3145 lines
94 KiB
PHP
3145 lines
94 KiB
PHP
<?php
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/**
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* See title.txt
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*
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*/
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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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# Title::newFromTitle maintains a cache to avoid
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# expensive re-normalization of commonly used titles.
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# On a batch operation this can become a memory leak
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# if not bounded. After hitting this many titles,
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# reset the cache.
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define( 'MW_TITLECACHE_MAX', 1000 );
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# Constants for pr_cascade bitfield
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define( 'CASCADE', 1 );
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/**
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* Title class
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* - Represents a title, which may contain an interwiki designation or namespace
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* - Can fetch various kinds of data from the database, albeit inefficiently.
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*
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*/
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class Title {
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/**
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* Static cache variables
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*/
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static private $titleCache=array();
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static private $interwikiCache=array();
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/**
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* All member variables should be considered private
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* Please use the accessor functions
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*/
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/**#@+
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* @private
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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; # 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; # Article ID, fetched from the link cache on demand
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var $mLatestID; # ID of most recent revision
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var $mRestrictions; # Array of groups allowed to edit this article
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var $mCascadeRestriction; # Cascade restrictions on this page to included templates and images?
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var $mRestrictionsExpiry; # 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 $mCascadeRestrictionSources;# Where are the cascading restrictions coming from on this page?
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var $mRestrictionsLoaded; # Boolean for initialisation on demand
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var $mPrefixedText; # Text form including namespace/interwiki, initialised on demand
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var $mDefaultNamespace; # Namespace index when there is no namespace
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# Zero except in {{transclusion}} tags
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var $mWatched; # Is $wgUser watching this page? NULL if unfilled, accessed through userIsWatching()
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var $mLength; # The page length, 0 for special pages
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var $mRedirect; # Is the article at this title a redirect?
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/**#@-*/
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/**
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* Constructor
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* @private
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*/
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/* private */ function __construct() {
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$this->mInterwiki = $this->mUrlform =
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$this->mTextform = $this->mDbkeyform = '';
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$this->mArticleID = -1;
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$this->mNamespace = NS_MAIN;
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$this->mRestrictionsLoaded = false;
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$this->mRestrictions = array();
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# Dont change the following, NS_MAIN is hardcoded in several place
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# See bug #696
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$this->mDefaultNamespace = NS_MAIN;
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$this->mWatched = NULL;
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$this->mLatestID = false;
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$this->mOldRestrictions = false;
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$this->mLength = -1;
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$this->mRedirect = NULL;
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}
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/**
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* Create a new Title from a prefixed DB key
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* @param string $key 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 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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* Create a new Title from text, such as what one would
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* find in a link. Decodes any HTML entities in the text.
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*
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* @param string $text the link text; spaces, prefixes,
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* and an initial ':' indicating the main namespace
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* are accepted
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* @param int $defaultNamespace the namespace to use if
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* none is specified by a prefix
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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[$text];
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}
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/**
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* Convert things like é ā or 〗 into real text...
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*/
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$filteredText = Sanitizer::decodeCharReferences( $text );
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$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( $cachedcount >= MW_TITLECACHE_MAX ) {
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# Avoid memory leaks on mass operations...
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Title::$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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* 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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* @param string $url the title, as might be taken from a URL
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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 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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* @todo This is inefficiently implemented, the page row is requested
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* but not used for anything else
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*
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* @param int $id the page_id corresponding to the Title to create
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* @param int $flags, use GAID_FOR_UPDATE to use master
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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 newFromID( $id, $flags = 0 ) {
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$fname = 'Title::newFromID';
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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_namespace', 'page_title' ),
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array( 'page_id' => $id ), $fname );
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if ( $row !== false ) {
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$title = Title::makeTitle( $row->page_namespace, $row->page_title );
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} else {
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$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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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( 'page', array( 'page_namespace', 'page_title' ),
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'page_id IN (' . $dbr->makeList( $ids ) . ')', __METHOD__ );
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$titles = array();
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while ( $row = $dbr->fetchObject( $res ) ) {
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$titles[] = Title::makeTitle( $row->page_namespace, $row->page_title );
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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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* @param Row $row (needs at least page_title,page_namespace)
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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) ? $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 int $ns the namespace of the article
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* @param string $title the unprefixed database key form
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* @return Title the new object
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*/
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public static function &makeTitle( $ns, $title ) {
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$t = new Title();
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$t->mInterwiki = '';
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$t->mFragment = '';
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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 int $ns the namespace of the article
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* @param string $title the database key form
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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 makeTitleSafe( $ns, $title ) {
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$t = new Title();
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$t->mDbkeyform = Title::makeName( $ns, $title );
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if( $t->secureAndSplit() ) {
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return $t;
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} else {
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return NULL;
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}
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}
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/**
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* Create a new Title for the Main Page
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* @return Title the new object
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*/
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public static function newMainPage() {
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$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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*
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* @param string $text Text with possible redirect
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* @return Title
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*/
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public static function newFromRedirect( $text ) {
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$redir = MagicWord::get( 'redirect' );
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if( $redir->matchStart( trim($text) ) ) {
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// Extract the first link and see if it's usable
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$m = array();
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if( preg_match( '!\[{2}(.*?)(?:\|.*?)?\]{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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// Redirects to Special:Userlogout are not permitted
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if( $title instanceof Title && !$title->isSpecial( 'Userlogout' ) )
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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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* @param int $id the page_id of the article
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* @return Title an object representing the article, or NULL
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* if no such article was found
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* @static
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* @access public
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*/
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function nameOf( $id ) {
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$fname = 'Title::nameOf';
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$dbr = wfGetDB( DB_SLAVE );
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$s = $dbr->selectRow( 'page', array( 'page_namespace','page_title' ), array( 'page_id' => $id ), $fname );
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if ( $s === false ) { return NULL; }
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$n = Title::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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* @return 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 int $ns a namespace index
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* @param string $title text-form main part
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* @return 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->stripForSearch( $title );
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$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 ( $ns == NS_IMAGE ) {
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$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
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* @param int $ns numerical representation of the namespace
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* @param string $title the DB key form the title
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* @return string the prefixed form of the title
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*/
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public static function makeName( $ns, $title ) {
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global $wgContLang;
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$n = $wgContLang->getNsText( $ns );
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return $n == '' ? $title : "$n:$title";
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}
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/**
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* Returns the URL associated with an interwiki prefix
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* @param string $key the interwiki prefix (e.g. "MeatBall")
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* @return the associated URL, containing "$1", which should be
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* replaced by an article title
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* @static (arguably)
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*/
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public function getInterwikiLink( $key ) {
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global $wgMemc, $wgInterwikiExpiry;
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global $wgInterwikiCache, $wgContLang;
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$fname = 'Title::getInterwikiLink';
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$key = $wgContLang->lc( $key );
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$k = wfMemcKey( 'interwiki', $key );
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if( array_key_exists( $k, Title::$interwikiCache ) ) {
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return Title::$interwikiCache[$k]->iw_url;
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}
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if ($wgInterwikiCache) {
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return Title::getInterwikiCached( $key );
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}
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$s = $wgMemc->get( $k );
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# Ignore old keys with no iw_local
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if( $s && isset( $s->iw_local ) && isset($s->iw_trans)) {
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Title::$interwikiCache[$k] = $s;
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return $s->iw_url;
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}
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$dbr = wfGetDB( DB_SLAVE );
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$res = $dbr->select( 'interwiki',
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array( 'iw_url', 'iw_local', 'iw_trans' ),
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array( 'iw_prefix' => $key ), $fname );
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if( !$res ) {
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return '';
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}
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$s = $dbr->fetchObject( $res );
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if( !$s ) {
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# Cache non-existence: create a blank object and save it to memcached
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$s = (object)false;
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$s->iw_url = '';
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$s->iw_local = 0;
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$s->iw_trans = 0;
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}
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$wgMemc->set( $k, $s, $wgInterwikiExpiry );
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Title::$interwikiCache[$k] = $s;
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return $s->iw_url;
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}
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/**
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* Fetch interwiki prefix data from local cache in constant database
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*
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* More logic is explained in DefaultSettings
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*
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* @return string URL of interwiki site
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*/
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public static function getInterwikiCached( $key ) {
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global $wgInterwikiCache, $wgInterwikiScopes, $wgInterwikiFallbackSite;
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static $db, $site;
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if (!$db)
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$db=dba_open($wgInterwikiCache,'r','cdb');
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/* Resolve site name */
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if ($wgInterwikiScopes>=3 and !$site) {
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$site = dba_fetch('__sites:' . wfWikiID(), $db);
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if ($site=="")
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$site = $wgInterwikiFallbackSite;
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}
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$value = dba_fetch( wfMemcKey( $key ), $db);
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if ($value=='' and $wgInterwikiScopes>=3) {
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/* try site-level */
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$value = dba_fetch("_{$site}:{$key}", $db);
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}
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if ($value=='' and $wgInterwikiScopes>=2) {
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/* try globals */
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$value = dba_fetch("__global:{$key}", $db);
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}
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if ($value=='undef')
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$value='';
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$s = (object)false;
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$s->iw_url = '';
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$s->iw_local = 0;
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$s->iw_trans = 0;
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if ($value!='') {
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list($local,$url)=explode(' ',$value,2);
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$s->iw_url=$url;
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$s->iw_local=(int)$local;
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}
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Title::$interwikiCache[wfMemcKey( 'interwiki', $key )] = $s;
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return $s->iw_url;
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}
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/**
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* Determine whether the object refers to a page within
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* this project.
