rendered paste body<?php/** * File for articles * @package MediaWiki *//** * Class representing a MediaWiki article and history. * * See design.txt for an overview. * Note: edit user interface and cache support functions have been * moved to separate EditPage and HTMLFileCache classes. * * @package MediaWiki */class Article { /**@{{ * @private */ var $mComment; //!< var $mContent; //!< var $mContentLoaded; //!< var $mCounter; //!< var $mForUpdate; //!< var $mGoodAdjustment; //!< var $mLatest; //!< var $mMinorEdit; //!< var $mOldId; //!< var $mRedirectedFrom; //!< var $mRedirectUrl; //!< var $mRevIdFetched; //!< var $mRevision; //!< var $mTimestamp; //!< var $mTitle; //!< var $mTotalAdjustment; //!< var $mTouched; //!< var $mUser; //!< var $mUserText; //!< /**@}}*/ /** * Constructor and clear the article * @param $title Reference to a Title object. * @param $oldId Integer revision ID, null to fetch from request, zero for current */ function Article( &$title, $oldId = null ) { $this->mTitle =& $title; $this->mOldId = $oldId; $this->clear(); } /** * Tell the page view functions that this view was redirected * from another page on the wiki. * @param $from Title object. */ function setRedirectedFrom( $from ) { $this->mRedirectedFrom = $from; } /** * @return mixed false, Title of in-wiki target, or string with URL */ function followRedirect() { $text = $this->getContent(); $rt = Title::newFromRedirect( $text ); # 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 */ function getTitle() { return $this->mTitle; } /** * Clear the object * @private */ 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->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; } /** * Note that getContent/loadContent do not follow redirects anymore. * If you need to fetch redirectable content easily, try * the shortcut in Article::followContent() * FIXME * @todo There are still side-effects in this! * In general, you should use the Revision class, not Article, * to fetch text for purposes other than page views. * * @return Return the text of this revision */ function getContent() { global $wgUser, $wgOut; wfProfileIn( __METHOD__ ); if ( 0 == $this->getID() ) { wfProfileOut( __METHOD__ ); $wgOut->setRobotpolicy( 'noindex,nofollow' ); if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) { $ret = wfMsgWeirdKey ( $this->mTitle->getText() ) ; } else { $ret = wfMsg( $wgUser->isLoggedIn() ? 'noarticletext' : 'noarticletextanon' ); } return "<div class='noarticletext'>$ret</div>"; } else { $this->loadContent(); wfProfileOut( __METHOD__ ); return $this->mContent; } } /** * This function returns the text of a section, specified by a number ($section). * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or * the first section before any such heading (section 0). * * If a section contains subsections, these are also returned. * * @param $text String: text to look in * @param $section Integer: section number * @return string text of the requested section * @deprecated */ function getSection($text,$section) { global $wgParser; return $wgParser->getSection( $text, $section ); } /** * @return int The oldid of the article that is to be shown, 0 for the * current revision */ function getOldID() { if ( is_null( $this->mOldId ) ) { $this->mOldId = $this->getOldIDFromRequest(); } return $this->mOldId; } /** * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect * * @return int The old id for the request */ function getOldIDFromRequest() { global $wgRequest; $this->mRedirectUrl = false; $oldid = $wgRequest->getVal( 'oldid' ); if ( isset( $oldid ) ) { $oldid = intval( $oldid ); if ( $wgRequest->getVal( 'direction' ) == 'next' ) { $nextid = $this->mTitle->getNextRevisionID( $oldid ); if ( $nextid ) { $oldid = $nextid; } else { $this->mRedirectUrl = $this->mTitle->getFullURL( 'redirect=no' ); } } elseif ( $wgRequest->getVal( 'direction' ) == 'prev' ) { $previd = $this->mTitle->getPreviousRevisionID( $oldid ); if ( $previd ) { $oldid = $previd; } else { # TODO } } # unused: # $lastid = $oldid; } if ( !$oldid ) { $oldid = 0; } return $oldid; } /** * Load the revision (including text) into this object */ function loadContent() { if ( $this->mContentLoaded ) return; # Query variables :P $oldid = $this->getOldID(); # Pre-fill content with error message so that if something # fails we'll have something telling us what we intended. $this->mOldId = $oldid; $this->fetchContent( $oldid ); } /** * Fetch a page record with the given conditions * @param Database $dbr * @param array $conditions * @private */ function pageData( &$dbr, $conditions ) { $fields = array( 'page_id', 'page_namespace', 'page_title', 'page_restrictions', 'page_counter', 'page_is_redirect', 'page_is_new', 'page_random', 'page_touched', 'page_latest', 'page_len' ) ; wfRunHooks( 'ArticlePageDataBefore', array( &$this , &$fields ) ) ; $row = $dbr->selectRow( 'page', $fields, $conditions, 'Article::pageData' ); wfRunHooks( 'ArticlePageDataAfter', array( &$this , &$row ) ) ; return $row ; } /** * @param Database $dbr * @param Title $title */ function pageDataFromTitle( &$dbr, $title ) { return $this->pageData( $dbr, array( 'page_namespace' => $title->getNamespace(), 'page_title' => $title->getDBkey() ) ); } /** * @param Database $dbr * @param int $id */ function pageDataFromId( &$dbr, $id ) { return $this->pageData( $dbr, array( 'page_id' => $id ) ); } /** * Set the general counter, title etc data loaded from * some source. * * @param object $data * @private */ function loadPageData( $data = 'fromdb' ) { if ( $data === 'fromdb' ) { $dbr =& $this->getDB(); $data = $this->pageDataFromId( $dbr, $this->getId() ); } $lc =& LinkCache::singleton(); if ( $data ) { $lc->addGoodLinkObj( $data->page_id, $this->mTitle ); $this->mTitle->mArticleID = $data->page_id; $this->mTitle->loadRestrictions( $data->page_restrictions ); $this->mTitle->mRestrictionsLoaded = true; $this->mCounter = $data->page_counter; $this->mTouched = wfTimestamp( TS_MW, $data->page_touched ); $this->mIsRedirect = $data->page_is_redirect; $this->mLatest = $data->page_latest; } else { if ( is_object( $this->mTitle ) ) { $lc->addBadLinkObj( $this->mTitle ); } $this->mTitle->mArticleID = 0; } $this->mDataLoaded = true; } /** * Get text of an article from database * Does *NOT* follow redirects. * @param int $oldid 0 for whatever the latest revision is * @return string */ function fetchContent( $oldid = 0 ) { if ( $this->mContentLoaded ) { return $this->mContent; } $dbr =& $this->getDB(); # Pre-fill content with error message so that if something # fails we'll have something telling us what we intended. $t = $this->mTitle->getPrefixedText(); if( $oldid ) { $t .= ',oldid='.