Add support for FM-DX Server Map

fmdx_list.js

@@ -0,0 +1,101 @@
+/* Libraries / Imports */
+const fs = require('fs');
+const { logDebug, logError, logInfo, logWarn } = require('./console');
+const { serverConfig, configUpdate, configSave } = require('./server_config')
+
+let timeoutID = null;
+
+function send(request) {
+  const url = "https://list.fmdx.pl/api/";
+
+  const options = {
+    method: 'POST',
+    headers: {
+      'Accept': 'application/json',
+      'Content-Type': 'application/json'
+    },
+    body: JSON.stringify(request)
+  };
+
+  fetch(url, options)
+    .then(response => response.json())
+    .then(data => {
+        if (data.success && data.token)
+        {
+          if (!serverConfig.identification.token)
+          {
+            logInfo("Succesfully registered in FM-DX Server Map.");
+            serverConfig.identification.token = data.token;
+            configSave();
+          }
+          else
+          {
+            logInfo("Succesfully updated FM-DX Server Map.");
+          }
+        }
+        else
+        {
+          logWarn("Failed to update FM-DX Server Map: " + (data.error ? data.error : 'unknown error'));
+        }
+    })
+    .catch(error => {
+        logWarn("Failed to update FM-DX Server Map: " + error);
+    });
+}
+
+function sendKeepalive() {
+  if (!serverConfig.identification.token)
+  {
+    return;
+  }
+
+  const request = {
+    token: serverConfig.identification.token,
+    status: (serverConfig.lockToAdmin ? 2 : 1)
+  };
+
+  send(request);
+}
+
+function sendUpdate() {
+  const request = {
+    status: (serverConfig.lockToAdmin ? 2 : 1),
+    coords: [serverConfig.identification.lat, serverConfig.identification.lon],
+    name: serverConfig.identification.tunerName,
+    desc: serverConfig.identification.tunerDesc
+  };
+
+  if (serverConfig.identification.token)
+  {
+    request.token = serverConfig.identification.token;
+  }
+
+  if (serverConfig.identification.proxyIp.length)
+  {
+    request.url = serverConfig.identification.proxyIp;
+  }
+  else
+  {
+    request.port = serverConfig.webserver.webserverPort;
+  }
+
+  send(request);
+}
+
+function update() {
+  if (timeoutID !== null) {
+      clearTimeout(timeoutID);
+  }
+
+  if (!serverConfig.identification.broadcastTuner)
+  {
+    return;
+  }
+
+  sendUpdate();
+  timeoutID = setInterval(sendKeepalive, 5 * 60 * 1000);
+}
+
+module.exports = {
+    update
+};

index.js

@@ -23,47 +23,18 @@ const crypto = require('crypto');
 const fs = require('fs');
 const commandExists = require('command-exists-promise');
 const dataHandler = require('./datahandler');
+const fmdxList = require('./fmdx_list');
 const consoleCmd = require('./console');
 const audioStream = require('./stream/index.js');
 const { parseAudioDevice } = require('./stream/parser.js');
 const configPath = path.join(__dirname, 'config.json');
+const { serverConfig, configUpdate, configSave } = require('./server_config')
 
 const { logDebug, logError, logInfo, logWarn } = consoleCmd;
 
 let currentUsers = 0;
 let streamEnabled = false;
 let incompleteDataBuffer = '';
-let serverConfig = {
-  webserver: {
-    webserverIp: "0.0.0.0",
-    webserverPort: "8080",
-    audioPort: "8081"
-  },
-  xdrd: {
-    xdrdIp: "127.0.0.1",
-    xdrdPort: "7373",
-    xdrdPassword: ""
-  },
-  identification: {
-    tunerName: "",
-    tunerDesc: "",
-    lat: "0",
-    lon: "0",
-    broadcastTuner: false,
-    proxyIp: "",
-  },
-  password: {
-    tunePass: "",
-    adminPass: ""
-  },
-  publicTuner: true,
-  lockToAdmin: false
-};
-
-if(fs.existsSync('config.json')) {
-  const configFileContents = fs.readFileSync('config.json', 'utf8');
-  serverConfig = JSON.parse(configFileContents);
-}
 
