includes/User.php

   1 <?
   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
  15         function User()
  16         {
  17                 $this->loadDefaults();
  18         }
  19
  20         # Static factory method
  21         #
  22         function newFromName( $name )
  23         {
  24                 $u = new User();
  25
  26                 # Clean up name according to title rules
  27
  28                 $t = Title::newFromText( $name );
  29                 $u->setName( $t->getText() );
  30                 return $u;
  31         }
  32
  33         /* static */ function whoIs( $id )
  34         {
  35                 return wfGetSQL( "user", "user_name", "user_id=$id" );
  36         }
  37
  38         /* static */ function idFromName( $name )
  39         {
  40                 $nt = Title::newFromText( $name );
  41                 $sql = "SELECT user_id FROM user WHERE user_name='" .
  42                   wfStrencode( $nt->getText() ) . "'";
  43                 $res = wfQuery( $sql, DB_READ, "User::idFromName" );
  44
  45                 if ( 0 == wfNumRows( $res ) ) { return 0; }
  46                 else {
  47                         $s = wfFetchObject( $res );
  48                         return $s->user_id;
  49                 }
  50         }
  51
  52         # does the string match an anonymous user IP address?
  53         /* static */ function isIP( $name ) {
  54                 return preg_match("/^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/",$name);
  55
  56         }
  57
  58         /* static */ function randomPassword()
  59         {
  60                 $pwchars = "ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz";
  61                 $l = strlen( $pwchars ) - 1;
  62
  63                 wfSeedRandom();
  64                 $np = $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
  65                   $pwchars{mt_rand( 0, $l )} . chr( mt_rand(48, 57) ) .
  66                   $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
  67                   $pwchars{mt_rand( 0, $l )};
  68                 return $np;
  69         }
  70
  71         function loadDefaults()
  72         {
  73                 global $wgLang, $wgIP;
  74                 global $wgNamespacesToBeSearchedDefault;
  75
  76                 $this->mId = $this->mNewtalk = 0;
  77                 $this->mName = $wgIP;
  78                 $this->mEmail = "";
  79                 $this->mPassword = $this->mNewpassword = "";
  80                 $this->mRights = array();
  81                 $defOpt = $wgLang->getDefaultUserOptions() ;
  82                 foreach ( $defOpt as $oname => $val ) {
  83                         $this->mOptions[$oname] = $val;
  84                 }
  85                 foreach ($wgNamespacesToBeSearchedDefault as $nsnum => $val) {
  86                         $this->mOptions["searchNs".$nsnum] = $val;
  87                 }
  88                 unset( $this->mSkin );
  89                 $this->mDataLoaded = false;
  90                 $this->mBlockedby = -1; # Unset
  91                 $this->mTouched = '0'; # Allow any pages to be cached
  92                 $this->cookiePassword = "";
  93         }
  94
  95         /* private */ function getBlockedStatus()
  96         {
  97                 global $wgBadRanges, $wgBadUserAgents, $wgRangeBlockUser, $wgRangeBlockReason, $wgIP;
  98
  99                 if ( -1 != $this->mBlockedby ) { return; }
 100
 101                 # Range/user-agent blocking
 102
 103                 $fBlock = false; # Mmmm, Hungarian
 104                 if ( ( !is_array( $wgBadUserAgents ) ||
 105                                         array_key_exists( getenv( "HTTP_USER_AGENT" ), $wgBadUserAgents ) ) &&
 106                                 is_array( $wgBadRanges ) )
 107                 {
 108                         $iIp = ip2long( $wgIP );
 109                         foreach ( $wgBadRanges as $range ) {
 110                                 $start = ip2long( $range[0] );
 111                                 $end = ip2long( $range[1] );
 112                                 if ( $iIp >= $start && $iIp <= $end ) {
 113                                         $fBlock = true;
 114                                         break;
 115                                 }
 116                         }
 117                 }
 118
 119                 if ( $fBlock ) {
 120                         $this->mBlockedby = $wgRangeBlockUser;
