+++ /dev/null
-<?php
-/**
- * File for articles
- * @file
- */
-
-/**
- * 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.
- *
- * @internal documentation reviewed 15 Mar 2010
- */
-class Article {
- /**@{{
- * @private
- */
- var $mComment = ''; // !<
- var $mContent; // !<
- var $mContentLoaded = false; // !<
- var $mCounter = -1; // !< Not loaded
- var $mCurID = -1; // !< Not loaded
- var $mDataLoaded = false; // !<
- var $mForUpdate = false; // !<
- var $mGoodAdjustment = 0; // !<
- var $mIsRedirect = false; // !<
- var $mLatest = false; // !<
- var $mMinorEdit; // !<
- var $mOldId; // !<
- var $mPreparedEdit = false; // !< Title object if set
- var $mRedirectedFrom = null; // !< Title object if set
- var $mRedirectTarget = null; // !< Title object if set
- var $mRedirectUrl = false; // !<
- var $mRevIdFetched = 0; // !<
- var $mRevision; // !< Revision object if set
- var $mTimestamp = ''; // !<
- var $mTitle; // !< Title object
- var $mTotalAdjustment = 0; // !<
- var $mTouched = '19700101000000'; // !<
- var $mUser = -1; // !< Not loaded
- var $mUserText = ''; // !< username from Revision if set
- var $mParserOptions; // !< ParserOptions object
- var $mParserOutput; // !< ParserCache object if set
- /**@}}*/
-
- /**
- * 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
- */
- public function __construct( Title $title, $oldId = null ) {
- // FIXME: does the reference play any role here?
- $this->mTitle =& $title;
- $this->mOldId = $oldId;
- }
-
- /**
- * Constructor from an page id
- * @param $id The article ID to load
- */
- public static function newFromID( $id ) {
- $t = Title::newFromID( $id );
- # FIXME: doesn't inherit right
- return $t == null ? null : new self( $t );
- # return $t == null ? null : new static( $t ); // PHP 5.3
- }
-
- /**
- * Tell the page view functions that this view was redirected
- * from another page on the wiki.
- * @param $from Title object.
- */
- public function setRedirectedFrom( Title $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->isRedirect() ) {
- return null;
- }
-
- if ( $this->mRedirectTarget !== null ) {
- return $this->mRedirectTarget;
- }
-
- # Query the redirect table
- $dbr = wfGetDB( DB_SLAVE );
- $row = $dbr->selectRow( 'redirect',
- array( 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ),
- array( 'rd_from' => $this->getID() ),
- __METHOD__
- );
-
- // rd_fragment and rd_interwiki were added later, populate them if empty
- if ( $row && !is_null( $row->rd_fragment ) && !is_null( $row->rd_interwiki ) ) {
- return $this->mRedirectTarget = Title::makeTitle(
- $row->rd_namespace, $row->rd_title,
- $row->rd_fragment, $row->rd_interwiki );
- }
-
- # 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 or null if not a redirect
- */
- public function insertRedirect() {
- // recurse through to only get the final target
- $retval = Title::newFromRedirectRecurse( $this->getContent() );
- if ( !$retval ) {
- return null;
- }
- $this->insertRedirectEntry( $retval );
- return $retval;
- }
-
- /**
- * Insert or update the redirect table entry for this page to indicate
- * it redirects to $rt .
- * @param $rt Title redirect target
- */
- public function insertRedirectEntry( $rt ) {
- $dbw = wfGetDB( DB_MASTER );
- $dbw->replace( 'redirect', array( 'rd_from' ),
- array(
- 'rd_from' => $this->getID(),
- 'rd_namespace' => $rt->getNamespace(),
- 'rd_title' => $rt->getDBkey(),
- 'rd_fragment' => $rt->getFragment(),
- 'rd_interwiki' => $rt->getInterwiki(),
- ),
- __METHOD__
- );
- }
-
- /**
- * Get the Title object or URL this page redirects to
- *
- * @return mixed false, Title of in-wiki target, or string with URL
- */
- public function followRedirect() {
- return $this->getRedirectURL( $this->getRedirectTarget() );
- }
-
- /**
- * Get the Title object this text redirects to
- *
- * @param $text string article content containing redirect info
- * @return mixed false, Title of in-wiki target, or string with URL
- * @deprecated
- */
- public function followRedirectText( $text ) {
- // recurse through to only get the final target
- return $this->getRedirectURL( Title::newFromRedirectRecurse( $text ) );
- }
-
- /**
- * Get the Title object or URL to use for a redirect. We use Title
- * objects for same-wiki, non-special redirects and URLs for everything
- * else.
- * @param $rt Title Redirect target
- * @return mixed false, Title object of local target, or string with URL
- */
- public function getRedirectURL( $rt ) {
- 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
- * @return Title object of this page
- */
- public function getTitle() {
- return $this->mTitle;
- }
-
- /**
- * Clear the object
- * FIXME: shouldn't this be public?
- * @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::followRedirect()
- *
- * This function has side effects! Do not use this function if you
- * only want the real revision text if any.
- *
- * @return Return the text of this revision
- */
- public function getContent() {
- global $wgUser, $wgContLang, $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() ) );
- $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 \<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
- */
- public function getSection( $text, $section ) {
- global $wgParser;
- return $wgParser->getSection( $text, $section );
- }
-
- /**
- * Get the text that needs to be saved in order to undo all revisions
- * between $undo and $undoafter. Revisions must belong to the same page,
- * must exist and must not be deleted
- * @param $undo Revision
- * @param $undoafter Revision Must be an earlier revision than $undo
- * @return mixed string on success, false on failure
- */
- public function getUndoText( Revision $undo, Revision $undoafter = null ) {
- $currentRev = Revision::newFromTitle( $this->mTitle );
- if ( !$currentRev ) {
- return false; // no page
- }
- $undo_text = $undo->getText();
- $undoafter_text = $undoafter->getText();
- $cur_text = $currentRev->getText();
-
- if ( $cur_text == $undo_text ) {
- # No use doing a merge if it's just a straight revert.
- return $undoafter_text;
- }
-
- $undone_text = '';
-
- if ( !wfMerge( $undo_text, $undoafter_text, $cur_text, $undone_text ) ) {
- return false;
- }
-
- return $undone_text;
- }
-
- /**
- * @return int The oldid of the article that is to be shown, 0 for the
- * current revision
- */
- public 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
- */
- public 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 = $previd;
- }
- }
- }
-
- if ( !$oldid ) {
- $oldid = 0;
- }
-
- return $oldid;
- }
-
- /**
- * Load the revision (including text) into this object
- */
- function loadContent() {
- if ( $this->mContentLoaded ) {
- return;
- }
-
- wfProfileIn( __METHOD__ );
-
- $oldid = $this->getOldID();
- $this->mOldId = $oldid;
- $this->fetchContent( $oldid );
-
- wfProfileOut( __METHOD__ );
- }
-
- /**
- * Fetch a page record with the given conditions
- * @param $dbr Database object
- * @param $conditions Array
- * @return mixed Database result resource, or false on failure
- */
- protected 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, $conditions, __METHOD__ );
-
- wfRunHooks( 'ArticlePageDataAfter', array( &$this, &$row ) );
-
- return $row;
- }
-
- /**
- * Fetch a page record matching the Title object's namespace and title
- * using a sanitized title string
- *
- * @param $dbr Database object
- * @param $title Title object
- * @return mixed Database result resource, or false on failure
- */
- public function pageDataFromTitle( $dbr, $title ) {
- return $this->pageData( $dbr, array(
- 'page_namespace' => $title->getNamespace(),
- 'page_title' => $title->getDBkey() ) );
- }
-
- /**
- * Fetch a page record matching the requested ID
- *
- * @param $dbr Database
- * @param $id Integer
- */
- protected function pageDataFromId( $dbr, $id ) {
- return $this->pageData( $dbr, array( 'page_id' => $id ) );
- }
-
- /**
- * Set the general counter, title etc data loaded from
- * some source.
