Add experimental Instagram support

background.js

@@ -99,6 +99,22 @@ function getBetterUrl(url) {
 		url = url + ':orig';
 	}
 
+
+	if(isInstagramUrl(url)) {
+		var request = new XMLHttpRequest();
+		request.open('GET', 'https://api.instagram.com/oembed/?callback=&url=' + url, false); //TODO: Make this asynchronous somehow
+		request.send(null);
+
+		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/';
+
+		return baseurl + '/' + filename;
+	}
+
 	return url;
 }
 
@@ -114,6 +130,10 @@ function cleanExtension(url) {
 	return url;
 }
 
+function isInstagramUrl(url) {
+	return url.indexOf('instagram.com/p') != -1;
+}
+
 function isCoolUrl(url) {
 	url = url.toLowerCase();
 
@@ -122,7 +142,7 @@ function isCoolUrl(url) {
 	
 	var validExtensions = ["jpg", "jpeg", "png", "gif", "webm", "gifv", "mp4", "mp3", "ogg", "opus"];
 
-	return validExtensions.indexOf(extension) != -1;
+	return validExtensions.indexOf(extension) != -1 || isInstagramUrl(url);
 }
 
 chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {

options.html

@@ -49,7 +49,6 @@
 			* Add pixiv support
 			* Add progress/status messages
 			* Add imageboard thread archival support
-			* Add instagram support
 			* Add booru support
 			* Add imgur album support
 			* Add gfycat support