<?php
/**
* See title.txt
- *
- * @package MediaWiki
+ * @file
*/
-/** */
-require_once( 'normal/UtfNormal.php' );
+if ( !class_exists( 'UtfNormal' ) ) {
+ require_once( dirname(__FILE__) . '/normal/UtfNormal.php' );
+}
-$wgTitleInterwikiCache = array();
define ( 'GAID_FOR_UPDATE', 1 );
-# Title::newFromTitle maintains a cache to avoid
-# expensive re-normalization of commonly used titles.
-# On a batch operation this can become a memory leak
-# if not bounded. After hitting this many titles,
-# reset the cache.
-define( 'MW_TITLECACHE_MAX', 1000 );
-
/**
- * Title class
- * - Represents a title, which may contain an interwiki designation or namespace
- * - Can fetch various kinds of data from the database, albeit inefficiently.
- *
- * @package MediaWiki
+ * Represents a title within MediaWiki.
+ * Optionally may contain an interwiki designation or namespace.
+ * @note This class can fetch various kinds of data from the database;
+ * however, it does so inefficiently.
*/
class Title {
- /**
- * All member variables should be considered private
- * Please use the accessor functions
- */
-
- /**#@+
- * @access private
- */
-
- var $mTextform; # Text form (spaces not underscores) of the main part
- var $mUrlform; # URL-encoded form of the main part
- var $mDbkeyform; # Main part with underscores
- var $mNamespace; # Namespace index, i.e. one of the NS_xxxx constants
- var $mInterwiki; # Interwiki prefix (or null string)
- var $mFragment; # Title fragment (i.e. the bit after the #)
- var $mArticleID; # Article ID, fetched from the link cache on demand
- var $mLatestID; # ID of most recent revision
- var $mRestrictions; # Array of groups allowed to edit this article
- # Only null or "sysop" are supported
- var $mRestrictionsLoaded; # Boolean for initialisation on demand
- var $mPrefixedText; # Text form including namespace/interwiki, initialised on demand
- var $mDefaultNamespace; # Namespace index when there is no namespace
- # Zero except in {{transclusion}} tags
- var $mWatched; # Is $wgUser watching this page? NULL if unfilled, accessed through userIsWatching()
- /**#@-*/
+ /** @name Static cache variables */
+ //@{
+ static private $titleCache=array();
+ static private $interwikiCache=array();
+ //@}
+
+ /**
+ * Title::newFromText maintains a cache to avoid expensive re-normalization of
+ * commonly used titles. On a batch operation this can become a memory leak
+ * if not bounded. After hitting this many titles reset the cache.
+ */
+ const CACHE_MAX = 1000;
+
+
+ /**
+ * @name Private member variables
+ * Please use the accessor functions instead.
+ * @private
+ */
+ //@{
+
+ var $mTextform = ''; ///< Text form (spaces not underscores) of the main part
+ var $mUrlform = ''; ///< URL-encoded form of the main part
+ var $mDbkeyform = ''; ///< Main part with underscores
+ var $mUserCaseDBKey; ///< DB key with the initial letter in the case specified by the user
+ var $mNamespace = NS_MAIN; ///< Namespace index, i.e. one of the NS_xxxx constants
+ var $mInterwiki = ''; ///< Interwiki prefix (or null string)
+ var $mFragment; ///< Title fragment (i.e. the bit after the #)
+ var $mArticleID = -1; ///< Article ID, fetched from the link cache on demand
+ var $mLatestID = false; ///< ID of most recent revision
+ var $mRestrictions = array(); ///< Array of groups allowed to edit this article
+ var $mOldRestrictions = false;
+ var $mCascadeRestriction; ///< Cascade restrictions on this page to included templates and images?
+ var $mRestrictionsExpiry = array(); ///< When do the restrictions on this page expire?
+ var $mHasCascadingRestrictions; ///< Are cascading restrictions in effect on this page?
+ var $mCascadeSources; ///< Where are the cascading restrictions coming from on this page?
+ var $mRestrictionsLoaded = false; ///< Boolean for initialisation on demand
+ var $mPrefixedText; ///< Text form including namespace/interwiki, initialised on demand
+ # Don't change the following default, NS_MAIN is hardcoded in several
+ # places. See bug 696.
+ var $mDefaultNamespace = NS_MAIN; ///< Namespace index when there is no namespace
+ # Zero except in {{transclusion}} tags
+ var $mWatched = null; ///< Is $wgUser watching this page? null if unfilled, accessed through userIsWatching()
+ var $mLength = -1; ///< The page length, 0 for special pages
+ var $mRedirect = null; ///< Is the article at this title a redirect?
+ var $mNotificationTimestamp = array(); ///< Associative array of user ID -> timestamp/false
+ var $mBacklinkCache = null; ///< Cache of links to this title
+ //@}
/**
* Constructor
- * @access private
+ * @private
*/
- /* private */ function Title() {
- $this->mInterwiki = $this->mUrlform =
- $this->mTextform = $this->mDbkeyform = '';
- $this->mArticleID = -1;
- $this->mNamespace = NS_MAIN;
- $this->mRestrictionsLoaded = false;
- $this->mRestrictions = array();
- # Dont change the following, NS_MAIN is hardcoded in several place
- # See bug #696
- $this->mDefaultNamespace = NS_MAIN;
- $this->mWatched = NULL;
- $this->mLatestID = false;
- }
+ /* private */ function __construct() {}
/**
* Create a new Title from a prefixed DB key
- * @param string $key The database key, which has underscores
+ * @param $key \type{\string} The database key, which has underscores
* instead of spaces, possibly including namespace and
* interwiki prefixes
- * @return Title the new object, or NULL on an error
- * @static
- * @access public
+ * @return \type{Title} the new object, or NULL on an error
*/
- /* static */ function newFromDBkey( $key ) {
+ public static function newFromDBkey( $key ) {
$t = new Title();
$t->mDbkeyform = $key;
if( $t->secureAndSplit() )
return $t;
else
- return NULL;
+ return null;
}
/**
- * Create a new Title from text, such as what one would
- * find in a link. Decodes any HTML entities in the text.
+ * Create a new Title from text, such as what one would find in a link. De-
+ * codes any HTML entities in the text.
*
- * @param string $text the link text; spaces, prefixes,
- * and an initial ':' indicating the main namespace
- * are accepted
- * @param int $defaultNamespace the namespace to use if
- * none is specified by a prefix
- * @return Title the new object, or NULL on an error
- * @static
- * @access public
- */
- function newFromText( $text, $defaultNamespace = NS_MAIN ) {
- $fname = 'Title::newFromText';
- wfProfileIn( $fname );
-
+ * @param $text string The link text; spaces, prefixes, and an
+ * initial ':' indicating the main namespace are accepted.
+ * @param $defaultNamespace int The namespace to use if none is speci-
+ * fied by a prefix. If you want to force a specific namespace even if
+ * $text might begin with a namespace prefix, use makeTitle() or
+ * makeTitleSafe().
+ * @return Title The new object, or null on an error.
+ */
+ public static function newFromText( $text, $defaultNamespace = NS_MAIN ) {
if( is_object( $text ) ) {
- wfDebugDieBacktrace( 'Title::newFromText given an object' );
+ throw new MWException( 'Title::newFromText given an object' );
}
/**
*
* In theory these are value objects and won't get changed...
*/
- static $titleCache = array();
- if( $defaultNamespace == NS_MAIN && isset( $titleCache[$text] ) ) {
- wfProfileOut( $fname );
- return $titleCache[$text];
+ if( $defaultNamespace == NS_MAIN && isset( Title::$titleCache[$text] ) ) {
+ return Title::$titleCache[$text];
}
/**
*/
$filteredText = Sanitizer::decodeCharReferences( $text );
- $t =& new Title();
+ $t = new Title();
$t->mDbkeyform = str_replace( ' ', '_', $filteredText );
$t->mDefaultNamespace = $defaultNamespace;
+ static $cachedcount = 0 ;
if( $t->secureAndSplit() ) {
if( $defaultNamespace == NS_MAIN ) {
- if( count( $titleCache ) >= MW_TITLECACHE_MAX ) {
+ if( $cachedcount >= self::CACHE_MAX ) {
# Avoid memory leaks on mass operations...
- $titleCache = array();
+ Title::$titleCache = array();
+ $cachedcount=0;
}
- $titleCache[$text] =& $t;
+ $cachedcount++;
+ Title::$titleCache[$text] =& $t;
}
- wfProfileOut( $fname );
return $t;
} else {
- wfProfileOut( $fname );
- return NULL;
+ $ret = null;
+ return $ret;
}
}
/**
+ * THIS IS NOT THE FUNCTION YOU WANT. Use Title::newFromText().
+ *
+ * Example of wrong and broken code:
+ * $title = Title::newFromURL( $wgRequest->getVal( 'title' ) );
+ *
+ * Example of right code:
+ * $title = Title::newFromText( $wgRequest->getVal( 'title' ) );
+ *
* Create a new Title from URL-encoded text. Ensures that
* the given title's length does not exceed the maximum.
- * @param string $url the title, as might be taken from a URL
- * @return Title the new object, or NULL on an error
- * @static
- * @access public
+ * @param $url \type{\string} the title, as might be taken from a URL
+ * @return \type{Title} the new object, or NULL on an error
*/
- function newFromURL( $url ) {
- global $wgLang, $wgServer;
+ public static function newFromURL( $url ) {
+ global $wgLegalTitleChars;
$t = new Title();
- # For compatibility with old buggy URLs. "+" is not valid in titles,
+ # For compatibility with old buggy URLs. "+" is usually not valid in titles,
# but some URLs used it as a space replacement and they still come
# from some external search tools.
- $s = str_replace( '+', ' ', $url );
+ if ( strpos( $wgLegalTitleChars, '+' ) === false ) {
+ $url = str_replace( '+', ' ', $url );
+ }
- $t->mDbkeyform = str_replace( ' ', '_', $s );
+ $t->mDbkeyform = str_replace( ' ', '_', $url );
if( $t->secureAndSplit() ) {
return $t;
} else {
- return NULL;
+ return null;
}
}
/**
* Create a new Title from an article ID
*
- * @todo This is inefficiently implemented, the page row is requested
- * but not used for anything else
- *
- * @param int $id the page_id corresponding to the Title to create
- * @return Title the new object, or NULL on an error
- * @access public
- * @static
- */
- function newFromID( $id ) {
- $fname = 'Title::newFromID';
- $dbr =& wfGetDB( DB_SLAVE );
- $row = $dbr->selectRow( 'page', array( 'page_namespace', 'page_title' ),
- array( 'page_id' => $id ), $fname );
- if ( $row !== false ) {
- $title = Title::makeTitle( $row->page_namespace, $row->page_title );
+ * @param $id \type{\int} the page_id corresponding to the Title to create
+ * @param $flags \type{\int} use GAID_FOR_UPDATE to use master
+ * @return \type{Title} the new object, or NULL on an error
+ */
+ public static function newFromID( $id, $flags = 0 ) {
+ $db = ($flags & GAID_FOR_UPDATE) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
+ $row = $db->selectRow( 'page', '*', array( 'page_id' => $id ), __METHOD__ );
+ if( $row !== false ) {
+ $title = Title::newFromRow( $row );
} else {
- $title = NULL;
+ $title = null;
}
return $title;
}
+ /**
+ * Make an array of titles from an array of IDs
+ * @param $ids \type{\arrayof{\int}} Array of IDs
+ * @return \type{\arrayof{Title}} Array of Titles
+ */
+ public static function newFromIDs( $ids ) {
+ if ( !count( $ids ) ) {
+ return array();
+ }
+ $dbr = wfGetDB( DB_SLAVE );
+ $res = $dbr->select( 'page', array( 'page_namespace', 'page_title' ),
+ 'page_id IN (' . $dbr->makeList( $ids ) . ')', __METHOD__ );
+
+ $titles = array();
+ foreach( $res as $row ) {
+ $titles[] = Title::makeTitle( $row->page_namespace, $row->page_title );
+ }
+ return $titles;
+ }
+
+ /**
+ * Make a Title object from a DB row
+ * @param $row \type{Row} (needs at least page_title,page_namespace)
+ * @return \type{Title} corresponding Title
+ */
+ public static function newFromRow( $row ) {
+ $t = self::makeTitle( $row->page_namespace, $row->page_title );
+
+ $t->mArticleID = isset($row->page_id) ? intval($row->page_id) : -1;
+ $t->mLength = isset($row->page_len) ? intval($row->page_len) : -1;
+ $t->mRedirect = isset($row->page_is_redirect) ? (bool)$row->page_is_redirect : null;
+ $t->mLatestID = isset($row->page_latest) ? $row->page_latest : false;
+
+ return $t;
+ }
+
/**
* Create a new Title from a namespace index and a DB key.
* It's assumed that $ns and $title are *valid*, for instance when
* For convenience, spaces are converted to underscores so that
* eg user_text fields can be used directly.
*
- * @param int $ns the namespace of the article
- * @param string $title the unprefixed database key form
- * @return Title the new object
- * @static
- * @access public
+ * @param $ns \type{\int} the namespace of the article
+ * @param $title \type{\string} the unprefixed database key form
+ * @param $fragment \type{\string} The link fragment (after the "#")
+ * @return \type{Title} the new object
*/
- function &makeTitle( $ns, $title ) {
- $t =& new Title();
+ public static function &makeTitle( $ns, $title, $fragment = '' ) {
+ $t = new Title();
$t->mInterwiki = '';
- $t->mFragment = '';
- $t->mNamespace = IntVal( $ns );
+ $t->mFragment = $fragment;
+ $t->mNamespace = $ns = intval( $ns );
$t->mDbkeyform = str_replace( ' ', '_', $title );
$t->mArticleID = ( $ns >= 0 ) ? -1 : 0;
$t->mUrlform = wfUrlencode( $t->mDbkeyform );
}
/**
- * Create a new Title frrom a namespace index and a DB key.
+ * Create a new Title from a namespace index and a DB key.
* The parameters will be checked for validity, which is a bit slower
* than makeTitle() but safer for user-provided data.
*
- * @param int $ns the namespace of the article
- * @param string $title the database key form
- * @return Title the new object, or NULL on an error
- * @static
- * @access public
+ * @param $ns \type{\int} the namespace of the article
+ * @param $title \type{\string} the database key form
+ * @param $fragment \type{\string} The link fragment (after the "#")
+ * @return \type{Title} the new object, or NULL on an error
*/
- function makeTitleSafe( $ns, $title ) {
+ public static function makeTitleSafe( $ns, $title, $fragment = '' ) {
$t = new Title();
- $t->mDbkeyform = Title::makeName( $ns, $title );
+ $t->mDbkeyform = Title::makeName( $ns, $title, $fragment );
if( $t->secureAndSplit() ) {
return $t;
} else {
- return NULL;
+ return null;
}
- }
+ }
/**
* Create a new Title for the Main Page
+ * @return \type{Title} the new object
+ */
+ public static function newMainPage() {
+ $title = Title::newFromText( wfMsgForContent( 'mainpage' ) );
+ // Don't give fatal errors if the message is broken
+ if ( !$title ) {
+ $title = Title::newFromText( 'Main Page' );
+ }
+ return $title;
+ }
+
+ /**
+ * Extract a redirect destination from a string and return the
+ * Title, or null if the text doesn't contain a valid redirect
+ * This will only return the very next target, useful for
+ * the redirect table and other checks that don't need full recursion
*
- * @static
- * @return Title the new object
- * @access public
+ * @param $text \type{\string} Text with possible redirect
+ * @return \type{Title} The corresponding Title
*/
- function newMainPage() {
- return Title::newFromText( wfMsgForContent( 'mainpage' ) );
+ public static function newFromRedirect( $text ) {
+ return self::newFromRedirectInternal( $text );
}
/**
- * Create a new Title for a redirect
- * @param string $text the redirect title text
- * @return Title the new object, or NULL if the text is not a
- * valid redirect
- * @static
- * @access public
+ * Extract a redirect destination from a string and return the
+ * Title, or null if the text doesn't contain a valid redirect
+ * This will recurse down $wgMaxRedirects times or until a non-redirect target is hit
+ * in order to provide (hopefully) the Title of the final destination instead of another redirect
+ *
+ * @param $text \type{\string} Text with possible redirect
+ * @return \type{Title} The corresponding Title
*/
- function newFromRedirect( $text ) {
- global $wgMwRedir;
- $rt = NULL;
- if ( $wgMwRedir->matchStart( $text ) ) {
- if ( preg_match( '/\[{2}(.*?)(?:\||\]{2})/', $text, $m ) ) {
- # categories are escaped using : for example one can enter:
- # #REDIRECT [[:Category:Music]]. Need to remove it.
- if ( substr($m[1],0,1) == ':') {
- # We don't want to keep the ':'
- $m[1] = substr( $m[1], 1 );
- }
+ public static function newFromRedirectRecurse( $text ) {
+ $titles = self::newFromRedirectArray( $text );
+ return $titles ? array_pop( $titles ) : null;
+ }
+
+ /**
+ * Extract a redirect destination from a string and return an
+ * array of Titles, or null if the text doesn't contain a valid redirect
+ * The last element in the array is the final destination after all redirects
+ * have been resolved (up to $wgMaxRedirects times)
+ *
+ * @param $text \type{\string} Text with possible redirect
+ * @return \type{\array} Array of Titles, with the destination last
+ */
+ public static function newFromRedirectArray( $text ) {
+ global $wgMaxRedirects;
+ // are redirects disabled?
+ if( $wgMaxRedirects < 1 )
+ return null;
+ $title = self::newFromRedirectInternal( $text );
+ if( is_null( $title ) )
+ return null;
+ // recursive check to follow double redirects
+ $recurse = $wgMaxRedirects;
+ $titles = array( $title );
+ while( --$recurse > 0 ) {
+ if( $title->isRedirect() ) {
+ $article = new Article( $title, 0 );
+ $newtitle = $article->getRedirectTarget();
+ } else {
+ break;
+ }
+ // Redirects to some special pages are not permitted
+ if( $newtitle instanceOf Title && $newtitle->isValidRedirectTarget() ) {
+ // the new title passes the checks, so make that our current title so that further recursion can be checked
+ $title = $newtitle;
+ $titles[] = $newtitle;
+ } else {
+ break;
+ }
+ }
+ return $titles;
+ }
- $rt = Title::newFromText( $m[1] );
- # Disallow redirects to Special:Userlogout
- if ( !is_null($rt) && $rt->getNamespace() == NS_SPECIAL && preg_match( '/^Userlogout/i', $rt->getText() ) ) {
- $rt = NULL;
+ /**
+ * Really extract the redirect destination
+ * Do not call this function directly, use one of the newFromRedirect* functions above
+ *
+ * @param $text \type{\string} Text with possible redirect
+ * @return \type{Title} The corresponding Title
+ */
+ protected static function newFromRedirectInternal( $text ) {
+ $redir = MagicWord::get( 'redirect' );
+ $text = trim($text);
+ if( $redir->matchStartAndRemove( $text ) ) {
+ // Extract the first link and see if it's usable
+ // Ensure that it really does come directly after #REDIRECT
+ // Some older redirects included a colon, so don't freak about that!
+ $m = array();
+ if( preg_match( '!^\s*:?\s*\[{2}(.*?)(?:\|.*?)?\]{2}!', $text, $m ) ) {
+ // Strip preceding colon used to "escape" categories, etc.
+ // and URL-decode links
+ if( strpos( $m[1], '%' ) !== false ) {
+ // Match behavior of inline link parsing here;
+ // don't interpret + as " " most of the time!
+ // It might be safe to just use rawurldecode instead, though.