- *
- * @param $data Database row object or "fromdb"
- */
- public function loadPageData( $data = 'fromdb' ) {
- if ( $data === 'fromdb' ) {
- $dbr = wfGetDB( DB_MASTER );
- $data = $this->pageDataFromId( $dbr, $this->getId() );
- }
-
- $lc = LinkCache::singleton();
-
- if ( $data ) {
- $lc->addGoodLinkObj( $data->page_id, $this->mTitle, $data->page_len, $data->page_is_redirect, $data->page_latest );
-
- $this->mTitle->mArticleID = intval( $data->page_id );
-
- # Old-fashioned restrictions
- $this->mTitle->loadRestrictions( $data->page_restrictions );
-
- $this->mCounter = intval( $data->page_counter );
- $this->mTouched = wfTimestamp( TS_MW, $data->page_touched );
- $this->mIsRedirect = intval( $data->page_is_redirect );
- $this->mLatest = intval( $data->page_latest );
- } else {
- $lc->addBadLinkObj( $this->mTitle );
- $this->mTitle->mArticleID = 0;
- }
-
- $this->mDataLoaded = true;
- }
-
- /**
- * Get text of an article from database
- * Does *NOT* follow redirects.
- *
- * @param $oldid Int: 0 for whatever the latest revision is
- * @return mixed string containing article contents, or false if null
- */
- function fetchContent( $oldid = 0 ) {
- if ( $this->mContentLoaded ) {
- return $this->mContent;
- }
-
- $dbr = wfGetDB( DB_MASTER );
-
- # Pre-fill content with error message so that if something
- # fails we'll have something telling us what we intended.
- $t = $this->mTitle->getPrefixedText();
- $d = $oldid ? wfMsgExt( 'missingarticle-rev', array( 'escape' ), $oldid ) : '';
- $this->mContent = wfMsgNoTrans( 'missing-article', $t, $d ) ;
-
- if ( $oldid ) {
- $revision = Revision::newFromId( $oldid );
- if ( $revision === null ) {
- 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 ( $revision === null ) {
- wfDebug( __METHOD__ . " failed to retrieve current page, rev_id {$this->mLatest}\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->getText( Revision::FOR_THIS_USER ); // Loads if user is allowed
-
- $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
- * @return mixed value of $x, or value stored in Article::mForUpdate
- */
- public function forUpdate( $x = null ) {
- return wfSetVar( $this->mForUpdate, $x );
- }
-
- /**
- * Get options for all SELECT statements
- *
- * @param $options Array: an optional options array which'll be appended to
- * the default
- * @return Array: options
- */
- protected function getSelectOptions( $options = '' ) {
- if ( $this->mForUpdate ) {
- if ( is_array( $options ) ) {
- $options[] = 'FOR UPDATE';
- } else {
- $options = 'FOR UPDATE';
- }
- }
-
- return $options;
- }
-
- /**
- * @return int Page ID
- */
- public function getID() {
- return $this->mTitle->getArticleID();
- }
-
- /**
- * @return bool Whether or not the page exists in the database
- */
- public function exists() {
- return $this->getId() > 0;
- }
-
- /**
- * Check if this page is something we're going to be showing
- * some sort of sensible content for. If we return false, page
- * views (plain action=view) will return an HTTP 404 response,
- * so spiders and robots can know they're following a bad link.
- *
- * @return bool
- */
- public function hasViewableContent() {
- return $this->exists() || $this->mTitle->isAlwaysKnown();
- }
-
- /**
- * @return int The view count for the page
- */
- public 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 ),
- __METHOD__,
- $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
- */
- public function isCountable( $text ) {
- global $wgUseCommaCount;
-
- $token = $wgUseCommaCount ? ',' : '[[';
-
- return $this->mTitle->isContentPage() && !$this->isRedirect( $text ) && in_string( $token, $text );
- }
-
- /**
- * Tests if the article text represents a redirect
- *
- * @param $text mixed string containing article contents, or boolean
- * @return bool
- */
- public function isRedirect( $text = false ) {
- if ( $text === false ) {
- if ( $this->mDataLoaded ) {
- return $this->mIsRedirect;
- }
-
- // Apparently loadPageData was never called
- $this->loadContent();
- $titleObj = Title::newFromRedirectRecurse( $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
- */
- public function isCurrent() {
- # If no oldid, this is the current version.
- if ( $this->getOldID() == 0 ) {
- return true;
- }
-
- 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.
- */
- protected 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( wfGetDB( DB_MASTER ), $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 = $this->mLastRevision->getId();
- }
- }
-
- /**
- * @return string GMT timestamp of last article revision
- **/
-
- public function getTimestamp() {
- // Check if the field has been filled by ParserCache::get()
- if ( !$this->mTimestamp ) {
- $this->loadLastEdit();
- }
-
- return wfTimestamp( TS_MW, $this->mTimestamp );
- }
-
- /**
- * @return int user ID for the user that made the last article revision
- */
- public function getUser() {
- $this->loadLastEdit();
- return $this->mUser;
- }
-
- /**
- * @return string username of the user that made the last article revision
- */
- public function getUserText() {
- $this->loadLastEdit();
- return $this->mUserText;
- }
-
- /**
- * @return string Comment stored for the last article revision
- */
- public function getComment() {
- $this->loadLastEdit();
- return $this->mComment;
- }
-
- /**
- * Returns true if last revision was marked as "minor edit"
- *
- * @return boolean Minor edit indicator for the last article revision.
- */
- public function getMinorEdit() {
- $this->loadLastEdit();
- return $this->mMinorEdit;
- }
-
- /**
- * Use this to fetch the rev ID used on page views
- *
- * @return int revision ID of last article revision
- */
- public function getRevIdFetched() {
- $this->loadLastEdit();
- return $this->mRevIdFetched;
- }
-
- /**
- * FIXME: this does what?
- * @param $limit Integer: default 0.
- * @param $offset Integer: default 0.
- * @return UserArrayFromResult object with User objects of article contributors for requested range
- */
- public function getContributors( $limit = 0, $offset = 0 ) {
- # FIXME: this is expensive; cache this info somewhere.
-
- $dbr = wfGetDB( DB_SLAVE );
- $revTable = $dbr->tableName( 'revision' );
- $userTable = $dbr->tableName( 'user' );
-
- $pageId = $this->getId();
-
- $user = $this->getUser();
-
- if ( $user ) {
- $excludeCond = "AND rev_user != $user";
- } else {
- $userText = $dbr->addQuotes( $this->getUserText() );
- $excludeCond = "AND rev_user_text != $userText";
- }
-
- $deletedBit = $dbr->bitAnd( 'rev_deleted', Revision::DELETED_USER ); // username hidden?
-
- $sql = "SELECT {$userTable}.*, rev_user_text as user_name, MAX(rev_timestamp) as timestamp
- FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
- WHERE rev_page = $pageId
- $excludeCond
- AND $deletedBit = 0
- GROUP BY rev_user, rev_user_text
- ORDER BY timestamp DESC";
-
- if ( $limit > 0 ) {
- $sql = $dbr->limitResult( $sql, $limit, $offset );
- }
-
- $sql .= ' ' . $this->getSelectOptions();
- $res = $dbr->query( $sql, __METHOD__ );
-
- return new UserArrayFromResult( $res );
- }
-
- /**
- * This is the default action of the index.php entry point: just view the
- * page of the given title.
- */
- public function view() {
- global $wgUser, $wgOut, $wgRequest, $wgParser;
- global $wgUseFileCache, $wgUseETag;
-
- wfProfileIn( __METHOD__ );
-
- # Get variables from query string
- $oldid = $this->getOldID();
- $parserCache = ParserCache::singleton();
-
- $parserOptions = $this->getParserOptions();
- # Render printable version, use printable version cache
- if ( $wgOut->isPrintable() ) {
- $parserOptions->setIsPrintable( true );
- $parserOptions->setEditSection( false );
- } else if ( $wgUseETag && !$this->mTitle->quickUserCan( 'edit' ) ) {
- $parserOptions->setEditSection( false );
- }
-
- # Try client and file cache
- if ( $oldid === 0 && $this->checkTouched() ) {
- if ( $wgUseETag ) {
- $wgOut->setETag( $parserCache->getETag( $this, $parserOptions ) );
- }
-
- # Is it client cached?
