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server.js
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server.js
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//some basic stuff
const express = require("express");
const rp = require("request-promise");
const parseString = require("xml2js").parseString;
const xml2js = require("xml2js");
const multer = require("multer");
const upload = multer();
const fs = require("fs");
const http = require("http");
const https = require("https");
const privateKey = fs.readFileSync("localhost.key", "utf8");
const certificate = fs.readFileSync("localhost.crt", "utf8");
const credentials = { key: privateKey, cert: certificate };
const app = express();
http.createServer(app).listen(3002);
https.createServer(credentials, app).listen(3001);
app.use(express.static("client"));
//If you don't use Hass.io set HassEnv to false
var HassEnv = false;
if (HassEnv === true) {
var options = require("./options");
app.set("options", options);
}
if (HassEnv === false) {
var options = require("./client/js/options.json");
}
// Globals
let speakers = [];
let channelName;
let currentVolume;
let source;
let ContentItem;
// get Device ip for later in Intercom function
let deviceIP;
var os = require("os");
// console.log(os.networkInterfaces());
if (os.networkInterfaces().eth0) {
deviceIP = os.networkInterfaces().eth0[0].address;
}
if (os.networkInterfaces()["Wi-Fi"]) {
let wifi = os.networkInterfaces()["Wi-Fi"].length;
deviceIP = os.networkInterfaces()["Wi-Fi"][wifi - 1].address;
}
if (os.networkInterfaces().enp3s0) {deviceIP = os.networkInterfaces().enp3s0[0].address;
}
if (os.networkInterfaces().enp6s0) {deviceIP = os.networkInterfaces().enp6s0[0].address;
}
if (os.networkInterfaces().Ethernet) {
let ethernet = os.networkInterfaces().Ethernet.length;
deviceIP = os.networkInterfaces().Ethernet[ethernet - 1].address;
}
console.log(deviceIP);
//discover speakers and push their basic data to array
var counter = 0;
function speakerDiscovery() {
var bonjour = require("bonjour")();
bonjour.find({ type: "soundtouch" }, function(service) {
var myObj = {
name: service.name,
ip: service.referer.address,
mac: service.txt.mac
};
//fill or update array only when necessary
var objIndex = speakers.findIndex(x => x.name == myObj.name);
if (objIndex === -1) {
speakers.push(myObj);
console.log("new speaker added");
}
if (objIndex !== -1) {
if (speakers[objIndex].ip != myObj.ip) {
speakers[objIndex].ip = myObj.ip;
console.log("existing speaker ip updated");
}
}
});
//initially run bonjour find function every 5 seconds
if (counter < 10) {
setTimeout(speakerDiscovery, 5000);
counter++;
}
//after that repeat every 15 minutes in case new speakers are added or their ip changes
if (counter === 10) {
setInterval(speakerDiscovery, 900000);
counter++;
}
}
speakerDiscovery();
//make speaker-array available to client
app.get("/api/devices", function(req, res) {
res.status(200).json(speakers);
});
// make user's options available to client
app.get("/api/options", function(req, res) {
res.status(200).json(options);
});
// interface Action functions (had to be moved to backend because of new Cors restriction in Soundtouch API)
const APIkey = ""; //enter your app API key from developer.bose.com
app.get("/api/getInfo", function(req, res, next) {
let selectedSpeakerIP = req.query.ip;
let speakerInfo = [];
let baseURL = "http://" + selectedSpeakerIP + ":8090";
let getURL = baseURL + "/now_playing";
let getURL2 = baseURL + "/volume";
rp(getURL)
.then(function(body) {
parseString(body, function(err, result) {
source = result.nowPlaying.$.source;
speakerInfo.push(source);
if (source === "STANDBY") {
channelName = "Speaker OFF";
speakerInfo.push(channelName);
} else if (source === "RADIOPLAYER" || source === "TUNEIN") {
channelName = result.nowPlaying.ContentItem[0].itemName[0];
ContentItem = result.nowPlaying.ContentItem[0];
var builder = new xml2js.Builder();
let obj = { ContentItem };
ContentItem = builder.buildObject(obj);
ContentItem = ContentItem.slice(56);
//console.log(ContentItem);
speakerInfo.push(channelName);
