Initial commit. Implemented OAuth, Linodes, volumes, and images

2020-01-10 00:24:59 -05:00
commit 9915ef3413
121 changed files with 14776 additions and 0 deletions
--- a/login.js
+++ b/login.js
@ -0,0 +1,111 @@
+/*
+ * This file is part of Linode Manager Classic.
+ *
+ * Linode Manager Classic is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Linode Manager Classic is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Linode Manager Classic.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { settings, elements, parseParams } from "/global.js";
+import { clientID } from "/clientID.js";
+
+(function()
+{
+	// Element names specific to this page
+	elements.login = "login";
+
+	// Data recieved from API calls
+	var data = {};
+
+	// Generate a v4 UUID
+	var generateUUID = function()
+	{
+		var accept = "0123456789abcdef";
+		var uuid = "";
+
+		for (var i = 0; i < 32; i++)
+			uuid += accept.charAt(Math.floor(Math.random() * accept.length));
+
+		uuid = uuid.slice(0, 8) + "-" + uuid.slice(8, 12) + "-" + uuid.slice(12, 16) + "-" + uuid.slice(16, 20) + "-" + uuid.slice(20);
+		return uuid;
+	};
+
+	// Login to Linode via OAuth
+	var login = function(event)
+	{
+		if (event && event.currentTarget.disabled)
+			return;
+
+		localStorage.state = generateUUID();
+
+		var params = new URLSearchParams();
+		params.set("client_id", clientID);
+		params.set("scope", "*");
+		params.set("response_type", "token");
+		params.set("state", localStorage.state);
+
+		location.href = settings.oauthURL + "/authorize" + "?" + params.toString();
+	};
+
+	// Initial setup
+	var setup = function()
+	{
+		// Parse URL parameters
+		data.params = parseParams();
+
+		// If we're being given an access token, store it and redirect
+		if (data.params.access_token && data.params.expires_in && data.params.state) {
+			if (localStorage.state && localStorage.state == data.params.state) {
+				localStorage.removeItem("state");
+				localStorage.apiKey = data.params.access_token;
+				localStorage.apiExpire = Date.now() + (data.params.expires_in * 1000);
+				if (localStorage.redirectTo)
+					location.href = localStorage.redirectTo;
+				else
+					location.href = "/linodes/";
+				return;
+			}
+
+			// If the returned state doesn't match our local one, scrap everything and start over
+			alert("Something's fishy here. Let's try again.");
+		}
+
+		// If we already have an unexpired token, redirect
+		if (localStorage.apiKey && localStorage.apiExpire) {
+			var now = new Date();
+			var expires = new Date(parseInt(localStorage.apiExpire));
+			if (expires > now) {
+				location.href = "/linodes/";
+				return;
+			}
+		}
+
+		// Otherwise, clear everything
+		localStorage.clear();
+
+		// Store our desired redirect
+		if (data.params.redirectTo)
+			localStorage.redirectTo = decodeURIComponent(data.params.redirectTo);
+
+		// Don't wait for click if we were redirected from another page
+		if (data.params.skip && data.params.skip == "1")
+			login(null);
+
+		// Register login button handler
+		var loginButton = document.getElementById(elements.login);
+		loginButton.addEventListener("click", login);
+		loginButton.disabled = false;
+	};
+
+	// Attach onload handler
+	window.addEventListener("load", setup);
+})();