add( 'days', $this->getUser()->getIntOption( 'rcdays' ) ); $opts->add( 'limit', $this->getUser()->getIntOption( 'rclimit' ) ); $opts->add( 'from', '' ); $opts->add( 'hideminor', $this->getUser()->getBoolOption( 'hideminor' ) ); $opts->add( 'hidebots', true ); $opts->add( 'hideanons', false ); $opts->add( 'hideliu', false ); $opts->add( 'hidepatrolled', $this->getUser()->getBoolOption( 'hidepatrolled' ) ); $opts->add( 'hidemyself', false ); $opts->add( 'namespace', '', FormOptions::INTNULL ); $opts->add( 'invert', false ); $opts->add( 'associated', false ); $opts->add( 'categories', '' ); $opts->add( 'categories_any', false ); $opts->add( 'tagfilter', '' ); return $opts; } /** * Create a FormOptions object with options as specified by the user * * @param $parameters array * * @return FormOptions */ public function setup( $parameters ) { $opts = $this->getDefaultOptions(); foreach( $this->getCustomFilters() as $key => $params ) { $opts->add( $key, $params['default'] ); } $opts->fetchValuesFromRequest( $this->getRequest() ); // Give precedence to subpage syntax if( $parameters !== null ) { $this->parseParameters( $parameters, $opts ); } $opts->validateIntBounds( 'limit', 0, 5000 ); return $opts; } /** * Get custom show/hide filters * * @return Array Map of filter URL param names to properties (msg/default) */ protected function getCustomFilters() { if ( $this->customFilters === null ) { $this->customFilters = array(); wfRunHooks( 'SpecialRecentChangesFilters', array( $this, &$this->customFilters ) ); } return $this->customFilters; } /** * Create a FormOptions object specific for feed requests and return it * * @return FormOptions */ public function feedSetup() { global $wgFeedLimit; $opts = $this->getDefaultOptions(); $opts->fetchValuesFromRequest( $this->getRequest() ); $opts->validateIntBounds( 'limit', 0, $wgFeedLimit ); return $opts; } /** * Get the current FormOptions for this request */ public function getOptions() { if ( $this->rcOptions === null ) { if ( $this->including() ) { $isFeed = false; } else { $isFeed = (bool)$this->getRequest()->getVal( 'feed' ); } $this->rcOptions = $isFeed ? $this->feedSetup() : $this->setup( $this->rcSubpage ); } return $this->rcOptions; } /** * Main execution point * * @param $subpage String */ public function execute( $subpage ) { $this->rcSubpage = $subpage; $feedFormat = $this->including() ? null : $this->getRequest()->getVal( 'feed' ); # 10 seconds server-side caching max $this->getOutput()->setSquidMaxage( 10 ); # Check if the client has a cached version $lastmod = $this->checkLastModified( $feedFormat ); if( $lastmod === false ) { return; } $opts = $this->getOptions(); $this->setHeaders(); $this->outputHeader(); $this->addRecentChangesJS(); // Fetch results, prepare a batch link existence check query $conds = $this->buildMainQueryConds( $opts ); $rows = $this->doMainQuery( $conds, $opts ); if( $rows === false ) { if( !$this->including() ) { $this->doHeader( $opts ); } return; } if( !