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 $wgContLang;
 163                 $defOpt = $wgContLang->getDefaultUserOptions() ;
 164                 foreach ( $defOpt as $oname => $val ) {
 165                         $this->mOptions[$oname] = $val;
 166                 }
 167         /*
 168            default language setting
 169         */
 170         $this->setOption('variant', $wgContLang->getPreferredVariant());
 171         $this->setOption('language', $wgContLang->getPreferredVariant());
 172         }
 173
 174         /**
 175          * Get blocking information
 176          * @access private
 177          */
 178         function getBlockedStatus() {
 179                 global $wgIP, $wgBlockCache, $wgProxyList;
 180
 181                 if ( -1 != $this->mBlockedby ) { return; }
 182
 183                 $this->mBlockedby = 0;
 184
 185                 # User blocking
 186                 if ( $this->mId ) {
 187                         $block = new Block();
 188                         if ( $block->load( $wgIP , $this->mId ) ) {
 189                                 $this->mBlockedby = $block->mBy;
 190                                 $this->mBlockreason = $block->mReason;
 191                         }
 192                 }
 193
 194                 # IP/range blocking
 195                 if ( !$this->mBlockedby ) {
 196                         $block = $wgBlockCache->get( $wgIP );
 197                         if ( $block !== false ) {
 198                                 $this->mBlockedby = $block->mBy;
 199                                 $this->mBlockreason = $block->mReason;
 200                         }
 201                 }
 202
 203                 # Proxy blocking
 204                 if ( !$this->mBlockedby ) {
 205                         if ( array_key_exists( $wgIP, $wgProxyList ) ) {
 206                                 $this->mBlockreason = wfMsg( 'proxyblockreason' );
 207                                 $this->mBlockedby = "Proxy blocker";
 208                         }
 209                 }
 210         }
 211
 212         /**
 213          * Check if user is blocked
 214          * @return bool True if blocked, false otherwise
 215          */
 216         function isBlocked() {
 217                 $this->getBlockedStatus();
 218                 if ( 0 === $this->mBlockedby ) { return false; }
 219                 return true;
 220         }
 221
 222         /**
 223          * Get name of blocker
 224          * @return string name of blocker
 225          */
 226         function blockedBy() {
 227                 $this->getBlockedStatus();
 228                 return $this->mBlockedby;
 229         }
 230
 231         /**
 232          * Get blocking reason
 233          * @return string Blocking reason
 234          */
 235         function blockedFor() {
 236                 $this->getBlockedStatus();
 237                 return $this->mBlockreason;
 238         }
 239
 240         /**
 241          * Initialise php session
 242          */
 243         function SetupSession() {
 244                 global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain;
 245                 if( $wgSessionsInMemcached ) {
 246                         require_once( 'MemcachedSessions.php' );
 247                 } elseif( 'files' != ini_get( 'session.save_handler' ) ) {
 248                         # If it's left on 'user' or another setting from another
 249                         # application, it will end up failing. Try to recover.
