e0661f825d
This is causing duplicate English Wikipedia interwiki links.
The second link is supposed to be for Simple English, but
instead is linked to English Wikipedia.
This reverts commit 1c1c74adef.
Bug: T137404
Change-Id: Ibc1c53ec1b8e643b47ad52f38a8496acfb399d65
139 lines
3.4 KiB
PHP
139 lines
3.4 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*
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* @license GNU GPL v2+
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*/
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/**
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* Provides a file-based cache of a SiteStore. The sites are stored in
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* a json file. (see docs/sitescache.txt regarding format)
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*
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* The cache can be built with the rebuildSitesCache.php maintenance script,
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* and a MediaWiki instance can be setup to use this by setting the
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* 'wgSitesCacheFile' configuration to the cache file location.
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*
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* @since 1.25
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*/
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class FileBasedSiteLookup implements SiteLookup {
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/**
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* @var SiteList
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*/
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private $sites = null;
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/**
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* @var string
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*/
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private $cacheFile;
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/**
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* @param string $cacheFile
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*/
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public function __construct( $cacheFile ) {
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$this->cacheFile = $cacheFile;
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}
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/**
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* @since 1.25
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*
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* @return SiteList
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*/
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public function getSites() {
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if ( $this->sites === null ) {
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$this->sites = $this->loadSitesFromCache();
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}
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return $this->sites;
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}
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/**
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* @param string $globalId
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*
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* @since 1.25
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*
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* @return Site|null
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*/
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public function getSite( $globalId ) {
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$sites = $this->getSites();
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return $sites->hasSite( $globalId ) ? $sites->getSite( $globalId ) : null;
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}
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/**
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* @return SiteList
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*/
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private function loadSitesFromCache() {
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$data = $this->loadJsonFile();
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$sites = new SiteList();
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// @todo lazy initialize the site objects in the site list (e.g. only when needed to access)
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foreach ( $data['sites'] as $siteArray ) {
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$sites[] = $this->newSiteFromArray( $siteArray );
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}
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return $sites;
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}
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/**
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* @throws MWException
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* @return array see docs/sitescache.txt for format of the array.
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*/
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private function loadJsonFile() {
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if ( !is_readable( $this->cacheFile ) ) {
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throw new MWException( 'SiteList cache file not found.' );
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}
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$contents = file_get_contents( $this->cacheFile );
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$data = json_decode( $contents, true );
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if ( !is_array( $data ) || !is_array( $data['sites'] )
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|| !array_key_exists( 'sites', $data )
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) {
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throw new MWException( 'SiteStore json cache data is invalid.' );
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}
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return $data;
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}
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/**
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* @param array $data
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*
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* @return Site
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*/
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private function newSiteFromArray( array $data ) {
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$siteType = array_key_exists( 'type', $data ) ? $data['type'] : Site::TYPE_UNKNOWN;
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$site = Site::newForType( $siteType );
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$site->setGlobalId( $data['globalid'] );
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$site->setForward( $data['forward'] );
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$site->setGroup( $data['group'] );
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$site->setLanguageCode( $data['language'] );
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$site->setSource( $data['source'] );
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$site->setExtraData( $data['data'] );
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$site->setExtraConfig( $data['config'] );
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foreach ( $data['identifiers'] as $identifier ) {
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$site->addLocalId( $identifier['type'], $identifier['key'] );
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}
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return $site;
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}
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}
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