includes/User.php

   1 <?php
   2 /**
   3  * See user.doc
   4  *
   5  * @package MediaWiki
   6  */
   7
   8 /**
   9  *
  10  */
  11 require_once( 'WatchedItem.php' );
  12
  13 /**
  14  *
  15  * @package MediaWiki
  16  */
  17 class User {
  18         /**#@+
  19          * @access private
  20          */
  21         var $mId, $mName, $mPassword, $mEmail, $mNewtalk;
  22         var $mRights, $mOptions;
  23         var $mDataLoaded, $mNewpassword;
  24         var $mSkin;
  25         var $mBlockedby, $mBlockreason;
  26         var $mTouched;
  27         var $mCookiePassword;
  28         var $mRealName;
  29         var $mHash;
  30         /**#@-*/
  31
  32         /** Construct using User:loadDefaults() */
  33         function User() {
  34                 $this->loadDefaults();
  35         }
  36
  37         /**
  38          * Static factory method
  39          * @static
  40          * @param string $name Username, validated by Title:newFromText()
  41          */
  42         function newFromName( $name ) {
  43                 $u = new User();
  44
  45                 # Clean up name according to title rules
  46
  47                 $t = Title::newFromText( $name );
  48                 if( is_null( $t ) ) {
  49                         return NULL;
  50                 } else {
  51                         $u->setName( $t->getText() );
  52                         return $u;
  53                 }
  54         }
  55
  56         /**
  57          * Get username given an id.
  58          * @param integer $id Database user id
  59          * @return string Nickname of a user
  60          * @static
  61          */
  62         function whoIs( $id )   {
  63                 $dbr =& wfGetDB( DB_SLAVE );
  64                 return $dbr->selectField( 'user', 'user_name', array( 'user_id' => $id ) );
  65         }
  66
  67         /**
  68          * Get real username given an id.
  69          * @param integer $id Database user id
  70          * @return string Realname of a user
  71          * @static
  72          */
  73         function whoIsReal( $id )       {
  74                 $dbr =& wfGetDB( DB_SLAVE );
  75                 return $dbr->selectField( 'user', 'user_real_name', array( 'user_id' => $id ) );
  76         }
  77
  78         /**
  79          * Get database id given a user name
  80          * @param string $name Nickname of a user
  81          * @return integer|null Database user id (null: if non existent
  82          * @static
  83          */
  84         function idFromName( $name ) {
  85                 $fname = "User::idFromName";
  86
  87                 $nt = Title::newFromText( $name );
  88                 if( is_null( $nt ) ) {
  89                         # Illegal name
  90                         return null;
  91                 }
  92                 $dbr =& wfGetDB( DB_SLAVE );
  93                 $s = $dbr->selectRow( 'user', array( 'user_id' ), array( 'user_name' => $nt->getText() ), $fname );
  94
  95                 if ( $s === false ) {
  96                         return 0;
  97                 } else {
  98                         return $s->user_id;
  99                 }
 100         }
 101
 102         /**
 103          * does the string match an anonymous user IP address?
 104          * @param string $name Nickname of a user
 105          * @static
 106          */
 107         function isIP( $name ) {
 108                 return preg_match("/^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/",$name);
 109         }
 110
 111         /**
 112          * probably return a random password
 113          * @return string probably a random password
 114          * @static
 115          * @todo Check what is doing really [AV]
 116          */
 117         function randomPassword() {
 118                 $pwchars = 'ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz';
 119                 $l = strlen( $pwchars ) - 1;
 120
 121                 $np = $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
 122                   $pwchars{mt_rand( 0, $l )} . chr( mt_rand(48, 57) ) .
 123                   $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
 124                   $pwchars{mt_rand( 0, $l )};
 125                 return $np;
 126         }
 127
 128         /**
 129          * Set properties to default
 130          * Used at construction. It will load per language default settings only
 131          * if we have an available language object.
