4158 lines
126 KiB
PHP
4158 lines
126 KiB
PHP
<?php
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/**
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* See title.txt
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* @file
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*/
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/**
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* @todo: determine if it is really necessary to load this. Appears to be left over from pre-autoloader versions, and
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* is only really needed to provide access to constant UTF8_REPLACEMENT, which actually resides in UtfNormalDefines.php
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* and is loaded by UtfNormalUtil.php, which is loaded by UtfNormal.php.
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*/
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if ( !class_exists( 'UtfNormal' ) ) {
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require_once( dirname( __FILE__ ) . '/normal/UtfNormal.php' );
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}
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define ( 'GAID_FOR_UPDATE', 1 );
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/**
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* Represents a title within MediaWiki.
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* Optionally may contain an interwiki designation or namespace.
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* @note This class can fetch various kinds of data from the database;
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* however, it does so inefficiently.
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*
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* @internal documentation reviewed 15 Mar 2010
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*/
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class Title {
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/** @name Static cache variables */
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// @{
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static private $titleCache = array();
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// @}
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/**
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* Title::newFromText maintains a cache to avoid expensive re-normalization of
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* commonly used titles. On a batch operation this can become a memory leak
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* if not bounded. After hitting this many titles reset the cache.
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*/
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const CACHE_MAX = 1000;
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/**
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* @name Private member variables
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* Please use the accessor functions instead.
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* @private
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*/
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// @{
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var $mTextform = ''; // /< Text form (spaces not underscores) of the main part
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var $mUrlform = ''; // /< URL-encoded form of the main part
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var $mDbkeyform = ''; // /< Main part with underscores
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var $mUserCaseDBKey; // /< DB key with the initial letter in the case specified by the user
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var $mNamespace = NS_MAIN; // /< Namespace index, i.e. one of the NS_xxxx constants
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var $mInterwiki = ''; // /< Interwiki prefix (or null string)
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var $mFragment; // /< Title fragment (i.e. the bit after the #)
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var $mArticleID = -1; // /< Article ID, fetched from the link cache on demand
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var $mLatestID = false; // /< ID of most recent revision
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var $mRestrictions = array(); // /< Array of groups allowed to edit this article
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var $mOldRestrictions = false;
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var $mCascadeRestriction; ///< Cascade restrictions on this page to included templates and images?
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var $mCascadingRestrictions; // Caching the results of getCascadeProtectionSources
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var $mRestrictionsExpiry = array(); ///< When do the restrictions on this page expire?
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var $mHasCascadingRestrictions; ///< Are cascading restrictions in effect on this page?
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var $mCascadeSources; ///< Where are the cascading restrictions coming from on this page?
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var $mRestrictionsLoaded = false; ///< Boolean for initialisation on demand
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var $mPrefixedText; ///< Text form including namespace/interwiki, initialised on demand
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var $mTitleProtection; ///< Cached value of getTitleProtection
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# Don't change the following default, NS_MAIN is hardcoded in several
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# places. See bug 696.
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var $mDefaultNamespace = NS_MAIN; // /< Namespace index when there is no namespace
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# Zero except in {{transclusion}} tags
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var $mWatched = null; // /< Is $wgUser watching this page? null if unfilled, accessed through userIsWatching()
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var $mLength = -1; // /< The page length, 0 for special pages
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var $mRedirect = null; // /< Is the article at this title a redirect?
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var $mNotificationTimestamp = array(); // /< Associative array of user ID -> timestamp/false
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var $mBacklinkCache = null; // /< Cache of links to this title
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// @}
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/**
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* Constructor
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* @private
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*/
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/* private */ function __construct() { }
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/**
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* Create a new Title from a prefixed DB key
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*
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* @param $key \type{\string} The database key, which has underscores
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* instead of spaces, possibly including namespace and
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* interwiki prefixes
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* @return \type{Title} the new object, or NULL on an error
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*/
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public static function newFromDBkey( $key ) {
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$t = new Title();
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$t->mDbkeyform = $key;
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if ( $t->secureAndSplit() ) {
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return $t;
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} else {
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return null;
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}
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}
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/**
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* Create a new Title from text, such as what one would find in a link. De-
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* codes any HTML entities in the text.
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*
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* @param $text string The link text; spaces, prefixes, and an
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* initial ':' indicating the main namespace are accepted.
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* @param $defaultNamespace int The namespace to use if none is speci-
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* fied by a prefix. If you want to force a specific namespace even if
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* $text might begin with a namespace prefix, use makeTitle() or
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* makeTitleSafe().
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* @return Title The new object, or null on an error.
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*/
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public static function newFromText( $text, $defaultNamespace = NS_MAIN ) {
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if ( is_object( $text ) ) {
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throw new MWException( 'Title::newFromText given an object' );
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}
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/**
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* Wiki pages often contain multiple links to the same page.
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* Title normalization and parsing can become expensive on
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* pages with many links, so we can save a little time by
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* caching them.
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*
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* In theory these are value objects and won't get changed...
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*/
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if ( $defaultNamespace == NS_MAIN && isset( Title::$titleCache[$text] ) ) {
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return Title::$titleCache[$text];
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}
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/**
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* Convert things like é ā or 〗 into normalized(bug 14952) text
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*/
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$filteredText = Sanitizer::decodeCharReferencesAndNormalize( $text );
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$t = new Title();
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$t->mDbkeyform = str_replace( ' ', '_', $filteredText );
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$t->mDefaultNamespace = $defaultNamespace;
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static $cachedcount = 0 ;
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if ( $t->secureAndSplit() ) {
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if ( $defaultNamespace == NS_MAIN ) {
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if ( $cachedcount >= self::CACHE_MAX ) {
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# Avoid memory leaks on mass operations...
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Title::$titleCache = array();
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$cachedcount = 0;
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}
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$cachedcount++;
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Title::$titleCache[$text] =& $t;
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}
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return $t;
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} else {
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$ret = null;
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return $ret;
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}
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}
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/**
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* THIS IS NOT THE FUNCTION YOU WANT. Use Title::newFromText().
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*
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* Example of wrong and broken code:
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* $title = Title::newFromURL( $wgRequest->getVal( 'title' ) );
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*
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* Example of right code:
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* $title = Title::newFromText( $wgRequest->getVal( 'title' ) );
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*
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* Create a new Title from URL-encoded text. Ensures that
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* the given title's length does not exceed the maximum.
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*
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* @param $url \type{\string} the title, as might be taken from a URL
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* @return \type{Title} the new object, or NULL on an error
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*/
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public static function newFromURL( $url ) {
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global $wgLegalTitleChars;
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$t = new Title();
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# For compatibility with old buggy URLs. "+" is usually not valid in titles,
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# but some URLs used it as a space replacement and they still come
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# from some external search tools.
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if ( strpos( $wgLegalTitleChars, '+' ) === false ) {
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$url = str_replace( '+', ' ', $url );
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}
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$t->mDbkeyform = str_replace( ' ', '_', $url );
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if ( $t->secureAndSplit() ) {
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return $t;
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} else {
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return null;
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}
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}
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/**
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* Create a new Title from an article ID
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*
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* @param $id \type{\int} the page_id corresponding to the Title to create
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* @param $flags \type{\int} use GAID_FOR_UPDATE to use master
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* @return \type{Title} the new object, or NULL on an error
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*/
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public static function newFromID( $id, $flags = 0 ) {
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$db = ( $flags & GAID_FOR_UPDATE ) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
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$row = $db->selectRow( 'page', '*', array( 'page_id' => $id ), __METHOD__ );
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if ( $row !== false ) {
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$title = Title::newFromRow( $row );
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} else {
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$title = null;
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}
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return $title;
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}
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/**
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* Make an array of titles from an array of IDs
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*
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* @param $ids \type{\arrayof{\int}} Array of IDs
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* @return \type{\arrayof{Title}} Array of Titles
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*/
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public static function newFromIDs( $ids ) {
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if ( !count( $ids ) ) {
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return array();
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}
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$dbr = wfGetDB( DB_SLAVE );
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$res = $dbr->select(
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'page',
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array(
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'page_namespace', 'page_title', 'page_id',
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'page_len', 'page_is_redirect', 'page_latest',
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),
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array( 'page_id' => $ids ),
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__METHOD__
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);
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$titles = array();
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foreach ( $res as $row ) {
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$titles[] = Title::newFromRow( $row );
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}
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return $titles;
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}
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/**
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* Make a Title object from a DB row
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*
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* @param $row \type{Row} (needs at least page_title,page_namespace)
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* @return \type{Title} corresponding Title
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*/
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public static function newFromRow( $row ) {
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$t = self::makeTitle( $row->page_namespace, $row->page_title );
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$t->mArticleID = isset( $row->page_id ) ? intval( $row->page_id ) : -1;
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$t->mLength = isset( $row->page_len ) ? intval( $row->page_len ) : -1;
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$t->mRedirect = isset( $row->page_is_redirect ) ? (bool)$row->page_is_redirect : null;
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$t->mLatestID = isset( $row->page_latest ) ? intval( $row->page_latest ) : false;
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return $t;
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}
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/**
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* Create a new Title from a namespace index and a DB key.
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* It's assumed that $ns and $title are *valid*, for instance when
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* they came directly from the database or a special page name.
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* For convenience, spaces are converted to underscores so that
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* eg user_text fields can be used directly.
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*
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* @param $ns \type{\int} the namespace of the article
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* @param $title \type{\string} the unprefixed database key form
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* @param $fragment \type{\string} The link fragment (after the "#")
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* @param $interwiki \type{\string} The interwiki prefix
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* @return \type{Title} the new object
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*/
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public static function &makeTitle( $ns, $title, $fragment = '', $interwiki = '' ) {
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$t = new Title();
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$t->mInterwiki = $interwiki;
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$t->mFragment = $fragment;
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$t->mNamespace = $ns = intval( $ns );
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$t->mDbkeyform = str_replace( ' ', '_', $title );
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$t->mArticleID = ( $ns >= 0 ) ? -1 : 0;
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$t->mUrlform = wfUrlencode( $t->mDbkeyform );
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$t->mTextform = str_replace( '_', ' ', $title );
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return $t;
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}
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/**
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* Create a new Title from a namespace index and a DB key.
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* The parameters will be checked for validity, which is a bit slower
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* than makeTitle() but safer for user-provided data.
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*
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* @param $ns \type{\int} the namespace of the article
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* @param $title \type{\string} the database key form
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* @param $fragment \type{\string} The link fragment (after the "#")
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* @param $interwiki \type{\string} The interwiki prefix
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* @return \type{Title} the new object, or NULL on an error
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*/
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public static function makeTitleSafe( $ns, $title, $fragment = '', $interwiki = '' ) {
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$t = new Title();
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$t->mDbkeyform = Title::makeName( $ns, $title, $fragment, $interwiki );
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if ( $t->secureAndSplit() ) {
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return $t;
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} else {
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return null;
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}
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}
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/**
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* Create a new Title for the Main Page
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*
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* @return \type{Title} the new object
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*/
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public static function newMainPage() {
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$title = Title::newFromText( wfMsgForContent( 'mainpage' ) );
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// Don't give fatal errors if the message is broken
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if ( !$title ) {
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$title = Title::newFromText( 'Main Page' );
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}
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return $title;
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}
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/**
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* Extract a redirect destination from a string and return the
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* Title, or null if the text doesn't contain a valid redirect
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* This will only return the very next target, useful for
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* the redirect table and other checks that don't need full recursion
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*
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* @param $text \type{\string} Text with possible redirect
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* @return \type{Title} The corresponding Title
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*/
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public static function newFromRedirect( $text ) {
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return self::newFromRedirectInternal( $text );
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}
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/**
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* Extract a redirect destination from a string and return the
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* Title, or null if the text doesn't contain a valid redirect
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* This will recurse down $wgMaxRedirects times or until a non-redirect target is hit
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* in order to provide (hopefully) the Title of the final destination instead of another redirect
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*
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* @param $text \type{\string} Text with possible redirect
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* @return \type{Title} The corresponding Title
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*/
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public static function newFromRedirectRecurse( $text ) {
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$titles = self::newFromRedirectArray( $text );
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return $titles ? array_pop( $titles ) : null;
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}
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/**
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* Extract a redirect destination from a string and return an
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* array of Titles, or null if the text doesn't contain a valid redirect
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* The last element in the array is the final destination after all redirects
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* have been resolved (up to $wgMaxRedirects times)
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*
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* @param $text \type{\string} Text with possible redirect
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* @return \type{\array} Array of Titles, with the destination last
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*/
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public static function newFromRedirectArray( $text ) {
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global $wgMaxRedirects;
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// are redirects disabled?
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if ( $wgMaxRedirects < 1 ) {
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return null;
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}
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$title = self::newFromRedirectInternal( $text );
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if ( is_null( $title ) ) {
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return null;
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}
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// recursive check to follow double redirects
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$recurse = $wgMaxRedirects;
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$titles = array( $title );
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while ( --$recurse > 0 ) {
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if ( $title->isRedirect() ) {
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$article = new Article( $title, 0 );
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$newtitle = $article->getRedirectTarget();
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} else {
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break;
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}
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// Redirects to some special pages are not permitted
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if ( $newtitle instanceOf Title && $newtitle->isValidRedirectTarget() ) {
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// the new title passes the checks, so make that our current title so that further recursion can be checked
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$title = $newtitle;
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$titles[] = $newtitle;
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} else {
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break;
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}
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}
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return $titles;
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}
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/**
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* Really extract the redirect destination
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* Do not call this function directly, use one of the newFromRedirect* functions above
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*
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* @param $text \type{\string} Text with possible redirect
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* @return \type{Title} The corresponding Title
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*/
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protected static function newFromRedirectInternal( $text ) {
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$redir = MagicWord::get( 'redirect' );
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$text = trim( $text );
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if ( $redir->matchStartAndRemove( $text ) ) {
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// Extract the first link and see if it's usable
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// Ensure that it really does come directly after #REDIRECT
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// Some older redirects included a colon, so don't freak about that!
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$m = array();
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if ( preg_match( '!^\s*:?\s*\[{2}(.*?)(?:\|.*?)?\]{2}!', $text, $m ) ) {
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// Strip preceding colon used to "escape" categories, etc.
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// and URL-decode links
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if ( strpos( $m[1], '%' ) !== false ) {
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// Match behavior of inline link parsing here;
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// don't interpret + as " " most of the time!
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// It might be safe to just use rawurldecode instead, though.
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$m[1] = urldecode( ltrim( $m[1], ':' ) );
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}
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$title = Title::newFromText( $m[1] );
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// If the title is a redirect to bad special pages or is invalid, return null
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if ( !$title instanceof Title || !$title->isValidRedirectTarget() ) {
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return null;
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}
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return $title;
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}
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}
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return null;
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}
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# ----------------------------------------------------------------------------
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# Static functions
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# ----------------------------------------------------------------------------
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/**
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* Get the prefixed DB key associated with an ID
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*
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* @param $id \type{\int} the page_id of the article
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* @return \type{Title} an object representing the article, or NULL
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* if no such article was found
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*/
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public static function nameOf( $id ) {
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$dbr = wfGetDB( DB_SLAVE );
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$s = $dbr->selectRow(
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'page',
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array( 'page_namespace', 'page_title' ),
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array( 'page_id' => $id ),
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__METHOD__
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);
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if ( $s === false ) {
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return null;
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}
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$n = self::makeName( $s->page_namespace, $s->page_title );
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return $n;
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}
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/**
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* Get a regex character class describing the legal characters in a link
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*
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* @return \type{\string} the list of characters, not delimited
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*/
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public static function legalChars() {
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global $wgLegalTitleChars;
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return $wgLegalTitleChars;
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}
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/**
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* Get a string representation of a title suitable for
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* including in a search index
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*
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* @param $ns \type{\int} a namespace index
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* @param $title \type{\string} text-form main part
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* @return \type{\string} a stripped-down title string ready for the
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* search index
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*/
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public static function indexTitle( $ns, $title ) {
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global $wgContLang;
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$lc = SearchEngine::legalSearchChars() . '&#;';
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$t = $wgContLang->normalizeForSearch( $title );
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$t = preg_replace( "/[^{$lc}]+/", ' ', $t );
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$t = $wgContLang->lc( $t );
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# Handle 's, s'
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$t = preg_replace( "/([{$lc}]+)'s( |$)/", "\\1 \\1's ", $t );
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$t = preg_replace( "/([{$lc}]+)s'( |$)/", "\\1s ", $t );
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$t = preg_replace( "/\\s+/", ' ', $t );
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if ( $ns == NS_FILE ) {
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$t = preg_replace( "/ (png|gif|jpg|jpeg|ogg)$/", "", $t );
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}
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return trim( $t );
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}
|
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|
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/**
|
|
* Make a prefixed DB key from a DB key and a namespace index
|
|
*
|
|
* @param $ns \type{\int} numerical representation of the namespace
|
|
* @param $title \type{\string} the DB key form the title
|
|
* @param $fragment \type{\string} The link fragment (after the "#")
|
|
* @param $interwiki \type{\string} The interwiki prefix
|
|
* @return \type{\string} the prefixed form of the title
|
|
*/
|
|
public static function makeName( $ns, $title, $fragment = '', $interwiki = '' ) {
|
|
global $wgContLang;
|
|
|
|
$namespace = $wgContLang->getNsText( $ns );
|
|
$name = $namespace == '' ? $title : "$namespace:$title";
|
|
if ( strval( $interwiki ) != '' ) {
|
|
$name = "$interwiki:$name";
|
|
}
|
|
if ( strval( $fragment ) != '' ) {
|
|
$name .= '#' . $fragment;
|
|
}
|
|
return $name;
|
|
}
|
|
|
|
/**
|
|
* Determine whether the object refers to a page within
|
|
* this project.
|
|
*
|
|
* @return \type{\bool} TRUE if this is an in-project interwiki link
|
|
* or a wikilink, FALSE otherwise
|
|
*/
|
|
public function isLocal() {
|
|
if ( $this->mInterwiki != '' ) {
|
|
return Interwiki::fetch( $this->mInterwiki )->isLocal();
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determine whether the object refers to a page within
|
|
* this project and is transcludable.
|
|
*
|
|
* @return \type{\bool} TRUE if this is transcludable
|
|
*/
|
|
public function isTrans() {
|
|
if ( $this->mInterwiki == '' ) {
|
|
return false;
|
|
}
|
|
|
|
return Interwiki::fetch( $this->mInterwiki )->isTranscludable();
|
|
}
|
|
|
|
/**
|
|
* Returns the DB name of the distant wiki
|
|
* which owns the object.
|
|
*
|
|
* @return \type{\string} the DB name
|
|
*/
|
|
public function getTransWikiID() {
|
|
if ( $this->mInterwiki == '' ) {
|
|
return false;
|
|
}
|
|
|
|
return Interwiki::fetch( $this->mInterwiki )->getWikiID();
|
|
}
|
|
|
|
/**
|
|
* Escape a text fragment, say from a link, for a URL
|
|
*
|
|
* @param $fragment string containing a URL or link fragment (after the "#")
|
|
* @return String: escaped string
|
|
*/
|
|
static function escapeFragmentForURL( $fragment ) {
|
|
# Note that we don't urlencode the fragment. urlencoded Unicode
|
|
# fragments appear not to work in IE (at least up to 7) or in at least
|
|
# one version of Opera 9.x. The W3C validator, for one, doesn't seem
|
|
# to care if they aren't encoded.
|
|
return Sanitizer::escapeId( $fragment, 'noninitial' );
|
|
}
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# Other stuff
|
|
# ----------------------------------------------------------------------------
|
|
|
|
/** Simple accessors */
|
|
/**
|
|
* Get the text form (spaces not underscores) of the main part
|
|
*
|
|
* @return \type{\string} Main part of the title
|
|
*/
|
|
public function getText() { return $this->mTextform; }
|
|
|
|
/**
|
|
* Get the URL-encoded form of the main part
|
|
*
|
|
* @return \type{\string} Main part of the title, URL-encoded
|
|
*/
|
|
public function getPartialURL() { return $this->mUrlform; }
|
|
|
|
/**
|
|
* Get the main part with underscores
|
|
*
|
|
* @return \type{\string} Main part of the title, with underscores
|
|
*/
|
|
public function getDBkey() { return $this->mDbkeyform; }
|
|
|
|
/**
|
|
* Get the namespace index, i.e.\ one of the NS_xxxx constants.
