mTitle =& $title; $this->mOldId = $oldId; } /** * Constructor from an article article * @param $id The article ID to load */ public static function newFromID( $id ) { $t = Title::newFromID( $id ); return $t == null ? null : new Article( $t ); } /** * Tell the page view functions that this view was redirected * from another page on the wiki. * @param $from Title object. */ public function setRedirectedFrom( $from ) { $this->mRedirectedFrom = $from; } /** * If this page is a redirect, get its target * * The target will be fetched from the redirect table if possible. * If this page doesn't have an entry there, call insertRedirect() * @return mixed Title object, or null if this page is not a redirect */ public function getRedirectTarget() { if( !$this->mTitle || !$this->mTitle->isRedirect() ) return null; if( !is_null($this->mRedirectTarget) ) return $this->mRedirectTarget; # Query the redirect table $dbr = wfGetDB( DB_SLAVE ); $row = $dbr->selectRow( 'redirect', array('rd_namespace', 'rd_title'), array('rd_from' => $this->getID() ), __METHOD__ ); if( $row ) { return $this->mRedirectTarget = Title::makeTitle($row->rd_namespace, $row->rd_title); } # This page doesn't have an entry in the redirect table return $this->mRedirectTarget = $this->insertRedirect(); } /** * Insert an entry for this page into the redirect table. * * Don't call this function directly unless you know what you're doing. * @return Title object */ public function insertRedirect() { $retval = Title::newFromRedirect( $this->getContent() ); if( !$retval ) { return null; } $dbw = wfGetDB( DB_MASTER ); $dbw->replace( 'redirect', array('rd_from'), array( 'rd_from' => $this->getID(), 'rd_namespace' => $retval->getNamespace(), 'rd_title' => $retval->getDBKey() ), __METHOD__ ); return $retval; } /** * Get the Title object this page redirects to * * @return mixed false, Title of in-wiki target, or string with URL */ public function followRedirect() { $text = $this->getContent(); return $this->followRedirectText( $text ); } /** * Get the Title object this text redirects to * * @return mixed false, Title of in-wiki target, or string with URL */ public function followRedirectText( $text ) { $rt = Title::newFromRedirectRecurse( $text ); // recurse through to only get the final target # process if title object is valid and not special:userlogout if( $rt ) { if( $rt->getInterwiki() != '' ) { if( $rt->isLocal() ) { // Offsite wikis need an HTTP redirect. // // This can be hard to reverse and may produce loops, // so they may be disabled in the site configuration. $source = $this->mTitle->getFullURL( 'redirect=no' ); return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) ); } } else { if( $rt->getNamespace() == NS_SPECIAL ) { // Gotta handle redirects to special pages differently: // Fill the HTTP response "Location" header and ignore // the rest of the page we're on. // // This can be hard to reverse, so they may be disabled. if( $rt->isSpecial( 'Userlogout' ) ) { // rolleyes } else { return $rt->getFullURL(); } } return $rt; } } // No or invalid redirect return false; } /** * get the title object of the article */ public function getTitle() { return $this->mTitle; } /** * Clear the object * @private */ public function clear() { $this->mDataLoaded = false; $this->mContentLoaded = false; $this->mCurID = $this->mUser = $this->mCounter = -1; # Not loaded $this->mRedirectedFrom = null; # Title object if set $this->mRedirectTarget = null; # Title object if set $this->mUserText = $this->mTimestamp = $this->mComment = ''; $this->mGoodAdjustment = $this->mTotalAdjustment = 0; $this->mTouched = '19700101000000'; $this->mForUpdate = false; $this->mIsRedirect = false; $this->mRevIdFetched = 0; $this->mRedirectUrl = false; $this->mLatest = false; $this->mPreparedEdit = false; } /** * Note that getContent/loadContent do not follow redirects anymore. * If you need to fetch redirectable content easily, try * the shortcut in Article::followContent() * * @return Return the text of this revision */ public function getContent() { global $wgUser, $wgContLang, $wgOut, $wgMessageCache; wfProfileIn( __METHOD__ ); if( $this->getID() === 0 ) { # If this is a MediaWiki:x message, then load the messages # and return the message value for x. if( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) { # If this is a system message, get the default text. list( $message, $lang ) = $wgMessageCache->figureMessage( $wgContLang->lcfirst( $this->mTitle->getText() ) ); $wgMessageCache->loadAllMessages( $lang ); $text = wfMsgGetKey( $message, false, $lang, false ); if( wfEmptyMsg( $message, $text ) ) $text = ''; } else { $text = wfMsgExt( $wgUser->isLoggedIn() ? 'noarticletext' : 'noarticletextanon', 'parsemag' ); } wfProfileOut( __METHOD__ ); return $text; } else { $this->loadContent(); wfProfileOut( __METHOD__ ); return $this->mContent; } } /** * Get the text of the current revision. No side-effects... * * @return Return the text of the current revision */ public function getRawText() { // Check process cache for current revision if( $this->mContentLoaded && $this->mOldId == 0 ) { return $this->mContent; } $rev = Revision::newFromTitle( $this->mTitle ); $text = $rev ? $rev->getRawText() : false; return $text; } /** * This function returns the text of a section, specified by a number ($section). * A section is text under a heading like == Heading == or \
and don't parse $m = array(); preg_match( '!\.(css|js)$!u', $this->mTitle->getText(), $m ); $wgOut->addHTML( "\n" ); $wgOut->addHTML( htmlspecialchars( $this->mContent ) ); $wgOut->addHTML( "\n\n" ); } } else if( $rt = Title::newFromRedirectArray( $text ) ) { # get an array of redirect targets # Don't append the subtitle if this was an old revision $wgOut->addHTML( $this->viewRedirect( $rt, !$wasRedirected && $this->isCurrent() ) ); $parseout = $wgParser->parse($text, $this->mTitle, ParserOptions::newFromUser($wgUser)); $wgOut->addParserOutputNoText( $parseout ); } else if( $pcache ) { # Display content and save to parser cache $this->outputWikiText( $text ); } else { # Display content, don't attempt to save to parser cache # Don't show section-edit links on old revisions... this way lies madness. if( !$this->isCurrent() ) { $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false ); } # Display content and don't save to parser cache # With timing hack -- TS 2006-07-26 $time = -wfTime(); $this->outputWikiText( $text, false ); $time += wfTime(); # Timing hack if( $time > 3 ) { wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time, $this->mTitle->getPrefixedDBkey())); } if( !$this->isCurrent() ) { $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting ); } } } /* title may have been set from the cache */ $t = $wgOut->getPageTitle(); if( empty( $t ) ) { $wgOut->setPageTitle( $this->mTitle->getPrefixedText() ); # For the main page, overwrite theelement with the con- # tents of 'pagetitle-view-mainpage' instead of the default (if # that's not empty). if( $this->mTitle->equals( Title::newMainPage() ) && wfMsgForContent( 'pagetitle-view-mainpage' ) !== '' ) { $wgOut->setHTMLTitle( wfMsgForContent( 'pagetitle-view-mainpage' ) ); } } # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page if( $ns == NS_USER_TALK && IP::isValid( $this->mTitle->getText() ) ) { $wgOut->addWikiMsg('anontalkpagetext'); } # If we have been passed an &rcid= parameter, we want to give the user a # chance to mark this new article as patrolled. if( !empty($rcid) && $this->mTitle->exists() && $this->mTitle->quickUserCan('patrol') ) { $wgOut->addHTML( " " . wfMsgHtml( 'markaspatrolledlink', $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml('markaspatrolledtext'), "action=markpatrolled&rcid=$rcid" ) ) . '' ); } # Trackbacks if( $wgUseTrackbacks ) { $this->addTrackbacks(); } $this->viewUpdates(); wfProfileOut( __METHOD__ ); } protected function showLogs() { global $wgUser, $wgOut; $loglist = new LogEventsList( $wgUser->getSkin(), $wgOut ); $pager = new LogPager( $loglist, array('move', 'delete'), false, $this->mTitle->getPrefixedText() ); if( $pager->getNumRows() > 0 ) { $pager->mLimit = 10; $wgOut->addHTML( '' ); $wgOut->addWikiMsg( 'moveddeleted-notice' ); $wgOut->addHTML( $loglist->beginLogEventsList() . $pager->getBody() . $loglist->endLogEventsList() ); if( $pager->getNumRows() > 10 ) { $wgOut->addHTML( $wgUser->getSkin()->link( SpecialPage::getTitleFor( 'Log' ), wfMsgHtml( 'log-fulllog' ), array(), array( 'page' => $this->mTitle->getPrefixedText() ) ) ); } $wgOut->addHTML( '' ); } } /* * Should the parser cache be used? */ protected function useParserCache( $oldid ) { global $wgUser, $wgEnableParserCache; return $wgEnableParserCache && intval( $wgUser->getOption( 'stubthreshold' ) ) == 0 && $this->exists() && empty( $oldid ) && !$this->mTitle->isCssOrJsPage() && !$this->mTitle->isCssJsSubpage(); } /** * View redirect * @param $target Title object or Array of destination(s) to redirect * @param $appendSubtitle Boolean [optional] * @param $forceKnown Boolean: should the image be shown as a bluelink regardless of existence? */ public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) { global $wgParser, $wgOut, $wgContLang, $wgStylePath, $wgUser; # Display redirect if( !is_array( $target ) ) { $target = array( $target ); } $imageDir = $wgContLang->isRTL() ? 'rtl' : 'ltr'; $imageUrl = $wgStylePath . '/common/images/redirect' . $imageDir . '.png'; $imageUrl2 = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png'; $alt2 = $wgContLang->isRTL() ? '←' : '→'; // should -> and <- be used instead of entities? if( $appendSubtitle ) { $wgOut->appendSubtitle( wfMsgHtml( 'redirectpagesub' ) ); } $sk = $wgUser->getSkin(); // the loop prepends the arrow image before the link, so the first case needs to be outside $title = array_shift( $target ); if( $forceKnown ) { $link = $sk->makeKnownLinkObj( $title, htmlspecialchars( $title->getFullText() ) ); } else { $link = $sk->makeLinkObj( $title, htmlspecialchars( $title->getFullText() ) ); } // automatically append redirect=no to each link, since most of them are redirect pages themselves foreach( $target as $rt ) { if( $forceKnown ) { $link .= '' . $sk->makeKnownLinkObj( $rt, htmlspecialchars( $rt->getFullText() ) ); } else { $link .= '
' . $sk->makeLinkObj( $rt, htmlspecialchars( $rt->getFullText() ) ); } } return '
