includes/User.php

   1 <?php
   2 /**
   3  * See user.doc
   4  *
   5  */
   6
   7 /**
   8  *
   9  */
  10 require_once( 'WatchedItem.php' );
  11
  12 /**
  13  *
  14  */
  15 class User {
  16         /* private */ var $mId, $mName, $mPassword, $mEmail, $mNewtalk;
  17         /* private */ var $mRights, $mOptions;
  18         /* private */ var $mDataLoaded, $mNewpassword;
  19         /* private */ var $mSkin;
  20         /* private */ var $mBlockedby, $mBlockreason;
  21         /* private */ var $mTouched;
  22         /* private */ var $mCookiePassword;
  23         /* private */ var $mRealName;
  24         /* private */ var $mHash;
  25
  26         function User() {
  27                 $this->loadDefaults();
  28         }
  29
  30         /**
  31          * Static factory method
  32          * @static
  33          */
  34         function newFromName( $name ) {
  35                 $u = new User();
  36
  37                 # Clean up name according to title rules
  38
  39                 $t = Title::newFromText( $name );
  40                 $u->setName( $t->getText() );
  41                 return $u;
  42         }
  43
  44         /**
  45          * @static
  46          */
  47         function whoIs( $id )   {
  48                 $dbr =& wfGetDB( DB_SLAVE );
  49                 return $dbr->getField( 'user', 'user_name', array( 'user_id' => $id ) );
  50         }
  51
  52         /**
  53          * @static
  54          */
  55         function whoIsReal( $id )       {
  56                 $dbr =& wfGetDB( DB_SLAVE );
  57                 return $dbr->getField( 'user', 'user_real_name', array( 'user_id' => $id ) );
  58         }
  59
  60         /**
  61          * @static
  62          */
  63         function idFromName( $name ) {
  64                 $fname = "User::idFromName";
  65
  66                 $nt = Title::newFromText( $name );
  67                 if( is_null( $nt ) ) {
  68                         # Illegal name
  69                         return null;
  70                 }
  71                 $dbr =& wfGetDB( DB_SLAVE );
  72                 $s = $dbr->getArray( 'user', array( 'user_id' ), array( 'user_name' => $nt->getText() ), $fname );
  73
  74                 if ( $s === false ) {
  75                         return 0;
  76                 } else {
  77                         return $s->user_id;
  78                 }
  79         }
  80
  81         /**
  82          * does the string match an anonymous user IP address?
  83          * @static
  84          */
  85         function isIP( $name ) {
  86                 return preg_match("/^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/",$name);
  87         }
  88
  89         /**
  90          * static
  91          */
  92         function randomPassword() {
  93                 $pwchars = 'ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz';
  94                 $l = strlen( $pwchars ) - 1;
  95
  96                 $np = $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
  97                   $pwchars{mt_rand( 0, $l )} . chr( mt_rand(48, 57) ) .
  98                   $pwchars{mt_rand( 0, $l )} . $pwchars{mt_rand( 0, $l )} .
  99                   $pwchars{mt_rand( 0, $l )};
 100                 return $np;
 101         }
 102
 103         /**
 104          *
 105          */
 106         function loadDefaults() {
 107                 global $wgLang, $wgIP;
 108                 global $wgNamespacesToBeSearchedDefault;
 109
 110                 $this->mId = $this->mNewtalk = 0;
 111                 $this->mName = $wgIP;
 112                 $this->mRealName = $this->mEmail = '';
 113                 $this->mPassword = $this->mNewpassword = '';
 114                 $this->mRights = array();
 115                 $defOpt = $wgLang->getDefaultUserOptions() ;
 116                 foreach ( $defOpt as $oname => $val ) {
 117                         $this->mOptions[$oname] = $val;
 118                 }
 119                 foreach ($wgNamespacesToBeSearchedDefault as $nsnum => $val) {
 120                         $this->mOptions['searchNs'.$nsnum] = $val;
 121                 }
 122                 unset( $this->mSkin );
 123                 $this->mDataLoaded = false;
 124                 $this->mBlockedby = -1; # Unset
 125                 $this->mTouched = '0'; # Allow any pages to be cached
 126                 $this->cookiePassword = '';
 127                 $this->mHash = false;
 128         }
 129
 130         /**
 131          * @access private
 132          */
 133         function getBlockedStatus() {
 134                 global $wgIP, $wgBlockCache, $wgProxyList;
 135
 136                 if ( -1 != $this->mBlockedby ) { return; }
 137
 138                 $this->mBlockedby = 0;
 139
 140                 # User blocking
 141                 if ( $this->mId ) {