$oldid; } $this->mContent = wfMsg( 'missingarticle', $t ) ; if( $oldid ) { $revision = Revision::newFromId( $oldid ); if( is_null( $revision ) ) { wfDebug( __METHOD__." failed to retrieve specified revision, id $oldid\n" ); return false; } $data = $this->pageDataFromId( $dbr, $revision->getPage() ); if( !$data ) { wfDebug( __METHOD__." failed to get page data linked to revision id $oldid\n" ); return false; } $this->mTitle = Title::makeTitle( $data->page_namespace, $data->page_title ); $this->loadPageData( $data ); } else { if( !$this->mDataLoaded ) { $data = $this->pageDataFromTitle( $dbr, $this->mTitle ); if( !$data ) { wfDebug( __METHOD__." failed to find page data for title " . $this->mTitle->getPrefixedText() . "\n" ); return false; } $this->loadPageData( $data ); } $revision = Revision::newFromId( $this->mLatest ); if( is_null( $revision ) ) { wfDebug( __METHOD__." failed to retrieve current page, rev_id {$data->page_latest}\n" ); return false; } } // FIXME: Horrible, horrible! This content-loading interface just plain sucks. // We should instead work with the Revision object when we need it... $this->mContent = $revision->userCan( Revision::DELETED_TEXT ) ? $revision->getRawText() : ""; //$this->mContent = $revision->getText(); $this->mUser = $revision->getUser(); $this->mUserText = $revision->getUserText(); $this->mComment = $revision->getComment(); $this->mTimestamp = wfTimestamp( TS_MW, $revision->getTimestamp() ); $this->mRevIdFetched = $revision->getID(); $this->mContentLoaded = true; $this->mRevision =& $revision; wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent ) ) ; return $this->mContent; } /** * Read/write accessor to select FOR UPDATE * * @param $x Mixed: FIXME */ function forUpdate( $x = NULL ) { return wfSetVar( $this->mForUpdate, $x ); } /** * Get the database which should be used for reads * * @return Database */ function &getDB() { $ret =& wfGetDB( DB_MASTER ); return $ret; } /** * Get options for all SELECT statements * * @param $options Array: an optional options array which'll be appended to * the default * @return Array: options */ function getSelectOptions( $options = '' ) { if ( $this->mForUpdate ) { if ( is_array( $options ) ) { $options[] = 'FOR UPDATE'; } else { $options = 'FOR UPDATE'; } } return $options; } /** * @return int Page ID */ function getID() { if( $this->mTitle ) { return $this->mTitle->getArticleID(); } else { return 0; } } /** * @return bool Whether or not the page exists in the database */ function exists() { return $this->getId() != 0; } /** * @return int The view count for the page */ function getCount() { if ( -1 == $this->mCounter ) { $id = $this->getID(); if ( $id == 0 ) { $this->mCounter = 0; } else { $dbr =& wfGetDB( DB_SLAVE ); $this->mCounter = $dbr->selectField( 'page', 'page_counter', array( 'page_id' => $id ), 'Article::getCount', $this->getSelectOptions() ); } } return $this->mCounter; } /** * Determine whether a page would be suitable for being counted as an * article in the site_stats table based on the title & its content * * @param $text String: text to analyze * @return bool */ function isCountable( $text ) { global $wgUseCommaCount, $wgContentNamespaces; $token = $wgUseCommaCount ? ',' : '[['; return array_search( $this->mTitle->getNamespace(), $wgContentNamespaces ) !== false && ! $this->isRedirect( $text ) && in_string( $token, $text ); } /** * Tests if the article text represents a redirect * * @param $text String: FIXME * @return bool */ function isRedirect( $text = false ) { if ( $text === false ) { $this->loadContent(); $titleObj = Title::newFromRedirect( $this->fetchContent() ); } else { $titleObj = Title::newFromRedirect( $text ); } return $titleObj !== NULL; } /** * Returns true if the currently-referenced revision is the current edit * to this page (and it exists). * @return bool */ function isCurrent() { return $this->exists() && isset( $this->mRevision ) && $this->mRevision->isCurrent(); } /** * Loads everything except the text * This isn't necessary for all uses, so it's only done if needed. * @private */ function loadLastEdit() { if ( -1 != $this->mUser ) return; # New or non-existent articles have no user information $id = $this->getID(); if ( 0 == $id ) return; $this->mLastRevision = Revision::loadFromPageId( $this->getDB(), $id ); if( !is_null( $this->mLastRevision ) ) { $this->mUser = $this->mLastRevision->getUser(); $this->mUserText = $this->mLastRevision->getUserText(); $this->mTimestamp = $this->mLastRevision->getTimestamp(); $this->mComment = $this->mLastRevision->getComment(); $this->mMinorEdit = $this->mLastRevision->isMinor(); $this->mRevIdFetched = $this->mLastRevision->getID(); } } function getTimestamp() { // Check if the field has been filled by ParserCache::get() if ( !$this->mTimestamp ) { $this->loadLastEdit(); } return wfTimestamp(TS_MW, $this->mTimestamp); } function getUser() { $this->loadLastEdit(); return $this->mUser; } function getUserText() { $this->loadLastEdit(); return $this->mUserText; } function getComment() { $this->loadLastEdit(); return $this->mComment; } function getMinorEdit() { $this->loadLastEdit(); return $this->mMinorEdit; } function getRevIdFetched() { $this->loadLastEdit(); return $this->mRevIdFetched; } /** * @todo Document, fixme $offset never used. * @param $limit Integer: default 0. * @param $offset Integer: default 0. */ function getContributors($limit = 0, $offset = 0) { # XXX: this is expensive; cache this info somewhere. $contribs = array(); $dbr =& wfGetDB( DB_SLAVE ); $revTable = $dbr->tableName( 'revision' ); $userTable = $dbr->tableName( 'user' ); $user = $this->getUser(); $pageId = $this->getId(); $sql = "SELECT rev_user, rev_user_text, user_real_name, MAX(rev_timestamp) as timestamp FROM $revTable LEFT JOIN $userTable ON rev_user = user_id WHERE rev_page = $pageId AND rev_user != $user GROUP BY rev_user, rev_user_text, user_real_name ORDER BY timestamp DESC"; if ($limit > 0) { $sql .= ' LIMIT '.$limit; } $sql .