- if ( $wgOut->checkLastModified( $this->getTouched() ) ) {
- wfDebug( __METHOD__ . ": done 304\n" );
- wfProfileOut( __METHOD__ );
-
- return;
- # Try file cache
- } else if ( $wgUseFileCache && $this->tryFileCache() ) {
- wfDebug( __METHOD__ . ": done file cache\n" );
- # tell wgOut that output is taken care of
- $wgOut->disable();
- $this->viewUpdates();
- wfProfileOut( __METHOD__ );
-
- return;
- }
- }
-
- # getOldID may want us to redirect somewhere else
- if ( $this->mRedirectUrl ) {
- $wgOut->redirect( $this->mRedirectUrl );
- wfDebug( __METHOD__ . ": redirecting due to oldid\n" );
- wfProfileOut( __METHOD__ );
-
- return;
- }
-
- $wgOut->setArticleFlag( true );
- # Set page title (may be overridden by DISPLAYTITLE)
- $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
-
- # If we got diff in the query, we want to see a diff page instead of the article.
- if ( $wgRequest->getCheck( 'diff' ) ) {
- wfDebug( __METHOD__ . ": showing diff page\n" );
- $this->showDiffPage();
- wfProfileOut( __METHOD__ );
-
- return;
- }
-
- # Allow frames by default
- $wgOut->allowClickjacking();
-
- if ( !$wgUseETag && !$this->mTitle->quickUserCan( 'edit' ) ) {
- $parserOptions->setEditSection( false );
- }
-
- # Should the parser cache be used?
- $useParserCache = $this->useParserCache( $oldid );
- wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ? 'yes' : 'no' ) . "\n" );
- if ( $wgUser->getStubThreshold() ) {
- wfIncrStats( 'pcache_miss_stub' );
- }
-
- $wasRedirected = $this->showRedirectedFromHeader();
- $this->showNamespaceHeader();
-
- # Iterate through the possible ways of constructing the output text.
- # Keep going until $outputDone is set, or we run out of things to do.
- $pass = 0;
- $outputDone = false;
- $this->mParserOutput = false;
-
- while ( !$outputDone && ++$pass ) {
- switch( $pass ) {
- case 1:
- wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$useParserCache ) );
- break;
- case 2:
- # Try the parser cache
- if ( $useParserCache ) {
- $this->mParserOutput = $parserCache->get( $this, $parserOptions );
-
- if ( $this->mParserOutput !== false ) {
- wfDebug( __METHOD__ . ": showing parser cache contents\n" );
- $wgOut->addParserOutput( $this->mParserOutput );
- # Ensure that UI elements requiring revision ID have
- # the correct version information.
- $wgOut->setRevisionId( $this->mLatest );
- $outputDone = true;
- }
- }
- break;
- case 3:
- $text = $this->getContent();
- if ( $text === false || $this->getID() == 0 ) {
- wfDebug( __METHOD__ . ": showing missing article\n" );
- $this->showMissingArticle();
- wfProfileOut( __METHOD__ );
- return;
- }
-
- # Another whitelist check in case oldid is altering the title
- if ( !$this->mTitle->userCanRead() ) {
- wfDebug( __METHOD__ . ": denied on secondary read check\n" );
- $wgOut->loginToUse();
- $wgOut->output();
- $wgOut->disable();
- wfProfileOut( __METHOD__ );
- return;
- }
-
- # Are we looking at an old revision
- if ( $oldid && !is_null( $this->mRevision ) ) {
- $this->setOldSubtitle( $oldid );
-
- if ( !$this->showDeletedRevisionHeader() ) {
- wfDebug( __METHOD__ . ": cannot view deleted revision\n" );
- wfProfileOut( __METHOD__ );
- return;
- }
-
- # If this "old" version is the current, then try the parser cache...
- if ( $oldid === $this->getLatest() && $this->useParserCache( false ) ) {
- $this->mParserOutput = $parserCache->get( $this, $parserOptions );
- if ( $this->mParserOutput ) {
- wfDebug( __METHOD__ . ": showing parser cache for current rev permalink\n" );
- $wgOut->addParserOutput( $this->mParserOutput );
- $wgOut->setRevisionId( $this->mLatest );
- $outputDone = true;
- break;
- }
- }
- }
-
- # Ensure that UI elements requiring revision ID have
- # the correct version information.
- $wgOut->setRevisionId( $this->getRevIdFetched() );
-
- # Pages containing custom CSS or JavaScript get special treatment
- if ( $this->mTitle->isCssOrJsPage() || $this->mTitle->isCssJsSubpage() ) {
- wfDebug( __METHOD__ . ": showing CSS/JS source\n" );
- $this->showCssOrJsPage();
- $outputDone = true;
- } else {
- $rt = Title::newFromRedirectArray( $text );
- if ( $rt ) {
- wfDebug( __METHOD__ . ": showing redirect=no page\n" );
- # Viewing a redirect page (e.g. with parameter redirect=no)
- # Don't append the subtitle if this was an old revision
- $wgOut->addHTML( $this->viewRedirect( $rt, !$wasRedirected && $this->isCurrent() ) );
- # Parse just to get categories, displaytitle, etc.
- $this->mParserOutput = $wgParser->parse( $text, $this->mTitle, $parserOptions );
- $wgOut->addParserOutputNoText( $this->mParserOutput );
- $outputDone = true;
- }
- }
- break;
- case 4:
- # Run the parse, protected by a pool counter
- wfDebug( __METHOD__ . ": doing uncached parse\n" );
-
- $key = $parserCache->getKey( $this, $parserOptions );
- $poolArticleView = new PoolWorkArticleView( $this, $key, $useParserCache, $parserOptions );
-
- if ( !$poolArticleView->execute() ) {
- # Connection or timeout error
- wfProfileOut( __METHOD__ );
- return;
- } else {
- $outputDone = true;
- }
- break;
- # Should be unreachable, but just in case...
- default:
- break 2;
- }
- }
-
- # Adjust the title if it was set by displaytitle, -{T|}- or language conversion
- if ( $this->mParserOutput ) {
- $titleText = $this->mParserOutput->getTitleText();
-
- if ( strval( $titleText ) !== '' ) {
- $wgOut->setPageTitle( $titleText );
- }
- }
-
- # For the main page, overwrite the <title> element with the con-
- # tents of 'pagetitle-view-mainpage' instead of the default (if
- # that's not empty).
- # This message always exists because it is in the i18n files
- if ( $this->mTitle->equals( Title::newMainPage() )
- && ( $m = wfMsgForContent( 'pagetitle-view-mainpage' ) ) !== '' )
- {
- $wgOut->setHTMLTitle( $m );
- }
-
- # Now that we've filled $this->mParserOutput, we know whether
- # there are any __NOINDEX__ tags on the page
- $policy = $this->getRobotPolicy( 'view' );
- $wgOut->setIndexPolicy( $policy['index'] );
- $wgOut->setFollowPolicy( $policy['follow'] );
-
- $this->showViewFooter();
- $this->viewUpdates();
- wfProfileOut( __METHOD__ );
- }
-
- /**
- * Show a diff page according to current request variables. For use within
- * Article::view() only, other callers should use the DifferenceEngine class.
- */
- public function showDiffPage() {
- global $wgRequest, $wgUser;
-
- $diff = $wgRequest->getVal( 'diff' );
- $rcid = $wgRequest->getVal( 'rcid' );
- $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
- $purge = $wgRequest->getVal( 'action' ) == 'purge';
- $unhide = $wgRequest->getInt( 'unhide' ) == 1;
- $oldid = $this->getOldID();
-
- $de = new DifferenceEngine( $this->mTitle, $oldid, $diff, $rcid, $purge, $unhide );
- // DifferenceEngine directly fetched the revision:
- $this->mRevIdFetched = $de->mNewid;
- $de->showDiffPage( $diffOnly );
-
- // 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();
- }
- }
-
- /**
- * Show a page view for a page formatted as CSS or JavaScript. To be called by
- * Article::view() only.
- *
- * This is hooked by SyntaxHighlight_GeSHi to do syntax highlighting of these
- * page views.