$feedFormat ) { $batch = new LinkBatch; foreach( $rows as $row ) { $batch->add( NS_USER, $row->rc_user_text ); $batch->add( NS_USER_TALK, $row->rc_user_text ); $batch->add( $row->rc_namespace, $row->rc_title ); } $batch->execute(); } if( $feedFormat ) { list( $changesFeed, $formatter ) = $this->getFeedObject( $feedFormat ); $changesFeed->execute( $formatter, $rows, $lastmod, $opts ); } else { $this->webOutput( $rows, $opts ); } $rows->free(); } /** * Return an array with a ChangesFeed object and ChannelFeed object * * @return Array */ public function getFeedObject( $feedFormat ) { $changesFeed = new ChangesFeed( $feedFormat, 'rcfeed' ); $formatter = $changesFeed->getFeedObject( $this->msg( 'recentchanges' )->inContentLanguage()->text(), $this->msg( 'recentchanges-feed-description' )->inContentLanguage()->text(), $this->getTitle()->getFullURL() ); return array( $changesFeed, $formatter ); } /** * Process $par and put options found if $opts * Mainly used when including the page * * @param $par String * @param $opts FormOptions */ public function parseParameters( $par, FormOptions $opts ) { $bits = preg_split( '/\s*,\s*/', trim( $par ) ); foreach( $bits as $bit ) { if( 'hidebots' === $bit ) { $opts['hidebots'] = true; } if( 'bots' === $bit ) { $opts['hidebots'] = false; } if( 'hideminor' === $bit ) { $opts['hideminor'] = true; } if( 'minor' === $bit ) { $opts['hideminor'] = false; } if( 'hideliu' === $bit ) { $opts['hideliu'] = true; } if( 'hidepatrolled' === $bit ) { $opts['hidepatrolled'] = true; } if( 'hideanons' === $bit ) { $opts['hideanons'] = true; } if( 'hidemyself' === $bit ) { $opts['hidemyself'] = true; } if( is_numeric( $bit ) ) { $opts['limit'] = $bit; } $m = array(); if( preg_match( '/^limit=(\d+)$/', $bit, $m ) ) { $opts['limit'] = $m[1]; } if( preg_match( '/^days=(\d+)$/', $bit, $m ) ) { $opts['days'] = $m[1]; } if( preg_match( '/^namespace=(\d+)$/', $bit, $m ) ) { $opts['namespace'] = $m[1]; } } } /** * Get last modified date, for client caching * Don't use this if we are using the patrol feature, patrol changes don't * update the timestamp * * @param $feedFormat String * @return String or false */ public function checkLastModified( $feedFormat ) { $dbr = wfGetDB( DB_SLAVE ); $lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', false, __METHOD__ ); if( $feedFormat || !$this->getUser()->useRCPatrol() ) { if( $lastmod && $this->getOutput()->checkLastModified( $lastmod ) ) { # Client cache fresh and headers sent, nothing more to do. return false; } } return $lastmod; } /** * Return an array of conditions depending of options set in $opts * * @param $opts FormOptions * @return array */ public function buildMainQueryConds( FormOptions $opts ) { $dbr = wfGetDB( DB_SLAVE ); $conds = array(); # It makes no sense to hide both anons and logged-in users # Where this occurs, force anons to be shown $forcebot = false; if( $opts['hideanons'] && $opts['hideliu'] ) { # Check if the user wants to show bots only if( $opts['hidebots'] ) { $opts['hideanons'] = false; } else { $forcebot = true; $opts['hidebots'] = false; } } // Calculate cutoff $cutoff_unixtime = time() - ( $opts['days'] * 86400 ); $cutoff_unixtime = $cutoff_unixtime - ($cutoff_unixtime % 86400); $cutoff = $dbr->timestamp( $cutoff_unixtime ); $fromValid = preg_match( '/^[0-9]{14}$/', $opts['from'] ); if( $fromValid && $opts['from'] > wfTimestamp( TS_MW, $cutoff ) ) { $cutoff = $dbr->timestamp( $opts['from'] ); } else { $opts->reset( 'from' ); } $conds[] = 'rc_timestamp >= ' . $dbr->addQuotes( $cutoff ); $hidePatrol = $this->getUser()->useRCPatrol() && $opts['hidepatrolled']; $hideLoggedInUsers = $opts['hideliu'] && !$forcebot; $hideAnonymousUsers = $opts['hideanons'] && !