= ' '. $this->getSelectOptions(); $res = $dbr->query($sql, __METHOD__); while ( $line = $dbr->fetchObject( $res ) ) { $contribs[] = array($line->rev_user, $line->rev_user_text, $line->user_real_name); } $dbr->freeResult($res); return $contribs; } /** * This is the default action of the script: just view the page of * the given title. */ function view() { global $wgUser, $wgOut, $wgRequest, $wgContLang; global $wgEnableParserCache, $wgStylePath, $wgUseRCPatrol, $wgParser; global $wgUseTrackbacks, $wgNamespaceRobotPolicies; $sk = $wgUser->getSkin(); wfProfileIn( __METHOD__ ); $parserCache =& ParserCache::singleton(); $ns = $this->mTitle->getNamespace(); # shortcut # Get variables from query string $oldid = $this->getOldID(); # getOldID may want us to redirect somewhere else if ( $this->mRedirectUrl ) { $wgOut->redirect( $this->mRedirectUrl ); wfProfileOut( __METHOD__ ); return; } $diff = $wgRequest->getVal( 'diff' ); $rcid = $wgRequest->getVal( 'rcid' ); $rdfrom = $wgRequest->getVal( 'rdfrom' ); $wgOut->setArticleFlag( true ); if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) { $policy = $wgNamespaceRobotPolicies[$ns]; } else { # The default policy. Dev note: make sure you change the documentation # in DefaultSettings.php before changing it. $policy = 'index,follow'; } $wgOut->setRobotpolicy( $policy ); # If we got diff and oldid in the query, we want to see a # diff page instead of the article. if ( !is_null( $diff ) ) { $wgOut->setPageTitle( $this->mTitle->getPrefixedText() ); $de = new DifferenceEngine( $this->mTitle, $oldid, $diff, $rcid ); // DifferenceEngine directly fetched the revision: $this->mRevIdFetched = $de->mNewid; $de->showDiffPage(); // Needed to get the page's current revision $this->loadPageData(); if( $diff == 0 || $diff == $this->mLatest ) { # Run view updates for current revision only $this->viewUpdates(); } wfProfileOut( __METHOD__ ); return; } if ( empty( $oldid ) && $this->checkTouched() ) { $wgOut->setETag($parserCache->getETag($this, $wgUser)); if( $wgOut->checkLastModified( $this->mTouched ) ){ wfProfileOut( __METHOD__ ); return; } else if ( $this->tryFileCache() ) { # tell wgOut that output is taken care of $wgOut->disable(); $this->viewUpdates(); wfProfileOut( __METHOD__ ); return; } } # Should the parser cache be used? $pcache = $wgEnableParserCache && intval( $wgUser->getOption( 'stubthreshold' ) ) == 0 && $this->exists() && empty( $oldid ); wfDebug( 'Article::view using parser cache: ' . ($pcache ? 'yes' : 'no' ) . "\n" ); if ( $wgUser->getOption( 'stubthreshold' ) ) { wfIncrStats( 'pcache_miss_stub' ); } $wasRedirected = false; if ( isset( $this->mRedirectedFrom ) ) { // This is an internally redirected page view. // We'll need a backlink to the source page for navigation. if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) { $sk = $wgUser->getSkin(); $redir = $sk->makeKnownLinkObj( $this->mRedirectedFrom, '', 'redirect=no' ); $s = wfMsg( 'redirectedfrom', $redir ); $wgOut->setSubtitle( $s ); // Set the fragment if one was specified in the redirect if ( strval( $this->mTitle->getFragment() ) != '' ) { $fragment = Xml::escapeJsString( $this->mTitle->getFragmentForURL() ); $wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" ); } $wasRedirected = true; } } elseif ( !empty( $rdfrom ) ) { // This is an externally redirected view, from some other wiki. // If it was reported from a trusted site, supply a backlink. global $wgRedirectSources; if( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) { $sk = $wgUser->getSkin(); $redir = $sk->makeExternalLink( $rdfrom, $rdfrom ); $s = wfMsg( 'redirectedfrom', $redir ); $wgOut->setSubtitle( $s ); $wasRedirected = true; } } $outputDone = false; if ( $pcache ) { if ( $wgOut->tryParserCache( $this, $wgUser ) ) { wfRunHooks( 'ArticleViewHeader', array( &$this ) ); $outputDone = true; } } if ( !$outputDone ) { $text = $this->getContent(); if ( $text === false ) { # Failed to load, replace text with error message $t = $this->mTitle->getPrefixedText(); if( $oldid ) { $t .= ',oldid='.$oldid; $text = wfMsg( 'missingarticle', $t ); } else { $text = wfMsg( 'noarticletext', $t ); } } # Another whitelist check in case oldid is altering the title if ( !$this->mTitle->userCanRead() ) { $wgOut->loginToUse(); $wgOut->output(); exit; } # We're looking at an old revision if ( !empty( $oldid ) ) { $wgOut->setRobotpolicy( 'noindex,nofollow' ); if( is_null( $this->mRevision ) ) { // FIXME: This would be a nice place to load the 'no such page' text. } else { $this->setOldSubtitle( isset($this->mOldId) ? $this->mOldId : $oldid ); if( $this->mRevision->isDeleted( Revision::DELETED_TEXT ) ) { if( !$this->mRevision->userCan( Revision::DELETED_TEXT ) ) { $wgOut->addWikiText( wfMsg( 'rev-deleted-text-permission' ) ); $wgOut->setPageTitle( $this->mTitle->getPrefixedText() ); return; } else { $wgOut->addWikiText( wfMsg( 'rev-deleted-text-view' ) ); // and we are allowed to see... } } } } } if( !$outputDone ) { /** * @fixme: this hook doesn't work most of the time, as it doesn't * trigger when the parser cache is used. */ wfRunHooks( 'ArticleViewHeader', array( &$this ) ) ; $wgOut->setRevisionId( $this->getRevIdFetched() ); # wrap user css and user js in pre and don't parse # XXX: use $this->mTitle->usCssJsSubpage() when php is fixed/ a workaround is found if ( $ns == NS_USER && preg_match('/\\/[\\w]+\\.(css|js)$/', $this->mTitle->getDBkey()) ) { $wgOut->addWikiText( wfMsg('clearyourcache')); $wgOut->addHTML( '<pre>'.htmlspecialchars($this->mContent)."\n</pre>" ); } else if ( $rt = Title::newFromRedirect( $text ) ) { # Display redirect $imageDir = $wgContLang->isRTL() ? 'rtl' : 'ltr'; $imageUrl = $wgStylePath.'/common/images/redirect' . $imageDir . '.png'; # Don't overwrite the subtitle if this was an old revision if( !$wasRedirected && $this->isCurrent() ) { $wgOut->setSubtitle( wfMsgHtml( 'redirectpagesub' ) ); } $link = $sk->makeLinkObj( $rt, $rt->getFullText() ); $wgOut->addHTML( '<img src="'.$imageUrl.'" alt="#REDIRECT " />' . '<span class="redirectText">'.$link.'</span>' ); $parseout = $wgParser->parse($text, $this->mTitle, ParserOptions::newFromUser($wgUser)); $wgOut->addParserOutputNoText( $parseout ); } else if ( $pcache ) { # Display content and save to parser cache $wgOut->addPrimaryWikiText( $text, $this ); } else { # Display content, don't attempt to save to parser cache # Don't show section-edit links on old revisions... this way lies madness. if( !$this->isCurrent() ) { $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false ); } # Display content and don't save to parser cache $wgOut->addPrimaryWikiText( $text, $this, false ); if( !$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() ); } # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page if( $ns == NS_USER_TALK && User::isIP( $this->mTitle->getText() ) ) { $wgOut->addWikiText( wfMsg('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 ( $wgUseRCPatrol && !is_null( $rcid ) && $rcid != 0 && $wgUser->isAllowed( 'patrol' ) ) { $wgOut->addHTML( "<div class='patrollink'>" . wfMsg ( 'markaspatrolledlink', $sk->makeKnownLinkObj( $this->mTitle, wfMsg('markaspatrolledtext'), "action=markpatrolled&rcid=$rcid" ) ) . '</div>' ); } # Trackbacks if ($wgUseTrackbacks) $this->addTrackbacks(); $this->viewUpdates(); wfProfileOut( __METHOD__ ); } function addTrackbacks() { global $wgOut, $wgUser; $dbr =& wfGetDB(DB_SLAVE); $tbs = $dbr->select( /* FROM */ 'trackbacks', /* SELECT */ array('tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name'), /* WHERE */ 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=" . $wgUser->editToken()); $rmvtxt = wfMsg('trackbackremove', $delurl); } $tbtext .= wfMsg(strlen($o->tb_ex) ? 