|
|
*
|
|
* @return \type{\int} Namespace index
|
|
*/
|
|
public function getNamespace() { return $this->mNamespace; }
|
|
|
|
/**
|
|
* Get the namespace text
|
|
*
|
|
* @return \type{\string} Namespace text
|
|
*/
|
|
public function getNsText() {
|
|
global $wgContLang;
|
|
|
|
if ( $this->mInterwiki != '' ) {
|
|
// This probably shouldn't even happen. ohh man, oh yuck.
|
|
// But for interwiki transclusion it sometimes does.
|
|
// Shit. Shit shit shit.
|
|
//
|
|
// Use the canonical namespaces if possible to try to
|
|
// resolve a foreign namespace.
|
|
if ( MWNamespace::exists( $this->mNamespace ) ) {
|
|
return MWNamespace::getCanonicalName( $this->mNamespace );
|
|
}
|
|
}
|
|
return $wgContLang->getNsText( $this->mNamespace );
|
|
}
|
|
|
|
/**
|
|
* Get the DB key with the initial letter case as specified by the user
|
|
*
|
|
* @return \type{\string} DB key
|
|
*/
|
|
function getUserCaseDBKey() {
|
|
return $this->mUserCaseDBKey;
|
|
}
|
|
|
|
/**
|
|
* Get the namespace text of the subject (rather than talk) page
|
|
*
|
|
* @return \type{\string} Namespace text
|
|
*/
|
|
public function getSubjectNsText() {
|
|
global $wgContLang;
|
|
return $wgContLang->getNsText( MWNamespace::getSubject( $this->mNamespace ) );
|
|
}
|
|
|
|
/**
|
|
* Get the namespace text of the talk page
|
|
*
|
|
* @return \type{\string} Namespace text
|
|
*/
|
|
public function getTalkNsText() {
|
|
global $wgContLang;
|
|
return( $wgContLang->getNsText( MWNamespace::getTalk( $this->mNamespace ) ) );
|
|
}
|
|
|
|
/**
|
|
* Could this title have a corresponding talk page?
|
|
*
|
|
* @return \type{\bool} TRUE or FALSE
|
|
*/
|
|
public function canTalk() {
|
|
return( MWNamespace::canTalk( $this->mNamespace ) );
|
|
}
|
|
|
|
/**
|
|
* Get the interwiki prefix (or null string)
|
|
*
|
|
* @return \type{\string} Interwiki prefix
|
|
*/
|
|
public function getInterwiki() { return $this->mInterwiki; }
|
|
|
|
/**
|
|
* Get the Title fragment (i.e.\ the bit after the #) in text form
|
|
*
|
|
* @return \type{\string} Title fragment
|
|
*/
|
|
public function getFragment() { return $this->mFragment; }
|
|
|
|
/**
|
|
* Get the fragment in URL form, including the "#" character if there is one
|
|
* @return \type{\string} Fragment in URL form
|
|
*/
|
|
public function getFragmentForURL() {
|
|
if ( $this->mFragment == '' ) {
|
|
return '';
|
|
} else {
|
|
return '#' . Title::escapeFragmentForURL( $this->mFragment );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the default namespace index, for when there is no namespace
|
|
*
|
|
* @return \type{\int} Default namespace index
|
|
*/
|
|
public function getDefaultNamespace() { return $this->mDefaultNamespace; }
|
|
|
|
/**
|
|
* Get title for search index
|
|
*
|
|
* @return \type{\string} a stripped-down title string ready for the
|
|
* search index
|
|
*/
|
|
public function getIndexTitle() {
|
|
return Title::indexTitle( $this->mNamespace, $this->mTextform );
|
|
}
|
|
|
|
/**
|
|
* Get the prefixed database key form
|
|
*
|
|
* @return \type{\string} the prefixed title, with underscores and
|
|
* any interwiki and namespace prefixes
|
|
*/
|
|
public function getPrefixedDBkey() {
|
|
$s = $this->prefix( $this->mDbkeyform );
|
|
$s = str_replace( ' ', '_', $s );
|
|
return $s;
|
|
}
|
|
|
|
/**
|
|
* Get the prefixed title with spaces.
|
|
* This is the form usually used for display
|
|
*
|
|
* @return \type{\string} the prefixed title, with spaces
|
|
*/
|
|
public function getPrefixedText() {
|
|
if ( empty( $this->mPrefixedText ) ) { // FIXME: bad usage of empty() ?
|
|
$s = $this->prefix( $this->mTextform );
|
|
$s = str_replace( '_', ' ', $s );
|
|
$this->mPrefixedText = $s;
|
|
}
|
|
return $this->mPrefixedText;
|
|
}
|
|
|
|
/**
|
|
* Get the prefixed title with spaces, plus any fragment
|
|
* (part beginning with '#')
|
|
*
|
|
* @return \type{\string} the prefixed title, with spaces and
|
|
* the fragment, including '#'
|
|
*/
|
|
public function getFullText() {
|
|
$text = $this->getPrefixedText();
|
|
if ( $this->mFragment != '' ) {
|
|
$text .= '#' . $this->mFragment;
|
|
}
|
|
return $text;
|
|
}
|
|
|
|
/**
|
|
* Get the base name, i.e. the leftmost parts before the /
|
|
*
|
|
* @return \type{\string} Base name
|
|
*/
|
|
public function getBaseText() {
|
|
if ( !MWNamespace::hasSubpages( $this->mNamespace ) ) {
|
|
return $this->getText();
|
|
}
|
|
|
|
$parts = explode( '/', $this->getText() );
|
|
# Don't discard the real title if there's no subpage involved
|
|
if ( count( $parts ) > 1 ) {
|
|
unset( $parts[count( $parts ) - 1] );
|
|
}
|
|
return implode( '/', $parts );
|
|
}
|
|
|
|
/**
|
|
* Get the lowest-level subpage name, i.e. the rightmost part after /
|
|
*
|
|
* @return \type{\string} Subpage name
|
|
*/
|
|
public function getSubpageText() {
|
|
if ( !MWNamespace::hasSubpages( $this->mNamespace ) ) {
|
|
return( $this->mTextform );
|
|
}
|
|
$parts = explode( '/', $this->mTextform );
|
|
return( $parts[count( $parts ) - 1] );
|
|
}
|
|
|
|
/**
|
|
* Get a URL-encoded form of the subpage text
|
|
*
|
|
* @return \type{\string} URL-encoded subpage name
|
|
*/
|
|
public function getSubpageUrlForm() {
|
|
$text = $this->getSubpageText();
|
|
$text = wfUrlencode( str_replace( ' ', '_', $text ) );
|
|
return( $text );
|
|
}
|
|
|
|
/**
|
|
* Get a URL-encoded title (not an actual URL) including interwiki
|
|
*
|
|
* @return \type{\string} the URL-encoded form
|
|
*/
|
|
public function getPrefixedURL() {
|
|
$s = $this->prefix( $this->mDbkeyform );
|
|
$s = wfUrlencode( str_replace( ' ', '_', $s ) );
|
|
return $s;
|
|
}
|
|
|
|
/**
|
|
* Get a real URL referring to this title, with interwiki link and
|
|
* fragment
|
|
*
|
|
* @param $query \twotypes{\string,\array} an optional query string, not used for interwiki
|
|
* links. Can be specified as an associative array as well, e.g.,
|
|
* array( 'action' => 'edit' ) (keys and values will be URL-escaped).
|
|
* @param $variant \type{\string} language variant of url (for sr, zh..)
|
|
* @return \type{\string} the URL
|
|
*/
|
|
public function getFullURL( $query = '', $variant = false ) {
|
|
global $wgServer, $wgRequest;
|
|
|
|
if ( is_array( $query ) ) {
|
|
$query = wfArrayToCGI( $query );
|
|
}
|
|
|
|
$interwiki = Interwiki::fetch( $this->mInterwiki );
|
|
if ( !$interwiki ) {
|
|
$url = $this->getLocalURL( $query, $variant );
|
|
|
|
// Ugly quick hack to avoid duplicate prefixes (bug 4571 etc)
|
|
// Correct fix would be to move the prepending elsewhere.
|
|
if ( $wgRequest->getVal( 'action' ) != 'render' ) {
|
|
$url = $wgServer . $url;
|
|
}
|
|
} else {
|
|
$baseUrl = $interwiki->getURL();
|
|
|
|
$namespace = wfUrlencode( $this->getNsText() );
|
|
if ( $namespace != '' ) {
|
|
# Can this actually happen? Interwikis shouldn't be parsed.
|
|
# Yes! It can in interwiki transclusion. But... it probably shouldn't.
|
|
$namespace .= ':';
|
|
}
|
|
$url = str_replace( '$1', $namespace . $this->mUrlform, $baseUrl );
|
|
$url = wfAppendQuery( $url, $query );
|
|
}
|
|
|
|
# Finally, add the fragment.
|
|
$url .= $this->getFragmentForURL();
|
|
|
|
wfRunHooks( 'GetFullURL', array( &$this, &$url, $query ) );
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Get a URL with no fragment or server name. If this page is generated
|
|
* with action=render, $wgServer is prepended.
|
|
*
|
|
* @param $query Mixed: an optional query string; if not specified,
|
|
* $wgArticlePath will be used. Can be specified as an associative array
|
|
* as well, e.g., array( 'action' => 'edit' ) (keys and values will be
|
|
* URL-escaped).
|
|
* @param $variant \type{\string} language variant of url (for sr, zh..)
|
|
* @return \type{\string} the URL
|
|
*/
|
|
public function getLocalURL( $query = '', $variant = false ) {
|
|
global $wgArticlePath, $wgScript, $wgServer, $wgRequest;
|
|
global $wgVariantArticlePath, $wgContLang, $wgUser;
|
|
|
|
if ( is_array( $query ) ) {
|
|
$query = wfArrayToCGI( $query );
|
|
}
|
|
|
|
// internal links should point to same variant as current page (only anonymous users)
|
|
if ( !$variant && $wgContLang->hasVariants() && !$wgUser->isLoggedIn() ) {
|
|
$pref = $wgContLang->getPreferredVariant( false );
|
|
if ( $pref != $wgContLang->getCode() ) {
|
|
$variant = $pref;
|
|
}
|
|
}
|
|
|
|
if ( $this->isExternal() ) {
|
|
$url = $this->getFullURL();
|
|
if ( $query ) {
|
|
// This is currently only used for edit section links in the
|
|
// context of interwiki transclusion. In theory we should
|
|
// append the query to the end of any existing query string,
|
|
// but interwiki transclusion is already broken in that case.
|
|
$url .= "?$query";
|
|
}
|
|
} else {
|
|
$dbkey = wfUrlencode( $this->getPrefixedDBkey() );
|
|
if ( $query == '' ) {
|
|
if ( $variant != false && $wgContLang->hasVariants() ) {
|
|
if ( !$wgVariantArticlePath ) {
|
|
$variantArticlePath = "$wgScript?title=$1&variant=$2"; // default
|
|
} else {
|
|
$variantArticlePath = $wgVariantArticlePath;
|
|
}
|
|
$url = str_replace( '$2', urlencode( $variant ), $variantArticlePath );
|
|
$url = str_replace( '$1', $dbkey, $url );
|
|
} else {
|
|
$url = str_replace( '$1', $dbkey, $wgArticlePath );
|
|
}
|
|
} else {
|
|
global $wgActionPaths;
|
|
$url = false;
|
|
$matches = array();
|
|
if ( !empty( $wgActionPaths ) &&
|
|
preg_match( '/^(.*&|)action=([^&]*)(&(.*)|)$/', $query, $matches ) )
|
|
{
|
|
$action = urldecode( $matches[2] );
|
|
if ( isset( $wgActionPaths[$action] ) ) {
|
|
$query = $matches[1];
|
|
if ( isset( $matches[4] ) ) {
|
|
$query .= $matches[4];
|
|
}
|
|
$url = str_replace( '$1', $dbkey, $wgActionPaths[$action] );
|
|
if ( $query != '' ) {
|
|
$url = wfAppendQuery( $url, $query );
|
|
}
|
|
}
|
|
}
|
|
if ( $url === false ) {
|
|
if ( $query == '-' ) {
|
|
$query = '';
|
|
}
|
|
$url = "{$wgScript}?title={$dbkey}&{$query}";
|
|
}
|
|
}
|
|
|
|
// FIXME: this causes breakage in various places when we
|
|
// actually expected a local URL and end up with dupe prefixes.
|
|
if ( $wgRequest->getVal( 'action' ) == 'render' ) {
|
|
$url = $wgServer . $url;
|
|
}
|
|
}
|
|
wfRunHooks( 'GetLocalURL', array( &$this, &$url, $query ) );
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Get a URL that's the simplest URL that will be valid to link, locally,
|
|
* to the current Title. It includes the fragment, but does not include
|
|
* the server unless action=render is used (or the link is external). If
|
|
* there's a fragment but the prefixed text is empty, we just return a link
|
|
* to the fragment.
|
|
*
|
|
* The result obviously should not be URL-escaped, but does need to be
|
|
* HTML-escaped if it's being output in HTML.
|
|
*
|
|
* @param $query \type{\arrayof{\string}} An associative array of key => value pairs for the
|
|
* query string. Keys and values will be escaped.
|
|
* @param $variant \type{\string} Language variant of URL (for sr, zh..). Ignored
|
|
* for external links. Default is "false" (same variant as current page,
|
|
* for anonymous users).
|
|
* @return \type{\string} the URL
|
|
*/
|
|
public function getLinkUrl( $query = array(), $variant = false ) {
|
|
wfProfileIn( __METHOD__ );
|
|
if ( $this->isExternal() ) {
|
|
$ret = $this->getFullURL( $query );
|
|
} elseif ( $this->getPrefixedText() === '' && $this->getFragment() !== '' ) {
|
|
$ret = $this->getFragmentForURL();
|
|
} else {
|
|
$ret = $this->getLocalURL( $query, $variant ) . $this->getFragmentForURL();
|
|
}
|
|
wfProfileOut( __METHOD__ );
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Get an HTML-escaped version of the URL form, suitable for
|
|
* using in a link, without a server name or fragment
|
|
*
|
|
* @param $query \type{\string} an optional query string
|
|
* @return \type{\string} the URL
|
|
*/
|
|
public function escapeLocalURL( $query = '' ) {
|
|
return htmlspecialchars( $this->getLocalURL( $query ) );
|
|
}
|
|
|
|
/**
|
|
* Get an HTML-escaped version of the URL form, suitable for
|
|
* using in a link, including the server name and fragment
|
|
*
|
|
* @param $query \type{\string} an optional query string
|
|
* @return \type{\string} the URL
|
|
*/
|
|
public function escapeFullURL( $query = '' ) {
|
|
return htmlspecialchars( $this->getFullURL( $query ) );
|
|
}
|
|
|
|
/**
|
|
* Get the URL form for an internal link.
|
|
* - Used in various Squid-related code, in case we have a different
|
|
* internal hostname for the server from the exposed one.
|
|
*
|
|
* @param $query \type{\string} an optional query string
|
|
* @param $variant \type{\string} language variant of url (for sr, zh..)
|
|
* @return \type{\string} the URL
|
|
*/
|
|
public function getInternalURL( $query = '', $variant = false ) {
|
|
global $wgInternalServer;
|
|
$url = $wgInternalServer . $this->getLocalURL( $query, $variant );
|
|
wfRunHooks( 'GetInternalURL', array( &$this, &$url, $query ) );
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Get the edit URL for this Title
|
|
*
|
|
* @return \type{\string} the URL, or a null string if this is an
|
|
* interwiki link
|
|
*/
|
|
public function getEditURL() {
|
|
if ( $this->mInterwiki != '' ) {
|
|
return '';
|
|
}
|
|
$s = $this->getLocalURL( 'action=edit' );
|
|
|
|
return $s;
|
|
}
|
|
|
|
/**
|
|
* Get the HTML-escaped displayable text form.
|
|
* Used for the title field in <a> tags.
|
|
*
|
|
* @return \type{\string} the text, including any prefixes
|
|
*/
|
|
public function getEscapedText() {
|
|
return htmlspecialchars( $this->getPrefixedText() );
|
|
}
|
|
|
|
/**
|
|
* Is this Title interwiki?
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isExternal() {
|
|
return ( $this->mInterwiki != '' );
|
|
}
|
|
|
|
/**
|
|
* Is this page "semi-protected" - the *only* protection is autoconfirm?
|
|
*
|
|
* @param $action \type{\string} Action to check (default: edit)
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isSemiProtected( $action = 'edit' ) {
|
|
if ( $this->exists() ) {
|
|
$restrictions = $this->getRestrictions( $action );
|
|
if ( count( $restrictions ) > 0 ) {
|
|
foreach ( $restrictions as $restriction ) {
|
|
if ( strtolower( $restriction ) != 'autoconfirmed' ) {
|
|
return false;
|
|
}
|
|
}
|
|
} else {
|
|
# Not protected
|
|
return false;
|
|
}
|
|
return true;
|
|
} else {
|
|
# If it doesn't exist, it can't be protected
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Does the title correspond to a protected article?
|
|
*
|
|
* @param $action \type{\string} the action the page is protected from,
|
|
* by default checks all actions.
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isProtected( $action = '' ) {
|
|
global $wgRestrictionLevels;
|
|
|
|
$restrictionTypes = $this->getRestrictionTypes();
|
|
|
|
# Special pages have inherent protection
|
|
if( $this->getNamespace() == NS_SPECIAL ) {
|
|
return true;
|
|
}
|
|
|
|
# Check regular protection levels
|
|
foreach ( $restrictionTypes as $type ) {
|
|
if ( $action == $type || $action == '' ) {
|
|
$r = $this->getRestrictions( $type );
|
|
foreach ( $wgRestrictionLevels as $level ) {
|
|
if ( in_array( $level, $r ) && $level != '' ) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Is this a conversion table for the LanguageConverter?
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isConversionTable() {
|
|
if(
|
|
$this->getNamespace() == NS_MEDIAWIKI &&
|
|
strpos( $this->getText(), 'Conversiontable' ) !== false
|
|
)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Is $wgUser watching this page?
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function userIsWatching() {
|
|
global $wgUser;
|
|
|
|
if ( is_null( $this->mWatched ) ) {
|
|
if ( NS_SPECIAL == $this->mNamespace || !$wgUser->isLoggedIn() ) {
|
|
$this->mWatched = false;
|
|
} else {
|
|
$this->mWatched = $wgUser->isWatched( $this );
|
|
}
|
|
}
|
|
return $this->mWatched;
|
|
}
|
|
|
|
/**
|
|
* Can $wgUser perform $action on this page?
|
|
* This skips potentially expensive cascading permission checks
|
|
* as well as avoids expensive error formatting
|
|
*
|
|
* Suitable for use for nonessential UI controls in common cases, but
|
|
* _not_ for functional access control.
|
|
*
|
|
* May provide false positives, but should never provide a false negative.
|
|
*
|
|
* @param $action \type{\string} action that permission needs to be checked for
|
|
* @return \type{\bool}
|
|
*/
|
|
public function quickUserCan( $action ) {
|
|
return $this->userCan( $action, false );
|
|
}
|
|
|
|
/**
|
|
* Determines if $wgUser is unable to edit this page because it has been protected
|
|
* by $wgNamespaceProtection.
