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         /**#@-*/
  34
  35         /** Construct using User:loadDefaults() */
  36         function User() {
  37                 $this->loadDefaults();
  38         }
  39
  40         /**
  41          * Static factory method
  42          * @static
  43          * @param string $name Username, validated by Title:newFromText()
  44          */
  45         function newFromName( $name ) {
  46                 $u = new User();
  47
  48                 # Clean up name according to title rules
  49
  50                 $t = Title::newFromText( $name );
  51                 if( is_null( $t ) ) {
  52                         return NULL;
  53                 } else {
  54                         $u->setName( $t->getText() );
  55                         return $u;
  56                 }
  57         }
  58
  59         /**
  60          * Get username given an id.
  61          * @param integer $id Database user id
  62          * @return string Nickname of a user
  63          * @static
  64          */
  65         function whoIs( $id )   {
  66                 $dbr =& wfGetDB( DB_SLAVE );
  67                 return $dbr->selectField( 'user', 'user_name', array( 'user_id' => $id ) );
  68         }
  69
  70         /**
  71          * Get real username given an id.
  72          * @param integer $id Database user id
  73          * @return string Realname of a user
  74          * @static
  75          */
  76         function whoIsReal( $id )       {
  77                 $dbr =& wfGetDB( DB_SLAVE );
  78                 return $dbr->selectField( 'user', 'user_real_name', array( 'user_id' => $id ) );
  79         }
  80
  81         /**
  82          * Get database id given a user name
  83          * @param string $name Nickname of a user
  84          * @return integer|null Database user id (null: if non existent
  85          * @static
  86          */
  87         function idFromName( $name ) {
  88                 $fname = "User::idFromName";
  89
  90                 $nt = Title::newFromText( $name );
  91                 if( is_null( $nt ) ) {
  92                         # Illegal name
  93                         return null;
  94                 }
  95                 $dbr =& wfGetDB( DB_SLAVE );
  96                 $s = $dbr->selectRow( 'user', array( 'user_id' ), array( 'user_name' => $nt->getText() ), $fname );
  97
  98                 if ( $s === false ) {
  99                         return 0;
 100                 } else {
 101                         return $s->user_id;
 102                 }
 103         }
 104
 105         /**
 106          * does the string match an anonymous user IP address?
 107          * @param string $name Nickname of a user
 108          * @static
 109          */
 110         function isIP( $name ) {
 111                 return preg_match("/^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/",$name);
 112         }
 113
 114         /**
 115          * probably return a random password
 116          * @return string probably a random password
 117          * @static
 118          * @todo Check what is doing really [AV]
 119          */
 120         function randomPassword() {
 121                 $pwchars = 'ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz';
 122                 $l = strlen( $pwchars ) - 1;
 123
 124                 $np = $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
 125                   $pwchars{mt_rand( 0, $l )} . chr( mt_rand(48, 57) ) .
 126                   $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
 127                   $pwchars{mt_rand( 0, $l )};
 128                 return $np;
 129         }
 130
 131         /**
 132          * Set properties to default
 133          * Used at construction. It will load per language default settings only
 134          * if we have an available language object.
 135          */
 136         function loadDefaults() {
 137                 global $wgContLang, $wgIP;
 138                 global $wgNamespacesToBeSearchedDefault;
 139
 140                 $this->mId = $this->mNewtalk = 0;
 141                 $this->mName = $wgIP;
 142                 $this->mRealName = $this->mEmail = '';
 143                 $this->mPassword = $this->mNewpassword = '';
 144                 $this->mRights = array();
 145                 // Getting user defaults only if we have an available language
 146                 if(isset($wgContLang)) { $this->loadDefaultFromLanguage(); }
 147
 148                 foreach ($wgNamespacesToBeSearchedDefault as $nsnum => $val) {
 149                         $this->mOptions['searchNs'.$nsnum] = $val;
 150                 }
 151                 unset( $this->mSkin );
 152                 $this->mDataLoaded = false;
 153                 $this->mBlockedby = -1; # Unset
 154                 $this->mTouched = '0'; # Allow any pages to be cached
 155                 $this->setToken(); # Random
 156                 $this->mHash = false;
 157         }
 158
 159         /**
 160          * Used to load user options from a language.
