Node.js (server-side)

npm install pusher

import Pusher from 'pusher';
 
const pusher = new Pusher({
  appId: process.env.MAWJLY_APP_ID!,
  key: process.env.MAWJLY_KEY!,
  secret: process.env.MAWJLY_SECRET!,
  cluster: 'sa',
  host: 'ws-sa.mawjly.com',
  port: '443',
  useTLS: true,
});
 
await pusher.trigger('chat', 'message', {
  user: 'alice',
  text: 'Hello from Node!',
});

await pusher.triggerBatch([
  { channel: 'chat', name: 'message', data: { text: 'one' } },
  { channel: 'chat', name: 'message', data: { text: 'two' } },
  { channel: 'chat', name: 'typing', data: { user: 'alice' } },
]);

const channels = await pusher.get({
  path: '/channels',
  params: { filter_by_prefix: 'presence-' },
});
 
const members = await pusher.get({
  path: '/channels/presence-room-1/users',
});

import express from 'express';
const app = express();
app.use(express.urlencoded({ extended: true }));
 
app.post('/pusher/auth', (req, res) => {
  const { socket_id, channel_name } = req.body;
 
  // 1. Auth your user via your normal session middleware first.
  const userId = req.session?.userId;
  if (!userId) return res.sendStatus(401);
 
  // 2. Optionally check the user can subscribe to this channel.
  if (channel_name.startsWith('private-user.') &&
      channel_name !== `private-user.${userId}`) {
    return res.sendStatus(403);
  }
 
  // 3. Sign and return.
  const presence = channel_name.startsWith('presence-')
    ? { user_id: String(userId), user_info: { name: req.session.name } }
    : undefined;
 
  const auth = pusher.authorizeChannel(socket_id, channel_name, presence);
  res.json(auth);
});