 250                         ini_set ( 'session.save_handler', 'files' );
 251                 }
 252                 session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain );
 253                 session_cache_limiter( 'private, must-revalidate' );
 254                 @session_start();
 255         }
 256
 257         /**
 258          * Read datas from session
 259          * @static
 260          */
 261         function loadFromSession() {
 262                 global $wgMemc, $wgDBname;
 263
 264                 if ( isset( $_SESSION['wsUserID'] ) ) {
 265                         if ( 0 != $_SESSION['wsUserID'] ) {
 266                                 $sId = $_SESSION['wsUserID'];
 267                         } else {
 268                                 return new User();
 269                         }
 270                 } else if ( isset( $_COOKIE["{$wgDBname}UserID"] ) ) {
 271                         $sId = IntVal( $_COOKIE["{$wgDBname}UserID"] );
 272                         $_SESSION['wsUserID'] = $sId;
 273                 } else {
 274                         return new User();
 275                 }
 276                 if ( isset( $_SESSION['wsUserName'] ) ) {
 277                         $sName = $_SESSION['wsUserName'];
 278                 } else if ( isset( $_COOKIE["{$wgDBname}UserName"] ) ) {
 279                         $sName = $_COOKIE["{$wgDBname}UserName"];
 280                         $_SESSION['wsUserName'] = $sName;
 281                 } else {
 282                         return new User();
 283                 }
 284
 285                 $passwordCorrect = FALSE;
 286                 $user = $wgMemc->get( $key = "$wgDBname:user:id:$sId" );
 287                 if($makenew = !$user) {
 288                         wfDebug( "User::loadFromSession() unable to load from memcached\n" );
 289                         $user = new User();
 290                         $user->mId = $sId;
 291                         $user->loadFromDatabase();
 292                 } else {
 293                         wfDebug( "User::loadFromSession() got from cache!\n" );
 294                 }
 295
 296                 if ( isset( $_SESSION['wsUserPassword'] ) ) {
 297                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 298                 } else if ( isset( $_COOKIE["{$wgDBname}Password"] ) ) {
 299                         $user->mCookiePassword = $_COOKIE["{$wgDBname}Password"];
 300                         $_SESSION['wsUserPassword'] = $user->addSalt( $user->mCookiePassword );
 301                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 302                 } else {
 303                         return new User(); # Can't log in from session
 304                 }
 305
 306                 if ( ( $sName == $user->mName ) && $passwordCorrect ) {
 307                         if($makenew) {
 308                                 if($wgMemc->set( $key, $user ))
 309                                         wfDebug( "User::loadFromSession() successfully saved user\n" );
 310                                 else
 311                                         wfDebug( "User::loadFromSession() unable to save to memcached\n" );
 312                         }
 313                         $user->spreadBlock();
 314                         return $user;
 315                 }
 316                 return new User(); # Can't log in from session
 317         }
 318
 319         /**
 320          * Load a user from the database
 321          */
 322         function loadFromDatabase() {
 323                 global $wgCommandLineMode;
 324                 $fname = "User::loadFromDatabase";
 325                 if ( $this->mDataLoaded || $wgCommandLineMode ) {
 326                         return;
 327                 }
 328
 329                 # Paranoia
 330                 $this->mId = IntVal( $this->mId );
 331
 332                 # check in separate table if there are changes to the talk page
 333                 $this->mNewtalk=0; # reset talk page status
 334                 $dbr =& wfGetDB( DB_SLAVE );
 335                 if($this->mId) {
 336                         $res = $dbr->select( 'user_newtalk', 1, array( 'user_id' => $this->mId ), $fname );
 337
 338                         if ( $dbr->numRows($res)>0 ) {
 339                                 $this->mNewtalk= 1;
 340                         }
 341                         $dbr->freeResult( $res );
 342                 } else {
 343                         global $wgDBname, $wgMemc;
 344                         $key = "$wgDBname:newtalk:ip:{$this->mName}";
 345                         $newtalk = $wgMemc->get( $key );
 346                         if( ! is_integer( $newtalk ) ){
 347                                 $res = $dbr->select( 'user_newtalk', 1, array( 'user_ip' => $this->mName ), $fname );
 348
 349                                 $this->mNewtalk = $dbr->numRows( $res ) > 0 ? 1 : 0;
 350                                 $dbr->freeResult( $res );
