authorization flow added

utils/generateRandString.js

@@ -0,0 +1,14 @@
+/**
+ * Generates a random string containing numbers and letters
+ * @param  {number} length The length of the string
+ * @return {string} The generated string
+ */
+module.exports = (length) => {
+	const possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+	let text = '';
+
+	for (let i = 0; i < length; i++) {
+		text += possible.charAt(Math.floor(Math.random() * possible.length));
+	}
+	return text;
+};