@tririga/tri-proxy/lib/proxy-utils.js

A development HTTP proxy for IBM TRIRIGA UX views.

/* 
 * Forked from https://github.com/BrowserSync/browser-sync/blob/master/packages/browser-sync/lib/server/proxy-utils.js
 * When removing domain from cookies, it will not remove Secure attribute.
 * Copyright (c) 2016 Shane Osbourne 
 * Licensed under the Apache 2.0 license.
 */

function checkCookies(res) {
	if (typeof res.headers["set-cookie"] !== "undefined") {
		res.headers["set-cookie"] = res.headers["set-cookie"].map(function (item) {
			return rewriteCookies(item);
		});
	}
}

function rewriteCookies(rawCookie) {
	var objCookie = (function () {
		// simple parse function (does not remove quotes)
		var obj = {};
		var pairs = rawCookie.split(/; */);

		pairs.forEach(function (pair) {
			var eqIndex = pair.indexOf("=");

			// skip things that don't look like key=value
			if (eqIndex < 0) {
				return;
			}

			var key = pair.substr(0, eqIndex).trim();
			obj[key] = pair.substr(eqIndex + 1, pair.length).trim();
		});

		return obj;
	})();

	var pairs = Object.keys(objCookie)
		.filter(function (item) {
			return item.toLowerCase() !== "domain";
		})
		.map(function (key) {
			return key + "=" + objCookie[key];
		});

	if (rawCookie.match(/httponly/i)) {
		pairs.push("HttpOnly");
	}
	if (rawCookie.match(/secure/i)) {
		pairs.push("Secure");
	}
	return pairs.join("; ");
}

module.exports.checkCookies = checkCookies;