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*
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* @return bool TRUE if this is an in-project interwiki link
|
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* or a wikilink, FALSE otherwise
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*/
|
|
public function isLocal() {
|
|
if ( $this->mInterwiki != '' ) {
|
|
# Make sure key is loaded into cache
|
|
$this->getInterwikiLink( $this->mInterwiki );
|
|
$k = wfMemcKey( 'interwiki', $this->mInterwiki );
|
|
return (bool)(Title::$interwikiCache[$k]->iw_local);
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determine whether the object refers to a page within
|
|
* this project and is transcludable.
|
|
*
|
|
* @return bool TRUE if this is transcludable
|
|
*/
|
|
public function isTrans() {
|
|
if ($this->mInterwiki == '')
|
|
return false;
|
|
# Make sure key is loaded into cache
|
|
$this->getInterwikiLink( $this->mInterwiki );
|
|
$k = wfMemcKey( 'interwiki', $this->mInterwiki );
|
|
return (bool)(Title::$interwikiCache[$k]->iw_trans);
|
|
}
|
|
|
|
/**
|
|
* Escape a text fragment, say from a link, for a URL
|
|
*/
|
|
static function escapeFragmentForURL( $fragment ) {
|
|
$fragment = str_replace( ' ', '_', $fragment );
|
|
$fragment = urlencode( Sanitizer::decodeCharReferences( $fragment ) );
|
|
$replaceArray = array(
|
|
'%3A' => ':',
|
|
'%' => '.'
|
|
);
|
|
return strtr( $fragment, $replaceArray );
|
|
}
|
|
|
|
#----------------------------------------------------------------------------
|
|
# Other stuff
|
|
#----------------------------------------------------------------------------
|
|
|
|
/** Simple accessors */
|
|
/**
|
|
* Get the text form (spaces not underscores) of the main part
|
|
* @return string
|
|
*/
|
|
public function getText() { return $this->mTextform; }
|
|
/**
|
|
* Get the URL-encoded form of the main part
|
|
* @return string
|
|
*/
|
|
public function getPartialURL() { return $this->mUrlform; }
|
|
/**
|
|
* Get the main part with underscores
|
|
* @return string
|
|
*/
|
|
public function getDBkey() { return $this->mDbkeyform; }
|
|
/**
|
|
* Get the namespace index, i.e. one of the NS_xxxx constants
|
|
* @return int
|
|
*/
|
|
public function getNamespace() { return $this->mNamespace; }
|
|
/**
|
|
* Get the namespace text
|
|
* @return string
|
|
*/
|
|
public function getNsText() {
|
|
global $wgContLang, $wgCanonicalNamespaceNames;
|
|
|
|
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( isset( $wgCanonicalNamespaceNames[$this->mNamespace] ) ) {
|
|
return $wgCanonicalNamespaceNames[$this->mNamespace];
|
|
}
|
|
}
|
|
return $wgContLang->getNsText( $this->mNamespace );
|
|
}
|
|
/**
|
|
* Get the DB key with the initial letter case as specified by the user
|
|
*/
|
|
function getUserCaseDBKey() {
|
|
return $this->mUserCaseDBKey;
|
|
}
|
|
/**
|
|
* Get the namespace text of the subject (rather than talk) page
|
|
* @return string
|
|
*/
|
|
public function getSubjectNsText() {
|
|
global $wgContLang;
|
|
return $wgContLang->getNsText( MWNamespace::getSubject( $this->mNamespace ) );
|
|
}
|
|
|
|
/**
|
|
* Get the namespace text of the talk page
|
|
* @return string
|
|
*/
|
|
public function getTalkNsText() {
|
|
global $wgContLang;
|
|
return( $wgContLang->getNsText( MWNamespace::getTalk( $this->mNamespace ) ) );
|
|
}
|
|
|
|
/**
|
|
* Could this title have a corresponding talk page?
|
|
* @return bool
|
|
*/
|
|
public function canTalk() {
|
|
return( MWNamespace::canTalk( $this->mNamespace ) );
|
|
}
|
|
|
|
/**
|
|
* Get the interwiki prefix (or null string)
|
|
* @return string
|
|
*/
|
|
public function getInterwiki() { return $this->mInterwiki; }
|
|
/**
|
|
* Get the Title fragment (i.e. the bit after the #) in text form
|
|
* @return string
|
|
*/
|
|
public function getFragment() { return $this->mFragment; }
|
|
/**
|
|
* Get the fragment in URL form, including the "#" character if there is one
|
|
* @return string
|
|
*/
|
|
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 int
|
|
*/
|
|
public function getDefaultNamespace() { return $this->mDefaultNamespace; }
|
|
|
|
/**
|
|
* Get title for search index
|
|
* @return 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 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 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 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 string Base name
|
|
*/
|
|
public function getBaseText() {
|
|
global $wgNamespacesWithSubpages;
|
|
if( !empty( $wgNamespacesWithSubpages[$this->mNamespace] ) ) {
|
|
$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 );
|
|
} else {
|
|
return $this->getText();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the lowest-level subpage name, i.e. the rightmost part after /
|
|
* @return string Subpage name
|
|
*/
|
|
public function getSubpageText() {
|
|
global $wgNamespacesWithSubpages;
|
|
if( isset( $wgNamespacesWithSubpages[ $this->mNamespace ] ) && $wgNamespacesWithSubpages[ $this->mNamespace ] ) {
|
|
$parts = explode( '/', $this->mTextform );
|
|
return( $parts[ count( $parts ) - 1 ] );
|
|
} else {
|
|
return( $this->mTextform );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get a URL-encoded form of the subpage text
|
|
* @return string URL-encoded subpage name
|
|
*/
|
|
public function getSubpageUrlForm() {
|
|
$text = $this->getSubpageText();
|
|
$text = wfUrlencode( str_replace( ' ', '_', $text ) );
|
|
$text = str_replace( '%28', '(', str_replace( '%29', ')', $text ) ); # Clean up the URL; per below, this might not be safe
|
|
return( $text );
|
|
}
|
|
|
|
/**
|
|
* Get a URL-encoded title (not an actual URL) including interwiki
|
|
* @return string the URL-encoded form
|
|
*/
|
|
public function getPrefixedURL() {
|
|
$s = $this->prefix( $this->mDbkeyform );
|
|
$s = str_replace( ' ', '_', $s );
|
|
|
|
$s = wfUrlencode ( $s ) ;
|
|
|
|
# Cleaning up URL to make it look nice -- is this safe?
|
|
$s = str_replace( '%28', '(', $s );
|
|
$s = str_replace( '%29', ')', $s );
|
|
|
|
return $s;
|
|
}
|
|
|
|
/**
|
|
* Get a real URL referring to this title, with interwiki link and
|
|
* fragment
|
|
*
|
|
* @param string $query an optional query string, not used
|
|
* for interwiki links
|
|
* @param string $variant language variant of url (for sr, zh..)
