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 # Number of characters in user_token field
  14 define( 'USER_TOKEN_LENGTH', 32 );
  15
  16 /**
  17  *
  18  * @package MediaWiki
  19  */
  20 class User {
  21         /**#@+
  22          * @access private
  23          */
  24         var $mId, $mName, $mPassword, $mEmail, $mNewtalk;
  25         var $mRights, $mOptions;
  26         var $mDataLoaded, $mNewpassword;
  27         var $mSkin;
  28         var $mBlockedby, $mBlockreason;
  29         var $mTouched;
  30         var $mToken;
  31         var $mRealName;
  32         var $mHash;
  33         /** Array of group id the user belong to */
  34         var $mGroups;
  35         /**#@-*/
  36
  37         /** Construct using User:loadDefaults() */
  38         function User() {
  39                 $this->loadDefaults();
  40         }
  41
  42         /**
  43          * Static factory method
  44          * @static
  45          * @param string $name Username, validated by Title:newFromText()
  46          */
  47         function newFromName( $name ) {
  48                 $u = new User();
  49
  50                 # Clean up name according to title rules
  51
  52                 $t = Title::newFromText( $name );
  53                 if( is_null( $t ) ) {
  54                         return NULL;
  55                 } else {
  56                         $u->setName( $t->getText() );
  57                         return $u;
  58                 }
  59         }
  60
  61         /**
  62          * Get username given an id.
  63          * @param integer $id Database user id
  64          * @return string Nickname of a user
  65          * @static
  66          */
  67         function whoIs( $id )   {
  68                 $dbr =& wfGetDB( DB_SLAVE );
  69                 return $dbr->selectField( 'user', 'user_name', array( 'user_id' => $id ) );
  70         }
  71
  72         /**
  73          * Get real username given an id.
  74          * @param integer $id Database user id
  75          * @return string Realname of a user
  76          * @static
  77          */
  78         function whoIsReal( $id )       {
  79                 $dbr =& wfGetDB( DB_SLAVE );
  80                 return $dbr->selectField( 'user', 'user_real_name', array( 'user_id' => $id ) );
  81         }
  82
  83         /**
  84          * Get database id given a user name
  85          * @param string $name Nickname of a user
  86          * @return integer|null Database user id (null: if non existent
  87          * @static
  88          */
  89         function idFromName( $name ) {
  90                 $fname = "User::idFromName";
  91
  92                 $nt = Title::newFromText( $name );
  93                 if( is_null( $nt ) ) {
  94                         # Illegal name
  95                         return null;
  96                 }
  97                 $dbr =& wfGetDB( DB_SLAVE );
  98                 $s = $dbr->selectRow( 'user', array( 'user_id' ), array( 'user_name' => $nt->getText() ), $fname );
  99
 100                 if ( $s === false ) {
 101                         return 0;
 102                 } else {
 103                         return $s->user_id;
 104                 }
 105         }
 106
 107         /**
 108          * does the string match an anonymous user IP address?
 109          * @param string $name Nickname of a user
 110          * @static
 111          */
 112         function isIP( $name ) {
 113                 return preg_match("/^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/",$name);
 114         }
 115
 116         /**
 117          * probably return a random password
 118          * @return string probably a random password
 119          * @static
 120          * @todo Check what is doing really [AV]
 121          */
 122         function randomPassword() {
 123                 $pwchars = 'ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz';
 124                 $l = strlen( $pwchars ) - 1;
 125
 126                 $np = $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
 127                   $pwchars{mt_rand( 0, $l )} . chr( mt_rand(48, 57) ) .
 128                   $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
 129                   $pwchars{mt_rand( 0, $l )};
 130                 return $np;
 131         }
 132
 133         /**
 134          * Set properties to default
 135          * Used at construction. It will load per language default settings only
 136          * if we have an available language object.
 137          */
 138         function loadDefaults() {
 139                 global $wgContLang, $wgIP;
 140                 global $wgNamespacesToBeSearchedDefault;
 141
 142                 $this->mId = 0;
 143                 $this->mNewtalk = -1;
 144                 $this->mName = $wgIP;
 145                 $this->mRealName = $this->mEmail = '';
 146                 $this->mPassword = $this->mNewpassword = '';
 147                 $this->mRights = array();
 148                 $this->mGroups = array();
 149
 150                 // Getting user defaults only if we have an available language
 151                 if(isset($wgContLang)) { $this->loadDefaultFromLanguage(); }
 152
 153                 foreach ($wgNamespacesToBeSearchedDefault as $nsnum => $val) {
 154                         $this->mOptions['searchNs'.$nsnum] = $val;
 155                 }
 156                 unset( $this->mSkin );
 157                 $this->mDataLoaded = false;
 158                 $this->mBlockedby = -1; # Unset
 159                 $this->mTouched = '0'; # Allow any pages to be cached
 160                 $this->setToken(); # Random
 161                 $this->mHash = false;
 162         }
 163
 164         /**
 165          * Used to load user options from a language.