 132          */
 133         function loadDefaults() {
 134                 global $wgLang, $wgIP;
 135                 global $wgNamespacesToBeSearchedDefault;
 136
 137                 $this->mId = $this->mNewtalk = 0;
 138                 $this->mName = $wgIP;
 139                 $this->mRealName = $this->mEmail = '';
 140                 $this->mPassword = $this->mNewpassword = '';
 141                 $this->mRights = array();
 142                 // Getting user defaults only if we have an available language
 143                 if(isset($wgLang)) { $this->loadDefaultFromLanguage(); }
 144
 145                 foreach ($wgNamespacesToBeSearchedDefault as $nsnum => $val) {
 146                         $this->mOptions['searchNs'.$nsnum] = $val;
 147                 }
 148                 unset( $this->mSkin );
 149                 $this->mDataLoaded = false;
 150                 $this->mBlockedby = -1; # Unset
 151                 $this->mTouched = '0'; # Allow any pages to be cached
 152                 $this->cookiePassword = '';
 153                 $this->mHash = false;
 154         }
 155
 156         /**
 157          * Used to load user options from a language.
 158          * This is not in loadDefault() cause we sometime create user before having
 159          * a language object.
 160          */
 161         function loadDefaultFromLanguage(){
 162                 global $wgLang;
 163                 $defOpt = $wgLang->getDefaultUserOptions() ;
 164                 foreach ( $defOpt as $oname => $val ) {
 165                         $this->mOptions[$oname] = $val;
 166                 }
 167         /* so that new user will have a default
 168            language variant set using info from the http header
 169         */
 170         $this->setOption('variant', $wgLang->getPreferredVariant());
 171         }
 172
 173         /**
 174          * Get blocking information
 175          * @access private
 176          */
 177         function getBlockedStatus() {
 178                 global $wgIP, $wgBlockCache, $wgProxyList;
 179
 180                 if ( -1 != $this->mBlockedby ) { return; }
 181
 182                 $this->mBlockedby = 0;
 183
 184                 # User blocking
 185                 if ( $this->mId ) {
 186                         $block = new Block();
 187                         if ( $block->load( $wgIP , $this->mId ) ) {
 188                                 $this->mBlockedby = $block->mBy;
 189                                 $this->mBlockreason = $block->mReason;
 190                         }
 191                 }
 192
 193                 # IP/range blocking
 194                 if ( !$this->mBlockedby ) {
 195                         $block = $wgBlockCache->get( $wgIP );
 196                         if ( $block !== false ) {
 197                                 $this->mBlockedby = $block->mBy;
 198                                 $this->mBlockreason = $block->mReason;
 199                         }
 200                 }
 201
 202                 # Proxy blocking
 203                 if ( !$this->mBlockedby ) {
 204                         if ( array_key_exists( $wgIP, $wgProxyList ) ) {
 205                                 $this->mBlockreason = wfMsg( 'proxyblockreason' );
 206                                 $this->mBlockedby = "Proxy blocker";
 207                         }
 208                 }
 209         }
 210
 211         /**
 212          * Check if user is blocked
 213          * @return bool True if blocked, false otherwise
 214          */
 215         function isBlocked() {
 216                 $this->getBlockedStatus();
 217                 if ( 0 === $this->mBlockedby ) { return false; }
 218                 return true;
 219         }
 220
 221         /**
 222          * Get name of blocker
 223          * @return string name of blocker
 224          */
 225         function blockedBy() {
 226                 $this->getBlockedStatus();
 227                 return $this->mBlockedby;
 228         }
 229
 230         /**
 231          * Get blocking reason
 232          * @return string Blocking reason
 233          */
 234         function blockedFor() {
 235                 $this->getBlockedStatus();
 236                 return $this->mBlockreason;
 237         }
 238
 239         /**
 240          * Initialise php session
 241          */
 242         function SetupSession() {
 243                 global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain;
 244                 if( $wgSessionsInMemcached ) {
 245                         require_once( 'MemcachedSessions.php' );
 246                 } elseif( 'files' != ini_get( 'session.save_handler' ) ) {
 247                         # If it's left on 'user' or another setting from another
 248                         # application, it will end up failing. Try to recover.