+ $m[1] = urldecode( ltrim( $m[1], ':' ) );
+ }
+ $title = Title::newFromText( $m[1] );
+ // If the title is a redirect to bad special pages or is invalid, return null
+ if( !$title instanceof Title || !$title->isValidRedirectTarget() ) {
+ return null;
}
+ return $title;
}
}
- return $rt;
+ return null;
}
#----------------------------------------------------------------------------
/**
* Get the prefixed DB key associated with an ID
- * @param int $id the page_id of the article
- * @return Title an object representing the article, or NULL
- * if no such article was found
- * @static
- * @access public
+ * @param $id \type{\int} the page_id of the article
+ * @return \type{Title} an object representing the article, or NULL
+ * if no such article was found
*/
- function nameOf( $id ) {
- $fname = 'Title::nameOf';
- $dbr =& wfGetDB( DB_SLAVE );
+ public static function nameOf( $id ) {
+ $dbr = wfGetDB( DB_SLAVE );
- $s = $dbr->selectRow( 'page', array( 'page_namespace','page_title' ), array( 'page_id' => $id ), $fname );
- if ( $s === false ) { return NULL; }
+ $s = $dbr->selectRow( 'page',
+ array( 'page_namespace','page_title' ),
+ array( 'page_id' => $id ),
+ __METHOD__ );
+ if ( $s === false ) { return null; }
- $n = Title::makeName( $s->page_namespace, $s->page_title );
+ $n = self::makeName( $s->page_namespace, $s->page_title );
return $n;
}
/**
* Get a regex character class describing the legal characters in a link
- * @return string the list of characters, not delimited
- * @static
- * @access public
- */
- function legalChars() {
- # Missing characters:
- # * []|# Needed for link syntax
- # * % and + are corrupted by Apache when they appear in the path
- #
- # % seems to work though
- #
- # The problem with % is that URLs are double-unescaped: once by Apache's
- # path conversion code, and again by PHP. So %253F, for example, becomes "?".
- # Our code does not double-escape to compensate for this, indeed double escaping
- # would break if the double-escaped title was passed in the query string
- # rather than the path. This is a minor security issue because articles can be
- # created such that they are hard to view or edit. -- TS
- #
- # Theoretically 0x80-0x9F of ISO 8859-1 should be disallowed, but
- # this breaks interlanguage links
-
- $set = " %!\"$&'()*,\\-.\\/0-9:;=?@A-Z\\\\^_`a-z~\\x80-\\xFF";
- return $set;
+ * @return \type{\string} the list of characters, not delimited
+ */
+ public static function legalChars() {
+ global $wgLegalTitleChars;
+ return $wgLegalTitleChars;
}
/**
* Get a string representation of a title suitable for
* including in a search index
*
- * @param int $ns a namespace index
- * @param string $title text-form main part
- * @return string a stripped-down title string ready for the
- * search index
+ * @param $ns \type{\int} a namespace index
+ * @param $title \type{\string} text-form main part
+ * @return \type{\string} a stripped-down title string ready for the
+ * search index
*/
- /* static */ function indexTitle( $ns, $title ) {
- global $wgDBminWordLen, $wgContLang;
- require_once( 'SearchEngine.php' );
+ public static function indexTitle( $ns, $title ) {
+ global $wgContLang;
$lc = SearchEngine::legalSearchChars() . '&#;';
- $t = $wgContLang->stripForSearch( $title );
+ $t = $wgContLang->normalizeForSearch( $title );
$t = preg_replace( "/[^{$lc}]+/", ' ', $t );
- $t = strtolower( $t );
+ $t = $wgContLang->lc( $t );
# Handle 's, s'
$t = preg_replace( "/([{$lc}]+)'s( |$)/", "\\1 \\1's ", $t );
$t = preg_replace( "/\\s+/", ' ', $t );
- if ( $ns == NS_IMAGE ) {
+ if ( $ns == NS_FILE ) {
$t = preg_replace( "/ (png|gif|jpg|jpeg|ogg)$/", "", $t );
}
return trim( $t );
}
- /*
+ /**
* Make a prefixed DB key from a DB key and a namespace index
- * @param int $ns numerical representation of the namespace
- * @param string $title the DB key form the title
- * @return string the prefixed form of the title
+ * @param $ns \type{\int} numerical representation of the namespace
+ * @param $title \type{\string} the DB key form the title
+ * @param $fragment \type{\string} The link fragment (after the "#")
+ * @return \type{\string} the prefixed form of the title
*/
- /* static */ function makeName( $ns, $title ) {
+ public static function makeName( $ns, $title, $fragment = '' ) {
global $wgContLang;
- $n = $wgContLang->getNsText( $ns );
- return $n == '' ? $title : "$n:$title";
- }
-
- /**
- * Returns the URL associated with an interwiki prefix
- * @param string $key the interwiki prefix (e.g. "MeatBall")
- * @return the associated URL, containing "$1", which should be
- * replaced by an article title
- * @static (arguably)
- * @access public
- */
- function getInterwikiLink( $key, $transludeonly = false ) {
- global $wgMemc, $wgDBname, $wgInterwikiExpiry, $wgTitleInterwikiCache;
- $fname = 'Title::getInterwikiLink';
-
- wfProfileIn( $fname );
-
- $k = $wgDBname.':interwiki:'.$key;
- if( array_key_exists( $k, $wgTitleInterwikiCache ) ) {
- wfProfileOut( $fname );
- return $wgTitleInterwikiCache[$k]->iw_url;
- }
-
- $s = $wgMemc->get( $k );
- # Ignore old keys with no iw_local
- if( $s && isset( $s->iw_local ) && isset($s->iw_trans)) {
- $wgTitleInterwikiCache[$k] = $s;
- wfProfileOut( $fname );
- return $s->iw_url;
- }
-
- $dbr =& wfGetDB( DB_SLAVE );
- $res = $dbr->select( 'interwiki',
- array( 'iw_url', 'iw_local', 'iw_trans' ),
- array( 'iw_prefix' => $key ), $fname );
- if( !$res ) {
- wfProfileOut( $fname );
- return '';
- }
-
- $s = $dbr->fetchObject( $res );
- if( !$s ) {
- # Cache non-existence: create a blank object and save it to memcached
- $s = (object)false;
- $s->iw_url = '';
- $s->iw_local = 0;
- $s->iw_trans = 0;
+ $namespace = $wgContLang->getNsText( $ns );
+ $name = $namespace == '' ? $title : "$namespace:$title";
+ if ( strval( $fragment ) != '' ) {
+ $name .= '#' . $fragment;
}
- $wgMemc->set( $k, $s, $wgInterwikiExpiry );
- $wgTitleInterwikiCache[$k] = $s;
-
- wfProfileOut( $fname );
- return $s->iw_url;
+ return $name;
}
/**
* Determine whether the object refers to a page within
* this project.
*
- * @return bool TRUE if this is an in-project interwiki link
+ * @return \type{\bool} TRUE if this is an in-project interwiki link
* or a wikilink, FALSE otherwise
- * @access public
*/
- function isLocal() {
- global $wgTitleInterwikiCache, $wgDBname;
-
+ public function isLocal() {
if ( $this->mInterwiki != '' ) {
- # Make sure key is loaded into cache
- $this->getInterwikiLink( $this->mInterwiki );
- $k = $wgDBname.':interwiki:' . $this->mInterwiki;
- return (bool)($wgTitleInterwikiCache[$k]->iw_local);
+ return Interwiki::fetch( $this->mInterwiki )->isLocal();
} else {
return true;
}
* Determine whether the object refers to a page within
* this project and is transcludable.
*
- * @return bool TRUE if this is transcludable
- * @access public
+ * @return \type{\bool} TRUE if this is transcludable
*/
- function isTrans() {
- global $wgTitleInterwikiCache, $wgDBname;
-
- if ($this->mInterwiki == '' || !$this->isLocal())
+ public function isTrans() {
+ if ($this->mInterwiki == '')
return false;
- # Make sure key is loaded into cache
- $this->getInterwikiLink( $this->mInterwiki );
- $k = $wgDBname.':interwiki:' . $this->mInterwiki;
- return (bool)($wgTitleInterwikiCache[$k]->iw_trans);
+
+ return Interwiki::fetch( $this->mInterwiki )->isTranscludable();
}
/**
- * Update the page_touched field for an array of title objects
- * @todo Inefficient unless the IDs are already loaded into the
- * link cache
- * @param array $titles an array of Title objects to be touched
- * @param string $timestamp the timestamp to use instead of the
- * default current time
- * @static
- * @access public
+ * Escape a text fragment, say from a link, for a URL
*/
- function touchArray( $titles, $timestamp = '' ) {
- global $wgUseFileCache;
-
- if ( count( $titles ) == 0 ) {
- return;
- }
- $dbw =& wfGetDB( DB_MASTER );
- if ( $timestamp == '' ) {
- $timestamp = $dbw->timestamp();
- }
- $page = $dbw->tableName( 'page' );
- /*
- $sql = "UPDATE $page SET page_touched='{$timestamp}' WHERE page_id IN (";
- $first = true;
-
- foreach ( $titles as $title ) {
- if ( $wgUseFileCache ) {
- $cm = new CacheManager($title);
- @unlink($cm->fileCacheName());
- }
-
- if ( ! $first ) {
- $sql .= ',';
- }
- $first = false;
- $sql .= $title->getArticleID();
- }
- $sql .= ')';
- if ( ! $first ) {
- $dbw->query( $sql, 'Title::touchArray' );
- }
- */
- // hack hack hack -- brion 2005-07-11. this was unfriendly to db.
- // do them in small chunks:
- $fname = 'Title::touchArray';
- foreach( $titles as $title ) {
- $dbw->update( 'page',
- array( 'page_touched' => $timestamp ),
- array(
- 'page_namespace' => $title->getNamespace(),
- 'page_title' => $title->getDBkey() ),
- $fname );
- }
+ static function escapeFragmentForURL( $fragment ) {
+ # Note that we don't urlencode the fragment. urlencoded Unicode
+ # fragments appear not to work in IE (at least up to 7) or in at least
+ # one version of Opera 9.x. The W3C validator, for one, doesn't seem
+ # to care if they aren't encoded.
+ return Sanitizer::escapeId( $fragment, 'noninitial' );
}
#----------------------------------------------------------------------------
/** Simple accessors */
/**
* Get the text form (spaces not underscores) of the main part
- * @return string
- * @access public
+ * @return \type{\string} Main part of the title
*/
- function getText() { return $this->mTextform; }
+ public function getText() { return $this->mTextform; }
/**
* Get the URL-encoded form of the main part
- * @return string
- * @access public
+ * @return \type{\string} Main part of the title, URL-encoded
*/
- function getPartialURL() { return $this->mUrlform; }
+ public function getPartialURL() { return $this->mUrlform; }
/**
* Get the main part with underscores
- * @return string
- * @access public
+ * @return \type{\string} Main part of the title, with underscores
+ */
+ public function getDBkey() { return $this->mDbkeyform; }
+ /**
+ * Get the namespace index, i.e.\ one of the NS_xxxx constants.
+ * @return \type{\int} Namespace index
+ */
+ public function getNamespace() { return $this->mNamespace; }
+ /**
+ * Get the namespace text
+ * @return \type{\string} Namespace text
+ */
+ public function getNsText() {
+ global $wgContLang;
+
+ if ( $this->mInterwiki != '' ) {
+ // This probably shouldn't even happen. ohh man, oh yuck.
+ // But for interwiki transclusion it sometimes does.
+ // Shit. Shit shit shit.
+ //
+ // Use the canonical namespaces if possible to try to
+ // resolve a foreign namespace.
+ if( MWNamespace::exists( $this->mNamespace ) ) {
+ return MWNamespace::getCanonicalName( $this->mNamespace );
+ }
+ }
+ return $wgContLang->getNsText( $this->mNamespace );
+ }
+ /**
+ * Get the DB key with the initial letter case as specified by the user
+ * @return \type{\string} DB key
+ */
+ function getUserCaseDBKey() {
+ return $this->mUserCaseDBKey;
+ }
+ /**
+ * Get the namespace text of the subject (rather than talk) page
+ * @return \type{\string} Namespace text
+ */
+ public function getSubjectNsText() {
+ global $wgContLang;
+ return $wgContLang->getNsText( MWNamespace::getSubject( $this->mNamespace ) );
+ }
+ /**
+ * Get the namespace text of the talk page
+ * @return \type{\string} Namespace text
*/
- function getDBkey() { return $this->mDbkeyform; }
+ public function getTalkNsText() {
+ global $wgContLang;
+ return( $wgContLang->getNsText( MWNamespace::getTalk( $this->mNamespace ) ) );
+ }
/**
- * Get the namespace index, i.e. one of the NS_xxxx constants
- * @return int
- * @access public
+ * Could this title have a corresponding talk page?
+ * @return \type{\bool} TRUE or FALSE
*/
- function getNamespace() { return $this->mNamespace; }
+ public function canTalk() {
+ return( MWNamespace::canTalk( $this->mNamespace ) );
+ }
/**
* Get the interwiki prefix (or null string)
- * @return string
- * @access public
+ * @return \type{\string} Interwiki prefix
*/
- function getInterwiki() { return $this->mInterwiki; }
+ public function getInterwiki() { return $this->mInterwiki; }
/**
- * Get the Title fragment (i.e. the bit after the #)
- * @return string
- * @access public
+ * Get the Title fragment (i.e.\ the bit after the #) in text form
+ * @return \type{\string} Title fragment
*/
- function getFragment() { return $this->mFragment; }
+ public function getFragment() { return $this->mFragment; }
+ /**
+ * Get the fragment in URL form, including the "#" character if there is one
+ * @return \type{\string} Fragment in URL form
+ */
+ public function getFragmentForURL() {
+ if ( $this->mFragment == '' ) {
+ return '';
+ } else {
+ return '#' . Title::escapeFragmentForURL( $this->mFragment );
+ }
+ }
/**
* Get the default namespace index, for when there is no namespace
- * @return int
- * @access public
+ * @return \type{\int} Default namespace index
*/
- function getDefaultNamespace() { return $this->mDefaultNamespace; }
+ public function getDefaultNamespace() { return $this->mDefaultNamespace; }
/**
* Get title for search index
- * @return string a stripped-down title string ready for the
- * search index
+ * @return \type{\string} a stripped-down title string ready for the
+ * search index
*/
- function getIndexTitle() {
+ 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
- * @access public
+ * @return \type{\string} the prefixed title, with underscores and
+ * any interwiki and namespace prefixes
*/
- function getPrefixedDBkey() {
+ 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
- * @access public
+ * @return \type{\string} the prefixed title, with spaces
*/
- function getPrefixedText() {
- global $wgContLang;
- if ( empty( $this->mPrefixedText ) ) {
+ public function getPrefixedText() {
+ if ( empty( $this->mPrefixedText ) ) { // FIXME: bad usage of empty() ?
$s = $this->prefix( $this->mTextform );
$s = str_replace( '_', ' ', $s );
$this->mPrefixedText = $s;
/**
* Get the prefixed title with spaces, plus any fragment
* (part beginning with '#')
- * @return string the prefixed title, with spaces and
- * the fragment, including '#'
- * @access public
+ * @return \type{\string} the prefixed title, with spaces and
+ * the fragment, including '#'
*/
- function getFullText() {
- global $wgContLang;
+ public function getFullText() {
$text = $this->getPrefixedText();
- if( '' != $this->mFragment ) {
+ if( $this->mFragment != '' ) {
$text .= '#' . $this->mFragment;
}
return $text;
}
/**
- * Get a URL-encoded title (not an actual URL) including interwiki
- * @return string the URL-encoded form
- * @access public
+ * Get the base name, i.e. the leftmost parts before the /
+ * @return \type{\string} Base name
*/
- function getPrefixedURL() {
- $s = $this->prefix( $this->mDbkeyform );
- $s = str_replace( ' ', '_', $s );
+ public function getBaseText() {
+ if( !MWNamespace::hasSubpages( $this->mNamespace ) ) {
+ return $this->getText();
+ }
- $s = wfUrlencode ( $s ) ;
+ $parts = explode( '/', $this->getText() );
+ # Don't discard the real title if there's no subpage involved
+ if( count( $parts ) > 1 )
+ unset( $parts[ count( $parts ) - 1 ] );
+ return implode( '/', $parts );
+ }
+
+ /**
+ * Get the lowest-level subpage name, i.e. the rightmost part after /
+ * @return \type{\string} Subpage name
+ */
+ public function getSubpageText() {
+ if( !MWNamespace::hasSubpages( $this->mNamespace ) ) {
+ return( $this->mTextform );
+ }
+ $parts = explode( '/', $this->mTextform );
+ return( $parts[ count( $parts ) - 1 ] );
+ }
- # Cleaning up URL to make it look nice -- is this safe?
- $s = str_replace( '%28', '(', $s );
- $s = str_replace( '%29', ')', $s );
+ /**
+ * Get a URL-encoded form of the subpage text
+ * @return \type{\string} URL-encoded subpage name
+ */
+ public function getSubpageUrlForm() {
+ $text = $this->getSubpageText();
+ $text = wfUrlencode( str_replace( ' ', '_', $text ) );
+ return( $text );
+ }
+ /**
+ * Get a URL-encoded title (not an actual URL) including interwiki
+ * @return \type{\string} the URL-encoded form
+ */
+ public function getPrefixedURL() {
+ $s = $this->prefix( $this->mDbkeyform );
+ $s = wfUrlencode( str_replace( ' ', '_', $s ) );
return $s;
}
* Get a real URL referring to this title, with interwiki link and
* fragment
*
- * @param string $query an optional query string, not used
- * for interwiki links
- * @return string the URL
- * @access public
+ * @param $query \twotypes{\string,\array} an optional query string, not used for interwiki
+ * links. Can be specified as an associative array as well, e.g.,
+ * array( 'action' => 'edit' ) (keys and values will be URL-escaped).
+ * @param $variant \type{\string} language variant of url (for sr, zh..)
+ * @return \type{\string} the URL
*/
- function getFullURL( $query = '' ) {
- global $wgContLang, $wgServer, $wgScript, $wgMakeDumpLinks, $wgArticlePath;
-
- if ( '' == $this->mInterwiki ) {
- return $wgServer . $this->getLocalUrl( $query );
- } elseif ( $wgMakeDumpLinks && $wgContLang->getLanguageName( $this->mInterwiki ) ) {
- $baseUrl = str_replace( '$1', "../../{$this->mInterwiki}/$1", $wgArticlePath );
- $baseUrl = str_replace( '$1', $this->getHashedDirectory() . '/$1', $baseUrl );
- } else {
- $baseUrl = $this->getInterwikiLink( $this->mInterwiki );
- }
+ public function getFullURL( $query = '', $variant = false ) {
+ global $wgContLang, $wgServer, $wgRequest;
- $namespace = $wgContLang->getNsText( $this->mNamespace );
- if ( '' != $namespace ) {
- # Can this actually happen? Interwikis shouldn't be parsed.
- $namespace .= ':';
- }
- $url = str_replace( '$1', $namespace . $this->mUrlform, $baseUrl );
- if( $query != '' ) {
- if( false === strpos( $url, '?' ) ) {
- $url .= '?';
- } else {
- $url .= '&';
- }
- $url .= $query;
- }
- if ( '' != $this->mFragment ) {
- $url .= '#' . $this->mFragment;
+ if( is_array( $query ) ) {
+ $query = wfArrayToCGI( $query );
}
- return $url;
- }
- /**
- * Get a relative directory for putting an HTML version of this article into
- */
- function getHashedDirectory() {
- global $wgMakeDumpLinks, $wgInputEncoding;
- $dbkey = $this->getDBkey();
+ $interwiki = Interwiki::fetch( $this->mInterwiki );
+ if ( !$interwiki ) {
+ $url = $this->getLocalURL( $query, $variant );
- # Split into characters
- if ( $wgInputEncoding == 'UTF-8' ) {
- preg_match_all( '/./us', $dbkey, $m );
+ // Ugly quick hack to avoid duplicate prefixes (bug 4571 etc)
+ // Correct fix would be to move the prepending elsewhere.
