Implement lock-champ & hover-champ

desktop/.gitignore

@@ -22,3 +22,6 @@
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+
+# Local cache
+/twitch-auth

desktop/express-server/index.js

@@ -1,116 +0,0 @@
-const express = require('express');
-const fetch = require('node-fetch');
-const LCUConnector = require('lcu-connector');
-const ngrok = require('ngrok');
-
-Buffer = Buffer || require('buffer').Buffer;
-
-process.env['NODE_TLS_REJECT_UNAUTHORIZED'] = 0;
-
-const btoa = string => Buffer.from(string).toString('base64');
-const jsonResponse = res => res.json();
-
-let lcuConnector;
-
-const PORT = 6969;
-let server;
-
-const TWITCH_APP_CLIENT_ID = 'vgg3y1iox13ljlp25hogabv408qz0m';
-const TWITCH_APP_CLIENT_SECRET = 'apl0hcj3qpdb5bialb7hq3twhoruol'; // TODO: Hide this.
-const TWITCH_REDIRECT_URL = `http://localhost:${PORT}/twitch/oauth/redirect`;
-
-module.exports.startExpressServer = () => {
-    return new Promise((resolve, reject) => {
-        try {
-            lcuConnector = new LCUConnector();
-            server = express();
-            global.expressServerPort = PORT;
-
-            server.get('/', (req, res) => {
-                res.send('Hello, world!');
-            });
-
-            server.get('/request', async (req, res) => {
-                handleRequest(req, res, 'GET');
-            });
-
-            server.post('/request', (req, res) => {
-                handleRequest(req, res, 'POST');
-            });
-
-            server.get('/twitch/oauth/redirect', async (req, res) => {
-                const {code} = req.query;
-
-                const accessToken = await fetchTwitchAccessToken(code);
-
-                global.twitchAuthStorage.setItem('accessToken', JSON.stringify(accessToken));
-
-                global.mainWindow.webContents.send('gotTwitchAccessToken', accessToken);
-            });
-
-            server.listen(PORT, async () => {
-                global.ngrokUrl = await ngrok.connect(PORT);
-
-                lcuConnector.on('connect', data => {
-                    console.log('LCU data: ', data);
-
-                    global.LCU_data = data;
-                    global.LCU_auth = `${btoa(`${global.LCU_data.username}:${global.LCU_data.password}`)}`;
-
-                    resolve(true);
-                });
-
-                lcuConnector.on('disconnect', () => {
-                    console.warn(`WARN: LCU connector disconnected.`);
-                });
-
-                lcuConnector.start();
-
-                // TODO: [later] Mention the timeout in UI
-                // TODO: [later] Allow user to customize duration to timeout
-                // TODO: Figure out a nicer way to signal timeout to UI
-                setTimeout(() => {
-                    reject(`[LCU_TIMEOUT]: Express server timed out while attempting to read LCU data. Probably because no running League Client was found.`);
-                }, 10000);
-            });
-        } catch (error) {
-            reject(error);
-        }
-    });
-};
-
-const handleRequest = async (req, res, type = 'GET') => {
-    const {endpoint} = req.query;
-    console.log(`Handling [${type}] request for endpoint '${endpoint}'...`);
-
-    const response = await sendRequest(endpoint, {method: type});
-
-    console.log(`Response for endpoint '${endpoint}': `, response);
-
-    res.json(response);
-};
-
-const sendRequest = (endpoint, options = {}) => {
-    const {protocol, address, port} = global.LCU_data;
-    const url = `${protocol}://${address}:${port}${endpoint}`;
-
-    options = {
-        ...options,
-        headers: {
-            Accept: 'application/json',
-            Authorization: `Basic ${global.LCU_auth}`
-        }
-    };
-
-    return fetch(url, options)
-        .then(jsonResponse)
-        .catch(err => console.log(`ERROR: `, err));
-};
-
-const fetchTwitchAccessToken = code => {
-    const url = `https://id.twitch.tv/oauth2/token?client_id=${TWITCH_APP_CLIENT_ID}&client_secret=${TWITCH_APP_CLIENT_SECRET}&code=${code}&grant_type=authorization_code&redirect_uri=${TWITCH_REDIRECT_URL}`;
-
-    return fetch(url, {method: 'POST'})
-        .then(jsonResponse)
-        .catch(console.error);
-};

desktop/express-server/package.json

@@ -11,6 +11,7 @@
   "license": "MIT",
   "dependencies": {
     "buffer": "^5.6.0",
+    "cors": "^2.8.5",
     "express": "^4.17.1",
     "lcu-connector": "^2.1.3",
     "ngrok": "^3.2.7",