$forcebot; if( $opts['hideminor'] ) { $conds['rc_minor'] = 0; } if( $opts['hidebots'] ) { $conds['rc_bot'] = 0; } if( $hidePatrol ) { $conds['rc_patrolled'] = 0; } if( $forcebot ) { $conds['rc_bot'] = 1; } if( $hideLoggedInUsers ) { $conds[] = 'rc_user = 0'; } if( $hideAnonymousUsers ) { $conds[] = 'rc_user != 0'; } if( $opts['hidemyself'] ) { if( $this->getUser()->getId() ) { $conds[] = 'rc_user != ' . $dbr->addQuotes( $this->getUser()->getId() ); } else { $conds[] = 'rc_user_text != ' . $dbr->addQuotes( $this->getUser()->getName() ); } } # Namespace filtering if( $opts['namespace'] !== '' ) { $selectedNS = $dbr->addQuotes( $opts['namespace'] ); $operator = $opts['invert'] ? '!=' : '='; $boolean = $opts['invert'] ? 'AND' : 'OR'; # namespace association (bug 2429) if( !$opts['associated'] ) { $condition = "rc_namespace $operator $selectedNS"; } else { # Also add the associated namespace $associatedNS = $dbr->addQuotes( MWNamespace::getAssociated( $opts['namespace'] ) ); $condition = "(rc_namespace $operator $selectedNS " . $boolean . " rc_namespace $operator $associatedNS)"; } $conds[] = $condition; } return $conds; } /** * Process the query * * @param $conds Array * @param $opts FormOptions * @return bool|ResultWrapper result or false (for Recentchangeslinked only) */ public function doMainQuery( $conds, $opts ) { $tables = array( 'recentchanges' ); $join_conds = array(); $query_options = array( 'USE INDEX' => array( 'recentchanges' => 'rc_timestamp' ) ); $uid = $this->getUser()->getId(); $dbr = wfGetDB( DB_SLAVE ); $limit = $opts['limit']; $namespace = $opts['namespace']; $invert = $opts['invert']; $associated = $opts['associated']; $fields = RecentChange::selectFields(); // JOIN on watchlist for users if ( $uid ) { $tables[] = 'watchlist'; $fields[] = 'wl_user'; $fields[] = 'wl_notificationtimestamp'; $join_conds['watchlist'] = array( 'LEFT JOIN', array( 'wl_user' => $uid, 'wl_title=rc_title', 'wl_namespace=rc_namespace' )); } if ( $this->getUser()->isAllowed( 'rollback' ) ) { $tables[] = 'page'; $fields[] = 'page_latest'; $join_conds['page'] = array( 'LEFT JOIN', 'rc_cur_id=page_id' ); } // Tag stuff. ChangeTags::modifyDisplayQuery( $tables, $fields, $conds, $join_conds, $query_options, $opts['tagfilter'] ); if ( !wfRunHooks( 'SpecialRecentChangesQuery', array( &$conds, &$tables, &$join_conds, $opts, &$query_options, &$fields ) ) ) { return false; } // Don't use the new_namespace_time timestamp index if: // (a) "All namespaces" selected // (b) We want pages in more than one namespace (inverted/associated) // (c) There is a tag to filter on (use tag index instead) // (d) UNION + sort/limit is not an option for the DBMS if( $namespace === '' || ( $invert || $associated ) || $opts['tagfilter'] != '' || !$dbr->unionSupportsOrderAndLimit() ) { $res = $dbr->select( $tables, $fields, $conds, __METHOD__, array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit ) + $query_options, $join_conds ); // We have a new_namespace_time index! UNION over new=(0,1) and sort result set! } else { // New pages $sqlNew = $dbr->selectSQLText( $tables, $fields, array( 'rc_new' => 1 ) + $conds, __METHOD__, array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit, 'USE INDEX' => array( 'recentchanges' => 'new_name_timestamp' ) ), $join_conds ); // Old pages $sqlOld = $dbr->selectSQLText( $tables, $fields, array( 'rc_new' => 0 ) + $conds, __METHOD__, array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit, 'USE INDEX' => array( 'recentchanges' => 'new_name_timestamp' ) ), $join_conds ); # Join the two fast queries, and sort the result set $sql = $dbr->unionQueries( array( $sqlNew, $sqlOld ), false ) . ' ORDER BY rc_timestamp DESC'; $sql = $dbr->limitResult( $sql, $limit, false ); $res = $dbr->query( $sql, __METHOD__ ); } return $res; } /** * Send output to the OutputPage object, only called if not used feeds * * @param array $rows of database rows * @param $opts FormOptions */ public function webOutput( $rows, $opts ) { global $wgRCShowWatchingUsers, $wgShowUpdatedMarker, $wgAllowCategorizedRecentChanges; $limit = $opts['limit']; if( !$this->including() ) { // Output options box $this->doHeader( $opts ); } // And now for the content $feedQuery = $this->getFeedQuery(); if ( $feedQuery !== '' ) { $this->getOutput()->setFeedAppendQuery( $feedQuery ); } else { $this->getOutput()->setFeedAppendQuery( false ); } if( $wgAllowCategorizedRecentChanges ) { $this->filterByCategories( $rows, $opts ); } $showWatcherCount = $wgRCShowWatchingUsers && $this->getUser()->getOption( 'shownumberswatching' ); $watcherCache = array(); $dbr = wfGetDB( DB_SLAVE ); $counter = 1; $list = ChangesList::newFromContext( $this->getContext() ); $s = $list->beginRecentChangesList(); foreach( $rows as $obj ) { if( $limit == 0 ) { break; } $rc = RecentChange::newFromRow( $obj ); $rc->counter = $counter++; # Check if the page has been updated since the last visit if( $wgShowUpdatedMarker && !empty( $obj->wl_notificationtimestamp ) ) { $rc->notificationtimestamp = ( $obj->rc_timestamp >= $obj->wl_notificationtimestamp ); } else { $rc->notificationtimestamp = false; // Default } # Check the number of users watching the page $rc->numberofWatchingusers = 0; // Default if( $showWatcherCount && $obj->rc_namespace >= 0 ) { if( !isset( $watcherCache[$obj->rc_namespace][$obj->rc_title] ) ) { $watcherCache[$obj->rc_namespace][$obj->rc_title] = $dbr->selectField( 'watchlist', 'COUNT(*)', array( 'wl_namespace' => $obj->rc_namespace, 'wl_title' => $obj->rc_title, ), __METHOD__ . '-watchers' ); } $rc->numberofWatchingusers = $watcherCache[$obj->rc_namespace][$obj->rc_title]; } $changeLine = $list->recentChangesLine( $rc, !empty( $obj->wl_user ), $counter ); if ( $changeLine !== false ) { $s .= $changeLine; --$limit; } } $s .= $list->endRecentChangesList(); $this->getOutput()->addHTML( $s ); } /** * Get the query string to append to feed link URLs. * * @return string */ public function getFeedQuery() { global $wgFeedLimit; $this->getOptions()->validateIntBounds( 'limit', 0, $wgFeedLimit ); $options = $this->getOptions()->getChangedValues(); // wfArrayToCgi() omits options set to null or false foreach ( $options as &$value ) { if ( $value === false ) { $value = '0'; } } unset( $value ); return wfArrayToCgi( $options ); } /** * Return the text to be displayed above the changes * * @param $opts FormOptions * @return String: XHTML */ public function doHeader( $opts ) { global $wgScript; $this->setTopText( $opts ); $defaults = $opts->getAllValues(); $nondefaults = $opts->getChangedValues(); $opts->consumeValues( array( 'namespace', 'invert', 'associated', 'tagfilter', 'categories', 'categories_any' ) ); $panel = array(); $panel[] = $this->optionsPanel( $defaults, $nondefaults ); $panel[] = '