Rename $wgVaryOnXFPForAPI (introduced in r93818) to $wgVaryOnXFP and extend it to...
[lhc/web/wiklou.git] / includes / Title.php
index f209995..6d1cfec 100644 (file)
@@ -47,7 +47,6 @@ class Title {
         */
        const GAID_FOR_UPDATE = 1;
 
-
        /**
         * @name Private member variables
         * Please use the accessor functions instead.
@@ -639,9 +638,17 @@ class Title {
                        }
                }
 
+               // Strip off subpages
+               $pagename = $this->getText();
+               if ( strpos( $pagename, '/' ) !== false ) {
+                       list( $username , ) = explode( '/', $pagename, 2 );
+               } else {
+                       $username = $pagename;
+               }
+
                if ( $wgContLang->needsGenderDistinction() &&
                                MWNamespace::hasGenderDistinction( $this->mNamespace ) ) {
-                       $gender = GenderCache::singleton()->getGenderOf( $this->getText(), __METHOD__ );
+                       $gender = GenderCache::singleton()->getGenderOf( $username, __METHOD__ );
                        return $wgContLang->getGenderNsText( $this->mNamespace, $gender );
                }
 
@@ -758,19 +765,6 @@ class Title {
        }
 
        /**
-        * Return the prefixed title with spaces _without_ the interwiki prefix
-        * 
-        * @return \type{\string} the title, prefixed by the namespace but not by the interwiki prefix, with spaces
-        */
-       public function getSemiPrefixedText() {
-               if ( !isset( $this->mSemiPrefixedText ) ){
-                       $s = ( $this->mNamespace === NS_MAIN ? '' : $this->getNsText() . ':' ) . $this->mTextform;
-                       $s = str_replace( '_', ' ', $s );
-                       $this->mSemiPrefixedText = $s;
-               }
-               return $this->mSemiPrefixedText; 
-       }
-
        /**
         * Get the prefixed title with spaces, plus any fragment
         * (part beginning with '#')
@@ -862,7 +856,7 @@ class Title {
                # Finally, add the fragment.
                $url .= $this->getFragmentForURL();
 
-               wfRunHooks( 'GetFullURL', array( &$this, &$url, $query ) );
+               wfRunHooks( 'GetFullURL', array( &$this, &$url, $query, $variant ) );
                return $url;
        }
 
@@ -879,7 +873,7 @@ class Title {
         */
        public function getLocalURL( $query = '', $variant = false ) {
                global $wgArticlePath, $wgScript, $wgServer, $wgRequest;
-               global $wgVariantArticlePath, $wgContLang;
+               global $wgVariantArticlePath;
 
                if ( is_array( $query ) ) {
                        $query = wfArrayToCGI( $query );
@@ -898,7 +892,7 @@ class Title {
                } else {
                        $dbkey = wfUrlencode( $this->getPrefixedDBkey() );
                        if ( $query == '' ) {
-                               if ( $variant != false && $wgContLang->hasVariants() ) {
+                               if ( $variant != false && $this->getPageLanguage()->hasVariants() ) {
                                        if ( !$wgVariantArticlePath ) {
                                                $variantArticlePath =  "$wgScript?title=$1&variant=$2"; // default
                                        } else {
@@ -1001,7 +995,7 @@ class Title {
        public function escapeFullURL( $query = '' ) {
                return htmlspecialchars( $this->getFullURL( $query ) );
        }
-       
+
        /**
         * HTML-escaped version of getCanonicalURL()
         */
@@ -1013,7 +1007,7 @@ class Title {
         * Get the URL form for an internal link.
         * - Used in various Squid-related code, in case we have a different
         * internal hostname for the server from the exposed one.
-        * 
+        *
         * This uses $wgInternalServer to qualify the path, or $wgServer
         * if $wgInternalServer is not set. If the server variable used is
         * protocol-relative, the URL will be expanded to http://
@@ -1023,14 +1017,10 @@ class Title {
         * @return String the URL
         */
        public function getInternalURL( $query = '', $variant = false ) {
-               if ( $this->isExternal( ) ) {
-                       $server = '';
-               } else {
-                       global $wgInternalServer, $wgServer;
-                       $server = $wgInternalServer !== false ? $wgInternalServer : $wgServer;
-               }
+               global $wgInternalServer, $wgServer;
+               $server = $wgInternalServer !== false ? $wgInternalServer : $wgServer;
                $url = wfExpandUrl( $server . $this->getLocalURL( $query, $variant ), PROTO_HTTP );
-               wfRunHooks( 'GetInternalURL', array( &$this, &$url, $query ) );
+               wfRunHooks( 'GetInternalURL', array( &$this, &$url, $query, $variant ) );
                return $url;
        }
 