|
|
* @return string the URL
|
|
*/
|
|
public function getFullURL( $query = '', $variant = false ) {
|
|
global $wgContLang, $wgServer, $wgRequest;
|
|
|
|
if ( '' == $this->mInterwiki ) {
|
|
$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 = $this->getInterwikiLink( $this->mInterwiki );
|
|
|
|
$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 string $query an optional query string; if not specified,
|
|
* $wgArticlePath will be used.
|
|
* @param string $variant language variant of url (for sr, zh..)
|
|
* @return string the URL
|
|
*/
|
|
public function getLocalURL( $query = '', $variant = false ) {
|
|
global $wgArticlePath, $wgScript, $wgServer, $wgRequest;
|
|
global $wgVariantArticlePath, $wgContLang, $wgUser;
|
|
|
|
// internal links should point to same variant as current page (only anonymous users)
|
|
if($variant == false && $wgContLang->hasVariants() && !$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 == false ) {
|
|
$variantArticlePath = "$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 .= '?' . $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 an HTML-escaped version of the URL form, suitable for
|
|
* using in a link, without a server name or fragment
|
|
* @param string $query an optional query string
|
|
* @return 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
|
|
*
|
|
* @return string the URL
|
|
* @param string $query an optional query string
|
|
*/
|
|
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 string $query an optional query string
|
|
* @param string $variant language variant of url (for sr, zh..)
|
|
* @return 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 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 string the text, including any prefixes
|
|
*/
|
|
public function getEscapedText() {
|
|
return htmlspecialchars( $this->getPrefixedText() );
|
|
}
|
|
|
|
/**
|
|
* Is this Title interwiki?
|
|
* @return boolean
|
|
*/
|
|
public function isExternal() { return ( '' != $this->mInterwiki ); }
|
|
|
|
/**
|
|
* Is this page "semi-protected" - the *only* protection is autoconfirm?
|
|
*
|
|
* @param string Action to check (default: edit)
|
|
* @return 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 string $what the action the page is protected from,
|
|
* by default checks move and edit
|
|
* @return boolean
|
|
*/
|
|
public function isProtected( $action = '' ) {
|
|
global $wgRestrictionLevels, $wgRestrictionTypes;
|
|
|
|
# Special pages have inherent protection
|
|
if( $this->getNamespace() == NS_SPECIAL )
|
|
return true;
|
|
|
|
# Check regular protection levels
|
|
foreach( $wgRestrictionTypes 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 $wgUser watching this page?
|
|
* @return boolean
|
|
*/
|
|
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.
|
|
*
|
|
* 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 string $action action that permission needs to be checked for
|
|
* @return boolean
|
|
*/
|
|
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 boolean
|
|
*/
|
|
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 string $action action that permission needs to be checked for
|
|
* @param bool $doExpensiveQueries Set this to false to avoid doing unnecessary queries.
|
|
* @return boolean
|
|
*/
|
|
public function userCan( $action, $doExpensiveQueries = true ) {
|
|
global $wgUser;
|
|
return ( $this->getUserPermissionsErrorsInternal( $action, $wgUser, $doExpensiveQueries ) === array());
|
|
}
|
|
|
|
/**
|
|
* Can $user perform $action on this page?
|
|
*
|
|
* FIXME: This *does not* check throttles (User::pingLimiter()).
|
|
*
|
|
* @param string $action action that permission needs to be checked for
|
|
* @param User $user user to check
|
|
* @param bool $doExpensiveQueries Set this to false to avoid doing unnecessary queries.
|
|
* @return array Array of arrays of the arguments to wfMsg to explain permissions problems.
|
|
*/
|
|
public function getUserPermissionsErrors( $action, $user, $doExpensiveQueries = true ) {
|
|
$errors = $this->getUserPermissionsErrorsInternal( $action, $user, $doExpensiveQueries );
|
|
|
|
global $wgContLang;
|
|
global $wgLang;
|
|
global $wgEmailConfirmToEdit;
|
|
|
|
if ( $wgEmailConfirmToEdit && !$user->isEmailConfirmed() ) {
|
|
$errors[] = array( 'confirmedittext' );
|
|
}
|
|
|
|
if ( $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( $option, ':' ) == false )
|
|
continue;
|
|
|
|
list ($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 string $action action that permission needs to be checked for
|
|
* @param User $user user to check
|
|
* @param bool $doExpensiveQueries Set this to false to avoid doing unnecessary queries.
|
|
* @return array Array of arrays of the arguments to wfMsg to explain permissions problems.
|
|
*/
|
|
private function getUserPermissionsErrorsInternal( $action, $user, $doExpensiveQueries = true ) {
|
|
wfProfileIn( __METHOD__ );
|
|
|
|
$errors = array();
|
|
|
|
// Use getUserPermissionsErrors instead
|
|
if ( !wfRunHooks( 'userCan', array( &$this, &$user, $action, &$result ) ) ) {
|
|
wfProfileOut( __METHOD__ );
|
|
return $result ? array() : array( array( 'badaccess-group0' ) );
|
|
}
|
|
|
|
if (!wfRunHooks( 'getUserPermissionsErrors', array( &$this, &$user, $action, &$result ) ) ) {
|
|
if ($result != array() && is_array($result) && !is_array($result[0]))
|
|
$errors[] = $result; # A single array representing an error
|
|
else if (is_array($result) && is_array($result[0]))
|
|
$errors = array_merge( $errors, $result ); # A nested array representing multiple errors
|
|
else if ($result != '' && $result != null && $result !== true && $result !== false)
|
|
$errors[] = array($result); # A string representing a message-id
|
|
else if ($result === false )
|
|
$errors[] = array('badaccess-group0'); # a generic "We don't want them to do that"
|
|
}
|
|
if ($doExpensiveQueries && !wfRunHooks( 'getUserPermissionsErrorsExpensive', array( &$this, &$user, $action, &$result ) ) ) {
|
|
if ($result != array() && is_array($result) && !is_array($result[0]))
|
|
$errors[] = $result; # A single array representing an error
|
|
else if (is_array($result) && is_array($result[0]))
|
|
$errors = array_merge( $errors, $result ); # A nested array representing multiple errors
|
|
else if ($result != '' && $result != null && $result !== true && $result !== false)
|
|
$errors[] = array($result); # A string representing a message-id
|
|
else if ($result === false )
|
|
$errors[] = array('badaccess-group0'); # a generic "We don't want them to do that"
|
|
}
|
|
|
|
if( NS_SPECIAL == $this->mNamespace ) {
|
|
$errors[] = array('ns-specialprotected');
|
|
}
|
|
|
|
if ( $this->isNamespaceProtected() ) {
|
|
$ns = $this->getNamespace() == NS_MAIN
|
|
? wfMsg( 'nstab-main' )
|
|
: $this->getNsText();
|
|
$errors[] = (NS_MEDIAWIKI == $this->mNamespace
|
|
? array('protectedinterface')
|
|
: array( 'namespaceprotected', $ns ) );
|
|
}
|
|
|
|
if( $this->mDbkeyform == '_' ) {
|
|
# FIXME: Is this necessary? Shouldn't be allowed anyway...
|
|
$errors[] = array('badaccess-group0');
|
|
}
|
|
|
|
# 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->userCanEditCssJsSubpage() from working
|
|
if( $this->isCssJsSubpage()
|
|
&& !$user->isAllowed('editusercssjs')
|
|
&& !preg_match('/^'.preg_quote($user->getName(), '/').'\//', $this->mTextform) ) {
|
|
$errors[] = array('customcssjsprotected');
|
|
}
|
|
|
|
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( $cascadingSources > 0 && isset($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 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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 {
|
|
//Nothing, user can edit!
|
|
}
|
|
} else {
|
|
$errors[] = array( 'protectedpagetext', $right );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($action == 'protect') {
|
|
if ($this->getUserPermissionsErrors('edit', $user) != array()) {
|
|
$errors[] = array( 'protect-cantedit' ); // If they can't edit, they shouldn't protect.
