New updateSpecialPages.php script, to update the QueryPage cache. Disabled recache...
[lhc/web/wiklou.git] / includes / User.php
index 82323a8..ae3d43d 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * See user.doc
+ * See user.txt
  *
  * @package MediaWiki
  */
@@ -9,6 +9,10 @@
  *
  */
 require_once( 'WatchedItem.php' );
+require_once( 'Group.php' );
+
+# Number of characters in user_token field
+define( 'USER_TOKEN_LENGTH', 32 );
 
 /**
  *
@@ -19,14 +23,17 @@ class User {
         * @access private
         */
        var $mId, $mName, $mPassword, $mEmail, $mNewtalk;
+       var $mEmailAuthenticationtimestamp;
        var $mRights, $mOptions;
        var $mDataLoaded, $mNewpassword;
        var $mSkin;
        var $mBlockedby, $mBlockreason;
        var $mTouched;
-       var $mCookiePassword;
+       var $mToken;
        var $mRealName;
        var $mHash;
+       /** Array of group id the user belong to */
+       var $mGroups;
        /**#@-*/
 
        /** Construct using User:loadDefaults() */
@@ -49,6 +56,7 @@ class User {
                        return NULL;
                } else {
                        $u->setName( $t->getText() );
+                       $u->setId( $u->idFromName( $t->getText() ) );
                        return $u;
                }
        }
@@ -108,6 +116,21 @@ class User {
                return preg_match("/^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/",$name);
        }
 
+       /**
+        * does the string match roughly an email address ?
+        *
+        * @bug 959
+        *
+        * @param string $addr email address
+        * @static
+        * @return bool
+        */
+       function isValidEmailAddr ( $addr ) {
+               # There used to be a regular expression here, it got removed because it
+               # rejected valid addresses.
+               return true;
+       }
+
        /**
         * probably return a random password
         * @return string probably a random password
@@ -131,51 +154,111 @@ class User {
         * if we have an available language object.
         */
        function loadDefaults() {
-               global $wgLang, $wgIP;
+               static $n=0;
+               $n++;
+               $fname = 'User::loadDefaults' . $n;
+               wfProfileIn( $fname );
+               
+               global $wgContLang, $wgIP, $wgDBname;
                global $wgNamespacesToBeSearchedDefault;
 
-               $this->mId = $this->mNewtalk = 0;
+               $this->mId = 0;
+               $this->mNewtalk = -1;
                $this->mName = $wgIP;
                $this->mRealName = $this->mEmail = '';
+               $this->mEmailAuthenticationtimestamp = 0;
                $this->mPassword = $this->mNewpassword = '';
                $this->mRights = array();
+               $this->mGroups = array();
                // Getting user defaults only if we have an available language
-               if(isset($wgLang)) { $this->loadDefaultFromLanguage(); }
+               if( isset( $wgContLang ) ) {
+                       $this->loadDefaultFromLanguage();
+               }
                
-               foreach ($wgNamespacesToBeSearchedDefault as $nsnum => $val) {
+               foreach( $wgNamespacesToBeSearchedDefault as $nsnum => $val ) {
                        $this->mOptions['searchNs'.$nsnum] = $val;
                }
                unset( $this->mSkin );
                $this->mDataLoaded = false;
                $this->mBlockedby = -1; # Unset
-               $this->mTouched = '0'; # Allow any pages to be cached
-               $this->cookiePassword = '';
+               $this->setToken(); # Random
                $this->mHash = false;
+
+               if ( isset( $_COOKIE[$wgDBname.'LoggedOut'] ) ) {
+                       $this->mTouched = wfTimestamp( TS_MW, $_COOKIE[$wgDBname.'LoggedOut'] );
+               }
+               else {
+                       $this->mTouched = '0'; # Allow any pages to be cached
+               }
+
+               wfProfileOut( $fname );
        }
-       
+
        /**
         * Used to load user options from a language.
         * This is not in loadDefault() cause we sometime create user before having
         * a language object.
         */     
        function loadDefaultFromLanguage(){
-               global $wgLang;
-               $defOpt = $wgLang->getDefaultUserOptions() ;
-               foreach ( $defOpt as $oname => $val ) {
-                       $this->mOptions[$oname] = $val;
-               }               
-        /* so that new user will have a default 
-           language variant set using info from the http header 
-        */
-        $this->setOption('variant', $wgLang->getPreferredVariant());
+               $this->mOptions = User::getDefaultOptions();
+       }
+       
+       /**
+        * Combine the language default options with any site-specific options
+        * and add the default language variants.
+        *
+        * @return array
+        * @static
+        * @access private
+        */
+       function getDefaultOptions() {
+               /**
+                * Site defaults will override the global/language defaults
+                */
+               global $wgContLang, $wgDefaultUserOptions;
+               $defOpt = $wgDefaultUserOptions + $wgContLang->getDefaultUserOptions();
+               
+               /**
+                * default language setting
+                */
+               $variant = $wgContLang->getPreferredVariant();
+               $defOpt['variant'] = $variant;
+               $defOpt['language'] = $variant;
+               
+               return $defOpt;
+       }
+       
+       /**
+        * Get a given default option value.
+        *
+        * @param string $opt
+        * @return string
+        * @static
+        * @access public
+        */
+       function getDefaultOption( $opt ) {
+               $defOpts = User::getDefaultOptions();
+               if( isset( $defOpts[$opt] ) ) {
+                       return $defOpts[$opt];
+               } else {
+                       return '';
+               }
        }
 