- */
- protected function showCssOrJsPage() {
- global $wgOut;
-
- $wgOut->wrapWikiMsg( "<div id='mw-clearyourcache'>\n$1\n</div>", 'clearyourcache' );
-
- // Give hooks a chance to customise the output
- if ( wfRunHooks( 'ShowRawCssJs', array( $this->mContent, $this->mTitle, $wgOut ) ) ) {
- // Wrap the whole lot in a <pre> and don't parse
- $m = array();
- preg_match( '!\.(css|js)$!u', $this->mTitle->getText(), $m );
- $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
- $wgOut->addHTML( htmlspecialchars( $this->mContent ) );
- $wgOut->addHTML( "\n</pre>\n" );
- }
- }
-
- /**
- * Get the robot policy to be used for the current view
- * @param $action String the action= GET parameter
- * @return Array the policy that should be set
- * TODO: actions other than 'view'
- */
- public function getRobotPolicy( $action ) {
- global $wgOut, $wgArticleRobotPolicies, $wgNamespaceRobotPolicies;
- global $wgDefaultRobotPolicy, $wgRequest;
-
- $ns = $this->mTitle->getNamespace();
-
- if ( $ns == NS_USER || $ns == NS_USER_TALK ) {
- # Don't index user and user talk pages for blocked users (bug 11443)
- if ( !$this->mTitle->isSubpage() ) {
- $block = new Block();
- if ( $block->load( $this->mTitle->getText() ) ) {
- return array(
- 'index' => 'noindex',
- 'follow' => 'nofollow'
- );
- }
- }
- }
-
- if ( $this->getID() === 0 || $this->getOldID() ) {
- # Non-articles (special pages etc), and old revisions
- return array(
- 'index' => 'noindex',
- 'follow' => 'nofollow'
- );
- } elseif ( $wgOut->isPrintable() ) {
- # Discourage indexing of printable versions, but encourage following
- return array(
- 'index' => 'noindex',
- 'follow' => 'follow'
- );
- } elseif ( $wgRequest->getInt( 'curid' ) ) {
- # For ?curid=x urls, disallow indexing
- return array(
- 'index' => 'noindex',
- 'follow' => 'follow'
- );
- }
-
- # Otherwise, construct the policy based on the various config variables.
- $policy = self::formatRobotPolicy( $wgDefaultRobotPolicy );
-
- if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
- # Honour customised robot policies for this namespace
- $policy = array_merge(
- $policy,
- self::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] )
- );
- }
- if ( $this->mTitle->canUseNoindex() && is_object( $this->mParserOutput ) && $this->mParserOutput->getIndexPolicy() ) {
- # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
- # a final sanity check that we have really got the parser output.
- $policy = array_merge(
- $policy,
- array( 'index' => $this->mParserOutput->getIndexPolicy() )
- );
- }
-
- if ( isset( $wgArticleRobotPolicies[$this->mTitle->getPrefixedText()] ) ) {
- # (bug 14900) site config can override user-defined __INDEX__ or __NOINDEX__
- $policy = array_merge(
- $policy,
- self::formatRobotPolicy( $wgArticleRobotPolicies[$this->mTitle->getPrefixedText()] )
- );
- }
-
- return $policy;
- }
-
- /**
- * Converts a String robot policy into an associative array, to allow
- * merging of several policies using array_merge().
- * @param $policy Mixed, returns empty array on null/false/'', transparent
- * to already-converted arrays, converts String.
- * @return associative Array: 'index' => <indexpolicy>, 'follow' => <followpolicy>
- */
- public static function formatRobotPolicy( $policy ) {
- if ( is_array( $policy ) ) {
- return $policy;
- } elseif ( !$policy ) {
- return array();
- }
-
- $policy = explode( ',', $policy );
- $policy = array_map( 'trim', $policy );
-
- $arr = array();
- foreach ( $policy as $var ) {
- if ( in_array( $var, array( 'index', 'noindex' ) ) ) {
- $arr['index'] = $var;
- } elseif ( in_array( $var, array( 'follow', 'nofollow' ) ) ) {
- $arr['follow'] = $var;
- }
- }
-
- return $arr;
- }
-
- /**
- * If this request is a redirect view, send "redirected from" subtitle to
- * $wgOut. Returns true if the header was needed, false if this is not a
- * redirect view. Handles both local and remote redirects.
- *
- * @return boolean
- */
- public function showRedirectedFromHeader() {
- global $wgOut, $wgUser, $wgRequest, $wgRedirectSources;
-
- $rdfrom = $wgRequest->getVal( 'rdfrom' );
- $sk = $wgUser->getSkin();
-
- 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 ) ) ) {
- $redir = $sk->link(
- $this->mRedirectedFrom,
- null,
- array(),
- array( 'redirect' => 'no' ),
- array( 'known', 'noclasses' )
- );
-
- $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $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\");" );
- }
-
- // Add a <link rel="canonical"> tag
- $wgOut->addLink( array( 'rel' => 'canonical',
- 'href' => $this->mTitle->getLocalURL() )
- );
-
- return true;
- }
- } elseif ( $rdfrom ) {
- // This is an externally redirected view, from some other wiki.
- // If it was reported from a trusted site, supply a backlink.
- if ( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
- $redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
- $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
- $wgOut->setSubtitle( $s );
-
- return true;
- }
- }
-
- return false;
- }
-
- /**
- * Show a header specific to the namespace currently being viewed, like
- * [[MediaWiki:Talkpagetext]]. For Article::view().
- */
- public function showNamespaceHeader() {
- global $wgOut;
-
- if ( $this->mTitle->isTalkPage() ) {
- $msg = wfMsgNoTrans( 'talkpageheader' );
- if ( $msg !== '-' && !wfEmptyMsg( 'talkpageheader', $msg ) ) {
- $wgOut->wrapWikiMsg( "<div class=\"mw-talkpageheader\">\n$1\n</div>", array( 'talkpageheader' ) );
- }
- }
- }
-
- /**
- * Show the footer section of an ordinary page view
- */
- public function showViewFooter() {
- global $wgOut, $wgUseTrackbacks;
-
- # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
- if ( $this->mTitle->getNamespace() == 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.
- $this->showPatrolFooter();
-
- # Trackbacks
- if ( $wgUseTrackbacks ) {
- $this->addTrackbacks();
- }
- }
-
- /**
- * If patrol is possible, output a patrol UI box. This is called from the
- * footer section of ordinary page views. If patrol is not possible or not
- * desired, does nothing.
- */
- public function showPatrolFooter() {
- global $wgOut, $wgRequest, $wgUser;
-
- $rcid = $wgRequest->getVal( 'rcid' );
-
- if ( !$rcid || !$this->mTitle->quickUserCan( 'patrol' ) ) {
- return;
- }
-
- $sk = $wgUser->getSkin();
- $token = $wgUser->editToken( $rcid );
- $wgOut->preventClickjacking();
-
- $wgOut->addHTML(
- "<div class='patrollink'>" .
- wfMsgHtml(
- 'markaspatrolledlink',
- $sk->link(
- $this->mTitle,
- wfMsgHtml( 'markaspatrolledtext' ),
- array(),
- array(
- 'action' => 'markpatrolled',
- 'rcid' => $rcid,
- 'token' => $token,
- ),
- array( 'known', 'noclasses' )
- )
- ) .
- '</div>'
- );
- }
-
- /**
- * Show the error text for a missing article. For articles in the MediaWiki
- * namespace, show the default message text. To be called from Article::view().
- */
- public function showMissingArticle() {
- global $wgOut, $wgRequest, $wgUser;
-
- # Show info in user (talk) namespace. Does the user exist? Is he blocked?