 249                         ini_set ( 'session.save_handler', 'files' );
 250                 }
 251                 session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain );
 252                 session_cache_limiter( 'private, must-revalidate' );
 253                 @session_start();
 254         }
 255
 256         /**
 257          * Read datas from session
 258          * @static
 259          */
 260         function loadFromSession() {
 261                 global $wgMemc, $wgDBname;
 262
 263                 if ( isset( $_SESSION['wsUserID'] ) ) {
 264                         if ( 0 != $_SESSION['wsUserID'] ) {
 265                                 $sId = $_SESSION['wsUserID'];
 266                         } else {
 267                                 return new User();
 268                         }
 269                 } else if ( isset( $_COOKIE["{$wgDBname}UserID"] ) ) {
 270                         $sId = IntVal( $_COOKIE["{$wgDBname}UserID"] );
 271                         $_SESSION['wsUserID'] = $sId;
 272                 } else {
 273                         return new User();
 274                 }
 275                 if ( isset( $_SESSION['wsUserName'] ) ) {
 276                         $sName = $_SESSION['wsUserName'];
 277                 } else if ( isset( $_COOKIE["{$wgDBname}UserName"] ) ) {
 278                         $sName = $_COOKIE["{$wgDBname}UserName"];
 279                         $_SESSION['wsUserName'] = $sName;
 280                 } else {
 281                         return new User();
 282                 }
 283
 284                 $passwordCorrect = FALSE;
 285                 $user = $wgMemc->get( $key = "$wgDBname:user:id:$sId" );
 286                 if($makenew = !$user) {
 287                         wfDebug( "User::loadFromSession() unable to load from memcached\n" );
 288                         $user = new User();
 289                         $user->mId = $sId;
 290                         $user->loadFromDatabase();
 291                 } else {
 292                         wfDebug( "User::loadFromSession() got from cache!\n" );
 293                 }
 294
 295                 if ( isset( $_SESSION['wsUserPassword'] ) ) {
 296                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 297                 } else if ( isset( $_COOKIE["{$wgDBname}Password"] ) ) {
 298                         $user->mCookiePassword = $_COOKIE["{$wgDBname}Password"];
 299                         $_SESSION['wsUserPassword'] = $user->addSalt( $user->mCookiePassword );
 300                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 301                 } else {
 302                         return new User(); # Can't log in from session
 303                 }
 304
 305                 if ( ( $sName == $user->mName ) && $passwordCorrect ) {
 306                         if($makenew) {
 307                                 if($wgMemc->set( $key, $user ))
 308                                         wfDebug( "User::loadFromSession() successfully saved user\n" );
 309                                 else
 310                                         wfDebug( "User::loadFromSession() unable to save to memcached\n" );
 311                         }
 312                         $user->spreadBlock();
 313                         return $user;
 314                 }
 315                 return new User(); # Can't log in from session
 316         }
 317
 318         /**
 319          * Load a user from the database
 320          */
 321         function loadFromDatabase() {
 322                 global $wgCommandLineMode;
 323                 $fname = "User::loadFromDatabase";
 324                 if ( $this->mDataLoaded || $wgCommandLineMode ) {
 325                         return;
 326                 }
 327
 328                 # Paranoia
 329                 $this->mId = IntVal( $this->mId );
 330
 331                 # check in separate table if there are changes to the talk page
 332                 $this->mNewtalk=0; # reset talk page status
 333                 $dbr =& wfGetDB( DB_SLAVE );
 334                 if($this->mId) {
 335                         $res = $dbr->select( 'user_newtalk', 1, array( 'user_id' => $this->mId ), $fname );
 336
 337                         if ( $dbr->numRows($res)>0 ) {