'trackbackexcerpt' : 'trackback', $o->tb_title, $o->tb_url, $o->tb_ex, $o->tb_name, $rmvtxt); } $wgOut->addWikitext(wfMsg('trackbackbox', $tbtext)); } function deletetrackback() { global $wgUser, $wgRequest, $wgOut, $wgTitle; if (!$wgUser->matchEditToken($wgRequest->getVal('token'))) { $wgOut->addWikitext(wfMsg('sessionfailure')); return; } if ((!$wgUser->isAllowed('delete'))) { $wgOut->permissionRequired( 'delete' ); return; } if (wfReadOnly()) { $wgOut->readOnlyPage(); return; } $db =& wfGetDB(DB_MASTER); $db->delete('trackbacks', array('tb_id' => $wgRequest->getInt('tbid'))); $wgTitle->invalidateCache(); $wgOut->addWikiText(wfMsg('trackbackdeleteok')); } function render() { global $wgOut; $wgOut->setArticleBodyOnly(true); $this->view(); } /** * Handle action=purge */ function purge() { global $wgUser, $wgRequest, $wgOut; if ( $wgUser->isLoggedIn() || $wgRequest->wasPosted() ) { if( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) { $this->doPurge(); } } else { $msg = $wgOut->parse( wfMsg( 'confirm_purge' ) ); $action = $this->mTitle->escapeLocalURL( 'action=purge' ); $button = htmlspecialchars( wfMsg( 'confirm_purge_button' ) ); $msg = str_replace( '$1', "<form method=\"post\" action=\"$action\">\n" . "<input type=\"submit\" name=\"submit\" value=\"$button\" />\n" . "</form>\n", $msg ); $wgOut->setPageTitle( $this->mTitle->getPrefixedText() ); $wgOut->setRobotpolicy( 'noindex,nofollow' ); $wgOut->addHTML( $msg ); } } /** * Perform the actions of a page purging */ 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(); } $this->view(); } /** * 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 Database $dbw * @param string $restrictions * @return int The newly created page_id key * @private */ function insertOn( &$dbw, $restrictions = '' ) { 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' => $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__ ); $newid = $dbw->insertId(); $this->mTitle->resetArticleId( $newid ); wfProfileOut( __METHOD__ ); return $newid; } /** * Update the page record to point to a newly saved revision. * * @param Database $dbw * @param Revision $revision For ID number, and text used to set length and redirect status fields * @param int $lastRevision 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 bool $lastRevIsRedirect If given, will optimize adding and * removing rows in redirect table. * @return bool true on success, false on failure * @private */ function updateRevisionOn( &$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) { // FIXME: Should the result from updateRedirectOn() be returned instead? $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect ); } wfProfileOut( __METHOD__ ); return $result; } /** * Add row to the redirect table if this is a redirect, remove otherwise. * * @param Database $dbw * @param $redirectTitle a title object pointing to the redirect target, * or NULL if this is not a redirect * @param bool $lastRevIsRedirect If given, will optimize adding and * removing rows in redirect table. * @return bool true on success, false on failure * @private */ function updateRedirectOn( &$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__); } 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 Database $dbw * @param Revision $revision */ function updateIfNewerOn( &$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 $ret; } /** * @return string Complete article text, or null if error */ function replaceSection($section, $text, $summary = '', $edittime = NULL) { wfProfileIn( __METHOD__ ); if( $section == '' ) { // Whole-page edit; let the text through unmolested. } else { if( is_null( $edittime ) ) { $rev = Revision::newFromTitle( $this->mTitle ); } else { $dbw =& wfGetDB( DB_MASTER ); $rev = Revision::loadFromTimestamp( $dbw, $this->mTitle, $edittime ); } if( is_null( $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 = $summary ? "== {$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 ) { $flags = EDIT_NEW | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY | ( $isminor ? EDIT_MINOR : 0 ) | ( $suppressRC ? EDIT_SUPPRESS_RC : 0 ); # If this is a comment, add the summary as headline if ( $comment && $summary != "" ) { $text = "== {$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 = '' ) { $flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY | ( $minor ? EDIT_MINOR : 0 ) | ( $forceBot ? EDIT_FORCE_BOT : 0 ); $good = $this->doEdit( $text, $summary, $flags ); if ( $good ) { $dbw =& wfGetDB( DB_MASTER ); if ($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 ), $sectionanchor ); } return $good; } /** * 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 string $text New text * @param string $summary Edit summary * @param integer $flags 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 return false. If * EDIT_NEW is specified and the article does exist, a duplicate key error will cause an exception * to be thrown from the Database. These two conditions are also possible with auto-detection due * to MediaWiki's performance-optimised locking strategy. * * @return bool success */ function doEdit( $text, $summary, $flags = 0 ) { global $wgUser, $wgDBtransactions; wfProfileIn( __METHOD__ ); $good = true; if ( !($flags & EDIT_NEW) && !($flags & EDIT_UPDATE) ) { $aid = $this->mTitle->getArticleID( GAID_FOR_UPDATE ); if ( $aid ) { $flags |= EDIT_UPDATE; } else { $flags |= EDIT_NEW; } } if( !wfRunHooks( 'ArticleSave', array( &$this, &$wgUser, &$text, &$summary, $flags & EDIT_MINOR, null, null, &$flags ) ) ) { wfDebug( __METHOD__ . ": ArticleSave hook aborted save!\n" ); wfProfileOut( __METHOD__ ); return false; } # Silently ignore EDIT_MINOR if not allowed $isminor = ( $flags & EDIT_MINOR ) && $wgUser->isAllowed('minoredit'); $bot = $wgUser->isAllowed( 'bot' ) || ( $flags & EDIT_FORCE_BOT ); $oldtext = $this->getContent(); $oldsize = strlen( $oldtext ); # Provide autosummaries if one is not provided. if ($flags & EDIT_AUTOSUMMARY && $summary == '') $summary = $this->getAutosummary( $oldtext, $text, $flags ); $text = $this->preSaveTransform( $text ); $newsize = strlen( $text ); $dbw =& wfGetDB( DB_MASTER ); $now = wfTimestampNow(); if ( $flags & EDIT_UPDATE ) { # Update article, but only if changed. # Make sure the revision is either completely inserted or not inserted at all if( !$wgDBtransactions ) { $userAbort = ignore_user_abort( true ); } $lastRevision = 0; $revisionId = 0; if ( 0 != strcmp( $text, $oldtext ) ) { $this->mGoodAdjustment = (int)$this->isCountable( $text ) - (int)$this->isCountable( $oldtext ); $this->mTotalAdjustment = 0; $lastRevision = $dbw->selectField( 'page', 'page_latest', array( 'page_id' => $this->getId() ) ); if ( !$lastRevision ) { # Article gone missing wfDebug( __METHOD__.": EDIT_UPDATE specified but article doesn't exist\n" ); wfProfileOut( __METHOD__ ); return false; } $revision = new Revision( array( 'page' => $this->getId(), 'comment' => $summary, 'minor_edit' => $isminor, 'text' => $text ) ); $dbw->begin(); $revisionId = $revision->insertOn( $dbw ); # Update page $ok = $this->updateRevisionOn( $dbw, $revision, $lastRevision ); if( !