- if ( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
- $parts = explode( '/', $this->mTitle->getText() );
- $rootPart = $parts[0];
- $user = User::newFromName( $rootPart, false /* allow IP users*/ );
- $ip = User::isIP( $rootPart );
-
- if ( !$user->isLoggedIn() && !$ip ) { # User does not exist
- $wgOut->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1\n</div>",
- array( 'userpage-userdoesnotexist-view', $rootPart ) );
- } else if ( $user->isBlocked() ) { # Show log extract if the user is currently blocked
- LogEventsList::showLogExtract(
- $wgOut,
- 'block',
- $user->getUserPage()->getPrefixedText(),
- '',
- array(
- 'lim' => 1,
- 'showIfEmpty' => false,
- 'msgKey' => array(
- 'blocked-notice-logextract',
- $user->getName() # Support GENDER in notice
- )
- )
- );
- }
- }
-
- wfRunHooks( 'ShowMissingArticle', array( $this ) );
-
- # Show delete and move logs
- LogEventsList::showLogExtract( $wgOut, array( 'delete', 'move' ), $this->mTitle->getPrefixedText(), '',
- array( 'lim' => 10,
- 'conds' => array( "log_action != 'revision'" ),
- 'showIfEmpty' => false,
- 'msgKey' => array( 'moveddeleted-notice' ) )
- );
-
- # Show error message
- $oldid = $this->getOldID();
- if ( $oldid ) {
- $text = wfMsgNoTrans( 'missing-article',
- $this->mTitle->getPrefixedText(),
- wfMsgNoTrans( 'missingarticle-rev', $oldid ) );
- } elseif ( $this->mTitle->getNamespace() === NS_MEDIAWIKI ) {
- // Use the default message text
- $text = $this->getContent();
- } else {
- $createErrors = $this->mTitle->getUserPermissionsErrors( 'create', $wgUser );
- $editErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $wgUser );
- $errors = array_merge( $createErrors, $editErrors );
-
- if ( !count( $errors ) ) {
- $text = wfMsgNoTrans( 'noarticletext' );
- } else {
- $text = wfMsgNoTrans( 'noarticletext-nopermission' );
- }
- }
- $text = "<div class='noarticletext'>\n$text\n</div>";
-
- if ( !$this->hasViewableContent() ) {
- // If there's no backing content, send a 404 Not Found
- // for better machine handling of broken links.
- $wgRequest->response()->header( "HTTP/1.1 404 Not Found" );
- }
-
- $wgOut->addWikiText( $text );
- }
-
- /**
- * If the revision requested for view is deleted, check permissions.
- * Send either an error message or a warning header to $wgOut.
- *
- * @return boolean true if the view is allowed, false if not.
- */
- public function showDeletedRevisionHeader() {
- global $wgOut, $wgRequest;
-
- if ( !$this->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
- // Not deleted
- return true;
- }
-
- // If the user is not allowed to see it...
- if ( !$this->mRevision->userCan( Revision::DELETED_TEXT ) ) {
- $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
- 'rev-deleted-text-permission' );
-
- return false;
- // If the user needs to confirm that they want to see it...
- } else if ( $wgRequest->getInt( 'unhide' ) != 1 ) {
- # Give explanation and add a link to view the revision...
- $oldid = intval( $this->getOldID() );
- $link = $this->mTitle->getFullUrl( "oldid={$oldid}&unhide=1" );
- $msg = $this->mRevision->isDeleted( Revision::DELETED_RESTRICTED ) ?
- 'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
- $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
- array( $msg, $link ) );
-
- return false;
- // We are allowed to see...
- } else {
- $msg = $this->mRevision->isDeleted( Revision::DELETED_RESTRICTED ) ?
- 'rev-suppressed-text-view' : 'rev-deleted-text-view';
- $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", $msg );
-
- return true;
- }
- }
-
- /**
- * Should the parser cache be used?
- *
- * @return boolean
- */
- public function useParserCache( $oldid ) {
- global $wgUser, $wgEnableParserCache;
-
- return $wgEnableParserCache
- && $wgUser->getStubThreshold() == 0
- && $this->exists()
- && empty( $oldid )
- && !$this->mTitle->isCssOrJsPage()
- && !$this->mTitle->isCssJsSubpage();
- }
-
- /**
- * Execute the uncached parse for action=view
- */
- public function doViewParse() {
- global $wgOut;
-
- $oldid = $this->getOldID();
- $parserOptions = $this->getParserOptions();
-
- # Render printable version, use printable version cache
- $parserOptions->setIsPrintable( $wgOut->isPrintable() );
-
- # Don't show section-edit links on old revisions... this way lies madness.
- if ( !$this->isCurrent() || $wgOut->isPrintable() || !$this->mTitle->quickUserCan( 'edit' ) ) {
- $parserOptions->setEditSection( false );
- }
-
- $useParserCache = $this->useParserCache( $oldid );
- $this->outputWikiText( $this->getContent(), $useParserCache, $parserOptions );
-
- return true;
- }
-
- /**
- * Try to fetch an expired entry from the parser cache. If it is present,
- * output it and return true. If it is not present, output nothing and
- * return false. This is used as a callback function for
- * PoolCounter::executeProtected().
- *
- * @return boolean
- */
- public function tryDirtyCache() {
- global $wgOut;
- $parserCache = ParserCache::singleton();
- $options = $this->getParserOptions();
-
- if ( $wgOut->isPrintable() ) {
- $options->setIsPrintable( true );
- $options->setEditSection( false );
- }
-
- $output = $parserCache->getDirty( $this, $options );
-
- if ( $output ) {
- wfDebug( __METHOD__ . ": sending dirty output\n" );
- wfDebugLog( 'dirty', "dirty output " . $parserCache->getKey( $this, $options ) . "\n" );
- $wgOut->setSquidMaxage( 0 );
- $this->mParserOutput = $output;
- $wgOut->addParserOutput( $output );
- $wgOut->addHTML( "<!-- parser cache is expired, sending anyway due to pool overload-->\n" );
-
- return true;
- } else {
- wfDebugLog( 'dirty', "dirty missing\n" );
- wfDebug( __METHOD__ . ": no dirty cache\n" );
-
- return false;
- }
- }
-
- /**
- * 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?
- * @return string containing HMTL with redirect link
- */
- public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
- global $wgOut, $wgContLang, $wgStylePath, $wgUser;
-
- if ( !is_array( $target ) ) {
- $target = array( $target );
- }
-
- $imageDir = $wgContLang->getDir();
-
- 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->linkKnown( $title, htmlspecialchars( $title->getFullText() ) );
- } else {
- $link = $sk->link( $title, htmlspecialchars( $title->getFullText() ) );
- }
-
- $nextRedirect = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png';
- $alt = $wgContLang->isRTL() ? '←' : '→';
- // Automatically append redirect=no to each link, since most of them are redirect pages themselves.
- // FIXME: where this happens?
- foreach ( $target as $rt ) {
- $link .= Html::element( 'img', array( 'src' => $nextRedirect, 'alt' => $alt ) );
- if ( $forceKnown ) {
- $link .= $sk->linkKnown( $rt, htmlspecialchars( $rt->getFullText() ) );
- } else {
- $link .= $sk->link( $rt, htmlspecialchars( $rt->getFullText() ) );
- }
- }
-
- $imageUrl = $wgStylePath . '/common/images/redirect' . $imageDir . '.png';
- return '<div class="redirectMsg">' .
- Html::element( 'img', array( 'src' => $imageUrl, 'alt' => '#REDIRECT' ) ) .
- '<span class="redirectText">' . $link . '</span></div>';
- }
-
- /**
- * Builds trackback links for article display if $wgUseTrackbacks is set to true
- */
- 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;
- }
-
- $wgOut->preventClickjacking();
-
- $tbtext = "";
- foreach ( $tbs as $o ) {
- $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 .= wfMsgNoTrans( strlen( $o->tb_ex ) ? 'trackbackexcerpt' : 'trackback',
- $o->tb_title,
- $o->tb_url,
- $o->tb_ex,
- $o->tb_name,
- $rmvtxt );
- }
-
- $wgOut->wrapWikiMsg( "<div id='mw_trackbacks'>\n$1\n</div>\n", array( 'trackbackbox', $tbtext ) );
- }
-
- /**
- * Removes trackback record for current article from trackbacks table
- */
- 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();
- }
-
- /**
- * Handle action=render
- */
-
- public function render() {
- global $wgOut;
-
- $wgOut->setArticleBodyOnly( true );
- $this->view();
- }
-
- /**
- * Handle action=purge
- */
- public function purge() {
- global $wgUser, $wgRequest, $wgOut;
-
- if ( $wgUser->isAllowed( 'purge' ) || $wgRequest->wasPosted() ) {
- //FIXME: shouldn't this be in doPurge()?
- if ( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
- $this->doPurge();
- $this->view();
- }
- } else {
- $formParams = array(
- 'method' => 'post',
- 'action' => $wgRequest->getRequestURL(),
- );
-
- $wgOut->addWikiMsg( 'confirm-purge-top' );
-
- $form = Html::openElement( 'form', $formParams );
- $form .= Xml::submitButton( wfMsg( 'confirm_purge_button' ) );
- $form .= Html::closeElement( 'form' );
-
- $wgOut->addHTML( $form );
- $wgOut->addWikiMsg( 'confirm-purge-bottom' );
-
- $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
- $wgOut->setRobotPolicy( 'noindex,nofollow' );
- }
- }
-
- /**
- * 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->commit();
-
- // 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->updateRevisionOn( ... );
- * 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 DatabaseBase: 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::newFromRedirectRecurse( $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->insertRedirectEntry( $redirectTitle );
- } 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 $revision Revision object
- * @return mixed
- */
- public function updateIfNewerOn( &$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...)