 338                                 $this->mNewtalk= 1;
 339                         }
 340                         $dbr->freeResult( $res );
 341                 } else {
 342                         global $wgDBname, $wgMemc;
 343                         $key = "$wgDBname:newtalk:ip:{$this->mName}";
 344                         $newtalk = $wgMemc->get( $key );
 345                         if( ! is_integer( $newtalk ) ){
 346                                 $res = $dbr->select( 'user_newtalk', 1, array( 'user_ip' => $this->mName ), $fname );
 347
 348                                 $this->mNewtalk = $dbr->numRows( $res ) > 0 ? 1 : 0;
 349                                 $dbr->freeResult( $res );
 350
 351                                 $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
 352                         } else {
 353                                 $this->mNewtalk = $newtalk ? 1 : 0;
 354                         }
 355                 }
 356                 if(!$this->mId) {
 357                         $this->mDataLoaded = true;
 358                         return;
 359                 } # the following stuff is for non-anonymous users only
 360
 361                 $s = $dbr->selectRow( 'user', array( 'user_name','user_password','user_newpassword','user_email',
 362                   'user_real_name','user_options','user_touched' ),
 363                   array( 'user_id' => $this->mId ), $fname );
 364
 365                 if ( $s !== false ) {
 366                         $this->mName = $s->user_name;
 367                         $this->mEmail = $s->user_email;
 368                         $this->mRealName = $s->user_real_name;
 369                         $this->mPassword = $s->user_password;
 370                         $this->mNewpassword = $s->user_newpassword;
 371                         $this->decodeOptions( $s->user_options );
 372                         $this->mTouched = wfTimestamp(TS_MW,$s->user_touched);
 373                         $this->mRights = explode( ",", strtolower(
 374                                 $dbr->selectField( 'user_rights', 'user_rights', array( 'user_id' => $this->mId ) )
 375                         ) );
 376                 }
 377
 378                 $this->mDataLoaded = true;
 379         }
 380
 381         function getID() { return $this->mId; }
 382         function setID( $v ) {
 383                 $this->mId = $v;
 384                 $this->mDataLoaded = false;
 385         }
 386
 387         function getName() {
 388                 $this->loadFromDatabase();
 389                 return $this->mName;
 390         }
 391
 392         function setName( $str ) {
 393                 $this->loadFromDatabase();
 394                 $this->mName = $str;
 395         }
 396
 397         function getNewtalk() {
 398                 $this->loadFromDatabase();
 399                 return ( 0 != $this->mNewtalk );
 400         }
 401
 402         function setNewtalk( $val ) {
 403                 $this->loadFromDatabase();
 404                 $this->mNewtalk = $val;
 405                 $this->invalidateCache();
 406         }
 407
 408         function invalidateCache() {
 409                 $this->loadFromDatabase();
 410                 $this->mTouched = wfTimestampNow();
 411                 # Don't forget to save the options after this or
 412                 # it won't take effect!
 413         }
 414
 415         function validateCache( $timestamp ) {
 416                 $this->loadFromDatabase();
 417                 return ($timestamp >= $this->mTouched);
 418         }
 419
 420         /**
 421          * Salt a password.
 422          * Will only be salted if $wgPasswordSalt is true
 423          * @param string Password.
 424          * @return string Salted password or clear password.
 425          */
 426         function addSalt( $p ) {
 427                 global $wgPasswordSalt;
 428                 if($wgPasswordSalt)
 429                         return md5( "{$this->mId}-{$p}" );
 430                 else
 431                         return $p;
 432         }
 433
 434         /**
 435          * Encrypt a password.
 436          * It can eventuall salt a password @see User::addSalt()
 437          * @param string $p clear Password.
 438          * @param string Encrypted password.