+ if ($wgRequest->getVal('action') != 'render') {
+ $url = $wgServer . $url;
+ }
} else {
- preg_match_all( '/./s', $dbkey, $m );
- }
- $chars = $m[0];
- $length = count( $chars );
- $dir = '';
+ $baseUrl = $interwiki->getURL( );
- for ( $i = 0; $i < $wgMakeDumpLinks; $i++ ) {
- if ( $i ) {
- $dir .= '/';
- }
- if ( $i >= $length ) {
- $dir .= '_';
- } elseif ( ord( $chars[$i] ) > 32 ) {
- $dir .= strtolower( $chars[$i] );
- } else {
- $dir .= sprintf( "%02X", ord( $chars[$i] ) );
+ $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 );
}
- return $dir;
- }
-
- function getHashedFilename() {
- $dbkey = $this->getPrefixedDBkey();
- $mainPage = Title::newMainPage();
- if ( $mainPage->getPrefixedDBkey() == $dbkey ) {
- return 'index.html';
- }
-
- $dir = $this->getHashedDirectory();
- # Replace illegal charcters for Windows paths with underscores
- $friendlyName = strtr( $dbkey, '/\\*?"<>|~', '_________' );
+ # Finally, add the fragment.
+ $url .= $this->getFragmentForURL();
- # Work out lower case form. We assume we're on a system with case-insensitive
- # filenames, so unless the case is of a special form, we have to disambiguate
- $lowerCase = $this->prefix( ucfirst( strtolower( $this->getDBkey() ) ) );
-
- # Make it mostly unique
- if ( $lowerCase != $friendlyName ) {
- $friendlyName .= '_' . substr(md5( $dbkey ), 0, 4);
- }
- # Handle colon specially by replacing it with tilde
- # Thus we reduce the number of paths with hashes appended
- $friendlyName = str_replace( ':', '~', $friendlyName );
- return "$dir/$friendlyName.html";
+ wfRunHooks( 'GetFullURL', array( &$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.
- * @return string the URL
- * @access public
+ * @param mixed $query an optional query string; if not specified,
+ * $wgArticlePath will be used. Can be specified as an associative array
+ * as well, e.g., array( 'action' => 'edit' ) (keys and values will be
+ * URL-escaped).
+ * @param $variant \type{\string} language variant of url (for sr, zh..)
+ * @return \type{\string} the URL
*/
- function getLocalURL( $query = '' ) {
- global $wgLang, $wgArticlePath, $wgScript, $wgMakeDumpLinks, $wgServer, $action;
+ public function getLocalURL( $query = '', $variant = false ) {
+ global $wgArticlePath, $wgScript, $wgServer, $wgRequest;
+ global $wgVariantArticlePath, $wgContLang, $wgUser;
- if ( $this->isExternal() ) {
- return $this->getFullURL();
+ if( is_array( $query ) ) {
+ $query = wfArrayToCGI( $query );
}
- $dbkey = wfUrlencode( $this->getPrefixedDBkey() );
- if ( $wgMakeDumpLinks ) {
- $url = str_replace( '$1', wfUrlencode( $this->getHashedFilename() ), $wgArticlePath );
- } elseif ( $query == '' ) {
- $url = str_replace( '$1', $dbkey, $wgArticlePath );
+ // internal links should point to same variant as current page (only anonymous users)
+ if($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 {
- global $wgActionPaths;
- 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;
- return $url;
+ $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 = wfAppendQuery( $url, $query );
+ }
+ }
+ }
+ if ( $url === false ) {
+ if ( $query == '-' ) {
+ $query = '';
+ }
+ $url = "{$wgScript}?title={$dbkey}&{$query}";
}
}
- if ( $query == '-' ) {
- $query = '';
+
+ // FIXME: this causes breakage in various places when we
+ // actually expected a local URL and end up with dupe prefixes.
+ if ($wgRequest->getVal('action') == 'render') {
+ $url = $wgServer . $url;
}
- $url = "{$wgScript}?title={$dbkey}&{$query}";
}
+ wfRunHooks( 'GetLocalURL', array( &$this, &$url, $query ) );
+ return $url;
+ }
- if ($action == 'render')
- return $wgServer . $url;
- else
- return $url;
+ /**
+ * Get a URL that's the simplest URL that will be valid to link, locally,
+ * to the current Title. It includes the fragment, but does not include
+ * the server unless action=render is used (or the link is external). If
+ * there's a fragment but the prefixed text is empty, we just return a link
+ * to the fragment.
+ *
+ * The result obviously should not be URL-escaped, but does need to be
+ * HTML-escaped if it's being output in HTML.
+ *
+ * @param $query \type{\arrayof{\string}} An associative array of key => value pairs for the
+ * query string. Keys and values will be escaped.
+ * @param $variant \type{\string} Language variant of URL (for sr, zh..). Ignored
+ * for external links. Default is "false" (same variant as current page,
+ * for anonymous users).
+ * @return \type{\string} the URL
+ */
+ public function getLinkUrl( $query = array(), $variant = false ) {
+ wfProfileIn( __METHOD__ );
+ if( $this->isExternal() ) {
+ $ret = $this->getFullURL( $query );
+ } elseif( $this->getPrefixedText() === '' && $this->getFragment() !== '' ) {
+ $ret = $this->getFragmentForURL();
+ } else {
+ $ret = $this->getLocalURL( $query, $variant ) . $this->getFragmentForURL();
+ }
+ wfProfileOut( __METHOD__ );
+ return $ret;
}
/**
* Get an HTML-escaped version of the URL form, suitable for
* using in a link, without a server name or fragment
- * @param string $query an optional query string
- * @return string the URL
- * @access public
+ * @param $query \type{\string} an optional query string
+ * @return \type{\string} the URL
*/
- function escapeLocalURL( $query = '' ) {
+ 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
- * @access public
+ * @param $query \type{\string} an optional query string
+ * @return \type{\string} the URL
*/
- function escapeFullURL( $query = '' ) {
+ public function escapeFullURL( $query = '' ) {
return htmlspecialchars( $this->getFullURL( $query ) );
}
* - 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
- * @return string the URL
- * @access public
+ * @param $query \type{\string} an optional query string
+ * @param $variant \type{\string} language variant of url (for sr, zh..)
+ * @return \type{\string} the URL
*/
- function getInternalURL( $query = '' ) {
+ public function getInternalURL( $query = '', $variant = false ) {
global $wgInternalServer;
- return $wgInternalServer . $this->getLocalURL( $query );
+ $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
- * @access public
+ * @return \type{\string} the URL, or a null string if this is an
+ * interwiki link
*/
- function getEditURL() {
- global $wgServer, $wgScript;
-
- if ( '' != $this->mInterwiki ) { return ''; }
+ 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
- * @access public
+ * @return \type{\string} the text, including any prefixes
*/
- function getEscapedText() {
+ public function getEscapedText() {
return htmlspecialchars( $this->getPrefixedText() );
}
/**
* Is this Title interwiki?
- * @return boolean
- * @access public
+ * @return \type{\bool}
*/
- function isExternal() { return ( '' != $this->mInterwiki ); }
+ public function isExternal() { return ( $this->mInterwiki != '' ); }
+
+ /**
+ * Is this page "semi-protected" - the *only* protection is autoconfirm?
+ *
+ * @param @action \type{\string} Action to check (default: edit)
+ * @return \type{\bool}
+ */
+ public function isSemiProtected( $action = 'edit' ) {
+ if( $this->exists() ) {
+ $restrictions = $this->getRestrictions( $action );
+ if( count( $restrictions ) > 0 ) {
+ foreach( $restrictions as $restriction ) {
+ if( strtolower( $restriction ) != 'autoconfirmed' )
+ return false;
+ }
+ } else {
+ # Not protected
+ return false;
+ }
+ return true;
+ } else {
+ # If it doesn't exist, it can't be protected
+ return false;
+ }
+ }
/**
* Does the title correspond to a protected article?
- * @param string $what the action the page is protected from,
- * by default checks move and edit
- * @return boolean
- * @access public
+ * @param $what \type{\string} the action the page is protected from,
+ * by default checks all actions.
+ * @return \type{\bool}
*/
- function isProtected($action = '') {
- if ( -1 == $this->mNamespace ) { return true; }
- if($action == 'edit' || $action == '') {
- $a = $this->getRestrictions("edit");
- if ( in_array( 'sysop', $a ) ) { return true; }
+ public function isProtected( $action = '' ) {
+ global $wgRestrictionLevels;
+
+ $restrictionTypes = $this->getRestrictionTypes();
+
+ # Special pages have inherent protection
+ if( $this->getNamespace() == NS_SPECIAL )
+ return true;
+
+ # Check regular protection levels
+ foreach( $restrictionTypes as $type ){
+ if( $action == $type || $action == '' ) {
+ $r = $this->getRestrictions( $type );
+ foreach( $wgRestrictionLevels as $level ) {
+ if( in_array( $level, $r ) && $level != '' ) {
+ return true;
+ }
+ }
+ }
}
- if($action == 'move' || $action == '') {
- $a = $this->getRestrictions("move");
- if ( in_array( 'sysop', $a ) ) { return true; }
+
+ return false;
+ }
+
+ /**
+ * Is this a conversion table for the LanguageConverter?
+ * @return \type{\bool}
+ */
+ public function isConversionTable() {
+ if($this->getNamespace() == NS_MEDIAWIKI
+ && strpos( $this->getText(), 'Conversiontable' ) !== false ) {
+ return true;
}
+
return false;
}
/**
- * Is $wgUser is watching this page?
- * @return boolean
- * @access public
+ * Is $wgUser watching this page?
+ * @return \type{\bool}
*/
- function userIsWatching() {
+ public function userIsWatching() {
global $wgUser;
if ( is_null( $this->mWatched ) ) {
- if ( -1 == $this->mNamespace || 0 == $wgUser->getID()) {
+ if ( NS_SPECIAL == $this->mNamespace || !$wgUser->isLoggedIn()) {
$this->mWatched = false;
} else {
$this->mWatched = $wgUser->isWatched( $this );
return $this->mWatched;
}
- /**
- * Is $wgUser perform $action this page?
- * @param string $action action that permission needs to be checked for
- * @return boolean
- * @access private
- */
- function userCan($action) {
- $fname = 'Title::userCanEdit';
- wfProfileIn( $fname );
-
- global $wgUser;
- if( NS_SPECIAL == $this->mNamespace ) {
- wfProfileOut( $fname );
- return false;
- }
- if( NS_MEDIAWIKI == $this->mNamespace &&
- !$wgUser->isAllowed('editinterface') ) {
- wfProfileOut( $fname );
- return false;
- }
- if( $this->mDbkeyform == '_' ) {
- # FIXME: Is this necessary? Shouldn't be allowed anyway...
- wfProfileOut( $fname );
- return false;
- }
-
- # protect global styles and js
- if ( NS_MEDIAWIKI == $this->mNamespace
- && preg_match("/\\.(css|js)$/", $this->mTextform )
- && !$wgUser->isAllowed('editinterface') ) {
- wfProfileOut( $fname );
- return false;
- }
-
- # 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( NS_USER == $this->mNamespace
- && preg_match("/\\.(css|js)$/", $this->mTextform )
- && !$wgUser->isAllowed('editinterface')
- && !preg_match('/^'.preg_quote($wgUser->getName(), '/').'\//', $this->mTextform) ) {
- wfProfileOut( $fname );
- return false;
- }
-
- foreach( $this->getRestrictions($action) as $right ) {
- // Backwards compatibility, rewrite sysop -> protect
- if ( $right == 'sysop' ) {
- $right = 'protect';
- }
- if( '' != $right && !$wgUser->isAllowed( $right ) ) {
- wfProfileOut( $fname );
- return false;
- }
- }
-
- if( $action == 'move' &&
- !( $this->isMovable() && $wgUser->isAllowed( 'move' ) ) ) {
- wfProfileOut( $fname );
- return false;
- }
-
- wfProfileOut( $fname );
- return true;
- }
-
/**
- * Can $wgUser edit this page?
- * @return boolean
- * @access public
+ * Can $wgUser perform $action on this page?
+ * This skips potentially expensive cascading permission checks
+ * as well as avoids expensive error formatting
+ *
+ * Suitable for use for nonessential UI controls in common cases, but
+ * _not_ for functional access control.
+ *
+ * May provide false positives, but should never provide a false negative.
+ *
+ * @param $action \type{\string} action that permission needs to be checked for
+ * @return \type{\bool}
*/
- function userCanEdit() {
- return $this->userCan('edit');
+ public function quickUserCan( $action ) {
+ return $this->userCan( $action, false );
}
/**
- * Can $wgUser move this page?
- * @return boolean
- * @access public
+ * Determines if $wgUser is unable to edit this page because it has been protected
+ * by $wgNamespaceProtection.
+ *
+ * @return \type{\bool}
*/
- function userCanMove() {
- return $this->userCan('move');
+ 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;
}
/**
- * Would anybody with sufficient privileges be able to move this page?
- * Some pages just aren't movable.
- *
- * @return boolean
- * @access public
+ * Can $wgUser perform $action on this page?
+ * @param $action \type{\string} action that permission needs to be checked for
+ * @param $doExpensiveQueries \type{\bool} Set this to false to avoid doing unnecessary queries.
+ * @return \type{\bool}
*/
- function isMovable() {
- return Namespace::isMovable( $this->getNamespace() )
- && $this->getInterwiki() == '';
+ public function userCan( $action, $doExpensiveQueries = true ) {
+ global $wgUser;
+ return ($this->getUserPermissionsErrorsInternal( $action, $wgUser, $doExpensiveQueries, true ) === array());
}
/**
- * Can $wgUser read this page?
- * @return boolean
- * @access public
+ * Can $user perform $action on this page?
+ *
+ * FIXME: This *does not* check throttles (User::pingLimiter()).
+ *
+ * @param $action \type{\string}action that permission needs to be checked for
+ * @param $user \type{User} user to check
+ * @param $doExpensiveQueries \type{\bool} Set this to false to avoid doing unnecessary queries.
+ * @param $ignoreErrors \type{\arrayof{\string}} Set this to a list of message keys whose corresponding errors may be ignored.
+ * @return \type{\array} Array of arrays of the arguments to wfMsg to explain permissions problems.
*/
- function userCanRead() {
- global $wgUser;
+ public function getUserPermissionsErrors( $action, $user, $doExpensiveQueries = true, $ignoreErrors = array() ) {
+ if( !StubObject::isRealObject( $user ) ) {
+ //Since StubObject is always used on globals, we can unstub $wgUser here and set $user = $wgUser
+ global $wgUser;
+ $wgUser->_unstub( '', 5 );
+ $user = $wgUser;
+ }
+ $errors = $this->getUserPermissionsErrorsInternal( $action, $user, $doExpensiveQueries );
+
+ global $wgContLang;
+ global $wgLang;
+ global $wgEmailConfirmToEdit;
+
+ if ( $wgEmailConfirmToEdit && !$user->isEmailConfirmed() && $action != 'createaccount' ) {
+ $errors[] = array( 'confirmedittext' );
+ }
+
+ // Edit blocks should not affect reading. Account creation blocks handled at userlogin.
+ if ( $action != 'read' && $action != 'createaccount' && $user->isBlockedFrom( $this ) ) {
+ $block = $user->mBlock;
+
+ // This is from OutputPage::blockedPage
+ // Copied at r23888 by werdna
+
+ $id = $user->blockedBy();
+ $reason = $user->blockedFor();
+ if( $reason == '' ) {
+ $reason = wfMsg( 'blockednoreason' );
+ }
+ $ip = wfGetIP();
+
+ if ( is_numeric( $id ) ) {
+ $name = User::whoIs( $id );
+ } else {
+ $name = $id;
+ }
+
+ $link = '[[' . $wgContLang->getNsText( NS_USER ) . ":{$name}|{$name}]]";
+ $blockid = $block->mId;
+ $blockExpiry = $user->mBlock->mExpiry;
+ $blockTimestamp = $wgLang->timeanddate( wfTimestamp( TS_MW, $user->mBlock->mTimestamp ), true );
+
+ if ( $blockExpiry == 'infinity' ) {
+ // Entry in database (table ipblocks) is 'infinity' but 'ipboptions' uses 'infinite' or 'indefinite'
+ $scBlockExpiryOptions = wfMsg( 'ipboptions' );
+
+ foreach ( explode( ',', $scBlockExpiryOptions ) as $option ) {
+ if ( strpos( $option, ':' ) == false )
+ continue;
+
+ list ($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 );
+ }
+
+ // Remove the errors being ignored.
+
+ foreach( $errors as $index => $error ) {
+ $error_key = is_array($error) ? $error[0] : $error;
+
+ if (in_array( $error_key, $ignoreErrors )) {
+ unset($errors[$index]);
+ }
+ }
+
+ return $errors;
+ }
+
+ /**
+ * Can $user perform $action on this page? This is an internal function,
+ * which checks ONLY that previously checked by userCan (i.e. it leaves out
+ * checks on wfReadOnly() and blocks)
+ *
+ * @param $action \type{\string} action that permission needs to be checked for
+ * @param $user \type{User} user to check
+ * @param $doExpensiveQueries \type{\bool} Set this to false to avoid doing unnecessary queries.
+ * @param $short \type{\bool} Set this to true to stop after the first permission error.
+ * @return \type{\array} Array of arrays of the arguments to wfMsg to explain permissions problems.
+ */
+ private function getUserPermissionsErrorsInternal( $action, $user, $doExpensiveQueries=true, $short=false ) {
+ wfProfileIn( __METHOD__ );
+
+ $errors = array();
+
+ // First stop is permissions checks, which fail most often, and which are easiest to test.
+ if ( $action == 'move' ) {
+ if( !$user->isAllowed( 'move-rootuserpages' )
+ && $this->getNamespace() == NS_USER && !$this->isSubpage() )
+ {
+ // Show user page-specific message only if the user can move other pages
+ $errors[] = array( 'cant-move-user-page' );
+ }
+
+ // Check if user is allowed to move files if it's a file
+ if( $this->getNamespace() == NS_FILE && !$user->isAllowed( 'movefile' ) ) {
+ $errors[] = array( 'movenotallowedfile' );
+ }
+
+ if( !$user->isAllowed( 'move' ) ) {
+ // User can't move anything
+ global $wgGroupPermissions;
+ $userCanMove = false;
+ if ( isset( $wgGroupPermissions['user']['move'] ) ) {
+ $userCanMove = $wgGroupPermissions['user']['move'];
+ }
+ $autoconfirmedCanMove = false;
+ if ( isset( $wgGroupPermissions['autoconfirmed']['move'] ) ) {
+ $autoconfirmedCanMove = $wgGroupPermissions['autoconfirmed']['move'];
+ }
+ if ( $user->isAnon() && ( $userCanMove || $autoconfirmedCanMove ) ) {
+ // custom message if logged-in users without any special rights can move
+ $errors[] = array ( 'movenologintext' );
+ } else {
+ $errors[] = array ('movenotallowed');
+ }
+ }
+ } elseif ( $action == 'create' ) {
+ if( ( $this->isTalkPage() && !$user->isAllowed( 'createtalk' ) ) ||
+ ( !$this->isTalkPage() && !$user->isAllowed( 'createpage' ) ) )
+ {
+ $errors[] = $user->isAnon() ? array ('nocreatetext') : array ('nocreate-loggedin');
+ }
+ } elseif( $action == 'move-target' ) {
+ if( !$user->isAllowed( 'move' ) ) {
+ // User can't move anything
+ $errors[] = array ('movenotallowed');
+ } elseif( !$user->isAllowed( 'move-rootuserpages' )
+ && $this->getNamespace() == NS_USER && !$this->isSubpage() )
+ {
+ // Show user page-specific message only if the user can move other pages
+ $errors[] = array( 'cant-move-to-user-page' );
+ }
+ } elseif( !$user->isAllowed( $action ) ) {
+ $return = null;
+
+ // We avoid expensive display logic for quickUserCan's and such
+ $groups = false;
+ if (!$short) {
+ $groups = array_map( array( 'User', 'makeGroupLinkWiki' ),
+ User::getGroupsWithPermission( $action ) );
+ }
+
+ if( $groups ) {
+ $return = array( 'badaccess-groups',
+ array( implode( ', ', $groups ), count( $groups ) ) );
+ } else {
+ $return = array( "badaccess-group0" );
+ }
+ $errors[] = $return;
+ }
+
+ # Short-circuit point
+ if( $short && count($errors) > 0 ) {
+ wfProfileOut( __METHOD__ );
+ return $errors;
+ }
+
+ // Use getUserPermissionsErrors instead
+ if( !wfRunHooks( 'userCan', array( &$this, &$user, $action, &$result ) ) ) {
+ wfProfileOut( __METHOD__ );
+ return $result ? array() : array( array( 'badaccess-group0' ) );
+ }
+ // Check getUserPermissionsErrors hook
+ if( !wfRunHooks( 'getUserPermissionsErrors', array(&$this,&$user,$action,&$result) ) ) {
+ if( is_array($result) && count($result) && !is_array($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( $result !== '' && is_string($result) )
+ $errors[] = array($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"
+ }
+ # Short-circuit point
+ if( $short && count($errors) > 0 ) {
+ wfProfileOut( __METHOD__ );
+ return $errors;
+ }
+ // Check getUserPermissionsErrorsExpensive hook
+ if( $doExpensiveQueries && !wfRunHooks( 'getUserPermissionsErrorsExpensive', array(&$this,&$user,$action,&$result) ) ) {
+ if( is_array($result) && count($result) && !is_array($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( $result !== '' && is_string($result) )
+ $errors[] = array($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"
+ }
+ # Short-circuit point
+ if( $short && count($errors) > 0 ) {
+ wfProfileOut( __METHOD__ );
+ return $errors;
+ }
+
+ # Only 'createaccount' and 'execute' can be performed on
+ # special pages, which don't actually exist in the DB.