        /**
         * Get blocking information
         * @access private
+        * @param bool $bFromSlave Specify whether to check slave or master. To improve performance,
+        *  non-critical checks are done against slaves. Check when actually saving should be done against
+        *  master.
+        *
+        * Note that even if $bFromSlave is false, the check is done first against slave, then master.
+        * The logic is that if blocked on slave, we'll assume it's either blocked on master or
+        * just slightly outta sync and soon corrected - safer to block slightly more that less.
+        * And it's cheaper to check slave first, then master if needed, than master always.
         */
        function getBlockedStatus() {
-               global $wgIP, $wgBlockCache, $wgProxyList;
+               global $wgIP, $wgBlockCache, $wgProxyList, $wgEnableSorbs, $bFromSlave;
 
                if ( -1 != $this->mBlockedby ) { return; }
 
@@ -184,15 +267,24 @@ class User {
                # User blocking
                if ( $this->mId ) {
                        $block = new Block();
-                       if ( $block->load( $wgIP , $this->mId ) ) {
+                       $block->forUpdate( $bFromSlave );
+                       if ( $block->load( $wgIP , $this->mId ) ) {
                                $this->mBlockedby = $block->mBy;
                                $this->mBlockreason = $block->mReason;
+                               $this->spreadBlock();
                        }
                }
 
                # IP/range blocking
                if ( !$this->mBlockedby ) {
-                       $block = $wgBlockCache->get( $wgIP );
+                       # Check first against slave, and optionally from master.
+                       $block = $wgBlockCache->get( $wgIP, true );
+                       if ( !$block && !$bFromSlave )
+                               {
+                               # Not blocked: check against master, to make sure.
+                               $wgBlockCache->clearLocal( );
+                               $block = $wgBlockCache->get( $wgIP, false );
+                               }
                        if ( $block !== false ) {
                                $this->mBlockedby = $block->mBy;
                                $this->mBlockreason = $block->mReason;
@@ -202,18 +294,56 @@ class User {
                # Proxy blocking
                if ( !$this->mBlockedby ) {
                        if ( array_key_exists( $wgIP, $wgProxyList ) ) {
+                               $this->mBlockedby = wfMsg( 'proxyblocker' );
                                $this->mBlockreason = wfMsg( 'proxyblockreason' );
-                               $this->mBlockedby = "Proxy blocker";
                        }
                }
+
+               # DNSBL
+               if ( !$this->mBlockedby && $wgEnableSorbs ) {
+                       if ( $this->inSorbsBlacklist( $wgIP ) ) {
+                               $this->mBlockedby = wfMsg( 'sorbs' );
+                               $this->mBlockreason = wfMsg( 'sorbsreason' );
+                       }
+               }
+                       
        }
 