 439          */
 440         function encryptPassword( $p ) {
 441                 return $this->addSalt( md5( $p ) );
 442         }
 443
 444         function setPassword( $str ) {
 445                 $this->loadFromDatabase();
 446                 $this->setCookiePassword( $str );
 447                 $this->mPassword = $this->encryptPassword( $str );
 448                 $this->mNewpassword = '';
 449         }
 450
 451         function setCookiePassword( $str ) {
 452                 $this->loadFromDatabase();
 453                 $this->mCookiePassword = md5( $str );
 454         }
 455
 456         function setNewpassword( $str ) {
 457                 $this->loadFromDatabase();
 458                 $this->mNewpassword = $this->encryptPassword( $str );
 459         }
 460
 461         function getEmail() {
 462                 $this->loadFromDatabase();
 463                 return $this->mEmail;
 464         }
 465
 466         function setEmail( $str ) {
 467                 $this->loadFromDatabase();
 468                 $this->mEmail = $str;
 469         }
 470
 471         function getRealName() {
 472                 $this->loadFromDatabase();
 473                 return $this->mRealName;
 474         }
 475
 476         function setRealName( $str ) {
 477                 $this->loadFromDatabase();
 478                 $this->mRealName = $str;
 479         }
 480
 481         function getOption( $oname ) {
 482                 $this->loadFromDatabase();
 483                 if ( array_key_exists( $oname, $this->mOptions ) ) {
 484                         return $this->mOptions[$oname];
 485                 } else {
 486                         return '';
 487                 }
 488         }
 489
 490         function setOption( $oname, $val ) {
 491                 $this->loadFromDatabase();
 492                 if ( $oname == 'skin' ) {
 493                         # Clear cached skin, so the new one displays immediately in Special:Preferences
 494                         unset( $this->mSkin );
 495                 }
 496                 $this->mOptions[$oname] = $val;
 497                 $this->invalidateCache();
 498         }
 499
 500         function getRights() {
 501                 $this->loadFromDatabase();
 502                 return $this->mRights;
 503         }
 504
 505         function addRight( $rname )     {
 506                 $this->loadFromDatabase();
 507                 array_push( $this->mRights, $rname );
 508                 $this->invalidateCache();
 509         }
 510
 511         function isSysop() {
 512                 $this->loadFromDatabase();
 513                 if ( 0 == $this->mId ) { return false; }
 514
 515                 return in_array( 'sysop', $this->mRights );
 516         }
 517
 518         function isDeveloper() {
 519                 $this->loadFromDatabase();
 520                 if ( 0 == $this->mId ) { return false; }
 521
 522                 return in_array( 'developer', $this->mRights );
 523         }
 524
 525         function isBureaucrat() {
 526                 $this->loadFromDatabase();
 527                 if ( 0 == $this->mId ) { return false; }
 528
 529                 return in_array( 'bureaucrat', $this->mRights );
 530         }
 531
 532         /**
 533          * Whether the user is a bot
 534          */
 535         function isBot() {
 536                 $this->loadFromDatabase();
 537
 538                 # Why was this here? I need a UID=0 conversion script [TS]
 539                 # if ( 0 == $this->mId ) { return false; }
 540
 541                 return in_array( 'bot', $this->mRights );
 542         }
 543
 544         /**
 545          * Load a skin if it doesn't exist or return it
 546          * @todo FIXME : need to check the old failback system [AV]
 547          */
 548         function &getSkin() {
 549                 global $IP, $wgUsePHPTal;
 550                 if ( ! isset( $this->mSkin ) ) {
 551                         # get all skin names available
 552                         $skinNames = Skin::getSkinNames();
 553                         # get the user skin
 554                         $userSkin = $this->getOption( 'skin' );
 555                         if ( $userSkin == '' ) { $userSkin = 'standard'; }
 556
 557                         if ( !isset( $skinNames[$userSkin] ) ) {
 558                                 # in case the user skin could not be found find a replacement
 559                                 $fallback = array(
 560                                         0 => 'Standard',
 561                                         1 => 'Nostalgia',
 562                                         2 => 'CologneBlue');
 563                                 # if phptal is enabled we should have monobook skin that
 564                                 # superseed the good old SkinStandard.
 565                                 if ( isset( $skinNames['monobook'] ) ) {
 566                                         $fallback[0] = 'MonoBook';
 567                                 }
 568
 569                                 if(is_numeric($userSkin) && isset( $fallback[$userSkin]) ){
 570                                         $sn = $fallback[$userSkin];
 571                                 } else {
 572                                         $sn = 'Standard';
 573                                 }
 574                         } else {
 575                                 # The user skin is available
 576                                 $sn = $skinNames[$userSkin];
 577                         }
 578
 579                         # Grab the skin class and initialise it. Each skin checks for PHPTal
 580                         # and will not load if it's not enabled.
 581                         require_once( $IP.'/skins/'.$sn.'.php' );
 582
 583                         # Check if we got if not failback to default skin
 584                         $sn = 'Skin'.$sn;
 585                         if(!class_exists($sn)) {
 586                                 #FIXME : should we print an error message instead of loading
 587                                 # standard skin ?
