Add "check" parameter to action=email

[lhc/web/wiklou.git] / includes / Interwiki.php

diff --git a/includes/Interwiki.php b/includes/Interwiki.php
index 33e69a1..3522fad 100644 (file)
--- a/includes/Interwiki.php
+++ b/includes/Interwiki.php
@@ -32,25 +32,8 @@ class Interwiki {
         * @param $prefix string Interwiki prefix to use
         */
        static public function isValidInterwiki( $prefix ){
-               global $wgContLang;
-               $prefix = $wgContLang->lc( $prefix );
-               if( isset( self::$smCache[$prefix] ) ){
-                       return true;
-               }
-               global $wgInterwikiCache;
-               if ($wgInterwikiCache) {
-                       return Interwiki::isValidInterwikiCached( $key );
-               }
-               $iw = Interwiki::load( $prefix );
-               if( !$iw ){
-                       $iw = false;
-               }
-               if( self::CACHE_LIMIT && count( self::$smCache ) >= self::CACHE_LIMIT ){
-                       reset( self::$smCache );
-                       unset( self::$smCache[ key( self::$smCache ) ] );
-               }
-               self::$smCache[$prefix] = $iw;
-               return ($iw != false);
+               $result = self::fetch( $prefix );
+               return (bool)$result;
        }
 
        /**
@@ -61,17 +44,21 @@ class Interwiki {
         */
        static public function fetch( $prefix ) {
                global $wgContLang;
+               if( $prefix == '' ) {
+                       return null;
+               }
                $prefix = $wgContLang->lc( $prefix );
                if( isset( self::$smCache[$prefix] ) ){
                        return self::$smCache[$prefix];
                }
                global $wgInterwikiCache;
                if ($wgInterwikiCache) {
-                       return Interwiki::getInterwikiCached( $key );
-               }
-               $iw = Interwiki::load( $prefix );
-               if( !$iw ){
-                       $iw = false;
+                       $iw = Interwiki::getInterwikiCached( $prefix );
+               } else {
+                       $iw = Interwiki::load( $prefix );
+                       if( !$iw ){
+                               $iw = false;
+                       }
                }
                if( self::CACHE_LIMIT && count( self::$smCache ) >= self::CACHE_LIMIT ){
                        reset( self::$smCache );
@@ -86,13 +73,13 @@ class Interwiki {
         *
         * @note More logic is explained in DefaultSettings.
         *
-        * @param $key \type{\string} Database key
+        * @param $prefix \type{\string} Interwiki prefix
         * @return \type{\Interwiki} An interwiki object
         */
-       protected static function getInterwikiCached( $key ) {
-               $value = getInterwikiCacheEntry( $key );
+       protected static function getInterwikiCached( $prefix ) {
+               $value = self::getInterwikiCacheEntry( $prefix );
                
-               $s = new Interwiki( $key );
+               $s = new Interwiki( $prefix );
                if ( $value != '' ) {
                        // Split values
                        list( $local, $url ) = explode( ' ', $value, 2 );
@@ -101,39 +88,22 @@ class Interwiki {
                }else{
                        $s = false;
                }
-               if( self::CACHE_LIMIT && count( self::$smCache ) >= self::CACHE_LIMIT ){
-                       reset( self::$smCache );
-                       unset( self::$smCache[ key( self::$smCache ) ] );
-               }
-               self::$smCache[$prefix] = $s;
                return $s;
        }
        
-       /**
-        * Check whether an interwiki is in the cache
-        *
-        * @note More logic is explained in DefaultSettings.
-        *
-        * @param $key \type{\string} Database key
-        * @return \type{\bool} Whether it exists
-        */
-       protected static function isValidInterwikiCached( $key ) {
-               $value = getInterwikiCacheEntry( $key );
-               return $value != '';
-       }
-       
        /**
         * Get entry from interwiki cache
         *
         * @note More logic is explained in DefaultSettings.
         *
-        * @param $key \type{\string} Database key
+        * @param $prefix \type{\string} Database key
         * @return \type{\string) The entry
         */
-       protected static function getInterwikiCacheEntry( $key ){
+       protected static function getInterwikiCacheEntry( $prefix ){
                global $wgInterwikiCache, $wgInterwikiScopes, $wgInterwikiFallbackSite;
                static $db, $site;
 
+               wfDebug( __METHOD__ . "( $prefix )\n" );
                if( !$db ){
                        $db = dba_open( $wgInterwikiCache, 'r', 'cdb' );
                }
@@ -145,14 +115,14 @@ class Interwiki {
                        }
                }
                
-               $value = dba_fetch( wfMemcKey( $key ), $db );
+               $value = dba_fetch( wfMemcKey( $prefix ), $db );
                // Site level
                if ( $value == '' && $wgInterwikiScopes >= 3 ) {
-                       $value = dba_fetch( "_{$site}:{$key}", $db );
+                       $value = dba_fetch( "_{$site}:{$prefix}", $db );
                }
                // Global Level
                if ( $value == '' && $wgInterwikiScopes >= 2 ) {
-                       $value = dba_fetch( "__global:{$key}", $db );
+                       $value = dba_fetch( "__global:{$prefix}", $db );
                }
                if ( $value == 'undef' )
                        $value = '';
@@ -169,7 +139,7 @@ class Interwiki {
         *
         */
        protected static function load( $prefix ) {
-               global $wgMemc;
+               global $wgMemc, $wgInterwikiExpiry;
                $key = wfMemcKey( 'interwiki', $prefix );
                $mc = $wgMemc->get( $key );
                $iw = false;
@@ -187,7 +157,7 @@ class Interwiki {
                $iw = Interwiki::loadFromArray( $row );
                if ( $iw ) {
                        $mc = array( 'iw_url' => $iw->mURL, 'iw_local' => $iw->mLocal, 'iw_trans' => $iw->mTrans );
-                       $wgMemc->add( $key, $mc );
+                       $wgMemc->add( $key, $mc, $wgInterwikiExpiry );
                        return $iw;
                }