UDP <> WebSocket bridge with PSK auth.
Server process:
UDP_SEND_HOST=127.0.0.1 \
UDP_SEND_PORT=1457 \
UDP_RECV_HOST=255.255.255.255 \
UDP_RECV_PORT=1457 \
WS_HOST=127.0.0.1 \
WS_PORT=8080 \
PRE_SHARED_KEY=secret \
node udp-ws/index.jsTLS proxy of your choosing (TLS is required for safe PSK auth over the public internet):
server.com:443 <> server.com:8080
Client javascript:
const s = new WebSocket('wss://server.com')
s.authenticated = false
s.addEventListener('message', evt => {
if (s.authenticated) {
console.log('got message', evt.data)
} else if (evt.data === 'ok') {
s.authenticated = true
console.log('auth success')
} else {
console.log('auth failure')
}
})
s.send('secret')MIT