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isNamespaceProtected() {
|
|
global $wgNamespaceProtection, $wgUser;
|
|
if ( isset( $wgNamespaceProtection[$this->mNamespace] ) ) {
|
|
foreach ( (array)$wgNamespaceProtection[$this->mNamespace] as $right ) {
|
|
if ( $right != '' && !$wgUser->isAllowed( $right ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Can $wgUser perform $action on this page?
|
|
*
|
|
* @param $action \type{\string} action that permission needs to be checked for
|
|
* @param $doExpensiveQueries \type{\bool} Set this to false to avoid doing unnecessary queries.
|
|
* @return \type{\bool}
|
|
*/
|
|
public function userCan( $action, $doExpensiveQueries = true ) {
|
|
global $wgUser;
|
|
return ( $this->getUserPermissionsErrorsInternal( $action, $wgUser, $doExpensiveQueries, true ) === array() );
|
|
}
|
|
|
|
/**
|
|
* Can $user perform $action on this page?
|
|
*
|
|
* FIXME: This *does not* check throttles (User::pingLimiter()).
|
|
*
|
|
* @param $action \type{\string}action that permission needs to be checked for
|
|
* @param $user \type{User} user to check
|
|
* @param $doExpensiveQueries \type{\bool} Set this to false to avoid doing unnecessary queries.
|
|
* @param $ignoreErrors \type{\arrayof{\string}} Set this to a list of message keys whose corresponding errors may be ignored.
|
|
* @return \type{\array} Array of arrays of the arguments to wfMsg to explain permissions problems.
|
|
*/
|
|
public function getUserPermissionsErrors( $action, $user, $doExpensiveQueries = true, $ignoreErrors = array() ) {
|
|
if ( !StubObject::isRealObject( $user ) ) {
|
|
// Since StubObject is always used on globals, we can
|
|
// unstub $wgUser here and set $user = $wgUser
|
|
global $wgUser;
|
|
$wgUser->_unstub( '', 5 );
|
|
$user = $wgUser;
|
|
}
|
|
|
|
$errors = $this->getUserPermissionsErrorsInternal( $action, $user, $doExpensiveQueries );
|
|
|
|
// Remove the errors being ignored.
|
|
foreach ( $errors as $index => $error ) {
|
|
$error_key = is_array( $error ) ? $error[0] : $error;
|
|
|
|
if ( in_array( $error_key, $ignoreErrors ) ) {
|
|
unset( $errors[$index] );
|
|
}
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Permissions checks that fail most often, and which are easiest to test.
|
|
*
|
|
* @param $action String the action to check
|
|
* @param $user User user to check
|
|
* @param $errors Array list of current errors
|
|
* @param $doExpensiveQueries Boolean whether or not to perform expensive queries
|
|
* @param $short Boolean short circuit on first error
|
|
*
|
|
* @return Array list of errors
|
|
*/
|
|
private function checkQuickPermissions( $action, $user, $errors, $doExpensiveQueries, $short ) {
|
|
if ( $action == 'create' ) {
|
|
if ( ( $this->isTalkPage() && !$user->isAllowed( 'createtalk' ) ) ||
|
|
( !$this->isTalkPage() && !$user->isAllowed( 'createpage' ) ) ) {
|
|
$errors[] = $user->isAnon() ? array( 'nocreatetext' ) : array( 'nocreate-loggedin' );
|
|
}
|
|
} elseif ( $action == 'move' ) {
|
|
if ( !$user->isAllowed( 'move-rootuserpages' )
|
|
&& $this->mNamespace == NS_USER && !$this->isSubpage() ) {
|
|
// Show user page-specific message only if the user can move other pages
|
|
$errors[] = array( 'cant-move-user-page' );
|
|
}
|
|
|
|
// Check if user is allowed to move files if it's a file
|
|
if ( $this->mNamespace == NS_FILE && !$user->isAllowed( 'movefile' ) ) {
|
|
$errors[] = array( 'movenotallowedfile' );
|
|
}
|
|
|
|
if ( !$user->isAllowed( 'move' ) ) {
|
|
// User can't move anything
|
|
global $wgGroupPermissions;
|
|
$userCanMove = false;
|
|
if ( isset( $wgGroupPermissions['user']['move'] ) ) {
|
|
$userCanMove = $wgGroupPermissions['user']['move'];
|
|
}
|
|
$autoconfirmedCanMove = false;
|
|
if ( isset( $wgGroupPermissions['autoconfirmed']['move'] ) ) {
|
|
$autoconfirmedCanMove = $wgGroupPermissions['autoconfirmed']['move'];
|
|
}
|
|
if ( $user->isAnon() && ( $userCanMove || $autoconfirmedCanMove ) ) {
|
|
// custom message if logged-in users without any special rights can move
|
|
$errors[] = array( 'movenologintext' );
|
|
} else {
|
|
$errors[] = array( 'movenotallowed' );
|
|
}
|
|
}
|
|
} elseif ( $action == 'move-target' ) {
|
|
if ( !$user->isAllowed( 'move' ) ) {
|
|
// User can't move anything
|
|
$errors[] = array( 'movenotallowed' );
|
|
} elseif ( !$user->isAllowed( 'move-rootuserpages' )
|
|
&& $this->mNamespace == NS_USER && !$this->isSubpage() ) {
|
|
// Show user page-specific message only if the user can move other pages
|
|
$errors[] = array( 'cant-move-to-user-page' );
|
|
}
|
|
} elseif ( !$user->isAllowed( $action ) ) {
|
|
$return = null;
|
|
|
|
// We avoid expensive display logic for quickUserCan's and such
|
|
$groups = false;
|
|
if ( !$short ) {
|
|
$groups = array_map( array( 'User', 'makeGroupLinkWiki' ),
|
|
User::getGroupsWithPermission( $action ) );
|
|
}
|
|
|
|
if ( $groups ) {
|
|
global $wgLang;
|
|
$return = array(
|
|
'badaccess-groups',
|
|
$wgLang->commaList( $groups ),
|
|
count( $groups )
|
|
);
|
|
} else {
|
|
$return = array( 'badaccess-group0' );
|
|
}
|
|
$errors[] = $return;
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Add the resulting error code to the errors array
|
|
*
|
|
* @param $errors Array list of current errors
|
|
* @param $result Mixed result of errors
|
|
*
|
|
* @return Array list of errors
|
|
*/
|
|
private function resultToError( $errors, $result ) {
|
|
if ( is_array( $result ) && count( $result ) && !is_array( $result[0] ) ) {
|
|
// A single array representing an error
|
|
$errors[] = $result;
|
|
} else if ( is_array( $result ) && is_array( $result[0] ) ) {
|
|
// A nested array representing multiple errors
|
|
$errors = array_merge( $errors, $result );
|
|
} else if ( $result !== '' && is_string( $result ) ) {
|
|
// A string representing a message-id
|
|
$errors[] = array( $result );
|
|
} else if ( $result === false ) {
|
|
// a generic "We don't want them to do that"
|
|
$errors[] = array( 'badaccess-group0' );
|
|
}
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Check various permission hooks
|
|
* @see checkQuickPermissions for parameter information
|
|
*/
|
|
private function checkPermissionHooks( $action, $user, $errors, $doExpensiveQueries, $short ) {
|
|
// Use getUserPermissionsErrors instead
|
|
if ( !wfRunHooks( 'userCan', array( &$this, &$user, $action, &$result ) ) ) {
|
|
return $result ? array() : array( array( 'badaccess-group0' ) );
|
|
}
|
|
// Check getUserPermissionsErrors hook
|
|
if ( !wfRunHooks( 'getUserPermissionsErrors', array( &$this, &$user, $action, &$result ) ) ) {
|
|
$errors = $this->resultToError( $errors, $result );
|
|
}
|
|
// Check getUserPermissionsErrorsExpensive hook
|
|
if ( $doExpensiveQueries && !( $short && count( $errors ) > 0 ) &&
|
|
!wfRunHooks( 'getUserPermissionsErrorsExpensive', array( &$this, &$user, $action, &$result ) ) ) {
|
|
$errors = $this->resultToError( $errors, $result );
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Check permissions on special pages & namespaces
|
|
* @see checkQuickPermissions for parameter information
|
|
*/
|
|
private function checkSpecialsAndNSPermissions( $action, $user, $errors, $doExpensiveQueries, $short ) {
|
|
# Only 'createaccount' and 'execute' can be performed on
|
|
# special pages, which don't actually exist in the DB.
|
|
$specialOKActions = array( 'createaccount', 'execute' );
|
|
if ( NS_SPECIAL == $this->mNamespace && !in_array( $action, $specialOKActions ) ) {
|
|
$errors[] = array( 'ns-specialprotected' );
|
|
}
|
|
|
|
# Check $wgNamespaceProtection for restricted namespaces
|
|
if ( $this->isNamespaceProtected() ) {
|
|
$ns = $this->mNamespace == NS_MAIN ?
|
|
wfMsg( 'nstab-main' ) : $this->getNsText();
|
|
$errors[] = $this->mNamespace == NS_MEDIAWIKI ?
|
|
array( 'protectedinterface' ) : array( 'namespaceprotected', $ns );
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Check CSS/JS sub-page permissions
|
|
* @see checkQuickPermissions for parameter information
|
|
*/
|
|
private function checkCSSandJSPermissions( $action, $user, $errors, $doExpensiveQueries, $short ) {
|
|
# Protect css/js subpages of user pages
|
|
# XXX: this might be better using restrictions
|
|
# XXX: Find a way to work around the php bug that prevents using $this->userCanEditCssSubpage()
|
|
# and $this->userCanEditJsSubpage() from working
|
|
# XXX: right 'editusercssjs' is deprecated, for backward compatibility only
|
|
if ( $action != 'patrol' && !$user->isAllowed( 'editusercssjs' )
|
|
&& !preg_match( '/^' . preg_quote( $user->getName(), '/' ) . '\//', $this->mTextform ) ) {
|
|
if ( $this->isCssSubpage() && !$user->isAllowed( 'editusercss' ) ) {
|
|
$errors[] = array( 'customcssjsprotected' );
|
|
} else if ( $this->isJsSubpage() && !$user->isAllowed( 'edituserjs' ) ) {
|
|
$errors[] = array( 'customcssjsprotected' );
|
|
}
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Check against page_restrictions table requirements on this
|
|
* page. The user must possess all required rights for this
|
|
* action.
|
|
* @see checkQuickPermissions for parameter information
|
|
*/
|
|
private function checkPageRestrictions( $action, $user, $errors, $doExpensiveQueries, $short ) {
|
|
foreach ( $this->getRestrictions( $action ) as $right ) {
|
|
// Backwards compatibility, rewrite sysop -> protect
|
|
if ( $right == 'sysop' ) {
|
|
$right = 'protect';
|
|
}
|
|
if ( $right != '' && !$user->isAllowed( $right ) ) {
|
|
// Users with 'editprotected' permission can edit protected pages
|
|
if ( $action == 'edit' && $user->isAllowed( 'editprotected' ) ) {
|
|
// Users with 'editprotected' permission cannot edit protected pages
|
|
// with cascading option turned on.
|
|
if ( $this->mCascadeRestriction ) {
|
|
$errors[] = array( 'protectedpagetext', $right );
|
|
}
|
|
} else {
|
|
$errors[] = array( 'protectedpagetext', $right );
|
|
}
|
|
}
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Check restrictions on cascading pages.
|
|
* @see checkQuickPermissions for parameter information
|
|
*/
|
|
private function checkCascadingSourcesRestrictions( $action, $user, $errors, $doExpensiveQueries, $short ) {
|
|
if ( $doExpensiveQueries && !$this->isCssJsSubpage() ) {
|
|
# We /could/ use the protection level on the source page, but it's
|
|
# fairly ugly as we have to establish a precedence hierarchy for pages
|
|
# included by multiple cascade-protected pages. So just restrict
|
|
# it to people with 'protect' permission, as they could remove the
|
|
# protection anyway.
|
|
list( $cascadingSources, $restrictions ) = $this->getCascadeProtectionSources();
|
|
# Cascading protection depends on more than this page...
|
|
# Several cascading protected pages may include this page...
|
|
# Check each cascading level
|
|
# This is only for protection restrictions, not for all actions
|
|
if ( isset( $restrictions[$action] ) ) {
|
|
foreach ( $restrictions[$action] as $right ) {
|
|
$right = ( $right == 'sysop' ) ? 'protect' : $right;
|
|
if ( $right != '' && !$user->isAllowed( $right ) ) {
|
|
$pages = '';
|
|
foreach ( $cascadingSources as $page )
|
|
$pages .= '* [[:' . $page->getPrefixedText() . "]]\n";
|
|
$errors[] = array( 'cascadeprotected', count( $cascadingSources ), $pages );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Check action permissions not already checked in checkQuickPermissions
|
|
* @see checkQuickPermissions for parameter information
|
|
*/
|
|
private function checkActionPermissions( $action, $user, $errors, $doExpensiveQueries, $short ) {
|
|
if ( $action == 'protect' ) {
|
|
if ( $this->getUserPermissionsErrors( 'edit', $user ) != array() ) {
|
|
// If they can't edit, they shouldn't protect.
|
|
$errors[] = array( 'protect-cantedit' );
|
|
}
|
|
} elseif ( $action == 'create' ) {
|
|
$title_protection = $this->getTitleProtection();
|
|
if( $title_protection ) {
|
|
if( $title_protection['pt_create_perm'] == 'sysop' ) {
|
|
$title_protection['pt_create_perm'] = 'protect'; // B/C
|
|
}
|
|
if( $title_protection['pt_create_perm'] == '' || !$user->isAllowed( $title_protection['pt_create_perm'] ) ) {
|
|
$errors[] = array( 'titleprotected', User::whoIs( $title_protection['pt_user'] ), $title_protection['pt_reason'] );
|
|
}
|
|
}
|
|
} elseif ( $action == 'move' ) {
|
|
// Check for immobile pages
|
|
if ( !MWNamespace::isMovable( $this->mNamespace ) ) {
|
|
// Specific message for this case
|
|
$errors[] = array( 'immobile-source-namespace', $this->getNsText() );
|
|
} elseif ( !$this->isMovable() ) {
|
|
// Less specific message for rarer cases
|
|
$errors[] = array( 'immobile-page' );
|
|
}
|
|
} elseif ( $action == 'move-target' ) {
|
|
if ( !MWNamespace::isMovable( $this->mNamespace ) ) {
|
|
$errors[] = array( 'immobile-target-namespace', $this->getNsText() );
|
|
} elseif ( !$this->isMovable() ) {
|
|
$errors[] = array( 'immobile-target-page' );
|
|
}
|
|
}
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Check that the user isn't blocked from editting.
|
|
* @see checkQuickPermissions for parameter information
|
|
*/
|
|
private function checkUserBlock( $action, $user, $errors, $doExpensiveQueries, $short ) {
|
|
if( $short ) {
|
|
return $errors;
|
|
}
|
|
|
|
global $wgContLang, $wgLang, $wgEmailConfirmToEdit;
|
|
|
|
if ( $wgEmailConfirmToEdit && !$user->isEmailConfirmed() && $action != 'createaccount' ) {
|
|
$errors[] = array( 'confirmedittext' );
|
|
}
|
|
|
|
// Edit blocks should not affect reading. Account creation blocks handled at userlogin.
|
|
if ( $action != 'read' && $action != 'createaccount' && $user->isBlockedFrom( $this ) ) {
|
|
$block = $user->mBlock;
|
|
|
|
// This is from OutputPage::blockedPage
|
|
// Copied at r23888 by werdna
|
|
|
|
$id = $user->blockedBy();
|
|
$reason = $user->blockedFor();
|
|
if ( $reason == '' ) {
|
|
$reason = wfMsg( 'blockednoreason' );
|
|
}
|
|
$ip = wfGetIP();
|
|
|
|
if ( is_numeric( $id ) ) {
|
|
$name = User::whoIs( $id );
|
|
} else {
|
|
$name = $id;
|
|
}
|
|
|
|
$link = '[[' . $wgContLang->getNsText( NS_USER ) . ":{$name}|{$name}]]";
|
|
$blockid = $block->mId;
|
|
$blockExpiry = $user->mBlock->mExpiry;
|
|
$blockTimestamp = $wgLang->timeanddate( wfTimestamp( TS_MW, $user->mBlock->mTimestamp ), true );
|
|
if ( $blockExpiry == 'infinity' ) {
|
|
// Entry in database (table ipblocks) is 'infinity' but 'ipboptions' uses 'infinite' or 'indefinite'
|
|
$scBlockExpiryOptions = wfMsg( 'ipboptions' );
|
|
|
|
foreach ( explode( ',', $scBlockExpiryOptions ) as $option ) {
|
|
if ( !strpos( $option, ':' ) )
|
|
continue;
|
|
|
|
list( $show, $value ) = explode( ':', $option );
|
|
|
|
if ( $value == 'infinite' || $value == 'indefinite' ) {
|
|
$blockExpiry = $show;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
$blockExpiry = $wgLang->timeanddate( wfTimestamp( TS_MW, $blockExpiry ), true );
|
|
}
|
|
|
|
$intended = $user->mBlock->mAddress;
|
|
|
|
$errors[] = array( ( $block->mAuto ? 'autoblockedtext' : 'blockedtext' ), $link, $reason, $ip, $name,
|
|
$blockid, $blockExpiry, $intended, $blockTimestamp );
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Can $user perform $action on this page? This is an internal function,
|
|
* which checks ONLY that previously checked by userCan (i.e. it leaves out
|
|
* checks on wfReadOnly() and blocks)
|
|
*
|
|
* @param $action \type{\string} action that permission needs to be checked for
|
|
* @param $user \type{User} user to check
|
|
* @param $doExpensiveQueries \type{\bool} Set this to false to avoid doing unnecessary queries.
|
|
* @param $short \type{\bool} Set this to true to stop after the first permission error.
|
|
* @return \type{\array} Array of arrays of the arguments to wfMsg to explain permissions problems.
|
|
*/
|
|
protected function getUserPermissionsErrorsInternal( $action, $user, $doExpensiveQueries = true, $short = false ) {
|
|
wfProfileIn( __METHOD__ );
|
|
|
|
$errors = array();
|
|
$checks = array(
|
|
'checkQuickPermissions',
|
|
'checkPermissionHooks',
|
|
'checkSpecialsAndNSPermissions',
|
|
'checkCSSandJSPermissions',
|
|
'checkPageRestrictions',
|
|
'checkCascadingSourcesRestrictions',
|
|
'checkActionPermissions',
|
|
'checkUserBlock'
|
|
);
|
|
|
|
while( count( $checks ) > 0 &&
|
|
!( $short && count( $errors ) > 0 ) ) {
|
|
$method = array_shift( $checks );
|
|
$errors = $this->$method( $action, $user, $errors, $doExpensiveQueries, $short );
|
|
}
|
|
|
|
wfProfileOut( __METHOD__ );
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Is this title subject to title protection?
|
|
*
|
|
* @return \type{\mixed} An associative array representing any existent title
|
|
* protection, or false if there's none.
|
|
*/
|
|
private function getTitleProtection() {
|
|
// Can't protect pages in special namespaces
|
|
if ( $this->getNamespace() < 0 ) {
|
|
return false;
|
|
}
|
|
|
|
// Can't protect pages that exist.
|
|
if ( $this->exists() ) {
|
|
return false;
|
|
}
|
|
|
|
if ( !isset( $this->mTitleProtection ) ) {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$res = $dbr->select( 'protected_titles', '*',
|
|
array( 'pt_namespace' => $this->getNamespace(), 'pt_title' => $this->getDBkey() ),
|
|
__METHOD__ );
|
|
|
|
// fetchRow returns false if there are no rows.
