Initial commit

functions/.eslintrc.js

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+module.exports = {
+  root: true,
+  env: {
+    es6: true,
+    node: true,
+  },
+  extends: [
+    "eslint:recommended",
+    "google",
+  ],
+  rules: {
+    quotes: ["error", "double"],
+  },
+};

functions/.gitignore

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+node_modules/

functions/agora.js

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+const {
+  RtcTokenBuilder,
+  RtmTokenBuilder,
+  RtcRole,
+  RtmRole,
+} = require('agora-access-token');
+
+function getAgoraToken(channelName) {
+  // Rtc Examples
+  const appID = 'c8dfd65deb5c4741bd564085627139d0';
+  const appCertificate = 'aa57b809934b4efcb407cf30089d9f25';
+  const uid = 0; // no need to use this as we have authenticated this user
+  const role = RtcRole.PUBLISHER;
+
+  const expirationTimeInSeconds = 3600;
+
+  const currentTimestamp = Math.floor(Date.now() / 1000);
+
+  const privilegeExpiredTs = currentTimestamp + expirationTimeInSeconds;
+
+  // IMPORTANT! Build token with either the uid or with the user account. Comment out the option you do not want to use below.
+
+  // Build token with uid
+  const tokenA = RtcTokenBuilder.buildTokenWithUid(
+    appID,
+    appCertificate,
+    channelName,
+    uid,
+    role,
+    privilegeExpiredTs
+  );
+  console.log('Token With Integer Number Uid: ' + tokenA);
+
+  return tokenA;
+}
+
+module.exports = { getAgoraToken };

functions/index.js

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+const functions = require('firebase-functions');
+const admin = require('firebase-admin');
+
+var express = require('express');
+const app = express();
+
+admin.initializeApp();
+
+app.get('/', (req, res) => res.send('Hello World!'));
+
+exports.helloworld = functions.https.onRequest(app);
+
+const agora = require('./agora');
+exports.agoraToken = functions.https.onCall((data, context) => {
+  console.log(data);
+
+  console.log("user's id: " + context.auth.uid);
+  const channelName = data.channelName;
+
+  let token = agora.getAgoraToken(channelName);
+
+  return { token };
+});

functions/package.json

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+{
+  "name": "functions",
+  "description": "Cloud Functions for Firebase",
+  "scripts": {
+    "lint": "eslint .",
+    "serve": "firebase emulators:start --only functions",
+    "shell": "firebase functions:shell",
+    "start": "npm run shell",
+    "deploy": "firebase deploy --only functions",
+    "logs": "firebase functions:log"
+  },
+  "engines": {
+    "node": "16"
+  },
+  "main": "index.js",
+  "dependencies": {
+    "agora-access-token": "^2.0.4",
+    "express": "^4.17.2",
+    "firebase-admin": "^9.8.0",
+    "firebase-functions": "^3.14.1"
+  },
+  "devDependencies": {
+    "eslint": "^7.6.0",
+    "eslint-config-google": "^0.14.0",
+    "firebase-functions-test": "^0.2.0"
+  },
+  "private": true
+}