 142                         $block = new Block();
 143                         if ( $block->load( $wgIP , $this->mId ) ) {
 144                                 $this->mBlockedby = $block->mBy;
 145                                 $this->mBlockreason = $block->mReason;
 146                         }
 147                 }
 148
 149                 # IP/range blocking
 150                 if ( !$this->mBlockedby ) {
 151                         $block = $wgBlockCache->get( $wgIP );
 152                         if ( $block !== false ) {
 153                                 $this->mBlockedby = $block->mBy;
 154                                 $this->mBlockreason = $block->mReason;
 155                         }
 156                 }
 157
 158                 # Proxy blocking
 159                 if ( !$this->mBlockedby ) {
 160                         if ( array_key_exists( $wgIP, $wgProxyList ) ) {
 161                                 $this->mBlockreason = wfMsg( 'proxyblockreason' );
 162                                 $this->mBlockedby = "Proxy blocker";
 163                         }
 164                 }
 165         }
 166
 167         function isBlocked() {
 168                 $this->getBlockedStatus();
 169                 if ( 0 === $this->mBlockedby ) { return false; }
 170                 return true;
 171         }
 172
 173         function blockedBy() {
 174                 $this->getBlockedStatus();
 175                 return $this->mBlockedby;
 176         }
 177
 178         function blockedFor() {
 179                 $this->getBlockedStatus();
 180                 return $this->mBlockreason;
 181         }
 182
 183         function SetupSession() {
 184                 global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain;
 185                 if( $wgSessionsInMemcached ) {
 186                         require_once( 'MemcachedSessions.php' );
 187                 } elseif( 'files' != ini_get( 'session.save_handler' ) ) {
 188                         # If it's left on 'user' or another setting from another
 189                         # application, it will end up failing. Try to recover.
 190                         ini_set ( 'session.save_handler', 'files' );
 191                 }
 192                 session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain );
 193                 session_cache_limiter( 'private, must-revalidate' );
 194                 @session_start();
 195         }
 196
 197         /**
 198          * @static
 199          */
 200         function loadFromSession() {
 201                 global $wgMemc, $wgDBname;
 202
 203                 if ( isset( $_SESSION['wsUserID'] ) ) {
 204                         if ( 0 != $_SESSION['wsUserID'] ) {
 205                                 $sId = $_SESSION['wsUserID'];
 206                         } else {
 207                                 return new User();
 208                         }
 209                 } else if ( isset( $_COOKIE["{$wgDBname}UserID"] ) ) {
 210                         $sId = IntVal( $_COOKIE["{$wgDBname}UserID"] );
 211                         $_SESSION['wsUserID'] = $sId;
 212                 } else {
 213                         return new User();
 214                 }
 215                 if ( isset( $_SESSION['wsUserName'] ) ) {
 216                         $sName = $_SESSION['wsUserName'];
 217                 } else if ( isset( $_COOKIE["{$wgDBname}UserName"] ) ) {
 218                         $sName = $_COOKIE["{$wgDBname}UserName"];
 219                         $_SESSION['wsUserName'] = $sName;
 220                 } else {
 221                         return new User();
 222                 }
 223
 224                 $passwordCorrect = FALSE;
 225                 $user = $wgMemc->get( $key = "$wgDBname:user:id:$sId" );
 226                 if($makenew = !$user) {
 227                         wfDebug( "User::loadFromSession() unable to load from memcached\n" );
 228                         $user = new User();
 229                         $user->mId = $sId;
 230                         $user->loadFromDatabase();
 231                 } else {
 232                         wfDebug( "User::loadFromSession() got from cache!\n" );
 233                 }
 234
 235                 if ( isset( $_SESSION['wsUserPassword'] ) ) {
 236                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 237                 } else if ( isset( $_COOKIE["{$wgDBname}Password"] ) ) {
 238                         $user->mCookiePassword = $_COOKIE["{$wgDBname}Password"];
 239                         $_SESSION['wsUserPassword'] = $user->addSalt( $user->mCookiePassword );
 240                         $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
 241                 } else {
 242                         return new User(); # Can't log in from session
 243                 }
 244
 245                 if ( ( $sName == $user->mName ) && $passwordCorrect ) {