|
|
$this->mTitleProtection = $dbr->fetchRow( $res );
|
|
}
|
|
return $this->mTitleProtection;
|
|
}
|
|
|
|
/**
|
|
* Update the title protection status
|
|
*
|
|
* @param $create_perm \type{\string} Permission required for creation
|
|
* @param $reason \type{\string} Reason for protection
|
|
* @param $expiry \type{\string} Expiry timestamp
|
|
* @return boolean true
|
|
*/
|
|
public function updateTitleProtection( $create_perm, $reason, $expiry ) {
|
|
global $wgUser, $wgContLang;
|
|
|
|
if ( $create_perm == implode( ',', $this->getRestrictions( 'create' ) )
|
|
&& $expiry == $this->mRestrictionsExpiry['create'] ) {
|
|
// No change
|
|
return true;
|
|
}
|
|
|
|
list ( $namespace, $title ) = array( $this->getNamespace(), $this->getDBkey() );
|
|
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
|
|
$encodedExpiry = Block::encodeExpiry( $expiry, $dbw );
|
|
|
|
$expiry_description = '';
|
|
if ( $encodedExpiry != 'infinity' ) {
|
|
$expiry_description = ' (' . wfMsgForContent( 'protect-expiring', $wgContLang->timeanddate( $expiry ),
|
|
$wgContLang->date( $expiry ) , $wgContLang->time( $expiry ) ) . ')';
|
|
} else {
|
|
$expiry_description .= ' (' . wfMsgForContent( 'protect-expiry-indefinite' ) . ')';
|
|
}
|
|
|
|
# Update protection table
|
|
if ( $create_perm != '' ) {
|
|
$dbw->replace( 'protected_titles', array( array( 'pt_namespace', 'pt_title' ) ),
|
|
array(
|
|
'pt_namespace' => $namespace,
|
|
'pt_title' => $title,
|
|
'pt_create_perm' => $create_perm,
|
|
'pt_timestamp' => Block::encodeExpiry( wfTimestampNow(), $dbw ),
|
|
'pt_expiry' => $encodedExpiry,
|
|
'pt_user' => $wgUser->getId(),
|
|
'pt_reason' => $reason,
|
|
), __METHOD__
|
|
);
|
|
} else {
|
|
$dbw->delete( 'protected_titles', array( 'pt_namespace' => $namespace,
|
|
'pt_title' => $title ), __METHOD__ );
|
|
}
|
|
# Update the protection log
|
|
if ( $dbw->affectedRows() ) {
|
|
$log = new LogPage( 'protect' );
|
|
|
|
if ( $create_perm ) {
|
|
$params = array( "[create=$create_perm] $expiry_description", '' );
|
|
$log->addEntry( ( isset( $this->mRestrictions['create'] ) && $this->mRestrictions['create'] ) ? 'modify' : 'protect', $this, trim( $reason ), $params );
|
|
} else {
|
|
$log->addEntry( 'unprotect', $this, $reason );
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Remove any title protection due to page existing
|
|
*/
|
|
public function deleteTitleProtection() {
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
|
|
$dbw->delete(
|
|
'protected_titles',
|
|
array( 'pt_namespace' => $this->getNamespace(), 'pt_title' => $this->getDBkey() ),
|
|
__METHOD__
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Would anybody with sufficient privileges be able to move this page?
|
|
* Some pages just aren't movable.
|
|
*
|
|
* @return \type{\bool} TRUE or FALSE
|
|
*/
|
|
public function isMovable() {
|
|
return MWNamespace::isMovable( $this->getNamespace() ) && $this->getInterwiki() == '';
|
|
}
|
|
|
|
/**
|
|
* Can $wgUser read this page?
|
|
*
|
|
* @return \type{\bool}
|
|
* @todo fold these checks into userCan()
|
|
*/
|
|
public function userCanRead() {
|
|
global $wgUser, $wgGroupPermissions;
|
|
|
|
static $useShortcut = null;
|
|
|
|
# Initialize the $useShortcut boolean, to determine if we can skip quite a bit of code below
|
|
if ( is_null( $useShortcut ) ) {
|
|
global $wgRevokePermissions;
|
|
$useShortcut = true;
|
|
if ( empty( $wgGroupPermissions['*']['read'] ) ) {
|
|
# Not a public wiki, so no shortcut
|
|
$useShortcut = false;
|
|
} elseif ( !empty( $wgRevokePermissions ) ) {
|
|
/*
|
|
* Iterate through each group with permissions being revoked (key not included since we don't care
|
|
* what the group name is), then check if the read permission is being revoked. If it is, then
|
|
* we don't use the shortcut below since the user might not be able to read, even though anon
|
|
* reading is allowed.
|
|
*/
|
|
foreach ( $wgRevokePermissions as $perms ) {
|
|
if ( !empty( $perms['read'] ) ) {
|
|
# We might be removing the read right from the user, so no shortcut
|
|
$useShortcut = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$result = null;
|
|
wfRunHooks( 'userCan', array( &$this, &$wgUser, 'read', &$result ) );
|
|
if ( $result !== null ) {
|
|
return $result;
|
|
}
|
|
|
|
# Shortcut for public wikis, allows skipping quite a bit of code
|
|
if ( $useShortcut ) {
|
|
return true;
|
|
}
|
|
|
|
if ( $wgUser->isAllowed( 'read' ) ) {
|
|
return true;
|
|
} else {
|
|
global $wgWhitelistRead;
|
|
|
|
/**
|
|
* Always grant access to the login page.
|
|
* Even anons need to be able to log in.
|
|
*/
|
|
if ( $this->isSpecial( 'Userlogin' ) || $this->isSpecial( 'Resetpass' ) ) {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Bail out if there isn't whitelist
|
|
*/
|
|
if ( !is_array( $wgWhitelistRead ) ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check for explicit whitelisting
|
|
*/
|
|
$name = $this->getPrefixedText();
|
|
$dbName = $this->getPrefixedDBKey();
|
|
// Check with and without underscores
|
|
if ( in_array( $name, $wgWhitelistRead, true ) || in_array( $dbName, $wgWhitelistRead, true ) )
|
|
return true;
|
|
|
|
/**
|
|
* Old settings might have the title prefixed with
|
|
* a colon for main-namespace pages
|
|
*/
|
|
if ( $this->getNamespace() == NS_MAIN ) {
|
|
if ( in_array( ':' . $name, $wgWhitelistRead ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* If it's a special page, ditch the subpage bit
|
|
* and check again
|
|
*/
|
|
if ( $this->getNamespace() == NS_SPECIAL ) {
|
|
$name = $this->getDBkey();
|
|
list( $name, /* $subpage */ ) = SpecialPage::resolveAliasWithSubpage( $name );
|
|
if ( $name === false ) {
|
|
# Invalid special page, but we show standard login required message
|
|
return false;
|
|
}
|
|
|
|
$pure = SpecialPage::getTitleFor( $name )->getPrefixedText();
|
|
if ( in_array( $pure, $wgWhitelistRead, true ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Is this a talk page of some sort?
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isTalkPage() {
|
|
return MWNamespace::isTalk( $this->getNamespace() );
|
|
}
|
|
|
|
/**
|
|
* Is this a subpage?
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isSubpage() {
|
|
return MWNamespace::hasSubpages( $this->mNamespace )
|
|
? strpos( $this->getText(), '/' ) !== false
|
|
: false;
|
|
}
|
|
|
|
/**
|
|
* Does this have subpages? (Warning, usually requires an extra DB query.)
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function hasSubpages() {
|
|
if ( !MWNamespace::hasSubpages( $this->mNamespace ) ) {
|
|
# Duh
|
|
return false;
|
|
}
|
|
|
|
# We dynamically add a member variable for the purpose of this method
|
|
# alone to cache the result. There's no point in having it hanging
|
|
# around uninitialized in every Title object; therefore we only add it
|
|
# if needed and don't declare it statically.
|
|
if ( isset( $this->mHasSubpages ) ) {
|
|
return $this->mHasSubpages;
|
|
}
|
|
|
|
$subpages = $this->getSubpages( 1 );
|
|
if ( $subpages instanceof TitleArray ) {
|
|
return $this->mHasSubpages = (bool)$subpages->count();
|
|
}
|
|
return $this->mHasSubpages = false;
|
|
}
|
|
|
|
/**
|
|
* Get all subpages of this page.
|
|
*
|
|
* @param $limit Maximum number of subpages to fetch; -1 for no limit
|
|
* @return mixed TitleArray, or empty array if this page's namespace
|
|
* doesn't allow subpages
|
|
*/
|
|
public function getSubpages( $limit = -1 ) {
|
|
if ( !MWNamespace::hasSubpages( $this->getNamespace() ) ) {
|
|
return array();
|
|
}
|
|
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$conds['page_namespace'] = $this->getNamespace();
|
|
$conds[] = 'page_title ' . $dbr->buildLike( $this->getDBkey() . '/', $dbr->anyString() );
|
|
$options = array();
|
|
if ( $limit > -1 ) {
|
|
$options['LIMIT'] = $limit;
|
|
}
|
|
return $this->mSubpages = TitleArray::newFromResult(
|
|
$dbr->select( 'page',
|
|
array( 'page_id', 'page_namespace', 'page_title', 'page_is_redirect' ),
|
|
$conds,
|
|
__METHOD__,
|
|
$options
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Could this page contain custom CSS or JavaScript, based
|
|
* on the title?
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isCssOrJsPage() {
|
|
return $this->mNamespace == NS_MEDIAWIKI
|
|
&& preg_match( '!\.(?:css|js)$!u', $this->mTextform ) > 0;
|
|
}
|
|
|
|
/**
|
|
* Is this a .css or .js subpage of a user page?
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isCssJsSubpage() {
|
|
return ( NS_USER == $this->mNamespace and preg_match( "/\\/.*\\.(?:css|js)$/", $this->mTextform ) );
|
|
}
|
|
|
|
/**
|
|
* Is this a *valid* .css or .js subpage of a user page?
|
|
* Check that the corresponding skin exists
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isValidCssJsSubpage() {
|
|
if ( $this->isCssJsSubpage() ) {
|
|
$name = $this->getSkinFromCssJsSubpage();
|
|
if ( $name == 'common' ) {
|
|
return true;
|
|
}
|
|
$skinNames = Skin::getSkinNames();
|
|
return array_key_exists( $name, $skinNames );
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Trim down a .css or .js subpage title to get the corresponding skin name
|
|
*
|
|
* @return string containing skin name from .css or .js subpage title
|
|
*/
|
|
public function getSkinFromCssJsSubpage() {
|
|
$subpage = explode( '/', $this->mTextform );
|
|
$subpage = $subpage[ count( $subpage ) - 1 ];
|
|
return( str_replace( array( '.css', '.js' ), array( '', '' ), $subpage ) );
|
|
}
|
|
|
|
/**
|
|
* Is this a .css subpage of a user page?
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isCssSubpage() {
|
|
return ( NS_USER == $this->mNamespace && preg_match( "/\\/.*\\.css$/", $this->mTextform ) );
|
|
}
|
|
|
|
/**
|
|
* Is this a .js subpage of a user page?
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isJsSubpage() {
|
|
return ( NS_USER == $this->mNamespace && preg_match( "/\\/.*\\.js$/", $this->mTextform ) );
|
|
}
|
|
|
|
/**
|
|
* Protect css subpages of user pages: can $wgUser edit
|
|
* this page?
|
|
*
|
|
* @return \type{\bool}
|
|
* @todo XXX: this might be better using restrictions
|
|
*/
|
|
public function userCanEditCssSubpage() {
|
|
global $wgUser;
|
|
return ( ( $wgUser->isAllowed( 'editusercssjs' ) && $wgUser->isAllowed( 'editusercss' ) )
|
|
|| preg_match( '/^' . preg_quote( $wgUser->getName(), '/' ) . '\//', $this->mTextform ) );
|
|
}
|
|
|
|
/**
|
|
* Protect js subpages of user pages: can $wgUser edit
|
|
* this page?
|
|
*
|
|
* @return \type{\bool}
|
|
* @todo XXX: this might be better using restrictions
|
|
*/
|
|
public function userCanEditJsSubpage() {
|
|
global $wgUser;
|
|
return ( ( $wgUser->isAllowed( 'editusercssjs' ) && $wgUser->isAllowed( 'edituserjs' ) )
|
|
|| preg_match( '/^' . preg_quote( $wgUser->getName(), '/' ) . '\//', $this->mTextform ) );
|
|
}
|
|
|
|
/**
|
|
* Cascading protection: Return true if cascading restrictions apply to this page, false if not.
|
|
*
|
|
* @return \type{\bool} If the page is subject to cascading restrictions.
|
|
*/
|
|
public function isCascadeProtected() {
|
|
list( $sources, /* $restrictions */ ) = $this->getCascadeProtectionSources( false );
|
|
return ( $sources > 0 );
|
|
}
|
|
|
|
/**
|
|
* Cascading protection: Get the source of any cascading restrictions on this page.
|
|
*
|
|
* @param $getPages \type{\bool} Whether or not to retrieve the actual pages
|
|
* that the restrictions have come from.
|
|
* @return \type{\arrayof{mixed title array, restriction array}} Array of the Title
|
|
* objects of the pages from which cascading restrictions have come,
|
|
* false for none, or true if such restrictions exist, but $getPages was not set.
|
|
* The restriction array is an array of each type, each of which contains a
|
|
* array of unique groups.
|
|
*/
|
|
public function getCascadeProtectionSources( $getPages = true ) {
|
|
$pagerestrictions = array();
|
|
|
|
if ( isset( $this->mCascadeSources ) && $getPages ) {
|
|
return array( $this->mCascadeSources, $this->mCascadingRestrictions );
|
|
} else if ( isset( $this->mHasCascadingRestrictions ) && !$getPages ) {
|
|
return array( $this->mHasCascadingRestrictions, $pagerestrictions );
|
|
}
|
|
|
|
wfProfileIn( __METHOD__ );
|
|
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
|
|
if ( $this->getNamespace() == NS_FILE ) {
|
|
$tables = array( 'imagelinks', 'page_restrictions' );
|
|
$where_clauses = array(
|
|
'il_to' => $this->getDBkey(),
|
|
'il_from=pr_page',
|
|
'pr_cascade' => 1
|
|
);
|
|
} else {
|
|
$tables = array( 'templatelinks', 'page_restrictions' );
|
|
$where_clauses = array(
|
|
'tl_namespace' => $this->getNamespace(),
|
|
'tl_title' => $this->getDBkey(),
|
|
'tl_from=pr_page',
|
|
'pr_cascade' => 1
|
|
);
|
|
}
|
|
|
|
if ( $getPages ) {
|
|
$cols = array( 'pr_page', 'page_namespace', 'page_title',
|
|
'pr_expiry', 'pr_type', 'pr_level' );
|
|
$where_clauses[] = 'page_id=pr_page';
|
|
$tables[] = 'page';
|
|
} else {
|
|
$cols = array( 'pr_expiry' );
|
|
}
|
|
|
|
$res = $dbr->select( $tables, $cols, $where_clauses, __METHOD__ );
|
|
|
|
$sources = $getPages ? array() : false;
|
|
$now = wfTimestampNow();
|
|
$purgeExpired = false;
|
|
|
|
foreach ( $res as $row ) {
|
|
$expiry = Block::decodeExpiry( $row->pr_expiry );
|
|
if ( $expiry > $now ) {
|
|
if ( $getPages ) {
|
|
$page_id = $row->pr_page;
|
|
$page_ns = $row->page_namespace;
|
|
$page_title = $row->page_title;
|
|
$sources[$page_id] = Title::makeTitle( $page_ns, $page_title );
|
|
# Add groups needed for each restriction type if its not already there
|
|
# Make sure this restriction type still exists
|
|
|
|
if ( !isset( $pagerestrictions[$row->pr_type] ) ) {
|
|
$pagerestrictions[$row->pr_type] = array();
|
|
}
|
|
|
|
if ( isset( $pagerestrictions[$row->pr_type] ) &&
|
|
!in_array( $row->pr_level, $pagerestrictions[$row->pr_type] ) ) {
|
|
$pagerestrictions[$row->pr_type][] = $row->pr_level;
|
|
}
|
|
} else {
|
|
$sources = true;
|
|
}
|
|
} else {
|
|
// Trigger lazy purge of expired restrictions from the db
|
|
$purgeExpired = true;
|
|
}
|
|
}
|
|
if ( $purgeExpired ) {
|
|
Title::purgeExpiredRestrictions();
|
|
}
|
|
|
|
wfProfileOut( __METHOD__ );
|
|
|
|
if ( $getPages ) {
|
|
$this->mCascadeSources = $sources;
|
|
$this->mCascadingRestrictions = $pagerestrictions;
|
|
} else {
|
|
$this->mHasCascadingRestrictions = $sources;
|
|
}
|
|
|
|
return array( $sources, $pagerestrictions );
|
|
}
|
|
|
|
/**
|
|
* Returns cascading restrictions for the current article
|
|
*
|
|
* @return Boolean
|
|
*/
|
|
function areRestrictionsCascading() {
|
|
if ( !$this->mRestrictionsLoaded ) {
|
|
$this->loadRestrictions();
|
|
}
|
|
|
|
return $this->mCascadeRestriction;
|
|
}
|
|
|
|
/**
|
|
* Loads a string into mRestrictions array
|
|
*
|
|
* @param $res \type{Resource} restrictions as an SQL result.
|
|
* @param $oldFashionedRestrictions string comma-separated list of page
|
|
* restrictions from page table (pre 1.10)
|
|
*/
|
|
private function loadRestrictionsFromResultWrapper( $res, $oldFashionedRestrictions = null ) {
|
|
$rows = array();
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
|
|
while ( $row = $dbr->fetchObject( $res ) ) {
|
|
$rows[] = $row;
|
|
}
|
|
|
|
$this->loadRestrictionsFromRows( $rows, $oldFashionedRestrictions );
|
|
}
|
|
|
|
/**
|
|
* Compiles list of active page restrictions from both page table (pre 1.10)
|
|
* and page_restrictions table
|
|
*
|
|
* @param $rows array of db result objects
|
|
* @param $oldFashionedRestrictions string comma-separated list of page
|
|
* restrictions from page table (pre 1.10)
|
|
*/
|
|
public function loadRestrictionsFromRows( $rows, $oldFashionedRestrictions = null ) {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
|
|
$restrictionTypes = $this->getRestrictionTypes();
|
|
|
|
foreach ( $restrictionTypes as $type ) {
|
|
$this->mRestrictions[$type] = array();
|
|
$this->mRestrictionsExpiry[$type] = Block::decodeExpiry( '' );
|
|
}
|
|
|
|
$this->mCascadeRestriction = false;
|
|
|
|
# Backwards-compatibility: also load the restrictions from the page record (old format).
|
|
|
|
if ( $oldFashionedRestrictions === null ) {
|
|
$oldFashionedRestrictions = $dbr->selectField( 'page', 'page_restrictions',
|
|
array( 'page_id' => $this->getArticleId() ), __METHOD__ );
|
|
}
|
|
|
|
if ( $oldFashionedRestrictions != '' ) {
|
|
|
|
foreach ( explode( ':', trim( $oldFashionedRestrictions ) ) as $restrict ) {
|
|
$temp = explode( '=', trim( $restrict ) );
|
|
if ( count( $temp ) == 1 ) {
|
|
// old old format should be treated as edit/move restriction
|
|
$this->mRestrictions['edit'] = explode( ',', trim( $temp[0] ) );
|
|
$this->mRestrictions['move'] = explode( ',', trim( $temp[0] ) );
|
|
} else {
|
|
$this->mRestrictions[$temp[0]] = explode( ',', trim( $temp[1] ) );
|
|
}
|
|
}
|
|
|
|
$this->mOldRestrictions = true;
|
|
|
|
}
|
|
|
|
if ( count( $rows ) ) {
|
|
# Current system - load second to make them override.
|
|
$now = wfTimestampNow();
|
|
$purgeExpired = false;
|
|
|
|
foreach ( $rows as $row ) {
|
|
# Cycle through all the restrictions.
|
|
|
|
// Don't take care of restrictions types that aren't allowed
|
|
|
|
if ( !in_array( $row->pr_type, $restrictionTypes ) )
|
|
continue;
|
|
|
|
// This code should be refactored, now that it's being used more generally,
|
|
// But I don't really see any harm in leaving it in Block for now -werdna
|
|
$expiry = Block::decodeExpiry( $row->pr_expiry );
|
|
|
|
// Only apply the restrictions if they haven't expired!