|
|
}
|
|
}
|
|
|
|
if ($action == 'create') {
|
|
$title_protection = $this->getTitleProtection();
|
|
|
|
if (is_array($title_protection)) {
|
|
extract($title_protection);
|
|
|
|
if ($pt_create_perm == 'sysop')
|
|
$pt_create_perm = 'protect';
|
|
|
|
if ($pt_create_perm == '' || !$user->isAllowed($pt_create_perm)) {
|
|
$errors[] = array ( 'titleprotected', User::whoIs($pt_user), $pt_reason );
|
|
}
|
|
}
|
|
|
|
if( ( $this->isTalkPage() && !$user->isAllowed( 'createtalk' ) ) ||
|
|
( !$this->isTalkPage() && !$user->isAllowed( 'createpage' ) ) ) {
|
|
$errors[] = $user->isAnon() ? array ('nocreatetext') : array ('nocreate-loggedin');
|
|
}
|
|
} elseif( $action == 'move' && !( $this->isMovable() && $user->isAllowed( 'move' ) ) ) {
|
|
$errors[] = $user->isAnon() ? array ( 'movenologintext' ) : array ('movenotallowed');
|
|
} elseif ( !$user->isAllowed( $action ) ) {
|
|
$return = null;
|
|
$groups = array();
|
|
global $wgGroupPermissions;
|
|
foreach( $wgGroupPermissions as $key => $value ) {
|
|
if( isset( $value[$action] ) && $value[$action] == true ) {
|
|
$groupName = User::getGroupName( $key );
|
|
$groupPage = User::getGroupPage( $key );
|
|
if( $groupPage ) {
|
|
$groups[] = '[['.$groupPage->getPrefixedText().'|'.$groupName.']]';
|
|
} else {
|
|
$groups[] = $groupName;
|
|
}
|
|
}
|
|
}
|
|
$n = count( $groups );
|
|
$groups = implode( ', ', $groups );
|
|
switch( $n ) {
|
|
case 0:
|
|
case 1:
|
|
case 2:
|
|
$return = array( "badaccess-group$n", $groups );
|
|
break;
|
|
default:
|
|
$return = array( 'badaccess-groups', $groups );
|
|
}
|
|
$errors[] = $return;
|
|
}
|
|
|
|
wfProfileOut( __METHOD__ );
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Is this title subject to title protection?
|
|
* @return 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;
|
|
}
|
|
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$res = $dbr->select( 'protected_titles', '*',
|
|
array ('pt_namespace' => $this->getNamespace(), 'pt_title' => $this->getDBkey()) );
|
|
|
|
if ($row = $dbr->fetchRow( $res )) {
|
|
return $row;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public function updateTitleProtection( $create_perm, $reason, $expiry ) {
|
|
global $wgGroupPermissions,$wgUser,$wgContLang;
|
|
|
|
if ($create_perm == implode(',',$this->getRestrictions('create'))
|
|
&& $expiry == $this->mRestrictionsExpiry) {
|
|
// No change
|
|
return true;
|
|
}
|
|
|
|
list ($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( $expiry ) ).')';
|
|
}
|
|
|
|
# Update protection table
|
|
if ($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
|
|
$log = new LogPage( 'protect' );
|
|
|
|
if( $create_perm ) {
|
|
$log->addEntry( $this->mRestrictions['create'] ? 'modify' : 'protect', $this, trim( $reason . " [create=$create_perm] $expiry_description" ) );
|
|
} 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__ );
|
|
}
|
|
|
|
/**
|
|
* Can $wgUser edit this page?
|
|
* @return boolean
|
|
* @deprecated use userCan('edit')
|
|
*/
|
|
public function userCanEdit( $doExpensiveQueries = true ) {
|
|
return $this->userCan( 'edit', $doExpensiveQueries );
|
|
}
|
|
|
|
/**
|
|
* Can $wgUser create this page?
|
|
* @return boolean
|
|
* @deprecated use userCan('create')
|
|
*/
|
|
public function userCanCreate( $doExpensiveQueries = true ) {
|
|
return $this->userCan( 'create', $doExpensiveQueries );
|
|
}
|
|
|
|
/**
|
|
* Can $wgUser move this page?
|
|
* @return boolean
|
|
* @deprecated use userCan('move')
|
|
*/
|
|
public function userCanMove( $doExpensiveQueries = true ) {
|
|
return $this->userCan( 'move', $doExpensiveQueries );
|
|
}
|
|
|
|
/**
|
|
* Would anybody with sufficient privileges be able to move this page?
|
|
* Some pages just aren't movable.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function isMovable() {
|
|
return MWNamespace::isMovable( $this->getNamespace() )
|
|
&& $this->getInterwiki() == '';
|
|
}
|
|
|
|
/**
|
|
* Can $wgUser read this page?
|
|
* @return boolean
|
|
* @todo fold these checks into userCan()
|
|
*/
|
|
public function userCanRead() {
|
|
global $wgUser, $wgGroupPermissions;
|
|
|
|
$result = null;
|
|
wfRunHooks( 'userCan', array( &$this, &$wgUser, 'read', &$result ) );
|
|
if ( $result !== null ) {
|
|
return $result;
|
|
}
|
|
|
|
# Shortcut for public wikis, allows skipping quite a bit of code
|
|
if ($wgGroupPermissions['*']['read'])
|
|
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();
|
|
if( in_array( $name, $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 bool
|
|
*/
|
|
public function isTalkPage() {
|
|
return MWNamespace::isTalk( $this->getNamespace() );
|
|
}
|
|
|
|
/**
|
|
* Is this a subpage?
|
|
* @return bool
|
|
*/
|
|
public function isSubpage() {
|
|
global $wgNamespacesWithSubpages;
|
|
|
|
if( isset( $wgNamespacesWithSubpages[ $this->mNamespace ] ) ) {
|
|
return ( strpos( $this->getText(), '/' ) !== false && $wgNamespacesWithSubpages[ $this->mNamespace ] == true );
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Could this page contain custom CSS or JavaScript, based
|
|
* on the title?
|
|
*
|
|
* @return 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 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
|
|
*/
|
|
public function isValidCssJsSubpage() {
|
|
if ( $this->isCssJsSubpage() ) {
|
|
$skinNames = Skin::getSkinNames();
|
|
return array_key_exists( $this->getSkinFromCssJsSubpage(), $skinNames );
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
/**
|
|
* Trim down a .css or .js subpage title to get the corresponding skin name
|
|
*/
|
|
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 bool
|
|
*/
|
|
public function isCssSubpage() {
|
|
return ( NS_USER == $this->mNamespace && preg_match("/\\/.*\\.css$/", $this->mTextform ) );
|
|
}
|
|
/**
|
|
* Is this a .js subpage of a user page?
|
|
* @return bool
|
|
*/
|
|
public function isJsSubpage() {
|
|
return ( NS_USER == $this->mNamespace && preg_match("/\\/.*\\.js$/", $this->mTextform ) );
|
|
}
|
|
/**
|
|
* Protect css/js subpages of user pages: can $wgUser edit
|
|
* this page?
|
|
*
|
|
* @return boolean
|
|
* @todo XXX: this might be better using restrictions
|
|
*/
|
|
public function userCanEditCssJsSubpage() {
|
|
global $wgUser;
|
|
return ( $wgUser->isAllowed('editusercssjs') || preg_match('/^'.preg_quote($wgUser->getName(), '/').'\//', $this->mTextform) );
|
|
}
|
|
|
|
/**
|
|
* Cascading protection: Return true if cascading restrictions apply to this page, false if not.
|
|
*
|
|
* @return 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 $get_pages bool Whether or not to retrieve the actual pages that the restrictions have come from.
|
|
* @return array( 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 $get_pages was not set.