+       function inSorbsBlacklist( $ip ) {
+               $fname = 'User::inSorbsBlacklist';
+               wfProfileIn( $fname );
+               
+               $found = false;
+               $host = '';
+               
+               if ( preg_match( '/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/', $ip, $m ) ) {
+                       # Make hostname
+                       for ( $i=4; $i>=1; $i-- ) {
+                               $host .= $m[$i] . '.';
+                       }
+                       $host .= 'http.dnsbl.sorbs.net.';
+
+                       # Send query
+                       $ipList = gethostbynamel( $host );
+                       
+                       if ( $ipList ) {
+                               wfDebug( "Hostname $host is {$ipList[0]}, it's a proxy!\n" );
+                               $found = true;
+                       } else {
+                               wfDebug( "Requested $host, not found.\n" );
+                       }
+               }
+
+               wfProfileOut( $fname );
+               return $found;
+       }
+       
        /**
         * Check if user is blocked
         * @return bool True if blocked, false otherwise
         */
-       function isBlocked() {
-               $this->getBlockedStatus();
+       function isBlocked( $bFromSlave = false ) {
+               $this->getBlockedStatus( $bFromSlave );
                if ( 0 === $this->mBlockedby ) { return false; }
                return true;
        }
@@ -292,12 +422,10 @@ class User {
                        wfDebug( "User::loadFromSession() got from cache!\n" );
                }
 
-               if ( isset( $_SESSION['wsUserPassword'] ) ) {
-                       $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
-               } else if ( isset( $_COOKIE["{$wgDBname}Password"] ) ) {
-                       $user->mCookiePassword = $_COOKIE["{$wgDBname}Password"];
-                       $_SESSION['wsUserPassword'] = $user->addSalt( $user->mCookiePassword );
-                       $passwordCorrect = $_SESSION['wsUserPassword'] == $user->mPassword;
+               if ( isset( $_SESSION['wsToken'] ) ) {
+                       $passwordCorrect = $_SESSION['wsToken'] == $user->mToken;
+               } else if ( isset( $_COOKIE["{$wgDBname}Token"] ) ) {
+                       $passwordCorrect = $user->mToken == $_COOKIE["{$wgDBname}Token"];
                } else {
                        return new User(); # Can't log in from session
                }
@@ -309,7 +437,6 @@ class User {
                                else
                                        wfDebug( "User::loadFromSession() unable to save to memcached\n" );
                        }
-                       $user->spreadBlock();
                        return $user;
                }
                return new User(); # Can't log in from session
@@ -319,60 +446,72 @@ class User {
         * Load a user from the database
         */
        function loadFromDatabase() {
-               global $wgCommandLineMode;
+               global $wgCommandLineMode, $wgAnonGroupId, $wgLoggedInGroupId;
                $fname = "User::loadFromDatabase";
-               if ( $this->mDataLoaded || $wgCommandLineMode ) {
+               
+               # Counter-intuitive, breaks various things, use User::setLoaded() if you want to suppress 
+               # loading in a command line script, don't assume all command line scripts need it like this
+               #if ( $this->mDataLoaded || $wgCommandLineMode ) {
+               if ( $this->mDataLoaded ) {
                        return;
                }
 