|
|
if ( !$expiry || $expiry > $now ) {
|
|
$this->mRestrictionsExpiry[$row->pr_type] = $expiry;
|
|
$this->mRestrictions[$row->pr_type] = explode( ',', trim( $row->pr_level ) );
|
|
|
|
$this->mCascadeRestriction |= $row->pr_cascade;
|
|
} else {
|
|
// Trigger a lazy purge of expired restrictions
|
|
$purgeExpired = true;
|
|
}
|
|
}
|
|
|
|
if ( $purgeExpired ) {
|
|
Title::purgeExpiredRestrictions();
|
|
}
|
|
}
|
|
|
|
$this->mRestrictionsLoaded = true;
|
|
}
|
|
|
|
/**
|
|
* Load restrictions from the page_restrictions table
|
|
*
|
|
* @param $oldFashionedRestrictions string comma-separated list of page
|
|
* restrictions from page table (pre 1.10)
|
|
*/
|
|
public function loadRestrictions( $oldFashionedRestrictions = null ) {
|
|
if ( !$this->mRestrictionsLoaded ) {
|
|
if ( $this->exists() ) {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
|
|
$res = $dbr->select( 'page_restrictions', '*',
|
|
array( 'pr_page' => $this->getArticleId() ), __METHOD__ );
|
|
|
|
$this->loadRestrictionsFromResultWrapper( $res, $oldFashionedRestrictions );
|
|
} else {
|
|
$title_protection = $this->getTitleProtection();
|
|
|
|
if ( $title_protection ) {
|
|
$now = wfTimestampNow();
|
|
$expiry = Block::decodeExpiry( $title_protection['pt_expiry'] );
|
|
|
|
if ( !$expiry || $expiry > $now ) {
|
|
// Apply the restrictions
|
|
$this->mRestrictionsExpiry['create'] = $expiry;
|
|
$this->mRestrictions['create'] = explode( ',', trim( $title_protection['pt_create_perm'] ) );
|
|
} else { // Get rid of the old restrictions
|
|
Title::purgeExpiredRestrictions();
|
|
}
|
|
} else {
|
|
$this->mRestrictionsExpiry['create'] = Block::decodeExpiry( '' );
|
|
}
|
|
$this->mRestrictionsLoaded = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Purge expired restrictions from the page_restrictions table
|
|
*/
|
|
static function purgeExpiredRestrictions() {
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
$dbw->delete(
|
|
'page_restrictions',
|
|
array( 'pr_expiry < ' . $dbw->addQuotes( $dbw->timestamp() ) ),
|
|
__METHOD__
|
|
);
|
|
|
|
$dbw->delete(
|
|
'protected_titles',
|
|
array( 'pt_expiry < ' . $dbw->addQuotes( $dbw->timestamp() ) ),
|
|
__METHOD__
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Accessor/initialisation for mRestrictions
|
|
*
|
|
* @param $action \type{\string} action that permission needs to be checked for
|
|
* @return \type{\arrayof{\string}} the array of groups allowed to edit this article
|
|
*/
|
|
public function getRestrictions( $action ) {
|
|
if ( !$this->mRestrictionsLoaded ) {
|
|
$this->loadRestrictions();
|
|
}
|
|
return isset( $this->mRestrictions[$action] )
|
|
? $this->mRestrictions[$action]
|
|
: array();
|
|
}
|
|
|
|
/**
|
|
* Get the expiry time for the restriction against a given action
|
|
*
|
|
* @return 14-char timestamp, or 'infinity' if the page is protected forever
|
|
* or not protected at all, or false if the action is not recognised.
|
|
*/
|
|
public function getRestrictionExpiry( $action ) {
|
|
if ( !$this->mRestrictionsLoaded ) {
|
|
$this->loadRestrictions();
|
|
}
|
|
return isset( $this->mRestrictionsExpiry[$action] ) ? $this->mRestrictionsExpiry[$action] : false;
|
|
}
|
|
|
|
/**
|
|
* Is there a version of this page in the deletion archive?
|
|
*
|
|
* @return \type{\int} the number of archived revisions
|
|
*/
|
|
public function isDeleted() {
|
|
if ( $this->getNamespace() < 0 ) {
|
|
$n = 0;
|
|
} else {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$n = $dbr->selectField( 'archive', 'COUNT(*)',
|
|
array( 'ar_namespace' => $this->getNamespace(), 'ar_title' => $this->getDBkey() ),
|
|
__METHOD__
|
|
);
|
|
if ( $this->getNamespace() == NS_FILE ) {
|
|
$n += $dbr->selectField( 'filearchive', 'COUNT(*)',
|
|
array( 'fa_name' => $this->getDBkey() ),
|
|
__METHOD__
|
|
);
|
|
}
|
|
}
|
|
return (int)$n;
|
|
}
|
|
|
|
/**
|
|
* Is there a version of this page in the deletion archive?
|
|
*
|
|
* @return Boolean
|
|
*/
|
|
public function isDeletedQuick() {
|
|
if ( $this->getNamespace() < 0 ) {
|
|
return false;
|
|
}
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$deleted = (bool)$dbr->selectField( 'archive', '1',
|
|
array( 'ar_namespace' => $this->getNamespace(), 'ar_title' => $this->getDBkey() ),
|
|
__METHOD__
|
|
);
|
|
if ( !$deleted && $this->getNamespace() == NS_FILE ) {
|
|
$deleted = (bool)$dbr->selectField( 'filearchive', '1',
|
|
array( 'fa_name' => $this->getDBkey() ),
|
|
__METHOD__
|
|
);
|
|
}
|
|
return $deleted;
|
|
}
|
|
|
|
/**
|
|
* Get the article ID for this Title from the link cache,
|
|
* adding it if necessary
|
|
*
|
|
* @param $flags \type{\int} a bit field; may be GAID_FOR_UPDATE to select
|
|
* for update
|
|
* @return \type{\int} the ID
|
|
*/
|
|
public function getArticleID( $flags = 0 ) {
|
|
if ( $this->getNamespace() < 0 ) {
|
|
return $this->mArticleID = 0;
|
|
}
|
|
$linkCache = LinkCache::singleton();
|
|
if ( $flags & GAID_FOR_UPDATE ) {
|
|
$oldUpdate = $linkCache->forUpdate( true );
|
|
$linkCache->clearLink( $this );
|
|
$this->mArticleID = $linkCache->addLinkObj( $this );
|
|
$linkCache->forUpdate( $oldUpdate );
|
|
} else {
|
|
if ( -1 == $this->mArticleID ) {
|
|
$this->mArticleID = $linkCache->addLinkObj( $this );
|
|
}
|
|
}
|
|
return $this->mArticleID;
|
|
}
|
|
|
|
/**
|
|
* Is this an article that is a redirect page?
|
|
* Uses link cache, adding it if necessary
|
|
*
|
|
* @param $flags \type{\int} a bit field; may be GAID_FOR_UPDATE to select for update
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isRedirect( $flags = 0 ) {
|
|
if ( !is_null( $this->mRedirect ) ) {
|
|
return $this->mRedirect;
|
|
}
|
|
# Calling getArticleID() loads the field from cache as needed
|
|
if ( !$this->getArticleID( $flags ) ) {
|
|
return $this->mRedirect = false;
|
|
}
|
|
$linkCache = LinkCache::singleton();
|
|
$this->mRedirect = (bool)$linkCache->getGoodLinkFieldObj( $this, 'redirect' );
|
|
|
|
return $this->mRedirect;
|
|
}
|
|
|
|
/**
|
|
* What is the length of this page?
|
|
* Uses link cache, adding it if necessary
|
|
*
|
|
* @param $flags \type{\int} a bit field; may be GAID_FOR_UPDATE to select for update
|
|
* @return \type{\bool}
|
|
*/
|
|
public function getLength( $flags = 0 ) {
|
|
if ( $this->mLength != -1 ) {
|
|
return $this->mLength;
|
|
}
|
|
# Calling getArticleID() loads the field from cache as needed
|
|
if ( !$this->getArticleID( $flags ) ) {
|
|
return $this->mLength = 0;
|
|
}
|
|
$linkCache = LinkCache::singleton();
|
|
$this->mLength = intval( $linkCache->getGoodLinkFieldObj( $this, 'length' ) );
|
|
|
|
return $this->mLength;
|
|
}
|
|
|
|
/**
|
|
* What is the page_latest field for this page?
|
|
*
|
|
* @param $flags \type{\int} a bit field; may be GAID_FOR_UPDATE to select for update
|
|
* @return \type{\int} or 0 if the page doesn't exist
|
|
*/
|
|
public function getLatestRevID( $flags = 0 ) {
|
|
if ( $this->mLatestID !== false ) {
|
|
return intval( $this->mLatestID );
|
|
}
|
|
# Calling getArticleID() loads the field from cache as needed
|
|
if ( !$this->getArticleID( $flags ) ) {
|
|
return $this->mLatestID = 0;
|
|
}
|
|
$linkCache = LinkCache::singleton();
|
|
$this->mLatestID = intval( $linkCache->getGoodLinkFieldObj( $this, 'revision' ) );
|
|
|
|
return $this->mLatestID;
|
|
}
|
|
|
|
/**
|
|
* This clears some fields in this object, and clears any associated
|
|
* keys in the "bad links" section of the link cache.
|
|
*
|
|
* @param $newid \type{\int} the new Article ID
|
|
*/
|
|
public function resetArticleID( $newid ) {
|
|
$linkCache = LinkCache::singleton();
|
|
$linkCache->clearBadLink( $this->getPrefixedDBkey() );
|
|
|
|
if ( $newid === false ) {
|
|
$this->mArticleID = -1;
|
|
} else {
|
|
$this->mArticleID = intval( $newid );
|
|
}
|
|
$this->mRestrictionsLoaded = false;
|
|
$this->mRestrictions = array();
|
|
$this->mRedirect = null;
|
|
$this->mLength = -1;
|
|
$this->mLatestID = false;
|
|
}
|
|
|
|
/**
|
|
* Updates page_touched for this page; called from LinksUpdate.php
|
|
*
|
|
* @return \type{\bool} true if the update succeded
|
|
*/
|
|
public function invalidateCache() {
|
|
if ( wfReadOnly() ) {
|
|
return;
|
|
}
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
$success = $dbw->update(
|
|
'page',
|
|
array( 'page_touched' => $dbw->timestamp() ),
|
|
$this->pageCond(),
|
|
__METHOD__
|
|
);
|
|
HTMLFileCache::clearFileCache( $this );
|
|
return $success;
|
|
}
|
|
|
|
/**
|
|
* Prefix some arbitrary text with the namespace or interwiki prefix
|
|
* of this object
|
|
*
|
|
* @param $name \type{\string} the text
|
|
* @return \type{\string} the prefixed text
|
|
* @private
|
|
*/
|
|
/* private */ function prefix( $name ) {
|
|
$p = '';
|
|
if ( $this->mInterwiki != '' ) {
|
|
$p = $this->mInterwiki . ':';
|
|
}
|
|
if ( 0 != $this->mNamespace ) {
|
|
$p .= $this->getNsText() . ':';
|
|
}
|
|
return $p . $name;
|
|
}
|
|
|
|
/**
|
|
* Returns a simple regex that will match on characters and sequences invalid in titles.
|
|
* Note that this doesn't pick up many things that could be wrong with titles, but that
|
|
* replacing this regex with something valid will make many titles valid.
|
|
*
|
|
* @return string regex string
|
|
*/
|
|
static function getTitleInvalidRegex() {
|
|
static $rxTc = false;
|
|
if ( !$rxTc ) {
|
|
# Matching titles will be held as illegal.
|
|
$rxTc = '/' .
|
|
# Any character not allowed is forbidden...
|
|
'[^' . Title::legalChars() . ']' .
|
|
# URL percent encoding sequences interfere with the ability
|
|
# to round-trip titles -- you can't link to them consistently.
|
|
'|%[0-9A-Fa-f]{2}' .
|
|
# XML/HTML character references produce similar issues.
|
|
'|&[A-Za-z0-9\x80-\xff]+;' .
|
|
'|&#[0-9]+;' .
|
|
'|&#x[0-9A-Fa-f]+;' .
|
|
'/S';
|
|
}
|
|
|
|
return $rxTc;
|
|
}
|
|
|
|
/**
|
|
* Capitalize a text string for a title if it belongs to a namespace that capitalizes
|
|
*
|
|
* @param $text string containing title to capitalize
|
|
* @param $ns int namespace index, defaults to NS_MAIN
|
|
* @return String containing capitalized title
|
|
*/
|
|
public static function capitalize( $text, $ns = NS_MAIN ) {
|
|
global $wgContLang;
|
|
|
|
if ( MWNamespace::isCapitalized( $ns ) ) {
|
|
return $wgContLang->ucfirst( $text );
|
|
} else {
|
|
return $text;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Secure and split - main initialisation function for this object
|
|
*
|
|
* Assumes that mDbkeyform has been set, and is urldecoded
|
|
* and uses underscores, but not otherwise munged. This function
|
|
* removes illegal characters, splits off the interwiki and
|
|
* namespace prefixes, sets the other forms, and canonicalizes
|
|
* everything.
|
|
*
|
|
* @return \type{\bool} true on success
|
|
*/
|
|
private function secureAndSplit() {
|
|
global $wgContLang, $wgLocalInterwiki;
|
|
|
|
# Initialisation
|
|
$rxTc = self::getTitleInvalidRegex();
|
|
|
|
$this->mInterwiki = $this->mFragment = '';
|
|
$this->mNamespace = $this->mDefaultNamespace; # Usually NS_MAIN
|
|
|
|
$dbkey = $this->mDbkeyform;
|
|
|
|
# Strip Unicode bidi override characters.
|
|
# Sometimes they slip into cut-n-pasted page titles, where the
|
|
# override chars get included in list displays.
|
|
$dbkey = preg_replace( '/\xE2\x80[\x8E\x8F\xAA-\xAE]/S', '', $dbkey );
|
|
|
|
# Clean up whitespace
|
|
# Note: use of the /u option on preg_replace here will cause
|
|
# input with invalid UTF-8 sequences to be nullified out in PHP 5.2.x,
|
|
# conveniently disabling them.
|
|
#
|
|
$dbkey = preg_replace( '/[ _\xA0\x{1680}\x{180E}\x{2000}-\x{200A}\x{2028}\x{2029}\x{202F}\x{205F}\x{3000}]+/u', '_', $dbkey );
|
|
$dbkey = trim( $dbkey, '_' );
|
|
|
|
if ( $dbkey == '' ) {
|
|
return false;
|
|
}
|
|
|
|
if ( false !== strpos( $dbkey, UTF8_REPLACEMENT ) ) {
|
|
# Contained illegal UTF-8 sequences or forbidden Unicode chars.
|
|
return false;
|
|
}
|
|
|
|
$this->mDbkeyform = $dbkey;
|
|
|
|
# Initial colon indicates main namespace rather than specified default
|
|
# but should not create invalid {ns,title} pairs such as {0,Project:Foo}
|
|
if ( ':' == $dbkey { 0 } ) {
|
|
$this->mNamespace = NS_MAIN;
|
|
$dbkey = substr( $dbkey, 1 ); # remove the colon but continue processing
|
|
$dbkey = trim( $dbkey, '_' ); # remove any subsequent whitespace
|
|
}
|
|
|
|
# Namespace or interwiki prefix
|
|
$firstPass = true;
|
|
$prefixRegexp = "/^(.+?)_*:_*(.*)$/S";
|
|
do {
|
|
$m = array();
|
|
if ( preg_match( $prefixRegexp, $dbkey, $m ) ) {
|
|
$p = $m[1];
|
|
if ( ( $ns = $wgContLang->getNsIndex( $p ) ) !== false ) {
|
|
# Ordinary namespace
|
|
$dbkey = $m[2];
|
|
$this->mNamespace = $ns;
|
|
# For Talk:X pages, check if X has a "namespace" prefix
|
|
if ( $ns == NS_TALK && preg_match( $prefixRegexp, $dbkey, $x ) ) {
|
|
if ( $wgContLang->getNsIndex( $x[1] ) ) {
|
|
return false; # Disallow Talk:File:x type titles...
|
|
} else if ( Interwiki::isValidInterwiki( $x[1] ) ) {
|
|
return false; # Disallow Talk:Interwiki:x type titles...
|
|
}
|
|
}
|
|
} elseif ( Interwiki::isValidInterwiki( $p ) ) {
|
|
if ( !$firstPass ) {
|
|
# Can't make a local interwiki link to an interwiki link.
|
|
# That's just crazy!
|
|
return false;
|
|
}
|
|
|
|
# Interwiki link
|
|
$dbkey = $m[2];
|
|
$this->mInterwiki = $wgContLang->lc( $p );
|
|
|
|
# Redundant interwiki prefix to the local wiki
|
|
if ( 0 == strcasecmp( $this->mInterwiki, $wgLocalInterwiki ) ) {
|
|
if ( $dbkey == '' ) {
|
|
# Can't have an empty self-link
|
|
return false;
|
|
}
|
|
$this->mInterwiki = '';
|
|
$firstPass = false;
|
|
# Do another namespace split...
|
|
continue;
|
|
}
|
|
|
|
# If there's an initial colon after the interwiki, that also
|
|
# resets the default namespace
|
|
if ( $dbkey !== '' && $dbkey[0] == ':' ) {
|
|
$this->mNamespace = NS_MAIN;
|
|
$dbkey = substr( $dbkey, 1 );
|
|
}
|
|
}
|
|
# If there's no recognized interwiki or namespace,
|
|
# then let the colon expression be part of the title.
|
|
}
|
|
break;
|
|
} while ( true );
|
|
|
|
# We already know that some pages won't be in the database!
|
|
#
|
|
if ( $this->mInterwiki != '' || NS_SPECIAL == $this->mNamespace ) {
|
|
$this->mArticleID = 0;
|
|
}
|
|
$fragment = strstr( $dbkey, '#' );
|
|
if ( false !== $fragment ) {
|
|
$this->setFragment( preg_replace( '/^#_*/', '#', $fragment ) );
|
|
$dbkey = substr( $dbkey, 0, strlen( $dbkey ) - strlen( $fragment ) );
|
|
# remove whitespace again: prevents "Foo_bar_#"
|
|
# becoming "Foo_bar_"
|
|
$dbkey = preg_replace( '/_*$/', '', $dbkey );
|
|
}
|
|
|
|
# Reject illegal characters.
|
|
#
|
|
if ( preg_match( $rxTc, $dbkey ) ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Pages with "/./" or "/../" appearing in the URLs will often be un-
|
|
* reachable due to the way web browsers deal with 'relative' URLs.
|
|
* Also, they conflict with subpage syntax. Forbid them explicitly.
