WIP: Start on network settings implementation for Ubuntu or Ubuntu Core

package.json

@@ -43,6 +43,7 @@
     "config": "^3.3.4",
     "country-list": "^2.2.0",
     "csv-parse": "^4.15.3",
+    "dbus": "^1.0.7",
     "express": "^4.17.1",
     "express-fileupload": "^1.2.1",
     "express-handlebars": "^5.3.5",
@@ -87,6 +88,7 @@
     "@types/compression": "^1.7.0",
     "@types/config": "0.0.38",
     "@types/country-list": "^2.1.0",
+    "@types/dbus": "^1.0.9",
     "@types/event-to-promise": "^0.7.1",
     "@types/eventsource": "^1.1.6",
     "@types/express": "^4.17.11",

snap/snapcraft.yaml

@@ -16,6 +16,7 @@ apps:
     plugs:
       - network
       - network-bind
+      - network-manager
 
 parts:
   python-deps:

src/controllers/settings_controller.ts

@@ -22,6 +22,7 @@ import TunnelService from '../tunnel-service';
 import * as CertificateManager from '../certificate-manager';
 import pkg from '../package.json';
 import { HttpErrorWithCode } from '../errors';
+import { LanMode } from '../platforms/types';
 
 function build(): express.Router {
   const auth = jwtMiddleware.middleware();
@@ -397,7 +398,12 @@ function build(): express.Router {
   });
 
   controller.get('/network/lan', auth, (_request, response) => {
-    if (Platform.implemented('getLanMode')) {
+
+    if (Platform.implemented('getLanModeAsync')) {
+      Platform.getLanModeAsync().then((mode: LanMode) => {
+        response.json(mode);
+      });
+    } else if (Platform.implemented('getLanMode')) {
       response.json(Platform.getLanMode());
     } else {
       response.status(500).send('LAN mode not implemented');

src/platform.ts

@@ -157,6 +157,7 @@ export const setDhcpServerStatus = wrapPlatform<boolean>(platform, 'setDhcpServe
 export const getHostname = wrapPlatform<string>(platform, 'getHostname');
 export const setHostname = wrapPlatform<boolean>(platform, 'setHostname');
 export const getLanMode = wrapPlatform<LanMode>(platform, 'getLanMode');
+export const getLanModeAsync = wrapPlatform<Promise<LanMode>>(platform, 'getLanModeAsync');
 export const setLanMode = wrapPlatform<boolean>(platform, 'setLanMode');
 export const getMacAddress = wrapPlatform<string | null>(platform, 'getMacAddress');
 export const getMdnsServerStatus = wrapPlatform<boolean>(platform, 'getMdnsServerStatus');

src/platforms/base.ts

@@ -49,6 +49,15 @@ export default class BasePlatform {
     throw new NotImplementedError('getLanMode');
   }
 
+  /**
+   * Get the LAN mode and options asynchronously.
+   *
+   * @returns {Promise<LanMode>} {mode: 'static|dhcp|...', options: {...}}
+   */
+  async getLanModeAsync(): Promise<LanMode> {
+    throw new NotImplementedError('getLanMode');
+  }
+
   /**
    * Set the LAN mode and options.
    *