                # Paranoia
                $this->mId = IntVal( $this->mId );
 
-               # check in separate table if there are changes to the talk page
-               $this->mNewtalk=0; # reset talk page status
-               $dbr =& wfGetDB( DB_SLAVE );
-               if($this->mId) {
-                       $res = $dbr->select( 'user_newtalk', 1, array( 'user_id' => $this->mId ), $fname );
-
-                       if ( $dbr->numRows($res)>0 ) {
-                               $this->mNewtalk= 1;
-                       }
-                       $dbr->freeResult( $res );
-               } else {
-                       global $wgDBname, $wgMemc;
-                       $key = "$wgDBname:newtalk:ip:{$this->mName}";
-                       $newtalk = $wgMemc->get( $key );
-                       if( ! is_integer( $newtalk ) ){
-                               $res = $dbr->select( 'user_newtalk', 1, array( 'user_ip' => $this->mName ), $fname );
-
-                               $this->mNewtalk = $dbr->numRows( $res ) > 0 ? 1 : 0;
-                               $dbr->freeResult( $res );
-
-                               $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
-                       } else {
-                               $this->mNewtalk = $newtalk ? 1 : 0;
-                       }
-               }
+               /** Anonymous user */
                if(!$this->mId) {
+                       /** Get rights */
+                       $anong = Group::newFromId($wgAnonGroupId);
+                       if (!$anong) 
+                               wfDebugDieBacktrace("Please update your database schema "
+                                       ."and populate initial group data from "
+                                       ."maintenance/archives patches");
+                       $anong->loadFromDatabase();
+                       $this->mRights = explode(',', $anong->getRights());
                        $this->mDataLoaded = true;
                        return;
                } # the following stuff is for non-anonymous users only
-
+               
+               $dbr =& wfGetDB( DB_SLAVE );
                $s = $dbr->selectRow( 'user', array( 'user_name','user_password','user_newpassword','user_email',
-                 'user_real_name','user_options','user_touched' ),
+                 'user_emailauthenticationtimestamp',
+                 'user_real_name','user_options','user_touched', 'user_token' ),
                  array( 'user_id' => $this->mId ), $fname );
-
+               
                if ( $s !== false ) {
                        $this->mName = $s->user_name;
                        $this->mEmail = $s->user_email;
+                       $this->mEmailAuthenticationtimestamp = wfTimestamp(TS_MW,$s->user_emailauthenticationtimestamp);
                        $this->mRealName = $s->user_real_name;
                        $this->mPassword = $s->user_password;
                        $this->mNewpassword = $s->user_newpassword;
                        $this->decodeOptions( $s->user_options );
                        $this->mTouched = wfTimestamp(TS_MW,$s->user_touched);
-                       $this->mRights = explode( ",", strtolower( 
-                               $dbr->selectField( 'user_rights', 'user_rights', array( 'user_id' => $this->mId ) )
-                       ) );
+                       $this->mToken = $s->user_token;
+
+                       // Get groups id
+                       $res = $dbr->select( 'user_groups', array( 'ug_group' ), array( 'ug_user' => $this->mId ) );
+
+                       while($group = $dbr->fetchRow($res)) {
+                               $this->mGroups[] = $group[0];
+                       }
+
+                       // add the default group for logged in user
+                       $this->mGroups[] = $wgLoggedInGroupId;
+
+                       $this->mRights = array();
+                       // now we merge groups rights to get this user rights
+                       foreach($this->mGroups as $aGroupId) {
+                               $g = Group::newFromId($aGroupId);
+                               $g->loadFromDatabase();
+                               $this->mRights = array_merge($this->mRights, explode(',', $g->getRights()));
+                       }
+                       
+                       // array merge duplicate rights which are part of several groups
+                       $this->mRights = array_unique($this->mRights);
+                       
+                       $dbr->freeResult($res);
                }
 
                $this->mDataLoaded = true;
@@ -394,8 +533,54 @@ class User {
                $this->mName = $str;
        }
 
+       
+       /**
+        * Return the title dbkey form of the name, for eg user pages.
+        * @return string
+        * @access public
+        */
+       function getTitleKey() {
+               return str_replace( ' ', '_', $this->getName() );
+       }
+       
        function getNewtalk() {
+               $fname = 'User::getNewtalk';
                $this->loadFromDatabase();
+               
+               # Load the newtalk status if it is unloaded (mNewtalk=-1)
+               if( $this->mNewtalk == -1 ) {
+                       $this->mNewtalk = 0; # reset talk page status
+
+                       # Check memcached separately for anons, who have no
+                       # entire User object stored in there.
+                       if( !$this->mId ) {
+                               global $wgDBname, $wgMemc;
+                               $key = "$wgDBname:newtalk:ip:{$this->mName}";
+                               $newtalk = $wgMemc->get( $key );
+                               if( is_integer( $newtalk ) ) {
+                                       $this->mNewtalk = $newtalk ? 1 : 0;
+                                       return (bool)$this->mNewtalk;
+                               }
+                       }
+                       
+                       $dbr =& wfGetDB( DB_SLAVE );
+                       $res = $dbr->select( 'watchlist',
+                               array( 'wl_user' ),
+                               array( 'wl_title'     => $this->getTitleKey(),
+                                          'wl_namespace' => NS_USER_TALK,
+                                          'wl_user'      => $this->mId,
+                                          'wl_notificationtimestamp != 0' ),
+                               'User::getNewtalk' );
+                       if( $dbr->numRows($res) > 0 ) {
+                               $this->mNewtalk = 1;
+                       }
+                       $dbr->freeResult( $res );
+                       
+                       if( !$this->mId ) {
+                               $wgMemc->set( $key, $this->mNewtalk, time() ); // + 1800 );
+                       }
+               }
+
                return ( 0 != $this->mNewtalk );
        }
 
@@ -441,13 +626,32 @@ class User {
                return $this->addSalt( md5( $p ) );
        }
 
+       # Set the password and reset the random token
        function setPassword( $str ) {
                $this->loadFromDatabase();
-               $this->setCookiePassword( $str );
+               $this->setToken();
                $this->mPassword = $this->encryptPassword( $str );
                $this->mNewpassword = '';
        }
 