@@ -1038,15 +1028,16 @@ class Title {
         * Get the URL for a canonical link, for use in things like IRC and
         * e-mail notifications. Uses $wgCanonicalServer and the
         * GetCanonicalURL hook.
-        * 
+        *
+        * NOTE: Unlike getInternalURL(), the canonical URL includes the fragment
+        *
         * @param $query string An optional query string
         * @param $variant string Language variant of URL (for sr, zh, ...)
         * @return string The URL
         */
        public function getCanonicalURL( $query = '', $variant = false ) {
-               global $wgCanonicalServer;
-               $url = $wgCanonicalServer . $this->getLocalURL( $query, $variant );
-               wfRunHooks( 'GetCanonicalURL', array( &$this, &$url, $query ) );
+               $url = wfExpandUrl( $this->getLocalURL( $query, $variant ) . $this->getFragmentForURL(), PROTO_CANONICAL );
+               wfRunHooks( 'GetCanonicalURL', array( &$this, &$url, $query, $variant ) );
                return $url;
        }
 
@@ -1555,7 +1546,7 @@ class Title {
                                $errors[] = array( 'immobile-source-namespace', $this->getNsText() );
                        } elseif ( !$this->isMovable() ) {
                                // Less specific message for rarer cases
-                               $errors[] = array( 'immobile-page' );
+                               $errors[] = array( 'immobile-source-page' );
                        }
                } elseif ( $action == 'move-target' ) {
                        if ( !MWNamespace::isMovable( $this->mNamespace ) ) {
@@ -1786,7 +1777,14 @@ class Title {
         * @return Bool TRUE or FALSE
         */
        public function isMovable() {
-               return MWNamespace::isMovable( $this->getNamespace() ) && $this->getInterwiki() == '';
+               if ( !MWNamespace::isMovable( $this->getNamespace() ) || $this->getInterwiki() != '' ) {
+                       // Interwiki title or immovable namespace. Hooks don't get to override here
+                       return false;
+               }
+
+               $result = true;
+               wfRunHooks( 'TitleIsMovable', array( $this, &$result ) );
+               return $result;
        }
 
        /**
@@ -1892,6 +1890,7 @@ class Title {
         * acidentally creating new bugs where $title->equals( Title::newFromText() )
         * ends up reporting something differently than $title->isMainPage();
         *
+        * @since 1.18
         * @return Bool
         */
        public function isMainPage() {
@@ -2384,37 +2383,21 @@ class Title {
        /**
         * Is there a version of this page in the deletion archive?
         *
-        * @param $includeSuppressed Boolean Include suppressed revisions?
         * @return Int the number of archived revisions
         */
-       public function isDeleted( $includeSuppressed = false ) {
+       public function isDeleted() {
                if ( $this->getNamespace() < 0 ) {
                        $n = 0;
                } else {
                        $dbr = wfGetDB( DB_SLAVE );
-                       $conditions = array( 'ar_namespace' => $this->getNamespace(), 'ar_title' => $this->getDBkey() );
-
-                       if( !$includeSuppressed ) {
-                               $suppressedTextBits = Revision::DELETED_TEXT | Revision::DELETED_RESTRICTED;
-                               $conditions[] = $dbr->bitAnd('ar_deleted', $suppressedTextBits ) .
-                               ' != ' . $suppressedTextBits;
-                       }
 