' . ''.$link.''; } public function addTrackbacks() { global $wgOut, $wgUser; $dbr = wfGetDB( DB_SLAVE ); $tbs = $dbr->select( 'trackbacks', array('tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name'), array('tb_page' => $this->getID() ) ); if( !$dbr->numRows($tbs) ) return; $tbtext = ""; while( $o = $dbr->fetchObject($tbs) ) { $rmvtxt = ""; if( $wgUser->isAllowed( 'trackback' ) ) { $delurl = $this->mTitle->getFullURL("action=deletetrackback&tbid=" . $o->tb_id . "&token=" . urlencode( $wgUser->editToken() ) ); $rmvtxt = wfMsg( 'trackbackremove', htmlspecialchars( $delurl ) ); } $tbtext .= "\n"; $tbtext .= wfMsg(strlen($o->tb_ex) ? 'trackbackexcerpt' : 'trackback', $o->tb_title, $o->tb_url, $o->tb_ex, $o->tb_name, $rmvtxt); } $wgOut->wrapWikiMsg( "
$1\n", array( 'trackbackbox', $tbtext ) ); $this->mTitle->invalidateCache(); } public function deletetrackback() { global $wgUser, $wgRequest, $wgOut; if( !$wgUser->matchEditToken($wgRequest->getVal('token')) ) { $wgOut->addWikiMsg( 'sessionfailure' ); return; } $permission_errors = $this->mTitle->getUserPermissionsErrors( 'delete', $wgUser ); if( count($permission_errors) ) { $wgOut->showPermissionsErrorPage( $permission_errors ); return; } $db = wfGetDB( DB_MASTER ); $db->delete( 'trackbacks', array('tb_id' => $wgRequest->getInt('tbid')) ); $wgOut->addWikiMsg( 'trackbackdeleteok' ); $this->mTitle->invalidateCache(); } public function render() { global $wgOut; $wgOut->setArticleBodyOnly(true); $this->view(); } /** * Handle action=purge */ public function purge() { global $wgUser, $wgRequest, $wgOut; if( $wgUser->isAllowed( 'purge' ) || $wgRequest->wasPosted() ) { if( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) { $this->doPurge(); $this->view(); } } else { $action = htmlspecialchars( $wgRequest->getRequestURL() ); $button = wfMsgExt( 'confirm_purge_button', array('escapenoentities') ); $form = "\n"; $top = wfMsgExt( 'confirm-purge-top', array('parse') ); $bottom = wfMsgExt( 'confirm-purge-bottom', array('parse') ); $wgOut->setPageTitle( $this->mTitle->getPrefixedText() ); $wgOut->setRobotPolicy( 'noindex,nofollow' ); $wgOut->addHTML( $top . $form . $bottom ); } } /** * Perform the actions of a page purging */ public function doPurge() { global $wgUseSquid; // Invalidate the cache $this->mTitle->invalidateCache(); if( $wgUseSquid ) { // Commit the transaction before the purge is sent $dbw = wfGetDB( DB_MASTER ); $dbw->immediateCommit(); // Send purge $update = SquidUpdate::newSimplePurge( $this->mTitle ); $update->doUpdate(); } if( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) { global $wgMessageCache; if( $this->getID() == 0 ) { $text = false; } else { $text = $this->getRawText(); } $wgMessageCache->replace( $this->mTitle->getDBkey(), $text ); } } /** * Insert a new empty page record for this article. * This *must* be followed up by creating a revision * and running $this->updateToLatest( $rev_id ); * or else the record will be left in a funky state. * Best if all done inside a transaction. * * @param $dbw Database * @return int The newly created page_id key, or false if the title already existed * @private */ public function insertOn( $dbw ) { wfProfileIn( __METHOD__ ); $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' ); $dbw->insert( 'page', array( 'page_id' => $page_id, 'page_namespace' => $this->mTitle->getNamespace(), 'page_title' => $this->mTitle->getDBkey(), 'page_counter' => 0, 'page_restrictions' => '', 'page_is_redirect' => 0, # Will set this shortly... 'page_is_new' => 1, 'page_random' => wfRandom(), 'page_touched' => $dbw->timestamp(), 'page_latest' => 0, # Fill this in shortly... 'page_len' => 0, # Fill this in shortly... ), __METHOD__, 'IGNORE' ); $affected = $dbw->affectedRows(); if( $affected ) { $newid = $dbw->insertId(); $this->mTitle->resetArticleId( $newid ); } wfProfileOut( __METHOD__ ); return $affected ? $newid : false; } /** * Update the page record to point to a newly saved revision. * * @param $dbw Database object * @param $revision Revision: For ID number, and text used to set length and redirect status fields * @param $lastRevision Integer: if given, will not overwrite the page field * when different from the currently set value. * Giving 0 indicates the new page flag should be set * on. * @param $lastRevIsRedirect Boolean: if given, will optimize adding and * removing rows in redirect table. * @return bool true on success, false on failure * @private */ public function updateRevisionOn( &$dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) { wfProfileIn( __METHOD__ ); $text = $revision->getText(); $rt = Title::newFromRedirect( $text ); $conditions = array( 'page_id' => $this->getId() ); if( !is_null( $lastRevision ) ) { # An extra check against threads stepping on each other $conditions['page_latest'] = $lastRevision; } $dbw->update( 'page', array( /* SET */ 'page_latest' => $revision->getId(), 'page_touched' => $dbw->timestamp(), 'page_is_new' => ($lastRevision === 0) ? 1 : 0, 'page_is_redirect' => $rt !== NULL ? 1 : 0, 'page_len' => strlen( $text ), ), $conditions, __METHOD__ ); $result = $dbw->affectedRows() != 0; if( $result ) { $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect ); } wfProfileOut( __METHOD__ ); return $result; } /** * Add row to the redirect table if this is a redirect, remove otherwise. * * @param $dbw Database * @param $redirectTitle a title object pointing to the redirect target, * or NULL if this is not a redirect * @param $lastRevIsRedirect If given, will optimize adding and * removing rows in redirect table. * @return bool true on success, false on failure * @private */ public function updateRedirectOn( &$dbw, $redirectTitle, $lastRevIsRedirect = null ) { // Always update redirects (target link might have changed) // Update/Insert if we don't know if the last revision was a redirect or not // Delete if changing from redirect to non-redirect $isRedirect = !is_null($redirectTitle); if($isRedirect || is_null($lastRevIsRedirect) || $lastRevIsRedirect !== $isRedirect) { wfProfileIn( __METHOD__ ); if( $isRedirect ) { // This title is a redirect, Add/Update row in the redirect table $set = array( /* SET */ 'rd_namespace' => $redirectTitle->getNamespace(), 'rd_title' => $redirectTitle->getDBkey(), 'rd_from' => $this->getId(), ); $dbw->replace( 'redirect', array( 'rd_from' ), $set, __METHOD__ ); } else { // This is not a redirect, remove row from redirect table $where = array( 'rd_from' => $this->getId() ); $dbw->delete( 'redirect', $where, __METHOD__); } if( $this->getTitle()->getNamespace() == NS_FILE ) { RepoGroup::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() ); } wfProfileOut( __METHOD__ ); return ( $dbw->affectedRows() != 0 ); } return true; } /** * If the given revision is newer than the currently set page_latest, * update the page record. Otherwise, do nothing. * * @param $dbw Database object * @param $revision Revision object */ public function updateIfNewerOn( &$dbw, $revision ) { wfProfileIn( __METHOD__ ); $row = $dbw->selectRow( array( 'revision', 'page' ), array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ), array( 'page_id' => $this->getId(), 'page_latest=rev_id' ), __METHOD__ ); if( $row ) { if( wfTimestamp(TS_MW, $row->rev_timestamp) >= $revision->getTimestamp() ) { wfProfileOut( __METHOD__ ); return false; } $prev = $row->rev_id; $lastRevIsRedirect = (bool)$row->page_is_redirect; } else { # No or missing previous revision; mark the page as new $prev = 0; $lastRevIsRedirect = null; } $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect ); wfProfileOut( __METHOD__ ); return $ret; } /** * @param $section empty/null/false or a section number (0, 1, 2, T1, T2...) * @return string Complete article text, or null if error */ public function replaceSection( $section, $text, $summary = '', $edittime = NULL ) { wfProfileIn( __METHOD__ ); if( strval( $section ) == '' ) { // Whole-page edit; let the whole text through } else { if( is_null($edittime) ) { $rev = Revision::newFromTitle( $this->mTitle ); } else { $dbw = wfGetDB( DB_MASTER ); $rev = Revision::loadFromTimestamp( $dbw, $this->mTitle, $edittime ); } if( !$rev ) { wfDebug( "Article::replaceSection asked for bogus section (page: " . $this->getId() . "; section: $section; edittime: $edittime)\n" ); return null; } $oldtext = $rev->getText(); if( $section == 'new' ) { # Inserting a new section $subject = $summary ? wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n" : ''; $text = strlen( trim( $oldtext ) ) > 0 ? "{$oldtext}\n\n{$subject}{$text}" : "{$subject}{$text}"; } else { # Replacing an existing section; roll out the big guns global $wgParser; $text = $wgParser->replaceSection( $oldtext, $section, $text ); } } wfProfileOut( __METHOD__ ); return $text; } /** * @deprecated use Article::doEdit() */ function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC=false, $comment=false, $bot=false ) { wfDeprecated( __METHOD__ ); $flags = EDIT_NEW | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY | ( $isminor ? EDIT_MINOR : 0 ) | ( $suppressRC ? EDIT_SUPPRESS_RC : 0 ) | ( $bot ? EDIT_FORCE_BOT : 0 ); # If this is a comment, add the summary as headline if( $comment && $summary != "" ) { $text = wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n".$text; } $this->doEdit( $text, $summary, $flags ); $dbw = wfGetDB( DB_MASTER ); if($watchthis) { if(!$this->mTitle->userIsWatching()) { $dbw->begin(); $this->doWatch(); $dbw->commit(); } } else { if( $this->mTitle->userIsWatching() ) { $dbw->begin(); $this->doUnwatch(); $dbw->commit(); } } $this->doRedirect( $this->isRedirect( $text ) ); } /** * @deprecated use Article::doEdit() */ function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) { wfDeprecated( __METHOD__ ); $flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY | ( $minor ? EDIT_MINOR : 0 ) | ( $forceBot ? EDIT_FORCE_BOT : 0 ); $status = $this->doEdit( $text, $summary, $flags ); if( !$status->isOK() ) { return false; } $dbw = wfGetDB( DB_MASTER ); if( $watchthis ) { if(!