|
|
* The restriction array is an array of each type, each of which contains an array of unique groups
|
|
*/
|
|
public function getCascadeProtectionSources( $get_pages = true ) {
|
|
global $wgEnableCascadingProtection, $wgRestrictionTypes;
|
|
|
|
# Define our dimension of restrictions types
|
|
$pagerestrictions = array();
|
|
foreach( $wgRestrictionTypes as $action )
|
|
$pagerestrictions[$action] = array();
|
|
|
|
if (!$wgEnableCascadingProtection)
|
|
return array( false, $pagerestrictions );
|
|
|
|
if ( isset( $this->mCascadeSources ) && $get_pages ) {
|
|
return array( $this->mCascadeSources, $this->mCascadingRestrictions );
|
|
} else if ( isset( $this->mHasCascadingRestrictions ) && !$get_pages ) {
|
|
return array( $this->mHasCascadingRestrictions, $pagerestrictions );
|
|
}
|
|
|
|
wfProfileIn( __METHOD__ );
|
|
|
|
$dbr = wfGetDb( DB_SLAVE );
|
|
|
|
if ( $this->getNamespace() == NS_IMAGE ) {
|
|
$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 ( $get_pages ) {
|
|
$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 = $get_pages ? array() : false;
|
|
$now = wfTimestampNow();
|
|
$purgeExpired = false;
|
|
|
|
while( $row = $dbr->fetchObject( $res ) ) {
|
|
$expiry = Block::decodeExpiry( $row->pr_expiry );
|
|
if( $expiry > $now ) {
|
|
if ($get_pages) {
|
|
$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[$row->pr_type]) && !in_array($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 ( $get_pages ) {
|
|
$this->mCascadeSources = $sources;
|
|
$this->mCascadingRestrictions = $pagerestrictions;
|
|
} else {
|
|
$this->mHasCascadingRestrictions = $sources;
|
|
}
|
|
|
|
return array( $sources, $pagerestrictions );
|
|
}
|
|
|
|
function areRestrictionsCascading() {
|
|
if (!$this->mRestrictionsLoaded) {
|
|
$this->loadRestrictions();
|
|
}
|
|
|
|
return $this->mCascadeRestriction;
|
|
}
|
|
|
|
/**
|
|
* Loads a string into mRestrictions array
|
|
* @param resource $res restrictions as an SQL result.
|
|
*/
|
|
private function loadRestrictionsFromRow( $res, $oldFashionedRestrictions = NULL ) {
|
|
global $wgRestrictionTypes;
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
|
|
foreach( $wgRestrictionTypes as $type ){
|
|
$this->mRestrictions[$type] = array();
|
|
}
|
|
|
|
$this->mCascadeRestriction = false;
|
|
$this->mRestrictionsExpiry = Block::decodeExpiry('');
|
|
|
|
# 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( $dbr->numRows( $res ) ) {
|
|
# Current system - load second to make them override.
|
|
$now = wfTimestampNow();
|
|
$purgeExpired = false;
|
|
|
|
while ($row = $dbr->fetchObject( $res ) ) {
|
|
# Cycle through all the restrictions.
|
|
|
|
// Don't take care of restrictions types that aren't in $wgRestrictionTypes
|
|
if( !in_array( $row->pr_type, $wgRestrictionTypes ) )
|
|
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 = $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;
|
|
}
|
|
|
|
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->loadRestrictionsFromRow( $res, $oldFashionedRestrictions );
|
|
} else {
|
|
$title_protection = $this->getTitleProtection();
|
|
|
|
if (is_array($title_protection)) {
|
|
extract($title_protection);
|
|
|
|
$now = wfTimestampNow();
|
|
$expiry = Block::decodeExpiry($pt_expiry);
|
|
|
|
if (!$expiry || $expiry > $now) {
|
|
// Apply the restrictions
|
|
$this->mRestrictionsExpiry = $expiry;
|
|
$this->mRestrictions['create'] = explode(',', trim($pt_create_perm) );
|
|
} else { // Get rid of the old restrictions
|
|
Title::purgeExpiredRestrictions();
|
|
}
|
|
}
|
|
$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 string $action action that permission needs to be checked for
|
|
* @return array 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();
|
|
}
|
|
|
|
/**
|
|
* Is there a version of this page in the deletion archive?
|
|
* @return int the number of archived revisions
|
|
*/
|
|
public function isDeleted() {
|
|
$fname = 'Title::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() ), $fname );
|
|
if( $this->getNamespace() == NS_IMAGE ) {
|
|
$n += $dbr->selectField( 'filearchive', 'COUNT(*)',
|
|
array( 'fa_name' => $this->getDBkey() ), $fname );
|
|
}
|
|
}
|
|
return (int)$n;
|
|
}
|
|
|
|
/**
|
|
* Get the article ID for this Title from the link cache,
|
|
* adding it if necessary
|
|
* @param int $flags a bit field; may be GAID_FOR_UPDATE to select
|
|
* for update
|
|
* @return int the ID
|
|
*/
|
|
public function getArticleID( $flags = 0 ) {
|
|
$linkCache = LinkCache::singleton();
|
|
if ( $flags & GAID_FOR_UPDATE ) {
|
|
$oldUpdate = $linkCache->forUpdate( true );
|
|
$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 int $flags a bit field; may be GAID_FOR_UPDATE to select for update
|
|
* @return bool
|
|
*/
|
|
public function isRedirect( $flags = 0 ) {
|
|
if( !is_null($this->mRedirect) )
|
|
return $this->mRedirect;
|
|
# Zero for special pages.
|
|
# Also, calling getArticleID() loads the field from cache!
|
|
if( !$this->getArticleID($flags) || $this->getNamespace() == NS_SPECIAL ) {
|
|
return 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 int $flags a bit field; may be GAID_FOR_UPDATE to select for update
|
|
* @return bool
|
|
*/
|
|
public function getLength( $flags = 0 ) {
|
|
if( $this->mLength != -1 )
|
|
return $this->mLength;
|
|
# Zero for special pages.
|
|
# Also, calling getArticleID() loads the field from cache!
|
|
if( !$this->getArticleID($flags) || $this->getNamespace() == NS_SPECIAL ) {
|
|
return 0;
|
|
}
|
|
$linkCache = LinkCache::singleton();
|
|
$this->mLength = intval( $linkCache->getGoodLinkFieldObj( $this, 'length' ) );
|
|
|
|
return $this->mLength;
|
|
}
|
|
|
|
/**
|
|
* What is the page_latest field for this page?
|
|
* @param int $flags a bit field; may be GAID_FOR_UPDATE to select for update
|
|
* @return int
|
|
*/
|
|
public function getLatestRevID( $flags = 0 ) {
|
|
if ($this->mLatestID !== false)
|
|
return $this->mLatestID;
|
|
|
|
$db = ($flags & GAID_FOR_UPDATE) ? wfGetDB(DB_MASTER) : wfGetDB(DB_SLAVE);
|
|
return $this->mLatestID = $db->selectField( 'revision',
|
|
"max(rev_id)",
|
|
array('rev_page' => $this->getArticleID()),
|
|
'Title::getLatestRevID' );
|
|
}
|
|
|
|
/**
|
|
* This clears some fields in this object, and clears any associated
|
|
* keys in the "bad links" section of the link cache.
|
|
*
|
|
* - This is called from Article::insertNewArticle() to allow
|
|
* loading of the new page_id. It's also called from
|
|
* Article::doDeleteArticle()
|
|
*
|
|
* @param int $newid the new Article ID
|
|
*/
|
|
public function resetArticleID( $newid ) {
|
|
$linkCache = LinkCache::singleton();
|
|
$linkCache->clearBadLink( $this->getPrefixedDBkey() );
|
|
|
|
if ( 0 == $newid ) { $this->mArticleID = -1; }
|
|
else { $this->mArticleID = $newid; }
|
|
$this->mRestrictionsLoaded = false;
|
|
$this->mRestrictions = array();
|
|
}
|
|
|
|
/**
|
|
* Updates page_touched for this page; called from LinksUpdate.php
|
|
* @return bool true if the update succeded
|
|
*/
|
|
public function invalidateCache() {
|
|
global $wgUseFileCache;
|
|
|
|
if ( wfReadOnly() ) {
|
|
return;
|
|
}
|
|
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
$success = $dbw->update( 'page',
|
|
array( /* SET */
|
|
'page_touched' => $dbw->timestamp()
|
|
), array( /* WHERE */
|
|
'page_namespace' => $this->getNamespace() ,
|
|
'page_title' => $this->getDBkey()
|
|
), 'Title::invalidateCache'
|
|
);
|
|
|
|
if ($wgUseFileCache) {
|
|
$cache = new HTMLFileCache($this);
|
|
@unlink($cache->fileCacheName());
|
|
}
|
|
|
|
return $success;
|
|
}
|
|
|
|
/**
|
|
* Prefix some arbitrary text with the namespace or interwiki prefix
|
|
* of this object
|
|
*
|
|
* @param string $name the text
|
|
* @return 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;
|
|
}
|
|
|
|
/**
|
|
* 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 bool true on success
|
|
*/
|
|
private function secureAndSplit() {
|
|
global $wgContLang, $wgLocalInterwiki, $wgCapitalLinks;
|
|
|
|
# Initialisation
|
|
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';
|
|
}
|
|
|
|
$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 = str_replace( "\xE2\x80\x8E", '', $dbkey ); // 200E LEFT-TO-RIGHT MARK
|
|
$dbkey = str_replace( "\xE2\x80\x8F", '', $dbkey ); // 200F RIGHT-TO-LEFT MARK
|
|
|
|
# Clean up whitespace
|
|
#
|
|
$dbkey = preg_replace( '/[ _]+/', '_', $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;
|
|
do {
|
|
$m = array();
|
|
if ( preg_match( "/^(.+?)_*:_*(.*)$/S", $dbkey, $m ) ) {
|
|
$p = $m[1];
|
|
if ( $ns = $wgContLang->getNsIndex( $p )) {
|
|
# Ordinary namespace
|
|
$dbkey = $m[2];
|
|
$this->mNamespace = $ns;
|
|
} elseif( $this->getInterwikiLink( $p ) ) {
|
|
if( !$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( $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 unreachable due to the way web browsers deal
|
|
* with 'relative' URLs. 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( $wgCapitalLinks && $this->mInterwiki == '') {
|
|
$dbkey = $wgContLang->ucfirst( $dbkey );
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
// Normalise special page names
|
|
if ( $this->mNamespace == NS_SPECIAL ) {
|
|
list( $name, $subpage ) = SpecialPage::resolveAliasWithSubpage( $dbkey );
|
|
$dbkey = SpecialPage::getLocalNameFor( $name, $subpage );
|
|
}
|
|
|
|
|
|
# Fill fields
|
|
$this->mDbkeyform = $dbkey;
|
|
$this->mUrlform = wfUrlencode( $dbkey );
|
|
|
|
$this->mTextform = str_replace( '_', ' ', $dbkey );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Set the fragment for this title
|
|
* This is kind of bad, since except for this rarely-used function, Title objects
|
|
* are immutable. The reason this is here is because it's better than setting the
|
|
* members directly, which is what Linker::formatComment was doing previously.