                        $n = $dbr->selectField( 'archive', 'COUNT(*)',
-                               $conditions,
+                               array( 'ar_namespace' => $this->getNamespace(), 'ar_title' => $this->getDBkey() ),
                                __METHOD__
                        );
                        if ( $this->getNamespace() == NS_FILE ) {
-                               $fconditions = array( 'fa_name' => $this->getDBkey() );
-                               if( !$includeSuppressed ) {
-                                       $suppressedTextBits = File::DELETED_FILE | File::DELETED_RESTRICTED;
-                                       $fconditions[] = $dbr->bitAnd('fa_deleted', $suppressedTextBits ) .
-                                       ' != ' . $suppressedTextBits;
-                               }
-
-                               $n += $dbr->selectField( 'filearchive',
-                                       'COUNT(*)',
-                                       $fconditions,
+                               $n += $dbr->selectField( 'filearchive', 'COUNT(*)',
+                                       array( 'fa_name' => $this->getDBkey() ),
                                        __METHOD__
                                );
                        }
@@ -2545,7 +2528,7 @@ class Title {
         */
        public function resetArticleID( $newid ) {
                $linkCache = LinkCache::singleton();
-               $linkCache->clearBadLink( $this->getPrefixedDBkey() );
+               $linkCache->clearLink( $this );
 
                if ( $newid === false ) {
                        $this->mArticleID = -1;
@@ -2827,7 +2810,7 @@ class Title {
                        : $dbkey;
 
                // Any remaining initial :s are illegal.
-               if ( $dbkey !== '' && ':' == $dbkey { 0 } ) {
+               if ( $dbkey !== '' && ':' == $dbkey[0] ) {
                        return false;
                }
 
@@ -2854,10 +2837,6 @@ class Title {
                $this->mFragment = str_replace( '_', ' ', substr( $fragment, 1 ) );
        }
 
-       public function setInterwiki( $interwiki ) {
-               $this->mInterwiki = $interwiki;
-       }
-
        /**
         * Get a Title object associated with the talk page of this article
         *
@@ -2919,7 +2898,7 @@ class Title {
                        foreach ( $res as $row ) {
                                $titleObj = Title::makeTitle( $row->page_namespace, $row->page_title );
                                if ( $titleObj ) {
-                                       $linkCache->addGoodLinkObj( $row->page_id, $titleObj, $row->page_len, $row->page_is_redirect, $row->page_latest );
+                                       $linkCache->addGoodLinkObjFromRow( $titleObj, $row );
                                        $retVal[] = $titleObj;
                                }
                        }
@@ -3128,9 +3107,7 @@ class Title {
 
                $errors = array();
 
-               if ( $nt->getNamespace() != NS_FILE ) {
-                       $errors[] = array( 'imagenocrossnamespace' );
-               }
+               // wfFindFile( $nt ) / wfLocalFile( $nt ) is not allowed until below
 
                $file = wfLocalFile( $this );
                if ( $file->exists() ) {
@@ -3142,6 +3119,15 @@ class Title {
                        }
                }
 
+               if ( $nt->getNamespace() != NS_FILE ) {
+                       $errors[] = array( 'imagenocrossnamespace' );
+                       // From here we want to do checks on a file object, so if we can't
+                       // create one, we must return.
+                       return $errors;
+               }
+
+               // wfFindFile( $nt ) / wfLocalFile( $nt ) is allowed below here
+
                $destFile = wfLocalFile( $nt );
                if ( !$wgUser->isAllowed( 'reupload-shared' ) && !$destFile->exists() && wfFindFile( $nt ) ) {
                        $errors[] = array( 'file-exists-sharedrepo' );
@@ -3162,15 +3148,13 @@ class Title {
         * @return Mixed true on success, getUserPermissionsErrors()-like array on failure
         */
        public function moveTo( &$nt, $auth = true, $reason = '', $createRedirect = true ) {
-               global $wgContLang, $wgEnableInterwikiTemplatesTracking, $wgGlobalDatabase;
-
                $err = $this->isValidMoveOperation( $nt, $auth, $reason );
                if ( is_array( $err ) ) {
                        return $err;
                }
 
-               // If it is a file, move it first. It is done before all other moving stuff is
-               // done because it's hard to revert
+               // 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 );
@@ -3181,6 +3165,9 @@ class Title {
                                }
                        }
                }
+               // Clear RepoGroup process cache
+               RepoGroup::singleton()->clearCache( $this );
+               RepoGroup::singleton()->clearCache( $nt ); # clear false negative cache
 
                $dbw->begin(); # If $file was a LocalFile, its transaction would have closed our own.
                $pageid = $this->getArticleID( self::GAID_FOR_UPDATE );
@@ -3220,15 +3207,6 @@ class Title {
                        );
                }
 