$this->mTitle->userIsWatching()) { $dbw->begin(); $this->doWatch(); $dbw->commit(); } } else { if( $this->mTitle->userIsWatching() ) { $dbw->begin(); $this->doUnwatch(); $dbw->commit(); } } $extraQuery = ''; // Give extensions a chance to modify URL query on update wfRunHooks( 'ArticleUpdateBeforeRedirect', array( $this, &$sectionanchor, &$extraQuery ) ); $this->doRedirect( $this->isRedirect( $text ), $sectionanchor, $extraQuery ); return true; } /** * Article::doEdit() * * Change an existing article or create a new article. Updates RC and all necessary caches, * optionally via the deferred update array. * * $wgUser must be set before calling this function. * * @param $text String: new text * @param $summary String: edit summary * @param $flags Integer bitfield: * EDIT_NEW * Article is known or assumed to be non-existent, create a new one * EDIT_UPDATE * Article is known or assumed to be pre-existing, update it * EDIT_MINOR * Mark this edit minor, if the user is allowed to do so * EDIT_SUPPRESS_RC * Do not log the change in recentchanges * EDIT_FORCE_BOT * Mark the edit a "bot" edit regardless of user rights * EDIT_DEFER_UPDATES * Defer some of the updates until the end of index.php * EDIT_AUTOSUMMARY * Fill in blank summaries with generated text where possible * * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected. * If EDIT_UPDATE is specified and the article doesn't exist, the function will an * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an * edit-already-exists error will be returned. These two conditions are also possible with * auto-detection due to MediaWiki's performance-optimised locking strategy. * * @param $baseRevId the revision ID this edit was based off, if any * @param $user Optional user object, $wgUser will be used if not passed * * @return Status object. Possible errors: * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't set the fatal flag of $status * edit-gone-missing: In update mode, but the article didn't exist * edit-conflict: In update mode, the article changed unexpectedly * edit-no-change: Warning that the text was the same as before * edit-already-exists: In creation mode, but the article already exists * * Extensions may define additional errors. * * $return->value will contain an associative array with members as follows: * new: Boolean indicating if the function attempted to create a new article * revision: The revision object for the inserted revision, or null * * Compatibility note: this function previously returned a boolean value indicating success/failure */ public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) { global $wgUser, $wgDBtransactions, $wgUseAutomaticEditSummaries; # Low-level sanity check if( $this->mTitle->getText() == '' ) { throw new MWException( 'Something is trying to edit an article with an empty title' ); } wfProfileIn( __METHOD__ ); $user = is_null($user) ? $wgUser : $user; $status = Status::newGood( array() ); # Load $this->mTitle->getArticleID() and $this->mLatest if it's not already $this->loadPageData(); if( !($flags & EDIT_NEW) && !($flags & EDIT_UPDATE) ) { $aid = $this->mTitle->getArticleID(); if( $aid ) { $flags |= EDIT_UPDATE; } else { $flags |= EDIT_NEW; } } if( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary, $flags & EDIT_MINOR, null, null, &$flags, &$status ) ) ) { wfDebug( __METHOD__ . ": ArticleSave hook aborted save!\n" ); wfProfileOut( __METHOD__ ); if( $status->isOK() ) { $status->fatal( 'edit-hook-aborted'); } return $status; } # Silently ignore EDIT_MINOR if not allowed $isminor = ( $flags & EDIT_MINOR ) && $user->isAllowed('minoredit'); $bot = $flags & EDIT_FORCE_BOT; $oldtext = $this->getRawText(); // current revision $oldsize = strlen( $oldtext ); # Provide autosummaries if one is not provided and autosummaries are enabled. if( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY && $summary == '' ) { $summary = $this->getAutosummary( $oldtext, $text, $flags ); } $editInfo = $this->prepareTextForEdit( $text ); $text = $editInfo->pst; $newsize = strlen( $text ); $dbw = wfGetDB( DB_MASTER ); $now = wfTimestampNow(); if( $flags & EDIT_UPDATE ) { # Update article, but only if changed. $status->value['new'] = false; # Make sure the revision is either completely inserted or not inserted at all if( !$wgDBtransactions ) { $userAbort = ignore_user_abort( true ); } $revisionId = 0; $changed = ( strcmp( $text, $oldtext ) != 0 ); if( $changed ) { $this->mGoodAdjustment = (int)$this->isCountable( $text ) - (int)$this->isCountable( $oldtext ); $this->mTotalAdjustment = 0; if( !$this->mLatest ) { # Article gone missing wfDebug( __METHOD__.": EDIT_UPDATE specified but article doesn't exist\n" ); $status->fatal( 'edit-gone-missing' ); wfProfileOut( __METHOD__ ); return $status; } $revision = new Revision( array( 'page' => $this->getId(), 'comment' => $summary, 'minor_edit' => $isminor, 'text' => $text, 'parent_id' => $this->mLatest, 'user' => $user->getId(), 'user_text' => $user->getName(), ) ); $dbw->begin(); $revisionId = $revision->insertOn( $dbw ); # Update page # # Note that we use $this->mLatest instead of fetching a value from the master DB # during the course of this function. This makes sure that EditPage can detect # edit conflicts reliably, either by $ok here, or by $article->getTimestamp() # before this function is called. A previous function used a separate query, this # creates a window where concurrent edits can cause an ignored edit conflict. $ok = $this->updateRevisionOn( $dbw, $revision, $this->mLatest ); if( !$ok ) { /* Belated edit conflict! Run away!! */ $status->fatal( 'edit-conflict' ); # Delete the invalid revision if the DB is not transactional if( !$wgDBtransactions ) { $dbw->delete( 'revision', array( 'rev_id' => $revisionId ), __METHOD__ ); } $revisionId = 0; $dbw->rollback(); } else { global $wgUseRCPatrol; # Update recentchanges if( !( $flags & EDIT_SUPPRESS_RC ) ) { # Mark as patrolled if the user can do so $patrolled = $wgUseRCPatrol && $this->mTitle->userCan('autopatrol'); # Add RC row to the DB $rc = RecentChange::notifyEdit( $now, $this->mTitle, $isminor, $user, $summary, $this->mLatest, $this->getTimestamp(), $bot, '', $oldsize, $newsize, $revisionId, $patrolled ); # Log auto-patrolled edits if( $patrolled ) { PatrolLog::record( $rc, true ); } } # Notify extensions of a new edit wfRunHooks( 'NewRevisionFromEditComplete', array(&$this, $revision, $baseRevId, $user) ); $user->incEditCount(); $dbw->commit(); } } else { $status->warning( 'edit-no-change' ); $revision = null; // Keep the same revision ID, but do some updates on it $revisionId = $this->getRevIdFetched(); // Update page_touched, this is usually implicit in the page update // Other cache updates are done in onArticleEdit() $this->mTitle->invalidateCache(); } if( !$wgDBtransactions ) { ignore_user_abort( $userAbort ); } // Now that ignore_user_abort is restored, we can respond to fatal errors if( !$status->isOK() ) { wfProfileOut( __METHOD__ ); return $status; } # Invalidate cache of this article and all pages using this article # as a template. Partly deferred. Article::onArticleEdit( $this->mTitle ); # Update links tables, site stats, etc. $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed ); } else { # Create new article $status->value['new'] = true; # Set statistics members # We work out if it's countable after PST to avoid counter drift # when articles are created with {{subst:}} $this->mGoodAdjustment = (int)$this->isCountable( $text ); $this->mTotalAdjustment = 1; $dbw->begin(); # Add the page record; stake our claim on this title! # This will return false if the article already exists $newid = $this->insertOn( $dbw ); if( $newid === false ) { $dbw->rollback(); $status->fatal( 'edit-already-exists' ); wfProfileOut( __METHOD__ ); return $status; } # Save the revision text... $revision = new Revision( array( 'page' => $newid, 'comment' => $summary, 'minor_edit' => $isminor, 'text' => $text, 'user' => $user->getId(), 'user_text' => $user->getName(), ) ); $revisionId = $revision->insertOn( $dbw ); $this->mTitle->resetArticleID( $newid ); # Update the page record with revision data $this->updateRevisionOn( $dbw, $revision, 0 ); # Update recentchanges if( !( $flags & EDIT_SUPPRESS_RC ) ) { global $wgUseRCPatrol, $wgUseNPPatrol; # Mark as patrolled if the user can do so $patrolled = ($wgUseRCPatrol || $wgUseNPPatrol) && $this->mTitle->userCan('autopatrol'); # Add RC row to the DB $rc = RecentChange::notifyNew( $now, $this->mTitle, $isminor, $user, $summary, $bot, '', strlen($text), $revisionId, $patrolled ); # Log auto-patrolled edits if( $patrolled ) { PatrolLog::record( $rc, true ); } } # Notify extensions of a new page edit wfRunHooks( 'NewRevisionFromEditComplete', array(&$this, $revision, false, $user) ); $user->incEditCount(); $dbw->commit(); # Update links, etc. $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true ); # Clear caches Article::onArticleCreate( $this->mTitle ); wfRunHooks( 'ArticleInsertComplete', array( &$this, &$user, $text, $summary, $flags & EDIT_MINOR, null, null, &$flags, $revision ) ); } # Do updates right now unless deferral was requested if( !( $flags & EDIT_DEFER_UPDATES ) ) { wfDoUpdates(); } // Return the new revision (or null) to the caller $status->value['revision'] = $revision; wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary, $flags & EDIT_MINOR, null, null, &$flags, $revision, &$status, $baseRevId ) ); wfProfileOut( __METHOD__ ); return $status; } /** * @deprecated wrapper for doRedirect */ public function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) { wfDeprecated( __METHOD__ ); $this->doRedirect( $this->isRedirect( $text ), $sectionanchor ); } /** * Output a redirect back to the article. * This is typically used after an edit. * * @param $noRedir Boolean: add redirect=no * @param $sectionAnchor String: section to redirect to, including "#" * @param $extraQuery String: extra query params */ public function doRedirect( $noRedir = false, $sectionAnchor = '', $extraQuery = '' ) { global $wgOut; if( $noRedir ) { $query = 'redirect=no'; if( $extraQuery ) $query .= "&$query"; } else { $query = $extraQuery; } $wgOut->redirect( $this->mTitle->getFullURL( $query ) . $sectionAnchor ); } /** * Mark this particular edit/page as patrolled */ public function markpatrolled() { global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUseNPPatrol, $wgUser; $wgOut->setRobotPolicy( 'noindex,nofollow' ); # If we haven't been given an rc_id value, we can't do anything $rcid = (int) $wgRequest->getVal('rcid'); $rc = RecentChange::newFromId($rcid); if( is_null($rc) ) { $wgOut->showErrorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' ); return; } #It would be nice to see where the user had actually come from, but for now just guess $returnto = $rc->getAttribute( 'rc_type' ) == RC_NEW ? 