$ok ) { /* Belated edit conflict! Run away!! */ $good = false; $dbw->rollback(); } else { # Update recentchanges if( !( $flags & EDIT_SUPPRESS_RC ) ) { $rcid = RecentChange::notifyEdit( $now, $this->mTitle, $isminor, $wgUser, $summary, $lastRevision, $this->getTimestamp(), $bot, '', $oldsize, $newsize, $revisionId ); # Mark as patrolled if the user can do so if( $wgUser->isAllowed( 'autopatrol' ) ) { RecentChange::markPatrolled( $rcid ); } } $wgUser->incEditCount(); $dbw->commit(); } } else { // 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 ); } if ( $good ) { # 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. $changed = ( strcmp( $oldtext, $text ) != 0 ); $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed ); } } else { # Create new article # 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 fail with a database query exception if the article already exists $newid = $this->insertOn( $dbw ); # Save the revision text... $revision = new Revision( array( 'page' => $newid, 'comment' => $summary, 'minor_edit' => $isminor, 'text' => $text ) ); $revisionId = $revision->insertOn( $dbw ); $this->mTitle->resetArticleID( $newid ); # Update the page record with revision data $this->updateRevisionOn( $dbw, $revision, 0 ); if( !( $flags & EDIT_SUPPRESS_RC ) ) { $rcid = RecentChange::notifyNew( $now, $this->mTitle, $isminor, $wgUser, $summary, $bot, '', strlen( $text ), $revisionId ); # Mark as patrolled if the user can if( $wgUser->isAllowed( 'autopatrol' ) ) { RecentChange::markPatrolled( $rcid ); } } $wgUser->incEditCount(); $dbw->commit(); # Update links, etc. $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true ); # Clear caches Article::onArticleCreate( $this->mTitle ); wfRunHooks( 'ArticleInsertComplete', array( &$this, &$wgUser, $text, $summary, $flags & EDIT_MINOR, null, null, &$flags ) ); } if ( $good && !( $flags & EDIT_DEFER_UPDATES ) ) { wfDoUpdates(); } wfRunHooks( 'ArticleSaveComplete', array( &$this, &$wgUser, $text, $summary, $flags & EDIT_MINOR, null, null, &$flags ) ); wfProfileOut( __METHOD__ ); return $good; } /** * @deprecated wrapper for doRedirect */ function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) { $this->doRedirect( $this->isRedirect( $text ), $sectionanchor ); } /** * Output a redirect back to the article. * This is typically used after an edit. * * @param boolean $noRedir Add redirect=no * @param string $sectionAnchor section to redirect to, including "#" */ function doRedirect( $noRedir = false, $sectionAnchor = '' ) { global $wgOut; if ( $noRedir ) { $query = 'redirect=no'; } else { $query = ''; } $wgOut->redirect( $this->mTitle->getFullURL( $query ) . $sectionAnchor ); } /** * Mark this particular edit as patrolled */ function markpatrolled() { global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUser; $wgOut->setRobotPolicy( 'noindex,nofollow' ); # Check RC patrol config. option if( !$wgUseRCPatrol ) { $wgOut->errorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' ); return; } # Check permissions if( !$wgUser->isAllowed( 'patrol' ) ) { $wgOut->permissionRequired( 'patrol' ); return; } # If we haven't been given an rc_id value, we can't do anything $rcid = $wgRequest->getVal( 'rcid' ); if( !$rcid ) { $wgOut->errorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' ); return; } # Handle the 'MarkPatrolled' hook if( !wfRunHooks( 'MarkPatrolled', array( $rcid, &$wgUser, false ) ) ) { return; } $return = SpecialPage::getTitleFor( 'Recentchanges' ); # If it's left up to us, check that the user is allowed to patrol this edit # If the user has the "autopatrol" right, then we'll assume there are no # other conditions stopping them doing so if( !$wgUser->isAllowed( 'autopatrol' ) ) { $rc = RecentChange::newFromId( $rcid ); # Graceful error handling, as we've done before here... # (If the recent change doesn't exist, then it doesn't matter whether # the user is allowed to patrol it or not; nothing is going to happen if( is_object( $rc ) && $wgUser->getName() == $rc->getAttribute( 'rc_user_text' ) ) { # The user made this edit, and can't patrol it # Tell them so, and then back off $wgOut->setPageTitle( wfMsg( 'markedaspatrollederror' ) ); $wgOut->addWikiText( wfMsgNoTrans( 'markedaspatrollederror-noautopatrol' ) ); $wgOut->returnToMain( false, $return ); return; } } # Mark the edit as patrolled RecentChange::markPatrolled( $rcid ); wfRunHooks( 'MarkPatrolledComplete', array( &$rcid, &$wgUser, false ) ); # Inform the user $wgOut->setPageTitle( wfMsg( 'markedaspatrolled' ) ); $wgOut->addWikiText( wfMsgNoTrans( 'markedaspatrolledtext' ) ); $wgOut->returnToMain( false, $return ); } /** * User-interface handler for the "watch" action */ 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' ); $link = wfEscapeWikiText( $this->mTitle->getPrefixedText() ); $text = wfMsg( 'addedwatchtext', $link ); $wgOut->addWikiText( $text ); } $wgOut->returnToMain( true, $this->mTitle->getPrefixedText() ); } /** * Add this page to $wgUser's watchlist * @return bool true on successful watch operation */ 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. */ 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' ); $link = wfEscapeWikiText( $this->mTitle->getPrefixedText() ); $text = wfMsg( 'removedwatchtext', $link ); $wgOut->addWikiText( $text ); } $wgOut->returnToMain( true, $this->mTitle->getPrefixedText() ); } /** * Stop watching a page * @return bool true on successful unwatch */ 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 */ function protect() { $form = new ProtectionForm( $this ); $form->show(); } /** * action=unprotect handler (alias) */ function unprotect() { $this->protect(); } /** * Update the article's restriction field, and leave a log entry. * * @param array $limit set of restriction keys * @param string $reason * @return bool true on success */ function updateRestrictions( $limit = array(), $reason = '' ) { global $wgUser, $wgRestrictionTypes, $wgContLang; $id = $this->mTitle->getArticleID(); if( !$wgUser->isAllowed( 'protect' ) || wfReadOnly() || $id == 0 ) { return false; } # FIXME: Same limitations as described in ProtectionForm.php (line 37); # we expect a single selection, but the schema allows otherwise. $current = array(); foreach( $wgRestrictionTypes as $action ) $current[$action] = implode( '', $this->mTitle->getRestrictions( $action ) ); $current = Article::flattenRestrictions( $current ); $updated = Article::flattenRestrictions( $limit ); $changed = ( $current != $updated ); $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 $comment = $wgContLang->ucfirst( wfMsgForContent( $protect ? 