 161          * This is not in loadDefault() cause we sometime create user before having
 162          * a language object.
 163          */
 164         function loadDefaultFromLanguage(){
 165                 global $wgContLang;
 166                 $defOpt = $wgContLang->getDefaultUserOptions() ;
 167                 foreach ( $defOpt as $oname => $val ) {
 168                         $this->mOptions[$oname] = $val;
 169                 }
 170         /*
 171            default language setting
 172         */
 173         $this->setOption('variant', $wgContLang->getPreferredVariant());
 174         $this->setOption('language', $wgContLang->getPreferredVariant());
 175         }
 176
 177         /**
 178          * Get blocking information
 179          * @access private
 180          */
 181         function getBlockedStatus() {
 182                 global $wgIP, $wgBlockCache, $wgProxyList;
 183
 184                 if ( -1 != $this->mBlockedby ) { return; }
 185
 186                 $this->mBlockedby = 0;
 187
 188                 # User blocking
 189                 if ( $this->mId ) {
 190                         $block = new Block();
 191                         if ( $block->load( $wgIP , $this->mId ) ) {
 192                                 $this->mBlockedby = $block->mBy;
 193                                 $this->mBlockreason = $block->mReason;
 194                         }
 195                 }
 196
 197                 # IP/range blocking
 198                 if ( !$this->mBlockedby ) {
 199                         $block = $wgBlockCache->get( $wgIP );
 200                         if ( $block !== false ) {
 201                                 $this->mBlockedby = $block->mBy;
 202                                 $this->mBlockreason = $block->mReason;
 203                         }
 204                 }
 205
 206                 # Proxy blocking
 207                 if ( !$this->mBlockedby ) {
 208                         if ( array_key_exists( $wgIP, $wgProxyList ) ) {
 209                                 $this->mBlockreason = wfMsg( 'proxyblockreason' );
 210                                 $this->mBlockedby = "Proxy blocker";
 211                         }
 212                 }
 213         }
 214
 215         /**
 216          * Check if user is blocked
 217          * @return bool True if blocked, false otherwise
 218          */
 219         function isBlocked() {
 220                 $this->getBlockedStatus();
 221                 if ( 0 === $this->mBlockedby ) { return false; }
 222                 return true;
 223         }
 224
 225         /**
 226          * Get name of blocker
 227          * @return string name of blocker
 228          */
 229         function blockedBy() {
 230                 $this->getBlockedStatus();
 231                 return $this->mBlockedby;
 232         }
 233
 234         /**
 235          * Get blocking reason
 236          * @return string Blocking reason
 237          */
 238         function blockedFor() {
 239                 $this->getBlockedStatus();
 240                 return $this->mBlockreason;
 241         }
 242
 243         /**
 244          * Initialise php session
 245          */
 246         function SetupSession() {
 247                 global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain;
 248                 if( $wgSessionsInMemcached ) {
 249                         require_once( 'MemcachedSessions.php' );
 250                 } elseif( 'files' != ini_get( 'session.save_handler' ) ) {
 251                         # If it's left on 'user' or another setting from another
 252                         # application, it will end up failing. Try to recover.
