1 files changed, 48 insertions, 0 deletions
diff --git a/www/wiki/extensions/UniversalLanguageSelector/resources/js/ext.uls.geoclient.js b/www/wiki/extensions/UniversalLanguageSelector/resources/js/ext.uls.geoclient.js
new file mode 100644
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+++ b/www/wiki/extensions/UniversalLanguageSelector/resources/js/ext.uls.geoclient.js
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+/*!
+ * ULS GeoIP client
+ *
+ * Copyright (C) 2012 Alolita Sharma, Amir Aharoni, Arun Ganesh, Brandon Harris,
+ * Niklas Laxström, Pau Giner, Santhosh Thottingal, Siebrand Mazeland and other
+ * contributors. See CREDITS for a list.
+ *
+ * UniversalLanguageSelector is dual licensed GPLv2 or later and MIT. You don't
+ * have to do anything special to choose one license or the other and you don't
+ * have to notify anyone which license you are using. You are free to use
+ * UniversalLanguageSelector in commercial projects as long as the copyright
+ * header is left intact. See files GPL-LICENSE and MIT-LICENSE for details.
+ *
+ * @file
+ * @ingroup Extensions
+ * @licence GNU General Public Licence 2.0 or later
+ * @licence MIT License
+ */
+
+( function () {
+	'use strict';
+
+	var geo,
+		cacheAge = 60 * 60 * 8, // 8 hours
+		service = mw.config.get( 'wgULSGeoService' );
+
+	// This is not supposed to happen. For sanity prefer existing value.
+	if ( window.Geo ) {
+		return;
+	}
+
+	// Using cache for speed and to reduce load on the third-party service.
+	// Using cookies over localStorage because cookies support automatic expiring.
+	// This cookie is not currently read server-side.
+	geo = mw.cookie.get( 'ULSGeo' );
+	if ( geo ) {
+		try {
+			window.Geo = JSON.parse( geo );
+			return;
+		} catch ( e ) {}
+	}
+
+	$.getJSON( service ).done( function ( data ) {
+		window.Geo = data;
+		mw.cookie.set( 'ULSGeo', JSON.stringify( data ), cacheAge );
+	} );
+
+}() );