'protectedarticle' : 'unprotectedarticle', $this->mTitle->getPrefixedText() ) ); if( $reason ) $comment .= ": $reason"; if( $protect ) $comment .= " [$updated]"; $nullRevision = Revision::newNullRevision( $dbw, $id, $comment, true ); $nullRevId = $nullRevision->insertOn( $dbw ); # Update page record $dbw->update( 'page', array( /* SET */ 'page_touched' => $dbw->timestamp(), 'page_restrictions' => $updated, 'page_latest' => $nullRevId ), array( /* WHERE */ 'page_id' => $id ), 'Article::protect' ); wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) ); # Update the protection log $log = new LogPage( 'protect' ); if( $protect ) { $log->addEntry( 'protect', $this->mTitle, trim( $reason . " [$updated]" ) ); } 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 array $limit * @return string * @private */ 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 ); } /* * UI entry point for page deletion */ function delete() { global $wgUser, $wgOut, $wgRequest; $confirm = $wgRequest->wasPosted() && $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ); $reason = $wgRequest->getText( 'wpReason' ); # This code desperately needs to be totally rewritten # Check permissions if( $wgUser->isAllowed( 'delete' ) ) { if( $wgUser->isBlocked( !$confirm ) ) { $wgOut->blockedPage(); return; } } else { $wgOut->permissionRequired( 'delete' ); return; } if( wfReadOnly() ) { $wgOut->readOnlyPage(); return; } $wgOut->setPagetitle( wfMsg( 'confirmdelete' ) ); # 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( wfMsg( 'cannotdelete' ) ); return; } if( $confirm ) { $this->doDelete( $reason ); if( $wgRequest->getCheck( 'wpWatch' ) ) { $this->doWatch(); } elseif( $this->mTitle->userIsWatching() ) { $this->doUnwatch(); } return; } # determine whether this page has earlier revisions # and insert a warning if it does $maxRevisions = 20; $authors = $this->getLastNAuthors( $maxRevisions, $latest ); if( count( $authors ) > 1 && !$confirm ) { $skin=$wgUser->getSkin(); $wgOut->addHTML( '<strong>' . wfMsg( 'historywarning' ) . ' ' . $skin->historyLink() . '</strong>' ); } # If a single user is responsible for all revisions, find out who they are if ( count( $authors ) == $maxRevisions ) { // Query bailed out, too many revisions to find out if they're all the same $authorOfAll = false; } else { $authorOfAll = reset( $authors ); foreach ( $authors as $author ) { if ( $authorOfAll != $author ) { $authorOfAll = false; break; } } } # Fetch article text $rev = Revision::newFromTitle( $this->mTitle ); if( !is_null( $rev ) ) { # if this is a mini-text, we can paste part of it into the deletion reason $text = $rev->getText(); #if this is empty, an earlier revision may contain "useful" text $blanked = false; if( $text == '' ) { $prev = $rev->getPrevious(); if( $prev ) { $text = $prev->getText(); $blanked = true; } } $length = strlen( $text ); # this should not happen, since it is not possible to store an empty, new # page. Let's insert a standard text in case it does, though if( $length == 0 && $reason === '' ) { $reason = wfMsgForContent( 'exblank' ); } if( $length < 500 && $reason === '' ) { # comment field=255, let's grep the first 150 to have some user # space left global $wgContLang; $text = $wgContLang->truncate( $text, 150, '...' ); # let's strip out newlines $text = preg_replace( "/[\n\r]/", '', $text ); if( !$blanked ) { if( $authorOfAll === false ) { $reason = wfMsgForContent( 'excontent', $text ); } else { $reason = wfMsgForContent( 'excontentauthor', $text, $authorOfAll ); } } else { $reason = wfMsgForContent( 'exbeforeblank', $text ); } } } return $this->confirmDelete( '', $reason ); } /** * Get the last N authors * @param int $num Number of revisions to get * @param string $revLatest The latest rev_id, selected from the master (optional) * @return array Array of authors, duplicates not removed */ 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 */ function confirmDelete( $par, $reason ) { global $wgOut, $wgUser; wfDebug( "Article::confirmDelete\n" ); $sub = htmlspecialchars( $this->mTitle->getPrefixedText() ); $wgOut->setSubtitle( wfMsg( 'deletesub', $sub ) ); $wgOut->setRobotpolicy( 'noindex,nofollow' ); $wgOut->addWikiText( wfMsg( 'confirmdeletetext' ) ); $formaction = $this->mTitle->escapeLocalURL( 'action=delete' . $par ); $confirm = htmlspecialchars( wfMsg( 'deletepage' ) ); $delcom = htmlspecialchars( wfMsg( 'deletecomment' ) ); $token = htmlspecialchars( $wgUser->editToken() ); $watch = Xml::checkLabel( wfMsg( 'watchthis' ), 'wpWatch', 'wpWatch', $wgUser->getBoolOption( 'watchdeletion' ) || $this->mTitle->userIsWatching(), array( 'tabindex' => '2' ) ); $wgOut->addHTML( "<form id='deleteconfirm' method='post' action=\"{$formaction}\"> <table border='0'> <tr> <td align='right'> <label for='wpReason'>{$delcom}:</label> </td> <td align='left'> <input type='text' size='60' name='wpReason' id='wpReason' value=\"" . htmlspecialchars( $reason ) . "\" tabindex=\"1\" /> </td> </tr> <tr> <td> </td> <td>$watch</td> </tr> <tr> <td> </td> <td> <input type='submit' name='wpConfirmB' id='wpConfirmB' value=\"{$confirm}\" tabindex=\"3\" /> </td> </tr> </table> <input type='hidden' name='wpEditToken' value=\"{$token}\" /></form>\n" ); $wgOut->returnToMain( false ); } /** * Perform a deletion and output success or failure messages */ function doDelete( $reason ) { global $wgOut, $wgUser; wfDebug( __METHOD__."\n" ); if (wfRunHooks('ArticleDelete', array(&$this, &$wgUser, &$reason))) { if ( $this->doDeleteArticle( $reason ) ) { $deleted = wfEscapeWikiText( $this->mTitle->getPrefixedText() ); $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) ); $wgOut->setRobotpolicy( 'noindex,nofollow' ); $loglink = '[[Special:Log/delete|' . wfMsg( 'deletionlog' ) . ']]'; $text = wfMsg( 'deletedtext', $deleted, $loglink ); $wgOut->addWikiText( $text ); $wgOut->returnToMain( false ); wfRunHooks('ArticleDeleteComplete', array(&$this, &$wgUser, $reason)); } else { $wgOut->showFatalError( wfMsg( 'cannotdelete' ) ); } } } /** * Back-end article deletion * Deletes the article with database consistency, writes logs, purges caches * Returns success */ function doDeleteArticle( $reason ) { global $wgUseSquid, $wgDeferredUpdateList; global $wgUseTrackbacks; wfDebug( __METHOD__."\n" ); $dbw =& wfGetDB( DB_MASTER ); $ns = $this->mTitle->getNamespace(); $t = $this->mTitle->getDBkey(); $id = $this->mTitle->getArticleID(); if ( $t == '' || $id == 0 ) { return false; } $u = new SiteStatsUpdate( 0, 1, -(int)$this->isCountable( $this->getContent() ), -1 ); array_push( $wgDeferredUpdateList, $u ); // 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"... ), array( 'page_id' => $id, 'page_id = rev_page' ), __METHOD__ ); # Now that it's safely backed up, delete it $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__); # If using cascading deletes, we can skip some explicit deletes if ( !