 351
 352                                 $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
 353                         } else {
 354                                 $this->mNewtalk = $newtalk ? 1 : 0;
 355                         }
 356                 }
 357                 if(!$this->mId) {
 358                         $this->mDataLoaded = true;
 359                         return;
 360                 } # the following stuff is for non-anonymous users only
 361
 362                 $s = $dbr->selectRow( 'user', array( 'user_name','user_password','user_newpassword','user_email',
 363                   'user_real_name','user_options','user_touched' ),
 364                   array( 'user_id' => $this->mId ), $fname );
 365
 366                 if ( $s !== false ) {
 367                         $this->mName = $s->user_name;
 368                         $this->mEmail = $s->user_email;
 369                         $this->mRealName = $s->user_real_name;
 370                         $this->mPassword = $s->user_password;
 371                         $this->mNewpassword = $s->user_newpassword;
 372                         $this->decodeOptions( $s->user_options );
 373                         $this->mTouched = wfTimestamp(TS_MW,$s->user_touched);
 374                         $this->mRights = explode( ",", strtolower(
 375                                 $dbr->selectField( 'user_rights', 'user_rights', array( 'user_id' => $this->mId ) )
 376                         ) );
 377                 }
 378
 379                 $this->mDataLoaded = true;
 380         }
 381
 382         function getID() { return $this->mId; }
 383         function setID( $v ) {
 384                 $this->mId = $v;
 385                 $this->mDataLoaded = false;
 386         }
 387
 388         function getName() {
 389                 $this->loadFromDatabase();
 390                 return $this->mName;
 391         }
 392
 393         function setName( $str ) {
 394                 $this->loadFromDatabase();
 395                 $this->mName = $str;
 396         }
 397
 398         function getNewtalk() {
 399                 $this->loadFromDatabase();
 400                 return ( 0 != $this->mNewtalk );
 401         }
 402
 403         function setNewtalk( $val ) {
 404                 $this->loadFromDatabase();
 405                 $this->mNewtalk = $val;
 406                 $this->invalidateCache();
 407         }
 408
 409         function invalidateCache() {
 410                 $this->loadFromDatabase();
 411                 $this->mTouched = wfTimestampNow();
 412                 # Don't forget to save the options after this or
 413                 # it won't take effect!
 414         }
 415
 416         function validateCache( $timestamp ) {
 417                 $this->loadFromDatabase();
 418                 return ($timestamp >= $this->mTouched);
 419         }
 420
 421         /**
 422          * Salt a password.
 423          * Will only be salted if $wgPasswordSalt is true
 424          * @param string Password.
 425          * @return string Salted password or clear password.
 426          */
 427         function addSalt( $p ) {
 428                 global $wgPasswordSalt;
 429                 if($wgPasswordSalt)
 430                         return md5( "{$this->mId}-{$p}" );
 431                 else
 432                         return $p;
 433         }
 434
 435         /**
 436          * Encrypt a password.
 437          * It can eventuall salt a password @see User::addSalt()
 438          * @param string $p clear Password.
 439          * @param string Encrypted password.
 440          */
 441         function encryptPassword( $p ) {
 442                 return $this->addSalt( md5( $p ) );
 443         }
 444
 445         function setPassword( $str ) {
 446                 $this->loadFromDatabase();
 447                 $this->setCookiePassword( $str );
 448                 $this->mPassword = $this->encryptPassword( $str );
 449                 $this->mNewpassword = '';
 450         }
 451
 452         function setCookiePassword( $str ) {
 453                 $this->loadFromDatabase();
 454                 $this->mCookiePassword = md5( $str );
 455         }
 456
 457         function setNewpassword( $str ) {
 458                 $this->loadFromDatabase();
 459                 $this->mNewpassword = $this->encryptPassword( $str );
 460         }
 461
 462         function getEmail() {
 463                 $this->loadFromDatabase();
 464                 return $this->mEmail;
 465         }
 466
 467         function setEmail( $str ) {
 468                 $this->loadFromDatabase();
 469                 $this->mEmail = $str;
 470         }
 471
 472         function getRealName() {
 473                 $this->loadFromDatabase();
 474                 return $this->mRealName;
 475         }
 476
 477         function setRealName( $str ) {
 478                 $this->loadFromDatabase();
 479                 $this->mRealName = $str;