|
|
*
|
|
* @param string $fragment text
|
|
* @todo clarify whether access is supposed to be public (was marked as "kind of public")
|
|
*/
|
|
public function setFragment( $fragment ) {
|
|
$this->mFragment = str_replace( '_', ' ', substr( $fragment, 1 ) );
|
|
}
|
|
|
|
/**
|
|
* Get a Title object associated with the talk page of this article
|
|
* @return 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 Title the object for the subject page
|
|
*/
|
|
public function getSubjectPage() {
|
|
return Title::makeTitle( MWNamespace::getSubject( $this->getNamespace() ), $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 string $options may be FOR UPDATE
|
|
* @return array the Title objects linking here
|
|
*/
|
|
public function getLinksTo( $options = '', $table = 'pagelinks', $prefix = 'pl' ) {
|
|
$linkCache = LinkCache::singleton();
|
|
|
|
if ( $options ) {
|
|
$db = wfGetDB( DB_MASTER );
|
|
} else {
|
|
$db = wfGetDB( DB_SLAVE );
|
|
}
|
|
|
|
$res = $db->select( array( 'page', $table ),
|
|
array( 'page_namespace', 'page_title', 'page_id', 'page_len', 'page_is_redirect' ),
|
|
array(
|
|
"{$prefix}_from=page_id",
|
|
"{$prefix}_namespace" => $this->getNamespace(),
|
|
"{$prefix}_title" => $this->getDBkey() ),
|
|
'Title::getLinksTo',
|
|
$options );
|
|
|
|
$retVal = array();
|
|
if ( $db->numRows( $res ) ) {
|
|
while ( $row = $db->fetchObject( $res ) ) {
|
|
if ( $titleObj = Title::makeTitle( $row->page_namespace, $row->page_title ) ) {
|
|
$linkCache->addGoodLinkObj( $row->page_id, $titleObj, $row->page_len, $row->page_is_redirect );
|
|
$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 string $options may be FOR UPDATE
|
|
* @return array the Title objects linking here
|
|
*/
|
|
public function getTemplateLinksTo( $options = '' ) {
|
|
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)
|
|
* @param string $options may be FOR UPDATE
|
|
* @return array the Title objects
|
|
*/
|
|
public function getBrokenLinksFrom( $options = '' ) {
|
|
if ( $this->getArticleId() == 0 ) {
|
|
# All links from article ID 0 are false positives
|
|
return array();
|
|
}
|
|
|
|
if ( $options ) {
|
|
$db = wfGetDB( DB_MASTER );
|
|
} else {
|
|
$db = wfGetDB( DB_SLAVE );
|
|
}
|
|
|
|
$res = $db->safeQuery(
|
|
"SELECT pl_namespace, pl_title
|
|
FROM !
|
|
LEFT JOIN !
|
|
ON pl_namespace=page_namespace
|
|
AND pl_title=page_title
|
|
WHERE pl_from=?
|
|
AND page_namespace IS NULL
|
|
!",
|
|
$db->tableName( 'pagelinks' ),
|
|
$db->tableName( 'page' ),
|
|
$this->getArticleId(),
|
|
$options );
|
|
|
|
$retVal = array();
|
|
if ( $db->numRows( $res ) ) {
|
|
while ( $row = $db->fetchObject( $res ) ) {
|
|
$retVal[] = Title::makeTitle( $row->pl_namespace, $row->pl_title );
|
|
}
|
|
}
|
|
$db->freeResult( $res );
|
|
return $retVal;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get a list of URLs to purge from the Squid cache when this
|
|
* page changes
|
|
*
|
|
* @return array 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 $vCode){
|
|
if($vCode==$wgContLang->getCode()) continue; // we don't want default variant
|
|
$urls[] = $this->getInternalURL('',$vCode);
|
|
}
|
|
}
|
|
|
|
return $urls;
|
|
}
|
|
|
|
public function purgeSquid() {
|
|
global $wgUseSquid;
|
|
if ( $wgUseSquid ) {
|
|
$urls = $this->getSquidURLs();
|
|
$u = new SquidUpdate( $urls );
|
|
$u->doUpdate();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Move this page without authentication
|
|
* @param Title &$nt the new page Title
|
|
*/
|
|
public function moveNoAuth( &$nt ) {
|
|
return $this->moveTo( $nt, false );
|
|
}
|
|
|
|
/**
|
|
* Check whether a given move operation would be valid.
|
|
* Returns true if ok, or a message key string for an error message
|
|
* if invalid. (Scarrrrry ugly interface this.)
|
|
* @param Title &$nt the new title
|
|
* @param bool $auth indicates whether $wgUser's permissions
|
|
* should be checked
|
|
* @return mixed true on success, message name on failure
|
|
*/
|
|
public function isValidMoveOperation( &$nt, $auth = true ) {
|
|
if( !$this or !$nt ) {
|
|
return 'badtitletext';
|
|
}
|
|
if( $this->equals( $nt ) ) {
|
|
return 'selfmove';
|
|
}
|
|
if( !$this->isMovable() || !$nt->isMovable() ) {
|
|
return 'immobile_namespace';
|
|
}
|
|
|
|
$oldid = $this->getArticleID();
|
|
$newid = $nt->getArticleID();
|
|
|
|
if ( strlen( $nt->getDBkey() ) < 1 ) {
|
|
return 'articleexists';
|
|
}
|
|
if ( ( '' == $this->getDBkey() ) ||
|
|
( !$oldid ) ||
|
|
( '' == $nt->getDBkey() ) ) {
|
|
return 'badarticleerror';
|
|
}
|
|
|
|
// Image-specific checks
|
|
if( $this->getNamespace() == NS_IMAGE ) {
|
|
$file = wfLocalFile( $this );
|
|
if( $file->exists() ) {
|
|
if( $nt->getNamespace() != NS_IMAGE ) {
|
|
return 'imagenocrossnamespace';
|
|
}
|
|
if( !File::checkExtensionCompatibility( $file, $nt->getDbKey() ) ) {
|
|
return 'imagetypemismatch';
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( $auth ) {
|
|
global $wgUser;
|
|
$errors = array_merge($this->getUserPermissionsErrors('move', $wgUser),
|
|
$this->getUserPermissionsErrors('edit', $wgUser),
|
|
$nt->getUserPermissionsErrors('move', $wgUser),
|
|
$nt->getUserPermissionsErrors('edit', $wgUser));
|
|
if($errors !== array())
|
|
return $errors[0][0];
|
|
}
|
|
|
|
global $wgUser;
|
|
$err = null;
|
|
if( !wfRunHooks( 'AbortMove', array( $this, $nt, $wgUser, &$err ) ) ) {
|
|
return 'hookaborted';
|
|
}
|
|
|
|
# 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 ) ) {
|
|
return 'articleexists';
|
|
}
|
|
} else {
|
|
$tp = $nt->getTitleProtection();
|
|
$right = ( $tp['pt_create_perm'] == 'sysop' ) ? 'protect' : $tp['pt_create_perm'];
|
|
if ( $tp and !$wgUser->isAllowed( $right ) ) {
|
|
return 'cantmove-titleprotected';
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Move a title to a new location
|
|
* @param Title &$nt the new title
|
|
* @param bool $auth indicates whether $wgUser's permissions
|
|
* should be checked
|
|
* @param string $reason The reason for the move
|
|
* @param bool $createRedirect Whether to create a redirect from the old title to the new title.