'Newpages' : 'Recentchanges'; $return = SpecialPage::getTitleFor( $returnto ); $dbw = wfGetDB( DB_MASTER ); $errors = $rc->doMarkPatrolled(); if( in_array(array('rcpatroldisabled'), $errors) ) { $wgOut->showErrorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' ); return; } if( in_array(array('hookaborted'), $errors) ) { // The hook itself has handled any output return; } if( in_array(array('markedaspatrollederror-noautopatrol'), $errors) ) { $wgOut->setPageTitle( wfMsg( 'markedaspatrollederror' ) ); $wgOut->addWikiMsg( 'markedaspatrollederror-noautopatrol' ); $wgOut->returnToMain( false, $return ); return; } if( !empty($errors) ) { $wgOut->showPermissionsErrorPage( $errors ); return; } # Inform the user $wgOut->setPageTitle( wfMsg( 'markedaspatrolled' ) ); $wgOut->addWikiMsg( 'markedaspatrolledtext' ); $wgOut->returnToMain( false, $return ); } /** * User-interface handler for the "watch" action */ public function watch() { global $wgUser, $wgOut; if( $wgUser->isAnon() ) { $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' ); return; } if( wfReadOnly() ) { $wgOut->readOnlyPage(); return; } if( $this->doWatch() ) { $wgOut->setPagetitle( wfMsg( 'addedwatch' ) ); $wgOut->setRobotPolicy( 'noindex,nofollow' ); $wgOut->addWikiMsg( 'addedwatchtext', $this->mTitle->getPrefixedText() ); } $wgOut->returnToMain( true, $this->mTitle->getPrefixedText() ); } /** * Add this page to $wgUser's watchlist * @return bool true on successful watch operation */ public function doWatch() { global $wgUser; if( $wgUser->isAnon() ) { return false; } if( wfRunHooks('WatchArticle', array(&$wgUser, &$this)) ) { $wgUser->addWatch( $this->mTitle ); return wfRunHooks('WatchArticleComplete', array(&$wgUser, &$this)); } return false; } /** * User interface handler for the "unwatch" action. */ public function unwatch() { global $wgUser, $wgOut; if( $wgUser->isAnon() ) { $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' ); return; } if( wfReadOnly() ) { $wgOut->readOnlyPage(); return; } if( $this->doUnwatch() ) { $wgOut->setPagetitle( wfMsg( 'removedwatch' ) ); $wgOut->setRobotPolicy( 'noindex,nofollow' ); $wgOut->addWikiMsg( 'removedwatchtext', $this->mTitle->getPrefixedText() ); } $wgOut->returnToMain( true, $this->mTitle->getPrefixedText() ); } /** * Stop watching a page * @return bool true on successful unwatch */ public function doUnwatch() { global $wgUser; if( $wgUser->isAnon() ) { return false; } if( wfRunHooks('UnwatchArticle', array(&$wgUser, &$this)) ) { $wgUser->removeWatch( $this->mTitle ); return wfRunHooks('UnwatchArticleComplete', array(&$wgUser, &$this)); } return false; } /** * action=protect handler */ public function protect() { global $wgUser, $wgOut; # Check permissions $permission_errors = $this->mTitle->getUserPermissionsErrors( 'protect', $wgUser ); if( count( $permission_errors ) > 0 ) { $wgOut->showPermissionsErrorPage( $permission_errors ); return; } $form = new ProtectionForm( $this ); $form->execute(); } /** * action=unprotect handler (alias) */ public function unprotect() { $this->protect(); } /** * Update the article's restriction field, and leave a log entry. * * @param $limit Array: set of restriction keys * @param $reason String * @param &$cascade Integer. Set to false if cascading protection isn't allowed. * @param $expiry Array: per restriction type expiration * @return bool true on success */ public function updateRestrictions( $limit = array(), $reason = '', &$cascade = 0, $expiry = array() ) { global $wgUser, $wgRestrictionTypes, $wgContLang; $id = $this->mTitle->getArticleID(); if ( $id <= 0 ) { wfDebug( "updateRestrictions failed: $id <= 0\n" ); return false; } if ( wfReadOnly() ) { wfDebug( "updateRestrictions failed: read-only\n" ); return false; } if ( !$this->mTitle->userCan( 'protect' ) ) { wfDebug( "updateRestrictions failed: insufficient permissions\n" ); return false; } if( !$cascade ) { $cascade = false; } // Take this opportunity to purge out expired restrictions Title::purgeExpiredRestrictions(); # FIXME: Same limitations as described in ProtectionForm.php (line 37); # we expect a single selection, but the schema allows otherwise. $current = array(); $updated = Article::flattenRestrictions( $limit ); $changed = false; foreach( $wgRestrictionTypes as $action ) { if( isset( $expiry[$action] ) ) { # Get current restrictions on $action $aLimits = $this->mTitle->getRestrictions( $action ); $current[$action] = implode( '', $aLimits ); # Are any actual restrictions being dealt with here? $aRChanged = count($aLimits) || !empty($limit[$action]); # If something changed, we need to log it. Checking $aRChanged # assures that "unprotecting" a page that is not protected does # not log just because the expiry was "changed". if( $aRChanged && $this->mTitle->mRestrictionsExpiry[$action] != $expiry[$action] ) { $changed = true; } } } $current = Article::flattenRestrictions( $current ); $changed = ($changed || $current != $updated ); $changed = $changed || ($updated && $this->mTitle->areRestrictionsCascading() != $cascade); $protect = ( $updated != '' ); # If nothing's changed, do nothing if( $changed ) { if( wfRunHooks( 'ArticleProtect', array( &$this, &$wgUser, $limit, $reason ) ) ) { $dbw = wfGetDB( DB_MASTER ); # Prepare a null revision to be added to the history $modified = $current != '' && $protect; if( $protect ) { $comment_type = $modified ? 'modifiedarticleprotection' : 'protectedarticle'; } else { $comment_type = 'unprotectedarticle'; } $comment = $wgContLang->ucfirst( wfMsgForContent( $comment_type, $this->mTitle->getPrefixedText() ) ); # Only restrictions with the 'protect' right can cascade... # Otherwise, people who cannot normally protect can "protect" pages via transclusion $editrestriction = isset( $limit['edit'] ) ? array( $limit['edit'] ) : $this->mTitle->getRestrictions( 'edit' ); # The schema allows multiple restrictions if(!in_array('protect', $editrestriction) && !in_array('sysop', $editrestriction)) $cascade = false; $cascade_description = ''; if( $cascade ) { $cascade_description = ' ['.wfMsgForContent('protect-summary-cascade').']'; } if( $reason ) $comment .= ": $reason"; $editComment = $comment; $encodedExpiry = array(); $protect_description = ''; foreach( $limit as $action => $restrictions ) { if ( !isset($expiry[$action]) ) $expiry[$action] = 'infinite'; $encodedExpiry[$action] = Block::encodeExpiry($expiry[$action], $dbw ); if( $restrictions != '' ) { $protect_description .= "[$action=$restrictions] ("; if( $encodedExpiry[$action] != 'infinity' ) { $protect_description .= wfMsgForContent( 'protect-expiring', $wgContLang->timeanddate( $expiry[$action], false, false ) , $wgContLang->date( $expiry[$action], false, false ) , $wgContLang->time( $expiry[$action], false, false ) ); } else { $protect_description .= wfMsgForContent( 'protect-expiry-indefinite' ); } $protect_description .= ') '; } } $protect_description = trim($protect_description); if( $protect_description && $protect ) $editComment .= " ($protect_description)"; if( $cascade ) $editComment .= "$cascade_description"; # Update restrictions table foreach( $limit as $action => $restrictions ) { if($restrictions != '' ) { $dbw->replace( 'page_restrictions', array(array('pr_page', 'pr_type')), array( 'pr_page' => $id, 'pr_type' => $action, 'pr_level' => $restrictions, 'pr_cascade' => ($cascade && $action == 'edit') ? 1 : 0, 'pr_expiry' => $encodedExpiry[$action] ), __METHOD__ ); } else { $dbw->delete( 'page_restrictions', array( 'pr_page' => $id, 'pr_type' => $action ), __METHOD__ ); } } # Insert a null revision $nullRevision = Revision::newNullRevision( $dbw, $id, $editComment, true ); $nullRevId = $nullRevision->insertOn( $dbw ); $latest = $this->getLatest(); # Update page record $dbw->update( 'page', array( /* SET */ 'page_touched' => $dbw->timestamp(), 'page_restrictions' => '', 'page_latest' => $nullRevId ), array( /* WHERE */ 'page_id' => $id ), 'Article::protect' ); wfRunHooks( 'NewRevisionFromEditComplete', array($this, $nullRevision, $latest, $wgUser) ); wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) ); # Update the protection log $log = new LogPage( 'protect' ); if( $protect ) { $params = array($protect_description,$cascade ? 'cascade' : ''); $log->addEntry( $modified ? 'modify' : 'protect', $this->mTitle, trim( $reason), $params ); } else { $log->addEntry( 'unprotect', $this->mTitle, $reason ); } } # End hook } # End "changed" check return true; } /** * Take an array of page restrictions and flatten it to a string * suitable for insertion into the page_restrictions field. * @param $limit Array * @return String */ protected static function flattenRestrictions( $limit ) { if( !is_array( $limit ) ) { throw new MWException( 'Article::flattenRestrictions given non-array restriction set' ); } $bits = array(); ksort( $limit ); foreach( $limit as $action => $restrictions ) { if( $restrictions != '' ) { $bits[] = "$action=$restrictions"; } } return implode( ':', $bits ); } /** * Auto-generates a deletion reason * @param &$hasHistory Boolean: whether the page has a history */ public function generateReason( &$hasHistory ) { global $wgContLang; $dbw = wfGetDB( DB_MASTER ); // Get the last revision $rev = Revision::newFromTitle( $this->mTitle ); if( is_null( $rev ) ) return false; // Get the article's contents $contents = $rev->getText(); $blank = false; // If the page is blank, use the text from the previous revision, // which can only be blank if there's a move/import/protect dummy revision involved if( $contents == '' ) { $prev = $rev->getPrevious(); if( $prev ) { $contents = $prev->getText(); $blank = true; } } // Find out if there was only one contributor // Only scan the last 20 revisions $res = $dbw->select( 'revision', 'rev_user_text', array( 'rev_page' => $this->getID(), 'rev_deleted & '.Revision::DELETED_USER.'=0' ), __METHOD__, array( 'LIMIT' => 20 ) ); if( $res === false ) // This page has no revisions, which is very weird return false; $hasHistory = ( $res->numRows() > 1 ); $row = $dbw->fetchObject( $res ); $onlyAuthor = $row->rev_user_text; // Try to find a second contributor foreach( $res as $row ) { if( $row->rev_user_text != $onlyAuthor ) { $onlyAuthor = false; break; } } $dbw->freeResult( $res ); // Generate the summary with a '$1' placeholder if( $blank ) { // The current revision is blank and the one before is also // blank. It's just not our lucky day $reason = wfMsgForContent( 'exbeforeblank', '$1' ); } else { if( $onlyAuthor ) $reason = wfMsgForContent( 'excontentauthor', '$1', $onlyAuthor ); else $reason = wfMsgForContent( 'excontent', '$1' ); } if( $reason == '-' ) { // Allow these UI messages to be blanked out cleanly return ''; } // Replace newlines with spaces to prevent uglyness $contents = preg_replace( "/[\n\r]/", ' ', $contents ); // Calculate the maximum amount of chars to get // Max content length = max comment length - length of the comment (excl. $1) - '...' $maxLength = 255 - (strlen( $reason ) - 2) - 3; $contents = $wgContLang->truncate( $contents, $maxLength ); // Remove possible unfinished links $contents = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $contents ); // Now replace the '$1' placeholder $reason = str_replace( '$1', $contents, $reason ); return $reason; } /* * UI entry point for page deletion */ public function delete() { global $wgUser, $wgOut, $wgRequest; $confirm = $wgRequest->wasPosted() && $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ); $this->DeleteReasonList = $wgRequest->getText( 'wpDeleteReasonList', 'other' ); $this->DeleteReason = $wgRequest->getText( 'wpReason' ); $reason = $this->DeleteReasonList; if( $reason != 'other' && $this->DeleteReason != '' ) { // Entry from drop down menu + additional comment $reason .