 246                         if($makenew) {
 247                                 if($wgMemc->set( $key, $user ))
 248                                         wfDebug( "User::loadFromSession() successfully saved user\n" );
 249                                 else
 250                                         wfDebug( "User::loadFromSession() unable to save to memcached\n" );
 251                         }
 252                         $user->spreadBlock();
 253                         return $user;
 254                 }
 255                 return new User(); # Can't log in from session
 256         }
 257
 258         /**
 259          *
 260          */
 261         function loadFromDatabase() {
 262                 global $wgCommandLineMode;
 263                 $fname = "User::loadFromDatabase";
 264                 if ( $this->mDataLoaded || $wgCommandLineMode ) {
 265                         return;
 266                 }
 267
 268                 # Paranoia
 269                 $this->mId = IntVal( $this->mId );
 270
 271                 # check in separate table if there are changes to the talk page
 272                 $this->mNewtalk=0; # reset talk page status
 273                 $dbr =& wfGetDB( DB_SLAVE );
 274                 if($this->mId) {
 275                         $res = $dbr->select( 'user_newtalk', 1, array( 'user_id' => $this->mId ), $fname );
 276
 277                         if ( $dbr->numRows($res)>0 ) {
 278                                 $this->mNewtalk= 1;
 279                         }
 280                         $dbr->freeResult( $res );
 281                 } else {
 282                         global $wgDBname, $wgMemc;
 283                         $key = "$wgDBname:newtalk:ip:{$this->mName}";
 284                         $newtalk = $wgMemc->get( $key );
 285                         if( ! is_integer( $newtalk ) ){
 286                                 $res = $dbr->select( 'user_newtalk', 1, array( 'user_ip' => $this->mName ), $fname );
 287
 288                                 $this->mNewtalk = $dbr->numRows( $res ) > 0 ? 1 : 0;
 289                                 $dbr->freeResult( $res );
 290
 291                                 $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
 292                         } else {
 293                                 $this->mNewtalk = $newtalk ? 1 : 0;
 294                         }
 295                 }
 296                 if(!$this->mId) {
 297                         $this->mDataLoaded = true;
 298                         return;
 299                 } # the following stuff is for non-anonymous users only
 300
 301                 $s = $dbr->getArray( 'user', array( 'user_name','user_password','user_newpassword','user_email',
 302                   'user_real_name','user_options','user_touched' ),
 303                   array( 'user_id' => $this->mId ), $fname );
 304
 305                 if ( $s !== false ) {
 306                         $this->mName = $s->user_name;
 307                         $this->mEmail = $s->user_email;
 308                         $this->mRealName = $s->user_real_name;
 309                         $this->mPassword = $s->user_password;
 310                         $this->mNewpassword = $s->user_newpassword;
 311                         $this->decodeOptions( $s->user_options );
 312                         $this->mTouched = wfTimestamp(TS_MW,$s->user_touched);
 313                         $this->mRights = explode( ",", strtolower(
 314                                 $dbr->getField( 'user_rights', 'user_rights', array( 'user_id' => $this->mId ) )
 315                         ) );
 316                 }
 317
 318                 $this->mDataLoaded = true;
 319         }
 320
 321         function getID() { return $this->mId; }
 322         function setID( $v ) {
 323                 $this->mId = $v;
 324                 $this->mDataLoaded = false;
 325         }
 326
 327         function getName() {
 328                 $this->loadFromDatabase();
 329                 return $this->mName;
 330         }
 331
 332         function setName( $str ) {
 333                 $this->loadFromDatabase();
 334                 $this->mName = $str;
 335         }
 336
 337         function getNewtalk() {
 338                 $this->loadFromDatabase();
 339                 return ( 0 != $this->mNewtalk );
 340         }
 341
 342         function setNewtalk( $val )
 343         {
 344                 $this->loadFromDatabase();
 345                 $this->mNewtalk = $val;
 346                 $this->invalidateCache();
 347         }
 348
 349         function invalidateCache() {
 350                 $this->loadFromDatabase();
 351                 $this->mTouched = wfTimestampNow();
 352                 # Don't forget to save the options after this or
 353                 # it won't take effect!