|
|
* Ignored if the user doesn't have the suppressredirect right.
|
|
* @return mixed true on success, message name on failure
|
|
*/
|
|
public function moveTo( &$nt, $auth = true, $reason = '', $createRedirect = true ) {
|
|
$err = $this->isValidMoveOperation( $nt, $auth );
|
|
if( is_string( $err ) ) {
|
|
return $err;
|
|
}
|
|
|
|
$pageid = $this->getArticleID();
|
|
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_string( $err ) ) {
|
|
return $err;
|
|
}
|
|
$redirid = $this->getArticleID();
|
|
|
|
// Category memberships include a sort key which may be customized.
|
|
// If it's left as the default (the page title), we need to update
|
|
// the sort key to match the new title.
|
|
//
|
|
// Be careful to avoid resetting cl_timestamp, which may disturb
|
|
// time-based lists on some sites.
|
|
//
|
|
// Warning -- if the sort key is *explicitly* set to the old title,
|
|
// we can't actually distinguish it from a default here, and it'll
|
|
// be set to the new title even though it really shouldn't.
|
|
// It'll get corrected on the next edit, but resetting cl_timestamp.
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
$dbw->update( 'categorylinks',
|
|
array(
|
|
'cl_sortkey' => $nt->getPrefixedText(),
|
|
'cl_timestamp=cl_timestamp' ),
|
|
array(
|
|
'cl_from' => $pageid,
|
|
'cl_sortkey' => $this->getPrefixedText() ),
|
|
__METHOD__ );
|
|
|
|
# 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
|
|
if( $nt->getNamespace() == NS_MEDIAWIKI ) {
|
|
global $wgMessageCache;
|
|
$oldarticle = new Article( $this );
|
|
$wgMessageCache->replace( $this->getDBkey(), $oldarticle->getContent() );
|
|
$newarticle = new Article( $nt );
|
|
$wgMessageCache->replace( $nt->getDBkey(), $newarticle->getContent() );
|
|
}
|
|
|
|
global $wgUser;
|
|
wfRunHooks( 'TitleMoveComplete', array( &$this, &$nt, &$wgUser, $pageid, $redirid ) );
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Move page to a title which is at present a redirect to the
|
|
* source page
|
|
*
|
|
* @param Title &$nt the page to move to, which should currently
|
|
* be a redirect
|
|
* @param string $reason The reason for the move
|
|
* @param bool $createRedirect Whether to leave a redirect at the old title.
|
|
* Ignored if the user doesn't have the suppressredirect right
|
|
*/
|
|
private function moveOverExistingRedirect( &$nt, $reason = '', $createRedirect = true ) {
|
|
global $wgUseSquid, $wgUser;
|
|
$fname = 'Title::moveOverExistingRedirect';
|
|
$comment = wfMsgForContent( '1movedto2_redir', $this->getPrefixedText(), $nt->getPrefixedText() );
|
|
|
|
if ( $reason ) {
|
|
$comment .= ": $reason";
|
|
}
|
|
|
|
$now = wfTimestampNow();
|
|
$newid = $nt->getArticleID();
|
|
$oldid = $this->getArticleID();
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
|
|
# Move an image if it is
|
|
if( $this->getNamespace() == NS_IMAGE ) {
|
|
$file = wfLocalFile( $this );
|
|
if( $file->exists() ) {
|
|
$status = $file->move( $nt );
|
|
if( !$status->isOk() ) {
|
|
return $status->getWikiText();
|
|
}
|
|
}
|
|
}
|
|
|
|
# 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 ), $fname );
|
|
if ( !$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__ );
|
|
}
|
|
|
|
# Save a null revision in the page's history notifying of the move
|
|
$nullRevision = Revision::newNullRevision( $dbw, $oldid, $comment, true );
|
|
$nullRevId = $nullRevision->insertOn( $dbw );
|
|
|
|
# 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 ),
|
|
$fname
|
|
);
|
|
$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 );
|
|
|
|
# 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 ), $fname );
|
|
$dbw->insert( 'pagelinks',
|
|
array(
|
|
'pl_from' => $newid,
|
|
'pl_namespace' => $nt->getNamespace(),
|
|
'pl_title' => $nt->getDBkey() ),
|
|
$fname );
|
|
} else {
|
|
$this->resetArticleID( 0 );
|
|
}
|
|
|
|
# Log the move
|
|
$log = new LogPage( 'move' );
|
|
$log->addEntry( 'move_redir', $this, $reason, array( 1 => $nt->getPrefixedText() ) );
|
|
|
|
# Purge squid
|
|
if ( $wgUseSquid ) {
|
|
$urls = array_merge( $nt->getSquidURLs(), $this->getSquidURLs() );
|
|
$u = new SquidUpdate( $urls );
|
|
$u->doUpdate();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Move page to non-existing title.
|
|
* @param Title &$nt the new Title
|
|
* @param string $reason The reason for the move
|
|
* @param bool $createRedirect Whether to create a redirect from the old title to the new title
|
|
* Ignored if the user doesn't have the suppressredirect right
|
|
*/
|
|
private function moveToNewTitle( &$nt, $reason = '', $createRedirect = true ) {
|
|
global $wgUseSquid, $wgUser;
|
|
$fname = 'MovePageForm::moveToNewTitle';
|
|
$comment = wfMsgForContent( '1movedto2', $this->getPrefixedText(), $nt->getPrefixedText() );
|
|
if ( $reason ) {
|
|
$comment .= ": $reason";
|
|
}
|
|
|
|
$newid = $nt->getArticleID();
|
|
$oldid = $this->getArticleID();
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
$now = $dbw->timestamp();
|
|
|
|
# Move an image if it is
|
|
if( $this->getNamespace() == NS_IMAGE ) {
|
|
$file = wfLocalFile( $this );
|
|
if( $file->exists() ) {
|
|
$status = $file->move( $nt );
|
|
if( !$status->isOk() ) {
|
|
return $status->getWikiText();
|
|
}
|
|
}
|
|
}
|
|
|
|
# Save a null revision in the page's history notifying of the move
|
|
$nullRevision = Revision::newNullRevision( $dbw, $oldid, $comment, true );
|
|
$nullRevId = $nullRevision->insertOn( $dbw );
|
|
|
|
# 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 ),
|
|
$fname
|
|
);
|
|
$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 );
|
|
|
|
# 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() ),
|
|
$fname );
|
|
} else {
|
|
$this->resetArticleID( 0 );
|
|
}
|
|
|
|
# Log the move
|
|
$log = new LogPage( 'move' );
|
|
$log->addEntry( 'move', $this, $reason, array( 1 => $nt->getPrefixedText()) );
|
|
|
|
# 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();
|
|
}
|
|
|
|
/**
|
|
* Checks if $this can be moved to a given Title
|
|
* - Selects for update, so don't call it unless you mean business
|
|
*
|
|
* @param Title &$nt the new title to check
|
|
*/
|
|
public function isValidMoveTarget( $nt ) {
|
|
|
|
$fname = 'Title::isValidMoveTarget';
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
|
|
# Is it an existsing file?
|
|
if( $nt->getNamespace() == NS_IMAGE ) {
|
|
$file = wfLocalFile( $nt );
|
|
if( $file->exists() ) {
|
|
wfDebug( __METHOD__ . ": file exists\n" );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
# Is it a redirect?
|
|
$id = $nt->getArticleID();
|
|
$obj = $dbw->selectRow( array( 'page', 'revision', 'text'),
|
|
array( 'page_is_redirect','old_text','old_flags' ),
|
|
array( 'page_id' => $id, 'page_latest=rev_id', 'rev_text_id=old_id' ),
|
|
$fname, 'FOR UPDATE' );
|
|
|
|
if ( !$obj || 0 == $obj->page_is_redirect ) {
|
|
# Not a redirect
|
|
wfDebug( __METHOD__ . ": not a redirect\n" );
|
|
return false;
|
|
}
|
|
$text = Revision::getRevisionText( $obj );
|
|
|
|
# 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;
|
|
}
|
|
|
|
# Does the article have a history?
|
|
$row = $dbw->selectRow( array( 'page', 'revision'),
|
|
array( 'rev_id' ),
|
|
array( 'page_namespace' => $nt->getNamespace(),
|
|
'page_title' => $nt->getDBkey(),
|
|
'page_id=rev_page AND page_latest != rev_id'
|
|
), $fname, 'FOR UPDATE'
|
|
);
|
|
|
|
# Return true if there was no history
|
|
return $row === false;
|
|
}
|
|
|
|
/**
|
|
* Can this title be added to a user's watchlist?
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function isWatchable() {
|
|
return !$this->isExternal()
|
|
&& MWNamespace::isWatchable( $this->getNamespace() );
|
|
}
|
|
|
|
/**
|
|
* Get categories to which this Title belongs and return an array of
|
|
* categories' names.
|
|
*
|
|
* @return 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) {
|
|
while ( $x = $dbr->fetchObject ( $res ) )
|
|
//$data[] = Title::newFromText($wgContLang->getNSText ( NS_CATEGORY ).':'.$x->cl_to);
|
|
$data[$wgContLang->getNSText ( NS_CATEGORY ).':'.$x->cl_to] = $this->getFullText();
|
|
$dbr->freeResult ( $res ) ;
|
|
} else {
|
|
$data = array();
|
|
}
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Get a tree of parent categories
|
|
* @param array $children an array with the children in the keys, to check for circular refs
|
|
* @return array
|
|
*/
|
|
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 array
|
|
*/
|
|
public function pageCond() {
|
|
return array( 'page_namespace' => $this->mNamespace, 'page_title' => $this->mDbkeyform );
|
|
}
|
|
|
|
/**
|
|
* Get the revision ID of the previous revision
|
|
*
|
|
* @param integer $revision Revision ID. Get the revision that was before this one.
|
|
* @return integer $oldrevision|false
|
|
*/
|
|
public function getPreviousRevisionID( $revision ) {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
return $dbr->selectField( 'revision', 'rev_id',
|
|
'rev_page=' . intval( $this->getArticleId() ) .
|
|
' AND rev_id<' . intval( $revision ) . ' ORDER BY rev_id DESC' );
|
|
}
|
|
|
|
/**
|
|
* Get the revision ID of the next revision
|
|
*
|
|
* @param integer $revision Revision ID. Get the revision that was after this one.
|
|
* @return integer $oldrevision|false
|
|
*/
|
|
public function getNextRevisionID( $revision ) {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
return $dbr->selectField( 'revision', 'rev_id',
|
|
'rev_page=' . intval( $this->getArticleId() ) .
|
|
' AND rev_id>' . intval( $revision ) . ' ORDER BY rev_id' );
|
|
}
|
|
|
|
/**
|
|
* Get the number of revisions between the given revision IDs.
|
|
* Used for diffs and other things that really need it.
|
|
*
|
|
* @param integer $old Revision ID.
|
|
* @param integer $new Revision ID.
|
|
* @return integer Number of revisions between these IDs.
|
|
*/
|
|
public function countRevisionsBetween( $old, $new ) {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
return $dbr->selectField( 'revision', 'count(*)',
|
|
'rev_page = ' . intval( $this->getArticleId() ) .
|
|
' AND rev_id > ' . intval( $old ) .
|
|
' AND rev_id < ' . intval( $new ),
|
|
__METHOD__,
|
|
array( 'USE INDEX' => 'PRIMARY' ) );
|
|
}
|
|
|
|
/**
|
|
* Compare with another title.
|
|
*
|
|
* @param Title $title
|
|
* @return bool
|
|
*/
|
|
public function equals( $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)
|
|
*/
|
|
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 string
|
|
*/
|
|
public function __toString() {
|
|
return $this->getPrefixedText();
|
|
}
|
|
|
|
/**
|
|
* Check if page exists
|
|
* @return bool
|
|
*/
|
|
public function exists() {
|
|
return $this->getArticleId() != 0;
|
|
}
|
|
|
|
/**
|
|
* Do we know that this title definitely exists, or should we otherwise
|
|
* consider that it exists?
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function isAlwaysKnown() {
|
|
// 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.
|
|
// Also, extension messages which are not loaded, are shown as red, because
|
|
// we don't call MessageCache::loadAllMessages.
|
|
list( $basename, /* rest */ ) = explode( '/', $this->mDbkeyform, 2 );
|
|
return $this->isExternal()
|
|
|| ( $this->mNamespace == NS_MAIN && $this->mDbkeyform == '' )
|
|
|| ( $this->mNamespace == NS_MEDIAWIKI && wfMsgWeirdKey( $basename ) );
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
*/
|
|
public function getTouched() {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$touched = $dbr->selectField( 'page', 'page_touched',
|
|
array(
|
|
'page_namespace' => $this->getNamespace(),
|
|
'page_title' => $this->getDBkey()
|
|
), __METHOD__
|
|
);
|
|
return $touched;
|
|
}
|
|
|
|
public function trackbackURL() {
|
|
global $wgTitle, $wgScriptPath, $wgServer;
|
|
|
|
return "$wgServer$wgScriptPath/trackback.php?article="
|
|
. htmlspecialchars(urlencode($wgTitle->getPrefixedDBkey()));
|
|
}
|
|
|
|
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
|
|
* @return string
|
|
*/
|
|
public function getNamespaceKey() {
|
|
global $wgContLang;
|
|
switch ($this->getNamespace()) {
|
|
case NS_MAIN:
|
|
case NS_TALK:
|
|
return 'nstab-main';
|
|
case NS_USER:
|
|
case NS_USER_TALK:
|
|
return 'nstab-user';
|
|
case NS_MEDIA:
|
|
return 'nstab-media';
|
|
case NS_SPECIAL:
|
|
return 'nstab-special';
|
|
case NS_PROJECT:
|
|
case NS_PROJECT_TALK:
|
|
return 'nstab-project';
|
|
case NS_IMAGE:
|
|
case NS_IMAGE_TALK:
|
|
return 'nstab-image';
|
|
case NS_MEDIAWIKI:
|
|
case NS_MEDIAWIKI_TALK:
|
|
return 'nstab-mediawiki';
|
|
case NS_TEMPLATE:
|
|
case NS_TEMPLATE_TALK:
|
|
return 'nstab-template';
|
|
case NS_HELP:
|
|
case NS_HELP_TALK:
|
|
return 'nstab-help';
|
|
case NS_CATEGORY:
|
|
case NS_CATEGORY_TALK:
|
|
return 'nstab-category';
|
|
default:
|
|
return 'nstab-' . $wgContLang->lc( $this->getSubjectNsText() );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns true if this title resolves to the named special page
|
|
* @param string $name The special page name
|
|
*/
|
|
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,
|
|
* returns 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 bool
|
|
*/
|
|
public function isContentPage() {
|
|
return MWNamespace::isContent( $this->getNamespace() );
|
|
}
|
|
|
|
public function getRedirectsHere() {
|
|
$redirs = array();
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
list($page,$redirect) = $dbr->tableNamesN( 'page', 'redirect' );
|
|
$result = $dbr->query( "SELECT page_title, page_namespace FROM $page JOIN $redirect ON page_id = rd_from WHERE rd_title = "
|
|
. $dbr->addQuotes( $this->getDBKey() ) . " AND rd_namespace = " . $this->getNamespace(), __METHOD__ );
|
|
while( $row = $dbr->fetchObject( $result ) ) {
|
|
$redirs[] = self::newFromRow( $row );
|
|
}
|
|
return $redirs;
|
|
}
|
|
}
|