- * @param $text String: new text of the section
- * @param $summary String: new section's subject, only if $section is 'new'
- * @param $edittime String: revision timestamp or null to use the current revision
- * @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" );
- wfProfileOut( __METHOD__ );
- 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;
- }
-
- /**
- * This function is not deprecated until somebody fixes the core not to use
- * it. Nevertheless, use Article::doEdit() instead.
- */
- function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC = false, $comment = false, $bot = false ) {
- $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 = '' ) {
- $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;
- }
-
- /**
- * Check flags and add EDIT_NEW or EDIT_UPDATE to them as needed.
- * @param $flags Int
- * @return Int updated $flags
- */
- function checkFlags( $flags ) {
- if ( !( $flags & EDIT_NEW ) && !( $flags & EDIT_UPDATE ) ) {
- if ( $this->mTitle->getArticleID() ) {
- $flags |= EDIT_UPDATE;
- } else {
- $flags |= EDIT_NEW;
- }
- }
-
- return $flags;
- }
-
- /**
- * 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();
-
- $flags = $this->checkFlags( $flags );
-
- if ( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary,
- $flags & EDIT_MINOR, null, null, &$flags, &$status ) ) )
- {
- wfDebug( __METHOD__ . ": ArticleSave hook aborted save!\n" );
-
- if ( $status->isOK() ) {
- $status->fatal( 'edit-hook-aborted' );
- }
-
- wfProfileOut( __METHOD__ );
- 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();
- $this->mTimestamp = $now;
-
- 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 );
- }
-
- $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;
- wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, $baseRevId, $user ) );
- # 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 );
- }
- }
- $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 );
-
- wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
-
- # 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 );
- }
- }
- $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 )
- $query .= "&$extraQuery";
- } else {
- $query = $extraQuery;
- }
-
- $wgOut->redirect( $this->mTitle->getFullURL( $query ) . $sectionAnchor );
- }
-
- /**
- * Mark this particular edit/page as patrolled
- */
- public function markpatrolled() {
- global $wgOut, $wgUser, $wgRequest;
-
- $wgOut->setRobotPolicy( 'noindex,nofollow' );
-
- # If we haven't been given an rc_id value, we can't do anything
- $rcid = (int) $wgRequest->getVal( 'rcid' );
-
- if ( !$wgUser->matchEditToken( $wgRequest->getVal( 'token' ), $rcid ) ) {
- $wgOut->showErrorPage( 'sessionfailure-title', 'sessionfailure' );
- return;
- }
-
- $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 );
-
- $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', $rc->getTitle()->getPrefixedText() );
- $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
- *
- * This is safe to be called multiple times
- *
- * @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() {
- $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, $wgContLang;
-
- $restrictionTypes = $this->mTitle->getRestrictionTypes();
-
- $id = $this->mTitle->getArticleID();
-
- if ( $id <= 0 ) {
- wfDebug( "updateRestrictions failed: article id $id <= 0\n" );
- return false;
- }
-
- if ( wfReadOnly() ) {
- wfDebug( "updateRestrictions failed: read-only\n" );
- return false;
- }
-
- if ( !$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 ( $restrictionTypes 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] = Block::infinity();
-
- $encodedExpiry[$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
- * @return mixed String containing deletion reason or empty string, or boolean false
- * if no revision occurred
- */
- 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(), $dbw->bitAnd( '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 );
-
- if ( $row ) { // $row is false if the only contributor is hidden
- $onlyAuthor = $row->rev_user_text;
- // Try to find a second contributor
- foreach ( $res as $row ) {
- if ( $row->rev_user_text != $onlyAuthor ) { // Bug 22999
- $onlyAuthor = false;
- break;
- }
- }
- } else {
- $onlyAuthor = false;
- }
-
- // 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(
- Html::rawElement(
- 'div',
- array( 'class' => 'error mw-error-cannotdelete' ),
- wfMsgExt( 'cannotdelete', array( 'parse' ), $this->mTitle->getPrefixedText() )
- )
- );
- $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( "<div class='error'>\n$1\n</div>\n",
- array( 'delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
-
- return;
- }
-
- if ( $confirm ) {
- $this->doDelete( $reason, $suppress );
-
- if ( $wgRequest->getCheck( 'wpWatch' ) && $wgUser->isLoggedIn() ) {
- $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 ) {
- global $wgLang;
-
- $skin = $wgUser->getSkin();
- $revisions = $this->estimateRevisionCount();
- //FIXME: lego
- $wgOut->addHTML( '<strong class="mw-delete-warning-revisions">' .
- wfMsgExt( 'historywarning', array( 'parseinline' ), $wgLang->formatNum( $revisions ) ) .
- wfMsgHtml( 'word-separator' ) . $skin->historyLink() .
- '</strong>'
- );
-
- if ( $bigHistory ) {
- global $wgDeleteRevisionsLimit;
- $wgOut->wrapWikiMsg( "<div class='error'>\n$1\n</div>\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 );
-
- foreach ( $res as $row ) {
- $authors[] = $row->rev_user_text;
- }
-
- wfProfileOut( __METHOD__ );
- return $authors;
- }
-
- /**
- * Output deletion confirmation dialog
- * FIXME: Move to another file?
- * @param $reason String: prefilled reason
- */
- public function confirmDelete( $reason ) {
- global $wgOut, $wgUser;
-
- wfDebug( "Article::confirmDelete\n" );
-
- $deleteBackLink = $wgUser->getSkin()->linkKnown( $this->mTitle );
- $wgOut->setSubtitle( wfMsgHtml( 'delete-backlink', $deleteBackLink ) );
- $wgOut->setRobotPolicy( 'noindex,nofollow' );
- $wgOut->addWikiMsg( 'confirmdeletetext' );
-
- wfRunHooks( 'ArticleConfirmDelete', array( $this, $wgOut, &$reason ) );
-
- if ( $wgUser->isAllowed( 'suppressrevision' ) ) {
- $suppress = "<tr id=\"wpDeleteSuppressRow\" name=\"wpDeleteSuppressRow\">
- <td></td>
- <td class='mw-input'><strong>" .
- Xml::checkLabel( wfMsg( 'revdelete-suppress' ),
- 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
- "</strong></td>
- </tr>";
- } 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' ) ) .
- "<tr id=\"wpDeleteReasonListRow\">
- <td class='mw-label'>" .
- Xml::label( wfMsg( 'deletecomment' ), 'wpDeleteReasonList' ) .
- "</td>
- <td class='mw-input'>" .
- Xml::listDropDown( 'wpDeleteReasonList',
- wfMsgForContent( 'deletereason-dropdown' ),
- wfMsgForContent( 'deletereasonotherlist' ), '', 'wpReasonDropDown', 1 ) .
- "</td>
- </tr>
- <tr id=\"wpDeleteReasonRow\">
- <td class='mw-label'>" .
- Xml::label( wfMsg( 'deleteotherreason' ), 'wpReason' ) .
- "</td>
- <td class='mw-input'>" .
- Html::input( 'wpReason', $reason, 'text', array(
- 'size' => '60',
- 'maxlength' => '255',
- 'tabindex' => '2',
- 'id' => 'wpReason',
- 'autofocus'
- ) ) .
- "</td>
- </tr>";
-
- # Disallow watching if user is not logged in
- if ( $wgUser->isLoggedIn() ) {
- $form .= "
- <tr>
- <td></td>
- <td class='mw-input'>" .
- Xml::checkLabel( wfMsg( 'watchthis' ),
- 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
- "</td>
- </tr>";
- }
-
- $form .= "
- $suppress
- <tr>
- <td></td>
- <td class='mw-submit'>" .
- Xml::submitButton( wfMsg( 'deletepage' ),
- array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) .
- "</td>
- </tr>" .
- Xml::closeElement( 'table' ) .
- Xml::closeElement( 'fieldset' ) .
- Html::hidden( 'wpEditToken', $wgUser->editToken() ) .