+ $specialOKActions = array( 'createaccount', 'execute' );
+ if( NS_SPECIAL == $this->mNamespace && !in_array( $action, $specialOKActions) ) {
+ $errors[] = array('ns-specialprotected');
+ }
+
+ # Check $wgNamespaceProtection for restricted namespaces
+ if( $this->isNamespaceProtected() ) {
+ $ns = $this->getNamespace() == NS_MAIN ?
+ wfMsg( 'nstab-main' ) : $this->getNsText();
+ $errors[] = NS_MEDIAWIKI == $this->mNamespace ?
+ array('protectedinterface') : array( 'namespaceprotected', $ns );
+ }
+
+ # Protect css/js subpages of user pages
+ # XXX: this might be better using restrictions
+ # XXX: Find a way to work around the php bug that prevents using $this->userCanEditCssSubpage()
+ # and $this->userCanEditJsSubpage() from working
+ # XXX: right 'editusercssjs' is deprecated, for backward compatibility only
+ if( $this->isCssSubpage() && !( $user->isAllowed('editusercssjs') || $user->isAllowed('editusercss') )
+ && $action != 'patrol'
+ && !preg_match('/^'.preg_quote($user->getName(), '/').'\//', $this->mTextform) )
+ {
+ $errors[] = array('customcssjsprotected');
+ } else if( $this->isJsSubpage() && !( $user->isAllowed('editusercssjs') || $user->isAllowed('edituserjs') )
+ && $action != 'patrol'
+ && !preg_match('/^'.preg_quote($user->getName(), '/').'\//', $this->mTextform) )
+ {
+ $errors[] = array('customcssjsprotected');
+ }
+
+ # Check against page_restrictions table requirements on this
+ # page. The user must possess all required rights for this action.
+ foreach( $this->getRestrictions($action) as $right ) {
+ // Backwards compatibility, rewrite sysop -> protect
+ if( $right == 'sysop' ) {
+ $right = 'protect';
+ }
+ if( $right != '' && !$user->isAllowed( $right ) ) {
+ // Users with 'editprotected' permission can edit protected pages
+ if( $action=='edit' && $user->isAllowed( 'editprotected' ) ) {
+ // Users with 'editprotected' permission cannot edit protected pages
+ // with cascading option turned on.
+ if( $this->mCascadeRestriction ) {
+ $errors[] = array( 'protectedpagetext', $right );
+ }
+ } else {
+ $errors[] = array( 'protectedpagetext', $right );
+ }
+ }
+ }
+ # Short-circuit point
+ if( $short && count($errors) > 0 ) {
+ wfProfileOut( __METHOD__ );
+ return $errors;
+ }
+
+ 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 );
+ }
+ }
+ }
+ }
+ # Short-circuit point
+ if( $short && count($errors) > 0 ) {
+ wfProfileOut( __METHOD__ );
+ return $errors;
+ }
+
+ 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); // is this extract() really needed?
+
+ if( $pt_create_perm == 'sysop' ) {
+ $pt_create_perm = 'protect'; // B/C
+ }
+ if( $pt_create_perm == '' || !$user->isAllowed($pt_create_perm) ) {
+ $errors[] = array( 'titleprotected', User::whoIs($pt_user), $pt_reason );
+ }
+ }
+ } elseif( $action == 'move' ) {
+ // Check for immobile pages
+ if( !MWNamespace::isMovable( $this->getNamespace() ) ) {
+ // Specific message for this case
+ $errors[] = array( 'immobile-source-namespace', $this->getNsText() );
+ } elseif( !$this->isMovable() ) {
+ // Less specific message for rarer cases
+ $errors[] = array( 'immobile-page' );
+ }
+ } elseif( $action == 'move-target' ) {
+ if( !MWNamespace::isMovable( $this->getNamespace() ) ) {
+ $errors[] = array( 'immobile-target-namespace', $this->getNsText() );
+ } elseif( !$this->isMovable() ) {
+ $errors[] = array( 'immobile-target-page' );
+ }
+ }
+
+ wfProfileOut( __METHOD__ );
+ return $errors;
+ }
+
+ /**
+ * Is this title subject to title protection?
+ * @return \type{\mixed} An associative array representing any existent title
+ * protection, or false if there's none.
+ */
+ private function getTitleProtection() {
+ // Can't protect pages in special namespaces
+ if ( $this->getNamespace() < 0 ) {
+ return false;
+ }
+
+ // Can't protect pages that exist.
+ if ($this->exists()) {
+ return false;
+ }
+
+ $dbr = wfGetDB( DB_SLAVE );
+ $res = $dbr->select( 'protected_titles', '*',
+ array( 'pt_namespace' => $this->getNamespace(), 'pt_title' => $this->getDBkey() ),
+ __METHOD__ );
+
+ if ($row = $dbr->fetchRow( $res )) {
+ return $row;
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Update the title protection status
+ * @param $create_perm \type{\string} Permission required for creation
+ * @param $reason \type{\string} Reason for protection
+ * @param $expiry \type{\string} Expiry timestamp
+ */
+ public function updateTitleProtection( $create_perm, $reason, $expiry ) {
+ global $wgUser,$wgContLang;
- if( $wgUser->isAllowed('read') ) {
+ if ($create_perm == implode(',',$this->getRestrictions('create'))
+ && $expiry == $this->mRestrictionsExpiry['create']) {
+ // No change
+ return true;
+ }
+
+ list ($namespace, $title) = array( $this->getNamespace(), $this->getDBkey() );
+
+ $dbw = wfGetDB( DB_MASTER );
+
+ $encodedExpiry = Block::encodeExpiry($expiry, $dbw );
+
+ $expiry_description = '';
+ if ( $encodedExpiry != 'infinity' ) {
+ $expiry_description = ' (' . wfMsgForContent( 'protect-expiring',$wgContLang->timeanddate( $expiry ),
+ $wgContLang->date( $expiry ) , $wgContLang->time( $expiry ) ).')';
+ }
+ else {
+ $expiry_description .= ' (' . wfMsgForContent( 'protect-expiry-indefinite' ).')';
+ }
+
+ # Update protection table
+ if ($create_perm != '' ) {
+ $dbw->replace( 'protected_titles', array(array('pt_namespace', 'pt_title')),
+ array(
+ 'pt_namespace' => $namespace,
+ 'pt_title' => $title,
+ 'pt_create_perm' => $create_perm,
+ 'pt_timestamp' => Block::encodeExpiry(wfTimestampNow(), $dbw),
+ 'pt_expiry' => $encodedExpiry,
+ 'pt_user' => $wgUser->getId(),
+ 'pt_reason' => $reason,
+ ), __METHOD__
+ );
+ } else {
+ $dbw->delete( 'protected_titles', array( 'pt_namespace' => $namespace,
+ 'pt_title' => $title ), __METHOD__ );
+ }
+ # Update the protection log
+ if( $dbw->affectedRows() ) {
+ $log = new LogPage( 'protect' );
+
+ if( $create_perm ) {
+ $params = array("[create=$create_perm] $expiry_description",'');
+ $log->addEntry( ( isset( $this->mRestrictions['create'] ) && $this->mRestrictions['create'] ) ? 'modify' : 'protect', $this, trim( $reason ), $params );
+ } else {
+ $log->addEntry( 'unprotect', $this, $reason );
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Remove any title protection due to page existing
+ */
+ public function deleteTitleProtection() {
+ $dbw = wfGetDB( DB_MASTER );
+
+ $dbw->delete( 'protected_titles',
+ array( 'pt_namespace' => $this->getNamespace(), 'pt_title' => $this->getDBkey() ),
+ __METHOD__ );
+ }
+
+ /**
+ * Would anybody with sufficient privileges be able to move this page?
+ * Some pages just aren't movable.
+ *
+ * @return \type{\bool} TRUE or FALSE
+ */
+ public function isMovable() {
+ return MWNamespace::isMovable( $this->getNamespace() ) && $this->getInterwiki() == '';
+ }
+
+ /**
+ * Can $wgUser read this page?
+ * @return \type{\bool} TRUE or FALSE
+ * @todo fold these checks into userCan()
+ */
+ public function userCanRead() {
+ global $wgUser, $wgGroupPermissions;
+
+ static $useShortcut = null;
+
+ # Initialize the $useShortcut boolean, to determine if we can skip quite a bit of code below
+ if( is_null( $useShortcut ) ) {
+ global $wgRevokePermissions;
+ $useShortcut = true;
+ if( empty( $wgGroupPermissions['*']['read'] ) ) {
+ # Not a public wiki, so no shortcut
+ $useShortcut = false;
+ } elseif( !empty( $wgRevokePermissions ) ) {
+ /*
+ * Iterate through each group with permissions being revoked (key not included since we don't care
+ * what the group name is), then check if the read permission is being revoked. If it is, then
+ * we don't use the shortcut below since the user might not be able to read, even though anon
+ * reading is allowed.
+ */
+ foreach( $wgRevokePermissions as $perms ) {
+ if( !empty( $perms['read'] ) ) {
+ # We might be removing the read right from the user, so no shortcut
+ $useShortcut = false;
+ break;
+ }
+ }
+ }
+ }
+
+ $result = null;
+ wfRunHooks( 'userCan', array( &$this, &$wgUser, 'read', &$result ) );
+ if ( $result !== null ) {
+ return $result;
+ }
+
+ # Shortcut for public wikis, allows skipping quite a bit of code
+ if ( $useShortcut )
+ return true;
+
+ if( $wgUser->isAllowed( 'read' ) ) {
return true;
} else {
global $wgWhitelistRead;
- /** If anon users can create an account,
- they need to reach the login page first! */
- if( $wgUser->isAllowed( 'createaccount' )
- && $this->getNamespace() == NS_SPECIAL
- && $this->getText() == 'Userlogin' ) {
+ /**
+ * Always grant access to the login page.
+ * Even anons need to be able to log in.
+ */
+ if( $this->isSpecial( 'Userlogin' ) || $this->isSpecial( 'Resetpass' ) ) {
return true;
}
- /** some pages are explicitly allowed */
+ /**
+ * Bail out if there isn't whitelist
+ */
+ if( !is_array($wgWhitelistRead) ) {
+ return false;
+ }
+
+ /**
+ * Check for explicit whitelisting
+ */
$name = $this->getPrefixedText();
- if( $wgWhitelistRead && in_array( $name, $wgWhitelistRead ) ) {
+ $dbName = $this->getPrefixedDBKey();
+ // Check with and without underscores
+ if( in_array($name,$wgWhitelistRead,true) || in_array($dbName,$wgWhitelistRead,true) )
return true;
- }
- # Compatibility with old settings
- if( $wgWhitelistRead && $this->getNamespace() == NS_MAIN ) {
- if( in_array( ':' . $name, $wgWhitelistRead ) ) {
+ /**
+ * 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
- * @access public
+ * @return \type{\bool} TRUE or FALSE
*/
- function isTalkPage() {
- return Namespace::isTalk( $this->getNamespace() );
+ public function isTalkPage() {
+ return MWNamespace::isTalk( $this->getNamespace() );
+ }
+
+ /**
+ * Is this a subpage?
+ * @return \type{\bool} TRUE or FALSE
+ */
+ public function isSubpage() {
+ return MWNamespace::hasSubpages( $this->mNamespace )
+ ? strpos( $this->getText(), '/' ) !== false
+ : false;
+ }
+
+ /**
+ * Does this have subpages? (Warning, usually requires an extra DB query.)
+ * @return \type{\bool} TRUE or FALSE
+ */
+ public function hasSubpages() {
+ if( !MWNamespace::hasSubpages( $this->mNamespace ) ) {
+ # Duh
+ return false;
+ }
+
+ # We dynamically add a member variable for the purpose of this method
+ # alone to cache the result. There's no point in having it hanging
+ # around uninitialized in every Title object; therefore we only add it
+ # if needed and don't declare it statically.
+ if( isset( $this->mHasSubpages ) ) {
+ return $this->mHasSubpages;
+ }
+
+ $subpages = $this->getSubpages( 1 );
+ if( $subpages instanceof TitleArray )
+ return $this->mHasSubpages = (bool)$subpages->count();
+ return $this->mHasSubpages = false;
+ }
+
+ /**
+ * Get all subpages of this page.
+ * @param $limit Maximum number of subpages to fetch; -1 for no limit
+ * @return mixed TitleArray, or empty array if this page's namespace
+ * doesn't allow subpages
+ */
+ public function getSubpages( $limit = -1 ) {
+ if( !MWNamespace::hasSubpages( $this->getNamespace() ) )
+ return array();
+
+ $dbr = wfGetDB( DB_SLAVE );
+ $conds['page_namespace'] = $this->getNamespace();
+ $conds[] = 'page_title ' . $dbr->buildLike( $this->getDBkey() . '/', $dbr->anyString() );
+ $options = array();
+ if( $limit > -1 )
+ $options['LIMIT'] = $limit;
+ return $this->mSubpages = TitleArray::newFromResult(
+ $dbr->select( 'page',
+ array( 'page_id', 'page_namespace', 'page_title', 'page_is_redirect' ),
+ $conds,
+ __METHOD__,
+ $options
+ )
+ );
+ }
+
+ /**
+ * Could this page contain custom CSS or JavaScript, based
+ * on the title?
+ *
+ * @return \type{\bool} TRUE or FALSE
+ */
+ 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
- * @access public
+ * @return \type{\bool} TRUE or FALSE
*/
- function isCssJsSubpage() {
- return ( NS_USER == $this->mNamespace and preg_match("/\\.(css|js)$/", $this->mTextform ) );
+ public function isCssJsSubpage() {
+ return ( NS_USER == $this->mNamespace and preg_match("/\\/.*\\.(?:css|js)$/", $this->mTextform ) );
+ }
+ /**
+ * Is this a *valid* .css or .js subpage of a user page?
+ * Check that the corresponding skin exists
+ * @return \type{\bool} TRUE or FALSE
+ */
+ 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
- * @access public
+ * @return \type{\bool} TRUE or FALSE
*/
- function isCssSubpage() {
- return ( NS_USER == $this->mNamespace and preg_match("/\\.css$/", $this->mTextform ) );
+ public function isCssSubpage() {
+ return ( NS_USER == $this->mNamespace && preg_match("/\\/.*\\.css$/", $this->mTextform ) );
}
/**
* Is this a .js subpage of a user page?
- * @return bool
- * @access public
+ * @return \type{\bool} TRUE or FALSE
+ */
+ public function isJsSubpage() {
+ return ( NS_USER == $this->mNamespace && preg_match("/\\/.*\\.js$/", $this->mTextform ) );
+ }
+ /**
+ * Protect css subpages of user pages: can $wgUser edit
+ * this page?
+ *
+ * @return \type{\bool} TRUE or FALSE
+ * @todo XXX: this might be better using restrictions
*/
- function isJsSubpage() {
- return ( NS_USER == $this->mNamespace and preg_match("/\\.js$/", $this->mTextform ) );
+ public function userCanEditCssSubpage() {
+ global $wgUser;
+ return ( ( $wgUser->isAllowed('editusercssjs') && $wgUser->isAllowed('editusercss') )
+ || preg_match('/^'.preg_quote($wgUser->getName(), '/').'\//', $this->mTextform) );
}
/**
- * Protect css/js subpages of user pages: can $wgUser edit
+ * Protect js subpages of user pages: can $wgUser edit
* this page?
*
- * @return boolean
+ * @return \type{\bool} TRUE or FALSE
* @todo XXX: this might be better using restrictions
- * @access public
*/
- function userCanEditCssJsSubpage() {
+ public function userCanEditJsSubpage() {
global $wgUser;
- return ( $wgUser->isAllowed('editinterface') or preg_match('/^'.preg_quote($wgUser->getName(), '/').'\//', $this->mTextform) );
+ return ( ( $wgUser->isAllowed('editusercssjs') && $wgUser->isAllowed('edituserjs') )
+ || preg_match('/^'.preg_quote($wgUser->getName(), '/').'\//', $this->mTextform) );
}
/**
- * Loads a string into mRestrictions array
- * @param string $res restrictions in string format
- * @access public
- */
- function loadRestrictions( $res ) {
- foreach( explode( ':', trim( $res ) ) as $restrict ) {
- $temp = explode( '=', trim( $restrict ) );
- if(count($temp) == 1) {
- // old format should be treated as edit/move restriction
- $this->mRestrictions["edit"] = explode( ',', trim( $temp[0] ) );
- $this->mRestrictions["move"] = explode( ',', trim( $temp[0] ) );
+ * Cascading protection: Return true if cascading restrictions apply to this page, false if not.
+ *
+ * @return \type{\bool} If the page is subject to cascading restrictions.
+ */
+ public function isCascadeProtected() {
+ list( $sources, /* $restrictions */ ) = $this->getCascadeProtectionSources( false );
+ return ( $sources > 0 );
+ }
+
+ /**
+ * Cascading protection: Get the source of any cascading restrictions on this page.
+ *
+ * @param $get_pages \type{\bool} Whether or not to retrieve the actual pages that the restrictions have come from.
+ * @return \type{\arrayof{mixed title array, restriction array}} Array of the Title objects of the pages from
+ * which cascading restrictions have come, false for none, or true if such restrictions exist, but $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 ) {
+ $pagerestrictions = array();
+
+ 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_FILE ) {
+ $tables = array ('imagelinks', 'page_restrictions');
+ $where_clauses = array(
+ 'il_to' => $this->getDBkey(),
+ 'il_from=pr_page',
+ 'pr_cascade' => 1 );
+ } else {
+ $tables = array ('templatelinks', 'page_restrictions');
+ $where_clauses = array(
+ 'tl_namespace' => $this->getNamespace(),
+ 'tl_title' => $this->getDBkey(),
+ 'tl_from=pr_page',
+ 'pr_cascade' => 1 );
+ }
+
+ if ( $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;
+
+ foreach( $res as $row ) {
+ $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] ) ) {
+ $pagerestrictions[$row->pr_type] = array();
+ }
+
+ if ( isset($pagerestrictions[$row->pr_type]) &&
+ !in_array($row->pr_level, $pagerestrictions[$row->pr_type]) ) {
+ $pagerestrictions[$row->pr_type][]=$row->pr_level;
+ }
+ } else {
+ $sources = true;
+ }
} else {
- $this->mRestrictions[$temp[0]] = explode( ',', trim( $temp[1] ) );
+ // 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 $res \type{Resource} restrictions as an SQL result.