-               if ( $wgEnableInterwikiTemplatesTracking && $wgGlobalDatabase ) {
-                       $dbw2 = wfGetDB( DB_MASTER, array(), $wgGlobalDatabase );
-                       $dbw2->update( 'globaltemplatelinks',
-                                               array(  'gtl_from_namespace' => $nt->getNamespace(),
-                                                               'gtl_from_title' => $nt->getText() ),
-                                               array ( 'gtl_from_page' => $pageid ),
-                                               __METHOD__ );
-               }
-
                if ( $protected ) {
                        # Protect the redirect title as the title used to be...
                        $dbw->insertSelect( 'page_restrictions', 'page_restrictions',
@@ -3322,14 +3300,31 @@ class Title {
         * @param $createRedirect Bool Whether to leave a redirect at the old title.  Ignored
         *   if the user doesn't have the suppressredirect right
         */
-       private function moveOverExistingRedirect( &$nt, $reason = '', $createRedirect = true ) {
-               global $wgUseSquid, $wgUser, $wgContLang, $wgEnableInterwikiTemplatesTracking, $wgGlobalDatabase;
+       private function moveToInternal( &$nt, $reason = '', $createRedirect = true ) {
+               global $wgUser, $wgContLang;
 
-               $moveOverRedirect = $nt->exists();
+               if ( $nt->exists() ) {
+                       $moveOverRedirect = true;
+                       $logType = 'move_redir';
+               } else {
+                       $moveOverRedirect = false;
+                       $logType = 'move';
+               }
 
-               $commentMsg = ( $moveOverRedirect ? '1movedto2_redir' : '1movedto2' );
-               $comment = wfMsgForContent( $commentMsg, $this->getPrefixedText(), $nt->getPrefixedText() );
+               $redirectSuppressed = !$createRedirect && $wgUser->isAllowed( 'suppressredirect' );
 
+               $logEntry = new ManualLogEntry( 'move', $logType );
+               $logEntry->setPerformer( $wgUser );
+               $logEntry->setTarget( $this );
+               $logEntry->setComment( $reason );
+               $logEntry->setParameters( array(
+                       '4::target' => $nt->getPrefixedText(),
+                       '5::noredir' => $redirectSuppressed ? '1': '0',
+               ) );
+
+               $formatter = LogFormatter::newFromEntry( $logEntry );
+               $formatter->setContext( RequestContext::newExtraneousContext( $this ) );
+               $comment = $formatter->getPlainActionText();
                if ( $reason ) {
                        $comment .= wfMsgForContent( 'colon-separator' ) . $reason;
                }
@@ -3365,6 +3360,7 @@ class Title {
                                $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( 'iwlinks', array( 'iwl_from' => $newid ), __METHOD__ );
                                $dbw->delete( 'redirect', array( 'rd_from' => $newid ), __METHOD__ );
                                $dbw->delete( 'page_props', array( 'pp_page' => $newid ), __METHOD__ );
                        }
@@ -3373,14 +3369,6 @@ class Title {
                                array( 'rc_timestamp' => $rcts, 'rc_namespace' => $newns, 'rc_title' => $newdbk, 'rc_new' => 1 ),
                                __METHOD__
                        );
-                       
-                        if ( $wgEnableInterwikiTemplatesTracking && $wgGlobalDatabase ) {
-                               $dbw2 = wfGetDB( DB_MASTER, array(), $wgGlobalDatabase );
-                               $dbw2->delete( 'globaltemplatelinks',
-                                                       array(  'gtl_from_wiki' => wfGetID(),
-                                                                       'gtl_from_page' => $newid ),
-                                                       __METHOD__ );
-               }
                }
 
                # Save a null revision in the page's history notifying of the move
@@ -3436,16 +3424,13 @@ class Title {
                                                'pl_title'     => $nt->getDBkey() ),
                                        __METHOD__ );
                        }
-                       $redirectSuppressed = false;
                } else {
                        $this->resetArticleID( 0 );
-                       $redirectSuppressed = true;
                }
 
                # Log the move
-               $log = new LogPage( 'move' );
-               $logType = ( $moveOverRedirect ? 'move_redir' : 'move' );
-               $log->addEntry( $logType, $this, $reason, array( 1 => $nt->getPrefixedText(), 2 => $redirectSuppressed ) );
+               $logid = $logEntry->insert();
+               $logEntry->publish( $logid );
 