}
});
})
.then(function() {
rp(getURL2)
.then(function(body) {
parseString(body, function(err, result) {
currentVolume = result.volume.actualvolume[0];
speakerInfo.push(currentVolume);
//console.log(speakerInfo);
});
})
.then(function() {
res.status(200).json(speakerInfo);
});
})
.catch(function(err) {
console.log("error: " + err);
//console.log(speakerInfo);
res.status(500).json(speakerInfo);
});
});
app.post("/api/switchOnOff", function(req, res, next) {
let selectedSpeakerIP = req.query.ip;
var postData = "<key state='press' sender='Gabbo'>POWER</key>";
var postData2 = "<key state='release' sender='Gabbo'>POWER</key>";
var options = {
method: "POST",
uri: "http://" + selectedSpeakerIP + ":8090/key",
body: postData
};
var options2 = {
method: "POST",
uri: "http://" + selectedSpeakerIP + ":8090/key",
body: postData2
};
rp(options)
.then(function(body) {
console.log("powerbutton press fired");
})
.then(function(body) {
rp(options2).then(function(body) {
console.log("powerbutton release fired");
res.sendStatus(200);
});
})
.catch(function(err) {
console.log("error: " + err);
});
});
app.post("/api/setVolume", function(req, res, next) {
let selectedSpeakerIP = req.query.ip;
let selectedSpeakerVolume = req.query.vol;
var postData = "<volume>" + selectedSpeakerVolume + "</volume>";
var options = {
method: "POST",
uri: "http://" + selectedSpeakerIP + ":8090/volume",
body: postData
};
rp(options)
.then(function(body) {
console.log("setVolume function fired");
res.sendStatus(200);
})
.catch(function(err) {
console.log("error: " + err);
});
});
app.post("/api/setChannel", function(req, res, next) {
let selectedSpeakerIP = req.query.ip;
let favourite = req.query.fav;
if (HassEnv === false) {
var options = require("./client/js/options.json");
} else {
var options = app.options;
}
let postData = options.radioFavourites[favourite].payload;
var options = {
method: "POST",
uri: "http://" + selectedSpeakerIP + ":8090/select",
body: postData
};
rp(options)
.then(function(body) {
console.log("setChannel function fired");
function ok() {
res.sendStatus(200);
}
setTimeout(ok, 800);
})
.catch(function(err) {
console.log("error: " + err);
});
});
app.post("/api/sendMessage", function(req, res, next) {
let selectedSpeakerIP = req.query.ip;
let message = req.query.url;
if (message === "recording") {
message = "http://" + deviceIP + ":3002/upload/message.mp3";
}
var postData =
"<play_info><app_key>" +
APIkey +
"</app_key><url>" +
message +
"</url><service>Intercom</service><volume>45</volume></play_info>";
var options = {
method: "POST",
uri: "http://" + selectedSpeakerIP + ":8090/speaker",
body: postData
};
rp(options)
.then(function(body) {
console.log("Intercom Message sent");
res.sendStatus(200);
})
.catch(function(err) {
console.log("error: " + err);
});
});
app.post("/api/setFavourite", function(req, res, next) {
let newFav = {
favID: options.radioFavourites.length,
channelName: channelName,
payload: ContentItem
};
options.radioFavourites.push(newFav);
let optionsString = JSON.stringify(options);
fs.writeFile("./client/js/options.json", optionsString, "utf-8", err => {
if (err) {
console.error(err);
return;
}
console.log("Options file has been updated");
res.sendStatus(200);
});
});
app.post("/api/unsetFavourite", function(req, res, next) {
let id = req.query.favId;
console.log(id);
options.radioFavourites.splice(id, 1);
for (i = 0; i < options.radioFavourites.length; i++) {
if (options.radioFavourites[i].favID > id) {
options.radioFavourites[i].favID = options.radioFavourites[i].favID - 1;
}
}
let optionsString = JSON.stringify(options);
fs.writeFile("./client/js/options.json", optionsString, "utf-8", err => {
if (err) {
console.error(err);
return;
}
console.log("Options file has been updated");
res.sendStatus(200);
});
});
//upload route for sound recording
app.post("/api/upload", upload.single("soundBlob"), function(req, res, next) {
let uploadLocation = __dirname + "/client/upload/" + req.file.originalname;
fs.writeFileSync(uploadLocation, Buffer.from(new Uint8Array(req.file.buffer)));
res.sendStatus(200);
});