|
|
*/
|
|
if ( strpos( $dbkey, '.' ) !== false &&
|
|
( $dbkey === '.' || $dbkey === '..' ||
|
|
strpos( $dbkey, './' ) === 0 ||
|
|
strpos( $dbkey, '../' ) === 0 ||
|
|
strpos( $dbkey, '/./' ) !== false ||
|
|
strpos( $dbkey, '/../' ) !== false ||
|
|
substr( $dbkey, -2 ) == '/.' ||
|
|
substr( $dbkey, -3 ) == '/..' ) )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Magic tilde sequences? Nu-uh!
|
|
*/
|
|
if ( strpos( $dbkey, '~~~' ) !== false ) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Limit the size of titles to 255 bytes.
|
|
* This is typically the size of the underlying database field.
|
|
* We make an exception for special pages, which don't need to be stored
|
|
* in the database, and may edge over 255 bytes due to subpage syntax
|
|
* for long titles, e.g. [[Special:Block/Long name]]
|
|
*/
|
|
if ( ( $this->mNamespace != NS_SPECIAL && strlen( $dbkey ) > 255 ) ||
|
|
strlen( $dbkey ) > 512 )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Normally, all wiki links are forced to have
|
|
* an initial capital letter so [[foo]] and [[Foo]]
|
|
* point to the same place.
|
|
*
|
|
* Don't force it for interwikis, since the other
|
|
* site might be case-sensitive.
|
|
*/
|
|
$this->mUserCaseDBKey = $dbkey;
|
|
if ( $this->mInterwiki == '' ) {
|
|
$dbkey = self::capitalize( $dbkey, $this->mNamespace );
|
|
}
|
|
|
|
/**
|
|
* Can't make a link to a namespace alone...
|
|
* "empty" local links can only be self-links
|
|
* with a fragment identifier.
|
|
*/
|
|
if ( $dbkey == '' &&
|
|
$this->mInterwiki == '' &&
|
|
$this->mNamespace != NS_MAIN ) {
|
|
return false;
|
|
}
|
|
// Allow IPv6 usernames to start with '::' by canonicalizing IPv6 titles.
|
|
// IP names are not allowed for accounts, and can only be referring to
|
|
// edits from the IP. Given '::' abbreviations and caps/lowercaps,
|
|
// there are numerous ways to present the same IP. Having sp:contribs scan
|
|
// them all is silly and having some show the edits and others not is
|
|
// inconsistent. Same for talk/userpages. Keep them normalized instead.
|
|
$dbkey = ( $this->mNamespace == NS_USER || $this->mNamespace == NS_USER_TALK ) ?
|
|
IP::sanitizeIP( $dbkey ) : $dbkey;
|
|
// Any remaining initial :s are illegal.
|
|
if ( $dbkey !== '' && ':' == $dbkey { 0 } ) {
|
|
return false;
|
|
}
|
|
|
|
# Fill fields
|
|
$this->mDbkeyform = $dbkey;
|
|
$this->mUrlform = wfUrlencode( $dbkey );
|
|
|
|
$this->mTextform = str_replace( '_', ' ', $dbkey );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Set the fragment for this title. Removes the first character from the
|
|
* specified fragment before setting, so it assumes you're passing it with
|
|
* an initial "#".
|
|
*
|
|
* Deprecated for public use, use Title::makeTitle() with fragment parameter.
|
|
* Still in active use privately.
|
|
*
|
|
* @param $fragment \type{\string} text
|
|
*/
|
|
public function setFragment( $fragment ) {
|
|
$this->mFragment = str_replace( '_', ' ', substr( $fragment, 1 ) );
|
|
}
|
|
|
|
/**
|
|
* Get a Title object associated with the talk page of this article
|
|
*
|
|
* @return \type{Title} the object for the talk page
|
|
*/
|
|
public function getTalkPage() {
|
|
return Title::makeTitle( MWNamespace::getTalk( $this->getNamespace() ), $this->getDBkey() );
|
|
}
|
|
|
|
/**
|
|
* Get a title object associated with the subject page of this
|
|
* talk page
|
|
*
|
|
* @return \type{Title} the object for the subject page
|
|
*/
|
|
public function getSubjectPage() {
|
|
// Is this the same title?
|
|
$subjectNS = MWNamespace::getSubject( $this->getNamespace() );
|
|
if ( $this->getNamespace() == $subjectNS ) {
|
|
return $this;
|
|
}
|
|
return Title::makeTitle( $subjectNS, $this->getDBkey() );
|
|
}
|
|
|
|
/**
|
|
* Get an array of Title objects linking to this Title
|
|
* Also stores the IDs in the link cache.
|
|
*
|
|
* WARNING: do not use this function on arbitrary user-supplied titles!
|
|
* On heavily-used templates it will max out the memory.
|
|
*
|
|
* @param $options Array: may be FOR UPDATE
|
|
* @param $table String: table name
|
|
* @param $prefix String: fields prefix
|
|
* @return \type{\arrayof{Title}} the Title objects linking here
|
|
*/
|
|
public function getLinksTo( $options = array(), $table = 'pagelinks', $prefix = 'pl' ) {
|
|
$linkCache = LinkCache::singleton();
|
|
|
|
if ( count( $options ) > 0 ) {
|
|
$db = wfGetDB( DB_MASTER );
|
|
} else {
|
|
$db = wfGetDB( DB_SLAVE );
|
|
}
|
|
|
|
$res = $db->select(
|
|
array( 'page', $table ),
|
|
array( 'page_namespace', 'page_title', 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ),
|
|
array(
|
|
"{$prefix}_from=page_id",
|
|
"{$prefix}_namespace" => $this->getNamespace(),
|
|
"{$prefix}_title" => $this->getDBkey() ),
|
|
__METHOD__,
|
|
$options
|
|
);
|
|
|
|
$retVal = array();
|
|
if ( $db->numRows( $res ) ) {
|
|
foreach ( $res as $row ) {
|
|
if ( $titleObj = Title::makeTitle( $row->page_namespace, $row->page_title ) ) {
|
|
$linkCache->addGoodLinkObj( $row->page_id, $titleObj, $row->page_len, $row->page_is_redirect, $row->page_latest );
|
|
$retVal[] = $titleObj;
|
|
}
|
|
}
|
|
}
|
|
$db->freeResult( $res );
|
|
return $retVal;
|
|
}
|
|
|
|
/**
|
|
* Get an array of Title objects using this Title as a template
|
|
* Also stores the IDs in the link cache.
|
|
*
|
|
* WARNING: do not use this function on arbitrary user-supplied titles!
|
|
* On heavily-used templates it will max out the memory.
|
|
*
|
|
* @param $options Array: may be FOR UPDATE
|
|
* @return \type{\arrayof{Title}} the Title objects linking here
|
|
*/
|
|
public function getTemplateLinksTo( $options = array() ) {
|
|
return $this->getLinksTo( $options, 'templatelinks', 'tl' );
|
|
}
|
|
|
|
/**
|
|
* Get an array of Title objects referring to non-existent articles linked from this page
|
|
*
|
|
* @todo check if needed (used only in SpecialBrokenRedirects.php, and should use redirect table in this case)
|
|
* @return \type{\arrayof{Title}} the Title objects
|
|
*/
|
|
public function getBrokenLinksFrom() {
|
|
if ( $this->getArticleId() == 0 ) {
|
|
# All links from article ID 0 are false positives
|
|
return array();
|
|
}
|
|
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$res = $dbr->select(
|
|
array( 'page', 'pagelinks' ),
|
|
array( 'pl_namespace', 'pl_title' ),
|
|
array(
|
|
'pl_from' => $this->getArticleId(),
|
|
'page_namespace IS NULL'
|
|
),
|
|
__METHOD__, array(),
|
|
array(
|
|
'page' => array(
|
|
'LEFT JOIN',
|
|
array( 'pl_namespace=page_namespace', 'pl_title=page_title' )
|
|
)
|
|
)
|
|
);
|
|
|
|
$retVal = array();
|
|
foreach ( $res as $row ) {
|
|
$retVal[] = Title::makeTitle( $row->pl_namespace, $row->pl_title );
|
|
}
|
|
return $retVal;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get a list of URLs to purge from the Squid cache when this
|
|
* page changes
|
|
*
|
|
* @return \type{\arrayof{\string}} the URLs
|
|
*/
|
|
public function getSquidURLs() {
|
|
global $wgContLang;
|
|
|
|
$urls = array(
|
|
$this->getInternalURL(),
|
|
$this->getInternalURL( 'action=history' )
|
|
);
|
|
|
|
// purge variant urls as well
|
|
if ( $wgContLang->hasVariants() ) {
|
|
$variants = $wgContLang->getVariants();
|
|
foreach ( $variants as $vCode ) {
|
|
$urls[] = $this->getInternalURL( '', $vCode );
|
|
}
|
|
}
|
|
|
|
return $urls;
|
|
}
|
|
|
|
/**
|
|
* Purge all applicable Squid URLs
|
|
*/
|
|
public function purgeSquid() {
|
|
global $wgUseSquid;
|
|
if ( $wgUseSquid ) {
|
|
$urls = $this->getSquidURLs();
|
|
$u = new SquidUpdate( $urls );
|
|
$u->doUpdate();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Move this page without authentication
|
|
*
|
|
* @param $nt \type{Title} the new page Title
|
|
* @return \type{\mixed} true on success, getUserPermissionsErrors()-like array on failure
|
|
*/
|
|
public function moveNoAuth( &$nt ) {
|
|
return $this->moveTo( $nt, false );
|
|
}
|
|
|
|
/**
|
|
* Check whether a given move operation would be valid.
|
|
* Returns true if ok, or a getUserPermissionsErrors()-like array otherwise
|
|
*
|
|
* @param $nt \type{Title} the new title
|
|
* @param $auth \type{\bool} indicates whether $wgUser's permissions
|
|
* should be checked
|
|
* @param $reason \type{\string} is the log summary of the move, used for spam checking
|
|
* @return \type{\mixed} True on success, getUserPermissionsErrors()-like array on failure
|
|
*/
|
|
public function isValidMoveOperation( &$nt, $auth = true, $reason = '' ) {
|
|
global $wgUser;
|
|
|
|
$errors = array();
|
|
if ( !$nt ) {
|
|
// Normally we'd add this to $errors, but we'll get
|
|
// lots of syntax errors if $nt is not an object
|
|
return array( array( 'badtitletext' ) );
|
|
}
|
|
if ( $this->equals( $nt ) ) {
|
|
$errors[] = array( 'selfmove' );
|
|
}
|
|
if ( !$this->isMovable() ) {
|
|
$errors[] = array( 'immobile-source-namespace', $this->getNsText() );
|
|
}
|
|
if ( $nt->getInterwiki() != '' ) {
|
|
$errors[] = array( 'immobile-target-namespace-iw' );
|
|
}
|
|
if ( !$nt->isMovable() ) {
|
|
$errors[] = array( 'immobile-target-namespace', $nt->getNsText() );
|
|
}
|
|
|
|
$oldid = $this->getArticleID();
|
|
$newid = $nt->getArticleID();
|
|
|
|
if ( strlen( $nt->getDBkey() ) < 1 ) {
|
|
$errors[] = array( 'articleexists' );
|
|
}
|
|
if ( ( $this->getDBkey() == '' ) ||
|
|
( !$oldid ) ||
|
|
( $nt->getDBkey() == '' ) ) {
|
|
$errors[] = array( 'badarticleerror' );
|
|
}
|
|
|
|
// Image-specific checks
|
|
if ( $this->getNamespace() == NS_FILE ) {
|
|
if ( $nt->getNamespace() != NS_FILE ) {
|
|
$errors[] = array( 'imagenocrossnamespace' );
|
|
}
|
|
$file = wfLocalFile( $this );
|
|
if ( $file->exists() ) {
|
|
if ( $nt->getText() != wfStripIllegalFilenameChars( $nt->getText() ) ) {
|
|
$errors[] = array( 'imageinvalidfilename' );
|
|
}
|
|
if ( !File::checkExtensionCompatibility( $file, $nt->getDBkey() ) ) {
|
|
$errors[] = array( 'imagetypemismatch' );
|
|
}
|
|
}
|
|
$destfile = wfLocalFile( $nt );
|
|
if ( !$wgUser->isAllowed( 'reupload-shared' ) && !$destfile->exists() && wfFindFile( $nt ) ) {
|
|
$errors[] = array( 'file-exists-sharedrepo' );
|
|
}
|
|
}
|
|
|
|
if ( $nt->getNamespace() == NS_FILE && $this->getNamespace() != NS_FILE ) {
|
|
$errors[] = array( 'nonfile-cannot-move-to-file' );
|
|
}
|
|
|
|
if ( $auth ) {
|
|
$errors = wfMergeErrorArrays( $errors,
|
|
$this->getUserPermissionsErrors( 'move', $wgUser ),
|
|
$this->getUserPermissionsErrors( 'edit', $wgUser ),
|
|
$nt->getUserPermissionsErrors( 'move-target', $wgUser ),
|
|
$nt->getUserPermissionsErrors( 'edit', $wgUser ) );
|
|
}
|
|
|
|
$match = EditPage::matchSummarySpamRegex( $reason );
|
|
if ( $match !== false ) {
|
|
// This is kind of lame, won't display nice
|
|
$errors[] = array( 'spamprotectiontext' );
|
|
}
|
|
|
|
$err = null;
|
|
if ( !wfRunHooks( 'AbortMove', array( $this, $nt, $wgUser, &$err, $reason ) ) ) {
|
|
$errors[] = array( 'hookaborted', $err );
|
|
}
|
|
|
|
# The move is allowed only if (1) the target doesn't exist, or
|
|
# (2) the target is a redirect to the source, and has no history
|
|
# (so we can undo bad moves right after they're done).
|
|
|
|
if ( 0 != $newid ) { # Target exists; check for validity
|
|
if ( !$this->isValidMoveTarget( $nt ) ) {
|
|
$errors[] = array( 'articleexists' );
|
|
}
|
|
} else {
|
|
$tp = $nt->getTitleProtection();
|
|
$right = ( $tp['pt_create_perm'] == 'sysop' ) ? 'protect' : $tp['pt_create_perm'];
|
|
if ( $tp and !$wgUser->isAllowed( $right ) ) {
|
|
$errors[] = array( 'cantmove-titleprotected' );
|
|
}
|
|
}
|
|
if ( empty( $errors ) ) {
|
|
return true;
|
|
}
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Move a title to a new location
|
|
*
|
|
* @param $nt \type{Title} the new title
|
|
* @param $auth \type{\bool} indicates whether $wgUser's permissions
|
|
* should be checked
|
|
* @param $reason \type{\string} The reason for the move
|
|
* @param $createRedirect \type{\bool} Whether to create a redirect from the old title to the new title.
|
|
* Ignored if the user doesn't have the suppressredirect right.
|
|
* @return \type{\mixed} true on success, getUserPermissionsErrors()-like array on failure
|
|
*/
|
|
public function moveTo( &$nt, $auth = true, $reason = '', $createRedirect = true ) {
|
|
global $wgContLang;
|
|
|
|
$err = $this->isValidMoveOperation( $nt, $auth, $reason );
|
|
if ( is_array( $err ) ) {
|
|
return $err;
|
|
}
|
|
|
|
// If it is a file, move it first. It is done before all other moving stuff is done because it's hard to revert
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
if ( $this->getNamespace() == NS_FILE ) {
|
|
$file = wfLocalFile( $this );
|
|
if ( $file->exists() ) {
|
|
$status = $file->move( $nt );
|
|
if ( !$status->isOk() ) {
|
|
return $status->getErrorsArray();
|
|
}
|
|
}
|
|
}
|
|
|
|
$pageid = $this->getArticleID();
|
|
$protected = $this->isProtected();
|
|
if ( $nt->exists() ) {
|
|
$err = $this->moveOverExistingRedirect( $nt, $reason, $createRedirect );
|
|
$pageCountChange = ( $createRedirect ? 0 : -1 );
|
|
} else { # Target didn't exist, do normal move.
|
|
$err = $this->moveToNewTitle( $nt, $reason, $createRedirect );
|
|
$pageCountChange = ( $createRedirect ? 1 : 0 );
|
|
}
|
|
|
|
if ( is_array( $err ) ) {
|
|
return $err;
|
|
}
|
|
$redirid = $this->getArticleID();
|
|
|
|
// Refresh the sortkey for this row. Be careful to avoid resetting
|
|
// cl_timestamp, which may disturb time-based lists on some sites.
|
|
$prefix = $dbw->selectField(
|
|
'categorylinks',
|
|
'cl_sortkey_prefix',
|
|
array( 'cl_from' => $pageid ),
|
|
__METHOD__
|
|
);
|
|
$dbw->update( 'categorylinks',
|
|
array(
|
|
'cl_sortkey' => $wgContLang->convertToSortkey( $nt->getCategorySortkey( $prefix ) ),
|
|
'cl_timestamp=cl_timestamp' ),
|
|
array( 'cl_from' => $pageid ),
|
|
__METHOD__ );
|
|
|
|
if ( $protected ) {
|
|
# Protect the redirect title as the title used to be...
|
|
$dbw->insertSelect( 'page_restrictions', 'page_restrictions',
|
|
array(
|
|
'pr_page' => $redirid,
|
|
'pr_type' => 'pr_type',
|
|
'pr_level' => 'pr_level',
|
|
'pr_cascade' => 'pr_cascade',
|
|
'pr_user' => 'pr_user',
|
|
'pr_expiry' => 'pr_expiry'
|
|
),
|
|
array( 'pr_page' => $pageid ),
|
|
__METHOD__,
|
|
array( 'IGNORE' )
|
|
);
|
|
# Update the protection log
|
|
$log = new LogPage( 'protect' );
|
|
$comment = wfMsgForContent( 'prot_1movedto2', $this->getPrefixedText(), $nt->getPrefixedText() );
|
|
if ( $reason ) {
|
|
$comment .= wfMsgForContent( 'colon-separator' ) . $reason;
|
|
}
|
|
$log->addEntry( 'move_prot', $nt, $comment, array( $this->getPrefixedText() ) ); // FIXME: $params?
|
|
}
|
|
|
|
# Update watchlists
|
|
$oldnamespace = $this->getNamespace() & ~1;
|
|
$newnamespace = $nt->getNamespace() & ~1;
|
|
$oldtitle = $this->getDBkey();
|
|
$newtitle = $nt->getDBkey();
|
|
|
|
if ( $oldnamespace != $newnamespace || $oldtitle != $newtitle ) {
|
|
WatchedItem::duplicateEntries( $this, $nt );
|
|
}
|
|
|
|
# Update search engine
|
|
$u = new SearchUpdate( $pageid, $nt->getPrefixedDBkey() );
|
|
$u->doUpdate();
|
|
$u = new SearchUpdate( $redirid, $this->getPrefixedDBkey(), '' );
|
|
$u->doUpdate();
|
|
|
|
# Update site_stats
|
|
if ( $this->isContentPage() && !$nt->isContentPage() ) {
|
|
# No longer a content page
|
|
# Not viewed, edited, removing
|
|
$u = new SiteStatsUpdate( 0, 1, -1, $pageCountChange );
|
|
} elseif ( !$this->isContentPage() && $nt->isContentPage() ) {
|
|
# Now a content page
|
|
# Not viewed, edited, adding
|
|
$u = new SiteStatsUpdate( 0, 1, + 1, $pageCountChange );
|
|
} elseif ( $pageCountChange ) {
|
|
# Redirect added
|
|
$u = new SiteStatsUpdate( 0, 0, 0, 1 );
|
|
} else {
|
|
# Nothing special
|
|
$u = false;
|
|
}
|
|
if ( $u ) {
|
|
$u->doUpdate();
|
|
}
|
|
# Update message cache for interface messages
|
|
global $wgMessageCache;
|
|
if ( $this->getNamespace() == NS_MEDIAWIKI ) {
|
|
# @bug 17860: old article can be deleted, if this the case,
|
|
# delete it from message cache
|
|
if ( $this->getArticleID() === 0 ) {
|
|
$wgMessageCache->replace( $this->getDBkey(), false );
|
|
} else {
|
|
$oldarticle = new Article( $this );
|
|
$wgMessageCache->replace( $this->getDBkey(), $oldarticle->getContent() );
|
|
}
|
|
}
|
|
if ( $nt->getNamespace() == NS_MEDIAWIKI ) {
|
|
$newarticle = new Article( $nt );
|
|
$wgMessageCache->replace( $nt->getDBkey(), $newarticle->getContent() );
|
|
}
|
|
|
|
global $wgUser;
|
|
wfRunHooks( 'TitleMoveComplete', array( &$this, &$nt, &$wgUser, $pageid, $redirid ) );
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Move page to a title which is at present a redirect to the
|
|
* source page
|
|
*
|
|
* @param $nt \type{Title} the page to move to, which should currently
|
|
* be a redirect
|
|
* @param $reason \type{\string} The reason for the move
|
|
* @param $createRedirect \type{\bool} Whether to leave a redirect at the old title.