                # Purge caches for old and new titles
                if ( $moveOverRedirect ) {
@@ -3591,6 +3576,9 @@ class Title {
                }
                # Get the article text
                $rev = Revision::newFromTitle( $nt );
+               if( !is_object( $rev ) ){
+                       return false;
+               }
                $text = $rev->getText();
                # Does the redirect point to the source?
                # Or is it a broken self-redirect, usually caused by namespace collisions?
@@ -3853,6 +3841,18 @@ class Title {
                        && $this->getDBkey() === $title->getDBkey();
        }
 
+       /**
+        * Check if this title is a subpage of another title
+        *
+        * @param $title Title
+        * @return Bool
+        */
+       public function isSubpageOf( Title $title ) {
+               return $this->getInterwiki() === $title->getInterwiki()
+                       && $this->getNamespace() == $title->getNamespace()
+                       && strpos( $this->getDBkey(), $title->getDBkey() . '/' ) === 0;
+       }
+
        /**
         * Callback for usort() to do title sorts by (namespace, title)
         *
@@ -3924,7 +3924,7 @@ class Title {
                                return $this->mDbkeyform == '';
                        case NS_MEDIAWIKI:
                                // known system message
-                               return $this->getDefaultMessageText() !== false;
+                               return $this->hasSourceText() !== false;
                        default:
                                return false;
                }
@@ -3954,8 +3954,13 @@ class Title {
 
                if ( $this->mNamespace == NS_MEDIAWIKI ) {
                        // If the page doesn't exist but is a known system message, default
-                       // message content will be displayed, same for language subpages
-                       return $this->getDefaultMessageText() !== false;
+                       // message content will be displayed, same for language subpages-
+                       // Use always content language to avoid loading hundreds of languages
+                       // to get the link color.
+                       global $wgContLang;
+                       list( $name, $lang ) = MessageCache::singleton()->figureMessage( $wgContLang->lcfirst( $this->getText() ) );
+                       $message = wfMessage( $name )->inLanguage( $wgContLang )->useDatabase( false );
+                       return $message->exists();
                }
 
                return false;
@@ -4161,9 +4166,9 @@ class Title {
         */
        public function fixSpecialName() {
                if ( $this->getNamespace() == NS_SPECIAL ) {
-                       list( $canonicalName, /*...*/ ) = SpecialPageFactory::resolveAlias( $this->mDbkeyform );
+                       list( $canonicalName, $par ) = SpecialPageFactory::resolveAlias( $this->mDbkeyform );
                        if ( $canonicalName ) {
-                               $localName = SpecialPageFactory::getLocalNameFor( $canonicalName );
+                               $localName = SpecialPageFactory::getLocalNameFor( $canonicalName, $par );
                                if ( $localName != $this->mDbkeyform ) {
                                        return Title::makeTitle( NS_SPECIAL, $localName );
                                }
@@ -4351,9 +4356,6 @@ class Title {
                if ( $this->getNamespace() == NS_SPECIAL ) {
                        // special pages are in the user language
                        return $wgLang;
-               } elseif ( $this->isRedirect() ) {
-                       // the arrow on a redirect page is aligned according to the user language
-                       return $wgLang;
                } elseif ( $this->isCssOrJsPage() ) {
                        // css/js should always be LTR and is, in fact, English
                        return wfGetLangObj( 'en' );
@@ -4370,37 +4372,3 @@ class Title {
                return wfGetLangObj( $pageLang );
        }
 }
-
-/**
- * A BadTitle is generated in MediaWiki::parseTitle() if the title is invalid; the
- * software uses this to display an error page.  Internally it's basically a Title
- * for an empty special page
- */
-class BadTitle extends Title {
-       public function __construct(){
-               $this->mTextform = '';
-               $this->mUrlform = '';
-               $this->mDbkeyform = '';
-               $this->mNamespace = NS_SPECIAL; // Stops talk page link, etc, being shown
-       }
-
-       public function exists(){
-               return false;
-       }
-
-       public function getPrefixedText(){
-               return '';
-       }
-
-       public function getText(){
-               return '';
-       }
-
-       public function getPrefixedURL(){
-               return '';
-       }
-
-       public function getPrefixedDBKey(){
-               return '';
-       }
-}