= wfMsgForContent( 'colon-separator' ) . $this->DeleteReason; } elseif( $reason == 'other' ) { $reason = $this->DeleteReason; } # Flag to hide all contents of the archived revisions $suppress = $wgRequest->getVal( 'wpSuppress' ) && $wgUser->isAllowed( 'suppressrevision' ); # This code desperately needs to be totally rewritten # Read-only check... if( wfReadOnly() ) { $wgOut->readOnlyPage(); return; } # Check permissions $permission_errors = $this->mTitle->getUserPermissionsErrors( 'delete', $wgUser ); if( count( $permission_errors ) > 0 ) { $wgOut->showPermissionsErrorPage( $permission_errors ); return; } $wgOut->setPagetitle( wfMsg( 'delete-confirm', $this->mTitle->getPrefixedText() ) ); # Better double-check that it hasn't been deleted yet! $dbw = wfGetDB( DB_MASTER ); $conds = $this->mTitle->pageCond(); $latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__ ); if( $latest === false ) { $wgOut->showFatalError( wfMsgExt( 'cannotdelete', array( 'parse' ) ) ); $wgOut->addHTML( Xml::element( 'h2', null, LogPage::logName( 'delete' ) ) ); LogEventsList::showLogExtract( $wgOut, 'delete', $this->mTitle->getPrefixedText() ); return; } # Hack for big sites $bigHistory = $this->isBigDeletion(); if( $bigHistory && !$this->mTitle->userCan( 'bigdelete' ) ) { global $wgLang, $wgDeleteRevisionsLimit; $wgOut->wrapWikiMsg( "\n$1\n", array( 'delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) ); return; } if( $confirm ) { $this->doDelete( $reason, $suppress ); if( $wgRequest->getCheck( 'wpWatch' ) ) { $this->doWatch(); } elseif( $this->mTitle->userIsWatching() ) { $this->doUnwatch(); } return; } // Generate deletion reason $hasHistory = false; if( !$reason ) $reason = $this->generateReason($hasHistory); // If the page has a history, insert a warning if( $hasHistory && !$confirm ) { $skin = $wgUser->getSkin(); $wgOut->addHTML( '' . wfMsgExt( 'historywarning', array( 'parseinline' ) ) . ' ' . $skin->historyLink() . '' ); if( $bigHistory ) { global $wgLang, $wgDeleteRevisionsLimit; $wgOut->wrapWikiMsg( "\n$1\n", array( 'delete-warning-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) ); } } return $this->confirmDelete( $reason ); } /** * @return bool whether or not the page surpasses $wgDeleteRevisionsLimit revisions */ public function isBigDeletion() { global $wgDeleteRevisionsLimit; if( $wgDeleteRevisionsLimit ) { $revCount = $this->estimateRevisionCount(); return $revCount > $wgDeleteRevisionsLimit; } return false; } /** * @return int approximate revision count */ public function estimateRevisionCount() { $dbr = wfGetDB( DB_SLAVE ); // For an exact count... //return $dbr->selectField( 'revision', 'COUNT(*)', // array( 'rev_page' => $this->getId() ), __METHOD__ ); return $dbr->estimateRowCount( 'revision', '*', array( 'rev_page' => $this->getId() ), __METHOD__ ); } /** * Get the last N authors * @param $num Integer: number of revisions to get * @param $revLatest String: the latest rev_id, selected from the master (optional) * @return array Array of authors, duplicates not removed */ public function getLastNAuthors( $num, $revLatest = 0 ) { wfProfileIn( __METHOD__ ); // First try the slave // If that doesn't have the latest revision, try the master $continue = 2; $db = wfGetDB( DB_SLAVE ); do { $res = $db->select( array( 'page', 'revision' ), array( 'rev_id', 'rev_user_text' ), array( 'page_namespace' => $this->mTitle->getNamespace(), 'page_title' => $this->mTitle->getDBkey(), 'rev_page = page_id' ), __METHOD__, $this->getSelectOptions( array( 'ORDER BY' => 'rev_timestamp DESC', 'LIMIT' => $num ) ) ); if( !$res ) { wfProfileOut( __METHOD__ ); return array(); } $row = $db->fetchObject( $res ); if( $continue == 2 && $revLatest && $row->rev_id != $revLatest ) { $db = wfGetDB( DB_MASTER ); $continue--; } else { $continue = 0; } } while ( $continue ); $authors = array( $row->rev_user_text ); while ( $row = $db->fetchObject( $res ) ) { $authors[] = $row->rev_user_text; } wfProfileOut( __METHOD__ ); return $authors; } /** * Output deletion confirmation dialog * @param $reason String: prefilled reason */ public function confirmDelete( $reason ) { global $wgOut, $wgUser; wfDebug( "Article::confirmDelete\n" ); $wgOut->setSubtitle( wfMsgHtml( 'delete-backlink', $wgUser->getSkin()->makeKnownLinkObj( $this->mTitle ) ) ); $wgOut->setRobotPolicy( 'noindex,nofollow' ); $wgOut->addWikiMsg( 'confirmdeletetext' ); if( $wgUser->isAllowed( 'suppressrevision' ) ) { $suppress = ""; } else { $suppress = ''; } $checkWatch = $wgUser->getBoolOption( 'watchdeletion' ) || $this->mTitle->userIsWatching(); $form = Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->mTitle->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) . Xml::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) . Xml::tags( 'legend', null, wfMsgExt( 'delete-legend', array( 'parsemag', 'escapenoentities' ) ) ) . Xml::openElement( 'table', array( 'id' => 'mw-deleteconfirm-table' ) ) . " " . Xml::checkLabel( wfMsg( 'revdelete-suppress' ), 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) . " " . Xml::label( wfMsg( 'deletecomment' ), 'wpDeleteReasonList' ) . " " . Xml::listDropDown( 'wpDeleteReasonList', wfMsgForContent( 'deletereason-dropdown' ), wfMsgForContent( 'deletereasonotherlist' ), '', 'wpReasonDropDown', 1 ) . " " . Xml::label( wfMsg( 'deleteotherreason' ), 'wpReason' ) . " " . Xml::input( 'wpReason', 60, $reason, array( 'type' => 'text', 'maxlength' => '255', 'tabindex' => '2', 'id' => 'wpReason' ) ) . " $suppress " . Xml::checkLabel( wfMsg( 'watchthis' ), 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) . " " . Xml::closeElement( 'table' ) . Xml::closeElement( 'fieldset' ) . Xml::hidden( 'wpEditToken', $wgUser->editToken() ) . Xml::closeElement( 'form' ); if( $wgUser->isAllowed( 'editinterface' ) ) { $skin = $wgUser->getSkin(); $link = $skin->makeLink ( 'MediaWiki:Deletereason-dropdown', wfMsgHtml( 'delete-edit-reasonlist' ) ); $form .= ' " . Xml::submitButton( wfMsg( 'deletepage' ), array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) . " ' . $link . '
'; } $wgOut->addHTML( $form ); LogEventsList::showLogExtract( $wgOut, 'delete', $this->mTitle->getPrefixedText() ); } /** * Perform a deletion and output success or failure messages */ public function doDelete( $reason, $suppress = false ) { global $wgOut, $wgUser; $id = $this->mTitle->getArticleID( GAID_FOR_UPDATE ); $error = ''; if( wfRunHooks('ArticleDelete', array(&$this, &$wgUser, &$reason, &$error)) ) { if( $this->doDeleteArticle( $reason, $suppress, $id ) ) { $deleted = $this->mTitle->getPrefixedText(); $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) ); $wgOut->setRobotPolicy( 'noindex,nofollow' ); $loglink = '[[Special:Log/delete|' . wfMsgNoTrans( 'deletionlog' ) . ']]'; $wgOut->addWikiMsg( 'deletedtext', $deleted, $loglink ); $wgOut->returnToMain( false ); wfRunHooks('ArticleDeleteComplete', array(&$this, &$wgUser, $reason, $id)); } else { if( $error == '' ) { $wgOut->showFatalError( wfMsgExt( 'cannotdelete', array( 'parse' ) ) ); $wgOut->addHTML( Xml::element( 'h2', null, LogPage::logName( 'delete' ) ) ); LogEventsList::showLogExtract( $wgOut, 'delete', $this->mTitle->getPrefixedText() ); } else { $wgOut->showFatalError( $error ); } } } } /** * Back-end article deletion * Deletes the article with database consistency, writes logs, purges caches * Returns success */ public function doDeleteArticle( $reason, $suppress = false, $id = 0 ) { global $wgUseSquid, $wgDeferredUpdateList; global $wgUseTrackbacks; wfDebug( __METHOD__."\n" ); $dbw = wfGetDB( DB_MASTER ); $ns = $this->mTitle->getNamespace(); $t = $this->mTitle->getDBkey(); $id = $id ? $id : $this->mTitle->getArticleID( GAID_FOR_UPDATE ); if( $t == '' || $id == 0 ) { return false; } $u = new SiteStatsUpdate( 0, 1, -(int)$this->isCountable( $this->getRawText() ), -1 ); array_push( $wgDeferredUpdateList, $u ); // Bitfields to further suppress the content if( $suppress ) { $bitfield = 0; // This should be 15... $bitfield |= Revision::DELETED_TEXT; $bitfield |= Revision::DELETED_COMMENT; $bitfield |= Revision::DELETED_USER; $bitfield |= Revision::DELETED_RESTRICTED; } else { $bitfield = 'rev_deleted'; } $dbw->begin(); // For now, shunt the revision data into the archive table. // Text is *not* removed from the text table; bulk storage // is left intact to avoid breaking block-compression or // immutable storage schemes. // // For backwards compatibility, note that some older archive // table entries will have ar_text and ar_flags fields still. // // In the future, we may keep revisions and mark them with // the rev_deleted field, which is reserved for this purpose. $dbw->insertSelect( 'archive', array( 'page', 'revision' ), array( 'ar_namespace' => 'page_namespace', 'ar_title' => 'page_title', 'ar_comment' => 'rev_comment', 'ar_user' => 'rev_user', 'ar_user_text' => 'rev_user_text', 'ar_timestamp' => 'rev_timestamp', 'ar_minor_edit' => 'rev_minor_edit', 'ar_rev_id' => 'rev_id', 'ar_text_id' => 'rev_text_id', 'ar_text' => '\'\'', // Be explicit to appease 'ar_flags' => '\'\'', // MySQL's "strict mode"... 'ar_len' => 'rev_len', 'ar_page_id' => 'page_id', 'ar_deleted' => $bitfield ), array( 'page_id' => $id, 'page_id = rev_page' ), __METHOD__ ); # Delete restrictions for it $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__ ); # Now that it's safely backed up, delete it $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__); $ok = ( $dbw->affectedRows() > 0 ); // getArticleId() uses slave, could be laggy if( !$ok ) { $dbw->rollback(); return false; } # Fix category table counts $cats = array(); $res = $dbw->select( 'categorylinks', 'cl_to', array( 'cl_from' => $id ), __METHOD__ ); foreach( $res as $row ) { $cats []= $row->cl_to; } $this->updateCategoryCounts( array(), $cats ); # If using cascading deletes, we can skip some explicit deletes if( !$dbw->cascadingDeletes() ) { $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__ ); if($wgUseTrackbacks) $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__ ); # Delete outgoing links $dbw->delete( 'pagelinks', array( 'pl_from' => $id ) ); $dbw->delete( 'imagelinks', array( 'il_from' => $id ) ); $dbw->delete( 'categorylinks', array( 'cl_from' => $id ) ); $dbw->delete( 'templatelinks', array( 'tl_from' => $id ) ); $dbw->delete( 'externallinks', array( 'el_from' => $id ) ); $dbw->delete( 'langlinks', array( 'll_from' => $id ) ); $dbw->delete( 'redirect', array( 'rd_from' => $id ) ); } # If using cleanup triggers, we can skip some manual deletes if( !