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