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         /* private */ var $mUserTable;
  16
  17         function User()
  18         {
  19                 $this->loadDefaults();
  20         }
  21
  22         # Static factory method
  23         #
  24         function newFromName( $name )
  25         {
  26                 $u = new User();
  27
  28                 # Clean up name according to title rules
  29
  30                 $t = Title::newFromText( $name );
  31                 $u->setName( $t->getText() );
  32                 return $u;
  33         }
  34
  35         /* static */ function whoIs( $id )
  36         {
  37                 return wfGetSQL( "user", "user_name", "user_id=$id" );
  38         }
  39
  40         /* static */ function whoIsReal( $id )
  41         {
  42                 return wfGetSQL( "user", "user_real_name", "user_id=$id" );
  43         }
  44
  45         /* static */ function idFromName( $name )
  46         {
  47                 global $wgIsPg;
  48                 $nt = Title::newFromText( $name );
  49                 if( is_null( $nt ) ) {
  50                         # Illegal name
  51                         return null;
  52                 }
  53                 $usertable=$wgIsPg?'"user"':'user';
  54                 $sql = "SELECT user_id FROM $usertable WHERE user_name='" .
  55                   wfStrencode( $nt->getText() ) . "'";
  56                 $res = wfQuery( $sql, DB_READ, "User::idFromName" );
  57
  58                 if ( 0 == wfNumRows( $res ) ) {
  59                         return 0;
  60                 } else {
  61                         $s = wfFetchObject( $res );
  62                         wfFreeResult( $res );
  63                         return $s->user_id;
  64                 }
  65         }
  66
  67         # does the string match an anonymous user IP address?
  68         /* static */ function isIP( $name ) {
  69                 return preg_match("/^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/",$name);
  70
  71         }
  72
  73         /* static */ function randomPassword()
  74         {
  75                 $pwchars = "ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz";
  76                 $l = strlen( $pwchars ) - 1;
  77
  78                 wfSeedRandom();
  79                 $np = $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
  80                   $pwchars{mt_rand( 0, $l )} . chr( mt_rand(48, 57) ) .
  81                   $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
  82                   $pwchars{mt_rand( 0, $l )};
  83                 return $np;
  84         }
  85
  86         function loadDefaults()
  87         {
  88                 global $wgLang, $wgIP, $wgIsPg;
  89                 global $wgNamespacesToBeSearchedDefault;
  90
  91                 $this->mId = $this->mNewtalk = 0;
  92                 $this->mName = $wgIP;
  93                 $this->mEmail = "";
  94                 $this->mPassword = $this->mNewpassword = "";
  95                 $this->mRights = array();
  96                 $defOpt = $wgLang->getDefaultUserOptions() ;
  97                 foreach ( $defOpt as $oname => $val ) {
  98                         $this->mOptions[$oname] = $val;
  99                 }
 100                 foreach ($wgNamespacesToBeSearchedDefault as $nsnum => $val) {
 101                         $this->mOptions["searchNs".$nsnum] = $val;
 102                 }
 103                 unset( $this->mSkin );
 104                 $this->mDataLoaded = false;
 105                 $this->mBlockedby = -1; # Unset
 106                 $this->mTouched = '0'; # Allow any pages to be cached
 107                 $this->cookiePassword = "";
 108
 109                 /* avoid reserved keyword usage for PostgreSQL */
 110                 $this->mUserTable=$wgIsPg?'"user"':'user';
 111         }
 112
 113         /* private */ function getBlockedStatus()
 114         {
 115                 global $wgIP, $wgBlockCache;
 116
 117                 if ( -1 != $this->mBlockedby ) { return; }
 118
 119                 $this->mBlockedby = 0;
 120
 121                 # User blocking
 122                 if ( $this->mId ) {
 123                         $block = new Block();
 124                         if ( $block->load( $wgIP , $this->mId ) ) {
 125                                 $this->mBlockedby = $block->mBy;
 126                                 $this->mBlockreason = $block->mReason;
 127                         }
 128                 }
 129
 130                 # IP/range blocking
 131                 if ( !$this->mBlockedby ) {
 132                         $block = $wgBlockCache->get( $wgIP );
 133                         if ( $block !== false ) {
 134                                 $this->mBlockedby = $block->mBy;
 135                                 $this->mBlockreason = $block->mReason;
 136                         }
 137                 }
 138         }
 139
 140         function isBlocked()
 141         {
 142                 $this->getBlockedStatus();
 143                 if ( 0 == $this->mBlockedby ) { return false; }
 144                 return true;
 145         }
 146
 147         function blockedBy() {
 148                 $this->getBlockedStatus();
 149                 return $this->mBlockedby;
 150         }
 151
 152         function blockedFor() {
 153                 $this->getBlockedStatus();
 154                 return $this->mBlockreason;
 155         }
 156
 157         function SetupSession() {
