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-rw-r--r--includes/interwiki/Interwiki.php195
1 files changed, 123 insertions, 72 deletions
diff --git a/includes/interwiki/Interwiki.php b/includes/interwiki/Interwiki.php
index 4003fa88..55b25069 100644
--- a/includes/interwiki/Interwiki.php
+++ b/includes/interwiki/Interwiki.php
@@ -31,7 +31,25 @@ class Interwiki {
protected static $smCache = array();
const CACHE_LIMIT = 100; // 0 means unlimited, any other value is max number of entries.
- protected $mPrefix, $mURL, $mAPI, $mWikiID, $mLocal, $mTrans;
+ /** @var string The interwiki prefix, (e.g. "Meatball", or the language prefix "de") */
+ protected $mPrefix;
+
+ /** @var string The URL of the wiki, with "$1" as a placeholder for an article name. */
+ protected $mURL;
+
+ /** @var string The URL of the file api.php */
+ protected $mAPI;
+
+ /** @var string The name of the database (for a connection to be established
+ * with wfGetLB( 'wikiid' ))
+ */
+ protected $mWikiID;
+
+ /** @var bool Whether the wiki is in this project */
+ protected $mLocal;
+
+ /** @var bool Whether interwiki transclusions are allowed */
+ protected $mTrans;
public function __construct( $prefix = null, $url = '', $api = '', $wikiId = '', $local = 0,
$trans = 0
@@ -52,6 +70,7 @@ class Interwiki {
*/
public static function isValidInterwiki( $prefix ) {
$result = self::fetch( $prefix );
+
return (bool)$result;
}
@@ -63,13 +82,16 @@ class Interwiki {
*/
public static 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 ) {
$iw = Interwiki::getInterwikiCached( $prefix );
@@ -79,11 +101,14 @@ class Interwiki {
$iw = false;
}
}
+
if ( self::CACHE_LIMIT && count( self::$smCache ) >= self::CACHE_LIMIT ) {
reset( self::$smCache );
unset( self::$smCache[key( self::$smCache )] );
}
+
self::$smCache[$prefix] = $iw;
+
return $iw;
}
@@ -93,7 +118,7 @@ class Interwiki {
* @note More logic is explained in DefaultSettings.
*
* @param string $prefix Interwiki prefix
- * @return Interwiki object
+ * @return Interwiki
*/
protected static function getInterwikiCached( $prefix ) {
$value = self::getInterwikiCacheEntry( $prefix );
@@ -107,6 +132,7 @@ class Interwiki {
} else {
$s = false;
}
+
return $s;
}
@@ -123,28 +149,34 @@ class Interwiki {
static $db, $site;
wfDebug( __METHOD__ . "( $prefix )\n" );
- if ( !$db ) {
- $db = CdbReader::open( $wgInterwikiCache );
- }
- /* Resolve site name */
- if ( $wgInterwikiScopes >= 3 && !$site ) {
- $site = $db->get( '__sites:' . wfWikiID() );
- if ( $site == '' ) {
- $site = $wgInterwikiFallbackSite;
+ $value = false;
+ try {
+ if ( !$db ) {
+ $db = CdbReader::open( $wgInterwikiCache );
+ }
+ /* Resolve site name */
+ if ( $wgInterwikiScopes >= 3 && !$site ) {
+ $site = $db->get( '__sites:' . wfWikiID() );
+ if ( $site == '' ) {
+ $site = $wgInterwikiFallbackSite;
+ }
}
- }
- $value = $db->get( wfMemcKey( $prefix ) );
- // Site level
- if ( $value == '' && $wgInterwikiScopes >= 3 ) {
- $value = $db->get( "_{$site}:{$prefix}" );
- }
- // Global Level
- if ( $value == '' && $wgInterwikiScopes >= 2 ) {
- $value = $db->get( "__global:{$prefix}" );
- }
- if ( $value == 'undef' ) {
- $value = '';
+ $value = $db->get( wfMemcKey( $prefix ) );
+ // Site level
+ if ( $value == '' && $wgInterwikiScopes >= 3 ) {
+ $value = $db->get( "_{$site}:{$prefix}" );
+ }
+ // Global Level
+ if ( $value == '' && $wgInterwikiScopes >= 2 ) {
+ $value = $db->get( "__global:{$prefix}" );
+ }
+ if ( $value == 'undef' ) {
+ $value = '';
+ }
+ } catch ( CdbException $e ) {
+ wfDebug( __METHOD__ . ": CdbException caught, error message was "
+ . $e->getMessage() );
}
return $value;
@@ -154,12 +186,12 @@ class Interwiki {
* Load the interwiki, trying first memcached then the DB
*
* @param string $prefix The interwiki prefix
- * @return bool If $prefix is valid
+ * @return Interwiki|bool Interwiki if $prefix is valid, otherwise false
*/
protected static function load( $prefix ) {
global $wgMemc, $wgInterwikiExpiry;
- $iwData = false;
+ $iwData = array();
if ( !wfRunHooks( 'InterwikiLoadPrefix', array( $prefix, &$iwData ) ) ) {
return Interwiki::loadFromArray( $iwData );
}
@@ -168,11 +200,13 @@ class Interwiki {
$key = wfMemcKey( 'interwiki', $prefix );
$iwData = $wgMemc->get( $key );
if ( $iwData === '!NONEXISTENT' ) {
- return false; // negative cache hit
+ // negative cache hit
+ return false;
}
}
- if ( $iwData && is_array( $iwData ) ) { // is_array is hack for old keys
+ // is_array is hack for old keys
+ if ( $iwData && is_array( $iwData ) ) {
$iw = Interwiki::loadFromArray( $iwData );
if ( $iw ) {
return $iw;
@@ -181,8 +215,13 @@ class Interwiki {
$db = wfGetDB( DB_SLAVE );
- $row = $db->fetchRow( $db->select( 'interwiki', self::selectFields(), array( 'iw_prefix' => $prefix ),
- __METHOD__ ) );
+ $row = $db->fetchRow( $db->select(
+ 'interwiki',
+ self::selectFields(),
+ array( 'iw_prefix' => $prefix ),
+ __METHOD__
+ ) );
+
$iw = Interwiki::loadFromArray( $row );
if ( $iw ) {
$mc = array(
@@ -192,11 +231,13 @@ class Interwiki {
'iw_trans' => $iw->mTrans
);
$wgMemc->add( $key, $mc, $wgInterwikiExpiry );
+
return $iw;
- } else {
- $wgMemc->add( $key, '!NONEXISTENT', $wgInterwikiExpiry ); // negative cache hit
}
+ // negative cache hit
+ $wgMemc->add( $key, '!NONEXISTENT', $wgInterwikiExpiry );
+
return false;
}
@@ -217,6 +258,7 @@ class Interwiki {
return $iw;
}
+
return false;
}
@@ -232,51 +274,55 @@ class Interwiki {
static $db, $site;
wfDebug( __METHOD__ . "()\n" );
- if ( !$db ) {
- $db = CdbReader::open( $wgInterwikiCache );
- }
- /* Resolve site name */
- if ( $wgInterwikiScopes >= 3 && !$site ) {
- $site = $db->get( '__sites:' . wfWikiID() );
- if ( $site == '' ) {
- $site = $wgInterwikiFallbackSite;
- }
- }
-
- // List of interwiki sources
- $sources = array();
- // Global Level
- if ( $wgInterwikiScopes >= 2 ) {
- $sources[] = '__global';
- }
- // Site level
- if ( $wgInterwikiScopes >= 3 ) {
- $sources[] = '_' . $site;
- }
- $sources[] = wfWikiID();
-
$data = array();
-
- foreach ( $sources as $source ) {
- $list = $db->get( "__list:{$source}" );
- foreach ( explode( ' ', $list ) as $iw_prefix ) {
- $row = $db->get( "{$source}:{$iw_prefix}" );
- if ( !$row ) {
- continue;
+ try {
+ if ( !$db ) {
+ $db = CdbReader::open( $wgInterwikiCache );
+ }
+ /* Resolve site name */
+ if ( $wgInterwikiScopes >= 3 && !$site ) {
+ $site = $db->get( '__sites:' . wfWikiID() );
+ if ( $site == '' ) {
+ $site = $wgInterwikiFallbackSite;
}
+ }
- list( $iw_local, $iw_url ) = explode( ' ', $row );
-
- if ( $local !== null && $local != $iw_local ) {
- continue;
+ // List of interwiki sources
+ $sources = array();
+ // Global Level
+ if ( $wgInterwikiScopes >= 2 ) {
+ $sources[] = '__global';
+ }
+ // Site level
+ if ( $wgInterwikiScopes >= 3 ) {
+ $sources[] = '_' . $site;
+ }
+ $sources[] = wfWikiID();
+
+ foreach ( $sources as $source ) {
+ $list = $db->get( "__list:{$source}" );
+ foreach ( explode( ' ', $list ) as $iw_prefix ) {
+ $row = $db->get( "{$source}:{$iw_prefix}" );
+ if ( !$row ) {
+ continue;
+ }
+
+ list( $iw_local, $iw_url ) = explode( ' ', $row );
+
+ if ( $local !== null && $local != $iw_local ) {
+ continue;
+ }
+
+ $data[$iw_prefix] = array(
+ 'iw_prefix' => $iw_prefix,
+ 'iw_url' => $iw_url,
+ 'iw_local' => $iw_local,
+ );
}
-
- $data[$iw_prefix] = array(
- 'iw_prefix' => $iw_prefix,
- 'iw_url' => $iw_url,
- 'iw_local' => $iw_local,
- );
}
+ } catch ( CdbException $e ) {
+ wfDebug( __METHOD__ . ": CdbException caught, error message was "
+ . $e->getMessage() );
}
ksort( $data );
@@ -308,10 +354,12 @@ class Interwiki {
self::selectFields(),
$where, __METHOD__, array( 'ORDER BY' => 'iw_prefix' )
);
+
$retval = array();
foreach ( $res as $row ) {
$retval[] = (array)$row;
}
+
return $retval;
}
@@ -327,9 +375,9 @@ class Interwiki {
if ( $wgInterwikiCache ) {
return self::getAllPrefixesCached( $local );
- } else {
- return self::getAllPrefixesDB( $local );
}
+
+ return self::getAllPrefixesDB( $local );
}
/**
@@ -346,6 +394,7 @@ class Interwiki {
if ( $title !== null ) {
$url = str_replace( "$1", wfUrlencode( $title ), $url );
}
+
return $url;
}
@@ -394,6 +443,7 @@ class Interwiki {
*/
public function getName() {
$msg = wfMessage( 'interwiki-name-' . $this->mPrefix )->inContentLanguage();
+
return !$msg->exists() ? '' : $msg;
}
@@ -404,6 +454,7 @@ class Interwiki {
*/
public function getDescription() {
$msg = wfMessage( 'interwiki-desc-' . $this->mPrefix )->inContentLanguage();
+
return !$msg->exists() ? '' : $msg;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-26 03:41:56 +0000