Fix Instagram support

background.js

@@ -108,16 +108,11 @@ function getBetterUrl(url, callback) {
 		callback(url);
 	} else if(isInstagramUrl(url)) {
 		var request = new XMLHttpRequest();
-		request.open('GET', 'https://api.instagram.com/oembed/?callback=&url=' + url, true);
+		request.open('GET', cleanExtension(url) + '?__a=1', true);
 		request.onload = function () {
 			var json = JSON.parse(request.responseText);
 
-			var filename = json.thumbnail_url.substr(json.thumbnail_url.lastIndexOf('/') + 1);
-			filename = filename.substr(0, filename.indexOf('?'));
-
-			var baseurl = 'https://scontent-amt2-1.cdninstagram.com/';
-
-			callback(baseurl + '/' + filename);
+			callback(json.graphql.shortcode_media.display_url);
 		};
 		request.send();
 	} else if(isPixivUrl(url)) {