|
|
* Ignored if the user doesn't have the suppressredirect right
|
|
*/
|
|
private function moveOverExistingRedirect( &$nt, $reason = '', $createRedirect = true ) {
|
|
global $wgUseSquid, $wgUser, $wgContLang;
|
|
|
|
$comment = wfMsgForContent( '1movedto2_redir', $this->getPrefixedText(), $nt->getPrefixedText() );
|
|
|
|
if ( $reason ) {
|
|
$comment .= wfMsgForContent( 'colon-separator' ) . $reason;
|
|
}
|
|
# Truncate for whole multibyte characters. +5 bytes for ellipsis
|
|
$comment = $wgContLang->truncate( $comment, 250 );
|
|
|
|
$now = wfTimestampNow();
|
|
$newid = $nt->getArticleID();
|
|
$oldid = $this->getArticleID();
|
|
$latest = $this->getLatestRevID();
|
|
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
|
|
$rcts = $dbw->timestamp( $nt->getEarliestRevTime() );
|
|
$newns = $nt->getNamespace();
|
|
$newdbk = $nt->getDBkey();
|
|
|
|
# Delete the old redirect. We don't save it to history since
|
|
# by definition if we've got here it's rather uninteresting.
|
|
# We have to remove it so that the next step doesn't trigger
|
|
# a conflict on the unique namespace+title index...
|
|
$dbw->delete( 'page', array( 'page_id' => $newid ), __METHOD__ );
|
|
if ( !$dbw->cascadingDeletes() ) {
|
|
$dbw->delete( 'revision', array( 'rev_page' => $newid ), __METHOD__ );
|
|
global $wgUseTrackbacks;
|
|
if ( $wgUseTrackbacks ) {
|
|
$dbw->delete( 'trackbacks', array( 'tb_page' => $newid ), __METHOD__ );
|
|
}
|
|
$dbw->delete( 'pagelinks', array( 'pl_from' => $newid ), __METHOD__ );
|
|
$dbw->delete( 'imagelinks', array( 'il_from' => $newid ), __METHOD__ );
|
|
$dbw->delete( 'categorylinks', array( 'cl_from' => $newid ), __METHOD__ );
|
|
$dbw->delete( 'templatelinks', array( 'tl_from' => $newid ), __METHOD__ );
|
|
$dbw->delete( 'externallinks', array( 'el_from' => $newid ), __METHOD__ );
|
|
$dbw->delete( 'langlinks', array( 'll_from' => $newid ), __METHOD__ );
|
|
$dbw->delete( 'redirect', array( 'rd_from' => $newid ), __METHOD__ );
|
|
}
|
|
// If the redirect was recently created, it may have an entry in recentchanges still
|
|
$dbw->delete( 'recentchanges',
|
|
array( 'rc_timestamp' => $rcts, 'rc_namespace' => $newns, 'rc_title' => $newdbk, 'rc_new' => 1 ),
|
|
__METHOD__
|
|
);
|
|
|
|
# Save a null revision in the page's history notifying of the move
|
|
$nullRevision = Revision::newNullRevision( $dbw, $oldid, $comment, true );
|
|
$nullRevId = $nullRevision->insertOn( $dbw );
|
|
|
|
$article = new Article( $this );
|
|
wfRunHooks( 'NewRevisionFromEditComplete', array( $article, $nullRevision, $latest, $wgUser ) );
|
|
|
|
# Change the name of the target page:
|
|
$dbw->update( 'page',
|
|
/* SET */ array(
|
|
'page_touched' => $dbw->timestamp( $now ),
|
|
'page_namespace' => $nt->getNamespace(),
|
|
'page_title' => $nt->getDBkey(),
|
|
'page_latest' => $nullRevId,
|
|
),
|
|
/* WHERE */ array( 'page_id' => $oldid ),
|
|
__METHOD__
|
|
);
|
|
$nt->resetArticleID( $oldid );
|
|
|
|
# Recreate the redirect, this time in the other direction.
|
|
if ( $createRedirect || !$wgUser->isAllowed( 'suppressredirect' ) ) {
|
|
$mwRedir = MagicWord::get( 'redirect' );
|
|
$redirectText = $mwRedir->getSynonym( 0 ) . ' [[' . $nt->getPrefixedText() . "]]\n";
|
|
$redirectArticle = new Article( $this );
|
|
$newid = $redirectArticle->insertOn( $dbw );
|
|
$redirectRevision = new Revision( array(
|
|
'page' => $newid,
|
|
'comment' => $comment,
|
|
'text' => $redirectText ) );
|
|
$redirectRevision->insertOn( $dbw );
|
|
$redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
|
|
|
|
wfRunHooks( 'NewRevisionFromEditComplete', array( $redirectArticle, $redirectRevision, false, $wgUser ) );
|
|
|
|
# Now, we record the link from the redirect to the new title.
|
|
# It should have no other outgoing links...
|
|
$dbw->delete( 'pagelinks', array( 'pl_from' => $newid ), __METHOD__ );
|
|
$dbw->insert( 'pagelinks',
|
|
array(
|
|
'pl_from' => $newid,
|
|
'pl_namespace' => $nt->getNamespace(),
|
|
'pl_title' => $nt->getDBkey() ),
|
|
__METHOD__ );
|
|
$redirectSuppressed = false;
|
|
} else {
|
|
$this->resetArticleID( 0 );
|
|
$redirectSuppressed = true;
|
|
}
|
|
|
|
# Log the move
|
|
$log = new LogPage( 'move' );
|
|
$log->addEntry( 'move_redir', $this, $reason, array( 1 => $nt->getPrefixedText(), 2 => $redirectSuppressed ) );
|
|
|
|
# Purge squid
|
|
if ( $wgUseSquid ) {
|
|
$urls = array_merge( $nt->getSquidURLs(), $this->getSquidURLs() );
|
|
$u = new SquidUpdate( $urls );
|
|
$u->doUpdate();
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Move page to non-existing title.
|
|
*
|
|
* @param $nt \type{Title} the new Title
|
|
* @param $reason \type{\string} The reason for the move
|
|
* @param $createRedirect \type{\bool} Whether to create a redirect from the old title to the new title
|
|
* Ignored if the user doesn't have the suppressredirect right
|
|
*/
|
|
private function moveToNewTitle( &$nt, $reason = '', $createRedirect = true ) {
|
|
global $wgUser, $wgContLang;
|
|
|
|
$comment = wfMsgForContent( '1movedto2', $this->getPrefixedText(), $nt->getPrefixedText() );
|
|
if ( $reason ) {
|
|
$comment .= wfMsgExt( 'colon-separator',
|
|
array( 'escapenoentities', 'content' ) );
|
|
$comment .= $reason;
|
|
}
|
|
# Truncate for whole multibyte characters. +5 bytes for ellipsis
|
|
$comment = $wgContLang->truncate( $comment, 250 );
|
|
|
|
$newid = $nt->getArticleID();
|
|
$oldid = $this->getArticleID();
|
|
$latest = $this->getLatestRevId();
|
|
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
$now = $dbw->timestamp();
|
|
|
|
# Save a null revision in the page's history notifying of the move
|
|
$nullRevision = Revision::newNullRevision( $dbw, $oldid, $comment, true );
|
|
if ( !is_object( $nullRevision ) ) {
|
|
throw new MWException( 'No valid null revision produced in ' . __METHOD__ );
|
|
}
|
|
$nullRevId = $nullRevision->insertOn( $dbw );
|
|
|
|
$article = new Article( $this );
|
|
wfRunHooks( 'NewRevisionFromEditComplete', array( $article, $nullRevision, $latest, $wgUser ) );
|
|
|
|
# Rename page entry
|
|
$dbw->update( 'page',
|
|
/* SET */ array(
|
|
'page_touched' => $now,
|
|
'page_namespace' => $nt->getNamespace(),
|
|
'page_title' => $nt->getDBkey(),
|
|
'page_latest' => $nullRevId,
|
|
),
|
|
/* WHERE */ array( 'page_id' => $oldid ),
|
|
__METHOD__
|
|
);
|
|
$nt->resetArticleID( $oldid );
|
|
|
|
if ( $createRedirect || !$wgUser->isAllowed( 'suppressredirect' ) ) {
|
|
# Insert redirect
|
|
$mwRedir = MagicWord::get( 'redirect' );
|
|
$redirectText = $mwRedir->getSynonym( 0 ) . ' [[' . $nt->getPrefixedText() . "]]\n";
|
|
$redirectArticle = new Article( $this );
|
|
$newid = $redirectArticle->insertOn( $dbw );
|
|
$redirectRevision = new Revision( array(
|
|
'page' => $newid,
|
|
'comment' => $comment,
|
|
'text' => $redirectText ) );
|
|
$redirectRevision->insertOn( $dbw );
|
|
$redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
|
|
|
|
wfRunHooks( 'NewRevisionFromEditComplete', array( $redirectArticle, $redirectRevision, false, $wgUser ) );
|
|
|
|
# Record the just-created redirect's linking to the page
|
|
$dbw->insert( 'pagelinks',
|
|
array(
|
|
'pl_from' => $newid,
|
|
'pl_namespace' => $nt->getNamespace(),
|
|
'pl_title' => $nt->getDBkey() ),
|
|
__METHOD__ );
|
|
$redirectSuppressed = false;
|
|
} else {
|
|
$this->resetArticleID( 0 );
|
|
$redirectSuppressed = true;
|
|
}
|
|
|
|
# Log the move
|
|
$log = new LogPage( 'move' );
|
|
$log->addEntry( 'move', $this, $reason, array( 1 => $nt->getPrefixedText(), 2 => $redirectSuppressed ) );
|
|
|
|
# Purge caches as per article creation
|
|
Article::onArticleCreate( $nt );
|
|
|
|
# Purge old title from squid
|
|
# The new title, and links to the new title, are purged in Article::onArticleCreate()
|
|
$this->purgeSquid();
|
|
}
|
|
|
|
/**
|
|
* Move this page's subpages to be subpages of $nt
|
|
*
|
|
* @param $nt Title Move target
|
|
* @param $auth bool Whether $wgUser's permissions should be checked
|
|
* @param $reason string The reason for the move
|
|
* @param $createRedirect bool Whether to create redirects from the old subpages to the new ones
|
|
* Ignored if the user doesn't have the 'suppressredirect' right
|
|
* @return mixed array with old page titles as keys, and strings (new page titles) or
|
|
* arrays (errors) as values, or an error array with numeric indices if no pages were moved
|
|
*/
|
|
public function moveSubpages( $nt, $auth = true, $reason = '', $createRedirect = true ) {
|
|
global $wgMaximumMovedPages;
|
|
// Check permissions
|
|
if ( !$this->userCan( 'move-subpages' ) ) {
|
|
return array( 'cant-move-subpages' );
|
|
}
|
|
// Do the source and target namespaces support subpages?
|
|
if ( !MWNamespace::hasSubpages( $this->getNamespace() ) ) {
|
|
return array( 'namespace-nosubpages',
|
|
MWNamespace::getCanonicalName( $this->getNamespace() ) );
|
|
}
|
|
if ( !MWNamespace::hasSubpages( $nt->getNamespace() ) ) {
|
|
return array( 'namespace-nosubpages',
|
|
MWNamespace::getCanonicalName( $nt->getNamespace() ) );
|
|
}
|
|
|
|
$subpages = $this->getSubpages( $wgMaximumMovedPages + 1 );
|
|
$retval = array();
|
|
$count = 0;
|
|
foreach ( $subpages as $oldSubpage ) {
|
|
$count++;
|
|
if ( $count > $wgMaximumMovedPages ) {
|
|
$retval[$oldSubpage->getPrefixedTitle()] =
|
|
array( 'movepage-max-pages',
|
|
$wgMaximumMovedPages );
|
|
break;
|
|
}
|
|
|
|
// We don't know whether this function was called before
|
|
// or after moving the root page, so check both
|
|
// $this and $nt
|
|
if ( $oldSubpage->getArticleId() == $this->getArticleId() ||
|
|
$oldSubpage->getArticleID() == $nt->getArticleId() )
|
|
{
|
|
// When moving a page to a subpage of itself,
|
|
// don't move it twice
|
|
continue;
|
|
}
|
|
$newPageName = preg_replace(
|
|
'#^' . preg_quote( $this->getDBkey(), '#' ) . '#',
|
|
StringUtils::escapeRegexReplacement( $nt->getDBkey() ), # bug 21234
|
|
$oldSubpage->getDBkey() );
|
|
if ( $oldSubpage->isTalkPage() ) {
|
|
$newNs = $nt->getTalkPage()->getNamespace();
|
|
} else {
|
|
$newNs = $nt->getSubjectPage()->getNamespace();
|
|
}
|
|
# Bug 14385: we need makeTitleSafe because the new page names may
|
|
# be longer than 255 characters.
|
|
$newSubpage = Title::makeTitleSafe( $newNs, $newPageName );
|
|
|
|
$success = $oldSubpage->moveTo( $newSubpage, $auth, $reason, $createRedirect );
|
|
if ( $success === true ) {
|
|
$retval[$oldSubpage->getPrefixedText()] = $newSubpage->getPrefixedText();
|
|
} else {
|
|
$retval[$oldSubpage->getPrefixedText()] = $success;
|
|
}
|
|
}
|
|
return $retval;
|
|
}
|
|
|
|
/**
|
|
* Checks if this page is just a one-rev redirect.
|
|
* Adds lock, so don't use just for light purposes.
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isSingleRevRedirect() {
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
# Is it a redirect?
|
|
$row = $dbw->selectRow( 'page',
|
|
array( 'page_is_redirect', 'page_latest', 'page_id' ),
|
|
$this->pageCond(),
|
|
__METHOD__,
|
|
array( 'FOR UPDATE' )
|
|
);
|
|
# Cache some fields we may want
|
|
$this->mArticleID = $row ? intval( $row->page_id ) : 0;
|
|
$this->mRedirect = $row ? (bool)$row->page_is_redirect : false;
|
|
$this->mLatestID = $row ? intval( $row->page_latest ) : false;
|
|
if ( !$this->mRedirect ) {
|
|
return false;
|
|
}
|
|
# Does the article have a history?
|
|
$row = $dbw->selectField( array( 'page', 'revision' ),
|
|
'rev_id',
|
|
array( 'page_namespace' => $this->getNamespace(),
|
|
'page_title' => $this->getDBkey(),
|
|
'page_id=rev_page',
|
|
'page_latest != rev_id'
|
|
),
|
|
__METHOD__,
|
|
array( 'FOR UPDATE' )
|
|
);
|
|
# Return true if there was no history
|
|
return ( $row === false );
|
|
}
|
|
|
|
/**
|
|
* Checks if $this can be moved to a given Title
|
|
* - Selects for update, so don't call it unless you mean business
|
|
*
|
|
* @param $nt \type{Title} the new title to check
|
|
* @return \type{\bool} TRUE or FALSE
|
|
*/
|
|
public function isValidMoveTarget( $nt ) {
|
|
# Is it an existing file?
|
|
if ( $nt->getNamespace() == NS_FILE ) {
|
|
$file = wfLocalFile( $nt );
|
|
if ( $file->exists() ) {
|
|
wfDebug( __METHOD__ . ": file exists\n" );
|
|
return false;
|
|
}
|
|
}
|
|
# Is it a redirect with no history?
|
|
if ( !$nt->isSingleRevRedirect() ) {
|
|
wfDebug( __METHOD__ . ": not a one-rev redirect\n" );
|
|
return false;
|
|
}
|
|
# Get the article text
|
|
$rev = Revision::newFromTitle( $nt );
|
|
$text = $rev->getText();
|
|
# Does the redirect point to the source?
|
|
# Or is it a broken self-redirect, usually caused by namespace collisions?
|
|
$m = array();
|
|
if ( preg_match( "/\\[\\[\\s*([^\\]\\|]*)]]/", $text, $m ) ) {
|
|
$redirTitle = Title::newFromText( $m[1] );
|
|
if ( !is_object( $redirTitle ) ||
|
|
( $redirTitle->getPrefixedDBkey() != $this->getPrefixedDBkey() &&
|
|
$redirTitle->getPrefixedDBkey() != $nt->getPrefixedDBkey() ) ) {
|
|
wfDebug( __METHOD__ . ": redirect points to other page\n" );
|
|
return false;
|
|
}
|
|
} else {
|
|
# Fail safe
|
|
wfDebug( __METHOD__ . ": failsafe\n" );
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Can this title be added to a user's watchlist?
|
|
*
|
|
* @return \type{\bool} TRUE or FALSE
|
|
*/
|
|
public function isWatchable() {
|
|
return !$this->isExternal() && MWNamespace::isWatchable( $this->getNamespace() );
|
|
}
|
|
|
|
/**
|
|
* Get categories to which this Title belongs and return an array of
|
|
* categories' names.
|
|
*
|
|
* @return \type{\array} array an array of parents in the form:
|
|
* $parent => $currentarticle
|
|
*/
|
|
public function getParentCategories() {
|
|
global $wgContLang;
|
|
|
|
$titlekey = $this->getArticleId();
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$categorylinks = $dbr->tableName( 'categorylinks' );
|
|
|
|
# NEW SQL
|
|
$sql = "SELECT * FROM $categorylinks"
|
|
. " WHERE cl_from='$titlekey'"
|
|
. " AND cl_from <> '0'"
|
|
. " ORDER BY cl_sortkey";
|
|
|
|
$res = $dbr->query( $sql );
|
|
|
|
if ( $dbr->numRows( $res ) > 0 ) {
|
|
foreach ( $res as $row )
|
|
// $data[] = Title::newFromText($wgContLang->getNSText ( NS_CATEGORY ).':'.$row->cl_to);
|
|
$data[$wgContLang->getNSText( NS_CATEGORY ) . ':' . $row->cl_to] = $this->getFullText();
|
|
$dbr->freeResult( $res );
|
|
} else {
|
|
$data = array();
|
|
}
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Get a tree of parent categories
|
|
*
|
|
* @param $children \type{\array} an array with the children in the keys, to check for circular refs
|
|
* @return \type{\array} Tree of parent categories
|
|
*/
|
|
public function getParentCategoryTree( $children = array() ) {
|
|
$stack = array();
|
|
$parents = $this->getParentCategories();
|
|
|
|
if ( $parents ) {
|
|
foreach ( $parents as $parent => $current ) {
|
|
if ( array_key_exists( $parent, $children ) ) {
|
|
# Circular reference
|
|
$stack[$parent] = array();
|
|
} else {
|
|
$nt = Title::newFromText( $parent );
|
|
if ( $nt ) {
|
|
$stack[$parent] = $nt->getParentCategoryTree( $children + array( $parent => 1 ) );
|
|
}
|
|
}
|
|
}
|
|
return $stack;
|
|
} else {
|
|
return array();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Get an associative array for selecting this title from
|
|
* the "page" table
|
|
*
|
|
* @return \type{\array} Selection array
|
|
*/
|
|
public function pageCond() {
|
|
if ( $this->mArticleID > 0 ) {
|
|
// PK avoids secondary lookups in InnoDB, shouldn't hurt other DBs
|
|
return array( 'page_id' => $this->mArticleID );
|
|
} else {
|
|
return array( 'page_namespace' => $this->mNamespace, 'page_title' => $this->mDbkeyform );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the revision ID of the previous revision
|
|
*
|
|
* @param $revId \type{\int} Revision ID. Get the revision that was before this one.