 166          * This is not in loadDefault() cause we sometime create user before having
 167          * a language object.
 168          */
 169         function loadDefaultFromLanguage(){
 170                 global $wgContLang;
 171                 $defOpt = $wgContLang->getDefaultUserOptions() ;
 172                 foreach ( $defOpt as $oname => $val ) {
 173                         $this->mOptions[$oname] = $val;
 174                 }
 175                 /*
 176                   default language setting
 177                 */
 178                 $this->setOption('variant', $wgContLang->getPreferredVariant());
 179                 $this->setOption('language', $wgContLang->getPreferredVariant());
 180         }
 181
 182         /**
 183          * Get blocking information
 184          * @access private
 185          */
 186         function getBlockedStatus() {
 187                 global $wgIP, $wgBlockCache, $wgProxyList;
 188
 189                 if ( -1 != $this->mBlockedby ) { return; }
 190
 191                 $this->mBlockedby = 0;
 192
 193                 # User blocking
 194                 if ( $this->mId ) {
 195                         $block = new Block();
 196                         if ( $block->load( $wgIP , $this->mId ) ) {
 197                                 $this->mBlockedby = $block->mBy;
 198                                 $this->mBlockreason = $block->mReason;
 199                         }
 200                 }
 201
 202                 # IP/range blocking
 203                 if ( !$this->mBlockedby ) {
 204                         $block = $wgBlockCache->get( $wgIP );
 205                         if ( $block !== false ) {
 206                                 $this->mBlockedby = $block->mBy;
 207                                 $this->mBlockreason = $block->mReason;
 208                         }
 209                 }
 210
 211                 # Proxy blocking
 212                 if ( !$this->mBlockedby ) {
 213                         if ( array_key_exists( $wgIP, $wgProxyList ) ) {
 214                                 $this->mBlockreason = wfMsg( 'proxyblockreason' );
 215                                 $this->mBlockedby = "Proxy blocker";
 216                         }
 217                 }
 218         }
 219
 220         /**
 221          * Check if user is blocked
 222          * @return bool True if blocked, false otherwise
 223          */
 224         function isBlocked() {
 225                 $this->getBlockedStatus();
 226                 if ( 0 === $this->mBlockedby ) { return false; }
 227                 return true;
 228         }
 229
 230         /**
 231          * Get name of blocker
 232          * @return string name of blocker
 233          */
 234         function blockedBy() {
 235                 $this->getBlockedStatus();
 236                 return $this->mBlockedby;
 237         }
 238
 239         /**
 240          * Get blocking reason
 241          * @return string Blocking reason
 242          */
 243         function blockedFor() {
 244                 $this->getBlockedStatus();
 245                 return $this->mBlockreason;
 246         }
 247
 248         /**
 249          * Initialise php session
 250          */
 251         function SetupSession() {
 252                 global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain;
 253                 if( $wgSessionsInMemcached ) {
 254                         require_once( 'MemcachedSessions.php' );
 255                 } elseif( 'files' != ini_get( 'session.save_handler' ) ) {
 256                         # If it's left on 'user' or another setting from another
 257                         # application, it will end up failing. Try to recover.