$dbw->cleanupTriggers() ) { # Clean up recentchanges entries... $dbw->delete( 'recentchanges', array( 'rc_type != '.RC_LOG, 'rc_namespace' => $this->mTitle->getNamespace(), 'rc_title' => $this->mTitle->getDBKey() ), __METHOD__ ); $dbw->delete( 'recentchanges', array( 'rc_type != '.RC_LOG, 'rc_cur_id' => $id ), __METHOD__ ); } # Clear caches Article::onArticleDelete( $this->mTitle ); # Clear the cached article id so the interface doesn't act like we exist $this->mTitle->resetArticleID( 0 ); # Log the deletion, if the page was suppressed, log it at Oversight instead $logtype = $suppress ? 'suppress' : 'delete'; $log = new LogPage( $logtype ); # Make sure logging got through $log->addEntry( 'delete', $this->mTitle, $reason, array() ); $dbw->commit(); return true; } /** * Roll back the most recent consecutive set of edits to a page * from the same user; fails if there are no eligible edits to * roll back to, e.g. user is the sole contributor. This function * performs permissions checks on $wgUser, then calls commitRollback() * to do the dirty work * * @param $fromP String: Name of the user whose edits to rollback. * @param $summary String: Custom summary. Set to default summary if empty. * @param $token String: Rollback token. * @param $bot Boolean: If true, mark all reverted edits as bot. * * @param $resultDetails Array: contains result-specific array of additional values * 'alreadyrolled' : 'current' (rev) * success : 'summary' (str), 'current' (rev), 'target' (rev) * * @return array of errors, each error formatted as * array(messagekey, param1, param2, ...). * On success, the array is empty. This array can also be passed to * OutputPage::showPermissionsErrorPage(). */ public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails ) { global $wgUser; $resultDetails = null; # Check permissions $editErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $wgUser ); $rollbackErrors = $this->mTitle->getUserPermissionsErrors( 'rollback', $wgUser ); $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) ); if( !$wgUser->matchEditToken( $token, array( $this->mTitle->getPrefixedText(), $fromP ) ) ) $errors[] = array( 'sessionfailure' ); if( $wgUser->pingLimiter( 'rollback' ) || $wgUser->pingLimiter() ) { $errors[] = array( 'actionthrottledtext' ); } # If there were errors, bail out now if( !empty( $errors ) ) return $errors; return $this->commitRollback($fromP, $summary, $bot, $resultDetails); } /** * Backend implementation of doRollback(), please refer there for parameter * and return value documentation * * NOTE: This function does NOT check ANY permissions, it just commits the * rollback to the DB Therefore, you should only call this function direct- * ly if you want to use custom permissions checks. If you don't, use * doRollback() instead. */ public function commitRollback($fromP, $summary, $bot, &$resultDetails) { global $wgUseRCPatrol, $wgUser, $wgLang; $dbw = wfGetDB( DB_MASTER ); if( wfReadOnly() ) { return array( array( 'readonlytext' ) ); } # Get the last editor $current = Revision::newFromTitle( $this->mTitle ); if( is_null( $current ) ) { # Something wrong... no page? return array(array('notanarticle')); } $from = str_replace( '_', ' ', $fromP ); if( $from != $current->getUserText() ) { $resultDetails = array( 'current' => $current ); return array(array('alreadyrolled', htmlspecialchars($this->mTitle->getPrefixedText()), htmlspecialchars($fromP), htmlspecialchars($current->getUserText()) )); } # Get the last edit not by this guy $user = intval( $current->getUser() ); $user_text = $dbw->addQuotes( $current->getUserText() ); $s = $dbw->selectRow( 'revision', array( 'rev_id', 'rev_timestamp', 'rev_deleted' ), array( 'rev_page' => $current->getPage(), "rev_user != {$user} OR rev_user_text != {$user_text}" ), __METHOD__, array( 'USE INDEX' => 'page_timestamp', 'ORDER BY' => 'rev_timestamp DESC' ) ); if( $s === false ) { # No one else ever edited this page return array(array('cantrollback')); } else if( $s->rev_deleted & REVISION::DELETED_TEXT || $s->rev_deleted & REVISION::DELETED_USER ) { # Only admins can see this text return array(array('notvisiblerev')); } $set = array(); if( $bot && $wgUser->isAllowed('markbotedits') ) { # Mark all reverted edits as bot $set['rc_bot'] = 1; } if( $wgUseRCPatrol ) { # Mark all reverted edits as patrolled $set['rc_patrolled'] = 1; } if( $set ) { $dbw->update( 'recentchanges', $set, array( /* WHERE */ 'rc_cur_id' => $current->getPage(), 'rc_user_text' => $current->getUserText(), "rc_timestamp > '{$s->rev_timestamp}'", ), __METHOD__ ); } # Generate the edit summary if necessary $target = Revision::newFromId( $s->rev_id ); if( empty( $summary ) ){ $summary = wfMsgForContent( 'revertpage' ); } # Allow the custom summary to use the same args as the default message $args = array( $target->getUserText(), $from, $s->rev_id, $wgLang->timeanddate(wfTimestamp(TS_MW, $s->rev_timestamp), true), $current->getId(), $wgLang->timeanddate($current->getTimestamp()) ); $summary = wfMsgReplaceArgs( $summary, $args ); # Save $flags = EDIT_UPDATE; if( $wgUser->isAllowed('minoredit') ) $flags |= EDIT_MINOR; if( $bot && ($wgUser->isAllowed('markbotedits') || $wgUser->isAllowed('bot')) ) $flags |= EDIT_FORCE_BOT; # Actually store the edit $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId() ); if( !empty( $status->value['revision'] ) ) { $revId = $status->value['revision']->getId(); } else { $revId = false; } wfRunHooks( 'ArticleRollbackComplete', array( $this, $wgUser, $target, $current ) ); $resultDetails = array( 'summary' => $summary, 'current' => $current, 'target' => $target, 'newid' => $revId ); return array(); } /** * User interface for rollback operations */ public function rollback() { global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol; $details = null; $result = $this->doRollback( $wgRequest->getVal( 'from' ), $wgRequest->getText( 'summary' ), $wgRequest->getVal( 'token' ), $wgRequest->getBool( 'bot' ), $details ); if( in_array( array( 'actionthrottledtext' ), $result ) ) { $wgOut->rateLimited(); return; } if( isset( $result[0][0] ) && ( $result[0][0] == 'alreadyrolled' || $result[0][0] == 'cantrollback' ) ) { $wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) ); $errArray = $result[0]; $errMsg = array_shift( $errArray ); $wgOut->addWikiMsgArray( $errMsg, $errArray ); if( isset( $details['current'] ) ){ $current = $details['current']; if( $current->getComment() != '' ) { $wgOut->addWikiMsgArray( 'editcomment', array( $wgUser->getSkin()->formatComment( $current->getComment() ) ), array( 'replaceafter' ) ); } } return; } # Display permissions errors before read-only message -- there's no # point in misleading the user into thinking the inability to rollback # is only temporary. if( !empty( $result ) && $result !== array( array( 'readonlytext' ) ) ) { # array_diff is completely broken for arrays of arrays, sigh. Re- # move any 'readonlytext' error manually. $out = array(); foreach( $result as $error ) { if( $error != array( 'readonlytext' ) ) { $out []= $error; } } $wgOut->showPermissionsErrorPage( $out ); return; } if( $result == array( array( 'readonlytext' ) ) ) { $wgOut->readOnlyPage(); return; } $current = $details['current']; $target = $details['target']; $newId = $details['newid']; $wgOut->setPageTitle( wfMsg( 'actioncomplete' ) ); $wgOut->setRobotPolicy( 'noindex,nofollow' ); $old = $wgUser->getSkin()->userLink( $current->getUser(), $current->getUserText() ) . $wgUser->getSkin()->userToolLinks( $current->getUser(), $current->getUserText() ); $new = $wgUser->getSkin()->userLink( $target->getUser(), $target->getUserText() ) . $wgUser->getSkin()->userToolLinks( $target->getUser(), $target->getUserText() ); $wgOut->addHTML( wfMsgExt( 'rollback-success', array( 'parse', 'replaceafter' ), $old, $new ) ); $wgOut->returnToMain( false, $this->mTitle ); if( !$wgRequest->getBool( 'hidediff', false ) && !$wgUser->getBoolOption( 'norollbackdiff', false ) ) { $de = new DifferenceEngine( $this->mTitle, $current->getId(), $newId, false, true ); $de->showDiff( '', '' ); } } /** * Do standard deferred updates after page view */ public function viewUpdates() { global $wgDeferredUpdateList, $wgDisableCounters, $wgUser; # Don't update page view counters on views from bot users (bug 14044) if( !$wgDisableCounters && !$wgUser->isAllowed('bot') && $this->getID() ) { Article::incViewCount( $this->getID() ); $u = new SiteStatsUpdate( 1, 0, 0 ); array_push( $wgDeferredUpdateList, $u ); } # Update newtalk / watchlist notification status $wgUser->clearNotification( $this->mTitle ); } /** * Prepare text which is about to be saved. * Returns a stdclass with source, pst and output members */ public function prepareTextForEdit( $text, $revid=null ) { if( $this->mPreparedEdit && $this->mPreparedEdit->newText == $text && $this->mPreparedEdit->revid == $revid) { // Already prepared return $this->mPreparedEdit; } global $wgParser; $edit = (object)array(); $edit->revid = $revid; $edit->newText = $text; $edit->pst = $this->preSaveTransform( $text ); $options = new ParserOptions; $options->setTidy( true ); $options->enableLimitReport(); $edit->output = $wgParser->parse( $edit->pst, $this->mTitle, $options, true, true, $revid ); $edit->oldText = $this->getContent(); $this->mPreparedEdit = $edit; return $edit; } /** * Do standard deferred updates after page edit. * Update links tables, site stats, search index and message cache. * Purges pages that include this page if the text was changed here. * Every 100th edit, prune the recent changes table. * * @private * @param $text New text of the article * @param $summary Edit summary * @param $minoredit Minor edit * @param $timestamp_of_pagechange Timestamp associated with the page change * @param $newid rev_id value of the new revision * @param $changed Whether or not the content actually changed */ public function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) { global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgParser, $wgEnableParserCache; wfProfileIn( __METHOD__ ); # Parse the text # Be careful not to double-PST: $text is usually already PST-ed once if( !$this->mPreparedEdit || $this->mPreparedEdit->output->getFlag( 'vary-revision' ) ) { wfDebug( __METHOD__ . ": No prepared edit or vary-revision is set...\n" ); $editInfo = $this->prepareTextForEdit( $text, $newid ); } else { wfDebug( __METHOD__ . ": No vary-revision, using prepared edit...