+       # Set the random token (used for persistent authentication)
+       function setToken( $token = false ) {
+               global $wgSecretKey, $wgProxyKey, $wgDBname;
+               if ( !$token ) {
+                       if ( $wgSecretKey ) {
+                               $key = $wgSecretKey;
+                       } elseif ( $wgProxyKey ) {
+                               $key = $wgProxyKey;
+                       } else {
+                               $key = microtime();
+                       }
+                       $this->mToken = md5( $wgSecretKey . mt_rand( 0, 0x7fffffff ) . $wgDBname . $this->mId );
+               } else {
+                       $this->mToken = $token;
+               }
+       }
+
+                       
        function setCookiePassword( $str ) {
                $this->loadFromDatabase();
                $this->mCookiePassword = md5( $str );
@@ -463,6 +667,11 @@ class User {
                return $this->mEmail;
        }
 
+       function getEmailAuthenticationtimestamp() {
+               $this->loadFromDatabase();
+               return $this->mEmailAuthenticationtimestamp;
+       }
+
        function setEmail( $str ) {
                $this->loadFromDatabase();
                $this->mEmail = $str;
@@ -501,36 +710,66 @@ class User {
                $this->loadFromDatabase();
                return $this->mRights;
        }
-
+       
        function addRight( $rname )     {
                $this->loadFromDatabase();
                array_push( $this->mRights, $rname );
                $this->invalidateCache();
        }
 
-       function isSysop() {
+       function getGroups() {
                $this->loadFromDatabase();
-               if ( 0 == $this->mId ) { return false; }
-
-               return in_array( 'sysop', $this->mRights );
+               return $this->mGroups;
        }
 
-       function isDeveloper() {
+       function setGroups($groups) {
                $this->loadFromDatabase();
-               if ( 0 == $this->mId ) { return false; }
+               $this->mGroups = $groups;
+               $this->invalidateCache();
+       }
 
-               return in_array( 'developer', $this->mRights );
+       /**
+        * A more legible check for non-anonymousness.
+        * Returns true if the user is not an anonymous visitor.
+        *
+        * @return bool
+        */
+       function isLoggedIn() {
+               return( $this->getID() != 0 );
+       }
+       
+       /**
+        * A more legible check for anonymousness.
+        * Returns true if the user is an anonymous visitor.
+        *
+        * @return bool
+        */
+       function isAnon() {
+               return !$this->isLoggedIn();
+       }
+       
+       /**
+        * Check if a user is sysop
+        * Die with backtrace. Use User:isAllowed() instead.
+        * @deprecated
+        */
+       function isSysop() {
+               wfDebugDieBacktrace("User::isSysop() is deprecated. Use User::isAllowed() instead");
        }
 
-       function isBureaucrat() {
-               $this->loadFromDatabase();
-               if ( 0 == $this->mId ) { return false; }
+       /** @deprecated */
+       function isDeveloper() {
+               wfDebugDieBacktrace("User::isDeveloper() is deprecated. Use User::isAllowed() instead");
+       }
 
-               return in_array( 'bureaucrat', $this->mRights );
+       /** @deprecated */
+       function isBureaucrat() {
+               wfDebugDieBacktrace("User::isBureaucrat() is deprecated. Use User::isAllowed() instead");
        }
 
        /**
         * Whether the user is a bot
+        * @todo need to be migrated to the new user level management sytem
         */
        function isBot() {
                $this->loadFromDatabase();
@@ -541,15 +780,29 @@ class User {
                return in_array( 'bot', $this->mRights );
        }
 
+       /**
+        * Check if user is allowed to access a feature / make an action
+        * @param string $action Action to be checked (see $wgAvailableRights in Defines.php for possible actions).
+        * @return boolean True: action is allowed, False: action should not be allowed
+        */
+       function isAllowed($action='') {
+               $this->loadFromDatabase();
+               return in_array( $action , $this->mRights );
+       }
+
        /**
         * Load a skin if it doesn't exist or return it
         * @todo FIXME : need to check the old failback system [AV]
         */
        function &getSkin() {
-               global $IP, $wgUsePHPTal;
+               global $IP;
                if ( ! isset( $this->mSkin ) ) {
+                       $fname = 'User::getSkin';
+                       wfProfileIn( $fname );
+                       
                        # get all skin names available
                        $skinNames = Skin::getSkinNames();
+                       
                        # get the user skin
                        $userSkin = $this->getOption( 'skin' );
                        if ( $userSkin == '' ) { $userSkin = 'standard'; }
@@ -581,14 +834,17 @@ class User {
                        require_once( $IP.'/skins/'.$sn.'.php' );
                        