 588                                 $sn = 'SkinStandard';
 589                                 require_once( $IP.'/skins/Standard.php' );
 590                         }
 591                         $this->mSkin = new $sn;
 592                 }
 593                 return $this->mSkin;
 594         }
 595
 596         /**#@+
 597          * @param string $title Article title to look at
 598          */
 599
 600         /**
 601          * Check watched status of an article
 602          * @return bool True if article is watched
 603          */
 604         function isWatched( $title ) {
 605                 $wl = WatchedItem::fromUserTitle( $this, $title );
 606                 return $wl->isWatched();
 607         }
 608
 609         /**
 610          * Watch an article
 611          */
 612         function addWatch( $title ) {
 613                 $wl = WatchedItem::fromUserTitle( $this, $title );
 614                 $wl->addWatch();
 615                 $this->invalidateCache();
 616         }
 617
 618         /**
 619          * Stop watching an article
 620          */
 621         function removeWatch( $title ) {
 622                 $wl = WatchedItem::fromUserTitle( $this, $title );
 623                 $wl->removeWatch();
 624                 $this->invalidateCache();
 625         }
 626         /**#@-*/
 627
 628         /**
 629          * @access private
 630          * @return string Encoding options
 631          */
 632         function encodeOptions() {
 633                 $a = array();
 634                 foreach ( $this->mOptions as $oname => $oval ) {
 635                         array_push( $a, $oname.'='.$oval );
 636                 }
 637                 $s = implode( "\n", $a );
 638                 return $s;
 639         }
 640
 641         /**
 642          * @access private
 643          */
 644         function decodeOptions( $str ) {
 645                 $a = explode( "\n", $str );
 646                 foreach ( $a as $s ) {
 647                         if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
 648                                 $this->mOptions[$m[1]] = $m[2];
 649                         }
 650                 }
 651         }
 652
 653         function setCookies() {
 654                 global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgDBname;
 655                 if ( 0 == $this->mId ) return;
 656                 $this->loadFromDatabase();
 657                 $exp = time() + $wgCookieExpiration;
 658
 659                 $_SESSION['wsUserID'] = $this->mId;
 660                 setcookie( $wgDBname.'UserID', $this->mId, $exp, $wgCookiePath, $wgCookieDomain );
 661
 662                 $_SESSION['wsUserName'] = $this->mName;
 663                 setcookie( $wgDBname.'UserName', $this->mName, $exp, $wgCookiePath, $wgCookieDomain );
 664
 665                 $_SESSION['wsUserPassword'] = $this->mPassword;
 666                 if ( 1 == $this->getOption( 'rememberpassword' ) ) {
 667                         setcookie( $wgDBname.'Password', $this->mCookiePassword, $exp, $wgCookiePath, $wgCookieDomain );
 668                 } else {
 669                         setcookie( $wgDBname.'Password', '', time() - 3600 );
 670                 }
 671         }
 672
 673         /**
 674          * Logout user
 675          * It will clean the session cookie
 676          */
 677         function logout() {
 678                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 679                 $this->mId = 0;
 680
 681                 $_SESSION['wsUserID'] = 0;
 682
 683                 setcookie( $wgDBname.'UserID', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 684                 setcookie( $wgDBname.'Password', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 685         }
 686
 687         /**
 688          * Save object settings into database
 689          */
 690         function saveSettings() {
 691                 global $wgMemc, $wgDBname;
 692                 $fname = 'User::saveSettings';
 693
 694                 $dbw =& wfGetDB( DB_MASTER );
 695                 if ( ! $this->mNewtalk ) {
 696                         # Delete user_newtalk row
 697                         if( $this->mId ) {
 698                                 $dbw->delete( 'user_newtalk', array( 'user_id' => $this->mId ), $fname );
 699                         } else {
 700                                 $dbw->delete( 'user_newtalk', array( 'user_ip' => $this->mName ), $fname );
 701                                 $wgMemc->delete( "$wgDBname:newtalk:ip:{$this->mName}" );
 702                         }
 703                 }
 704                 if ( 0 == $this->mId ) { return; }