 121                         $this->mBlockreason = $wgRangeBlockReason;
 122                         return;
 123                 }
 124
 125                 # User/IP blocking
 126
 127                 $block = new Block();
 128                 if ( !$block->load( $wgIP , $this->mId ) ) {
 129                         wfDebug( $wgIP ." is not blocked\n" );
 130                         $this->mBlockedby = 0;
 131                         return;
 132                 }
 133
 134                 $this->mBlockedby = $block->mBy;
 135                 $this->mBlockreason = $block->mReason;
 136         }
 137
 138         function isBlocked()
 139         {
 140                 $this->getBlockedStatus();
 141                 if ( 0 == $this->mBlockedby ) { return false; }
 142                 return true;
 143         }
 144
 145         function blockedBy() {
 146                 $this->getBlockedStatus();
 147                 return $this->mBlockedby;
 148         }
 149
 150         function blockedFor() {
 151                 $this->getBlockedStatus();
 152                 return $this->mBlockreason;
 153         }
 154
 155         function SetupSession() {
 156                 global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain;
 157                 global $wsUserID, $wsUserName, $wsUserPassword, $wsUploadFiles;
 158                 if( $wgSessionsInMemcached ) {
 159                         include_once( "MemcachedSessions.php" );
 160                 }
 161                 session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain );
 162                 session_cache_limiter( "private, must-revalidate" );
 163                 session_start();
 164                 session_register( "wsUserID" );
 165                 session_register( "wsUserName" );
 166                 session_register( "wsUserPassword" );
 167                 session_register( "wsUploadFiles" );
 168         }
 169
 170         /* static */ function loadFromSession()
 171         {
 172                 global $HTTP_COOKIE_VARS, $wsUserID, $wsUserName, $wsUserPassword;
 173                 global $wgMemc, $wgDBname;
 174
 175                 if ( isset( $wsUserID ) ) {
 176                         if ( 0 != $wsUserID ) {
 177                                 $sId = $wsUserID;
 178                         } else {
 179                                 return new User();
 180                         }
 181                 } else if ( isset( $HTTP_COOKIE_VARS["{$wgDBname}UserID"] ) ) {
 182                         $sId = $HTTP_COOKIE_VARS["{$wgDBname}UserID"];
 183                         $wsUserID = $sId;
 184                 } else {
 185                         return new User();
 186                 }
 187                 if ( isset( $wsUserName ) ) {
 188                         $sName = $wsUserName;
 189                 } else if ( isset( $HTTP_COOKIE_VARS["{$wgDBname}UserName"] ) ) {
 190                         $sName = $HTTP_COOKIE_VARS["{$wgDBname}UserName"];
 191                         $wsUserName = $sName;
 192                 } else {
 193                         return new User();
 194                 }
 195
 196                 $passwordCorrect = FALSE;
 197                 $user = $wgMemc->get( $key = "$wgDBname:user:id:$sId" );
 198                 if($makenew = !$user) {
 199                         wfDebug( "User::loadFromSession() unable to load from memcached\n" );
 200                         $user = new User();
 201                         $user->mId = $sId;
 202                         $user->loadFromDatabase();
 203                 } else {
 204                         wfDebug( "User::loadFromSession() got from cache!\n" );
 205                 }
 206
 207                 if ( isset( $wsUserPassword ) ) {
 208                         $passwordCorrect = $wsUserPassword == $user->mPassword;
 209                 } else if ( isset( $HTTP_COOKIE_VARS["{$wgDBname}Password"] ) ) {
 210                         $user->mCookiePassword = $HTTP_COOKIE_VARS["{$wgDBname}Password"];
 211                         $wsUserPassword = $user->addSalt( $user->mCookiePassword );
 212                         $passwordCorrect = $wsUserPassword == $user->mPassword;
 213                 } else {
 214                         return new User(); # Can't log in from session
 215                 }
 216
 217                 if ( ( $sName == $user->mName ) && $passwordCorrect ) {
 218                         if($makenew) {
 219                                 if($wgMemc->set( $key, $user ))