 258                         ini_set ( 'session.save_handler', 'files' );
 259                 }
 260                 session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain );
 261                 session_cache_limiter( 'private, must-revalidate' );
 262                 @session_start();
 263         }
 264
 265         /**
 266          * Read datas from session
 267          * @static
 268          */
 269         function loadFromSession() {
 270                 global $wgMemc, $wgDBname;
 271
 272                 if ( isset( $_SESSION['wsUserID'] ) ) {
 273                         if ( 0 != $_SESSION['wsUserID'] ) {
 274                                 $sId = $_SESSION['wsUserID'];
 275                         } else {
 276                                 return new User();
 277                         }
 278                 } else if ( isset( $_COOKIE["{$wgDBname}UserID"] ) ) {
 279                         $sId = IntVal( $_COOKIE["{$wgDBname}UserID"] );
 280                         $_SESSION['wsUserID'] = $sId;
 281                 } else {
 282                         return new User();
 283                 }
 284                 if ( isset( $_SESSION['wsUserName'] ) ) {
 285                         $sName = $_SESSION['wsUserName'];
 286                 } else if ( isset( $_COOKIE["{$wgDBname}UserName"] ) ) {
 287                         $sName = $_COOKIE["{$wgDBname}UserName"];
 288                         $_SESSION['wsUserName'] = $sName;
 289                 } else {
 290                         return new User();
 291                 }
 292
 293                 $passwordCorrect = FALSE;
 294                 $user = $wgMemc->get( $key = "$wgDBname:user:id:$sId" );
 295                 if($makenew = !$user) {
 296                         wfDebug( "User::loadFromSession() unable to load from memcached\n" );
 297                         $user = new User();
 298                         $user->mId = $sId;
 299                         $user->loadFromDatabase();
 300                 } else {
 301                         wfDebug( "User::loadFromSession() got from cache!\n" );
 302                 }
 303
 304                 if ( isset( $_SESSION['wsToken'] ) ) {
 305                         $passwordCorrect = $_SESSION['wsToken'] == $user->mToken;
 306                 } else if ( isset( $_COOKIE["{$wgDBname}Token"] ) ) {
 307                         $passwordCorrect = $user->mToken == $_COOKIE["{$wgDBname}Token"];
 308                 } else {
 309                         return new User(); # Can't log in from session
 310                 }
 311
 312                 if ( ( $sName == $user->mName ) && $passwordCorrect ) {
 313                         if($makenew) {
 314                                 if($wgMemc->set( $key, $user ))
 315                                         wfDebug( "User::loadFromSession() successfully saved user\n" );
 316                                 else
 317                                         wfDebug( "User::loadFromSession() unable to save to memcached\n" );
 318                         }
 319                         $user->spreadBlock();
 320                         return $user;
 321                 }
 322                 return new User(); # Can't log in from session
 323         }
 324
 325         /**
 326          * Load a user from the database
 327          */
 328         function loadFromDatabase() {
 329                 global $wgCommandLineMode;
 330                 $fname = "User::loadFromDatabase";
 331                 if ( $this->mDataLoaded || $wgCommandLineMode ) {
 332                         return;
 333                 }
 334
 335                 # Paranoia
 336                 $this->mId = IntVal( $this->mId );
 337
 338                 if(!$this->mId) {
 339                         $this->mDataLoaded = true;
 340                         return;
 341                 } # the following stuff is for non-anonymous users only
 342
 343                 $dbr =& wfGetDB( DB_SLAVE );
 344                 $s = $dbr->selectRow( 'user', array( 'user_name','user_password','user_newpassword','user_email',
 345                   'user_real_name','user_options','user_touched', 'user_token' ),
 346                   array( 'user_id' => $this->mId ), $fname );
 347
 348                 if ( $s !== false ) {
 349                         $this->mName = $s->user_name;
 350                         $this->mEmail = $s->user_email;
 351                         $this->mRealName = $s->user_real_name;
 352                         $this->mPassword = $s->user_password;
 353                         $this->mNewpassword = $s->user_newpassword;
 354                         $this->decodeOptions( $s->user_options );
 355                         $this->mTouched = wfTimestamp(TS_MW,$s->user_touched);
 356                         $this->mToken = $s->user_token;
 357
 358                         $this->mRights = explode( ",", strtolower(
 359                                 $dbr->selectField( 'user_rights', 'user_rights', array( 'user_id' => $this->mId ) )
 360                         ) );
 361
 362                         // Get groups id
 363                         $res = $dbr->select( 'user_groups', array( 'group_id' ), array( 'user_id' => $this->mId ) );
 364                         while($group = $dbr->fetchRow($res)) {
 365                                 $this->mGroups[] = $group[0];