\n" ); $editInfo = $this->mPreparedEdit; } # Save it to the parser cache if( $wgEnableParserCache ) { $popts = new ParserOptions; $popts->setTidy( true ); $popts->enableLimitReport(); $parserCache = ParserCache::singleton(); $parserCache->save( $editInfo->output, $this, $popts ); } # Update the links tables $u = new LinksUpdate( $this->mTitle, $editInfo->output ); $u->doUpdate(); wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $changed ) ); if( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) { if( 0 == mt_rand( 0, 99 ) ) { // Flush old entries from the `recentchanges` table; we do this on // random requests so as to avoid an increase in writes for no good reason global $wgRCMaxAge; $dbw = wfGetDB( DB_MASTER ); $cutoff = $dbw->timestamp( time() - $wgRCMaxAge ); $recentchanges = $dbw->tableName( 'recentchanges' ); $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$cutoff}'"; $dbw->query( $sql ); } } $id = $this->getID(); $title = $this->mTitle->getPrefixedDBkey(); $shortTitle = $this->mTitle->getDBkey(); if( 0 == $id ) { wfProfileOut( __METHOD__ ); return; } $u = new SiteStatsUpdate( 0, 1, $this->mGoodAdjustment, $this->mTotalAdjustment ); array_push( $wgDeferredUpdateList, $u ); $u = new SearchUpdate( $id, $title, $text ); array_push( $wgDeferredUpdateList, $u ); # If this is another user's talk page, update newtalk # Don't do this if $changed = false otherwise some idiot can null-edit a # load of user talk pages and piss people off, nor if it's a minor edit # by a properly-flagged bot. if( $this->mTitle->getNamespace() == NS_USER_TALK && $shortTitle != $wgUser->getTitleKey() && $changed && !( $minoredit && $wgUser->isAllowed( 'nominornewtalk' ) ) ) { if( wfRunHooks('ArticleEditUpdateNewTalk', array( &$this ) ) ) { $other = User::newFromName( $shortTitle, false ); if( !$other ) { wfDebug( __METHOD__.": invalid username\n" ); } elseif( User::isIP( $shortTitle ) ) { // An anonymous user $other->setNewtalk( true ); } elseif( $other->isLoggedIn() ) { $other->setNewtalk( true ); } else { wfDebug( __METHOD__. ": don't need to notify a nonexistent user\n" ); } } } if( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) { $wgMessageCache->replace( $shortTitle, $text ); } wfProfileOut( __METHOD__ ); } /** * Perform article updates on a special page creation. * * @param $rev Revision object * * @todo This is a shitty interface function. Kill it and replace the * other shitty functions like editUpdates and such so it's not needed * anymore. */ public function createUpdates( $rev ) { $this->mGoodAdjustment = $this->isCountable( $rev->getText() ); $this->mTotalAdjustment = 1; $this->editUpdates( $rev->getText(), $rev->getComment(), $rev->isMinor(), wfTimestamp(), $rev->getId(), true ); } /** * Generate the navigation links when browsing through an article revisions * It shows the information as: * Revision as of \; view current revision * \<- Previous version | Next Version -\> * * @param $oldid String: revision ID of this article revision */ public function setOldSubtitle( $oldid = 0 ) { global $wgLang, $wgOut, $wgUser, $wgRequest; if( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) { return; } $revision = Revision::newFromId( $oldid ); $current = ( $oldid == $this->mLatest ); $td = $wgLang->timeanddate( $this->mTimestamp, true ); $sk = $wgUser->getSkin(); $lnk = $current ? wfMsgHtml( 'currentrevisionlink' ) : $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'currentrevisionlink' ) ); $curdiff = $current ? wfMsgHtml( 'diff' ) : $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'diff' ), 'diff=cur&oldid='.$oldid ); $prev = $this->mTitle->getPreviousRevisionID( $oldid ) ; $prevlink = $prev ? $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'previousrevision' ), 'direction=prev&oldid='.$oldid ) : wfMsgHtml( 'previousrevision' ); $prevdiff = $prev ? $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'diff' ), 'diff=prev&oldid='.$oldid ) : wfMsgHtml( 'diff' ); $nextlink = $current ? wfMsgHtml( 'nextrevision' ) : $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'nextrevision' ), 'direction=next&oldid='.$oldid ); $nextdiff = $current ? wfMsgHtml( 'diff' ) : $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'diff' ), 'diff=next&oldid='.$oldid ); $cdel=''; if( $wgUser->isAllowed( 'deleterevision' ) ) { $revdel = SpecialPage::getTitleFor( 'Revisiondelete' ); if( $revision->isCurrent() ) { // We don't handle top deleted edits too well $cdel = wfMsgHtml( 'rev-delundel' ); } else if( !$revision->userCan( Revision::DELETED_RESTRICTED ) ) { // If revision was hidden from sysops $cdel = wfMsgHtml( 'rev-delundel' ); } else { $cdel = $sk->makeKnownLinkObj( $revdel, wfMsgHtml('rev-delundel'), 'target=' . urlencode( $this->mTitle->getPrefixedDbkey() ) . '&oldid=' . urlencode( $oldid ) ); // Bolden oversighted content if( $revision->isDeleted( Revision::DELETED_RESTRICTED ) ) $cdel = "$cdel"; } $cdel = "($cdel) "; } $unhide = $wgRequest->getInt('unhide') == 1 && $wgUser->matchEditToken( $wgRequest->getVal('token'), $oldid ); # Show user links if allowed to see them. If hidden, then show them only if requested... $userlinks = $sk->revUserTools( $revision, !$unhide ); $m = wfMsg( 'revision-info-current' ); $infomsg = $current && !wfEmptyMsg( 'revision-info-current', $m ) && $m != '-' ? 'revision-info-current' : 'revision-info'; $r = "\n\t\t\t\t " . wfMsgExt( $infomsg, array( 'parseinline', 'replaceafter' ), $td, $userlinks, $revision->getID() ) . "\n" . "\n\t\t\t\t \n\t\t\t"; $wgOut->setSubtitle( $r ); } /** * This function is called right before saving the wikitext, * so we can do things like signatures and links-in-context. * * @param $text String */ public function preSaveTransform( $text ) { global $wgParser, $wgUser; return $wgParser->preSaveTransform( $text, $this->mTitle, $wgUser, ParserOptions::newFromUser( $wgUser ) ); } /* Caching functions */ /** * checkLastModified returns true if it has taken care of all * output to the client that is necessary for this request. * (that is, it has sent a cached version of the page) */ protected function tryFileCache() { static $called = false; if( $called ) { wfDebug( "Article::tryFileCache(): called twice!?\n" ); return false; } $called = true; if( $this->isFileCacheable() ) { $cache = new HTMLFileCache( $this->mTitle ); if( $cache->isFileCacheGood( $this->mTouched ) ) { wfDebug( "Article::tryFileCache(): about to load file\n" ); $cache->loadFromFileCache(); return true; } else { wfDebug( "Article::tryFileCache(): starting buffer\n" ); ob_start( array(&$cache, 'saveToFileCache' ) ); } } else { wfDebug( "Article::tryFileCache(): not cacheable\n" ); } return false; } /** * Check if the page can be cached * @return bool */ public function isFileCacheable() { $cacheable = false; if( HTMLFileCache::useFileCache() ) { $cacheable = $this->getID() && !$this->mRedirectedFrom; // Extension may have reason to disable file caching on some pages. if( $cacheable ) { $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) ); } } return $cacheable; } /** * Loads page_touched and returns a value indicating if it should be used * */ public function checkTouched() { if( !$this->mDataLoaded ) { $this->loadPageData(); } return !$this->mIsRedirect; } /** * Get the page_touched field */ public function getTouched() { # Ensure that page data has been loaded if( !$this->mDataLoaded ) { $this->loadPageData(); } return $this->mTouched; } /** * Get the page_latest field */ public function getLatest() { if( !$this->mDataLoaded ) { $this->loadPageData(); } return (int)$this->mLatest; } /** * Edit an article without doing all that other stuff * The article must already exist; link tables etc * are not updated, caches are not flushed. * * @param $text String: text submitted * @param $comment String: comment submitted * @param $minor Boolean: whereas it's a minor modification */ public function quickEdit( $text, $comment = '', $minor = 0 ) { wfProfileIn( __METHOD__ ); $dbw = wfGetDB( DB_MASTER ); $revision = new Revision( array( 'page' => $this->getId(), 'text' => $text, 'comment' => $comment, 'minor_edit' => $minor ? 1 : 0, ) ); $revision->insertOn( $dbw ); $this->updateRevisionOn( $dbw, $revision ); wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, false, $wgUser) ); wfProfileOut( __METHOD__ ); } /** * Used to increment the view counter * * @param $id Integer: article id */ public static function incViewCount( $id ) { $id = intval( $id ); global $wgHitcounterUpdateFreq, $wgDBtype; $dbw = wfGetDB( DB_MASTER ); $pageTable = $dbw->tableName( 'page' ); $hitcounterTable = $dbw->tableName( 'hitcounter' ); $acchitsTable = $dbw->tableName( 'acchits' ); if( $wgHitcounterUpdateFreq <= 1 ) { $dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" ); return; } # Not important enough to warrant an error page in case of failure $oldignore = $dbw->ignoreErrors( true ); $dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" ); $checkfreq = intval( $wgHitcounterUpdateFreq/25 + 1 ); if( (rand() % $checkfreq != 0) or ($dbw->lastErrno() != 0) ){ # Most of the time (or on SQL errors), skip row count check $dbw->ignoreErrors( $oldignore ); return; } $res = $dbw->query("SELECT COUNT(*) as n FROM $hitcounterTable"); $row = $dbw->fetchObject( $res ); $rown = intval( $row->n ); if( $rown >= $wgHitcounterUpdateFreq ){ wfProfileIn( 'Article::incViewCount-collect' ); $old_user_abort = ignore_user_abort( true ); if($wgDBtype == 'mysql') $dbw->query("LOCK TABLES $hitcounterTable WRITE"); $tabletype = $wgDBtype == 'mysql' ? "ENGINE=HEAP " : ''; $dbw->query("CREATE TEMPORARY TABLE $acchitsTable $tabletype AS ". "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable ". 'GROUP BY hc_id'); $dbw->query("DELETE FROM $hitcounterTable"); if($wgDBtype == 'mysql') { $dbw->query('UNLOCK TABLES'); $dbw->query("UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n ". 