 354         }
 355
 356         function validateCache( $timestamp ) {
 357                 $this->loadFromDatabase();
 358                 return ($timestamp >= $this->mTouched);
 359         }
 360
 361         function addSalt( $p ) {
 362                 global $wgPasswordSalt;
 363                 if($wgPasswordSalt)
 364                         return md5( "{$this->mId}-{$p}" );
 365                 else
 366                         return $p;
 367         }
 368
 369         function encryptPassword( $p ) {
 370                 return $this->addSalt( md5( $p ) );
 371         }
 372
 373         function setPassword( $str ) {
 374                 $this->loadFromDatabase();
 375                 $this->setCookiePassword( $str );
 376                 $this->mPassword = $this->encryptPassword( $str );
 377                 $this->mNewpassword = '';
 378         }
 379
 380         function setCookiePassword( $str ) {
 381                 $this->loadFromDatabase();
 382                 $this->mCookiePassword = md5( $str );
 383         }
 384
 385         function setNewpassword( $str ) {
 386                 $this->loadFromDatabase();
 387                 $this->mNewpassword = $this->encryptPassword( $str );
 388         }
 389
 390         function getEmail() {
 391                 $this->loadFromDatabase();
 392                 return $this->mEmail;
 393         }
 394
 395         function setEmail( $str ) {
 396                 $this->loadFromDatabase();
 397                 $this->mEmail = $str;
 398         }
 399
 400         function getRealName() {
 401                 $this->loadFromDatabase();
 402                 return $this->mRealName;
 403         }
 404
 405         function setRealName( $str ) {
 406                 $this->loadFromDatabase();
 407                 $this->mRealName = $str;
 408         }
 409
 410         function getOption( $oname ) {
 411                 $this->loadFromDatabase();
 412                 if ( array_key_exists( $oname, $this->mOptions ) ) {
 413                         return $this->mOptions[$oname];
 414                 } else {
 415                         return '';
 416                 }
 417         }
 418
 419         function setOption( $oname, $val ) {
 420                 $this->loadFromDatabase();
 421                 if ( $oname == 'skin' ) {
 422                         # Clear cached skin, so the new one displays immediately in Special:Preferences
 423                         unset( $this->mSkin );
 424                 }
 425                 $this->mOptions[$oname] = $val;
 426                 $this->invalidateCache();
 427         }
 428
 429         function getRights() {
 430                 $this->loadFromDatabase();
 431                 return $this->mRights;
 432         }
 433
 434         function addRight( $rname )     {
 435                 $this->loadFromDatabase();
 436                 array_push( $this->mRights, $rname );
 437                 $this->invalidateCache();
 438         }
 439
 440         function isSysop() {
 441                 $this->loadFromDatabase();
 442                 if ( 0 == $this->mId ) { return false; }
 443
 444                 return in_array( 'sysop', $this->mRights );
 445         }
 446
 447         function isDeveloper() {
 448                 $this->loadFromDatabase();
 449                 if ( 0 == $this->mId ) { return false; }
 450
 451                 return in_array( 'developer', $this->mRights );
 452         }
 453
 454         function isBureaucrat() {
 455                 $this->loadFromDatabase();
 456                 if ( 0 == $this->mId ) { return false; }
 457
 458                 return in_array( 'bureaucrat', $this->mRights );
 459         }
 460
 461         function isBot() {
 462                 $this->loadFromDatabase();
 463
 464                 # Why was this here? I need a UID=0 conversion script [TS]
 465                 # if ( 0 == $this->mId ) { return false; }
 466
 467                 return in_array( 'bot', $this->mRights );
 468         }
 469
 470         /**
 471          * Load a skin if it doesn't exist or return it
 472          * @todo FIXME : need to check the old failback system [AV]
 473          */
 474         function &getSkin() {
 475                 global $IP, $wgUsePHPTal;
 476                 if ( ! isset( $this->mSkin ) ) {
 477                         # get all skin names available
 478                         $skinNames = Skin::getSkinNames();
 479                         # get the user skin
 480                         $userSkin = $this->getOption( 'skin' );
 481                         if ( $userSkin == '' ) { $userSkin = 'standard'; }
 482
 483                         if ( !isset( $skinNames[$userSkin] ) ) {
 484                                 # in case the user skin could not be found find a replacement
 485                                 $fallback = array(
 486                                         0 => 'Standard',
 487                                         1 => 'Nostalgia',
 488                                         2 => 'CologneBlue');
 489                                 # if phptal is enabled we should have monobook skin that
 490                                 # superseed the good old SkinStandard.