 366                         }
 367                         $dbr->freeResult($res);
 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                 $fname = 'User::getNewtalk';
 391                 $this->loadFromDatabase();
 392
 393                 # Load the newtalk status if it is unloaded (mNewtalk=-1)
 394                 if ( $this->mNewtalk == -1 ) {
 395                         $this->mNewtalk=0; # reset talk page status
 396                         $dbr =& wfGetDB( DB_SLAVE );
 397                         if($this->mId) {
 398                                 $res = $dbr->select( 'user_newtalk', 1, array( 'user_id' => $this->mId ), $fname );
 399
 400                                 if ( $dbr->numRows($res)>0 ) {
 401                                         $this->mNewtalk= 1;
 402                                 }
 403                                 $dbr->freeResult( $res );
 404                         } else {
 405                                 global $wgDBname, $wgMemc;
 406                                 $key = "$wgDBname:newtalk:ip:{$this->mName}";
 407                                 $newtalk = $wgMemc->get( $key );
 408                                 if( ! is_integer( $newtalk ) ){
 409                                         $res = $dbr->select( 'user_newtalk', 1, array( 'user_ip' => $this->mName ), $fname );
 410
 411                                         $this->mNewtalk = $dbr->numRows( $res ) > 0 ? 1 : 0;
 412                                         $dbr->freeResult( $res );
 413
 414                                         $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
 415                                 } else {
 416                                         $this->mNewtalk = $newtalk ? 1 : 0;
 417                                 }
 418                         }
 419                 }
 420
 421                 return ( 0 != $this->mNewtalk );
 422         }
 423
 424         function setNewtalk( $val ) {
 425                 $this->loadFromDatabase();
 426                 $this->mNewtalk = $val;
 427                 $this->invalidateCache();
 428         }
 429
 430         function invalidateCache() {
 431                 $this->loadFromDatabase();
 432                 $this->mTouched = wfTimestampNow();
 433                 # Don't forget to save the options after this or
 434                 # it won't take effect!
 435         }
 436
 437         function validateCache( $timestamp ) {
 438                 $this->loadFromDatabase();
 439                 return ($timestamp >= $this->mTouched);
 440         }
 441
 442         /**
 443          * Salt a password.
 444          * Will only be salted if $wgPasswordSalt is true
 445          * @param string Password.
 446          * @return string Salted password or clear password.
 447          */
 448         function addSalt( $p ) {
 449                 global $wgPasswordSalt;
 450                 if($wgPasswordSalt)
 451                         return md5( "{$this->mId}-{$p}" );
 452                 else
 453                         return $p;
 454         }
 455
 456         /**
 457          * Encrypt a password.
 458          * It can eventuall salt a password @see User::addSalt()
 459          * @param string $p clear Password.
 460          * @param string Encrypted password.
 461          */
 462         function encryptPassword( $p ) {
 463                 return $this->addSalt( md5( $p ) );
 464         }
 465
 466         # Set the password and reset the random token
 467         function setPassword( $str ) {
 468                 $this->loadFromDatabase();
 469                 $this->setToken();
 470                 $this->mPassword = $this->encryptPassword( $str );
 471                 $this->mNewpassword = '';
 472         }
 473
 474         # Set the random token (used for persistent authentication)
 475         function setToken( $token = false ) {
 476                 if ( !$token ) {
 477                         $this->mToken = '';
 478                         # Take random data from PRNG
 479                         # This is reasonably secure if the PRNG has been seeded correctly
 480                         for ($i = 0; $i<USER_TOKEN_LENGTH / 4; $i++) {
 481                                 $this->mToken .= sprintf( "%04X", mt_rand( 0, 65535 ) );
 482                         }
 483                 } else {
 484                         $this->mToken = $token;
 485                 }
 486         }
 487
 488
 489         function setCookiePassword( $str ) {
 490                 $this->loadFromDatabase();
 491                 $this->mCookiePassword = md5( $str );
 492         }
 493
 494         function setNewpassword( $str ) {
 495                 $this->loadFromDatabase();
 496                 $this->mNewpassword = $this->encryptPassword( $str );
 497         }
 498
 499         function getEmail() {
 500                 $this->loadFromDatabase();
 501                 return $this->mEmail;
 502         }
 503
 504         function setEmail( $str ) {
 505                 $this->loadFromDatabase();
 506                 $this->mEmail = $str;
 507         }
 508
 509         function getRealName() {
 510                 $this->loadFromDatabase();
 511                 return $this->mRealName;
 512         }
 513
 514         function setRealName( $str ) {
 515                 $this->loadFromDatabase();