$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_namespace' => $ns, 'rc_title' => $t ), __METHOD__ ); } # Clear caches Article::onArticleDelete( $this->mTitle ); # Log the deletion $log = new LogPage( 'delete' ); $log->addEntry( 'delete', $this->mTitle, $reason ); # Clear the cached article id so the interface doesn't act like we exist $this->mTitle->resetArticleID( 0 ); $this->mTitle->mArticleID = 0; return true; } /** * Revert a modification */ function rollback() { global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol; if( $wgUser->isAllowed( 'rollback' ) ) { if( $wgUser->isBlocked() ) { $wgOut->blockedPage(); return; } } else { $wgOut->permissionRequired( 'rollback' ); return; } if ( wfReadOnly() ) { $wgOut->readOnlyPage( $this->getContent() ); return; } if( !$wgUser->matchEditToken( $wgRequest->getVal( 'token' ), array( $this->mTitle->getPrefixedText(), $wgRequest->getVal( 'from' ) ) ) ) { $wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) ); $wgOut->addWikiText( wfMsg( 'sessionfailure' ) ); return; } $dbw =& wfGetDB( DB_MASTER ); # Enhanced rollback, marks edits rc_bot=1 $bot = $wgRequest->getBool( 'bot' ); # Replace all this user's current edits with the next one down # Get the last editor $current = Revision::newFromTitle( $this->mTitle ); if( is_null( $current ) ) { # Something wrong... no page? $wgOut->addHTML( wfMsg( 'notanarticle' ) ); return; } $from = str_replace( '_', ' ', $wgRequest->getVal( 'from' ) ); if( $from != $current->getUserText() ) { $wgOut->setPageTitle( wfMsg('rollbackfailed') ); $wgOut->addWikiText( wfMsg( 'alreadyrolled', htmlspecialchars( $this->mTitle->getPrefixedText()), htmlspecialchars( $from ), htmlspecialchars( $current->getUserText() ) ) ); if( $current->getComment() != '') { $wgOut->addHTML( wfMsg( 'editcomment', htmlspecialchars( $current->getComment() ) ) ); } return; } # 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' ), 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 ) { # Something wrong $wgOut->setPageTitle(wfMsg('rollbackfailed')); $wgOut->addHTML( wfMsg( 'cantrollback' ) ); return; } $set = array(); if ( $bot ) { # 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__ ); } # Get the edit summary $target = Revision::newFromId( $s->rev_id ); $newComment = wfMsgForContent( 'revertpage', $target->getUserText(), $from ); $newComment = $wgRequest->getText( 'summary', $newComment ); # Save it! $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) ); $wgOut->setRobotpolicy( 'noindex,nofollow' ); $wgOut->addHTML( '<h2>' . htmlspecialchars( $newComment ) . "</h2>\n<hr />\n" ); $this->updateArticle( $target->getText(), $newComment, 1, $this->mTitle->userIsWatching(), $bot ); $wgOut->returnToMain( false ); } /** * Do standard deferred updates after page view * @private */ function viewUpdates() { global $wgDeferredUpdateList; if ( 0 != $this->getID() ) { global $wgDisableCounters; if( !$wgDisableCounters ) { Article::incViewCount( $this->getID() ); $u = new SiteStatsUpdate( 1, 0, 0 ); array_push( $wgDeferredUpdateList, $u ); } } # Update newtalk / watchlist notification status global $wgUser; $wgUser->clearNotification( $this->mTitle ); } /** * Do standard deferred updates after page edit. * Update links tables, site stats, search index and message cache. * Every 1000th 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 */ function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) { global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgParser; wfProfileIn( __METHOD__ ); # Parse the text $options = new ParserOptions; $options->setTidy(true); $poutput = $wgParser->parse( $text, $this->mTitle, $options, true, true, $newid ); # Save it to the parser cache $parserCache =& ParserCache::singleton(); $parserCache->save( $poutput, $this, $wgUser ); # Update the links tables $u = new LinksUpdate( $this->mTitle, $poutput ); $u->doUpdate(); if ( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) { wfSeedRandom(); if ( 0 == mt_rand( 0, 999 ) ) { # Periodically flush old entries from the recentchanges table. 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 ); if( is_null( $other ) && User::isIP( $shortTitle ) ) { // An anonymous user $other = new User(); $other->setName( $shortTitle ); } if( $other ) { $other->setNewtalk( true ); } } } if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) { $wgMessageCache->replace( $shortTitle, $text ); } wfProfileOut( __METHOD__ ); } /** * Perform article updates on a special page creation. * * @param Revision $rev * * @fixme This is a shitty interface function. Kill it and replace the * other shitty functions like editUpdates and such so it's not needed * anymore. */ 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 \<date\>; view current revision * \<- Previous version | Next Version -\> * * @private * @param string $oldid Revision ID of this article revision */ function setOldSubtitle( $oldid=0 ) { global $wgLang, $wgOut, $wgUser; if ( !wfRunHooks( 'DisplayOldSubtitle', array(&$this, &$oldid) ) ) { return; } $revision = Revision::newFromId( $oldid ); $current = ( $oldid == $this->mLatest ); $td = $wgLang->timeanddate( $this->mTimestamp, true ); $sk = $wgUser->getSkin(); $lnk = $current ? wfMsg( 'currentrevisionlink' ) : $lnk = $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'currentrevisionlink' ) ); $curdiff = $current ? wfMsg( 'diff' ) : $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'diff' ), 'diff=cur&oldid='.$oldid ); $prev = $this->mTitle->getPreviousRevisionID( $oldid ) ; $prevlink = $prev ? $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'previousrevision' ), 'direction=prev&oldid='.$oldid ) : wfMsg( 'previousrevision' ); $prevdiff = $prev ? $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'diff' ), 'diff=prev&oldid='.$oldid ) : wfMsg( 'diff' ); $nextlink = $current ? wfMsg( 'nextrevision' ) : $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'nextrevision' ), 'direction=next&oldid='.$oldid ); $nextdiff = $current ? wfMsg( 'diff' ) : $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'diff' ), 'diff=next&oldid='.$oldid ); $userlinks = $sk->userLink( $revision->getUser(), $revision->getUserText() ) . $sk->userToolLinks( $revision->getUser(), $revision->getUserText() ); $r = "\n\t\t\t\t<div id=\"mw-revision-info\">" . wfMsg( 'revision-info', $td, $userlinks ) . "</div>\n" . "\n\t\t\t\t<div id=\"mw-revision-nav\">" . wfMsg( 'revision-nav', $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff ) . "</div>\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 string $text */ 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) */ function tryFileCache() { static $called = false; if( $called ) { wfDebug( "Article::tryFileCache(): called twice!?