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