                        # Check if we got if not failback to default skin
-                       $sn = 'Skin'.$sn;
-                       if(!class_exists($sn)) {
-                               #FIXME : should we print an error message instead of loading
-                               # standard skin ?
-                               $sn = 'SkinStandard';
+                       $className = 'Skin'.$sn;
+                       if( !class_exists( $className ) ) {
+                               # DO NOT die if the class isn't found. This breaks maintenance
+                               # scripts and can cause a user account to be unrecoverable
+                               # except by SQL manipulation if a previously valid skin name
+                               # is no longer valid.
+                               $className = 'SkinStandard';
                                require_once( $IP.'/skins/Standard.php' );
                        }
-                       $this->mSkin = new $sn;
+                       $this->mSkin =& new $className;
+                       wfProfileOut( $fname );
                }
                return $this->mSkin;
        }
@@ -623,8 +879,55 @@ class User {
                $wl->removeWatch();
                $this->invalidateCache();
        }
+
+       /**
+        * Clear the user's notification timestamp for the given title.
+        * If e-notif e-mails are on, they will receive notification mails on
+        * the next change of the page if it's watched etc.
+        */
+       function clearNotification( $title ) {
+               $userid = $this->getId();
+               if ($userid==0)
+                       return;
+               $dbw =& wfGetDB( DB_MASTER );
+               $success = $dbw->update( 'watchlist',
+                               array( /* SET */
+                                       'wl_notificationtimestamp' => 0
+                               ), array( /* WHERE */
+                                       'wl_title' => $title->getDBkey(),
+                                       'wl_namespace' => $title->getNamespace(),
+                                       'wl_user' => $this->getId()
+                               ), 'User::clearLastVisited'
+               );
+       }
+       
        /**#@-*/
 
+       /**
+        * Resets all of the given user's page-change notification timestamps.
+        * If e-notif e-mails are on, they will receive notification mails on
+        * the next change of any watched page.
+        *
+        * @param int $currentUser user ID number
+        * @access public
+        */
+       function clearAllNotifications( $currentUser ) {
+               if( $currentUser != 0 )  {
+       
+                       $dbw =& wfGetDB( DB_MASTER );
+                       $success = $dbw->update( 'watchlist',
+                               array( /* SET */
+                                       'wl_notificationtimestamp' => 0
+                               ), array( /* WHERE */
+                                       'wl_user' => $currentUser
+                               ), 'UserMailer::clearAll'
+                       );
+
+               #       we also need to clear here the "you have new message" notification for the own user_talk page
+               #       This is cleared one page view later in Article::viewUpdates();
+               }
+       }
+
        /**
         * @access private
         * @return string Encoding options
@@ -662,11 +965,11 @@ class User {
                $_SESSION['wsUserName'] = $this->mName;
                setcookie( $wgDBname.'UserName', $this->mName, $exp, $wgCookiePath, $wgCookieDomain );
 
-               $_SESSION['wsUserPassword'] = $this->mPassword;
+               $_SESSION['wsToken'] = $this->mToken;
                if ( 1 == $this->getOption( 'rememberpassword' ) ) {
-                       setcookie( $wgDBname.'Password', $this->mCookiePassword, $exp, $wgCookiePath, $wgCookieDomain );
+                       setcookie( $wgDBname.'Token', $this->mToken, $exp, $wgCookiePath, $wgCookieDomain );
                } else {
-                       setcookie( $wgDBname.'Password', '', time() - 3600 );
+                       setcookie( $wgDBname.'Token', '', time() - 3600 );
                }
        }
 
@@ -675,13 +978,17 @@ class User {
         * It will clean the session cookie
         */
        function logout() {
-               global $wgCookiePath, $wgCookieDomain, $wgDBname;
-               $this->mId = 0;
+               global $wgCookiePath, $wgCookieDomain, $wgDBname, $wgIP;
+               $this->loadDefaults();
+               $this->setLoaded( true );
 
                $_SESSION['wsUserID'] = 0;
 
                setcookie( $wgDBname.'UserID', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
-               setcookie( $wgDBname.'Password', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
+               setcookie( $wgDBname.'Token', '', time() - 3600, $wgCookiePath, $wgCookieDomain );
+
+               # Remember when user logged out, to prevent seeing cached pages
+               setcookie( $wgDBname.'LoggedOut', wfTimestampNow(), time() + 86400, $wgCookiePath, $wgCookieDomain );
        }
 