\n" ); return; } $called = true; if($this->isFileCacheable()) { $touched = $this->mTouched; $cache = new HTMLFileCache( $this->mTitle ); if($cache->isFileCacheGood( $touched )) { 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" ); } } /** * Check if the page can be cached * @return bool */ function isFileCacheable() { global $wgUser, $wgUseFileCache, $wgShowIPinHeader, $wgRequest; $action = $wgRequest->getVal( 'action' ); $oldid = $wgRequest->getVal( 'oldid' ); $diff = $wgRequest->getVal( 'diff' ); $redirect = $wgRequest->getVal( 'redirect' ); $printable = $wgRequest->getVal( 'printable' ); return $wgUseFileCache and (!$wgShowIPinHeader) and ($this->getID() != 0) and ($wgUser->isAnon()) and (!$wgUser->getNewtalk()) and ($this->mTitle->getNamespace() != NS_SPECIAL ) and (empty( $action ) || $action == 'view') and (!isset($oldid)) and (!isset($diff)) and (!isset($redirect)) and (!isset($printable)) and (!$this->mRedirectedFrom); } /** * Loads page_touched and returns a value indicating if it should be used * */ function checkTouched() { if( !$this->mDataLoaded ) { $this->loadPageData(); } return !$this->mIsRedirect; } /** * Get the page_touched field */ function getTouched() { # Ensure that page data has been loaded if( !$this->mDataLoaded ) { $this->loadPageData(); } return $this->mTouched; } /** * Get the page_latest field */ function getLatest() { if ( !$this->mDataLoaded ) { $this->loadPageData(); } return $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 string $text text submitted * @param string $comment comment submitted * @param bool $minor whereas it's a minor modification */ function quickEdit( $text, $comment = '', $minor = 0 ) { wfProfileIn( __METHOD__ ); $dbw =& wfGetDB( DB_MASTER ); $dbw->begin(); $revision = new Revision( array( 'page' => $this->getId(), 'text' => $text, 'comment' => $comment, 'minor_edit' => $minor ? 1 : 0, ) ); $revision->insertOn( $dbw ); $this->updateRevisionOn( $dbw, $revision ); $dbw->commit(); wfProfileOut( __METHOD__ ); } /** * Used to increment the view counter * * @static * @param integer $id article id */ 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 * @static * @param $title_obj a title object */ static function onArticleCreate($title) { # The talk page isn't in the regular link tables, so we need to update manually: if ( $title->isTalkPage() ) { $other = $title->getSubjectPage(); } else { $other = $title->getTalkPage(); } $other->invalidateCache(); $other->purgeSquid(); $title->touchLinks(); $title->purgeSquid(); } static function onArticleDelete( $title ) { global $wgUseFileCache, $wgMessageCache; $title->touchLinks(); $title->purgeSquid(); # File cache if ( $wgUseFileCache ) { $cm = new HTMLFileCache( $title ); @unlink( $cm->fileCacheName() ); } if( $title->getNamespace() == NS_MEDIAWIKI) { $wgMessageCache->replace( $title->getDBkey(), false ); } } /** * Purge caches on page update etc */ static function onArticleEdit( $title ) { global $wgDeferredUpdateList, $wgUseFileCache; // Invalidate caches of articles which include this page $update = new HTMLCacheUpdate( $title, 'templatelinks' ); $wgDeferredUpdateList[] = $update; # Purge squid for this page only $title->purgeSquid(); # Clear file cache if ( $wgUseFileCache ) { $cm = new HTMLFileCache( $title ); @unlink( $cm->fileCacheName() ); } } /**#@-*/ /** * 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->setSubtitle( wfMsg( 'infosubtitle' )); # first, see if the page exists at all. $exists = $page->getArticleId() != 0; if( !$exists ) { if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) { $wgOut->addHTML(wfMsgWeirdKey ( $this->mTitle->getText() ) ); } else { $wgOut->addHTML(wfMsg( $wgUser->isLoggedIn() ? 'noarticletext' : 'noarticletextanon' ) ); } } 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( "<ul><li>" . wfMsg("numwatchers", $wgLang->formatNum( $numwatchers ) ) . '</li>' ); $wgOut->addHTML( "<li>" . wfMsg('numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '</li>'); if( $talkInfo ) { $wgOut->addHTML( '<li>' . wfMsg("numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '</li>'); } $wgOut->addHTML( '<li>' . wfMsg("numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '</li>' ); if( $talkInfo ) { $wgOut->addHTML( '<li>' . wfMsg('numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '</li>' ); } $wgOut->addHTML( '</ul>' ); } } /** * 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 * @return array * @private */ 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 Array of Title objects */ 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 ), 'Article:getUsedTemplates' ); if ( false !== $res ) { if ( $dbr->numRows( $res ) ) { while ( $row = $dbr->fetchObject( $res ) ) { $result[] = Title::makeTitle( $row->tl_namespace, $row->tl_title ); } } } $dbr->freeResult( $res ); return $result; } /** * Return an auto-generated summary if the text provided is a redirect. * * @param string $text The wikitext to check * @return string '' or an appropriate summary */ public static function getRedirectAutosummary( $text ) { $rt = Title::newFromRedirect( $text ); if( is_object( $rt ) ) return wfMsgForContent( 'autoredircomment', $rt->getFullText() ); else return ''; } /** * Return an auto-generated summary if the new text is much shorter than * the old text. * * @param string $oldtext The previous text of the page * @param string $text The submitted text of the page * @return string An appropriate autosummary, or an empty string. */ public static function getBlankingAutosummary( $oldtext, $text ) { if ($oldtext!='' && $text=='') { return wfMsgForContent('autosumm-blank'); } elseif (strlen($oldtext) > 10 * strlen($text) && strlen($text) < 500) { #Removing more than 90% of the article global $wgContLang; $truncatedtext = $wgContLang->truncate($text, max(0, 200 - strlen(wfMsgForContent('autosumm-replace'))), '...'); return wfMsgForContent('autosumm-replace', $truncatedtext); } else { return ''; } } /** * Return an applicable autosummary if one exists for the given edit. * @param string $oldtext The previous text of the page. * @param string $newtext The submitted text of the page. * @param bitmask $flags A bitmask of flags submitted for the edit. * @return string An appropriate autosummary, or an empty string. */ public static function getAutosummary( $oldtext, $newtext, $flags ) { # This code is UGLY UGLY UGLY. # Somebody PLEASE come up with a more elegant way to do it. #Redirect autosummaries $summary = self::getRedirectAutosummary( $newtext ); if ($summary) return $summary; #Blanking autosummaries if (!($flags & EDIT_NEW)) $summary = self::getBlankingAutosummary( $oldtext, $newtext ); if ($summary) return $summary; #New page autosummaries if ($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') ) ), '...' ); $summary = wfMsgForContent( 'autosumm-new', $truncatedtext ); } if ($summary) return $summary; return $summary; }}?>