 480         }
 481
 482         function getOption( $oname ) {
 483                 $this->loadFromDatabase();
 484                 if ( array_key_exists( $oname, $this->mOptions ) ) {
 485                         return $this->mOptions[$oname];
 486                 } else {
 487                         return '';
 488                 }
 489         }
 490
 491         function setOption( $oname, $val ) {
 492                 $this->loadFromDatabase();
 493                 if ( $oname == 'skin' ) {
 494                         # Clear cached skin, so the new one displays immediately in Special:Preferences
 495                         unset( $this->mSkin );
 496                 }
 497                 $this->mOptions[$oname] = $val;
 498                 $this->invalidateCache();
 499         }
 500
 501         function getRights() {
 502                 $this->loadFromDatabase();
 503                 return $this->mRights;
 504         }
 505
 506         function addRight( $rname )     {
 507                 $this->loadFromDatabase();
 508                 array_push( $this->mRights, $rname );
 509                 $this->invalidateCache();
 510         }
 511
 512         function isSysop() {
 513                 $this->loadFromDatabase();
 514                 if ( 0 == $this->mId ) { return false; }
 515
 516                 return in_array( 'sysop', $this->mRights );
 517         }
 518
 519         function isDeveloper() {
 520                 $this->loadFromDatabase();
 521                 if ( 0 == $this->mId ) { return false; }
 522
 523                 return in_array( 'developer', $this->mRights );
 524         }
 525
 526         function isBureaucrat() {
 527                 $this->loadFromDatabase();
 528                 if ( 0 == $this->mId ) { return false; }
 529
 530                 return in_array( 'bureaucrat', $this->mRights );
 531         }
 532
 533         /**
 534          * Whether the user is a bot
 535          */
 536         function isBot() {
 537                 $this->loadFromDatabase();
 538
 539                 # Why was this here? I need a UID=0 conversion script [TS]
 540                 # if ( 0 == $this->mId ) { return false; }
 541
 542                 return in_array( 'bot', $this->mRights );
 543         }
 544
 545         /**
 546          * Load a skin if it doesn't exist or return it
 547          * @todo FIXME : need to check the old failback system [AV]
 548          */
 549         function &getSkin() {
 550                 global $IP, $wgUsePHPTal;
 551                 if ( ! isset( $this->mSkin ) ) {
 552                         # get all skin names available
 553                         $skinNames = Skin::getSkinNames();
 554                         # get the user skin
 555                         $userSkin = $this->getOption( 'skin' );
 556                         if ( $userSkin == '' ) { $userSkin = 'standard'; }
 557
 558                         if ( !isset( $skinNames[$userSkin] ) ) {
 559                                 # in case the user skin could not be found find a replacement
 560                                 $fallback = array(
 561                                         0 => 'Standard',
 562                                         1 => 'Nostalgia',
 563                                         2 => 'CologneBlue');
 564                                 # if phptal is enabled we should have monobook skin that
 565                                 # superseed the good old SkinStandard.
 566                                 if ( isset( $skinNames['monobook'] ) ) {
 567                                         $fallback[0] = 'MonoBook';
 568                                 }
 569
 570                                 if(is_numeric($userSkin) && isset( $fallback[$userSkin]) ){
 571                                         $sn = $fallback[$userSkin];
 572                                 } else {
 573                                         $sn = 'Standard';
 574                                 }
 575                         } else {
 576                                 # The user skin is available
 577                                 $sn = $skinNames[$userSkin];
 578                         }
 579
 580                         # Grab the skin class and initialise it. Each skin checks for PHPTal
 581                         # and will not load if it's not enabled.
 582                         require_once( $IP.'/skins/'.$sn.'.php' );
 583
 584                         # Check if we got if not failback to default skin
 585                         $className = 'Skin'.$sn;
 586                         if( !class_exists( $className ) ) {
 587                                 # DO NOT die if the class isn't found. This breaks maintenance
 588                                 # scripts and can cause a user account to be unrecoverable
 589                                 # except by SQL manipulation if a previously valid skin name
 590                                 # is no longer valid.