        /**
@@ -692,17 +999,22 @@ class User {
                $fname = 'User::saveSettings';
 
                $dbw =& wfGetDB( DB_MASTER );
-               if ( ! $this->mNewtalk ) {
-                       # Delete user_newtalk row
-                       if( $this->mId ) {
-                               $dbw->delete( 'user_newtalk', array( 'user_id' => $this->mId ), $fname );
-                       } else {
-                               $dbw->delete( 'user_newtalk', array( 'user_ip' => $this->mName ), $fname );
+               if ( ! $this->getNewtalk() ) {
+                       # Delete the watchlist entry for user_talk page X watched by user X
+                       $dbw->delete( 'watchlist',
+                               array( 'wl_user'      => $this->mId,
+                                          'wl_title'     => $this->getTitleKey(),
+                                          'wl_namespace' => NS_USER_TALK ),
+                               $fname );
+                       if( !$this->mId ) {
+                               # Anon users have a separate memcache space for newtalk
+                               # since they don't store their own info. Trim...
                                $wgMemc->delete( "$wgDBname:newtalk:ip:{$this->mName}" );
                        }
                }
-               if ( 0 == $this->mId ) { return; }
 
+               if ( 0 == $this->mId ) { return; }
+               
                $dbw->update( 'user',
                        array( /* SET */
                                'user_name' => $this->mName,
@@ -710,17 +1022,34 @@ class User {
                                'user_newpassword' => $this->mNewpassword,
                                'user_real_name' => $this->mRealName,
                                'user_email' => $this->mEmail,
+                               'user_emailauthenticationtimestamp' => $dbw->timestamp($this->mEmailAuthenticationtimestamp),
                                'user_options' => $this->encodeOptions(),
-                               'user_touched' => $dbw->timestamp($this->mTouched)
+                               'user_touched' => $dbw->timestamp($this->mTouched),
+                               'user_token' => $this->mToken
                        ), array( /* WHERE */
                                'user_id' => $this->mId
                        ), $fname
                );
-               $dbw->set( 'user_rights', 'user_rights', implode( ",", $this->mRights ),
-                       'user_id='. $this->mId, $fname ); 
+               $dbw->set( 'user_rights', 'ur_rights', implode( ',', $this->mRights ),
+                       'ur_user='. $this->mId, $fname ); 
                $wgMemc->delete( "$wgDBname:user:id:$this->mId" );
+               
+               // delete old groups
+               $dbw->delete( 'user_groups', array( 'ug_user' => $this->mId), $fname);
+               
+               // save new ones
+               foreach ($this->mGroups as $group) {
+                       $dbw->replace( 'user_groups',
+                               array(array('ug_user','ug_group')),
+                               array(
+                                       'ug_user' => $this->mId,
+                                       'ug_group' => $group
+                               ), $fname
+                       );
+               }
        }
 
+       
        /**
         * Checks if a user with the given name exists, returns the ID
         */
@@ -753,18 +1082,28 @@ class User {
                                'user_password' => $this->mPassword,
                                'user_newpassword' => $this->mNewpassword,
                                'user_email' => $this->mEmail,
+                               'user_emailauthenticationtimestamp' => $dbw->timestamp($this->mEmailAuthenticationtimestamp),
                                'user_real_name' => $this->mRealName,
-                               'user_options' => $this->encodeOptions()
+                               'user_options' => $this->encodeOptions(),
+                               'user_token' => $this->mToken
                        ), $fname
                );
                $this->mId = $dbw->insertId();
                $dbw->insert( 'user_rights',
                        array(
-                               'user_id' => $this->mId,
-                               'user_rights' => implode( ',', $this->mRights )
+                               'ur_user' => $this->mId,
+                               'ur_rights' => implode( ',', $this->mRights )
                        ), $fname
                );
-                               
+               
+               foreach ($this->mGroups as $group) {
+                       $dbw->insert( 'user_groups',
+                               array(
+                                       'ug_user' => $this->mId,
+                                       'ug_group' => $group
+                               ), $fname
+                       );
+               }
        }
 
        function spreadBlock() {
@@ -813,6 +1152,7 @@ class User {
        }
 
        function getPageRenderingHash() {
+               global $wgContLang;
                if( $this->mHash ){
                        return $this->mHash;
                }
@@ -821,13 +1161,15 @@ class User {
                // it will always be 0 when this function is called by parsercache.
 