 220                                         wfDebug( "User::loadFromSession() successfully saved user\n" );
 221                                 else
 222                                         wfDebug( "User::loadFromSession() unable to save to memcached\n" );
 223                         }
 224                         $user->spreadBlock();
 225                         return $user;
 226                 }
 227                 return new User(); # Can't log in from session
 228         }
 229
 230         function loadFromDatabase()
 231         {
 232                 if ( $this->mDataLoaded ) { return; }
 233                 # check in separate table if there are changes to the talk page
 234                 $this->mNewtalk=0; # reset talk page status
 235                 if($this->mId) {
 236                         $sql = "SELECT 1 FROM user_newtalk WHERE user_id={$this->mId}";
 237                         $res = wfQuery ($sql, DB_READ, "User::loadFromDatabase" );
 238
 239                         if (wfNumRows($res)>0) {
 240                                 $this->mNewtalk= 1;
 241                         }
 242                         wfFreeResult( $res );
 243                 } else {
 244                         # TEST THIS @@@
 245                         global $wgDBname, $wgMemc;
 246                         $key = "$wgDBname:newtalk:ip:{$this->mName}";
 247                         $newtalk = $wgMemc->get( $key );
 248                         if( ! is_integer( $newtalk ) ){
 249                                 $sql = "SELECT 1 FROM user_newtalk WHERE user_ip='{$this->mName}'";
 250                                 $res = wfQuery ($sql, DB_READ, "User::loadFromDatabase" );
 251
 252                                 $this->mNewtalk = (wfNumRows($res)>0) ? 1 : 0;
 253                                 wfFreeResult( $res );
 254
 255                                 $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
 256                         } else {
 257                                 $this->mNewtalk = $newtalk ? 1 : 0;
 258                         }
 259                 }
 260                 if(!$this->mId) {
 261                         $this->mDataLoaded = true;
 262                         return;
 263                 } # the following stuff is for non-anonymous users only
 264
 265                 $sql = "SELECT user_name,user_password,user_newpassword,user_email," .
 266                   "user_options,user_rights,user_touched FROM user WHERE user_id=" .
 267                   "{$this->mId}";
 268                 $res = wfQuery( $sql, DB_READ, "User::loadFromDatabase" );
 269
 270                 if ( wfNumRows( $res ) > 0 ) {
 271                         $s = wfFetchObject( $res );
 272                         $this->mName = $s->user_name;
 273                         $this->mEmail = $s->user_email;
 274                         $this->mPassword = $s->user_password;
 275                         $this->mNewpassword = $s->user_newpassword;
 276                         $this->decodeOptions( $s->user_options );
 277                         $this->mRights = explode( ",", strtolower( $s->user_rights ) );
 278                         $this->mTouched = $s->user_touched;
 279                 }
 280
 281                 wfFreeResult( $res );
 282                 $this->mDataLoaded = true;
 283         }
 284
 285         function getID() { return $this->mId; }
 286         function setID( $v ) {
 287                 $this->mId = $v;
 288                 $this->mDataLoaded = false;
 289         }
 290
 291         function getName() {
 292                 $this->loadFromDatabase();
 293                 return $this->mName;
 294         }
 295
 296         function setName( $str )
 297         {
 298                 $this->loadFromDatabase();
 299                 $this->mName = $str;
 300         }
 301
 302         function getNewtalk()
 303         {
 304                 $this->loadFromDatabase();
 305                 return ( 0 != $this->mNewtalk );
 306         }
 307
 308         function setNewtalk( $val )
 309         {
 310                 $this->loadFromDatabase();
 311                 $this->mNewtalk = $val;
 312                 $this->invalidateCache();
 313         }
 314
 315         function invalidateCache() {
 316                 $this->loadFromDatabase();
 317                 $this->mTouched = wfTimestampNow();
 318                 # Don't forget to save the options after this or
 319                 # it won't take effect!