 516                 $this->mRealName = $str;
 517         }
 518
 519         function getOption( $oname ) {
 520                 $this->loadFromDatabase();
 521                 if ( array_key_exists( $oname, $this->mOptions ) ) {
 522                         return $this->mOptions[$oname];
 523                 } else {
 524                         return '';
 525                 }
 526         }
 527
 528         function setOption( $oname, $val ) {
 529                 $this->loadFromDatabase();
 530                 if ( $oname == 'skin' ) {
 531                         # Clear cached skin, so the new one displays immediately in Special:Preferences
 532                         unset( $this->mSkin );
 533                 }
 534                 $this->mOptions[$oname] = $val;
 535                 $this->invalidateCache();
 536         }
 537
 538         function getRights() {
 539                 $this->loadFromDatabase();
 540                 return $this->mRights;
 541         }
 542
 543         function addRight( $rname )     {
 544                 $this->loadFromDatabase();
 545                 array_push( $this->mRights, $rname );
 546                 $this->invalidateCache();
 547         }
 548
 549         function getGroups() {
 550                 $this->loadFromDatabase();
 551                 return $this->mGroups;
 552         }
 553
 554         function setGroups($groups) {
 555                 $this->loadFromDatabase();
 556                 $this->mGroups = $groups;
 557                 $this->invalidateCache();
 558         }
 559
 560         function isSysop() {
 561                 $this->loadFromDatabase();
 562                 if ( 0 == $this->mId ) { return false; }
 563
 564                 return in_array( 'sysop', $this->mRights );
 565         }
 566
 567         function isDeveloper() {
 568                 $this->loadFromDatabase();
 569                 if ( 0 == $this->mId ) { return false; }
 570
 571                 return in_array( 'developer', $this->mRights );
 572         }
 573
 574         function isBureaucrat() {
 575                 $this->loadFromDatabase();
 576                 if ( 0 == $this->mId ) { return false; }
 577
 578                 return in_array( 'bureaucrat', $this->mRights );
 579         }
 580
 581         /**
 582          * Whether the user is a bot
 583          */
 584         function isBot() {
 585                 $this->loadFromDatabase();
 586
 587                 # Why was this here? I need a UID=0 conversion script [TS]
 588                 # if ( 0 == $this->mId ) { return false; }
 589
 590                 return in_array( 'bot', $this->mRights );
 591         }
 592
 593         /**
 594          * Load a skin if it doesn't exist or return it
 595          * @todo FIXME : need to check the old failback system [AV]
 596          */
 597         function &getSkin() {
 598                 global $IP, $wgUsePHPTal;
 599                 if ( ! isset( $this->mSkin ) ) {
 600                         # get all skin names available
 601                         $skinNames = Skin::getSkinNames();
 602                         # get the user skin
 603                         $userSkin = $this->getOption( 'skin' );
 604                         if ( $userSkin == '' ) { $userSkin = 'standard'; }
 605
 606                         if ( !isset( $skinNames[$userSkin] ) ) {
 607                                 # in case the user skin could not be found find a replacement
 608                                 $fallback = array(
 609                                         0 => 'Standard',
 610                                         1 => 'Nostalgia',
 611                                         2 => 'CologneBlue');
 612                                 # if phptal is enabled we should have monobook skin that
 613                                 # superseed the good old SkinStandard.
 614                                 if ( isset( $skinNames['monobook'] ) ) {
 615                                         $fallback[0] = 'MonoBook';
 616                                 }
 617
 618                                 if(is_numeric($userSkin) && isset( $fallback[$userSkin]) ){
 619                                         $sn = $fallback[$userSkin];
 620                                 } else {
 621                                         $sn = 'Standard';
 622                                 }
 623                         } else {
 624                                 # The user skin is available
 625                                 $sn = $skinNames[$userSkin];
 626                         }
 627
 628                         # Grab the skin class and initialise it. Each skin checks for PHPTal
 629                         # and will not load if it's not enabled.
 630                         require_once( $IP.'/skins/'.$sn.'.php' );
 631
 632                         # Check if we got if not failback to default skin
 633                         $className = 'Skin'.$sn;
 634                         if( !class_exists( $className ) ) {
 635                                 # DO NOT die if the class isn't found. This breaks maintenance
 636                                 # scripts and can cause a user account to be unrecoverable
 637                                 # except by SQL manipulation if a previously valid skin name
 638                                 # is no longer valid.
 639                                 $className = 'SkinStandard';
 640                                 require_once( $IP.'/skins/Standard.php' );
 641                         }
 642                         $this->mSkin = new $className;
 643                 }
 644                 return $this->mSkin;
 645         }
 646
 647         /**#@+
 648          * @param string $title Article title to look at
 649          */
 650
 651         /**
 652          * Check watched status of an article
 653          * @return bool True if article is watched
 654          */
 655         function isWatched( $title ) {
 656                 $wl = WatchedItem::fromUserTitle( $this, $title );
 657                 return $wl->isWatched();
 658         }
 659
 660         /**
 661          * Watch an article
 662          */
 663         function addWatch( $title ) {
 664                 $wl = WatchedItem::fromUserTitle( $this, $title );
 665                 $wl->addWatch();
 666                 $this->invalidateCache();
 667         }
 668
 669         /**
 670          * Stop watching an article
 671          */
 672         function removeWatch( $title ) {
 673                 $wl = WatchedItem::fromUserTitle( $this, $title );
 674                 $wl->removeWatch();
 675                 $this->invalidateCache();
 676         }
 677         /**#@-*/
 678
 679         /**
 680          * @access private
 681          * @return string Encoding options
 682          */
 683         function encodeOptions() {
 684                 $a = array();
 685                 foreach ( $this->mOptions as $oname => $oval ) {
 686                         array_push( $a, $oname.'='.$oval );
 687                 }
 688                 $s = implode( "\n", $a );
 689                 return $s;
 690         }
 691
 692         /**
 693          * @access private
 694          */
 695         function decodeOptions( $str ) {
 696                 $a = explode( "\n", $str );
 697                 foreach ( $a as $s ) {
 698                         if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
 699                                 $this->mOptions[$m[1]] = $m[2];
 700                         }
 701                 }
 702         }
 703
 704         function setCookies() {
 705                 global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgDBname;
 706                 if ( 0 == $this->mId ) return;
 707                 $this->loadFromDatabase();
 708                 $exp = time() + $wgCookieExpiration;
 709
 710                 $_SESSION['wsUserID'] = $this->mId;
 711                 setcookie( $wgDBname.'UserID', $this->mId, $exp, $wgCookiePath, $wgCookieDomain );
 712
 713                 $_SESSION['wsUserName'] = $this->mName;
 714                 setcookie( $wgDBname.'UserName', $this->mName, $exp, $wgCookiePath, $wgCookieDomain );
 715
 716                 $_SESSION['wsToken'] = $this->mToken;
 717                 if ( 1 == $this->getOption( 'rememberpassword' ) ) {
 718                         setcookie( $wgDBname.'Token', $this->mToken, $exp, $wgCookiePath, $wgCookieDomain );
 719                 } else {
 720                         setcookie( $wgDBname.'Token', '', time() - 3600 );
 721                 }
 722         }
 723
 724         /**
 725          * Logout user
 726          * It will clean the session cookie
 727          */
 728         function logout() {
 729                 global $wgCookiePath, $wgCookieDomain, $wgDBname, $wgIP;
 730                 $this->loadDefaults();
 731                 $this->setLoaded( true );
 732
 733                 $_SESSION['wsUserID'] = 0;
 734
 735                 setcookie( $wgDBname.'UserID', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 736                 setcookie( $wgDBname.'Token', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 737         }
 738
 739         /**
 740          * Save object settings into database
 741          */
 742         function saveSettings() {
 743                 global $wgMemc, $wgDBname;
 744                 $fname = 'User::saveSettings';
 745
 746                 $dbw =& wfGetDB( DB_MASTER );
 747                 if ( ! $this->getNewtalk() ) {
 748                         # Delete user_newtalk row
 749                         if( $this->mId ) {
 750                                 $dbw->delete( 'user_newtalk', array( 'user_id' => $this->mId ), $fname );
 751                         } else {
 752                                 $dbw->delete( 'user_newtalk', array( 'user_ip' => $this->mName ), $fname );
 753                                 $wgMemc->delete( "$wgDBname:newtalk:ip:{$this->mName}" );
 754                         }
 755                 }
 756                 if ( 0 == $this->mId ) { return; }
 757
 758                 $dbw->update( 'user',
 759                         array( /* SET */
 760                                 'user_name' => $this->mName,
 761                                 'user_password' => $this->mPassword,
 762                                 'user_newpassword' => $this->mNewpassword,
 763                                 'user_real_name' => $this->mRealName,
 764                                 'user_email' => $this->mEmail,
 765                                 'user_options' => $this->encodeOptions(),
 766                                 'user_touched' => $dbw->timestamp($this->mTouched),
 767                                 'user_token' => $this->mToken
 768                         ), array( /* WHERE */
 769                                 'user_id' => $this->mId
 770                         ), $fname
 771                 );
 772                 $dbw->set( 'user_rights', 'user_rights', implode( ',', $this->mRights ),
 773                         'user_id='. $this->mId, $fname );
 774                 $wgMemc->delete( "$wgDBname:user:id:$this->mId" );
 775
 776                 // delete old groups
 777                 $dbw->delete( 'user_groups', array( 'user_id' => $this->mId), $fname);
 778                 // save new ones
 779                 foreach ($this->mGroups as $group) {
 780                         $dbw->replace( 'user_groups',
 781                                 array(array('user_id','group_id')),
 782                                 array(
 783                                         'user_id' => $this->mId,
 784                                         'group_id' => $group
 785                                 ), $fname
 786                         );
 787                 }
 788         }
 789
 790         /**
 791          * Checks if a user with the given name exists, returns the ID
 792          */
 793         function idForName() {
 794                 $fname = 'User::idForName';
 795
 796                 $gotid = 0;
 797                 $s = trim( $this->mName );
 798                 if ( 0 == strcmp( '', $s ) ) return 0;
 799
 800                 $dbr =& wfGetDB( DB_SLAVE );
 801                 $id = $dbr->selectField( 'user', 'user_id', array( 'user_name' => $s ), $fname );
 802                 if ( $id === false ) {
 803                         $id = 0;
 804                 }
 805                 return $id;
 806         }
 807
 808         /**
 809          * Add user object to the database
 810          */
 811         function addToDatabase() {
 812                 $fname = 'User::addToDatabase';
 813                 $dbw =& wfGetDB( DB_MASTER );
 814                 $seqVal = $dbw->nextSequenceValue( 'user_user_id_seq' );
 815                 $dbw->insert( 'user',
 816                         array(
 817                                 'user_id' => $seqVal,
 818                                 'user_name' => $this->mName,
 819                                 'user_password' => $this->mPassword,
 820                                 'user_newpassword' => $this->mNewpassword,
 821                                 'user_email' => $this->mEmail,
 822                                 'user_real_name' => $this->mRealName,
 823                                 'user_options' => $this->encodeOptions(),
 824                                 'user_token' => $this->mToken
 825                         ), $fname
 826                 );
 827                 $this->mId = $dbw->insertId();
 828                 $dbw->insert( 'user_rights',
 829                         array(
 830                                 'user_id' => $this->mId,
 831                                 'user_rights' => implode( ',', $this->mRights )
 832                         ), $fname
 833                 );
 834
 835                 foreach ($this->mGroups as $group) {
 836                         $dbw->insert( 'user_groups',
 837                                 array(
 838                                         'user_id' => $this->mId,
 839                                         'group_id' => $group
 840                                 ), $fname
 841                         );
 842                 }
 843         }
 844
 845         function spreadBlock() {
 846                 global $wgIP;
 847                 # If the (non-anonymous) user is blocked, this function will block any IP address
 848                 # that they successfully log on from.
 849                 $fname = 'User::spreadBlock';
 850
 851                 wfDebug( "User:spreadBlock()\n" );
 852                 if ( $this->mId == 0 ) {
 853                         return;
 854                 }
 855
 856                 $userblock = Block::newFromDB( '', $this->mId );
 857                 if ( !$userblock->isValid() ) {
 858                         return;
 859                 }
 860
 861                 # Check if this IP address is already blocked
 862                 $ipblock = Block::newFromDB( $wgIP );
 863                 if ( $ipblock->isValid() ) {
 864                         # Just update the timestamp
 865                         $ipblock->updateTimestamp();
 866                         return;
 867                 }
 868
 869                 # Make a new block object with the desired properties
 870                 wfDebug( "Autoblocking {$this->mName}@{$wgIP}\n" );
 871                 $ipblock->mAddress = $wgIP;
 872                 $ipblock->mUser = 0;
 873                 $ipblock->mBy = $userblock->mBy;
 874                 $ipblock->mReason = wfMsg( 'autoblocker', $this->getName(), $userblock->mReason );
 875                 $ipblock->mTimestamp = wfTimestampNow();
 876                 $ipblock->mAuto = 1;
 877                 # If the user is already blocked with an expiry date, we don't
 878                 # want to pile on top of that!
 879                 if($userblock->mExpiry) {
 880                         $ipblock->mExpiry = min ( $userblock->mExpiry, Block::getAutoblockExpiry( $ipblock->mTimestamp ));
 881                 } else {
 882                         $ipblock->mExpiry = Block::getAutoblockExpiry( $ipblock->mTimestamp );
 883                 }
 884
 885                 # Insert it
 886                 $ipblock->insert();
 887
 888         }
 889
 890         function getPageRenderingHash() {
 891         global $wgContLang;
 892                 if( $this->mHash ){
 893                         return $this->mHash;
 894                 }
 895
 896                 // stubthreshold is only included below for completeness,
 897                 // it will always be 0 when this function is called by parsercache.
 898
 899                 $confstr =        $this->getOption( 'math' );
 900                 $confstr .= '!' . $this->getOption( 'highlightbroken' );
 901                 $confstr .= '!' . $this->getOption( 'stubthreshold' );
 902                 $confstr .= '!' . $this->getOption( 'editsection' );
 903                 $confstr .= '!' . $this->getOption( 'editsectiononrightclick' );
 904                 $confstr .= '!' . $this->getOption( 'showtoc' );
 905                 $confstr .= '!' . $this->getOption( 'date' );
 906                 $confstr .= '!' . $this->getOption( 'numberheadings' );
 907                 $confstr .= '!' . $this->getOption( 'language' );
 908                 // add in language variant option if there are multiple variants
 909                 // supported by the language object
 910                 if(sizeof($wgContLang->getVariants())>1) {
 911                         $confstr .= '!' . $this->getOption( 'variant' );
 912                 }
 913
 914                 $this->mHash = $confstr;
 915                 return $confstr ;
 916         }
 917
 918         function isAllowedToCreateAccount() {
 919                 global $wgWhitelistAccount;
 920                 $allowed = false;
 921
 922                 if (!$wgWhitelistAccount) { return 1; }; // default behaviour
 923                 foreach ($wgWhitelistAccount as $right => $ok) {
 924                         $userHasRight = (!strcmp($right, 'user') || in_array($right, $this->getRights()));
 925                         $allowed |= ($ok && $userHasRight);
 926                 }
 927                 return $allowed;
 928         }
 929
 930         /**
 931          * Set mDataLoaded, return previous value
 932          * Use this to prevent DB access in command-line scripts or similar situations
 933          */
 934         function setLoaded( $loaded ) {
 935                 return wfSetVar( $this->mDataLoaded, $loaded );
 936         }
 937
 938         function getUserPage() {
 939                 return Title::makeTitle( NS_USER, $this->mName );
 940         }
 941
 942         /**
 943          * @static
 944          */
 945         function getMaxID() {
 946                 $dbr =& wfGetDB( DB_SLAVE );
 947                 return $dbr->selectField( 'user', 'max(user_id)', false );
 948         }
 949
 950         /**
 951          * Determine whether the user is a newbie. Newbies are either
 952          * anonymous IPs, or the 1% most recently created accounts.
 953          * Bots and sysops are excluded.
 954          * @return bool True if it is a newbie.
 955          */
 956         function isNewbie() {
 957                 return $this->mId > User::getMaxID() * 0.99 && !$this->isSysop() && !$this->isBot() || $this->getID() == 0;
 958         }
 959
 960         /**
 961          * Check to see if the given clear-text password is one of the accepted passwords
 962          * @param string $password User password.
 963          * @return bool True if the given password is correct otherwise False.
 964          */
 965         function checkPassword( $password ) {
 966                 $this->loadFromDatabase();
 967                 $ep = $this->encryptPassword( $password );
 968                 if ( 0 == strcmp( $ep, $this->mPassword ) ) {
 969                         return true;
 970                 } elseif ( 0 == strcmp( $ep, $this->mNewpassword ) ) {
 971                         return true;
 972                 } elseif ( function_exists( 'iconv' ) ) {
 973                         # Some wikis were converted from ISO 8859-1 to UTF-8, the passwords can't be converted
 974                         # Check for this with iconv
 975 /*                      $cp1252hash = $this->encryptPassword( iconv( 'UTF-8', 'WINDOWS-1252', $password ) );
 976                         if ( 0 == strcmp( $cp1252hash, $this->mPassword ) ) {
 977                                 return true;
 978                         }*/
 979                 }
 980                 return false;
 981         }
 982 }
 983
 984 ?>