+ */
+ private function loadRestrictionsFromResultWrapper( $res, $oldFashionedRestrictions = null ) {
+ $rows = array();
+ $dbr = wfGetDB( DB_SLAVE );
+
+ while( $row = $dbr->fetchObject( $res ) ) {
+ $rows[] = $row;
+ }
+
+ $this->loadRestrictionsFromRows( $rows, $oldFashionedRestrictions );
+ }
+
+ public function loadRestrictionsFromRows( $rows, $oldFashionedRestrictions = null ) {
+ $dbr = wfGetDB( DB_SLAVE );
+
+ $restrictionTypes = $this->getRestrictionTypes();
+
+ foreach( $restrictionTypes as $type ){
+ $this->mRestrictions[$type] = array();
+ $this->mRestrictionsExpiry[$type] = Block::decodeExpiry('');
+ }
+
+ $this->mCascadeRestriction = false;
+
+ # Backwards-compatibility: also load the restrictions from the page record (old format).
+
+ if ( $oldFashionedRestrictions === null ) {
+ $oldFashionedRestrictions = $dbr->selectField( 'page', 'page_restrictions',
+ array( 'page_id' => $this->getArticleId() ), __METHOD__ );
+ }
+
+ if ($oldFashionedRestrictions != '') {
+
+ foreach( explode( ':', trim( $oldFashionedRestrictions ) ) as $restrict ) {
+ $temp = explode( '=', trim( $restrict ) );
+ if(count($temp) == 1) {
+ // old old format should be treated as edit/move restriction
+ $this->mRestrictions['edit'] = explode( ',', trim( $temp[0] ) );
+ $this->mRestrictions['move'] = explode( ',', trim( $temp[0] ) );
+ } else {
+ $this->mRestrictions[$temp[0]] = explode( ',', trim( $temp[1] ) );
+ }
}
+
+ $this->mOldRestrictions = true;
+
}
+
+ if( count($rows) ) {
+ # Current system - load second to make them override.
+ $now = wfTimestampNow();
+ $purgeExpired = false;
+
+ foreach( $rows as $row ) {
+ # Cycle through all the restrictions.
+
+ // Don't take care of restrictions types that aren't allowed
+
+ if( !in_array( $row->pr_type, $restrictionTypes ) )
+ continue;
+
+ // This code should be refactored, now that it's being used more generally,
+ // But I don't really see any harm in leaving it in Block for now -werdna
+ $expiry = Block::decodeExpiry( $row->pr_expiry );
+
+ // Only apply the restrictions if they haven't expired!
+ if ( !$expiry || $expiry > $now ) {
+ $this->mRestrictionsExpiry[$row->pr_type] = $expiry;
+ $this->mRestrictions[$row->pr_type] = explode( ',', trim( $row->pr_level ) );
+
+ $this->mCascadeRestriction |= $row->pr_cascade;
+ } else {
+ // Trigger a lazy purge of expired restrictions
+ $purgeExpired = true;
+ }
+ }
+
+ if( $purgeExpired ) {
+ Title::purgeExpiredRestrictions();
+ }
+ }
+
$this->mRestrictionsLoaded = true;
}
/**
- * Accessor/initialisation for mRestrictions
- * @param string $action action that permission needs to be checked for
- * @return array the array of groups allowed to edit this article
- * @access public
+ * Load restrictions from the page_restrictions table
*/
- function getRestrictions($action) {
- $id = $this->getArticleID();
- if ( 0 == $id ) { return array(); }
+ public function loadRestrictions( $oldFashionedRestrictions = null ) {
+ if( !$this->mRestrictionsLoaded ) {
+ if ($this->exists()) {
+ $dbr = wfGetDB( DB_SLAVE );
+
+ $res = $dbr->select( 'page_restrictions', '*',
+ array ( 'pr_page' => $this->getArticleId() ), __METHOD__ );
+
+ $this->loadRestrictionsFromResultWrapper( $res, $oldFashionedRestrictions );
+ } else {
+ $title_protection = $this->getTitleProtection();
+
+ if (is_array($title_protection)) {
+ extract($title_protection);
+
+ $now = wfTimestampNow();
+ $expiry = Block::decodeExpiry($pt_expiry);
- if ( ! $this->mRestrictionsLoaded ) {
- $dbr =& wfGetDB( DB_SLAVE );
- $res = $dbr->selectField( 'page', 'page_restrictions', 'page_id='.$id );
- $this->loadRestrictions( $res );
+ if (!$expiry || $expiry > $now) {
+ // Apply the restrictions
+ $this->mRestrictionsExpiry['create'] = $expiry;
+ $this->mRestrictions['create'] = explode(',', trim($pt_create_perm) );
+ } else { // Get rid of the old restrictions
+ Title::purgeExpiredRestrictions();
+ }
+ } else {
+ $this->mRestrictionsExpiry['create'] = Block::decodeExpiry('');
+ }
+ $this->mRestrictionsLoaded = true;
+ }
}
- if( isset( $this->mRestrictions[$action] ) ) {
- return $this->mRestrictions[$action];
+ }
+
+ /**
+ * Purge expired restrictions from the page_restrictions table
+ */
+ static function purgeExpiredRestrictions() {
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->delete( 'page_restrictions',
+ array( 'pr_expiry < ' . $dbw->addQuotes( $dbw->timestamp() ) ),
+ __METHOD__ );
+
+ $dbw->delete( 'protected_titles',
+ array( 'pt_expiry < ' . $dbw->addQuotes( $dbw->timestamp() ) ),
+ __METHOD__ );
+ }
+
+ /**
+ * Accessor/initialisation for mRestrictions
+ *
+ * @param $action \type{\string} action that permission needs to be checked for
+ * @return \type{\arrayof{\string}} the array of groups allowed to edit this article
+ */
+ public function getRestrictions( $action ) {
+ if( !$this->mRestrictionsLoaded ) {
+ $this->loadRestrictions();
+ }
+ return isset( $this->mRestrictions[$action] )
+ ? $this->mRestrictions[$action]
+ : array();
+ }
+
+ /**
+ * Get the expiry time for the restriction against a given action
+ * @return 14-char timestamp, or 'infinity' if the page is protected forever
+ * or not protected at all, or false if the action is not recognised.
+ */
+ public function getRestrictionExpiry( $action ) {
+ if( !$this->mRestrictionsLoaded ) {
+ $this->loadRestrictions();
}
- return array();
+ return isset( $this->mRestrictionsExpiry[$action] ) ? $this->mRestrictionsExpiry[$action] : false;
}
/**
* Is there a version of this page in the deletion archive?
- * @return int the number of archived revisions
- * @access public
+ * @return \type{\int} the number of archived revisions
*/
- function isDeleted() {
- $fname = 'Title::isDeleted';
- if ( $this->getNamespace() < 0 ) {
+ public function isDeleted() {
+ if( $this->getNamespace() < 0 ) {
$n = 0;
} else {
- $dbr =& wfGetDB( DB_SLAVE );
- $n = $dbr->selectField( 'archive', 'COUNT(*)', array( 'ar_namespace' => $this->getNamespace(),
- 'ar_title' => $this->getDBkey() ), $fname );
+ $dbr = wfGetDB( DB_SLAVE );
+ $n = $dbr->selectField( 'archive', 'COUNT(*)',
+ array( 'ar_namespace' => $this->getNamespace(), 'ar_title' => $this->getDBkey() ),
+ __METHOD__
+ );
+ if( $this->getNamespace() == NS_FILE ) {
+ $n += $dbr->selectField( 'filearchive', 'COUNT(*)',
+ array( 'fa_name' => $this->getDBkey() ),
+ __METHOD__
+ );
+ }
}
return (int)$n;
}
+ /**
+ * Is there a version of this page in the deletion archive?
+ * @return bool
+ */
+ public function isDeletedQuick() {
+ if( $this->getNamespace() < 0 ) {
+ return false;
+ }
+ $dbr = wfGetDB( DB_SLAVE );
+ $deleted = (bool)$dbr->selectField( 'archive', '1',
+ array( 'ar_namespace' => $this->getNamespace(), 'ar_title' => $this->getDBkey() ),
+ __METHOD__
+ );
+ if( !$deleted && $this->getNamespace() == NS_FILE ) {
+ $deleted = (bool)$dbr->selectField( 'filearchive', '1',
+ array( 'fa_name' => $this->getDBkey() ),
+ __METHOD__
+ );
+ }
+ return $deleted;
+ }
+
/**
* Get the article ID for this Title from the link cache,
* adding it if necessary
- * @param int $flags a bit field; may be GAID_FOR_UPDATE to select
- * for update
- * @return int the ID
- * @access public
- */
- function getArticleID( $flags = 0 ) {
- global $wgLinkCache;
-
- if ( $flags & GAID_FOR_UPDATE ) {
- $oldUpdate = $wgLinkCache->forUpdate( true );
- $this->mArticleID = $wgLinkCache->addLinkObj( $this );
- $wgLinkCache->forUpdate( $oldUpdate );
+ * @param $flags \type{\int} a bit field; may be GAID_FOR_UPDATE to select
+ * for update
+ * @return \type{\int} the ID
+ */
+ public function getArticleID( $flags = 0 ) {
+ if( $this->getNamespace() < 0 ) {
+ return $this->mArticleID = 0;
+ }
+ $linkCache = LinkCache::singleton();
+ if( $flags & GAID_FOR_UPDATE ) {
+ $oldUpdate = $linkCache->forUpdate( true );
+ $linkCache->clearLink( $this );
+ $this->mArticleID = $linkCache->addLinkObj( $this );
+ $linkCache->forUpdate( $oldUpdate );
} else {
- if ( -1 == $this->mArticleID ) {
- $this->mArticleID = $wgLinkCache->addLinkObj( $this );
+ if( -1 == $this->mArticleID ) {
+ $this->mArticleID = $linkCache->addLinkObj( $this );
}
}
return $this->mArticleID;
}
- function getLatestRevID() {
- if ($this->mLatestID !== false)
+ /**
+ * Is this an article that is a redirect page?
+ * Uses link cache, adding it if necessary
+ * @param $flags \type{\int} a bit field; may be GAID_FOR_UPDATE to select for update
+ * @return \type{\bool}
+ */
+ public function isRedirect( $flags = 0 ) {
+ if( !is_null($this->mRedirect) )
+ return $this->mRedirect;
+ # Calling getArticleID() loads the field from cache as needed
+ if( !$this->getArticleID($flags) ) {
+ return $this->mRedirect = false;
+ }
+ $linkCache = LinkCache::singleton();
+ $this->mRedirect = (bool)$linkCache->getGoodLinkFieldObj( $this, 'redirect' );
+
+ return $this->mRedirect;
+ }
+
+ /**
+ * What is the length of this page?
+ * Uses link cache, adding it if necessary
+ * @param $flags \type{\int} a bit field; may be GAID_FOR_UPDATE to select for update
+ * @return \type{\bool}
+ */
+ public function getLength( $flags = 0 ) {
+ if( $this->mLength != -1 )
+ return $this->mLength;
+ # Calling getArticleID() loads the field from cache as needed
+ if( !$this->getArticleID($flags) ) {
+ return $this->mLength = 0;
+ }
+ $linkCache = LinkCache::singleton();
+ $this->mLength = intval( $linkCache->getGoodLinkFieldObj( $this, 'length' ) );
+
+ return $this->mLength;
+ }
+
+ /**
+ * What is the page_latest field for this page?
+ * @param $flags \type{\int} a bit field; may be GAID_FOR_UPDATE to select for update
+ * @return \type{\int} or false if the page doesn't exist
+ */
+ public function getLatestRevID( $flags = 0 ) {
+ if( $this->mLatestID !== false )
return $this->mLatestID;
- $db =& wfGetDB(DB_SLAVE);
- return $this->mLatestID = $db->selectField( 'revision',
- "max(rev_id)",
- array('rev_page' => $this->getArticleID()),
- 'Title::getLatestRevID' );
+ $db = ($flags & GAID_FOR_UPDATE) ? wfGetDB(DB_MASTER) : wfGetDB(DB_SLAVE);
+ $this->mLatestID = $db->selectField( 'page', 'page_latest', $this->pageCond(), __METHOD__ );
+ return $this->mLatestID;
}
/**
* This clears some fields in this object, and clears any associated
- * keys in the "bad links" section of $wgLinkCache.
+ * 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
- * @access public
+ * @param $newid \type{\int} the new Article ID
*/
- function resetArticleID( $newid ) {
- global $wgLinkCache;
- $wgLinkCache->clearBadLink( $this->getPrefixedDBkey() );
+ public function resetArticleID( $newid ) {
+ $linkCache = LinkCache::singleton();
+ $linkCache->clearBadLink( $this->getPrefixedDBkey() );
- if ( 0 == $newid ) { $this->mArticleID = -1; }
- else { $this->mArticleID = $newid; }
+ if ( $newid === false ) { $this->mArticleID = -1; }
+ else { $this->mArticleID = intval( $newid ); }
$this->mRestrictionsLoaded = false;
$this->mRestrictions = array();
}
/**
* Updates page_touched for this page; called from LinksUpdate.php
- * @return bool true if the update succeded
- * @access public
+ * @return \type{\bool} true if the update succeded
*/
- function invalidateCache() {
- global $wgUseFileCache;
-
- if ( wfReadOnly() ) {
+ public function invalidateCache() {
+ if( wfReadOnly() ) {
return;
}
-
- $now = wfTimestampNow();
- $dbw =& wfGetDB( DB_MASTER );
+ $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'
+ array( 'page_touched' => $dbw->timestamp() ),
+ $this->pageCond(),
+ __METHOD__
);
-
- if ($wgUseFileCache) {
- $cache = new CacheManager($this);
- @unlink($cache->fileCacheName());
- }
-
+ HTMLFileCache::clearFileCache( $this );
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
- * @access private
+ * @param $name \type{\string} the text
+ * @return \type{\string} the prefixed text
+ * @private
*/
/* private */ function prefix( $name ) {
- global $wgContLang;
-
$p = '';
- if ( '' != $this->mInterwiki ) {
+ if ( $this->mInterwiki != '' ) {
$p = $this->mInterwiki . ':';
}
if ( 0 != $this->mNamespace ) {
- $p .= $wgContLang->getNsText( $this->mNamespace ) . ':';
+ $p .= $this->getNsText() . ':';
}
return $p . $name;
}
+ // Returns a simple regex that will match on characters and sequences invalid in titles.
+ // Note that this doesn't pick up many things that could be wrong with titles, but that
+ // replacing this regex with something valid will make many titles valid.
+ static function getTitleInvalidRegex() {
+ static $rxTc = false;
+ if( !$rxTc ) {
+ # Matching titles will be held as illegal.
+ $rxTc = '/' .
+ # Any character not allowed is forbidden...
+ '[^' . Title::legalChars() . ']' .
+ # URL percent encoding sequences interfere with the ability
+ # to round-trip titles -- you can't link to them consistently.
+ '|%[0-9A-Fa-f]{2}' .
+ # XML/HTML character references produce similar issues.
+ '|&[A-Za-z0-9\x80-\xff]+;' .
+ '|&#[0-9]+;' .
+ '|&#x[0-9A-Fa-f]+;' .
+ '/S';
+ }
+
+ return $rxTc;
+ }
+
+ /**
+ * Capitalize a text if it belongs to a namespace that capitalizes
+ */
+ public static function capitalize( $text, $ns = NS_MAIN ) {
+ global $wgContLang;
+
+ if ( MWNamespace::isCapitalized( $ns ) )
+ return $wgContLang->ucfirst( $text );
+ else
+ return $text;
+ }
+
/**
* Secure and split - main initialisation function for this object
*
* removes illegal characters, splits off the interwiki and
* namespace prefixes, sets the other forms, and canonicalizes
* everything.
- * @return bool true on success
- * @access private
+ * @return \type{\bool} true on success
*/
- /* private */ function secureAndSplit() {
- global $wgContLang, $wgLocalInterwiki, $wgCapitalLinks;
- $fname = 'Title::secureAndSplit';
- wfProfileIn( $fname );
+ private function secureAndSplit() {
+ global $wgContLang, $wgLocalInterwiki;
# Initialisation
- static $rxTc = false;
- if( !$rxTc ) {
- # % is needed as well
- $rxTc = '/[^' . Title::legalChars() . ']|%[0-9A-Fa-f]{2}/S';
- }
+ $rxTc = self::getTitleInvalidRegex();
$this->mInterwiki = $this->mFragment = '';
$this->mNamespace = $this->mDefaultNamespace; # Usually NS_MAIN
+ $dbkey = $this->mDbkeyform;
+
+ # Strip Unicode bidi override characters.
+ # Sometimes they slip into cut-n-pasted page titles, where the
+ # override chars get included in list displays.
+ $dbkey = preg_replace( '/\xE2\x80[\x8E\x8F\xAA-\xAE]/S', '', $dbkey );
+
# Clean up whitespace
+ # Note: use of the /u option on preg_replace here will cause
+ # input with invalid UTF-8 sequences to be nullified out in PHP 5.2.x,
+ # conveniently disabling them.
#
- $t = preg_replace( '/[ _]+/', '_', $this->mDbkeyform );
- $t = trim( $t, '_' );
+ $dbkey = preg_replace( '/[ _\xA0\x{1680}\x{180E}\x{2000}-\x{200A}\x{2028}\x{2029}\x{202F}\x{205F}\x{3000}]+/u', '_', $dbkey );
+ $dbkey = trim( $dbkey, '_' );
- if ( '' == $t ) {
- wfProfileOut( $fname );
+ if ( $dbkey == '' ) {
return false;
}
- if( false !== strpos( $t, UTF8_REPLACEMENT ) ) {
+ if( false !== strpos( $dbkey, UTF8_REPLACEMENT ) ) {
# Contained illegal UTF-8 sequences or forbidden Unicode chars.
- wfProfileOut( $fname );
return false;
}
- $this->mDbkeyform = $t;
+ $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 ( ':' == $t{0} ) {
+ if ( ':' == $dbkey{0} ) {
$this->mNamespace = NS_MAIN;
- $t = substr( $t, 1 ); # remove the colon but continue processing
+ $dbkey = substr( $dbkey, 1 ); # remove the colon but continue processing
+ $dbkey = trim( $dbkey, '_' ); # remove any subsequent whitespace
}
# Namespace or interwiki prefix
$firstPass = true;
+ $prefixRegexp = "/^(.+?)_*:_*(.*)$/S";
do {
- if ( preg_match( "/^(.+?)_*:_*(.*)$/S", $t, $m ) ) {
+ $m = array();
+ if ( preg_match( $prefixRegexp, $dbkey, $m ) ) {
$p = $m[1];
- $lowerNs = strtolower( $p );
- if ( $ns = Namespace::getCanonicalIndex( $lowerNs ) ) {
- # Canonical namespace
- $t = $m[2];
- $this->mNamespace = $ns;
- } elseif ( $ns = $wgContLang->getNsIndex( $lowerNs )) {
+ if ( $ns = $wgContLang->getNsIndex( $p ) ) {
# Ordinary namespace
- $t = $m[2];
+ $dbkey = $m[2];
$this->mNamespace = $ns;
- } elseif( $this->getInterwikiLink( $p ) ) {
+ # For Talk:X pages, check if X has a "namespace" prefix
+ if( $ns == NS_TALK && preg_match( $prefixRegexp, $dbkey, $x ) ) {
+ if( $wgContLang->getNsIndex( $x[1] ) )
+ return false; # Disallow Talk:File:x type titles...
+ else if( Interwiki::isValidInterwiki( $x[1] ) )
+ return false; # Disallow Talk:Interwiki:x type titles...
+ }
+ } elseif( Interwiki::isValidInterwiki( $p ) ) {
if( !$firstPass ) {
# Can't make a local interwiki link to an interwiki link.
# That's just crazy!
- wfProfileOut( $fname );
return false;
}
# Interwiki link
- $t = $m[2];
- $this->mInterwiki = $p;
+ $dbkey = $m[2];
+ $this->mInterwiki = $wgContLang->lc( $p );
# Redundant interwiki prefix to the local wiki
if ( 0 == strcasecmp( $this->mInterwiki, $wgLocalInterwiki ) ) {
- if( $t == '' ) {
+ if( $dbkey == '' ) {
# Can't have an empty self-link
- wfProfileOut( $fname );
return false;
}
$this->mInterwiki = '';
# 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 );
- $r = $t;
# We already know that some pages won't be in the database!
#
- if ( '' != $this->mInterwiki || -1 == $this->mNamespace ) {
+ if ( $this->mInterwiki != '' || NS_SPECIAL == $this->mNamespace ) {
$this->mArticleID = 0;
}
- $f = strstr( $r, '#' );
- if ( false !== $f ) {
- $this->mFragment = substr( $f, 1 );
- $r = substr( $r, 0, strlen( $r ) - strlen( $f ) );
+ $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_"
- $r = preg_replace( '/_*$/', '', $r );
+ $dbkey = preg_replace( '/_*$/', '', $dbkey );
}
# Reject illegal characters.
#
- if( preg_match( $rxTc, $r ) ) {
- wfProfileOut( $fname );
+ 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.