 491                                 if ( isset( $skinNames['monobook'] ) ) {
 492                                         $fallback[0] = 'MonoBook';
 493                                 }
 494
 495                                 if(is_numeric($userSkin) && isset( $fallback[$userSkin]) ){
 496                                         $sn = $fallback[$userSkin];
 497                                 } else {
 498                                         $sn = 'Standard';
 499                                 }
 500                         } else {
 501                                 # The user skin is available
 502                                 $sn = $skinNames[$userSkin];
 503                         }
 504
 505                         # Grab the skin class and initialise it. Each skin checks for PHPTal
 506                         # and will not load if it's not enabled.
 507                         require_once( $IP.'/skins/'.$sn.'.php' );
 508
 509                         # Check if we got if not failback to default skin
 510                         $sn = 'Skin'.$sn;
 511                         if(!class_exists($sn)) {
 512                                 #FIXME : should we print an error message instead of loading
 513                                 # standard skin ?
 514                                 $sn = 'SkinStandard';
 515                                 require_once( $IP.'/skins/Standard.php' );
 516                         }
 517                         $this->mSkin = new $sn;
 518                 }
 519                 return $this->mSkin;
 520         }
 521
 522         function isWatched( $title ) {
 523                 $wl = WatchedItem::fromUserTitle( $this, $title );
 524                 return $wl->isWatched();
 525         }
 526
 527         function addWatch( $title ) {
 528                 $wl = WatchedItem::fromUserTitle( $this, $title );
 529                 $wl->addWatch();
 530                 $this->invalidateCache();
 531         }
 532
 533         function removeWatch( $title ) {
 534                 $wl = WatchedItem::fromUserTitle( $this, $title );
 535                 $wl->removeWatch();
 536                 $this->invalidateCache();
 537         }
 538
 539
 540         /**
 541          * @access private
 542          */
 543         function encodeOptions() {
 544                 $a = array();
 545                 foreach ( $this->mOptions as $oname => $oval ) {
 546                         array_push( $a, $oname.'='.$oval );
 547                 }
 548                 $s = implode( "\n", $a );
 549                 return $s;
 550         }
 551
 552         /**
 553          * @access private
 554          */
 555         function decodeOptions( $str ) {
 556                 $a = explode( "\n", $str );
 557                 foreach ( $a as $s ) {
 558                         if ( preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
 559                                 $this->mOptions[$m[1]] = $m[2];
 560                         }
 561                 }
 562         }
 563
 564         function setCookies() {
 565                 global $wgCookieExpiration, $wgCookiePath, $wgCookieDomain, $wgDBname;
 566                 if ( 0 == $this->mId ) return;
 567                 $this->loadFromDatabase();
 568                 $exp = time() + $wgCookieExpiration;
 569
 570                 $_SESSION['wsUserID'] = $this->mId;
 571                 setcookie( $wgDBname.'UserID', $this->mId, $exp, $wgCookiePath, $wgCookieDomain );
 572
 573                 $_SESSION['wsUserName'] = $this->mName;
 574                 setcookie( $wgDBname.'UserName', $this->mName, $exp, $wgCookiePath, $wgCookieDomain );
 575
 576                 $_SESSION['wsUserPassword'] = $this->mPassword;
 577                 if ( 1 == $this->getOption( 'rememberpassword' ) ) {
 578                         setcookie( $wgDBname.'Password', $this->mCookiePassword, $exp, $wgCookiePath, $wgCookieDomain );
 579                 } else {
 580                         setcookie( $wgDBname.'Password', '', time() - 3600 );
 581                 }
 582         }
 583
 584         function logout() {
 585                 global $wgCookiePath, $wgCookieDomain, $wgDBname;
 586                 $this->mId = 0;
 587
 588                 $_SESSION['wsUserID'] = 0;
 589
 590                 setcookie( $wgDBname.'UserID', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 591                 setcookie( $wgDBname.'Password', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
 592         }
 593
 594         function saveSettings() {
 595                 global $wgMemc, $wgDBname;
 596                 $fname = 'User::saveSettings';
 597
 598                 $dbw =& wfGetDB( DB_MASTER );
 599                 if ( ! $this->mNewtalk ) {
 600                         # Delete user_newtalk row
 601                         if( $this->mId ) {
 602                                 $dbw->delete( 'user_newtalk', array( 'user_id' => $this->mId ), $fname );
