Adapt the mixer demo to use kuksa.val service

Bug-AGL: SPEC-4599
Signed-off-by: Roger Zanoni <rzanoni@igalia.com>
Change-Id: If8308d3402c11ac3acc7dc11c11ed042f014b87e

1 files changed, 119 insertions, 0 deletions

diff --git a/src/js/kuksa.js b/src/js/kuksa.js
new file mode 100644
index 0000000..bbd14fa
--- /dev/null
+++ b/src/js/kuksa.js
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2022 Igalia, S.L.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { v4 as uuidv4 } from 'uuid';
+
+const DEFAULT_TARGET = "wss://localhost:8090";
+
+// TODO: use an application token when needed
+// currently using https://github.com/eclipse/kuksa.val/blob/master/kuksa_certificates/jwt/super-admin.json.token
+const TEST_TOKEN = 
+    'eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJrdWtzYS52YWwiLCJpc3MiOiJFY2xpcHNlIEtVS1NBIERldiIsImFkbWluIjp0cnVlLCJtb2RpZnlUcmVlIjp0cnVlLCJpYXQiOjE1MTYyMzkwMjIsImV4cCI6MTc2NzIyNTU5OSwia3Vrc2EtdnNzIjp7IioiOiJydyJ9fQ.p2cnFGH16QoQ14l6ljPVKggFXZKmD-vrw8G6Vs6DvAokjsUG8FHh-F53cMsE-GDjyZH_1_CrlDCnbGlqjsFbgAylqA7IAJWp9_N6dL5p8DHZTwlZ4IV8L1CtCALs7XVqvcQKHCCzB63Y8PgVDCAqpQSRb79JPVD4pZwkBKpOknfEY5y9wfbswZiRKdgz7o61_oFnd-yywpse-23HD6v0htThVF1SuGL1PuvGJ8p334nt9bpkZO3gaTh1xVD_uJMwHzbuBCF33_f-I5QMZO6bVooXqGfe1zvl3nDrPEjq1aPulvtP8RgREYEqE6b2hB8jouTiC_WpE3qrdMw9sfWGFbm04qC-2Zjoa1yYSXoxmYd0SnliSYHAad9aXoEmFENezQV-of7sc-NX1-2nAXRAEhaqh0IRuJwB4_sG7SvQmnanwkz-sBYxKqkoFpOsZ6hblgPDOPYY2NAsZlYkjvAL2mpiInrsmY_GzGsfwPeAx31iozImX75rao8rm-XucAmCIkRlpBz6MYKCjQgyRz3UtZCJ2DYF4lKqTjphEAgclbYZ7KiCuTn9HualwtEmVzHHFneHMKl7KnRQk-9wjgiyQ5nlsVpCCblg6JKr9of4utuPO3cBvbjhB4_ueQ40cpWVOICcOLS7_w0i3pCq1ZKDEMrYDJfz87r2sU9kw1zeFQk';
+
+var kuksa_context = {
+    authToken: TEST_TOKEN,
+    socket: undefined,
+    target: DEFAULT_TARGET,
+}
+
+var pathToHandler = null;
+
+function logReceivedMessage(data) {
+    console.log('Received message:', data)
+}
+
+function logConnectionStatus(status, event) {
+    console.log('Connection status:', status);
+}
+
+function kuksaws_onopen(event) {
+    logConnectionStatus('Connected.', event);
+
+    authorize();
+    subscribe(PATHS.volume);
+}
+
+function kuksaws_onerror(event) {
+    logConnectionStatus('Failed to connect:', event);
+}
+
+function kuksaws_onmessage(event) {
+    logReceivedMessage(event.data);
+
+    var jsonData = JSON.parse(event.data);
+
+    if (jsonData.action == 'get' ||
+        jsonData.action =='subscription') {
+        updateVehicleInfo(jsonData);
+    }
+}
+
+function updateVehicleInfo(message) {
+    var value = message.data.dp.value;
+    var path = message.data.path;
+
+    if (!pathToHandler.has(path)) {
+        console.log('Handler not found for', path);
+        return;
+    }
+
+    var handler = pathToHandler.get(path);
+    handler.update(path, value)
+}
+
+function send(action, values) {
+    var uuid = uuidv4();
+    var data = Object.assign({
+        action: action,
+        tokens: kuksa_context.authToken,
+        requestId: uuid,
+    }, values);
+    var message = JSON.stringify(data);
+    console.log('Sent message:', message);
+    kuksa_context.socket.send(message);
+    return uuid;
+}
+
+function subscribe(path) {
+    return send('subscribe', { path: path });
+}
+
+function authorize() {
+    return send('authorize');
+}
+
+export function get(path) {
+    return send('get', { path: path });
+}
+
+export function set(path, value) {
+    return send('set', { path: path, value: value });
+}
+
+export function init(handlers, onopen) {
+    pathToHandler = new Map(handlers);
+    if (kuksa_context.socket == undefined) {
+        kuksa_context.socket = new WebSocket(kuksa_context.target);
+        kuksa_context.socket.onopen = function() {
+            kuksaws_onopen();
+            if (onopen) {
+               onopen(); 
+            }
+        };
+        kuksa_context.socket.onerror = kuksaws_onerror;
+        kuksa_context.socket.onmessage = kuksaws_onmessage;
+    }
+}