Access Twitter API 1.1 in web browser

twitter_api_1.1.js

/* Access Twitter API 1.1 in browser.
** Get your access keys to use Twitter API 1.1: https://dev.twitter.com/docs/auth/tokens-devtwittercom
** Format JSON in Firefox: https://addons.mozilla.org/EN-us/firefox/addon/jsonview/
** You can change Twitter API URL and Twitter screen_name, then execute script from a trusted web page without CSP protection like about:blank in Firefox Scratchpad or any other browser console.
*/


var script = document.createElement("script");
script.setAttribute("src", "https://pastebin.com/raw/HFjqYLdG"); // http://oauth.googlecode.com/svn/code/javascript/oauth.js (down)
document.body.appendChild(script);
script.addEventListener("load", function() {
	var script2 = document.createElement("script");
	script2.setAttribute("src", "https://pastebin.com/raw/M0N8JKwf"); // http://pajhome.org.uk/crypt/md5/sha1.js
	document.head.appendChild(script2);
	script2.addEventListener("load", function() {
		var url = "https://api.twitter.com/1.1/statuses/user_timeline.json";
		var accessor = {
			token: "XXX",
			tokenSecret: "XXX",
			consumerKey : "XXX",
			consumerSecret: "XXX"
		};
		var message = {
			action: url,
			method: "GET",
			parameters: {screen_name: "jack"}
		};
		OAuth.completeRequest(message, accessor);
		OAuth.SignatureMethod.sign(message, accessor);
		document.location = url + '?' + OAuth.formEncode(message.parameters);
	});
});