- Xml::closeElement( 'form' );
-
- if ( $wgUser->isAllowed( 'editinterface' ) ) {
- $skin = $wgUser->getSkin();
- $title = Title::makeTitle( NS_MEDIAWIKI, 'Deletereason-dropdown' );
- $link = $skin->link(
- $title,
- wfMsgHtml( 'delete-edit-reasonlist' ),
- array(),
- array( 'action' => 'edit' )
- );
- $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
- }
-
- $wgOut->addHTML( $form );
- $wgOut->addHTML( Xml::element( 'h2', null, LogPage::logName( 'delete' ) ) );
- 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( Title::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(
- Html::rawElement(
- 'div',
- array( 'class' => 'error mw-error-cannotdelete' ),
- wfMsgExt( 'cannotdelete', array( 'parse' ), $this->mTitle->getPrefixedText() )
- )
- );
-
- $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
- *
- * @param $reason string delete reason for deletion log
- * @param suppress bitfield
- * Revision::DELETED_TEXT
- * Revision::DELETED_COMMENT
- * Revision::DELETED_USER
- * Revision::DELETED_RESTRICTED
- * @param $id int article ID
- * @param $commit boolean defaults to true, triggers transaction end
- * @return boolean true if successful
- */
- public function doDeleteArticle( $reason, $suppress = false, $id = 0, $commit = true ) {
- global $wgDeferredUpdateList, $wgUseTrackbacks;
-
- wfDebug( __METHOD__ . "\n" );
-
- $dbw = wfGetDB( DB_MASTER );
- $t = $this->mTitle->getDBkey();
- $id = $id ? $id : $this->mTitle->getArticleID( Title::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( 'iwlinks', array( 'iwl_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() );
-
- if ( $commit ) {
- $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 );
- # User name given should match up with the top revision.
- # If the user was deleted then $from should be empty.
- 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...
- # Note: these may not be public values
- $user = intval( $current->getRawUser() );
- $user_text = $dbw->addQuotes( $current->getRawUserText() );
- $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 ( count( $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 ) ) {
- if ( $from == '' ) { // no public user name
- $summary = wfMsgForContent( 'revertpage-nouser' );
- } else {
- $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;
-
- $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.
- # Remove 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' );
-
- if ( $current->getUserText() === '' ) {
- $old = wfMsg( 'rev-deleted-user' );
- } else {
- $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, $wgUser;
- if ( wfReadOnly() ) {
- return;
- }
-
- # Don't update page view counters on views from bot users (bug 14044)
- if ( !$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 );
- $edit->popts = $this->getParserOptions();
- $edit->output = $wgParser->parse( $edit->pst, $this->mTitle, $edit->popts, 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 String: New text of the article
- * @param $summary String: Edit summary
- * @param $minoredit Boolean: Minor edit
- * @param $timestamp_of_pagechange Timestamp associated with the page change
- * @param $newid Integer: rev_id value of the new revision
- * @param $changed Boolean: Whether or not the content actually changed
- */
- public function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) {
- global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $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 ) {
- $parserCache = ParserCache::singleton();
- $parserCache->save( $editInfo->output, $this, $editInfo->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 \<date\>; 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;
- }
-
- $unhide = $wgRequest->getInt( 'unhide' ) == 1;
-
- # Cascade unhide param in links for easy deletion browsing
- $extraParams = array();
- if ( $wgRequest->getVal( 'unhide' ) ) {
- $extraParams['unhide'] = 1;
- }
-
- $revision = Revision::newFromId( $oldid );
-
- $current = ( $oldid == $this->mLatest );
- $td = $wgLang->timeanddate( $this->mTimestamp, true );
- $tddate = $wgLang->date( $this->mTimestamp, true );
- $tdtime = $wgLang->time( $this->mTimestamp, true );
- $sk = $wgUser->getSkin();
- $lnk = $current
- ? wfMsgHtml( 'currentrevisionlink' )
- : $sk->link(
- $this->mTitle,
- wfMsgHtml( 'currentrevisionlink' ),
- array(),
- $extraParams,
- array( 'known', 'noclasses' )
- );
- $curdiff = $current
- ? wfMsgHtml( 'diff' )
- : $sk->link(
- $this->mTitle,
- wfMsgHtml( 'diff' ),
- array(),
- array(
- 'diff' => 'cur',
- 'oldid' => $oldid
- ) + $extraParams,
- array( 'known', 'noclasses' )
- );
- $prev = $this->mTitle->getPreviousRevisionID( $oldid ) ;
- $prevlink = $prev
- ? $sk->link(
- $this->mTitle,
- wfMsgHtml( 'previousrevision' ),
- array(),
- array(
- 'direction' => 'prev',
- 'oldid' => $oldid
- ) + $extraParams,
- array( 'known', 'noclasses' )
- )
- : wfMsgHtml( 'previousrevision' );
- $prevdiff = $prev
- ? $sk->link(
- $this->mTitle,
- wfMsgHtml( 'diff' ),
- array(),
- array(
- 'diff' => 'prev',
- 'oldid' => $oldid
- ) + $extraParams,
- array( 'known', 'noclasses' )
- )
- : wfMsgHtml( 'diff' );
- $nextlink = $current
- ? wfMsgHtml( 'nextrevision' )
- : $sk->link(
- $this->mTitle,
- wfMsgHtml( 'nextrevision' ),
- array(),
- array(
- 'direction' => 'next',
- 'oldid' => $oldid
- ) + $extraParams,
- array( 'known', 'noclasses' )
- );
- $nextdiff = $current
- ? wfMsgHtml( 'diff' )
- : $sk->link(
- $this->mTitle,
- wfMsgHtml( 'diff' ),
- array(),
- array(
- 'diff' => 'next',
- 'oldid' => $oldid
- ) + $extraParams,
- array( 'known', 'noclasses' )
- );
-
- $cdel = '';
-
- // User can delete revisions or view deleted revisions...
- $canHide = $wgUser->isAllowed( 'deleterevision' );
- if ( $canHide || ( $revision->getVisibility() && $wgUser->isAllowed( 'deletedhistory' ) ) ) {
- if ( !$revision->userCan( Revision::DELETED_RESTRICTED ) ) {
- $cdel = $sk->revDeleteLinkDisabled( $canHide ); // rev was hidden from Sysops
- } else {
- $query = array(
- 'type' => 'revision',
- 'target' => $this->mTitle->getPrefixedDbkey(),
- 'ids' => $oldid
- );
- $cdel = $sk->revDeleteLink( $query, $revision->isDeleted( File::DELETED_RESTRICTED ), $canHide );
- }
- $cdel .= ' ';
- }
-
- # 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';
-
- $r = "\n\t\t\t\t<div id=\"mw-{$infomsg}\">" .
- wfMsgExt(
- $infomsg,
- array( 'parseinline', 'replaceafter' ),
- $td,
- $userlinks,
- $revision->getID(),
- $tddate,
- $tdtime,
- $revision->getUser()
- ) .
- "</div>\n" .
- "\n\t\t\t\t<div id=\"mw-revision-nav\">" . $cdel . wfMsgExt( 'revision-nav', array( 'escapenoentities', 'parsemag', 'replaceafter' ),
- $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 $text String article contents
- * @return string article contents with altered wikitext markup (signatures
- * converted, {{subst:}}, templates, etc.)
- */
- 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)
- *
- * @return boolean true if cached version send, false otherwise
- */
- 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 && !$this->mTitle->isRedirect();
- // Extension may have reason to disable file caching on some pages.
- if ( $cacheable ) {
- $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
- }
- }
-
- return $cacheable;
- }
-
- /**
- * Loads page_touched and returns a value indicating if it should be used
- * @return boolean true if not a redirect
- */
- public function checkTouched() {
- if ( !$this->mDataLoaded ) {
- $this->loadPageData();
- }
-
- return !$this->mIsRedirect;
- }
-
- /**
- * Get the page_touched field
- * @return string containing GMT timestamp
- */
- public function getTouched() {
- if ( !$this->mDataLoaded ) {
- $this->loadPageData();
- }
-
- return $this->mTouched;
- }
-
- /**
- * Get the page_latest field
- * @return integer rev_id of current revision
- */
- public function getLatest() {
- if ( !$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 );
-
- global $wgUser;
- 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;
-
- $dbw = wfGetDB( DB_MASTER );
- $pageTable = $dbw->tableName( 'page' );
- $hitcounterTable = $dbw->tableName( 'hitcounter' );
- $acchitsTable = $dbw->tableName( 'acchits' );
- $dbType = $dbw->getType();
-
- if ( $wgHitcounterUpdateFreq <= 1 || $dbType == 'sqlite' ) {
- $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 );
-
- $dbw->lockTables( array(), array( 'hitcounter' ), __METHOD__, false );
- $tabletype = $dbType == 'mysql' ? "ENGINE=HEAP " : '';
- $dbw->query( "CREATE TEMPORARY TABLE $acchitsTable $tabletype AS " .