|
|
* @param $flags \type{\int} GAID_FOR_UPDATE
|
|
* @return \twotypes{\int,\bool} Old revision ID, or FALSE if none exists
|
|
*/
|
|
public function getPreviousRevisionID( $revId, $flags = 0 ) {
|
|
$db = ( $flags & GAID_FOR_UPDATE ) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
|
|
return $db->selectField( 'revision', 'rev_id',
|
|
array(
|
|
'rev_page' => $this->getArticleId( $flags ),
|
|
'rev_id < ' . intval( $revId )
|
|
),
|
|
__METHOD__,
|
|
array( 'ORDER BY' => 'rev_id DESC' )
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Get the revision ID of the next revision
|
|
*
|
|
* @param $revId \type{\int} Revision ID. Get the revision that was after this one.
|
|
* @param $flags \type{\int} GAID_FOR_UPDATE
|
|
* @return \twotypes{\int,\bool} Next revision ID, or FALSE if none exists
|
|
*/
|
|
public function getNextRevisionID( $revId, $flags = 0 ) {
|
|
$db = ( $flags & GAID_FOR_UPDATE ) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
|
|
return $db->selectField( 'revision', 'rev_id',
|
|
array(
|
|
'rev_page' => $this->getArticleId( $flags ),
|
|
'rev_id > ' . intval( $revId )
|
|
),
|
|
__METHOD__,
|
|
array( 'ORDER BY' => 'rev_id' )
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Get the first revision of the page
|
|
*
|
|
* @param $flags \type{\int} GAID_FOR_UPDATE
|
|
* @return Revision (or NULL if page doesn't exist)
|
|
*/
|
|
public function getFirstRevision( $flags = 0 ) {
|
|
$db = ( $flags & GAID_FOR_UPDATE ) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
|
|
$pageId = $this->getArticleId( $flags );
|
|
if ( !$pageId ) {
|
|
return null;
|
|
}
|
|
$row = $db->selectRow( 'revision', '*',
|
|
array( 'rev_page' => $pageId ),
|
|
__METHOD__,
|
|
array( 'ORDER BY' => 'rev_timestamp ASC', 'LIMIT' => 1 )
|
|
);
|
|
if ( !$row ) {
|
|
return null;
|
|
} else {
|
|
return new Revision( $row );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if this is a new page
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function isNewPage() {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
return (bool)$dbr->selectField( 'page', 'page_is_new', $this->pageCond(), __METHOD__ );
|
|
}
|
|
|
|
/**
|
|
* Get the oldest revision timestamp of this page
|
|
*
|
|
* @return String: MW timestamp
|
|
*/
|
|
public function getEarliestRevTime() {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
if ( $this->exists() ) {
|
|
$min = $dbr->selectField( 'revision',
|
|
'MIN(rev_timestamp)',
|
|
array( 'rev_page' => $this->getArticleId() ),
|
|
__METHOD__ );
|
|
return wfTimestampOrNull( TS_MW, $min );
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the number of revisions between the given revision IDs.
|
|
* Used for diffs and other things that really need it.
|
|
*
|
|
* @param $old \type{\int} Revision ID.
|
|
* @param $new \type{\int} Revision ID.
|
|
* @return \type{\int} Number of revisions between these IDs.
|
|
*/
|
|
public function countRevisionsBetween( $old, $new ) {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
return (int)$dbr->selectField( 'revision', 'count(*)',
|
|
'rev_page = ' . intval( $this->getArticleId() ) .
|
|
' AND rev_id > ' . intval( $old ) .
|
|
' AND rev_id < ' . intval( $new ),
|
|
__METHOD__
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Compare with another title.
|
|
*
|
|
* @param $title \type{Title}
|
|
* @return \type{\bool} TRUE or FALSE
|
|
*/
|
|
public function equals( Title $title ) {
|
|
// Note: === is necessary for proper matching of number-like titles.
|
|
return $this->getInterwiki() === $title->getInterwiki()
|
|
&& $this->getNamespace() == $title->getNamespace()
|
|
&& $this->getDBkey() === $title->getDBkey();
|
|
}
|
|
|
|
/**
|
|
* Callback for usort() to do title sorts by (namespace, title)
|
|
*
|
|
* @return Integer: result of string comparison, or namespace comparison
|
|
*/
|
|
public static function compare( $a, $b ) {
|
|
if ( $a->getNamespace() == $b->getNamespace() ) {
|
|
return strcmp( $a->getText(), $b->getText() );
|
|
} else {
|
|
return $a->getNamespace() - $b->getNamespace();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return a string representation of this title
|
|
*
|
|
* @return \type{\string} String representation of this title
|
|
*/
|
|
public function __toString() {
|
|
return $this->getPrefixedText();
|
|
}
|
|
|
|
/**
|
|
* Check if page exists. For historical reasons, this function simply
|
|
* checks for the existence of the title in the page table, and will
|
|
* thus return false for interwiki links, special pages and the like.
|
|
* If you want to know if a title can be meaningfully viewed, you should
|
|
* probably call the isKnown() method instead.
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function exists() {
|
|
return $this->getArticleId() != 0;
|
|
}
|
|
|
|
/**
|
|
* Should links to this title be shown as potentially viewable (i.e. as
|
|
* "bluelinks"), even if there's no record by this title in the page
|
|
* table?
|
|
*
|
|
* This function is semi-deprecated for public use, as well as somewhat
|
|
* misleadingly named. You probably just want to call isKnown(), which
|
|
* calls this function internally.
|
|
*
|
|
* (ISSUE: Most of these checks are cheap, but the file existence check
|
|
* can potentially be quite expensive. Including it here fixes a lot of
|
|
* existing code, but we might want to add an optional parameter to skip
|
|
* it and any other expensive checks.)
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isAlwaysKnown() {
|
|
if ( $this->mInterwiki != '' ) {
|
|
return true; // any interwiki link might be viewable, for all we know
|
|
}
|
|
switch( $this->mNamespace ) {
|
|
case NS_MEDIA:
|
|
case NS_FILE:
|
|
return (bool)wfFindFile( $this ); // file exists, possibly in a foreign repo
|
|
case NS_SPECIAL:
|
|
return SpecialPage::exists( $this->getDBkey() ); // valid special page
|
|
case NS_MAIN:
|
|
return $this->mDbkeyform == ''; // selflink, possibly with fragment
|
|
case NS_MEDIAWIKI:
|
|
// If the page is form Mediawiki:message/lang, calling wfMsgWeirdKey causes
|
|
// the full l10n of that language to be loaded. That takes much memory and
|
|
// isn't needed. So we strip the language part away.
|
|
list( $basename, /* rest */ ) = explode( '/', $this->mDbkeyform, 2 );
|
|
return (bool)wfMsgWeirdKey( $basename ); // known system message
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Does this title refer to a page that can (or might) be meaningfully
|
|
* viewed? In particular, this function may be used to determine if
|
|
* links to the title should be rendered as "bluelinks" (as opposed to
|
|
* "redlinks" to non-existent pages).
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isKnown() {
|
|
return $this->exists() || $this->isAlwaysKnown();
|
|
}
|
|
|
|
/**
|
|
* Does this page have source text?
|
|
*
|
|
* @return Boolean
|
|
*/
|
|
public function hasSourceText() {
|
|
if ( $this->exists() ) {
|
|
return true;
|
|
}
|
|
|
|
if ( $this->mNamespace == NS_MEDIAWIKI ) {
|
|
// If the page doesn't exist but is a known system message, default
|
|
// message content will be displayed, same for language subpages
|
|
// Also, if the page is form Mediawiki:message/lang, calling wfMsgWeirdKey
|
|
// causes the full l10n of that language to be loaded. That takes much
|
|
// memory and isn't needed. So we strip the language part away.
|
|
list( $basename, /* rest */ ) = explode( '/', $this->mDbkeyform, 2 );
|
|
return (bool)wfMsgWeirdKey( $basename );
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Is this in a namespace that allows actual pages?
|
|
*
|
|
* @return \type{\bool}
|
|
* @internal note -- uses hardcoded namespace index instead of constants
|
|
*/
|
|
public function canExist() {
|
|
return $this->mNamespace >= 0 && $this->mNamespace != NS_MEDIA;
|
|
}
|
|
|
|
/**
|
|
* Update page_touched timestamps and send squid purge messages for
|
|
* pages linking to this title. May be sent to the job queue depending
|
|
* on the number of links. Typically called on create and delete.
|
|
*/
|
|
public function touchLinks() {
|
|
$u = new HTMLCacheUpdate( $this, 'pagelinks' );
|
|
$u->doUpdate();
|
|
|
|
if ( $this->getNamespace() == NS_CATEGORY ) {
|
|
$u = new HTMLCacheUpdate( $this, 'categorylinks' );
|
|
$u->doUpdate();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the last touched timestamp
|
|
*
|
|
* @param $db DatabaseBase: optional db
|
|
* @return \type{\string} Last touched timestamp
|
|
*/
|
|
public function getTouched( $db = null ) {
|
|
$db = isset( $db ) ? $db : wfGetDB( DB_SLAVE );
|
|
$touched = $db->selectField( 'page', 'page_touched', $this->pageCond(), __METHOD__ );
|
|
return $touched;
|
|
}
|
|
|
|
/**
|
|
* Get the timestamp when this page was updated since the user last saw it.
|
|
*
|
|
* @param $user User
|
|
* @return Mixed: string/null
|
|
*/
|
|
public function getNotificationTimestamp( $user = null ) {
|
|
global $wgUser, $wgShowUpdatedMarker;
|
|
// Assume current user if none given
|
|
if ( !$user ) {
|
|
$user = $wgUser;
|
|
}
|
|
// Check cache first
|
|
$uid = $user->getId();
|
|
if ( isset( $this->mNotificationTimestamp[$uid] ) ) {
|
|
return $this->mNotificationTimestamp[$uid];
|
|
}
|
|
if ( !$uid || !$wgShowUpdatedMarker ) {
|
|
return $this->mNotificationTimestamp[$uid] = false;
|
|
}
|
|
// Don't cache too much!
|
|
if ( count( $this->mNotificationTimestamp ) >= self::CACHE_MAX ) {
|
|
$this->mNotificationTimestamp = array();
|
|
}
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$this->mNotificationTimestamp[$uid] = $dbr->selectField( 'watchlist',
|
|
'wl_notificationtimestamp',
|
|
array( 'wl_namespace' => $this->getNamespace(),
|
|
'wl_title' => $this->getDBkey(),
|
|
'wl_user' => $user->getId()
|
|
),
|
|
__METHOD__
|
|
);
|
|
return $this->mNotificationTimestamp[$uid];
|
|
}
|
|
|
|
/**
|
|
* Get the trackback URL for this page
|
|
*
|
|
* @return \type{\string} Trackback URL
|
|
*/
|
|
public function trackbackURL() {
|
|
global $wgScriptPath, $wgServer, $wgScriptExtension;
|
|
|
|
return "$wgServer$wgScriptPath/trackback$wgScriptExtension?article="
|
|
. htmlspecialchars( urlencode( $this->getPrefixedDBkey() ) );
|
|
}
|
|
|
|
/**
|
|
* Get the trackback RDF for this page
|
|
*
|
|
* @return \type{\string} Trackback RDF
|
|
*/
|
|
public function trackbackRDF() {
|
|
$url = htmlspecialchars( $this->getFullURL() );
|
|
$title = htmlspecialchars( $this->getText() );
|
|
$tburl = $this->trackbackURL();
|
|
|
|
// Autodiscovery RDF is placed in comments so HTML validator
|
|
// won't barf. This is a rather icky workaround, but seems
|
|
// frequently used by this kind of RDF thingy.
|
|
//
|
|
// Spec: http://www.sixapart.com/pronet/docs/trackback_spec
|
|
return "<!--
|
|
<rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"
|
|
xmlns:dc=\"http://purl.org/dc/elements/1.1/\"
|
|
xmlns:trackback=\"http://madskills.com/public/xml/rss/module/trackback/\">
|
|
<rdf:Description
|
|
rdf:about=\"$url\"
|
|
dc:identifier=\"$url\"
|
|
dc:title=\"$title\"
|
|
trackback:ping=\"$tburl\" />
|
|
</rdf:RDF>
|
|
-->";
|
|
}
|
|
|
|
/**
|
|
* Generate strings used for xml 'id' names in monobook tabs
|
|
*
|
|
* @param $prepend string defaults to 'nstab-'
|
|
* @return \type{\string} XML 'id' name
|
|
*/
|
|
public function getNamespaceKey( $prepend = 'nstab-' ) {
|
|
global $wgContLang;
|
|
// Gets the subject namespace if this title
|
|
$namespace = MWNamespace::getSubject( $this->getNamespace() );
|
|
// Checks if cononical namespace name exists for namespace
|
|
if ( MWNamespace::exists( $this->getNamespace() ) ) {
|
|
// Uses canonical namespace name
|
|
$namespaceKey = MWNamespace::getCanonicalName( $namespace );
|
|
} else {
|
|
// Uses text of namespace
|
|
$namespaceKey = $this->getSubjectNsText();
|
|
}
|
|
// Makes namespace key lowercase
|
|
$namespaceKey = $wgContLang->lc( $namespaceKey );
|
|
// Uses main
|
|
if ( $namespaceKey == '' ) {
|
|
$namespaceKey = 'main';
|
|
}
|
|
// Changes file to image for backwards compatibility
|
|
if ( $namespaceKey == 'file' ) {
|
|
$namespaceKey = 'image';
|
|
}
|
|
return $prepend . $namespaceKey;
|
|
}
|
|
|
|
/**
|
|
* Returns true if this is a special page.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function isSpecialPage() {
|
|
return $this->getNamespace() == NS_SPECIAL;
|
|
}
|
|
|
|
/**
|
|
* Returns true if this title resolves to the named special page
|
|
*
|
|
* @param $name \type{\string} The special page name
|
|
* @return boolean
|
|
*/
|
|
public function isSpecial( $name ) {
|
|
if ( $this->getNamespace() == NS_SPECIAL ) {
|
|
list( $thisName, /* $subpage */ ) = SpecialPage::resolveAliasWithSubpage( $this->getDBkey() );
|
|
if ( $name == $thisName ) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* If the Title refers to a special page alias which is not the local default,
|
|
*
|
|
* @return \type{Title} A new Title which points to the local default.
|
|
* Otherwise, returns $this.
|
|
*/
|
|
public function fixSpecialName() {
|
|
if ( $this->getNamespace() == NS_SPECIAL ) {
|
|
$canonicalName = SpecialPage::resolveAlias( $this->mDbkeyform );
|
|
if ( $canonicalName ) {
|
|
$localName = SpecialPage::getLocalNameFor( $canonicalName );
|
|
if ( $localName != $this->mDbkeyform ) {
|
|
return Title::makeTitle( NS_SPECIAL, $localName );
|
|
}
|
|
}
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Is this Title in a namespace which contains content?
|
|
* In other words, is this a content page, for the purposes of calculating
|
|
* statistics, etc?
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isContentPage() {
|
|
return MWNamespace::isContent( $this->getNamespace() );
|
|
}
|
|
|
|
/**
|
|
* Get all extant redirects to this Title
|
|
*
|
|
* @param $ns \twotypes{\int,\null} Single namespace to consider;
|
|
* NULL to consider all namespaces
|
|
* @return \type{\arrayof{Title}} Redirects to this title
|
|
*/
|
|
public function getRedirectsHere( $ns = null ) {
|
|
$redirs = array();
|
|
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$where = array(
|
|
'rd_namespace' => $this->getNamespace(),
|
|
'rd_title' => $this->getDBkey(),
|
|
'rd_from = page_id'
|
|
);
|
|
if ( !is_null( $ns ) ) {
|
|
$where['page_namespace'] = $ns;
|
|
}
|
|
|
|
$res = $dbr->select(
|
|
array( 'redirect', 'page' ),
|
|
array( 'page_namespace', 'page_title' ),
|
|
$where,
|
|
__METHOD__
|
|
);
|
|
|
|
|
|
foreach ( $res as $row ) {
|
|
$redirs[] = self::newFromRow( $row );
|
|
}
|
|
return $redirs;
|
|
}
|
|
|
|
/**
|
|
* Check if this Title is a valid redirect target
|
|
*
|
|
* @return \type{\bool}
|
|
*/
|
|
public function isValidRedirectTarget() {
|
|
global $wgInvalidRedirectTargets;
|
|
|
|
// invalid redirect targets are stored in a global array, but explicity disallow Userlogout here
|
|
if ( $this->isSpecial( 'Userlogout' ) ) {
|
|
return false;
|
|
}
|
|
|
|
foreach ( $wgInvalidRedirectTargets as $target ) {
|
|
if ( $this->isSpecial( $target ) ) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get a backlink cache object
|
|
*
|
|
* @return object BacklinkCache
|
|
*/
|
|
function getBacklinkCache() {
|
|
if ( is_null( $this->mBacklinkCache ) ) {
|
|
$this->mBacklinkCache = new BacklinkCache( $this );
|
|
}
|
|
return $this->mBacklinkCache;
|
|
}
|
|
|
|
/**
|
|
* Whether the magic words __INDEX__ and __NOINDEX__ function for
|
|
* this page.
|
|
*
|
|
* @return Boolean
|
|
*/
|
|
public function canUseNoindex() {
|
|
global $wgContentNamespaces, $wgExemptFromUserRobotsControl;
|
|
|
|
$bannedNamespaces = is_null( $wgExemptFromUserRobotsControl )
|
|
? $wgContentNamespaces
|
|
: $wgExemptFromUserRobotsControl;
|
|
|
|
return !in_array( $this->mNamespace, $bannedNamespaces );
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns restriction types for the current Title
|
|
*
|
|
* @return array applicable restriction types
|
|
*/
|
|
public function getRestrictionTypes() {
|
|
global $wgRestrictionTypes;
|
|
$types = $this->exists() ? $wgRestrictionTypes : array( 'create' );
|
|
|
|
if ( $this->getNamespace() == NS_FILE ) {
|
|
$types[] = 'upload';
|
|
}
|
|
|
|
wfRunHooks( 'TitleGetRestrictionTypes', array( $this, &$types ) );
|
|
|
|
return $types;
|
|
}
|
|
|
|
/**
|
|
* Returns the raw sort key to be used for categories, with the specified
|
|
* prefix. This will be fed to Language::convertToSortkey() to get a
|
|
* binary sortkey that can be used for actual sorting.
|
|
*
|
|
* @param $prefix string The prefix to be used, specified using
|
|
* {{defaultsort:}} or like [[Category:Foo|prefix]]. Empty for no
|
|
* prefix.
|
|
* @return string
|
|
*/
|
|
public function getCategorySortkey( $prefix = '' ) {
|
|
$unprefixed = $this->getText();
|
|
if ( $prefix !== '' ) {
|
|
# Separate with a null byte, so the unprefixed part is only used as
|
|
# a tiebreaker when two pages have the exact same prefix -- null
|
|
# sorts before everything else (hopefully).
|
|
return "$prefix\0$unprefixed";
|
|
}
|
|
return $unprefixed;
|
|
}
|
|
}
|