 591                                 $className = 'SkinStandard';
 592                                 require_once( $IP.'/skins/Standard.php' );
 593                         }
 594                         $this->mSkin = new $className;
 595                 }
 596                 return $this->mSkin;
 597         }
 598
 599         /**#@+
 600          * @param string $title Article title to look at
 601          */
 602
 603         /**
 604          * Check watched status of an article
 605          * @return bool True if article is watched
 606          */
 607         function isWatched( $title ) {
 608                 $wl = WatchedItem::fromUserTitle( $this, $title );
 609                 return $wl->isWatched();
 610         }
 611
 612         /**
 613          * Watch an article
 614          */
 615         function addWatch( $title ) {
 616                 $wl = WatchedItem::fromUserTitle( $this, $title );
 617                 $wl->addWatch();
 618                 $this->invalidateCache();
 619         }
 620
 621         /**
 622          * Stop watching an article
 623          */
 624         function removeWatch( $title ) {
 625                 $wl = WatchedItem::fromUserTitle( $this, $title );
 626                 $wl->removeWatch();
 627                 $this->invalidateCache();
 628         }
 629         /**#@-*/
 630
 631         /**
 632          * @access private
 633          * @return string Encoding options
 634          */
 635         function encodeOptions() {
 636                 $a = array();
 637                 foreach ( $this->mOptions as $oname => $oval ) {
 638                         array_push( $a, $oname.'='.$oval );
 639                 }
 640                 $s = implode( "\n", $a );
 641                 return $s;
 642         }
 643
 644         /**
 645          * @access private
 646          */
 647         function decodeOptions( $str ) {
 648                 $a = explode( "\n", $str );
 649                 foreach ( $a as $s ) {
 650                         if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
 651                                 $this->mOptions[$m[1]] = $m[2];
 652                         }
 653                 }
 654         }
 655
 656         function setCookies() {
 657                 global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgDBname;
 658                 if ( 0 == $this->mId ) return;
 659                 $this->loadFromDatabase();
 660                 $exp = time() + $wgCookieExpiration;
 661
 662                 $_SESSION['wsUserID'] = $this->mId;
 663                 setcookie( $wgDBname.'UserID', $this->mId, $exp, $wgCookiePath, $wgCookieDomain );
 664
 665                 $_SESSION['wsUserName'] = $this->mName;
 666                 setcookie( $wgDBname.'UserName', $this->mName, $exp, $wgCookiePath, $wgCookieDomain );
 667
 668                 $_SESSION['wsUserPassword'] = $this->mPassword;
 669                 if ( 1 == $this->getOption( 'rememberpassword' ) ) {
 670                         setcookie( $wgDBname.'Password', $this->mCookiePassword, $exp, $wgCookiePath, $wgCookieDomain );
 671                 } else {
 672                         setcookie( $wgDBname.'Password', '', time() - 3600 );
 673                 }
 674         }
 675
 676         /**
 677          * Logout user
 678          * It will clean the session cookie
 679          */
 680         function logout() {
 681                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 682                 $this->mId = 0;
 683
 684                 $_SESSION['wsUserID'] = 0;
 685
 686                 setcookie( $wgDBname.'UserID', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 687                 setcookie( $wgDBname.'Password', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 688         }
 689
 690         /**
 691          * Save object settings into database
 692          */
 693         function saveSettings() {
 694                 global $wgMemc, $wgDBname;
 695                 $fname = 'User::saveSettings';
 696
 697                 $dbw =& wfGetDB( DB_MASTER );
 698                 if ( ! $this->mNewtalk ) {
 699                         # Delete user_newtalk row
 700                         if( $this->mId ) {
 701                                 $dbw->delete( 'user_newtalk', array( 'user_id' => $this->mId ), $fname );
 702                         } else {
 703                                 $dbw->delete( 'user_newtalk', array( 'user_ip' => $this->mName ), $fname );
 704                                 $wgMemc->delete( "$wgDBname:newtalk:ip:{$this->mName}" );
 705                         }
 706                 }