+ * Pages with "/./" or "/../" appearing in the URLs will often be un-
+ * reachable due to the way web browsers deal with 'relative' URLs.
+ * Also, they conflict with subpage syntax. Forbid them explicitly.
*/
- if ( strpos( $r, '.' ) !== false &&
- ( $r === '.' || $r === '..' ||
- strpos( $r, './' ) === 0 ||
- strpos( $r, '../' ) === 0 ||
- strpos( $r, '/./' ) !== false ||
- strpos( $r, '/../' ) !== false ) )
+ if ( strpos( $dbkey, '.' ) !== false &&
+ ( $dbkey === '.' || $dbkey === '..' ||
+ strpos( $dbkey, './' ) === 0 ||
+ strpos( $dbkey, '../' ) === 0 ||
+ strpos( $dbkey, '/./' ) !== false ||
+ strpos( $dbkey, '/../' ) !== false ||
+ substr( $dbkey, -2 ) == '/.' ||
+ substr( $dbkey, -3 ) == '/..' ) )
{
- wfProfileOut( $fname );
return false;
}
- # We shouldn't need to query the DB for the size.
- #$maxSize = $dbr->textFieldSize( 'page', 'page_title' );
- if ( strlen( $r ) > 255 ) {
- wfProfileOut( $fname );
+ /**
+ * 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;
}
* Don't force it for interwikis, since the other
* site might be case-sensitive.
*/
- if( $wgCapitalLinks && $this->mInterwiki == '') {
- $t = $wgContLang->ucfirst( $r );
- } else {
- $t = $r;
+ $this->mUserCaseDBKey = $dbkey;
+ if( $this->mInterwiki == '') {
+ $dbkey = self::capitalize( $dbkey, $this->mNamespace );
}
/**
* "empty" local links can only be self-links
* with a fragment identifier.
*/
- if( $t == '' &&
+ if( $dbkey == '' &&
$this->mInterwiki == '' &&
$this->mNamespace != NS_MAIN ) {
- wfProfileOut( $fname );
+ return false;
+ }
+ // Allow IPv6 usernames to start with '::' by canonicalizing IPv6 titles.
+ // IP names are not allowed for accounts, and can only be referring to
+ // edits from the IP. Given '::' abbreviations and caps/lowercaps,
+ // there are numerous ways to present the same IP. Having sp:contribs scan
+ // them all is silly and having some show the edits and others not is
+ // inconsistent. Same for talk/userpages. Keep them normalized instead.
+ $dbkey = ($this->mNamespace == NS_USER || $this->mNamespace == NS_USER_TALK) ?
+ IP::sanitizeIP( $dbkey ) : $dbkey;
+ // Any remaining initial :s are illegal.
+ if ( $dbkey !== '' && ':' == $dbkey{0} ) {
return false;
}
# Fill fields
- $this->mDbkeyform = $t;
- $this->mUrlform = wfUrlencode( $t );
+ $this->mDbkeyform = $dbkey;
+ $this->mUrlform = wfUrlencode( $dbkey );
- $this->mTextform = str_replace( '_', ' ', $t );
+ $this->mTextform = str_replace( '_', ' ', $dbkey );
- wfProfileOut( $fname );
return true;
}
+ /**
+ * Set the fragment for this title. Removes the first character from the
+ * specified fragment before setting, so it assumes you're passing it with
+ * an initial "#".
+ *
+ * Deprecated for public use, use Title::makeTitle() with fragment parameter.
+ * Still in active use privately.
+ *
+ * @param $fragment \type{\string} text
+ */
+ public function setFragment( $fragment ) {
+ $this->mFragment = str_replace( '_', ' ', substr( $fragment, 1 ) );
+ }
+
/**
* Get a Title object associated with the talk page of this article
- * @return Title the object for the talk page
- * @access public
+ * @return \type{Title} the object for the talk page
*/
- function getTalkPage() {
- return Title::makeTitle( Namespace::getTalk( $this->getNamespace() ), $this->getDBkey() );
+ 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
- * @access public
+ * @return \type{Title} the object for the subject page
*/
- function getSubjectPage() {
- return Title::makeTitle( Namespace::getSubject( $this->getNamespace() ), $this->getDBkey() );
+ public function getSubjectPage() {
+ // Is this the same title?
+ $subjectNS = MWNamespace::getSubject( $this->getNamespace() );
+ if( $this->getNamespace() == $subjectNS ) {
+ return $this;
+ }
+ return Title::makeTitle( $subjectNS, $this->getDBkey() );
}
/**
* Get an array of Title objects linking to this Title
* Also stores the IDs in the link cache.
*
- * @param string $options may be FOR UPDATE
- * @return array the Title objects linking here
- * @access public
+ * WARNING: do not use this function on arbitrary user-supplied titles!
+ * On heavily-used templates it will max out the memory.
+ *
+ * @param array $options may be FOR UPDATE
+ * @return \type{\arrayof{Title}} the Title objects linking here
*/
- function getLinksTo( $options = '' ) {
- global $wgLinkCache;
- $id = $this->getArticleID();
+ public function getLinksTo( $options = array(), $table = 'pagelinks', $prefix = 'pl' ) {
+ $linkCache = LinkCache::singleton();
- if ( $options ) {
- $db =& wfGetDB( DB_MASTER );
+ if ( count( $options ) > 0 ) {
+ $db = wfGetDB( DB_MASTER );
} else {
- $db =& wfGetDB( DB_SLAVE );
+ $db = wfGetDB( DB_SLAVE );
}
- $res = $db->select( array( 'page', 'pagelinks' ),
- array( 'page_namespace', 'page_title', 'page_id' ),
+ $res = $db->select( array( 'page', $table ),
+ array( 'page_namespace', 'page_title', 'page_id', 'page_len', 'page_is_redirect' ),
array(
- 'pl_from=page_id',
- 'pl_namespace' => $this->getNamespace(),
- 'pl_title' => $this->getDbKey() ),
- 'Title::getLinksTo',
+ "{$prefix}_from=page_id",
+ "{$prefix}_namespace" => $this->getNamespace(),
+ "{$prefix}_title" => $this->getDBkey() ),
+ __METHOD__,
$options );
$retVal = array();
if ( $db->numRows( $res ) ) {
- while ( $row = $db->fetchObject( $res ) ) {
+ foreach( $res as $row ) {
if ( $titleObj = Title::makeTitle( $row->page_namespace, $row->page_title ) ) {
- $wgLinkCache->addGoodLinkObj( $row->page_id, $titleObj );
+ $linkCache->addGoodLinkObj( $row->page_id, $titleObj, $row->page_len, $row->page_is_redirect );
$retVal[] = $titleObj;
}
}
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 array $options may be FOR UPDATE
+ * @return \type{\arrayof{Title}} the Title objects linking here
+ */
+ public function getTemplateLinksTo( $options = array() ) {
+ return $this->getLinksTo( $options, 'templatelinks', 'tl' );
+ }
+
/**
* Get an array of Title objects referring to non-existent articles linked from this page
*
- * @param string $options may be FOR UPDATE
- * @return array the Title objects
- * @access public
+ * @todo check if needed (used only in SpecialBrokenRedirects.php, and should use redirect table in this case)
+ * @return \type{\arrayof{Title}} the Title objects
*/
- function getBrokenLinksFrom( $options = '' ) {
- global $wgLinkCache;
+ public function getBrokenLinksFrom() {
+ 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 );
+ $dbr = wfGetDB( DB_SLAVE );
+ $res = $dbr->select(
+ array( 'page', 'pagelinks' ),
+ array( 'pl_namespace', 'pl_title' ),
+ array(
+ 'pl_from' => $this->getArticleId(),
+ 'page_namespace IS NULL'
+ ),
+ __METHOD__, array(),
+ array(
+ 'page' => array(
+ 'LEFT JOIN',
+ array( 'pl_namespace=page_namespace', 'pl_title=page_title' )
+ )
+ )
+ );
$retVal = array();
- if ( $db->numRows( $res ) ) {
- while ( $row = $db->fetchObject( $res ) ) {
- $retVal[] = Title::makeTitle( $row->pl_namespace, $row->pl_title );
- }
+ foreach( $res as $row ) {
+ $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
- * @access public
+ * @return \type{\arrayof{\string}} the URLs
*/
- function getSquidURLs() {
- return array(
+ 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;
+ }
+
+ /**
+ * Purge all applicable Squid URLs
+ */
+ public function purgeSquid() {
+ global $wgUseSquid;
+ if ( $wgUseSquid ) {
+ $urls = $this->getSquidURLs();
+ $u = new SquidUpdate( $urls );
+ $u->doUpdate();
+ }
}
/**
* Move this page without authentication
- * @param Title &$nt the new page Title
- * @access public
+ * @param &$nt \type{Title} the new page Title
*/
- function moveNoAuth( &$nt ) {
+ 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 $wgUser's permissions
- * should be checked
- * @return mixed true on success, message name on failure
- * @access public
- */
- function isValidMoveOperation( &$nt, $auth = true, $reason = '' ) {
+ * Returns true if ok, or a getUserPermissionsErrors()-like array otherwise
+ * @param &$nt \type{Title} the new title
+ * @param $auth \type{\bool} indicates whether $wgUser's permissions
+ * should be checked
+ * @param $reason \type{\string} is the log summary of the move, used for spam checking
+ * @return \type{\mixed} True on success, getUserPermissionsErrors()-like array on failure
+ */
+ public function isValidMoveOperation( &$nt, $auth = true, $reason = '' ) {
global $wgUser;
- if( !$this or !$nt ) {
- return 'badtitletext';
+
+ $errors = array();
+ if( !$nt ) {
+ // Normally we'd add this to $errors, but we'll get
+ // lots of syntax errors if $nt is not an object
+ return array(array('badtitletext'));
}
if( $this->equals( $nt ) ) {
- return 'selfmove';
+ $errors[] = array('selfmove');
+ }
+ if( !$this->isMovable() ) {
+ $errors[] = array( 'immobile-source-namespace', $this->getNsText() );
+ }
+ if ( $nt->getInterwiki() != '' ) {
+ $errors[] = array( 'immobile-target-namespace-iw' );
}
- if( !$this->isMovable() || !$nt->isMovable() ) {
- return 'immobile_namespace';
+ if ( !$nt->isMovable() ) {
+ $errors[] = array('immobile-target-namespace', $nt->getNsText() );
}
- $fname = 'Title::move';
- $oldid = $this->getArticleID();
- $newid = $nt->getArticleID();
+ $oldid = $this->getArticleID();
+ $newid = $nt->getArticleID();
+
+ if ( strlen( $nt->getDBkey() ) < 1 ) {
+ $errors[] = array('articleexists');
+ }
+ if ( ( $this->getDBkey() == '' ) ||
+ ( !$oldid ) ||
+ ( $nt->getDBkey() == '' ) ) {
+ $errors[] = array('badarticleerror');
+ }
+
+ // Image-specific checks
+ if( $this->getNamespace() == NS_FILE ) {
+ $file = wfLocalFile( $this );
+ if( $file->exists() ) {
+ if( $nt->getNamespace() != NS_FILE ) {
+ $errors[] = array('imagenocrossnamespace');
+ }
+ if( $nt->getText() != wfStripIllegalFilenameChars( $nt->getText() ) ) {
+ $errors[] = array('imageinvalidfilename');
+ }
+ if( !File::checkExtensionCompatibility( $file, $nt->getDBkey() ) ) {
+ $errors[] = array('imagetypemismatch');
+ }
+ }
+ $destfile = wfLocalFile( $nt );
+ if( !$wgUser->isAllowed( 'reupload-shared' ) && !$destfile->exists() && wfFindFile( $nt ) ) {
+ $errors[] = array( 'file-exists-sharedrepo' );
+ }
+
+ }
- if ( strlen( $nt->getDBkey() ) < 1 ) {
- return 'articleexists';
+ if ( $auth ) {
+ $errors = wfMergeErrorArrays( $errors,
+ $this->getUserPermissionsErrors('move', $wgUser),
+ $this->getUserPermissionsErrors('edit', $wgUser),
+ $nt->getUserPermissionsErrors('move-target', $wgUser),
+ $nt->getUserPermissionsErrors('edit', $wgUser) );
}
- if ( ( '' == $this->getDBkey() ) ||
- ( !$oldid ) ||
- ( '' == $nt->getDBkey() ) ) {
- return 'badarticleerror';
+
+ $match = EditPage::matchSummarySpamRegex( $reason );
+ if( $match !== false ) {
+ // This is kind of lame, won't display nice
+ $errors[] = array('spamprotectiontext');
}
- if ( $auth && (
- !$this->userCanEdit() || !$nt->userCanEdit() ||
- !$this->userCanMove() || !$nt->userCanMove() ) ) {
- return 'protectedpage';
+ $err = null;
+ if( !wfRunHooks( 'AbortMove', array( $this, $nt, $wgUser, &$err, $reason ) ) ) {
+ $errors[] = array('hookaborted', $err);
}
# The move is allowed only if (1) the target doesn't exist, or
if ( 0 != $newid ) { # Target exists; check for validity
if ( ! $this->isValidMoveTarget( $nt ) ) {
- return 'articleexists';
+ $errors[] = array('articleexists');
+ }
+ } else {
+ $tp = $nt->getTitleProtection();
+ $right = ( $tp['pt_create_perm'] == 'sysop' ) ? 'protect' : $tp['pt_create_perm'];
+ if ( $tp and !$wgUser->isAllowed( $right ) ) {
+ $errors[] = array('cantmove-titleprotected');
}
}
- return true;
+ if(empty($errors))
+ return true;
+ return $errors;
}
/**
* Move a title to a new location
- * @param Title &$nt the new title
- * @param bool $auth indicates whether $wgUser's permissions
- * should be checked
- * @return mixed true on success, message name on failure
- * @access public
- */
- function moveTo( &$nt, $auth = true, $reason = '' ) {
+ * @param &$nt \type{Title} the new title
+ * @param $auth \type{\bool} indicates whether $wgUser's permissions
+ * should be checked
+ * @param $reason \type{\string} The reason for the move
+ * @param $createRedirect \type{\bool} Whether to create a redirect from the old title to the new title.
+ * Ignored if the user doesn't have the suppressredirect right.
+ * @return \type{\mixed} true on success, getUserPermissionsErrors()-like array on failure
+ */
+ public function moveTo( &$nt, $auth = true, $reason = '', $createRedirect = true ) {
$err = $this->isValidMoveOperation( $nt, $auth, $reason );
- if( is_string( $err ) ) {
+ if( is_array( $err ) ) {
return $err;
}
+ // If it is a file, move it first. It is done before all other moving stuff is done because it's hard to revert
+ $dbw = wfGetDB( DB_MASTER );
+ if( $this->getNamespace() == NS_FILE ) {
+ $file = wfLocalFile( $this );
+ if( $file->exists() ) {
+ $status = $file->move( $nt );
+ if( !$status->isOk() ) {
+ return $status->getErrorsArray();
+ }
+ }
+ }
+
$pageid = $this->getArticleID();
+ $protected = $this->isProtected();
if( $nt->exists() ) {
- $this->moveOverExistingRedirect( $nt, $reason );
- $pageCountChange = 0;
+ $err = $this->moveOverExistingRedirect( $nt, $reason, $createRedirect );
+ $pageCountChange = ($createRedirect ? 0 : -1);
} else { # Target didn't exist, do normal move.
- $this->moveToNewTitle( $nt, $newid, $reason );
- $pageCountChange = 1;
+ $err = $this->moveToNewTitle( $nt, $reason, $createRedirect );
+ $pageCountChange = ($createRedirect ? 1 : 0);
+ }
+
+ if( is_array( $err ) ) {
+ return $err;
}
$redirid = $this->getArticleID();
- # Fixing category links (those without piped 'alternate' names) to be sorted under the new title
- $dbw =& wfGetDB( DB_MASTER );
- $categorylinks = $dbw->tableName( 'categorylinks' );
- $sql = "UPDATE $categorylinks SET cl_sortkey=" . $dbw->addQuotes( $nt->getPrefixedText() ) .
- " WHERE cl_from=" . $dbw->addQuotes( $pageid ) .
- " AND cl_sortkey=" . $dbw->addQuotes( $this->getPrefixedText() );
- $dbw->query( $sql, 'SpecialMovepage::doSubmit' );
+ // 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->update( 'categorylinks',
+ array(
+ 'cl_sortkey' => $nt->getPrefixedText(),
+ 'cl_timestamp=cl_timestamp' ),
+ array(
+ 'cl_from' => $pageid,
+ 'cl_sortkey' => $this->getPrefixedText() ),
+ __METHOD__ );
- # Update watchlists
+ if( $protected ) {
+ # Protect the redirect title as the title used to be...
+ $dbw->insertSelect( 'page_restrictions', 'page_restrictions',
+ array(
+ 'pr_page' => $redirid,
+ 'pr_type' => 'pr_type',
+ 'pr_level' => 'pr_level',
+ 'pr_cascade' => 'pr_cascade',
+ 'pr_user' => 'pr_user',
+ 'pr_expiry' => 'pr_expiry'
+ ),
+ array( 'pr_page' => $pageid ),
+ __METHOD__,
+ array( 'IGNORE' )
+ );
+ # Update the protection log
+ $log = new LogPage( 'protect' );
+ $comment = wfMsgForContent( 'prot_1movedto2', $this->getPrefixedText(), $nt->getPrefixedText() );
+ if( $reason ) $comment .= wfMsgForContent( 'colon-separator' ) . $reason;
+ $log->addEntry( 'move_prot', $nt, $comment, array($this->getPrefixedText()) ); // FIXME: $params?
+ }
+ # Update watchlists
$oldnamespace = $this->getNamespace() & ~1;
$newnamespace = $nt->getNamespace() & ~1;
$oldtitle = $this->getDBkey();
$u->doUpdate();
# Update site_stats
- if ( $this->getNamespace() == NS_MAIN and $nt->getNamespace() != NS_MAIN ) {
- # Moved out of main namespace
- # not viewed, edited, removing
- $u = new SiteStatsUpdate( 0, 1, -1, $pageCountChange);
- } elseif ( $this->getNamespace() != NS_MAIN and $nt->getNamespace() == NS_MAIN ) {
- # Moved into main namespace
- # not viewed, edited, adding
+ 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 ) {
- # Added redirect
+ } elseif( $pageCountChange ) {
+ # Redirect added
$u = new SiteStatsUpdate( 0, 0, 0, 1 );
- } else{
+ } else {
+ # Nothing special
$u = false;
}
- if ( $u ) {
+ if( $u )
$u->doUpdate();
+ # Update message cache for interface messages
+ if( $nt->getNamespace() == NS_MEDIAWIKI ) {
+ global $wgMessageCache;
+
+ # @bug 17860: old article can be deleted, if this the case,
+ # delete it from message cache
+ if ( $this->getArticleID() === 0 ) {
+ $wgMessageCache->replace( $this->getDBkey(), false );
+ } else {
+ $oldarticle = new Article( $this );
+ $wgMessageCache->replace( $this->getDBkey(), $oldarticle->getContent() );
+ }
+
+ $newarticle = new Article( $nt );
+ $wgMessageCache->replace( $nt->getDBkey(), $newarticle->getContent() );
}
global $wgUser;
* Move page to a title which is at present a redirect to the
* source page
*
- * @param Title &$nt the page to move to, which should currently
- * be a redirect
- * @access private
+ * @param &$nt \type{Title} the page to move to, which should currently
+ * be a redirect
+ * @param $reason \type{\string} The reason for the move
+ * @param $createRedirect \type{\bool} Whether to leave a redirect at the old title.