 158                 global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain;
 159                 if( $wgSessionsInMemcached ) {
 160                         require_once( "MemcachedSessions.php" );
 161                 }
 162                 session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain );
 163                 session_cache_limiter( "private, must-revalidate" );
 164                 @session_start();
 165         }
 166
 167         /* static */ function loadFromSession()
 168         {
 169                 global $wgMemc, $wgDBname;
 170
 171                 if ( isset( $_SESSION['wsUserID'] ) ) {
 172                         if ( 0 != $_SESSION['wsUserID'] ) {
 173                                 $sId = $_SESSION['wsUserID'];
 174                         } else {
 175                                 return new User();
 176                         }
 177                 } else if ( isset( $_COOKIE["{$wgDBname}UserID"] ) ) {
 178                         $sId = IntVal( $_COOKIE["{$wgDBname}UserID"] );
 179                         $_SESSION['wsUserID'] = $sId;
 180                 } else {
 181                         return new User();
 182                 }
 183                 if ( isset( $_SESSION['wsUserName'] ) ) {
 184                         $sName = $_SESSION['wsUserName'];
 185                 } else if ( isset( $_COOKIE["{$wgDBname}UserName"] ) ) {
 186                         $sName = $_COOKIE["{$wgDBname}UserName"];
 187                         $_SESSION['wsUserName'] = $sName;
 188                 } else {
 189                         return new User();
 190                 }
 191
 192                 $passwordCorrect = FALSE;
 193                 $user = $wgMemc->get( $key = "$wgDBname:user:id:$sId" );
 194                 if($makenew = !$user) {
 195                         wfDebug( "User::loadFromSession() unable to load from memcached\n" );
 196                         $user = new User();
 197                         $user->mId = $sId;
 198                         $user->loadFromDatabase();
 199                 } else {
 200                         wfDebug( "User::loadFromSession() got from cache!\n" );
 201                 }
 202
 203                 if ( isset( $_SESSION['wsUserPassword'] ) ) {
 204                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 205                 } else if ( isset( $_COOKIE["{$wgDBname}Password"] ) ) {
 206                         $user->mCookiePassword = $_COOKIE["{$wgDBname}Password"];
 207                         $_SESSION['wsUserPassword'] = $user->addSalt( $user->mCookiePassword );
 208                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 209                 } else {
 210                         return new User(); # Can't log in from session
 211                 }
 212
 213                 if ( ( $sName == $user->mName ) && $passwordCorrect ) {
 214                         if($makenew) {
 215                                 if($wgMemc->set( $key, $user ))
 216                                         wfDebug( "User::loadFromSession() successfully saved user\n" );
 217                                 else
 218                                         wfDebug( "User::loadFromSession() unable to save to memcached\n" );
 219                         }
 220                         $user->spreadBlock();
 221                         return $user;
 222                 }
 223                 return new User(); # Can't log in from session
 224         }
 225
 226         function loadFromDatabase()
 227         {
 228                 global $wgCommandLineMode;
 229                 if ( $this->mDataLoaded || $wgCommandLineMode ) {
 230                         return;
 231                 }
 232
 233                 # Paranoia
 234                 $this->mId = IntVal( $this->mId );
 235
 236                 # check in separate table if there are changes to the talk page
 237                 $this->mNewtalk=0; # reset talk page status
 238                 if($this->mId) {
 239                         $sql = "SELECT 1 FROM user_newtalk WHERE user_id={$this->mId}";
 240                         $res = wfQuery ($sql, DB_READ, "User::loadFromDatabase" );
 241
 242                         if (wfNumRows($res)>0) {
 243                                 $this->mNewtalk= 1;
 244                         }
 245                         wfFreeResult( $res );
 246                 } else {
 247                         global $wgDBname, $wgMemc;
 248                         $key = "$wgDBname:newtalk:ip:{$this->mName}";
 249                         $newtalk = $wgMemc->get( $key );
 250                         if( ! is_integer( $newtalk ) ){
 251                                 $sql = "SELECT 1 FROM user_newtalk WHERE user_ip='{$this->mName}'";
 252                                 $res = wfQuery ($sql, DB_READ, "User::loadFromDatabase" );
 253
 254                                 $this->mNewtalk = (wfNumRows($res)>0) ? 1 : 0;
 255                                 wfFreeResult( $res );
 256
 257                                 $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
 258                         } else {
 259                                 $this->mNewtalk = $newtalk ? 1 : 0;
 260                         }
 261                 }
 262                 if(!$this->mId) {
 263                         $this->mDataLoaded = true;
 264                         return;
 265                 } # the following stuff is for non-anonymous users only
 266
 267                 $sql = "SELECT user_name,user_password,user_newpassword,user_email," .
 268                   "user_real_name,user_options,user_rights,user_touched " .
 269                   " FROM {$this->mUserTable} WHERE user_id=" . $this->mId;
 270                 $res = wfQuery( $sql, DB_READ, "User::loadFromDatabase" );
 271
 272                 if ( wfNumRows( $res ) > 0 ) {
 273                         $s = wfFetchObject( $res );
 274                         $this->mName = $s->user_name;
 275                         $this->mEmail = $s->user_email;
 276                         $this->mRealName = $s->user_real_name;
 277                         $this->mPassword = $s->user_password;
 278                         $this->mNewpassword = $s->user_newpassword;
 279                         $this->decodeOptions( $s->user_options );
 280                         $this->mRights = explode( ",", strtolower( $s->user_rights ) );
 281                         $this->mTouched = $s->user_touched;
 282                 }
 283
 284                 wfFreeResult( $res );
 285                 $this->mDataLoaded = true;
 286         }
 287
 288         function getID() { return $this->mId; }
 289         function setID( $v ) {
 290                 $this->mId = $v;
 291                 $this->mDataLoaded = false;
 292         }
 293
 294         function getName() {
 295                 $this->loadFromDatabase();
 296                 return $this->mName;
 297         }
 298
 299         function setName( $str )
 300         {
 301                 $this->loadFromDatabase();
 302                 $this->mName = $str;
 303         }
 304
 305         function getNewtalk()
 306         {
 307                 $this->loadFromDatabase();
 308                 return ( 0 != $this->mNewtalk );
 309         }
 310
 311         function setNewtalk( $val )
 312         {
 313                 $this->loadFromDatabase();
 314                 $this->mNewtalk = $val;
 315                 $this->invalidateCache();
 316         }
 317
 318         function invalidateCache() {
 319                 $this->loadFromDatabase();
 320                 $this->mTouched = wfTimestampNow();
 321                 # Don't forget to save the options after this or
 322                 # it won't take effect!
 323         }
 324
 325         function validateCache( $timestamp ) {
 326                 $this->loadFromDatabase();
 327                 return ($timestamp >= $this->mTouched);
 328         }
 329
 330         function getPassword()
 331         {
 332                 $this->loadFromDatabase();
 333                 return $this->mPassword;
 334         }
 335
 336         function getNewpassword()
 337         {
 338                 $this->loadFromDatabase();
 339                 return $this->mNewpassword;
 340         }
 341
 342         function addSalt( $p )
 343         {
 344                 global $wgPasswordSalt;
 345                 if($wgPasswordSalt)
 346                         return md5( "{$this->mId}-{$p}" );
 347                 else
 348                         return $p;
 349         }
 350
 351         function encryptPassword( $p )
 352         {
 353                 return $this->addSalt( md5( $p ) );
 354         }
 355
 356         function setPassword( $str )
 357         {
 358                 $this->loadFromDatabase();
 359                 $this->setCookiePassword( $str );
 360                 $this->mPassword = $this->encryptPassword( $str );
 361                 $this->mNewpassword = "";
 362         }
 363
 364         function setCookiePassword( $str )
 365         {
 366                 $this->loadFromDatabase();
 367                 $this->mCookiePassword = md5( $str );
 368         }
 369
 370         function setNewpassword( $str )
 371         {
 372                 $this->loadFromDatabase();
 373                 $this->mNewpassword = $this->encryptPassword( $str );
 374         }
 375
 376         function getEmail()
 377         {
 378                 $this->loadFromDatabase();
 379                 return $this->mEmail;
 380         }
 381
 382         function setEmail( $str )
 383         {
 384                 $this->loadFromDatabase();
 385                 $this->mEmail = $str;
 386         }
 387
 388         function getRealName()
 389         {
 390                 $this->loadFromDatabase();
 391                 return $this->mRealName;
 392         }
 393
 394         function setRealName( $str )
 395         {
 396                 $this->loadFromDatabase();
 397                 $this->mRealName = $str;
 398         }
 399
 400         function getOption( $oname )
 401         {
 402                 $this->loadFromDatabase();
 403                 if ( array_key_exists( $oname, $this->mOptions ) ) {
 404                         return $this->mOptions[$oname];
 405                 } else {
 406                         return "";
 407                 }
 408         }
 409
 410         function setOption( $oname, $val )
 411         {
 412                 $this->loadFromDatabase();
 413                 if ( $oname == 'skin' ) {
 414                         # Clear cached skin, so the new one displays immediately in Special:Preferences
 415                         unset( $this->mSkin );
 416                 }
 417                 $this->mOptions[$oname] = $val;
 418                 $this->invalidateCache();
 419         }
 420
 421         function getRights()
 422         {
 423                 $this->loadFromDatabase();
 424                 return $this->mRights;
 425         }
 426
 427         function addRight( $rname )
 428         {
 429                 $this->loadFromDatabase();
 430                 array_push( $this->mRights, $rname );
 431                 $this->invalidateCache();
 432         }
 433
 434         function isSysop()
 435         {
 436                 $this->loadFromDatabase();
 437                 if ( 0 == $this->mId ) { return false; }
 438
 439                 return in_array( "sysop", $this->mRights );
 440         }
 441
 442         function isDeveloper()
 443         {
 444                 $this->loadFromDatabase();
 445                 if ( 0 == $this->mId ) { return false; }
 446
 447                 return in_array( "developer", $this->mRights );
 448         }
 449
 450         function isBureaucrat()
 451         {
 452                 $this->loadFromDatabase();
 453                 if ( 0 == $this->mId ) { return false; }
 454
 455                 return in_array( "bureaucrat", $this->mRights );
 456         }
 457
 458         function isBot()
 459         {
 460                 $this->loadFromDatabase();
 461
 462                 # Why was this here? I need a UID=0 conversion script [TS]
 463                 # if ( 0 == $this->mId ) { return false; }
 464
 465                 return in_array( "bot", $this->mRights );
 466         }
 467
 468         function &getSkin()
 469         {
 470                 if ( ! isset( $this->mSkin ) ) {
 471                         $skinNames = Skin::getSkinNames();
 472                         $s = $this->getOption( "skin" );
 473                         if ( "" == $s ) { $s = 'standard'; }
 474
 475                         if ( !isset( $skinNames[$s] ) ) {
 476                                 $fallback = array(
 477                                         0 => "SkinStandard",
 478                                         1 => "SkinNostalgia",
 479                                         2 => "SkinCologneBlue");
 480                                 if ( isset( $skinNames['monobook'] ) ) {
 481                                         $fallback[0] = "SkinMonoBook";
 482                                 }
 483
 484                                 if(is_numeric($s) && isset( $fallback[$s]) ){
 485                                         $sn = $fallback[$s];
 486                                 } else {
 487                                         $sn = "SkinStandard";
 488                                 }
 489                         } else {
 490                                 $sn = "Skin" . $skinNames[$s];
 491                         }
 492                         $this->mSkin = new $sn;
 493                 }
 494                 return $this->mSkin;
 495         }
 496
 497         function isWatched( $title ) {
 498                 $wl = WatchedItem::fromUserTitle( $this, $title );
 499                 return $wl->isWatched();
 500         }
 501
 502         function addWatch( $title ) {
 503                 $wl = WatchedItem::fromUserTitle( $this, $title );
 504                 $wl->addWatch();
 505                 $this->invalidateCache();
 506         }
 507
 508         function removeWatch( $title ) {
 509                 $wl = WatchedItem::fromUserTitle( $this, $title );
 510                 $wl->removeWatch();
 511                 $this->invalidateCache();
 512         }
 513
 514
 515         /* private */ function encodeOptions()
 516         {
 517                 $a = array();
 518                 foreach ( $this->mOptions as $oname => $oval ) {
 519                         array_push( $a, "{$oname}={$oval}" );
 520                 }
 521                 $s = implode( "\n", $a );
 522                 return wfStrencode( $s );
 523         }
 524
 525         /* private */ function decodeOptions( $str )
 526         {
 527                 $a = explode( "\n", $str );
 528                 foreach ( $a as $s ) {
 529                         if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
 530                                 $this->mOptions[$m[1]] = $m[2];
 531                         }
 532                 }
 533         }
 534
 535         function setCookies()
 536         {
 537                 global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgDBname;
 538                 if ( 0 == $this->mId ) return;
 539                 $this->loadFromDatabase();
 540                 $exp = time() + $wgCookieExpiration;
 541
 542                 $_SESSION['wsUserID'] = $this->mId;
 543                 setcookie( "{$wgDBname}UserID", $this->mId, $exp, $wgCookiePath, $wgCookieDomain );
 544
 545                 $_SESSION['wsUserName'] = $this->mName;
 546                 setcookie( "{$wgDBname}UserName", $this->mName, $exp, $wgCookiePath, $wgCookieDomain );
 547
 548                 $_SESSION['wsUserPassword'] = $this->mPassword;
 549                 if ( 1 == $this->getOption( "rememberpassword" ) ) {
 550                         setcookie( "{$wgDBname}Password", $this->mCookiePassword, $exp, $wgCookiePath, $wgCookieDomain );
 551                 } else {
 552                         setcookie( "{$wgDBname}Password", "", time() - 3600 );
 553                 }
 554         }
 555
 556         function logout()
 557         {
 558                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 559                 $this->mId = 0;
 560
 561                 $_SESSION['wsUserID'] = 0;
 562
 563                 setcookie( "{$wgDBname}UserID", "", time() - 3600, $wgCookiePath, $wgCookieDomain );
 564                 setcookie( "{$wgDBname}Password", "", time() - 3600, $wgCookiePath, $wgCookieDomain );
 565         }
 566
 567         function saveSettings()
 568         {
 569                 global $wgMemc, $wgDBname;
 570                 if ( ! $this->mNewtalk ) {
 571                         if( $this->mId ) {
 572                                 $sql="DELETE FROM user_newtalk WHERE user_id={$this->mId}";
 573                                 wfQuery ($sql, DB_WRITE, "User::saveSettings");
 574                         } else {
 575                                 $sql="DELETE FROM user_newtalk WHERE user_ip='{$this->mName}'";
 576                                 wfQuery ($sql, DB_WRITE, "User::saveSettings");
 577                                 $wgMemc->delete( "$wgDBname:newtalk:ip:{$this->mName}" );
 578                         }
 579                 }
 580                 if ( 0 == $this->mId ) { return; }
 581
 582                 $sql = "UPDATE {$this->mUserTable} SET " .
 583                   "user_name= '" . wfStrencode( $this->mName ) . "', " .
 584                   "user_password= '" . wfStrencode( $this->mPassword ) . "', " .
 585                   "user_newpassword= '" . wfStrencode( $this->mNewpassword ) . "', " .
 586                   "user_real_name= '" . wfStrencode( $this->mRealName ) . "', " .
 587                   "user_email= '" . wfStrencode( $this->mEmail ) . "', " .
 588                   "user_options= '" . $this->encodeOptions() . "', " .
 589                   "user_rights= '" . wfStrencode( implode( ",", $this->mRights ) ) . "', " .
 590                   "user_touched= '" . wfStrencode( $this->mTouched ) .
 591                   "' WHERE user_id={$this->mId}";
 592                 wfQuery( $sql, DB_WRITE, "User::saveSettings" );
 593                 $wgMemc->delete( "$wgDBname:user:id:$this->mId" );
 594         }
 595
 596         # Checks if a user with the given name exists
 597         #
 598         function idForName()
 599         {
 600                 $gotid = 0;
 601                 $s = trim( $this->mName );
 602                 if ( 0 == strcmp( "", $s ) ) return 0;
 603
 604                 $sql = "SELECT user_id FROM {$this->mUserTable} WHERE user_name='" .
 605                   wfStrencode( $s ) . "'";
 606                 $res = wfQuery( $sql, DB_READ, "User::idForName" );
 607                 if ( 0 == wfNumRows( $res ) ) { return 0; }
 608
 609                 $s = wfFetchObject( $res );
 610                 if ( "" == $s ) return 0;
 611
 612                 $gotid = $s->user_id;
 613                 wfFreeResult( $res );
 614                 return $gotid;
 615         }
 616
 617         function addToDatabase()
 618         {
 619                 $sql = "INSERT INTO {$this->mUserTable} (user_name,user_password,user_newpassword," .
 620                   "user_email, user_real_name, user_rights, user_options) " .
 621                   " VALUES ('" . wfStrencode( $this->mName ) . "', '" .
 622                   wfStrencode( $this->mPassword ) . "', '" .
 623                   wfStrencode( $this->mNewpassword ) . "', '" .
 624                   wfStrencode( $this->mEmail ) . "', '" .
 625                   wfStrencode( $this->mRealName ) . "', '" .
 626                   wfStrencode( implode( ",", $this->mRights ) ) . "', '" .
 627                   $this->encodeOptions() . "')";
 628                 wfQuery( $sql, DB_WRITE, "User::addToDatabase" );
 629                 $this->mId = $this->idForName();
 630         }
 631
 632         function spreadBlock()
 633         {
 634                 global $wgIP;
 635                 # If the (non-anonymous) user is blocked, this function will block any IP address
 636                 # that they successfully log on from.
 637                 $fname = "User::spreadBlock";
 638
 639                 wfDebug( "User:spreadBlock()\n" );
 640                 if ( $this->mId == 0 ) {
 641                         return;
 642                 }
 643
 644                 $userblock = Block::newFromDB( "", $this->mId );
 645                 if ( !$userblock->isValid() ) {
 646                         return;
 647                 }
 648
 649                 # Check if this IP address is already blocked
 650                 $ipblock = Block::newFromDB( $wgIP );
 651                 if ( $ipblock->isValid() ) {
 652                         # Just update the timestamp
 653                         $ipblock->updateTimestamp();
 654                         return;
 655                 }
 656
 657                 # Make a new block object with the desired properties
 658                 wfDebug( "Autoblocking {$this->mName}@{$wgIP}\n" );
 659                 $ipblock->mAddress = $wgIP;
 660                 $ipblock->mUser = 0;
 661                 $ipblock->mBy = $userblock->mBy;
 662                 $ipblock->mReason = wfMsg( "autoblocker", $this->getName(), $userblock->mReason );
 663                 $ipblock->mTimestamp = wfTimestampNow();
 664                 $ipblock->mAuto = 1;
 665                 # If the user is already blocked with an expiry date, we don't
 666                 # want to pile on top of that!
 667                 if($userblock->mExpiry) {
 668                         $ipblock->mExpiry = min ( $userblock->mExpiry, Block::getAutoblockExpiry( $ipblock->mTimestamp ));
 669                 } else {
 670                         $ipblock->mExpiry = Block::getAutoblockExpiry( $ipblock->mTimestamp );
 671                 }
 672
 673                 # Insert it
 674                 $ipblock->insert();
 675
 676         }
 677
 678         function getPageRenderingHash(){
 679                 static $hash = false;
 680                 if( $hash ){
 681                         return $hash;
 682                 }
 683
 684                 // stubthreshold is only included below for completeness,
 685                 // it will always be 0 when this function is called by parsercache.
 686
 687                 $confstr =        $this->getOption( "quickbar" );
 688                 $confstr .= "!" . $this->getOption( "underline" );
 689                 $confstr .= "!" . $this->getOption( "hover" );
 690                 $confstr .= "!" . $this->getOption( "skin" );
 691                 $confstr .= "!" . $this->getOption( "math" );
 692                 $confstr .= "!" . $this->getOption( "highlightbroken" );
 693                 $confstr .= "!" . $this->getOption( "stubthreshold" );
 694                 $confstr .= "!" . $this->getOption( "editsection" );
 695                 $confstr .= "!" . $this->getOption( "editsectiononrightclick" );
 696                 $confstr .= "!" . $this->getOption( "showtoc" );
 697                 $confstr .= "!" . $this->getOption( "date" );
 698
 699                 if(strlen($confstr) > 32)
 700                         $hash = md5($confstr);
 701                 else
 702                         $hash = $confstr;
 703                 return $hash;
 704         }
 705
 706         function isAllowedToCreateAccount()
 707         {
 708                 global $wgWhitelistAccount;
 709                 $allowed = false;
 710
 711                 if (!$wgWhitelistAccount) { return 1; }; // default behaviour
 712                 foreach ($wgWhitelistAccount as $right => $ok) {
 713                         $userHasRight = (!strcmp($right, "user") || in_array($right, $this->getRights()));
 714                         $allowed |= ($ok && $userHasRight);
 715                 }
 716                 return $allowed;
 717         }
 718
 719         # Set mDataLoaded, return previous value
 720         # Use this to prevent DB access in command-line scripts or similar situations
 721         function setLoaded( $loaded )
 722         {
 723                 wfSetVar( $this->mDataLoaded, $loaded );
 724         }
 725
 726         function getUserPage() {
 727                 return Title::makeTitle( NS_USER, $this->mName );
 728         }
 729 }
 730
 731 ?>