 320         }
 321
 322         function validateCache( $timestamp ) {
 323                 $this->loadFromDatabase();
 324                 return ($timestamp >= $this->mTouched);
 325         }
 326
 327         function getPassword()
 328         {
 329                 $this->loadFromDatabase();
 330                 return $this->mPassword;
 331         }
 332
 333         function getNewpassword()
 334         {
 335                 $this->loadFromDatabase();
 336                 return $this->mNewpassword;
 337         }
 338
 339         function addSalt( $p )
 340         {
 341                 global $wgPasswordSalt;
 342                 if($wgPasswordSalt)
 343                         return md5( "{$this->mId}-{$p}" );
 344                 else
 345                         return $p;
 346         }
 347
 348         function encryptPassword( $p )
 349         {
 350                 return $this->addSalt( md5( $p ) );
 351         }
 352
 353         function setPassword( $str )
 354         {
 355                 $this->loadFromDatabase();
 356                 $this->setCookiePassword( $str );
 357                 $this->mPassword = $this->encryptPassword( $str );
 358                 $this->mNewpassword = "";
 359         }
 360
 361         function setCookiePassword( $str )
 362         {
 363                 $this->loadFromDatabase();
 364                 $this->mCookiePassword = md5( $str );
 365         }
 366
 367         function setNewpassword( $str )
 368         {
 369                 $this->loadFromDatabase();
 370                 $this->mNewpassword = $this->encryptPassword( $str );
 371         }
 372
 373         function getEmail()
 374         {
 375                 $this->loadFromDatabase();
 376                 return $this->mEmail;
 377         }
 378
 379         function setEmail( $str )
 380         {
 381                 $this->loadFromDatabase();
 382                 $this->mEmail = $str;
 383         }
 384
 385         function getOption( $oname )
 386         {
 387                 $this->loadFromDatabase();
 388                 if ( array_key_exists( $oname, $this->mOptions ) ) {
 389                         return $this->mOptions[$oname];
 390                 } else {
 391                         return "";
 392                 }
 393         }
 394
 395         function setOption( $oname, $val )
 396         {
 397                 $this->loadFromDatabase();
 398                 $this->mOptions[$oname] = $val;
 399                 $this->invalidateCache();
 400         }
 401
 402         function getRights()
 403         {
 404                 $this->loadFromDatabase();
 405                 return $this->mRights;
 406         }
 407
 408         function addRight( $rname )
 409         {
 410                 $this->loadFromDatabase();
 411                 array_push( $this->mRights, $rname );
 412                 $this->invalidateCache();
 413         }
 414
 415         function isSysop()
 416         {
 417                 $this->loadFromDatabase();
 418                 if ( 0 == $this->mId ) { return false; }
 419
 420                 return in_array( "sysop", $this->mRights );
 421         }
 422
 423         function isDeveloper()
 424         {
 425                 $this->loadFromDatabase();
 426                 if ( 0 == $this->mId ) { return false; }
 427
 428                 return in_array( "developer", $this->mRights );
 429         }
 430
 431         function isBureaucrat()
 432         {
 433                 $this->loadFromDatabase();
 434                 if ( 0 == $this->mId ) { return false; }
 435
 436                 return in_array( "bureaucrat", $this->mRights );
 437         }
 438
 439         function isBot()
 440         {
 441                 $this->loadFromDatabase();
 442                 if ( 0 == $this->mId ) { return false; }
 443
 444                 return in_array( "bot", $this->mRights );
 445         }
 446
 447         function &getSkin()
 448         {
 449                 if ( ! isset( $this->mSkin ) ) {
 450                         $skinNames = Skin::getSkinNames();
 451                         $s = $this->getOption( "skin" );
 452                         if ( "" == $s ) { $s = 0; }
 453
 454                         if ( $s >= count( $skinNames ) ) { $sn = "SkinStandard"; }
 455                         else $sn = "Skin" . $skinNames[$s];
 456                         $this->mSkin = new $sn;
 457                 }
 458                 return $this->mSkin;
 459         }
 460
 461         function isWatched( $title ) {
 462                 $wl = WatchedItem::fromUserTitle( $this, $title );
 463                 return $wl->isWatched();
 464         }
 465
 466         function addWatch( $title ) {
 467                 $wl = WatchedItem::fromUserTitle( $this, $title );
 468                 $wl->addWatch();
 469                 $this->invalidateCache();
 470         }
 471
 472         function removeWatch( $title ) {
 473                 $wl = WatchedItem::fromUserTitle( $this, $title );