- "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable " .
- 'GROUP BY hc_id', __METHOD__ );
- $dbw->delete( 'hitcounter', '*', __METHOD__ );
- $dbw->unlockTables( __METHOD__ );
-
- if ( $dbType == 'mysql' ) {
- $dbw->query( "UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n " .
- 'WHERE page_id = hc_id', __METHOD__ );
- } else {
- $dbw->query( "UPDATE $pageTable SET page_counter=page_counter + hc_n " .
- "FROM $acchitsTable WHERE page_id = hc_id", __METHOD__ );
- }
- $dbw->query( "DROP TABLE $acchitsTable", __METHOD__ );
-
- 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();
- }
-
- /**
- * Clears caches when article is deleted
- */
- 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
- *
- * @param $title Title object
- * @todo: verify that $title is always a Title object (and never false or null), add Title hint to parameter $title
- */
- public static function onArticleEdit( $title ) {
- 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( '<div class="noarticletext">' );
- 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( '</div>' );
- } 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() );
-
-
- //FIXME: unescaped messages
- $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 object
- * @return mixed array or boolean false
- */
- 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 );
- }
- }
-
- 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 );
- }
- }
-
- 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 ) {
- global $wgContLang;
-
- # 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.
-
- $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
-
- $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
- * @param $parserOptions mixed ParserOptions object, or boolean false
- */
- public function outputWikiText( $text, $cache = true, $parserOptions = false ) {
- global $wgOut;
-
- $this->mParserOutput = $this->getOutputFromWikitext( $text, $cache, $parserOptions );
- $wgOut->addParserOutput( $this->mParserOutput );
- }
-
- /**
- * This does all the heavy lifting for outputWikitext, except it returns the parser
- * output instead of sending it straight to $wgOut. Makes things nice and simple for,
- * say, embedding thread pages within a discussion system (LiquidThreads)
- *
- * @param $text string
- * @param $cache boolean
- * @param $parserOptions parsing options, defaults to false
- * @return string containing parsed output
- */
- public function getOutputFromWikitext( $text, $cache = true, $parserOptions = false ) {
- global $wgParser, $wgEnableParserCache, $wgUseFileCache;
-
- if ( !$parserOptions ) {
- $parserOptions = $this->getParserOptions();
- }
-
- $time = - wfTime();
- $this->mParserOutput = $wgParser->parse( $text, $this->mTitle,
- $parserOptions, true, true, $this->getRevIdFetched() );
- $time += wfTime();
-
- # Timing hack
- if ( $time > 3 ) {
- wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
- $this->mTitle->getPrefixedDBkey() ) );
- }
-
- if ( $wgEnableParserCache && $cache && $this->mParserOutput->isCacheable() ) {
- $parserCache = ParserCache::singleton();
- $parserCache->save( $this->mParserOutput, $this, $parserOptions );
- }
-
- // Make sure file cache is not used on uncacheable content.
- // Output that has magic words in it can still use the parser cache
- // (if enabled), though it will generally expire sooner.
- if ( !$this->mParserOutput->isCacheable() || $this->mParserOutput->containsOldMagic() ) {
- $wgUseFileCache = false;
- }
-
- $this->doCascadeProtectionUpdates( $this->mParserOutput );
-
- return $this->mParserOutput;
- }
-
- /**
- * Get parser options suitable for rendering the primary article wikitext
- * @return mixed ParserOptions object or boolean false
- */
- public function getParserOptions() {
- global $wgUser;
-
- if ( !$this->mParserOptions ) {
- $this->mParserOptions = new ParserOptions( $wgUser );
- $this->mParserOptions->setTidy( true );
- $this->mParserOptions->enableLimitReport();
- }
-
- // Clone to allow modifications of the return value without affecting
- // the cache
- return clone $this->mParserOptions;
- }
-
- /**
- * Updates cascading protections
- *
- * @param $parserOutput mixed ParserOptions object, or boolean false
- **/
- protected function doCascadeProtectionUpdates( $parserOutput ) {
- if ( !$this->isCurrent() || wfReadOnly() || !$this->mTitle->areRestrictionsCascading() ) {
- return;
- }
-
- // 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__
- );
-
- 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 ) {
- $poTemplates["$ns:$dbk"] = true;
- }
- }
-
- # Get the diff
- $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();
- }
- }
-
- /**
- * 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
- */
- 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_id' => $dbw->nextSequenceValue( 'category_cat_id_seq' ),
- '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__
- );
- }
- }
-
- /**
- * Lightweight method to get the parser output for a page, checking the parser cache
- * and so on. Doesn't consider most of the stuff that Article::view is forced to
- * consider, so it's not appropriate to use there.
- *
- * @since 1.16 (r52326) for LiquidThreads
- *
- * @param $oldid mixed integer Revision ID or null
- */
- public function getParserOutput( $oldid = null ) {
- global $wgEnableParserCache, $wgUser;
-
- // Should the parser cache be used?
- $useParserCache = $wgEnableParserCache &&
- $wgUser->getStubThreshold() == 0 &&
- $this->exists() &&
- $oldid === null;
-
- wfDebug( __METHOD__ . ': using parser cache: ' . ( $useParserCache ? 'yes' : 'no' ) . "\n" );
-
- if ( $wgUser->getStubThreshold() ) {
- wfIncrStats( 'pcache_miss_stub' );
- }
-
- $parserOutput = false;
- if ( $useParserCache ) {
- $parserOutput = ParserCache::singleton()->get( $this, $this->getParserOptions() );
- }
-
- if ( $parserOutput === false ) {
- // Cache miss; parse and output it.
- $rev = Revision::newFromTitle( $this->getTitle(), $oldid );
-
- return $this->getOutputFromWikitext( $rev->getText(), $useParserCache );
- } else {
- return $parserOutput;
- }
- }
-
- // Deprecated methods
- /**
- * Get the database which should be used for reads
- *
- * @return Database
- * @deprecated - just call wfGetDB( DB_MASTER ) instead
- */
- function getDB() {
- wfDeprecated( __METHOD__ );
- return wfGetDB( DB_MASTER );
- }
-
-}
-
-class PoolWorkArticleView extends PoolCounterWork {
- private $mArticle;
-
- function __construct( $article, $key, $useParserCache, $parserOptions ) {
- parent::__construct( 'ArticleView', $key );
- $this->mArticle = $article;
- $this->cacheable = $useParserCache;
- $this->parserOptions = $parserOptions;
- }
-
- function doWork() {
- return $this->mArticle->doViewParse();
- }
-
- function getCachedWork() {
- global $wgOut;
-
- $parserCache = ParserCache::singleton();
- $this->mArticle->mParserOutput = $parserCache->get( $this->mArticle, $this->parserOptions );
-
- if ( $this->mArticle->mParserOutput !== false ) {
- wfDebug( __METHOD__ . ": showing contents parsed by someone else\n" );
- $wgOut->addParserOutput( $this->mArticle->mParserOutput );
- # Ensure that UI elements requiring revision ID have
- # the correct version information.
- $wgOut->setRevisionId( $this->mArticle->getLatest() );
- return true;
- }
- return false;
- }
-
- function fallback() {
- return $this->mArticle->tryDirtyCache();
- }
-
- function error( $status ) {
- global $wgOut;
-
- $wgOut->clearHTML(); // for release() errors
- $wgOut->enableClientCache( false );
- $wgOut->setRobotPolicy( 'noindex,nofollow' );
-
- $errortext = $status->getWikiText( false, 'view-pool-error' );
- $wgOut->addWikiText( '<div class="errorbox">' . $errortext . '</div>' );
-
- return false;
- }
-}
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff