Implementing Authentication

# Enable internal authentication in rabbitmq.conf
auth_backends = internal

# Set default user and password
default_user = myuser
default_pass = mypass

[rabbitmq]
auth_backends = [rabbit.auth_backend.ldap]

[auth_ldap]
servers = ["ldap.example.com:389"]
user_dn_pattern = "cn={0},ou=users,dc=example,dc=com"
search_base = "dc=example,dc=com"
attribute = "cn"
bind_format = "{0}"

[rabbitmq]
auth_backends = [rabbit.auth_backend.ldap]

[auth_ldap]
servers = ["ldaps.example.com:636"]
user_dn_pattern = "cn={0},ou=users,dc=example,dc=com"
use_ssl = true
tls_options = {verify = verify_peer, fail_if_no_peer_cert = true}
search_base = "dc=example,dc=com"
attribute = "cn"
bind_format = "{0}"

{
  "http_auth": {
    "cache_ttl": 300000,
    "ip_whitelist": ["127.0.0.1"],
    "user_cache_ttl": 60000
  }
}

const amqp = require('amqplib');

// Connect using TLS and certificate authentication
const connection = await amqp.connect(
  'amqps://user:pass@localhost:5671',
  {
    cert: fs.readFileSync('/path/to/client.crt'),
    key: fs.readFileSync('/path/to/client.key'),
    ca: [fs.readFileSync('/path/to/ca.crt')],
    rejectUnauthorized: true
  }
);

// Example middleware to handle OAuth 2.0 tokens
const express = require('express');
const app = express();

app.use('/rabbitmq', (req, res, next) => {
  const token = req.headers.authorization?.split(' ')[1];
  if (!token) {
    return res.status(401).send('Unauthorized');
  }
  // Validate token with OAuth provider
  next();
});

app.listen(3000, () => {
  console.log('Middleware server running on port 3000');
});

# rabbitmq.conf
auth_backends.1 = ldap
ldap.servers.1 = ldap.example.com
ldap.port = 389
ldap.user_dn_pattern = cn={username},ou=users,dc=example,dc=com

auth_backends.2 = jwt
jwt.secret = "secret-key"
jwt.algorithm = HS256

auth_backends.3 = radius
radius.servers.1 = radius.example.com
radius.port = 1812
radius.secret = "radius-secret"

[auth_cache]
type = memory
ttl = 600
max_size = 2000

# rabbitmq.conf
auth_backends.1 = ldap
ldap.servers.1 = ldap.example.com
ldap.port = 389
ldap.user_dn_pattern = uid={0},ou=people,dc=example,dc=com
ldap.use_ssl = false
ldap.tls_verify = true

const amqp = require('amqplib');

async function handleConsumer() {
  try {
    const connection = await amqp.connect('amqp://user:pass@localhost');
    const channel = await connection.createChannel();
    
    await channel.consume('queue', (msg) => {
      if (!msg) return;
      
      const content = JSON.parse(msg.content.toString());
      // Simulate auth check
      if (!isValidToken(content.token)) {
        channel.nack(msg, false, false); // Reject message
        console.error('Authentication failed for message:', content);
      } else {
        channel.ack(msg); // Accept message
      }
    });
  } catch (error) {
    if (error.code === 'ECONNREFUSED') {
      console.error('RabbitMQ connection failed');
      // Implement retry logic or fallback
    } else {
      console.error('Authentication error:', error.message);
    }
  }
}

function isValidToken(token) {
  // Dummy validation logic
  return token && token.length > 10;
}

{
  "event_type": "authentication.success",
  "user_id": "admin",
  "connection_id": "conn-12345",
  "timestamp": "2026-01-15T10:30:00Z"
}