 474                 $wl->removeWatch();
 475                 $this->invalidateCache();
 476         }
 477
 478
 479         /* private */ function encodeOptions()
 480         {
 481                 $a = array();
 482                 foreach ( $this->mOptions as $oname => $oval ) {
 483                         array_push( $a, "{$oname}={$oval}" );
 484                 }
 485                 $s = implode( "\n", $a );
 486                 return wfStrencode( $s );
 487         }
 488
 489         /* private */ function decodeOptions( $str )
 490         {
 491                 $a = explode( "\n", $str );
 492                 foreach ( $a as $s ) {
 493                         if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
 494                                 $this->mOptions[$m[1]] = $m[2];
 495                         }
 496                 }
 497         }
 498
 499         function setCookies()
 500         {
 501                 global $wsUserID, $wsUserName, $wsUserPassword;
 502                 global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgDBname;
 503                 if ( 0 == $this->mId ) return;
 504                 $this->loadFromDatabase();
 505                 $exp = time() + $wgCookieExpiration;
 506
 507                 $wsUserID = $this->mId;
 508                 setcookie( "{$wgDBname}UserID", $this->mId, $exp, $wgCookiePath, $wgCookieDomain );
 509
 510                 $wsUserName = $this->mName;
 511                 setcookie( "{$wgDBname}UserName", $this->mName, $exp, $wgCookiePath, $wgCookieDomain );
 512
 513                 $wsUserPassword = $this->mPassword;
 514                 if ( 1 == $this->getOption( "rememberpassword" ) ) {
 515                         setcookie( "{$wgDBname}Password", $this->mCookiePassword, $exp, $wgCookiePath, $wgCookieDomain );
 516                 } else {
 517                         setcookie( "{$wgDBname}Password", "", time() - 3600 );
 518                 }
 519         }
 520
 521         function logout()
 522         {
 523                 global $wsUserID, $wgCookiePath, $wgCookieDomain, $wgDBname;
 524                 $this->mId = 0;
 525
 526                 $wsUserID = 0;
 527
 528                 setcookie( "{$wgDBname}UserID", "", time() - 3600, $wgCookiePath, $wgCookieDomain );
 529                 setcookie( "{$wgDBname}Password", "", time() - 3600, $wgCookiePath, $wgCookieDomain );
 530         }
 531
 532         function saveSettings()
 533         {
 534                 global $wgMemc, $wgDBname;
 535
 536                 if ( ! $this->mNewtalk ) {
 537                         if( $this->mId ) {
 538                                 $sql="DELETE FROM user_newtalk WHERE user_id={$this->mId}";
 539                                 wfQuery ($sql, DB_WRITE, "User::saveSettings");
 540                         } else {
 541                                 $sql="DELETE FROM user_newtalk WHERE user_ip='{$this->mName}'";
 542                                 wfQuery ($sql, DB_WRITE, "User::saveSettings");
 543                                 $wgMemc->delete( "$wgDBname:newtalk:ip:{$this->mName}" );
 544                         }
 545                 }
 546                 if ( 0 == $this->mId ) { return; }
 547
 548                 $sql = "UPDATE user SET " .
 549                   "user_name= '" . wfStrencode( $this->mName ) . "', " .
 550                   "user_password= '" . wfStrencode( $this->mPassword ) . "', " .
 551                   "user_newpassword= '" . wfStrencode( $this->mNewpassword ) . "', " .
 552                   "user_email= '" . wfStrencode( $this->mEmail ) . "', " .
 553                   "user_options= '" . $this->encodeOptions() . "', " .
 554                   "user_rights= '" . wfStrencode( implode( ",", $this->mRights ) ) . "', " .
 555                   "user_touched= '" . wfStrencode( $this->mTouched ) .
 556                   "' WHERE user_id={$this->mId}";
 557                 wfQuery( $sql, DB_WRITE, "User::saveSettings" );
 558                 $wgMemc->delete( "$wgDBname:user:id:$this->mId" );
 559         }
 560
 561         # Checks if a user with the given name exists
 562         #
 563         function idForName()
 564         {
 565                 $gotid = 0;
 566                 $s = trim( $this->mName );
 567                 if ( 0 == strcmp( "", $s ) ) return 0;
 568
 569                 $sql = "SELECT user_id FROM user WHERE user_name='" .
 570                   wfStrencode( $s ) . "'";
 571                 $res = wfQuery( $sql, DB_READ, "User::idForName" );
 572                 if ( 0 == wfNumRows( $res ) ) { return 0; }
 573
 574                 $s = wfFetchObject( $res );
 575                 if ( "" == $s ) return 0;
 576
 577                 $gotid = $s->user_id;
 578                 wfFreeResult( $res );
 579                 return $gotid;
 580         }
 581
 582         function addToDatabase()
 583         {
 584                 $sql = "INSERT INTO user (user_name,user_password,user_newpassword," .