                $confstr =        $this->getOption( 'math' );
-               $confstr .= '!' . $this->getOption( 'highlightbroken' );
                $confstr .= '!' . $this->getOption( 'stubthreshold' );
                $confstr .= '!' . $this->getOption( 'editsection' );
-               $confstr .= '!' . $this->getOption( 'editsectiononrightclick' );
-               $confstr .= '!' . $this->getOption( 'showtoc' );
                $confstr .= '!' . $this->getOption( 'date' );
                $confstr .= '!' . $this->getOption( 'numberheadings' );
+               $confstr .= '!' . $this->getOption( 'language' );
+               $confstr .= '!' . $this->getOption( 'thumbsize' );
+               // add in language specific options, if any
+               $extra = $wgContLang->getExtraHashOptions();
+               $confstr .= $extra;
 
                $this->mHash = $confstr;
                return $confstr ;
@@ -853,9 +1195,26 @@ class User {
                return wfSetVar( $this->mDataLoaded, $loaded );
        }
 
+       /**
+        * Get this user's personal page title.
+        *
+        * @return Title
+        * @access public
+        */
        function getUserPage() {
                return Title::makeTitle( NS_USER, $this->mName );
        }
+       
+       /**
+        * Get this user's talk page title.
+        *
+        * @return Title
+        * @access public
+        */
+       function getTalkPage() {
+               $title = $this->getUserPage();
+               return $title->getTalkPage();
+       }
 
        /**
         * @static
@@ -881,22 +1240,72 @@ class User {
         * @return bool True if the given password is correct otherwise False.
         */
        function checkPassword( $password ) {
+               global $wgAuth;
                $this->loadFromDatabase();
+               
+               if( $wgAuth->authenticate( $this->getName(), $password ) ) {
+                       return true;
+               } elseif( $wgAuth->strict() ) {
+                       /* Auth plugin doesn't allow local authentication */
+                       return false;
+               }
                $ep = $this->encryptPassword( $password );
                if ( 0 == strcmp( $ep, $this->mPassword ) ) {
                        return true;
-               } elseif ( 0 == strcmp( $ep, $this->mNewpassword ) ) {
+               } elseif ( ($this->mNewpassword != '') && (0 == strcmp( $ep, $this->mNewpassword )) ) {
+                       $this->mEmailAuthenticationtimestamp = wfTimestampNow();
+                       $this->mNewpassword = ''; # use the temporary one-time password only once: clear it now !
+                       $this->saveSettings();
                        return true;
                } elseif ( function_exists( 'iconv' ) ) {
                        # Some wikis were converted from ISO 8859-1 to UTF-8, the passwords can't be converted
                        # Check for this with iconv
-/*                     $cp1252hash = $this->encryptPassword( iconv( 'UTF-8', 'WINDOWS-1252', $password ) );
+                       $cp1252hash = $this->encryptPassword( iconv( 'UTF-8', 'WINDOWS-1252', $password ) );
                        if ( 0 == strcmp( $cp1252hash, $this->mPassword ) ) {
                                return true;
-                       }*/
+                       }
                }
                return false;
        }
+       
+       /**
+        * Initialize (if necessary) and return a session token value
+        * which can be used in edit forms to show that the user's
+        * login credentials aren't being hijacked with a foreign form
+        * submission.
+        *
+        * @param mixed $salt - Optional function-specific data for hash.
+        *                      Use a string or an array of strings.
+        * @return string
+        * @access public
+        */
+       function editToken( $salt = '' ) {
+               if( !isset( $_SESSION['wsEditToken'] ) ) {
+                       $token = dechex( mt_rand() ) . dechex( mt_rand() );
+                       $_SESSION['wsEditToken'] = $token;
+               } else {
+                       $token = $_SESSION['wsEditToken'];
+               }
+               if( is_array( $salt ) ) {
+                       $salt = implode( '|', $salt );
+               }
+               return md5( $token . $salt );
+       }
+       
+       /**
+        * Check given value against the token value stored in the session.
+        * A match should confirm that the form was submitted from the
+        * user's own login session, not a form submission from a third-party
+        * site.
+        *
+        * @param string $val - the input value to compare
+        * @param string $salt - Optional function-specific data for hash
+        * @return bool
+        * @access public
+        */
+       function matchEditToken( $val, $salt = '' ) {
+               return ( $val == $this->editToken( $salt ) );
+       }
 }
 
 ?>