 705
 706                 $dbw->update( 'user',
 707                         array( /* SET */
 708                                 'user_name' => $this->mName,
 709                                 'user_password' => $this->mPassword,
 710                                 'user_newpassword' => $this->mNewpassword,
 711                                 'user_real_name' => $this->mRealName,
 712                                 'user_email' => $this->mEmail,
 713                                 'user_options' => $this->encodeOptions(),
 714                                 'user_touched' => $dbw->timestamp($this->mTouched)
 715                         ), array( /* WHERE */
 716                                 'user_id' => $this->mId
 717                         ), $fname
 718                 );
 719                 $dbw->set( 'user_rights', 'user_rights', implode( ",", $this->mRights ),
 720                         'user_id='. $this->mId, $fname );
 721                 $wgMemc->delete( "$wgDBname:user:id:$this->mId" );
 722         }
 723
 724         /**
 725          * Checks if a user with the given name exists, returns the ID
 726          */
 727         function idForName() {
 728                 $fname = 'User::idForName';
 729
 730                 $gotid = 0;
 731                 $s = trim( $this->mName );
 732                 if ( 0 == strcmp( '', $s ) ) return 0;
 733
 734                 $dbr =& wfGetDB( DB_SLAVE );
 735                 $id = $dbr->selectField( 'user', 'user_id', array( 'user_name' => $s ), $fname );
 736                 if ( $id === false ) {
 737                         $id = 0;
 738                 }
 739                 return $id;
 740         }
 741
 742         /**
 743          * Add user object to the database
 744          */
 745         function addToDatabase() {
 746                 $fname = 'User::addToDatabase';
 747                 $dbw =& wfGetDB( DB_MASTER );
 748                 $seqVal = $dbw->nextSequenceValue( 'user_user_id_seq' );
 749                 $dbw->insert( 'user',
 750                         array(
 751                                 'user_id' => $seqVal,
 752                                 'user_name' => $this->mName,
 753                                 'user_password' => $this->mPassword,
 754                                 'user_newpassword' => $this->mNewpassword,
 755                                 'user_email' => $this->mEmail,
 756                                 'user_real_name' => $this->mRealName,
 757                                 'user_options' => $this->encodeOptions()
 758                         ), $fname
 759                 );
 760                 $this->mId = $dbw->insertId();
 761                 $dbw->insert( 'user_rights',
 762                         array(
 763                                 'user_id' => $this->mId,
 764                                 'user_rights' => implode( ',', $this->mRights )
 765                         ), $fname
 766                 );
 767
 768         }
 769
 770         function spreadBlock() {
 771                 global $wgIP;
 772                 # If the (non-anonymous) user is blocked, this function will block any IP address
 773                 # that they successfully log on from.
 774                 $fname = 'User::spreadBlock';
 775
 776                 wfDebug( "User:spreadBlock()\n" );
 777                 if ( $this->mId == 0 ) {
 778                         return;
 779                 }
 780
 781                 $userblock = Block::newFromDB( '', $this->mId );
 782                 if ( !$userblock->isValid() ) {
 783                         return;
 784                 }
 785
 786                 # Check if this IP address is already blocked
 787                 $ipblock = Block::newFromDB( $wgIP );
 788                 if ( $ipblock->isValid() ) {
 789                         # Just update the timestamp
 790                         $ipblock->updateTimestamp();
 791                         return;
 792                 }
 793
 794                 # Make a new block object with the desired properties
 795                 wfDebug( "Autoblocking {$this->mName}@{$wgIP}\n" );
 796                 $ipblock->mAddress = $wgIP;
 797                 $ipblock->mUser = 0;
 798                 $ipblock->mBy = $userblock->mBy;
 799                 $ipblock->mReason = wfMsg( 'autoblocker', $this->getName(), $userblock->mReason );
 800                 $ipblock->mTimestamp = wfTimestampNow();
 801                 $ipblock->mAuto = 1;
 802                 # If the user is already blocked with an expiry date, we don't
 803                 # want to pile on top of that!