+ * Ignored if the user doesn't have the suppressredirect right
*/
- function moveOverExistingRedirect( &$nt, $reason = '' ) {
- global $wgUser, $wgLinkCache, $wgUseSquid, $wgMwRedir;
- $fname = 'Title::moveOverExistingRedirect';
- $comment = wfMsgForContent( '1movedto2', $this->getPrefixedText(), $nt->getPrefixedText() );
+ private function moveOverExistingRedirect( &$nt, $reason = '', $createRedirect = true ) {
+ global $wgUseSquid, $wgUser, $wgContLang;
+
+ $comment = wfMsgForContent( '1movedto2_redir', $this->getPrefixedText(), $nt->getPrefixedText() );
if ( $reason ) {
- $comment .= ": $reason";
+ $comment .= wfMsgForContent( 'colon-separator' ) . $reason;
}
+ # Truncate for whole multibyte characters. +5 bytes for ellipsis
+ $comment = $wgContLang->truncate( $comment, 250 );
$now = wfTimestampNow();
- $rand = wfRandom();
$newid = $nt->getArticleID();
$oldid = $this->getArticleID();
- $dbw =& wfGetDB( DB_MASTER );
- $links = $dbw->tableName( 'links' );
+ $latest = $this->getLatestRevID();
+
+ $dbw = wfGetDB( DB_MASTER );
+
+ $rcts = $dbw->timestamp( $nt->getEarliestRevTime() );
+ $newns = $nt->getNamespace();
+ $newdbk = $nt->getDBkey();
# Delete the old redirect. We don't save it to history since
# by definition if we've got here it's rather uninteresting.
# We have to remove it so that the next step doesn't trigger
# a conflict on the unique namespace+title index...
- $dbw->delete( 'page', array( 'page_id' => $newid ), $fname );
+ $dbw->delete( 'page', array( 'page_id' => $newid ), __METHOD__ );
+ if ( !$dbw->cascadingDeletes() ) {
+ $dbw->delete( 'revision', array( 'rev_page' => $newid ), __METHOD__ );
+ global $wgUseTrackbacks;
+ if ($wgUseTrackbacks)
+ $dbw->delete( 'trackbacks', array( 'tb_page' => $newid ), __METHOD__ );
+ $dbw->delete( 'pagelinks', array( 'pl_from' => $newid ), __METHOD__ );
+ $dbw->delete( 'imagelinks', array( 'il_from' => $newid ), __METHOD__ );
+ $dbw->delete( 'categorylinks', array( 'cl_from' => $newid ), __METHOD__ );
+ $dbw->delete( 'templatelinks', array( 'tl_from' => $newid ), __METHOD__ );
+ $dbw->delete( 'externallinks', array( 'el_from' => $newid ), __METHOD__ );
+ $dbw->delete( 'langlinks', array( 'll_from' => $newid ), __METHOD__ );
+ $dbw->delete( 'redirect', array( 'rd_from' => $newid ), __METHOD__ );
+ }
+ // If the redirect was recently created, it may have an entry in recentchanges still
+ $dbw->delete( 'recentchanges',
+ array( 'rc_timestamp' => $rcts, 'rc_namespace' => $newns, 'rc_title' => $newdbk, 'rc_new' => 1 ),
+ __METHOD__
+ );
# Save a null revision in the page's history notifying of the move
- $nullRevision = Revision::newNullRevision( $dbw, $oldid,
- wfMsgForContent( '1movedto2', $this->getPrefixedText(), $nt->getPrefixedText() ),
- true );
+ $nullRevision = Revision::newNullRevision( $dbw, $oldid, $comment, true );
$nullRevId = $nullRevision->insertOn( $dbw );
+ $article = new Article( $this );
+ wfRunHooks( 'NewRevisionFromEditComplete', array($article, $nullRevision, $latest, $wgUser) );
+
# Change the name of the target page:
$dbw->update( 'page',
/* SET */ array(
'page_latest' => $nullRevId,
),
/* WHERE */ array( 'page_id' => $oldid ),
- $fname
+ __METHOD__
);
- $wgLinkCache->clearLink( $nt->getPrefixedDBkey() );
+ $nt->resetArticleID( $oldid );
# Recreate the redirect, this time in the other direction.
- $redirectText = $wgMwRedir->getSynonym( 0 ) . ' [[' . $nt->getPrefixedText() . "]]\n";
- $redirectArticle = new Article( $this );
- $newid = $redirectArticle->insertOn( $dbw );
- $redirectRevision = new Revision( array(
- 'page' => $newid,
- 'comment' => $comment,
- 'text' => $redirectText ) );
- $revid = $redirectRevision->insertOn( $dbw );
- $redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
- $wgLinkCache->clearLink( $this->getPrefixedDBkey() );
+ if( $createRedirect || !$wgUser->isAllowed('suppressredirect') ) {
+ $mwRedir = MagicWord::get( 'redirect' );
+ $redirectText = $mwRedir->getSynonym( 0 ) . ' [[' . $nt->getPrefixedText() . "]]\n";
+ $redirectArticle = new Article( $this );
+ $newid = $redirectArticle->insertOn( $dbw );
+ $redirectRevision = new Revision( array(
+ 'page' => $newid,
+ 'comment' => $comment,
+ 'text' => $redirectText ) );
+ $redirectRevision->insertOn( $dbw );
+ $redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
+
+ wfRunHooks( 'NewRevisionFromEditComplete', array($redirectArticle, $redirectRevision, false, $wgUser) );
+
+ # Now, we record the link from the redirect to the new title.
+ # It should have no other outgoing links...
+ $dbw->delete( 'pagelinks', array( 'pl_from' => $newid ), __METHOD__ );
+ $dbw->insert( 'pagelinks',
+ array(
+ 'pl_from' => $newid,
+ 'pl_namespace' => $nt->getNamespace(),
+ 'pl_title' => $nt->getDBkey() ),
+ __METHOD__ );
+ $redirectSuppressed = false;
+ } else {
+ $this->resetArticleID( 0 );
+ $redirectSuppressed = true;
+ }
# Log the move
$log = new LogPage( 'move' );
- $log->addEntry( 'move_redir', $this, $reason, array( 1 => $nt->getPrefixedText() ) );
-
- # 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 );
+ $log->addEntry( 'move_redir', $this, $reason, array( 1 => $nt->getPrefixedText(), 2 => $redirectSuppressed ) );
# Purge squid
if ( $wgUseSquid ) {
$u = new SquidUpdate( $urls );
$u->doUpdate();
}
+
}
/**
* Move page to non-existing title.
- * @param Title &$nt the new Title
- * @param int &$newid set to be the new article ID
- * @access private
- */
- function moveToNewTitle( &$nt, &$newid, $reason = '' ) {
- global $wgUser, $wgLinkCache, $wgUseSquid;
- global $wgMwRedir;
- $fname = 'MovePageForm::moveToNewTitle';
+ * @param &$nt \type{Title} the new Title
+ * @param $reason \type{\string} The reason for the move
+ * @param $createRedirect \type{\bool} Whether to create a redirect from the old title to the new title
+ * Ignored if the user doesn't have the suppressredirect right
+ */
+ private function moveToNewTitle( &$nt, $reason = '', $createRedirect = true ) {
+ global $wgUseSquid, $wgUser, $wgContLang;
+
$comment = wfMsgForContent( '1movedto2', $this->getPrefixedText(), $nt->getPrefixedText() );
if ( $reason ) {
- $comment .= ": $reason";
+ $comment .= wfMsgExt( 'colon-separator',
+ array( 'escapenoentities', 'content' ) );
+ $comment .= $reason;
}
+ # Truncate for whole multibyte characters. +5 bytes for ellipsis
+ $comment = $wgContLang->truncate( $comment, 250 );
$newid = $nt->getArticleID();
$oldid = $this->getArticleID();
- $dbw =& wfGetDB( DB_MASTER );
+ $latest = $this->getLatestRevId();
+
+ $dbw = wfGetDB( DB_MASTER );
$now = $dbw->timestamp();
- wfSeedRandom();
- $rand = wfRandom();
# Save a null revision in the page's history notifying of the move
- $nullRevision = Revision::newNullRevision( $dbw, $oldid,
- wfMsgForContent( '1movedto2', $this->getPrefixedText(), $nt->getPrefixedText() ),
- true );
+ $nullRevision = Revision::newNullRevision( $dbw, $oldid, $comment, true );
+ if ( !is_object( $nullRevision ) ) {
+ throw new MWException( 'No valid null revision produced in ' . __METHOD__ );
+ }
$nullRevId = $nullRevision->insertOn( $dbw );
- # Rename cur entry
+ $article = new Article( $this );
+ wfRunHooks( 'NewRevisionFromEditComplete', array($article, $nullRevision, $latest, $wgUser) );
+
+ # Rename page entry
$dbw->update( 'page',
/* SET */ array(
'page_touched' => $now,
'page_latest' => $nullRevId,
),
/* WHERE */ array( 'page_id' => $oldid ),
- $fname
+ __METHOD__
);
-
- $wgLinkCache->clearLink( $nt->getPrefixedDBkey() );
-
- # Insert redirect
- $redirectText = $wgMwRedir->getSynonym( 0 ) . ' [[' . $nt->getPrefixedText() . "]]\n";
- $redirectArticle = new Article( $this );
- $newid = $redirectArticle->insertOn( $dbw );
- $redirectRevision = new Revision( array(
- 'page' => $newid,
- 'comment' => $comment,
- 'text' => $redirectText ) );
- $revid = $redirectRevision->insertOn( $dbw );
- $redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
- $wgLinkCache->clearLink( $this->getPrefixedDBkey() );
+ $nt->resetArticleID( $oldid );
+
+ if( $createRedirect || !$wgUser->isAllowed('suppressredirect') ) {
+ # Insert redirect
+ $mwRedir = MagicWord::get( 'redirect' );
+ $redirectText = $mwRedir->getSynonym( 0 ) . ' [[' . $nt->getPrefixedText() . "]]\n";
+ $redirectArticle = new Article( $this );
+ $newid = $redirectArticle->insertOn( $dbw );
+ $redirectRevision = new Revision( array(
+ 'page' => $newid,
+ 'comment' => $comment,
+ 'text' => $redirectText ) );
+ $redirectRevision->insertOn( $dbw );
+ $redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
+
+ wfRunHooks( 'NewRevisionFromEditComplete', array($redirectArticle, $redirectRevision, false, $wgUser) );
+
+ # Record the just-created redirect's linking to the page
+ $dbw->insert( 'pagelinks',
+ array(
+ 'pl_from' => $newid,
+ 'pl_namespace' => $nt->getNamespace(),
+ 'pl_title' => $nt->getDBkey() ),
+ __METHOD__ );
+ $redirectSuppressed = false;
+ } else {
+ $this->resetArticleID( 0 );
+ $redirectSuppressed = true;
+ }
# Log the move
$log = new LogPage( 'move' );
- $log->addEntry( 'move', $this, $reason, array( 1 => $nt->getPrefixedText()) );
+ $log->addEntry( 'move', $this, $reason, array( 1 => $nt->getPrefixedText(), 2 => $redirectSuppressed ) );
# Purge caches as per article creation
Article::onArticleCreate( $nt );
- # 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 );
-
- # Non-existent target may have had broken links to it; these must
- # now be touched to update link coloring.
- $nt->touchLinks();
-
# Purge old title from squid
# The new title, and links to the new title, are purged in Article::onArticleCreate()
- $titles = $nt->getLinksTo();
- if ( $wgUseSquid ) {
- $urls = $this->getSquidURLs();
- foreach ( $titles as $linkTitle ) {
- $urls[] = $linkTitle->getInternalURL();
+ $this->purgeSquid();
+
+ }
+
+ /**
+ * Move this page's subpages to be subpages of $nt
+ * @param $nt Title Move target
+ * @param $auth bool Whether $wgUser's permissions should be checked
+ * @param $reason string The reason for the move
+ * @param $createRedirect bool Whether to create redirects from the old subpages to the new ones
+ * Ignored if the user doesn't have the 'suppressredirect' right
+ * @return mixed array with old page titles as keys, and strings (new page titles) or
+ * arrays (errors) as values, or an error array with numeric indices if no pages were moved
+ */
+ public function moveSubpages( $nt, $auth = true, $reason = '', $createRedirect = true ) {
+ global $wgMaximumMovedPages;
+ // Check permissions
+ if( !$this->userCan( 'move-subpages' ) )
+ return array( 'cant-move-subpages' );
+ // Do the source and target namespaces support subpages?
+ if( !MWNamespace::hasSubpages( $this->getNamespace() ) )
+ return array( 'namespace-nosubpages',
+ MWNamespace::getCanonicalName( $this->getNamespace() ) );
+ if( !MWNamespace::hasSubpages( $nt->getNamespace() ) )
+ return array( 'namespace-nosubpages',
+ MWNamespace::getCanonicalName( $nt->getNamespace() ) );
+
+ $subpages = $this->getSubpages($wgMaximumMovedPages + 1);
+ $retval = array();
+ $count = 0;
+ foreach( $subpages as $oldSubpage ) {
+ $count++;
+ if( $count > $wgMaximumMovedPages ) {
+ $retval[$oldSubpage->getPrefixedTitle()] =
+ array( 'movepage-max-pages',
+ $wgMaximumMovedPages );
+ break;
+ }
+
+ // We don't know whether this function was called before
+ // or after moving the root page, so check both
+ // $this and $nt
+ if( $oldSubpage->getArticleId() == $this->getArticleId() ||
+ $oldSubpage->getArticleID() == $nt->getArticleId() )
+ // When moving a page to a subpage of itself,
+ // don't move it twice
+ continue;
+ $newPageName = preg_replace(
+ '#^'.preg_quote( $this->getDBkey(), '#' ).'#',
+ StringUtils::escapeRegexReplacement( $nt->getDBkey() ), # bug 21234
+ $oldSubpage->getDBkey() );
+ if( $oldSubpage->isTalkPage() ) {
+ $newNs = $nt->getTalkPage()->getNamespace();
+ } else {
+ $newNs = $nt->getSubjectPage()->getNamespace();
+ }
+ # Bug 14385: we need makeTitleSafe because the new page names may
+ # be longer than 255 characters.
+ $newSubpage = Title::makeTitleSafe( $newNs, $newPageName );
+
+ $success = $oldSubpage->moveTo( $newSubpage, $auth, $reason, $createRedirect );
+ if( $success === true ) {
+ $retval[$oldSubpage->getPrefixedText()] = $newSubpage->getPrefixedText();
+ } else {
+ $retval[$oldSubpage->getPrefixedText()] = $success;
}
- $u = new SquidUpdate( $urls );
- $u->doUpdate();
}
+ return $retval;
}
/**
- * Checks if $this can be moved to a given Title
- * - Selects for update, so don't call it unless you mean business
+ * Checks if this page is just a one-rev redirect.
+ * Adds lock, so don't use just for light purposes.
*
- * @param Title &$nt the new title to check
- * @access public
+ * @return \type{\bool} TRUE or FALSE
*/
- function isValidMoveTarget( $nt ) {
-
- $fname = 'Title::isValidMoveTarget';
- $dbw =& wfGetDB( DB_MASTER );
-
+ public function isSingleRevRedirect() {
+ $dbw = wfGetDB( DB_MASTER );
# 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
+ $row = $dbw->selectRow( 'page',
+ array( 'page_is_redirect', 'page_latest', 'page_id' ),
+ $this->pageCond(),
+ __METHOD__,
+ array( 'FOR UPDATE' )
+ );
+ # Cache some fields we may want
+ $this->mArticleID = $row ? intval($row->page_id) : 0;
+ $this->mRedirect = $row ? (bool)$row->page_is_redirect : false;
+ $this->mLatestID = $row ? intval($row->page_latest) : false;
+ if( !$this->mRedirect ) {
return false;
}
- $text = Revision::getRevisionText( $obj );
+ # Does the article have a history?
+ $row = $dbw->selectField( array( 'page', 'revision'),
+ 'rev_id',
+ array( 'page_namespace' => $this->getNamespace(),
+ 'page_title' => $this->getDBkey(),
+ 'page_id=rev_page',
+ 'page_latest != rev_id'
+ ),
+ __METHOD__,
+ array( 'FOR UPDATE' )
+ );
+ # Return true if there was no history
+ return ($row === false);
+ }
+ /**
+ * Checks if $this can be moved to a given Title
+ * - Selects for update, so don't call it unless you mean business
+ *
+ * @param &$nt \type{Title} the new title to check
+ * @return \type{\bool} TRUE or FALSE
+ */
+ public function isValidMoveTarget( $nt ) {
+ $dbw = wfGetDB( DB_MASTER );
+ # Is it an existsing file?
+ if( $nt->getNamespace() == NS_FILE ) {
+ $file = wfLocalFile( $nt );
+ if( $file->exists() ) {
+ wfDebug( __METHOD__ . ": file exists\n" );
+ return false;
+ }
+ }
+ # Is it a redirect with no history?
+ if( !$nt->isSingleRevRedirect() ) {
+ wfDebug( __METHOD__ . ": not a one-rev redirect\n" );
+ return false;
+ }
+ # Get the article text
+ $rev = Revision::newFromTitle( $nt );
+ $text = $rev->getText();
# Does the redirect point to the source?
+ # Or is it a broken self-redirect, usually caused by namespace collisions?
+ $m = array();
if ( preg_match( "/\\[\\[\\s*([^\\]\\|]*)]]/", $text, $m ) ) {
$redirTitle = Title::newFromText( $m[1] );
if( !is_object( $redirTitle ) ||
- $redirTitle->getPrefixedDBkey() != $this->getPrefixedDBkey() ) {
+ ( $redirTitle->getPrefixedDBkey() != $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;
+ return true;
}
/**
- * Create a redirect; fails if the title already exists; does
- * not notify RC
+ * Can this title be added to a user's watchlist?
*
- * @param Title $dest the destination of the redirect
- * @param string $comment the comment string describing the move
- * @return bool true on success
- * @access public
+ * @return \type{\bool} TRUE or FALSE
*/
- function createRedirect( $dest, $comment ) {
- global $wgUser;
- if ( $this->getArticleID() ) {
- return false;
- }
-
- $fname = 'Title::createRedirect';
- $dbw =& wfGetDB( DB_MASTER );
-
- $article = new Article( $this );
- $newid = $article->insertOn( $dbw );
- $revision = new Revision( array(
- 'page' => $newid,
- 'comment' => $comment,
- 'text' => "#REDIRECT [[" . $dest->getPrefixedText() . "]]\n",
- ) );
- $revisionId = $revision->insertOn( $dbw );
- $article->updateRevisionOn( $dbw, $revision, 0 );
-
- # Link table
- $dbw->insert( 'pagelinks',
- array(
- 'pl_from' => $newid,
- 'pl_namespace' => $dest->getNamespace(),
- 'pl_title' => $dest->getDbKey()
- ), $fname
- );
-
- Article::onArticleCreate( $this );
- return true;
+ public function isWatchable() {
+ return !$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:
+ * @return \type{\array} array an array of parents in the form:
* $parent => $currentarticle
- * @access public
*/
- function getParentCategories() {
- global $wgContLang,$wgUser;
+ public function getParentCategories() {
+ global $wgContLang;
$titlekey = $this->getArticleId();
- $sk =& $wgUser->getSkin();
- $parents = array();
- $dbr =& wfGetDB( DB_SLAVE );
+ $dbr = wfGetDB( DB_SLAVE );
$categorylinks = $dbr->tableName( 'categorylinks' );
# NEW SQL
." AND cl_from <> '0'"
." ORDER BY cl_sortkey";
- $res = $dbr->query ( $sql ) ;
+ $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 ) ;
+ if( $dbr->numRows( $res ) > 0 ) {
+ foreach( $res as $row )
+ //$data[] = Title::newFromText($wgContLang->getNSText ( NS_CATEGORY ).':'.$row->cl_to);
+ $data[$wgContLang->getNSText( NS_CATEGORY ).':'.$row->cl_to] = $this->getFullText();
+ $dbr->freeResult( $res );
} else {
- $data = '';
+ $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
- * @access public
+ * @param $children \type{\array} an array with the children in the keys, to check for circular refs
+ * @return \type{\array} Tree of parent categories
*/
- function getParentCategoryTree( $children = array() ) {
+ public function getParentCategoryTree( $children = array() ) {
+ $stack = array();
$parents = $this->getParentCategories();
- if($parents != '') {
- foreach($parents as $parent => $current)
- {
+ if( $parents ) {
+ foreach( $parents as $parent => $current ) {
if ( array_key_exists( $parent, $children ) ) {
# Circular reference
$stack[$parent] = array();
} else {
$nt = Title::newFromText($parent);
- $stack[$parent] = $nt->getParentCategoryTree( $children + array($parent => 1) );
+ if ( $nt ) {
+ $stack[$parent] = $nt->getParentCategoryTree( $children + array($parent => 1) );
+ }
}
}
return $stack;
/**
* Get an associative array for selecting this title from
- * the "cur" table
+ * the "page" table
*
- * @return array
- * @access public
+ * @return \type{\array} Selection array
*/
- function curCond() {
- wfDebugDieBacktrace( 'curCond called' );
- return array( 'cur_namespace' => $this->mNamespace, 'cur_title' => $this->mDbkeyform );
+ public function pageCond() {
+ if( $this->mArticleID > 0 ) {
+ // PK avoids secondary lookups in InnoDB, shouldn't hurt other DBs
+ return array( 'page_id' => $this->mArticleID );
+ } else {
+ return array( 'page_namespace' => $this->mNamespace, 'page_title' => $this->mDbkeyform );
+ }
}
/**
- * Get an associative array for selecting this title from the
- * "old" table
+ * Get the revision ID of the previous revision
*
- * @return array
- * @access public
+ * @param $revId \type{\int} Revision ID. Get the revision that was before this one.