 603                         } else {
 604                                 $dbw->delete( 'user_newtalk', array( 'user_ip' => $this->mName ), $fname );
 605                                 $wgMemc->delete( "$wgDBname:newtalk:ip:{$this->mName}" );
 606                         }
 607                 }
 608                 if ( 0 == $this->mId ) { return; }
 609
 610                 $dbw->update( 'user',
 611                         array( /* SET */
 612                                 'user_name' => $this->mName,
 613                                 'user_password' => $this->mPassword,
 614                                 'user_newpassword' => $this->mNewpassword,
 615                                 'user_real_name' => $this->mRealName,
 616                                 'user_email' => $this->mEmail,
 617                                 'user_options' => $this->encodeOptions(),
 618                                 'user_touched' => $dbw->timestamp($this->mTouched)
 619                         ), array( /* WHERE */
 620                                 'user_id' => $this->mId
 621                         ), $fname
 622                 );
 623                 $dbw->set( 'user_rights', 'user_rights', implode( ",", $this->mRights ),
 624                         'user_id='. $this->mId, $fname );
 625                 $wgMemc->delete( "$wgDBname:user:id:$this->mId" );
 626         }
 627
 628         /**
 629          * Checks if a user with the given name exists, returns the ID
 630          */
 631         function idForName() {
 632                 $fname = 'User::idForName';
 633
 634                 $gotid = 0;
 635                 $s = trim( $this->mName );
 636                 if ( 0 == strcmp( '', $s ) ) return 0;
 637
 638                 $dbr =& wfGetDB( DB_SLAVE );
 639                 $id = $dbr->selectField( 'user', 'user_id', array( 'user_name' => $s ), $fname );
 640                 if ( $id === false ) {
 641                         $id = 0;
 642                 }
 643                 return $id;
 644         }
 645
 646         function addToDatabase() {
 647                 $fname = 'User::addToDatabase';
 648                 $dbw =& wfGetDB( DB_MASTER );
 649                 $seqVal = $dbw->nextSequenceValue( 'user_user_id_seq' );
 650                 $dbw->insert( 'user',
 651                         array(
 652                                 'user_id' => $seqVal,
 653                                 'user_name' => $this->mName,
 654                                 'user_password' => $this->mPassword,
 655                                 'user_newpassword' => $this->mNewpassword,
 656                                 'user_email' => $this->mEmail,
 657                                 'user_real_name' => $this->mRealName,
 658                                 'user_options' => $this->encodeOptions()
 659                         ), $fname
 660                 );
 661                 $this->mId = $dbw->insertId();
 662                 $dbw->insert( 'user_rights',
 663                         array(
 664                                 'user_id' => $this->mId,
 665                                 'user_rights' => implode( ',', $this->mRights )
 666                         ), $fname
 667                 );
 668
 669         }
 670
 671         function spreadBlock() {
 672                 global $wgIP;
 673                 # If the (non-anonymous) user is blocked, this function will block any IP address
 674                 # that they successfully log on from.
 675                 $fname = 'User::spreadBlock';
 676
 677                 wfDebug( "User:spreadBlock()\n" );
 678                 if ( $this->mId == 0 ) {
 679                         return;
 680                 }
 681
 682                 $userblock = Block::newFromDB( '', $this->mId );
 683                 if ( !$userblock->isValid() ) {
 684                         return;
 685                 }
 686
 687                 # Check if this IP address is already blocked
 688                 $ipblock = Block::newFromDB( $wgIP );
 689                 if ( $ipblock->isValid() ) {
 690                         # Just update the timestamp
 691                         $ipblock->updateTimestamp();
 692                         return;
 693                 }
 694
 695                 # Make a new block object with the desired properties
 696                 wfDebug( "Autoblocking {$this->mName}@{$wgIP}\n" );
 697                 $ipblock->mAddress = $wgIP;
 698                 $ipblock->mUser = 0;
 699                 $ipblock->mBy = $userblock->mBy;
 700                 $ipblock->mReason = wfMsg( 'autoblocker', $this->getName(), $userblock->mReason );
 701                 $ipblock->mTimestamp = wfTimestampNow();
 702                 $ipblock->mAuto = 1;
 703                 # If the user is already blocked with an expiry date, we don't
 704                 # want to pile on top of that!
