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node_helper.js
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node_helper.js
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/*********************************
Node Helper for MMM-FSAPI.
*********************************/
const NodeHelper = require("node_helper");
const needle = require("needle");
const radiodns = require("radiodns");
const {
DOMParser
} = require("@xmldom/xmldom");
const xmljs = require("xml-js");
const jsonata = require("jsonata");
const Log = require("logger");
module.exports = NodeHelper.create({
start: function () {
Log.log("Starting node helper for: " + this.name);
needle.defaults({
parse_response: false,
compressed: true, // sets 'Accept-Encoding' to 'gzip, deflate, br'
follow_max: 5, // follow up to five redirects
});
},
socketNotificationReceived: function (notification, payload) {
if (notification === "FSAPI_GETMODES") {
var self = this;
const getData = async () => {
var modes = {};
try {
//valid modes
var resp = await needle("get", "http://" + payload.ip + "/fsapi/LIST_GET_NEXT/netRemote.sys.caps.validModes/-1?pin=" + payload.pin + "&maxItems=20");
var resp_js = xmljs.xml2js(resp.body, {
compact: true
});
var expression = jsonata('fsapiResponse.item{_attributes.key: {"type": field[_attributes.name="id"].c8_array._text, "display": field[_attributes.name="label"].c8_array._text}}');
var modes = await expression.evaluate(resp_js);
} catch (error) {
}
// send back
self.sendSocketNotification("FSAPI_MODES", modes);
};
getData();
}
if (notification === "FSAPI_GETDATA") {
var self = this;
const getData = async () => {
var xmlparser = new DOMParser();
var resp;
var xmlDoc;
//power
var power = "0";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.sys.power?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
power = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//friendlyName
var friendlyName = "Device";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.sys.info.friendlyName?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
friendlyName = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//mode
var mode = "0";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.sys.mode?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
mode = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//line1
var line1 = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.info.name?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
line1 = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//line2
var line2 = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.info.text?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
line2 = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//artist
var artist = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.info.artist?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
artist = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//album
var album = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.info.album?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
album = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//graphicUri
var graphicUri = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.info.graphicUri?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
graphicUri = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//frequency
var frequency = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.frequency?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
frequency = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//fmRdsPi
var fmRdsPi = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.serviceIds.fmRdsPi?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
fmRdsPi = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//ecc
var ecc = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.serviceIds.ecc?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
ecc = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//dabServiceId
var dabServiceId = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.serviceIds.dabServiceId?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
dabServiceId = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//dabScids
var dabScids = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.serviceIds.dabScids?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
dabScids = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
//dabEnsembleId
var dabEnsembleId = "";
resp = await needle("get", "http://" + payload.ip + "/fsapi/GET/netRemote.play.serviceIds.dabEnsembleId?pin=" + payload.pin);
xmlDoc = xmlparser.parseFromString(resp.body, "text/xml");
if (xmlDoc.getElementsByTagName("status")[0].childNodes[0].nodeValue === "FS_OK") {
try {
dabEnsembleId = xmlDoc.getElementsByTagName("value")[0].childNodes[0].childNodes[0].nodeValue;
} catch (error) {
}
}
var data = {
friendlyName: friendlyName,
power: power,
mode: mode,
type: "",
display: "",
graphicUri: graphicUri,
graphicUriStation: payload.graphicUriStation,
line1: line1,
artist: artist,
album: album,
line2: line2,
frequency: frequency,
fmRdsPi: fmRdsPi,
ecc: ecc,
dabServiceId: dabServiceId,
dabScids: dabScids,
dabEnsembleId: dabEnsembleId,
isoCountryCode: payload.isoCountryCode,
pi: ""
};
// send back
self.sendSocketNotification("FSAPI_DATA", data);
};
getData();
}
if (notification === "FSAPI_GETRADIODNS_FQDN") {
var self = this;
var params = {};
if (payload.type === "FM") {
params.system = 'fm';
params.frequency = payload.frequency / 1000; //Hz -> Mhz
params.pi = parseInt(payload.fmRdsPi).toString(16);
if (payload.ecc !== "0") {
params.ecc = parseInt(payload.ecc).toString(16);
} else {
params.isoCountryCode = payload.isoCountryCode;
}
}
if (payload.type === "DAB") {
params = {
system: 'dab',
eid: parseInt(payload.dabEnsembleId).toString(16),
sid: parseInt(payload.dabServiceId).toString(16),
ecc: parseInt(payload.ecc).toString(16)
}
}
//Log.log(self.name + "- constructFQDN Params: " + JSON.stringify(params));
var fqdn = "";
try {
fqdn = radiodns.constructFQDN(params);
} catch (error) {
}
//Log.log(self.name + " - FQDN: " + JSON.stringify(fqdn));
self.sendSocketNotification("FSAPI_RADIODNS_FQDN", fqdn);
}
if (notification === "FSAPI_GETRADIODNS_IMAGE") {
var self = this;
var params = {};
if (payload.type === "FM") {
params.system = 'fm';
params.frequency = payload.frequency / 1000; //Hz -> Mhz
params.pi = parseInt(payload.fmRdsPi).toString(16);
if (payload.ecc !== "0") {
params.ecc = parseInt(payload.ecc).toString(16);
} else {
params.isoCountryCode = payload.isoCountryCode;
}
}
if (payload.type === "DAB") {
params = {
system: 'dab',
eid: parseInt(payload.dabEnsembleId).toString(16),
sid: parseInt(payload.dabServiceId).toString(16),
ecc: parseInt(payload.ecc).toString(16)
}
}
Log.log(self.name + " - resolveApplication Params: " + JSON.stringify(params));
try {
radiodns.resolveApplication(params, 'radioepg', function (err, result) {
const getData = async () => {
var image = "";
try {
var options = {
compressed: true, // sets 'Accept-Encoding' to 'gzip,deflate'
follow_max: 5, // follow up to five redirects
rejectUnauthorized: false, // disable verify SSL certificate
};
var resp = await needle(
"get",
"http://" +
result[0].name +
"/radiodns/spi/3.1/SI.xml",
null,
options
);
if (resp.statusCode == 200) {
var bearer = "";
var fqdnArray = payload.radiodns_fqdn
.replace(".radiodns.org", "")
.split(".");
for (let i = fqdnArray.length - 1; i > -1; i--) {
if (bearer === "") {
bearer = fqdnArray[i] + ":";
} else if (i === 0) {
bearer = bearer + fqdnArray[i];
} else {
bearer = bearer + fqdnArray[i] + ".";
}
}
var radiodns_js = xmljs.xml2js(resp.body, {
compact: true,
});
var expression = jsonata(
'serviceInformation.services.service{$replace(bearer._attributes[id = "' +
bearer +
'"].id, "' +
bearer +
'", "url"): mediaDescription.multimedia._attributes[width = "600"].url}'
);
var result_url = expression.evaluate(radiodns_js);
image = result_url.url;
}
} catch (error) {}
// send back
self.sendSocketNotification("FSAPI_RADIODNS_IMAGE", image);
};
getData();
})
} catch (error) {
}
}
},
});