 804                 if($userblock->mExpiry) {
 805                         $ipblock->mExpiry = min ( $userblock->mExpiry, Block::getAutoblockExpiry( $ipblock->mTimestamp ));
 806                 } else {
 807                         $ipblock->mExpiry = Block::getAutoblockExpiry( $ipblock->mTimestamp );
 808                 }
 809
 810                 # Insert it
 811                 $ipblock->insert();
 812
 813         }
 814
 815         function getPageRenderingHash() {
 816                 if( $this->mHash ){
 817                         return $this->mHash;
 818                 }
 819
 820                 // stubthreshold is only included below for completeness,
 821                 // it will always be 0 when this function is called by parsercache.
 822
 823                 $confstr =        $this->getOption( 'math' );
 824                 $confstr .= '!' . $this->getOption( 'highlightbroken' );
 825                 $confstr .= '!' . $this->getOption( 'stubthreshold' );
 826                 $confstr .= '!' . $this->getOption( 'editsection' );
 827                 $confstr .= '!' . $this->getOption( 'editsectiononrightclick' );
 828                 $confstr .= '!' . $this->getOption( 'showtoc' );
 829                 $confstr .= '!' . $this->getOption( 'date' );
 830                 $confstr .= '!' . $this->getOption( 'numberheadings' );
 831
 832                 $this->mHash = $confstr;
 833                 return $confstr ;
 834         }
 835
 836         function isAllowedToCreateAccount() {
 837                 global $wgWhitelistAccount;
 838                 $allowed = false;
 839
 840                 if (!$wgWhitelistAccount) { return 1; }; // default behaviour
 841                 foreach ($wgWhitelistAccount as $right => $ok) {
 842                         $userHasRight = (!strcmp($right, 'user') || in_array($right, $this->getRights()));
 843                         $allowed |= ($ok && $userHasRight);
 844                 }
 845                 return $allowed;
 846         }
 847
 848         /**
 849          * Set mDataLoaded, return previous value
 850          * Use this to prevent DB access in command-line scripts or similar situations
 851          */
 852         function setLoaded( $loaded ) {
 853                 return wfSetVar( $this->mDataLoaded, $loaded );
 854         }
 855
 856         function getUserPage() {
 857                 return Title::makeTitle( NS_USER, $this->mName );
 858         }
 859
 860         /**
 861          * @static
 862          */
 863         function getMaxID() {
 864                 $dbr =& wfGetDB( DB_SLAVE );
 865                 return $dbr->selectField( 'user', 'max(user_id)', false );
 866         }
 867
 868         /**
 869          * Determine whether the user is a newbie. Newbies are either
 870          * anonymous IPs, or the 1% most recently created accounts.
 871          * Bots and sysops are excluded.
 872          * @return bool True if it is a newbie.
 873          */
 874         function isNewbie() {
 875                 return $this->mId > User::getMaxID() * 0.99 && !$this->isSysop() && !$this->isBot() || $this->getID() == 0;
 876         }
 877
 878         /**
 879          * Check to see if the given clear-text password is one of the accepted passwords
 880          * @param string $password User password.
 881          * @return bool True if the given password is correct otherwise False.
 882          */
 883         function checkPassword( $password ) {
 884                 $this->loadFromDatabase();
 885                 $ep = $this->encryptPassword( $password );
 886                 if ( 0 == strcmp( $ep, $this->mPassword ) ) {
 887                         return true;
 888                 } elseif ( 0 == strcmp( $ep, $this->mNewpassword ) ) {
 889                         return true;
 890                 } elseif ( function_exists( 'iconv' ) ) {
 891                         # Some wikis were converted from ISO 8859-1 to UTF-8, the passwords can't be converted
 892                         # Check for this with iconv
 893 /*                      $cp1252hash = $this->encryptPassword( iconv( 'UTF-8', 'WINDOWS-1252', $password ) );
 894                         if ( 0 == strcmp( $cp1252hash, $this->mPassword ) ) {
 895                                 return true;
 896                         }*/
 897                 }
 898                 return false;
 899         }
 900 }
 901
 902 ?>