 705                 if($userblock->mExpiry) {
 706                         $ipblock->mExpiry = min ( $userblock->mExpiry, Block::getAutoblockExpiry( $ipblock->mTimestamp ));
 707                 } else {
 708                         $ipblock->mExpiry = Block::getAutoblockExpiry( $ipblock->mTimestamp );
 709                 }
 710
 711                 # Insert it
 712                 $ipblock->insert();
 713
 714         }
 715
 716         function getPageRenderingHash() {
 717                 if( $this->mHash ){
 718                         return $this->mHash;
 719                 }
 720
 721                 // stubthreshold is only included below for completeness,
 722                 // it will always be 0 when this function is called by parsercache.
 723
 724                 $confstr =        $this->getOption( 'math' );
 725                 $confstr .= '!' . $this->getOption( 'highlightbroken' );
 726                 $confstr .= '!' . $this->getOption( 'stubthreshold' );
 727                 $confstr .= '!' . $this->getOption( 'editsection' );
 728                 $confstr .= '!' . $this->getOption( 'editsectiononrightclick' );
 729                 $confstr .= '!' . $this->getOption( 'showtoc' );
 730                 $confstr .= '!' . $this->getOption( 'date' );
 731                 $confstr .= '!' . $this->getOption( 'numberheadings' );
 732
 733                 $this->mHash = $confstr;
 734                 return $confstr ;
 735         }
 736
 737         function isAllowedToCreateAccount() {
 738                 global $wgWhitelistAccount;
 739                 $allowed = false;
 740
 741                 if (!$wgWhitelistAccount) { return 1; }; // default behaviour
 742                 foreach ($wgWhitelistAccount as $right => $ok) {
 743                         $userHasRight = (!strcmp($right, 'user') || in_array($right, $this->getRights()));
 744                         $allowed |= ($ok && $userHasRight);
 745                 }
 746                 return $allowed;
 747         }
 748
 749         /**
 750          * Set mDataLoaded, return previous value
 751          * Use this to prevent DB access in command-line scripts or similar situations
 752          */
 753         function setLoaded( $loaded ) {
 754                 return wfSetVar( $this->mDataLoaded, $loaded );
 755         }
 756
 757         function getUserPage() {
 758                 return Title::makeTitle( NS_USER, $this->mName );
 759         }
 760
 761         /**
 762          * @static
 763          */
 764         function getMaxID() {
 765                 $dbr =& wfGetDB( DB_SLAVE );
 766                 return $dbr->selectField( 'user', 'max(user_id)', false );
 767         }
 768
 769         function isNewbie() {
 770                 return $this->mId > User::getMaxID() * 0.99 && !$this->isSysop() && !$this->isBot() || $this->getID() == 0;
 771         }
 772
 773         /**
 774          * Check to see if the given clear-text password is one of the accepted passwords
 775          */
 776         function checkPassword( $password ) {
 777                 $this->loadFromDatabase();
 778                 $ep = $this->encryptPassword( $password );
 779                 if ( 0 == strcmp( $ep, $this->mPassword ) ) {
 780                         return true;
 781                 } elseif ( 0 == strcmp( $ep, $this->mNewpassword ) ) {
 782                         return true;
 783                 } elseif ( function_exists( 'iconv' ) ) {
 784                         # Some wikis were converted from ISO 8859-1 to UTF-8, the passwords can't be converted
 785                         # Check for this with iconv
 786 /*                      $cp1252hash = $this->encryptPassword( iconv( 'UTF-8', 'WINDOWS-1252', $password ) );
 787                         if ( 0 == strcmp( $cp1252hash, $this->mPassword ) ) {
 788                                 return true;
 789                         }*/
 790                 }
 791                 return false;
 792         }
 793 }
 794
 795 ?>