 585                   "user_email, user_rights, user_options) " .
 586                   " VALUES ('" . wfStrencode( $this->mName ) . "', '" .
 587                   wfStrencode( $this->mPassword ) . "', '" .
 588                   wfStrencode( $this->mNewpassword ) . "', '" .
 589                   wfStrencode( $this->mEmail ) . "', '" .
 590                   wfStrencode( implode( ",", $this->mRights ) ) . "', '" .
 591                   $this->encodeOptions() . "')";
 592                 wfQuery( $sql, DB_WRITE, "User::addToDatabase" );
 593                 $this->mId = $this->idForName();
 594         }
 595
 596         function spreadBlock()
 597         {
 598                 global $wgIP;
 599                 # If the (non-anonymous) user is blocked, this function will block any IP address
 600                 # that they successfully log on from.
 601                 $fname = "User::spreadBlock";
 602
 603                 wfDebug( "User:spreadBlock()\n" );
 604                 if ( $this->mId == 0 ) {
 605                         return;
 606                 }
 607
 608                 $userblock = Block::newFromDB( "", $this->mId );
 609                 if ( !$userblock->isValid() ) {
 610                         return;
 611                 }
 612
 613                 # Check if this IP address is already blocked
 614                 $ipblock = Block::newFromDB( $wgIP );
 615                 if ( $ipblock->isValid() ) {
 616                         # Just update the timestamp
 617                         $ipblock->updateTimestamp();
 618                         return;
 619                 }
 620
 621                 # Make a new block object with the desired properties
 622                 wfDebug( "Autoblocking {$this->mUserName}@{$wgIP}\n" );
 623                 $ipblock->mAddress = $wgIP;
 624                 $ipblock->mUser = 0;
 625                 $ipblock->mBy = $userblock->mBy;
 626                 $ipblock->mReason = wfMsg( "autoblocker", $this->getName(), $userblock->mReason );
 627                 $ipblock->mTimestamp = wfTimestampNow();
 628                 $ipblock->mAuto = 1;
 629
 630                 # Insert it
 631                 $ipblock->insert();
 632
 633         }
 634
 635         function getPageRenderingHash(){
 636                 static $hash = false;
 637                 if( $hash ){
 638                         return $hash;
 639                 }
 640
 641                 // stubthreshold is only included below for completeness,
 642                 // it will always be 0 when this function is called by parsercache.
 643
 644                 $confstr =        $this->getOption( "quickbar" );
 645                 $confstr .= "!" . $this->getOption( "underline" );
 646                 $confstr .= "!" . $this->getOption( "hover" );
 647                 $confstr .= "!" . $this->getOption( "skin" );
 648                 $confstr .= "!" . $this->getOption( "math" );
 649                 $confstr .= "!" . $this->getOption( "highlightbroken" );
 650                 $confstr .= "!" . $this->getOption( "stubthreshold" );
 651                 $confstr .= "!" . $this->getOption( "editsection" );
 652                 $confstr .= "!" . $this->getOption( "editsectiononrightclick" );
 653                 $confstr .= "!" . $this->getOption( "showtoc" );
 654                 $confstr .= "!" . $this->getOption( "date" );
 655
 656                 if(strlen($confstr) > 32)
 657                         $hash = md5($confstr);
 658                 else
 659                         $hash = $confstr;
 660                 return $hash;
 661         }
 662
 663         function isAllowedToCreateAccount()
 664         {
 665                 global $wgWhitelistAccount;
 666                 $allowed = false;
 667
 668                 if (!$wgWhitelistAccount) { return 1; }; // default behaviour
 669                 foreach ($wgWhitelistAccount as $right => $ok) {
 670                         $userHasRight = (!strcmp($right, "user") || in_array($right, $this->getRights()));
 671                         $allowed |= ($ok && $userHasRight);
 672                 }
 673                 return $allowed;
 674         }
 675
 676
 677
 678 }
 679
 680 ?>