+ * @param $flags \type{\int} GAID_FOR_UPDATE
+ * @return \twotypes{\int,\bool} Old revision ID, or FALSE if none exists
*/
- function oldCond() {
- wfDebugDieBacktrace( 'oldCond called' );
- return array( 'old_namespace' => $this->mNamespace, 'old_title' => $this->mDbkeyform );
+ public function getPreviousRevisionID( $revId, $flags=0 ) {
+ $db = ($flags & GAID_FOR_UPDATE) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
+ return $db->selectField( 'revision', 'rev_id',
+ array(
+ 'rev_page' => $this->getArticleId($flags),
+ 'rev_id < ' . intval( $revId )
+ ),
+ __METHOD__,
+ array( 'ORDER BY' => 'rev_id DESC' )
+ );
}
/**
- * Get the revision ID of the previous revision
+ * Get the revision ID of the next revision
*
- * @param integer $revision Revision ID. Get the revision that was before this one.
- * @return interger $oldrevision|false
+ * @param $revId \type{\int} Revision ID. Get the revision that was after this one.
+ * @param $flags \type{\int} GAID_FOR_UPDATE
+ * @return \twotypes{\int,\bool} Next revision ID, or FALSE if none exists
*/
- 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' );
+ public function getNextRevisionID( $revId, $flags=0 ) {
+ $db = ($flags & GAID_FOR_UPDATE) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
+ return $db->selectField( 'revision', 'rev_id',
+ array(
+ 'rev_page' => $this->getArticleId($flags),
+ 'rev_id > ' . intval( $revId )
+ ),
+ __METHOD__,
+ array( 'ORDER BY' => 'rev_id' )
+ );
}
/**
- * Get the revision ID of the next revision
+ * Get the first revision of the page
+ *
+ * @param $flags \type{\int} GAID_FOR_UPDATE
+ * @return Revision (or NULL if page doesn't exist)
+ */
+ public function getFirstRevision( $flags=0 ) {
+ $db = ($flags & GAID_FOR_UPDATE) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
+ $pageId = $this->getArticleId($flags);
+ if( !$pageId ) return null;
+ $row = $db->selectRow( 'revision', '*',
+ array( 'rev_page' => $pageId ),
+ __METHOD__,
+ array( 'ORDER BY' => 'rev_timestamp ASC', 'LIMIT' => 1 )
+ );
+ if( !$row ) {
+ return null;
+ } else {
+ return new Revision( $row );
+ }
+ }
+
+ /**
+ * Check if this is a new page
+ *
+ * @return bool
+ */
+ public function isNewPage() {
+ $dbr = wfGetDB( DB_SLAVE );
+ return (bool)$dbr->selectField( 'page', 'page_is_new', $this->pageCond(), __METHOD__ );
+ }
+
+ /**
+ * Get the oldest revision timestamp of this page
*
- * @param integer $revision Revision ID. Get the revision that was after this one.
- * @return interger $oldrevision|false
+ * @return string, MW timestamp
*/
- 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' );
+ public function getEarliestRevTime() {
+ $dbr = wfGetDB( DB_SLAVE );
+ if( $this->exists() ) {
+ $min = $dbr->selectField( 'revision',
+ 'MIN(rev_timestamp)',
+ array( 'rev_page' => $this->getArticleId() ),
+ __METHOD__ );
+ return wfTimestampOrNull( TS_MW, $min );
+ }
+ return null;
+ }
+
+ /**
+ * Get the number of revisions between the given revision IDs.
+ * Used for diffs and other things that really need it.
+ *
+ * @param $old \type{\int} Revision ID.
+ * @param $new \type{\int} Revision ID.
+ * @return \type{\int} Number of revisions between these IDs.
+ */
+ public function countRevisionsBetween( $old, $new ) {
+ $dbr = wfGetDB( DB_SLAVE );
+ return (int)$dbr->selectField( 'revision', 'count(*)',
+ 'rev_page = ' . intval( $this->getArticleId() ) .
+ ' AND rev_id > ' . intval( $old ) .
+ ' AND rev_id < ' . intval( $new ),
+ __METHOD__
+ );
}
/**
* Compare with another title.
*
- * @param Title $title
- * @return bool
+ * @param \type{Title} $title
+ * @return \type{\bool} TRUE or FALSE
*/
- function equals( $title ) {
- return $this->getInterwiki() == $title->getInterwiki()
+ public function equals( Title $title ) {
+ // Note: === is necessary for proper matching of number-like titles.
+ return $this->getInterwiki() === $title->getInterwiki()
&& $this->getNamespace() == $title->getNamespace()
- && $this->getDbkey() == $title->getDbkey();
+ && $this->getDBkey() === $title->getDBkey();
}
/**
- * Check if page exists
- * @return bool
+ * Callback for usort() to do title sorts by (namespace, title)
*/
- function exists() {
- return $this->getArticleId() != 0;
+ public static function compare( $a, $b ) {
+ if( $a->getNamespace() == $b->getNamespace() ) {
+ return strcmp( $a->getText(), $b->getText() );
+ } else {
+ return $a->getNamespace() - $b->getNamespace();
+ }
}
/**
- * Should a link should be displayed as a known link, just based on its title?
+ * Return a string representation of this title
*
- * Currently, a self-link with a fragment, special pages and image pages are in
- * this category. Special pages never exist in the database. Some images do not
- * have description pages in the database, but the description page contains
- * useful history information that the user may want to link to.
+ * @return \type{\string} String representation of this title
*/
- function isAlwaysKnown() {
- return $this->isExternal() || ( 0 == $this->mNamespace && "" == $this->mDbkeyform )
- || NS_SPECIAL == $this->mNamespace || NS_IMAGE == $this->mNamespace;
+ public function __toString() {
+ return $this->getPrefixedText();
}
/**
- * Update page_touched timestamps on pages linking to this title.
- * In principal, this could be backgrounded and could also do squid
- * purging.
+ * Check if page exists. For historical reasons, this function simply
+ * checks for the existence of the title in the page table, and will
+ * thus return false for interwiki links, special pages and the like.
+ * If you want to know if a title can be meaningfully viewed, you should
+ * probably call the isKnown() method instead.
+ *
+ * @return \type{\bool} TRUE or FALSE
*/
- function touchLinks() {
- $fname = 'Title::touchLinks';
-
- $dbw =& wfGetDB( DB_MASTER );
+ public function exists() {
+ return $this->getArticleId() != 0;
+ }
- $res = $dbw->select( 'pagelinks',
- array( 'pl_from' ),
- array(
- 'pl_namespace' => $this->getNamespace(),
- 'pl_title' => $this->getDbKey() ),
- $fname );
- if ( 0 == $dbw->numRows( $res ) ) {
- return;
+ /**
+ * Should links to this title be shown as potentially viewable (i.e. as
+ * "bluelinks"), even if there's no record by this title in the page
+ * table?
+ *
+ * This function is semi-deprecated for public use, as well as somewhat
+ * misleadingly named. You probably just want to call isKnown(), which
+ * calls this function internally.
+ *
+ * (ISSUE: Most of these checks are cheap, but the file existence check
+ * can potentially be quite expensive. Including it here fixes a lot of
+ * existing code, but we might want to add an optional parameter to skip
+ * it and any other expensive checks.)
+ *
+ * @return \type{\bool} TRUE or FALSE
+ */
+ public function isAlwaysKnown() {
+ if( $this->mInterwiki != '' ) {
+ return true; // any interwiki link might be viewable, for all we know
+ }
+ switch( $this->mNamespace ) {
+ case NS_MEDIA:
+ case NS_FILE:
+ return wfFindFile( $this ); // file exists, possibly in a foreign repo
+ case NS_SPECIAL:
+ return SpecialPage::exists( $this->getDBkey() ); // valid special page
+ case NS_MAIN:
+ return $this->mDbkeyform == ''; // selflink, possibly with fragment
+ case NS_MEDIAWIKI:
+ // If the page is form Mediawiki:message/lang, calling wfMsgWeirdKey causes
+ // the full l10n of that language to be loaded. That takes much memory and
+ // isn't needed. So we strip the language part away.
+ // 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 wfMsgWeirdKey( $basename ); // known system message
+ default:
+ return false;
}
+ }
+
+ /**
+ * Does this title refer to a page that can (or might) be meaningfully
+ * viewed? In particular, this function may be used to determine if
+ * links to the title should be rendered as "bluelinks" (as opposed to
+ * "redlinks" to non-existent pages).
+ *
+ * @return \type{\bool} TRUE or FALSE
+ */
+ public function isKnown() {
+ return $this->exists() || $this->isAlwaysKnown();
+ }
+
+ /**
+ * Is this in a namespace that allows actual pages?
+ *
+ * @return \type{\bool} TRUE or FALSE
+ */
+ public function canExist() {
+ return $this->mNamespace >= 0 && $this->mNamespace != NS_MEDIA;
+ }
- $arr = array();
- $toucharr = array();
- while( $row = $dbw->fetchObject( $res ) ) {
- $toucharr[] = $row->pl_from;
+ /**
+ * Update page_touched timestamps and send squid purge messages for
+ * pages linking to this title. May be sent to the job queue depending
+ * on the number of links. Typically called on create and delete.
+ */
+ public function touchLinks() {
+ $u = new HTMLCacheUpdate( $this, 'pagelinks' );
+ $u->doUpdate();
+
+ if ( $this->getNamespace() == NS_CATEGORY ) {
+ $u = new HTMLCacheUpdate( $this, 'categorylinks' );
+ $u->doUpdate();
}
+ }
+
+ /**
+ * Get the last touched timestamp
+ * @param Database $db, optional db
+ * @return \type{\string} Last touched timestamp
+ */
+ public function getTouched( $db = null ) {
+ $db = isset($db) ? $db : wfGetDB( DB_SLAVE );
+ $touched = $db->selectField( 'page', 'page_touched', $this->pageCond(), __METHOD__ );
+ return $touched;
+ }
- $dbw->update( 'page', /* SET */ array( 'page_touched' => $dbw->timestamp() ),
- /* WHERE */ array( 'page_id' => $toucharr ),$fname);
+ /**
+ * Get the timestamp when this page was updated since the user last saw it.
+ * @param User $user
+ * @return mixed string/NULL
+ */
+ public function getNotificationTimestamp( $user = null ) {
+ global $wgUser, $wgShowUpdatedMarker;
+ // Assume current user if none given
+ if( !$user ) $user = $wgUser;
+ // Check cache first
+ $uid = $user->getId();
+ if( isset($this->mNotificationTimestamp[$uid]) ) {
+ return $this->mNotificationTimestamp[$uid];
+ }
+ if( !$uid || !$wgShowUpdatedMarker ) {
+ return $this->mNotificationTimestamp[$uid] = false;
+ }
+ // Don't cache too much!
+ if( count($this->mNotificationTimestamp) >= self::CACHE_MAX ) {
+ $this->mNotificationTimestamp = array();
+ }
+ $dbr = wfGetDB( DB_SLAVE );
+ $this->mNotificationTimestamp[$uid] = $dbr->selectField( 'watchlist',
+ 'wl_notificationtimestamp',
+ array( 'wl_namespace' => $this->getNamespace(),
+ 'wl_title' => $this->getDBkey(),
+ 'wl_user' => $user->getId()
+ ),
+ __METHOD__
+ );
+ return $this->mNotificationTimestamp[$uid];
}
- function trackbackURL() {
- global $wgTitle, $wgScriptPath, $wgServer;
+ /**
+ * Get the trackback URL for this page
+ * @return \type{\string} Trackback URL
+ */
+ public function trackbackURL() {
+ global $wgScriptPath, $wgServer, $wgScriptExtension;
- return "$wgServer$wgScriptPath/trackback.php?article="
- . htmlspecialchars(urlencode($wgTitle->getPrefixedDBkey()));
+ return "$wgServer$wgScriptPath/trackback$wgScriptExtension?article="
+ . htmlspecialchars(urlencode($this->getPrefixedDBkey()));
}
- function trackbackRDF() {
+ /**
+ * Get the trackback RDF for this page
+ * @return \type{\string} Trackback RDF
+ */
+ public function trackbackRDF() {
$url = htmlspecialchars($this->getFullURL());
$title = htmlspecialchars($this->getText());
$tburl = $this->trackbackURL();
- return "
+ // Autodiscovery RDF is placed in comments so HTML validator
+ // won't barf. This is a rather icky workaround, but seems
+ // frequently used by this kind of RDF thingy.
+ //
+ // Spec: http://www.sixapart.com/pronet/docs/trackback_spec
+ return "<!--
<rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"
xmlns:dc=\"http://purl.org/dc/elements/1.1/\"
xmlns:trackback=\"http://madskills.com/public/xml/rss/module/trackback/\">
dc:identifier=\"$url\"
dc:title=\"$title\"
trackback:ping=\"$tburl\" />
-</rdf:RDF>";
+</rdf:RDF>
+-->";
+ }
+
+ /**
+ * Generate strings used for xml 'id' names in monobook tabs
+ * @return \type{\string} XML 'id' name
+ */
+ public function getNamespaceKey( $prepend = 'nstab-' ) {
+ global $wgContLang;
+ // Gets the subject namespace if this title
+ $namespace = MWNamespace::getSubject( $this->getNamespace() );
+ // Checks if cononical namespace name exists for namespace
+ if ( MWNamespace::exists( $this->getNamespace() ) ) {
+ // Uses canonical namespace name
+ $namespaceKey = MWNamespace::getCanonicalName( $namespace );
+ } else {
+ // Uses text of namespace
+ $namespaceKey = $this->getSubjectNsText();
+ }
+ // Makes namespace key lowercase
+ $namespaceKey = $wgContLang->lc( $namespaceKey );
+ // Uses main
+ if ( $namespaceKey == '' ) {
+ $namespaceKey = 'main';
+ }
+ // Changes file to image for backwards compatibility
+ if ( $namespaceKey == 'file' ) {
+ $namespaceKey = 'image';
+ }
+ return $prepend . $namespaceKey;
+ }
+
+ /**
+ * Returns true if this is a special page.
+ */
+ public function isSpecialPage( ) {
+ return $this->getNamespace() == NS_SPECIAL;
+ }
+
+ /**
+ * Returns true if this title resolves to the named special page
+ * @param $name \type{\string} The special page name
+ */
+ public function isSpecial( $name ) {
+ if ( $this->getNamespace() == NS_SPECIAL ) {
+ list( $thisName, /* $subpage */ ) = SpecialPage::resolveAliasWithSubpage( $this->getDBkey() );
+ if ( $name == $thisName ) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * If the Title refers to a special page alias which is not the local default,
+ * @return \type{Title} A new Title which points to the local default. Otherwise, returns $this.
+ */
+ public function fixSpecialName() {
+ if ( $this->getNamespace() == NS_SPECIAL ) {
+ $canonicalName = SpecialPage::resolveAlias( $this->mDbkeyform );
+ if ( $canonicalName ) {
+ $localName = SpecialPage::getLocalNameFor( $canonicalName );
+ if ( $localName != $this->mDbkeyform ) {
+ return Title::makeTitle( NS_SPECIAL, $localName );
+ }
+ }
+ }
+ return $this;
+ }
+
+ /**
+ * Is this Title in a namespace which contains content?
+ * In other words, is this a content page, for the purposes of calculating
+ * statistics, etc?
+ *
+ * @return \type{\bool} TRUE or FALSE
+ */
+ public function isContentPage() {
+ return MWNamespace::isContent( $this->getNamespace() );
+ }
+
+ /**
+ * Get all extant redirects to this Title
+ *
+ * @param $ns \twotypes{\int,\null} Single namespace to consider;
+ * NULL to consider all namespaces
+ * @return \type{\arrayof{Title}} Redirects to this title
+ */
+ public function getRedirectsHere( $ns = null ) {
+ $redirs = array();
+
+ $dbr = wfGetDB( DB_SLAVE );
+ $where = array(
+ 'rd_namespace' => $this->getNamespace(),
+ 'rd_title' => $this->getDBkey(),
+ 'rd_from = page_id'
+ );
+ if ( !is_null($ns) ) $where['page_namespace'] = $ns;
+
+ $res = $dbr->select(
+ array( 'redirect', 'page' ),
+ array( 'page_namespace', 'page_title' ),
+ $where,
+ __METHOD__
+ );
+
+
+ foreach( $res as $row ) {
+ $redirs[] = self::newFromRow( $row );
+ }
+ return $redirs;
+ }
+
+ /**
+ * Check if this Title is a valid redirect target
+ *
+ * @return \type{\bool} TRUE or FALSE
+ */
+ public function isValidRedirectTarget() {
+ global $wgInvalidRedirectTargets;
+
+ // invalid redirect targets are stored in a global array, but explicity disallow Userlogout here
+ if( $this->isSpecial( 'Userlogout' ) ) {
+ return false;
+ }
+
+ foreach( $wgInvalidRedirectTargets as $target ) {
+ if( $this->isSpecial( $target ) ) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Get a backlink cache object
+ */
+ function getBacklinkCache() {
+ if ( is_null( $this->mBacklinkCache ) ) {
+ $this->mBacklinkCache = new BacklinkCache( $this );
+ }
+ return $this->mBacklinkCache;
+ }
+
+ /**
+ * Whether the magic words __INDEX__ and __NOINDEX__ function for
+ * this page.
+ * @return Bool
+ */
+ public function canUseNoindex(){
+ global $wgArticleRobotPolicies, $wgContentNamespaces,
+ $wgExemptFromUserRobotsControl;
+
+ $bannedNamespaces = is_null( $wgExemptFromUserRobotsControl )
+ ? $wgContentNamespaces
+ : $wgExemptFromUserRobotsControl;
+
+ return !in_array( $this->mNamespace, $bannedNamespaces );
+
+ }
+
+ public function getRestrictionTypes() {
+ global $wgRestrictionTypes;
+ $types = $this->exists() ? $wgRestrictionTypes : array('create');
+
+ if ( $this->getNamespace() == NS_FILE ) {
+ $types[] = 'upload';
+ }
+
+ wfRunHooks( 'TitleGetRestrictionTypes', array( $this, &$types ) );
+
+ return $types;
}
}
-?>
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff