const express = require("express"); const app = express(); const request = require("request"); var fuzIsOpen = false; var lastSeen = new Date("1970-01-01"); var lastNofified = new Date("1970-01-01"); var lastClosed = new Date("1970-01-01"); const fs = require("fs"); const db = "./.data/data.json"; const closingTimeout = 5 * 60 * 1000; // 5 mins try { var content = fs.readFileSync(db, "utf8"); fuzIsOpen = JSON.parse(content)["fuzIsOpen"] || fuzIsOpen; lastSeen = new Date(JSON.parse(content)["lastSeen"] || lastSeen); lastNofified = new Date(JSON.parse(content)["lastNofified"] || lastNofified); lastClosed = new Date(JSON.parse(content)["lastClosed"] || lastClosed); } catch (err) {} app.use(express.static("public")); app.get("/", (req, res) => { res.sendFile(__dirname + "/views/index.html"); }); app.get("/img", (req, res) => { if (fuzIsOpen && new Date() - closingTimeout < lastSeen) { return res.sendFile(__dirname + "/views/open.svg"); // https://www.flaticon.com/free-icon/open_1234189 } res.sendFile(__dirname + "/views/closed.svg"); // https://www.flaticon.com/free-icon/closed_1234190 }); app.get("/api", (req, res) => { res.header("Access-Control-Allow-Origin", "*"); res.header( "Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept" ); res.send({ fuzIsOpen, lastSeen, lastClosed }); }); app.get("/status", (req, res) => { // http basic auth handling without 3rd-party lib https://stackoverflow.com/a/33905671 const auth = { login: process.env.MATRIXUSERNAME, password: process.env.MATRIXPASSWORD }; // parse login and password from headers const b64auth = (req.headers.authorization || "").split(" ")[1] || ""; const [_, login, password] = new Buffer(b64auth, "base64").toString().match(/(.*):(.*)/) || []; // slightly modified as we use : in username if ( !login || !password || login !== auth.login || password !== auth.password ) { console.log(login, password); res.set("WWW-Authenticate", 'Basic realm="Authentication required"'); return res.status(401).send("Authentication required."); } fuzIsOpen = req.query.fuzisopen === "1"; lastSeen = new Date(); try { fs.writeFileSync(db, JSON.stringify({ fuzIsOpen, lastSeen, lastClosed })); } catch (err) {} res.sendStatus(200); }); const listener = app.listen(process.env.PORT, function() { console.log("Your app is listening on port " + listener.address().port); }); request.post( { url: "https://" + process.env.MATRIXUSERNAME.substring( process.env.MATRIXUSERNAME.indexOf(":") + 1 ) + "/_matrix/client/r0/login", body: JSON.stringify({ type: "m.login.password", user: process.env.MATRIXUSERNAME.substring( 0, process.env.MATRIXUSERNAME.indexOf(":") ), password: process.env.MATRIXPASSWORD, identifier: { type: "m.id.user", user: process.env.MATRIXUSERNAME.substring( 0, process.env.MATRIXUSERNAME.indexOf(":") ) } }), headers: { "Content-Type": "application/json" } }, function(error, response, body) { console.log(body); const accessToken = JSON.parse(body)["access_token"]; const loop = () => { console.log("loop", lastClosed); if (lastSeen < new Date() - closingTimeout && lastClosed < lastSeen) { // the Fuz is newly closed, notify on matrix and write file to survive reboot lastClosed = new Date(); //lastNofified = new Date(); //https.post ... send message to Fuz process.env.MATRIXROOM request.put( { url: "https://" + process.env.MATRIXUSERNAME.substring( process.env.MATRIXUSERNAME.indexOf(":") + 1 ) + "/_matrix/client/r0/rooms/" + process.env.MATRIXROOM + "/send/m.room.message/" + new Date().getTime() + "?access_token=" + accessToken + "&limit=1", body: JSON.stringify({ msgtype: "m.text", body: process.env.MATRIXMESSAGE }), headers: { "Content-Type": "application/json" } }, function(error, response, body2) { if (!error) { try { fs.writeFileSync( db, JSON.stringify({ fuzIsOpen, lastSeen, lastClosed }) ); } catch (err) {} } console.log(body2) setTimeout(loop, 10 * 1000); } ); } else { setTimeout(loop, 10 * 1000); } }; setTimeout(loop, 1 * 60 * 1000); // give some time for presence button to show up (1 min) } ); if (process.env.PROJECT_DOMAIN != "") { process.on("SIGTERM", function() { console.log("SIGTERM received, sending SOS to Resurrect..."); require("https").get( "https://resurrect.glitch.me/" + process.env.PROJECT_DOMAIN + "", process.exit ); }); }