 app.use(bodyParser.urlencoded({ extended: true }));
 const sessionMiddleware = session({
@@ -119,8 +90,9 @@ function connectToXdrd() {
       const authDataHandler = (data) => {
         const receivedData = data.toString();
         const lines = receivedData.split('\n');
-        
+
         for (const line of lines) {
+
           if (!authFlags.receivedPassword) {
             authFlags.receivedSalt = line.trim();
             authenticateWithXdrd(client, authFlags.receivedSalt, serverConfig.xdrd.xdrdPassword);
@@ -311,18 +283,21 @@ app.post('/saveData', (req, res) => {
   const data = req.body;
   let firstSetup;
   if(req.session.isAdminAuthenticated || !fs.existsSync('config.json')) {
+    configUpdate(data);
+    fmdxList.update();
+
     if(!fs.existsSync('config.json')) {
       firstSetup = true;
     }
+
+    /* TODO: Refactor to server_config.js */
     // Save data to a JSON file
-    fs.writeFile('config.json', JSON.stringify(data, null, 2), (err) => {
+    fs.writeFile('config.json', JSON.stringify(serverConfig, null, 2), (err) => {
       if (err) {
         logError(err);
         res.status(500).send('Internal Server Error');
       } else {
         logInfo('Server config changed successfully.');
-        const configFileContents = fs.readFileSync('config.json', 'utf8');
-        serverConfig = JSON.parse(configFileContents);
         if(firstSetup === true) {
           res.status(200).send('Data saved successfully!\nPlease, restart the server to load your configuration.');
         } else {
@@ -438,6 +413,4 @@ httpServer.listen(serverConfig.webserver.webserverPort, serverConfig.webserver.w
   logInfo(`Web server is running at \x1b[34mhttp://${serverConfig.webserver.webserverIp}:${serverConfig.webserver.webserverPort}\x1b[0m.`);
 });
 
-module.exports = {
+fmdxList.update();
-  serverConfig
-}

server_config.js

@@ -0,0 +1,65 @@
+/* Libraries / Imports */
+const fs = require('fs');
+const { logDebug, logError, logInfo, logWarn } = require('./console');
+
+let serverConfig = {
+  webserver: {
+    webserverIp: "0.0.0.0",
+    webserverPort: "8080",
+    audioPort: "8081"
+  },
+  xdrd: {
+    xdrdIp: "127.0.0.1",
+    xdrdPort: "7373",
+    xdrdPassword: ""
+  },
+  identification: {
+    token: null,
+    tunerName: "",
+    tunerDesc: "",
+    lat: "0",
+    lon: "0",
+    broadcastTuner: false,
+    proxyIp: "",
+  },
+  password: {
+    tunePass: "",
+    adminPass: ""
+  },
+  publicTuner: true,
+  lockToAdmin: false
+};
+
+function deepMerge(target, source)
+{
+  Object.keys(source).forEach(function(key) {
+    if (typeof target[key] === 'object' && target[key] !== null) {
+      deepMerge(target[key], source[key]);
+    } else {
+      target[key] = source[key];
+    }
+  });
+}
+
+function configUpdate(newConfig) {
+  deepMerge(serverConfig, newConfig);
+}
+
+function configSave() {
+  fs.writeFile('config.json', JSON.stringify(serverConfig, null, 2), (err) => {
+    if (err) {
+      logError(err);
+    } else {
+      logInfo('Server config saved successfully.');
+    }
+  });
+}
+
+if (fs.existsSync('config.json')) {
+  const configFileContents = fs.readFileSync('config.json', 'utf8');
+  serverConfig = JSON.parse(configFileContents);
+}
+
+module.exports = {
+    serverConfig, configUpdate, configSave
+};