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