'WHERE page_id = hc_id'); } else { $dbw->query("UPDATE $pageTable SET page_counter=page_counter + hc_n ". "FROM $acchitsTable WHERE page_id = hc_id"); } $dbw->query("DROP TABLE $acchitsTable"); ignore_user_abort( $old_user_abort ); wfProfileOut( 'Article::incViewCount-collect' ); } $dbw->ignoreErrors( $oldignore ); } /**#@+ * The onArticle*() functions are supposed to be a kind of hooks * which should be called whenever any of the specified actions * are done. * * This is a good place to put code to clear caches, for instance. * * This is called on page move and undelete, as well as edit * * @param $title a title object */ public static function onArticleCreate( $title ) { # Update existence markers on article/talk tabs... if( $title->isTalkPage() ) { $other = $title->getSubjectPage(); } else { $other = $title->getTalkPage(); } $other->invalidateCache(); $other->purgeSquid(); $title->touchLinks(); $title->purgeSquid(); $title->deleteTitleProtection(); } public static function onArticleDelete( $title ) { global $wgMessageCache; # Update existence markers on article/talk tabs... if( $title->isTalkPage() ) { $other = $title->getSubjectPage(); } else { $other = $title->getTalkPage(); } $other->invalidateCache(); $other->purgeSquid(); $title->touchLinks(); $title->purgeSquid(); # File cache HTMLFileCache::clearFileCache( $title ); # Messages if( $title->getNamespace() == NS_MEDIAWIKI ) { $wgMessageCache->replace( $title->getDBkey(), false ); } # Images if( $title->getNamespace() == NS_FILE ) { $update = new HTMLCacheUpdate( $title, 'imagelinks' ); $update->doUpdate(); } # User talk pages if( $title->getNamespace() == NS_USER_TALK ) { $user = User::newFromName( $title->getText(), false ); $user->setNewtalk( false ); } # Image redirects RepoGroup::singleton()->getLocalRepo()->invalidateImageRedirect( $title ); } /** * Purge caches on page update etc */ public static function onArticleEdit( $title, $flags = '' ) { global $wgDeferredUpdateList; // Invalidate caches of articles which include this page $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'templatelinks' ); // Invalidate the caches of all pages which redirect here $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'redirect' ); # Purge squid for this page only $title->purgeSquid(); # Clear file cache for this page only HTMLFileCache::clearFileCache( $title ); } /**#@-*/ /** * Overriden by ImagePage class, only present here to avoid a fatal error * Called for ?action=revert */ public function revert() { global $wgOut; $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' ); } /** * Info about this page * Called for ?action=info when $wgAllowPageInfo is on. */ public function info() { global $wgLang, $wgOut, $wgAllowPageInfo, $wgUser; if( !$wgAllowPageInfo ) { $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' ); return; } $page = $this->mTitle->getSubjectPage(); $wgOut->setPagetitle( $page->getPrefixedText() ); $wgOut->setPageTitleActionText( wfMsg( 'info_short' ) ); $wgOut->setSubtitle( wfMsgHtml( 'infosubtitle' ) ); if( !$this->mTitle->exists() ) { $wgOut->addHTML( '' ); if( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) { // This doesn't quite make sense; the user is asking for // information about the _page_, not the message... -- RC $wgOut->addHTML( htmlspecialchars( wfMsgWeirdKey( $this->mTitle->getText() ) ) ); } else { $msg = $wgUser->isLoggedIn() ? 'noarticletext' : 'noarticletextanon'; $wgOut->addHTML( wfMsgExt( $msg, 'parse' ) ); } $wgOut->addHTML( '' ); } else { $dbr = wfGetDB( DB_SLAVE ); $wl_clause = array( 'wl_title' => $page->getDBkey(), 'wl_namespace' => $page->getNamespace() ); $numwatchers = $dbr->selectField( 'watchlist', 'COUNT(*)', $wl_clause, __METHOD__, $this->getSelectOptions() ); $pageInfo = $this->pageCountInfo( $page ); $talkInfo = $this->pageCountInfo( $page->getTalkPage() ); $wgOut->addHTML( "' ); } } /** * Return the total number of edits and number of unique editors * on a given page. If page does not exist, returns false. * * @param $title Title object * @return array */ public function pageCountInfo( $title ) { $id = $title->getArticleId(); if( $id == 0 ) { return false; } $dbr = wfGetDB( DB_SLAVE ); $rev_clause = array( 'rev_page' => $id ); $edits = $dbr->selectField( 'revision', 'COUNT(rev_page)', $rev_clause, __METHOD__, $this->getSelectOptions() ); $authors = $dbr->selectField( 'revision', 'COUNT(DISTINCT rev_user_text)', $rev_clause, __METHOD__, $this->getSelectOptions() ); return array( 'edits' => $edits, 'authors' => $authors ); } /** * Return a list of templates used by this article. * Uses the templatelinks table * * @return Array of Title objects */ public function getUsedTemplates() { $result = array(); $id = $this->mTitle->getArticleID(); if( $id == 0 ) { return array(); } $dbr = wfGetDB( DB_SLAVE ); $res = $dbr->select( array( 'templatelinks' ), array( 'tl_namespace', 'tl_title' ), array( 'tl_from' => $id ), __METHOD__ ); if( $res !== false ) { foreach( $res as $row ) { $result[] = Title::makeTitle( $row->tl_namespace, $row->tl_title ); } } $dbr->freeResult( $res ); return $result; } /** * Returns a list of hidden categories this page is a member of. * Uses the page_props and categorylinks tables. * * @return Array of Title objects */ public function getHiddenCategories() { $result = array(); $id = $this->mTitle->getArticleID(); if( $id == 0 ) { return array(); } $dbr = wfGetDB( DB_SLAVE ); $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ), array( 'cl_to' ), array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat', 'page_namespace' => NS_CATEGORY, 'page_title=cl_to'), __METHOD__ ); if( $res !== false ) { foreach( $res as $row ) { $result[] = Title::makeTitle( NS_CATEGORY, $row->cl_to ); } } $dbr->freeResult( $res ); return $result; } /** * Return an applicable autosummary if one exists for the given edit. * @param $oldtext String: the previous text of the page. * @param $newtext String: The submitted text of the page. * @param $flags Bitmask: a bitmask of flags submitted for the edit. * @return string An appropriate autosummary, or an empty string. */ public static function getAutosummary( $oldtext, $newtext, $flags ) { # Decide what kind of autosummary is needed. # Redirect autosummaries $ot = Title::newFromRedirect( $oldtext ); $rt = Title::newFromRedirect( $newtext ); if( is_object( $rt ) && ( !is_object( $ot ) || !$rt->equals( $ot ) || $ot->getFragment() != $rt->getFragment() ) ) { return wfMsgForContent( 'autoredircomment', $rt->getFullText() ); } # New page autosummaries if( $flags & EDIT_NEW && strlen( $newtext ) ) { # If they're making a new article, give its text, truncated, in the summary. global $wgContLang; $truncatedtext = $wgContLang->truncate( str_replace("\n", ' ', $newtext), max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new' ) ) ) ); return wfMsgForContent( 'autosumm-new', $truncatedtext ); } # Blanking autosummaries if( $oldtext != '' && $newtext == '' ) { return wfMsgForContent( 'autosumm-blank' ); } elseif( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500) { # Removing more than 90% of the article global $wgContLang; $truncatedtext = $wgContLang->truncate( $newtext, max( 0, 200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) ) ); return wfMsgForContent( 'autosumm-replace', $truncatedtext ); } # If we reach this point, there's no applicable autosummary for our case, so our # autosummary is empty. return ''; } /** * Add the primary page-view wikitext to the output buffer * Saves the text into the parser cache if possible. * Updates templatelinks if it is out of date. * * @param $text String * @param $cache Boolean */ public function outputWikiText( $text, $cache = true ) { global $wgParser, $wgOut, $wgEnableParserCache, $wgUseFileCache; $popts = $wgOut->parserOptions(); $popts->setTidy(true); $popts->enableLimitReport(); $parserOutput = $wgParser->parse( $text, $this->mTitle, $popts, true, true, $this->getRevIdFetched() ); $popts->setTidy(false); $popts->enableLimitReport( false ); if( $wgEnableParserCache && $cache && $this && $parserOutput->getCacheTime() != -1 ) { $parserCache = ParserCache::singleton(); $parserCache->save( $parserOutput, $this, $popts ); } // Make sure file cache is not used on uncacheable content. // Output that has magic words in it can still use the parser cache // (if enabled), though it will generally expire sooner. if( $parserOutput->getCacheTime() == -1 || $parserOutput->containsOldMagic() ) { $wgUseFileCache = false; } if( $this->isCurrent() && !wfReadOnly() && $this->mTitle->areRestrictionsCascading() ) { // templatelinks table may have become out of sync, // especially if using variable-based transclusions. // For paranoia, check if things have changed and if // so apply updates to the database. This will ensure // that cascaded protections apply as soon as the changes // are visible. # Get templates from templatelinks $id = $this->mTitle->getArticleID(); $tlTemplates = array(); $dbr = wfGetDB( DB_SLAVE ); $res = $dbr->select( array( 'templatelinks' ), array( 'tl_namespace', 'tl_title' ), array( 'tl_from' => $id ), __METHOD__ ); global $wgContLang; foreach( $res as $row ) { $tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true; } # Get templates from parser output. $poTemplates = array(); foreach ( $parserOutput->getTemplates() as $ns => $templates ) { foreach ( $templates as $dbk => $id ) { $key = $row->tl_namespace . ':'. $row->tl_title; $poTemplates["$ns:$dbk"] = true; } } # Get the diff # Note that we simulate array_diff_key in PHP <5.0.x $templates_diff = array_diff_key( $poTemplates, $tlTemplates ); if( count( $templates_diff ) > 0 ) { # Whee, link updates time. $u = new LinksUpdate( $this->mTitle, $parserOutput, false ); $u->doUpdate(); } } $wgOut->addParserOutput( $parserOutput ); } /** * Update all the appropriate counts in the category table, given that * we've added the categories $added and deleted the categories $deleted. * * @param $added array The names of categories that were added * @param $deleted array The names of categories that were deleted * @return null */ public function updateCategoryCounts( $added, $deleted ) { $ns = $this->mTitle->getNamespace(); $dbw = wfGetDB( DB_MASTER ); # First make sure the rows exist. If one of the "deleted" ones didn't # exist, we might legitimately not create it, but it's simpler to just # create it and then give it a negative value, since the value is bogus # anyway. # # Sometimes I wish we had INSERT ... ON DUPLICATE KEY UPDATE. $insertCats = array_merge( $added, $deleted ); if( !$insertCats ) { # Okay, nothing to do return; } $insertRows = array(); foreach( $insertCats as $cat ) { $insertRows[] = array( 'cat_title' => $cat ); } $dbw->insert( 'category', $insertRows, __METHOD__, 'IGNORE' ); $addFields = array( 'cat_pages = cat_pages + 1' ); $removeFields = array( 'cat_pages = cat_pages - 1' ); if( $ns == NS_CATEGORY ) { $addFields[] = 'cat_subcats = cat_subcats + 1'; $removeFields[] = 'cat_subcats = cat_subcats - 1'; } elseif( $ns == NS_FILE ) { $addFields[] = 'cat_files = cat_files + 1'; $removeFields[] = 'cat_files = cat_files - 1'; } if( $added ) { $dbw->update( 'category', $addFields, array( 'cat_title' => $added ), __METHOD__ ); } if( $deleted ) { $dbw->update( 'category', $removeFields, array( 'cat_title' => $deleted ), __METHOD__ ); } } }
- " . wfMsg("numwatchers", $wgLang->formatNum( $numwatchers ) ) . '
' ); $wgOut->addHTML( "- " . wfMsg('numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '
'); if( $talkInfo ) { $wgOut->addHTML( '- ' . wfMsg("numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '
'); } $wgOut->addHTML( '- ' . wfMsg("numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '
' ); if( $talkInfo ) { $wgOut->addHTML( '- ' . wfMsg('numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '
' ); } $wgOut->addHTML( '