 707                 if ( 0 == $this->mId ) { return; }
 708
 709                 $dbw->update( 'user',
 710                         array( /* SET */
 711                                 'user_name' => $this->mName,
 712                                 'user_password' => $this->mPassword,
 713                                 'user_newpassword' => $this->mNewpassword,
 714                                 'user_real_name' => $this->mRealName,
 715                                 'user_email' => $this->mEmail,
 716                                 'user_options' => $this->encodeOptions(),
 717                                 'user_touched' => $dbw->timestamp($this->mTouched)
 718                         ), array( /* WHERE */
 719                                 'user_id' => $this->mId
 720                         ), $fname
 721                 );
 722                 $dbw->set( 'user_rights', 'user_rights', implode( ",", $this->mRights ),
 723                         'user_id='. $this->mId, $fname );
 724                 $wgMemc->delete( "$wgDBname:user:id:$this->mId" );
 725         }
 726
 727         /**
 728          * Checks if a user with the given name exists, returns the ID
 729          */
 730         function idForName() {
 731                 $fname = 'User::idForName';
 732
 733                 $gotid = 0;
 734                 $s = trim( $this->mName );
 735                 if ( 0 == strcmp( '', $s ) ) return 0;
 736
 737                 $dbr =& wfGetDB( DB_SLAVE );
 738                 $id = $dbr->selectField( 'user', 'user_id', array( 'user_name' => $s ), $fname );
 739                 if ( $id === false ) {
 740                         $id = 0;
 741                 }
 742                 return $id;
 743         }
 744
 745         /**
 746          * Add user object to the database
 747          */
 748         function addToDatabase() {
 749                 $fname = 'User::addToDatabase';
 750                 $dbw =& wfGetDB( DB_MASTER );
 751                 $seqVal = $dbw->nextSequenceValue( 'user_user_id_seq' );
 752                 $dbw->insert( 'user',
 753                         array(
 754                                 'user_id' => $seqVal,
 755                                 'user_name' => $this->mName,
 756                                 'user_password' => $this->mPassword,
 757                                 'user_newpassword' => $this->mNewpassword,
 758                                 'user_email' => $this->mEmail,
 759                                 'user_real_name' => $this->mRealName,
 760                                 'user_options' => $this->encodeOptions()
 761                         ), $fname
 762                 );
 763                 $this->mId = $dbw->insertId();
 764                 $dbw->insert( 'user_rights',
 765                         array(
 766                                 'user_id' => $this->mId,
 767                                 'user_rights' => implode( ',', $this->mRights )
 768                         ), $fname
 769                 );
 770
 771         }
 772
 773         function spreadBlock() {
 774                 global $wgIP;
 775                 # If the (non-anonymous) user is blocked, this function will block any IP address
 776                 # that they successfully log on from.
 777                 $fname = 'User::spreadBlock';
 778
 779                 wfDebug( "User:spreadBlock()\n" );
 780                 if ( $this->mId == 0 ) {
 781                         return;
 782                 }
 783
 784                 $userblock = Block::newFromDB( '', $this->mId );
 785                 if ( !$userblock->isValid() ) {
 786                         return;
 787                 }
 788
 789                 # Check if this IP address is already blocked
 790                 $ipblock = Block::newFromDB( $wgIP );
 791                 if ( $ipblock->isValid() ) {
 792                         # Just update the timestamp
 793                         $ipblock->updateTimestamp();
 794                         return;
 795                 }
 796
 797                 # Make a new block object with the desired properties
 798                 wfDebug( "Autoblocking {$this->mName}@{$wgIP}\n" );
 799                 $ipblock->mAddress = $wgIP;
 800                 $ipblock->mUser = 0;
 801                 $ipblock->mBy = $userblock->mBy;
 802                 $ipblock->mReason = wfMsg( 'autoblocker', $this->getName(), $userblock->mReason );
 803                 $ipblock->mTimestamp = wfTimestampNow();
 804                 $ipblock->mAuto = 1;
 805                 # If the user is already blocked with an expiry date, we don't
 806                 # want to pile on top of that!
 807                 if($userblock->mExpiry) {
 808                         $ipblock->mExpiry = min ( $userblock->mExpiry, Block::getAutoblockExpiry( $ipblock->mTimestamp ));
 809                 } else {
 810                         $ipblock->mExpiry = Block::getAutoblockExpiry( $ipblock->mTimestamp );
 811                 }
 812
 813                 # Insert it
 814                 $ipblock->insert();
 815
 816         }
 817
 818         function getPageRenderingHash() {
 819         global $wgLang;
 820                 if( $this->mHash ){
 821                         return $this->mHash;
 822                 }
 823
 824                 // stubthreshold is only included below for completeness,
 825                 // it will always be 0 when this function is called by parsercache.
 826
 827                 $confstr =        $this->getOption( 'math' );
 828                 $confstr .= '!' . $this->getOption( 'highlightbroken' );
 829                 $confstr .= '!' . $this->getOption( 'stubthreshold' );
 830                 $confstr .= '!' . $this->getOption( 'editsection' );
 831                 $confstr .= '!' . $this->getOption( 'editsectiononrightclick' );
 832                 $confstr .= '!' . $this->getOption( 'showtoc' );
 833                 $confstr .= '!' . $this->getOption( 'date' );
 834                 $confstr .= '!' . $this->getOption( 'numberheadings' );
 835
 836         // add in language variant option if there are multiple variants
 837         // supported by the language object
 838         if(sizeof($wgLang->getVariants())>1) {
 839              $confstr .= '!' . $this->getOption( 'variant' );
 840         }
 841
 842                 $this->mHash = $confstr;
 843                 return $confstr ;
 844         }
 845
 846         function isAllowedToCreateAccount() {
 847                 global $wgWhitelistAccount;
 848                 $allowed = false;
 849
 850                 if (!$wgWhitelistAccount) { return 1; }; // default behaviour
 851                 foreach ($wgWhitelistAccount as $right => $ok) {
 852                         $userHasRight = (!strcmp($right, 'user') || in_array($right, $this->getRights()));
 853                         $allowed |= ($ok && $userHasRight);
 854                 }
 855                 return $allowed;
 856         }
 857
 858         /**
 859          * Set mDataLoaded, return previous value
 860          * Use this to prevent DB access in command-line scripts or similar situations
 861          */
 862         function setLoaded( $loaded ) {
 863                 return wfSetVar( $this->mDataLoaded, $loaded );
 864         }
 865
 866         function getUserPage() {
 867                 return Title::makeTitle( NS_USER, $this->mName );
 868         }
 869
 870         /**
 871          * @static
 872          */
 873         function getMaxID() {
 874                 $dbr =& wfGetDB( DB_SLAVE );
 875                 return $dbr->selectField( 'user', 'max(user_id)', false );
 876         }
 877
 878         /**
 879          * Determine whether the user is a newbie. Newbies are either
 880          * anonymous IPs, or the 1% most recently created accounts.
 881          * Bots and sysops are excluded.
 882          * @return bool True if it is a newbie.
 883          */
 884         function isNewbie() {
 885                 return $this->mId > User::getMaxID() * 0.99 && !$this->isSysop() && !$this->isBot() || $this->getID() == 0;
 886         }
 887
 888         /**
 889          * Check to see if the given clear-text password is one of the accepted passwords
 890          * @param string $password User password.
 891          * @return bool True if the given password is correct otherwise False.
 892          */
 893         function checkPassword( $password ) {
 894                 $this->loadFromDatabase();
 895                 $ep = $this->encryptPassword( $password );
 896                 if ( 0 == strcmp( $ep, $this->mPassword ) ) {
 897                         return true;
 898                 } elseif ( 0 == strcmp( $ep, $this->mNewpassword ) ) {
 899                         return true;
 900                 } elseif ( function_exists( 'iconv' ) ) {
 901                         # Some wikis were converted from ISO 8859-1 to UTF-8, the passwords can't be converted
 902                         # Check for this with iconv
 903 /*                      $cp1252hash = $this->encryptPassword( iconv( 'UTF-8', 'WINDOWS-1252', $password ) );
 904                         if ( 0 == strcmp( $cp1252hash, $this->mPassword ) ) {
 905                                 return true;
 906                         }*/
 907                 }
 908                 return false;
 909         }
 910 }
 911
 912 ?>