 253                         ini_set ( 'session.save_handler', 'files' );
 254                 }
 255                 session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain );
 256                 session_cache_limiter( 'private, must-revalidate' );
 257                 @session_start();
 258         }
 259
 260         /**
 261          * Read datas from session
 262          * @static
 263          */
 264         function loadFromSession() {
 265                 global $wgMemc, $wgDBname;
 266
 267                 if ( isset( $_SESSION['wsUserID'] ) ) {
 268                         if ( 0 != $_SESSION['wsUserID'] ) {
 269                                 $sId = $_SESSION['wsUserID'];
 270                         } else {
 271                                 return new User();
 272                         }
 273                 } else if ( isset( $_COOKIE["{$wgDBname}UserID"] ) ) {
 274                         $sId = IntVal( $_COOKIE["{$wgDBname}UserID"] );
 275                         $_SESSION['wsUserID'] = $sId;
 276                 } else {
 277                         return new User();
 278                 }
 279                 if ( isset( $_SESSION['wsUserName'] ) ) {
 280                         $sName = $_SESSION['wsUserName'];
 281                 } else if ( isset( $_COOKIE["{$wgDBname}UserName"] ) ) {
 282                         $sName = $_COOKIE["{$wgDBname}UserName"];
 283                         $_SESSION['wsUserName'] = $sName;
 284                 } else {
 285                         return new User();
 286                 }
 287
 288                 $passwordCorrect = FALSE;
 289                 $user = $wgMemc->get( $key = "$wgDBname:user:id:$sId" );
 290                 if($makenew = !$user) {
 291                         wfDebug( "User::loadFromSession() unable to load from memcached\n" );
 292                         $user = new User();
 293                         $user->mId = $sId;
 294                         $user->loadFromDatabase();
 295                 } else {
 296                         wfDebug( "User::loadFromSession() got from cache!\n" );
 297                 }
 298
 299                 if ( isset( $_SESSION['wsToken'] ) ) {
 300                         $passwordCorrect = $_SESSION['wsToken'] == $user->mToken;
 301                 } else if ( isset( $_COOKIE["{$wgDBname}Token"] ) ) {
 302                         $passwordCorrect = $user->mToken == $_COOKIE["{$wgDBname}Token"];
 303                 } else {
 304                         return new User(); # Can't log in from session
 305                 }
 306
 307                 if ( ( $sName == $user->mName ) && $passwordCorrect ) {
 308                         if($makenew) {
 309                                 if($wgMemc->set( $key, $user ))
 310                                         wfDebug( "User::loadFromSession() successfully saved user\n" );
 311                                 else
 312                                         wfDebug( "User::loadFromSession() unable to save to memcached\n" );
 313                         }
 314                         $user->spreadBlock();
 315                         return $user;
 316                 }
 317                 return new User(); # Can't log in from session
 318         }
 319
 320         /**
 321          * Load a user from the database
 322          */
 323         function loadFromDatabase() {
 324                 global $wgCommandLineMode;
 325                 $fname = "User::loadFromDatabase";
 326                 if ( $this->mDataLoaded || $wgCommandLineMode ) {
 327                         return;
 328                 }
 329
 330                 # Paranoia
 331                 $this->mId = IntVal( $this->mId );
 332
 333                 # check in separate table if there are changes to the talk page
 334                 $this->mNewtalk=0; # reset talk page status
 335                 $dbr =& wfGetDB( DB_SLAVE );
 336                 if($this->mId) {
 337                         $res = $dbr->select( 'user_newtalk', 1, array( 'user_id' => $this->mId ), $fname );
 338
 339                         if ( $dbr->numRows($res)>0 ) {
 340                                 $this->mNewtalk= 1;
 341                         }
 342                         $dbr->freeResult( $res );
 343                 } else {
 344                         global $wgDBname, $wgMemc;
 345                         $key = "$wgDBname:newtalk:ip:{$this->mName}";
 346                         $newtalk = $wgMemc->get( $key );
 347                         if( ! is_integer( $newtalk ) ){
 348                                 $res = $dbr->select( 'user_newtalk', 1, array( 'user_ip' => $this->mName ), $fname );
 349
 350                                 $this->mNewtalk = $dbr->numRows( $res ) > 0 ? 1 : 0;
 351                                 $dbr->freeResult( $res );
 352
 353                                 $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
 354                         } else {
 355                                 $this->mNewtalk = $newtalk ? 1 : 0;
 356                         }
 357                 }
 358                 if(!$this->mId) {
 359                         $this->mDataLoaded = true;
 360                         return;
 361                 } # the following stuff is for non-anonymous users only
 362
 363                 $s = $dbr->selectRow( 'user', array( 'user_name','user_password','user_newpassword','user_email',
 364                   'user_real_name','user_options','user_touched', 'user_token' ),
 365                   array( 'user_id' => $this->mId ), $fname );
 366
 367                 if ( $s !== false ) {
 368                         $this->mName = $s->user_name;
 369                         $this->mEmail = $s->user_email;
 370                         $this->mRealName = $s->user_real_name;
 371                         $this->mPassword = $s->user_password;
 372                         $this->mNewpassword = $s->user_newpassword;
 373                         $this->decodeOptions( $s->user_options );
 374                         $this->mTouched = wfTimestamp(TS_MW,$s->user_touched);
 375                         $this->mRights = explode( ",", strtolower(
 376                                 $dbr->selectField( 'user_rights', 'user_rights', array( 'user_id' => $this->mId ) )
 377                         ) );
 378                         $this->mToken = $s->user_token;
 379                 }
 380
 381                 $this->mDataLoaded = true;
 382         }
 383
 384         function getID() { return $this->mId; }
 385         function setID( $v ) {
 386                 $this->mId = $v;
 387                 $this->mDataLoaded = false;
 388         }
 389
 390         function getName() {
 391                 $this->loadFromDatabase();
 392                 return $this->mName;
 393         }
 394
 395         function setName( $str ) {
 396                 $this->loadFromDatabase();
 397                 $this->mName = $str;
 398         }
 399
 400         function getNewtalk() {
 401                 $this->loadFromDatabase();
 402                 return ( 0 != $this->mNewtalk );
 403         }
 404
 405         function setNewtalk( $val ) {
 406                 $this->loadFromDatabase();
 407                 $this->mNewtalk = $val;
 408                 $this->invalidateCache();
 409         }
 410
 411         function invalidateCache() {
 412                 $this->loadFromDatabase();
 413                 $this->mTouched = wfTimestampNow();
 414                 # Don't forget to save the options after this or
 415                 # it won't take effect!
 416         }
 417
 418         function validateCache( $timestamp ) {
 419                 $this->loadFromDatabase();
 420                 return ($timestamp >= $this->mTouched);
 421         }
 422
 423         /**
 424          * Salt a password.
 425          * Will only be salted if $wgPasswordSalt is true
 426          * @param string Password.
 427          * @return string Salted password or clear password.
 428          */
 429         function addSalt( $p ) {
 430                 global $wgPasswordSalt;
 431                 if($wgPasswordSalt)
 432                         return md5( "{$this->mId}-{$p}" );
 433                 else
 434                         return $p;
 435         }
 436
 437         /**
 438          * Encrypt a password.
 439          * It can eventuall salt a password @see User::addSalt()
 440          * @param string $p clear Password.
 441          * @param string Encrypted password.
 442          */
 443         function encryptPassword( $p ) {
 444                 return $this->addSalt( md5( $p ) );
 445         }
 446
 447         # Set the password and reset the random token
 448         function setPassword( $str ) {
 449                 $this->loadFromDatabase();
 450                 $this->setToken();
 451                 $this->mPassword = $this->encryptPassword( $str );
 452                 $this->mNewpassword = '';
 453         }
 454
 455         # Set the random token (used for persistent authentication)
 456         function setToken( $token = false ) {
 457                 if ( !$token ) {
 458                         $this->mToken = '';
 459                         # Take random data from PRNG
 460                         # This is reasonably secure if the PRNG has been seeded correctly
 461                         for ($i = 0; $i<USER_TOKEN_LENGTH / 4; $i++) {
 462                                 $this->mToken .= sprintf( "%04X", mt_rand( 0, 65535 ) );
 463                         }
 464                 } else {
 465                         $this->mToken = $token;
 466                 }
 467         }
 468
 469
 470         function setCookiePassword( $str ) {
 471                 $this->loadFromDatabase();
 472                 $this->mCookiePassword = md5( $str );
 473         }
 474
 475         function setNewpassword( $str ) {
 476                 $this->loadFromDatabase();
 477                 $this->mNewpassword = $this->encryptPassword( $str );
 478         }
 479
 480         function getEmail() {
 481                 $this->loadFromDatabase();
 482                 return $this->mEmail;
 483         }
 484
 485         function setEmail( $str ) {
 486                 $this->loadFromDatabase();
 487                 $this->mEmail = $str;
 488         }
 489
 490         function getRealName() {
 491                 $this->loadFromDatabase();
