = $this->idForName();
 621         }
 622
 623         function spreadBlock()
 624         {
 625                 global $wgIP;
 626                 # If the (non-anonymous) user is blocked, this function will block any IP address
 627                 # that they successfully log on from.
 628                 $fname = "User::spreadBlock";
 629
 630                 wfDebug( "User:spreadBlock()\n" );
 631                 if ( $this->mId == 0 ) {
 632                         return;
 633                 }
 634
 635                 $userblock = Block::newFromDB( "", $this->mId );
 636                 if ( !$userblock->isValid() ) {
 637                         return;
 638                 }
 639
 640                 # Check if this IP address is already blocked
 641                 $ipblock = Block::newFromDB( $wgIP );
 642                 if ( $ipblock->isValid() ) {
 643                         # Just update the timestamp
 644                         $ipblock->updateTimestamp();
 645                         return;
 646                 }
 647
 648                 # Make a new block object with the desired properties
 649                 wfDebug( "Autoblocking {$this->mUserName}@{$wgIP}\n" );
 650                 $ipblock->mAddress = $wgIP;
 651                 $ipblock->mUser = 0;
 652                 $ipblock->mBy = $userblock->mBy;
 653                 $ipblock->mReason = wfMsg( "autoblocker", $this->getName(), $userblock->mReason );
 654                 $ipblock->mTimestamp = wfTimestampNow();
 655                 $ipblock->mAuto = 1;
 656                 # If the user is already blocked with an expiry date, we don't
 657                 # want to pile on top of that!
 658                 if($userblock->mExpiry) {
 659                         $ipblock->mExpiry = min ( $userblock->mExpiry, Block::getAutoblockExpiry( $ipblock->mTimestamp ));
 660                 } else {
 661                         $ipblock->mExpiry = Block::getAutoblockExpiry( $ipblock->mTimestamp );
 662                 }
 663
 664                 # Insert it
 665                 $ipblock->insert();
 666
 667         }
 668
 669         function getPageRenderingHash(){
 670                 static $hash = false;
 671                 if( $hash ){
 672                         return $hash;
 673                 }
 674
 675                 // stubthreshold is only included below for completeness,
 676                 // it will always be 0 when this function is called by parsercache.
 677
 678                 $confstr =        $this->getOption( "quickbar" );
 679                 $confstr .= "!" . $this->getOption( "underline" );
 680                 $confstr .= "!" . $this->getOption( "hover" );
 681                 $confstr .= "!" . $this->getOption( "skin" );
 682                 $confstr .= "!" . $this->getOption( "math" );
 683                 $confstr .= "!" . $this->getOption( "highlightbroken" );
 684                 $confstr .= "!" . $this->getOption( "stubthreshold" );
 685                 $confstr .= "!" . $this->getOption( "editsection" );
 686                 $confstr .= "!" . $this->getOption( "editsectiononrightclick" );
 687                 $confstr .= "!" . $this->getOption( "showtoc" );
 688                 $confstr .= "!" . $this->getOption( "date" );
 689
 690                 if(strlen($confstr) > 32)
 691                         $hash = md5($confstr);
 692                 else
 693                         $hash = $confstr;
 694                 return $hash;
 695         }
 696
 697         function isAllowedToCreateAccount()
 698         {
 699                 global $wgWhitelistAccount;
 700                 $allowed = false;
 701
 702                 if (!$wgWhitelistAccount) { return 1; }; // default behaviour
 703                 foreach ($wgWhitelistAccount as $right => $ok) {
 704                         $userHasRight = (!strcmp($right, "user") || in_array($right, $this->getRights()));
 705                         $allowed |= ($ok && $userHasRight);
 706                 }
 707                 return $allowed;
 708         }
 709
 710         # Set mDataLoaded, return previous value
 711         # Use this to prevent DB access in command-line scripts or similar situations
 712         function setLoaded( $loaded )
 713         {
 714                 wfSetVar( $this->mDataLoaded, $loaded );
 715         }
 716
 717         function getUserPage() {
 718                 return Title::makeTitle( NS_USER, $this->mName );
 719         }
 720 }
 721
 722 ?>