 492                 return $this->mRealName;
 493         }
 494
 495         function setRealName( $str ) {
 496                 $this->loadFromDatabase();
 497                 $this->mRealName = $str;
 498         }
 499
 500         function getOption( $oname ) {
 501                 $this->loadFromDatabase();
 502                 if ( array_key_exists( $oname, $this->mOptions ) ) {
 503                         return $this->mOptions[$oname];
 504                 } else {
 505                         return '';
 506                 }
 507         }
 508
 509         function setOption( $oname, $val ) {
 510                 $this->loadFromDatabase();
 511                 if ( $oname == 'skin' ) {
 512                         # Clear cached skin, so the new one displays immediately in Special:Preferences
 513                         unset( $this->mSkin );
 514                 }
 515                 $this->mOptions[$oname] = $val;
 516                 $this->invalidateCache();
 517         }
 518
 519         function getRights() {
 520                 $this->loadFromDatabase();
 521                 return $this->mRights;
 522         }
 523
 524         function addRight( $rname )     {
 525                 $this->loadFromDatabase();
 526                 array_push( $this->mRights, $rname );
 527                 $this->invalidateCache();
 528         }
 529
 530         function isSysop() {
 531                 $this->loadFromDatabase();
 532                 if ( 0 == $this->mId ) { return false; }
 533
 534                 return in_array( 'sysop', $this->mRights );
 535         }
 536
 537         function isDeveloper() {
 538                 $this->loadFromDatabase();
 539                 if ( 0 == $this->mId ) { return false; }
 540
 541                 return in_array( 'developer', $this->mRights );
 542         }
 543
 544         function isBureaucrat() {
 545                 $this->loadFromDatabase();
 546                 if ( 0 == $this->mId ) { return false; }
 547
 548                 return in_array( 'bureaucrat', $this->mRights );
 549         }
 550
 551         /**
 552          * Whether the user is a bot
 553          */
 554         function isBot() {
 555                 $this->loadFromDatabase();
 556
 557                 # Why was this here? I need a UID=0 conversion script [TS]
 558                 # if ( 0 == $this->mId ) { return false; }
 559
 560                 return in_array( 'bot', $this->mRights );
 561         }
 562
 563         /**
 564          * Load a skin if it doesn't exist or return it
 565          * @todo FIXME : need to check the old failback system [AV]
 566          */
 567         function &getSkin() {
 568                 global $IP, $wgUsePHPTal;
 569                 if ( ! isset( $this->mSkin ) ) {
 570                         # get all skin names available
 571                         $skinNames = Skin::getSkinNames();
 572                         # get the user skin
 573                         $userSkin = $this->getOption( 'skin' );
 574                         if ( $userSkin == '' ) { $userSkin = 'standard'; }
 575
 576                         if ( !isset( $skinNames[$userSkin] ) ) {
 577                                 # in case the user skin could not be found find a replacement
 578                                 $fallback = array(
 579                                         0 => 'Standard',
 580                                         1 => 'Nostalgia',
 581                                         2 => 'CologneBlue');
 582                                 # if phptal is enabled we should have monobook skin that
 583                                 # superseed the good old SkinStandard.
 584                                 if ( isset( $skinNames['monobook'] ) ) {
 585                                         $fallback[0] = 'MonoBook';
 586                                 }
 587
 588                                 if(is_numeric($userSkin) && isset( $fallback[$userSkin]) ){
 589                                         $sn = $fallback[$userSkin];
 590                                 } else {
 591                                         $sn = 'Standard';
 592                                 }
 593                         } else {
 594                                 # The user skin is available
 595                                 $sn = $skinNames[$userSkin];
 596                         }
 597
 598                         # Grab the skin class and initialise it. Each skin checks for PHPTal
 599                         # and will not load if it's not enabled.
 600                         require_once( $IP.'/skins/'.$sn.'.php' );
 601
 602                         # Check if we got if not failback to default skin
 603                         $className = 'Skin'.$sn;
 604                         if( !class_exists( $className ) ) {
 605                                 # DO NOT die if the class isn't found. This breaks maintenance
 606                                 # scripts and can cause a user account to be unrecoverable
 607                                 # except by SQL manipulation if a previously valid skin name
 608                                 # is no longer valid.
 609                                 $className = 'SkinStandard';
 610                                 require_once( $IP.'/skins/Standard.php' );
 611                         }
 612                         $this->mSkin = new $className;
 613                 }
 614                 return $this->mSkin;
 615         }
 616
 617         /**#@+
 618          * @param string $title Article title to look at
 619          */
 620
 621         /**
 622          * Check watched status of an article
 623          * @return bool True if article is watched
 624          */
 625         function isWatched( $title ) {
 626                 $wl = WatchedItem::fromUserTitle( $this, $title );
 627                 return $wl->isWatched();
 628         }
 629
 630         /**
 631          * Watch an article
 632          */
 633         function addWatch( $title ) {
 634                 $wl = WatchedItem::fromUserTitle( $this, $title );
 635                 $wl->addWatch();
 636                 $this->invalidateCache();
 637         }
 638
 639         /**
 640          * Stop watching an article
 641          */
 642         function removeWatch( $title ) {
 643                 $wl = WatchedItem::fromUserTitle( $this, $title );
 644                 $wl->removeWatch();
 645                 $this->invalidateCache();
 646         }
 647         /**#@-*/
 648
 649         /**
 650          * @access private
 651          * @return string Encoding options
 652          */
 653         function encodeOptions() {
 654                 $a = array();
 655                 foreach ( $this->mOptions as $oname => $oval ) {
 656                         array_push( $a, $oname.'='.$oval );
 657                 }
 658                 $s = implode( "\n", $a );
 659                 return $s;
 660         }
 661
 662         /**
 663          * @access private
 664          */
 665         function decodeOptions( $str ) {
 666                 $a = explode( "\n", $str );
 667                 foreach ( $a as $s ) {
 668                         if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
 669                                 $this->mOptions[$m[1]] = $m[2];
 670                         }
 671                 }
 672         }
 673
 674         function setCookies() {
 675                 global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgDBname;
 676                 if ( 0 == $this->mId ) return;
 677                 $this->loadFromDatabase();
 678                 $exp = time() + $wgCookieExpiration;
 679
 680                 $_SESSION['wsUserID'] = $this->mId;
 681                 setcookie( $wgDBname.'UserID', $this->mId, $exp, $wgCookiePath, $wgCookieDomain );
 682
 683                 $_SESSION['wsUserName'] = $this->mName;
 684                 setcookie( $wgDBname.'UserName', $this->mName, $exp, $wgCookiePath, $wgCookieDomain );
 685
 686                 $_SESSION['wsToken'] = $this->mToken;
 687                 if ( 1 == $this->getOption( 'rememberpassword' ) ) {
 688                         setcookie( $wgDBname.'Token', $this->mToken, $exp, $wgCookiePath, $wgCookieDomain );
 689                 } else {
 690                         setcookie( $wgDBname.'Token', '', time() - 3600 );
 691                 }
 692         }
 693
 694         /**
 695          * Logout user
 696          * It will clean the session cookie
 697          */
 698         function logout() {
 699                 global $wgCookiePath, $wgCookieDomain, $wgDBname, $wgIP;
 700                 $this->loadDefaults();
 701                 $this->setLoaded( true );
 702
 703                 $_SESSION['wsUserID'] = 0;
 704
 705                 setcookie( $wgDBname.'UserID', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 706                 setcookie( $wgDBname.'Token', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 707         }
 708
 709         /**
 710          * Save object settings into database
 711          */
 712         function saveSettings() {
 713                 global $wgMemc, $wgDBname;
 714                 $fname = 'User::saveSettings';
 715
 716                 $dbw =& wfGetDB( DB_MASTER );
 717                 if ( ! $this->mNewtalk ) {
 718                         # Delete user_newtalk row
 719                         if( $this->mId ) {
 720                                 $dbw->delete( 'user_newtalk', array( 'user_id' => $this->mId ), $fname );
 721                         } else {
 722                                 $dbw->delete( 'user_newtalk', array( 'user_ip' => $this->mName ), $fname );
 723                                 $wgMemc->delete( "$wgDBname:newtalk:ip:{$this->mName}" );
 724                         }
 725                 }
 726                 if ( 0 == $this->mId ) { return; }
 727
 728                 $dbw->update( 'user',
 729                         array( /* SET */
 730                                 'user_name' => $this->mName,
 731                                 'user_password' => $this->mPassword,
 732                                 'user_newpassword' => $this->mNewpassword,
 733                                 'user_real_name' => $this->mRealName,
 734                                 'user_email' => $this->mEmail,
 735                                 'user_options' => $this->encodeOptions(),
 736                                 'user_touched' => $dbw->timestamp($this->mTouched),
 737                                 'user_token' => $this->mToken
 738                         ), array( /* WHERE */
 739                                 'user_id' => $this->mId
 740                         ), $fname
 741                 );
 742                 $dbw->set( 'user_rights', 'user_rights', implode( ",", $this->mRights ),
 743                         'user_id='. $this->mId, $fname );
 744                 $wgMemc->delete( "$wgDBname:user:id:$this->mId" );
 745         }
 746
 747         /**
 748          * Checks if a user with the given name exists, returns the ID
 749          */
 750         function idForName() {
 751                 $fname = 'User::idForName';
 752
 753                 $gotid = 0;
 754                 $s = trim( $this->mName );
 755                 if ( 0 == strcmp( '', $s ) ) return 0;
 756
 757                 $dbr =& wfGetDB( DB_SLAVE );
 758                 $id = $dbr->selectField( 'user', 'user_id', array( 'user_name' => $s ), $fname );
 759                 if ( $id === false ) {
 760                         $id = 0;
 761                 }
 762                 return $id;
 763         }
 764
 765         /**
 766          * Add user object to the database
 767          */
 768         function addToDatabase() {
 769                 $fname = 'User::addToDatabase';
 770                 $dbw =& wfGetDB( DB_MASTER );
 771                 $seqVal = $dbw->nextSequenceValue( 'user_user_id_seq' );
 772                 $dbw->insert( 'user',
 773                         array(
 774                                 'user_id' => $seqVal,
 775                                 'user_name' => $this->mName,
 776                                 'user_password' => $this->mPassword,
 777                                 'user_newpassword' => $this->mNewpassword,
 778                                 'user_email' => $this->mEmail,
 779                                 'user_real_name' => $this->mRealName,
 780                                 'user_options' => $this->encodeOptions(),
 781                                 'user_token' => $this->mToken
 782                         ), $fname
 783                 );
 784                 $this->mId = $dbw->insertId();
 785                 $dbw->insert( 'user_rights',
 786                         array(
 787                                 'user_id' => $this->mId,
 788                                 'user_rights' => implode( ',', $this->mRights )
 789                         ), $fname
 790                 );
 791
 792         }
 793
 794         function spreadBlock() {
 795                 global $wgIP;
 796                 # If the (non-anonymous) user is blocked, this function will block any IP address
 797                 # that they successfully log on from.
 798                 $fname = 'User::spreadBlock';
 799
 800                 wfDebug( "User:spreadBlock()\n" );
 801                 if ( $this->mId == 0 ) {
 802                         return;
 803                 }
 804
 805                 $userblock = Block::newFromDB( '', $this->mId );
 806                 if ( !$userblock->isValid() ) {
 807                         return;
 808                 }
 809
 810                 # Check if this IP address is already blocked
 811                 $ipblock = Block::newFromDB( $wgIP );
 812                 if ( $ipblock->isValid() ) {
 813                         # Just update the timestamp
 814                         $ipblock->updateTimestamp();
 815                         return;
 816                 }
 817
 818                 # Make a new block object with the desired properties
 819                 wfDebug( "Autoblocking {$this->mName}@{$wgIP}\n" );
 820                 $ipblock->mAddress = $wgIP;
 821                 $ipblock->mUser = 0;
 822                 $ipblock->mBy = $userblock->mBy;
 823                 $ipblock->mReason = wfMsg( 'autoblocker', $this->getName(), $userblock->mReason );
 824                 $ipblock->mTimestamp = wfTimestampNow();
 825                 $ipblock->mAuto = 1;
 826                 # If the user is already blocked with an expiry date, we don't
 827                 # want to pile on top of that!
 828                 if($userblock->mExpiry) {
 829                         $ipblock->mExpiry = min ( $userblock->mExpiry, Block::getAutoblockExpiry( $ipblock->mTimestamp ));
 830                 } else {
 831                         $ipblock->mExpiry = Block::getAutoblockExpiry( $ipblock->mTimestamp );
 832                 }
 833
 834                 # Insert it
 835                 $ipblock->insert();
 836
 837         }
 838
 839         function getPageRenderingHash() {
 840         global $wgContLang;
 841                 if( $this->mHash ){
 842                         return $this->mHash;
 843                 }
 844
 845                 // stubthreshold is only included below for completeness,
 846                 // it will always be 0 when this function is called by parsercache.
 847
 848                 $confstr =        $this->getOption( 'math' );
 849                 $confstr .= '!' . $this->getOption( 'highlightbroken' );
 850                 $confstr .= '!' . $this->getOption( 'stubthreshold' );
 851                 $confstr .= '!' . $this->getOption( 'editsection' );
 852                 $confstr .= '!' . $this->getOption( 'editsectiononrightclick' );
 853                 $confstr .= '!' . $this->getOption( 'showtoc' );
 854                 $confstr .= '!' . $this->getOption( 'date' );
 855                 $confstr .= '!' . $this->getOption( 'numberheadings' );
 856
 857         // add in language variant option if there are multiple variants
 858         // supported by the language object
 859         if(sizeof($wgContLang->getVariants())>1) {
 860              $confstr .= '!' . $this->getOption( 'variant' );
 861         }
 862
 863                 $this->mHash = $confstr;
 864                 return $confstr ;
 865         }
 866
 867         function isAllowedToCreateAccount() {
 868                 global $wgWhitelistAccount;
 869                 $allowed = false;
 870
 871                 if (!$wgWhitelistAccount) { return 1; }; // default behaviour
 872                 foreach ($wgWhitelistAccount as $right => $ok) {
 873                         $userHasRight = (!strcmp($right, 'user') || in_array($right, $this->getRights()));
 874                         $allowed |= ($ok && $userHasRight);
 875                 }
 876                 return $allowed;
 877         }
 878
 879         /**
 880          * Set mDataLoaded, return previous value
 881          * Use this to prevent DB access in command-line scripts or similar situations
 882          */
 883         function setLoaded( $loaded ) {
 884                 return wfSetVar( $this->mDataLoaded, $loaded );
 885         }
 886
 887         function getUserPage() {
 888                 return Title::makeTitle( NS_USER, $this->mName );
 889         }
 890
 891         /**
 892          * @static
 893          */
 894         function getMaxID() {
 895                 $dbr =& wfGetDB( DB_SLAVE );
 896                 return $dbr->selectField( 'user', 'max(user_id)', false );
 897         }
 898
 899         /**
 900          * Determine whether the user is a newbie. Newbies are either
 901          * anonymous IPs, or the 1% most recently created accounts.
 902          * Bots and sysops are excluded.
 903          * @return bool True if it is a newbie.
 904          */
 905         function isNewbie() {
 906                 return $this->mId > User::getMaxID() * 0.99 && !$this->isSysop() && !$this->isBot() || $this->getID() == 0;
 907         }
 908
 909         /**
 910          * Check to see if the given clear-text password is one of the accepted passwords
 911          * @param string $password User password.
 912          * @return bool True if the given password is correct otherwise False.
 913          */
 914         function checkPassword( $password ) {
 915                 $this->loadFromDatabase();
 916                 $ep = $this->encryptPassword( $password );
 917                 if ( 0 == strcmp( $ep, $this->mPassword ) ) {
 918                         return true;
 919                 } elseif ( 0 == strcmp( $ep, $this->mNewpassword ) ) {
 920                         return true;
 921                 } elseif ( function_exists( 'iconv' ) ) {
 922                         # Some wikis were converted from ISO 8859-1 to UTF-8, the passwords can't be converted
 923                         # Check for this with iconv
 924 /*                      $cp1252hash = $this->encryptPassword( iconv( 'UTF-8', 'WINDOWS-1252', $password ) );
 925                         if ( 0 == strcmp( $cp1252hash, $this->mPassword ) ) {
 926                                 return true;
 927                         }*/
 928                 }
 929                 return false;
 930         }
 931 }
 932
 933 ?>