74 lines
2.1 KiB
Markdown
74 lines
2.1 KiB
Markdown
# sneaker
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Sneakers sneaks your home server onto the internet by tunneling traffic between a public URL and your private server using WebSockets.
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## Install
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```sh
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bun add @because/sneaker
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```
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## Server
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Run the tunnel server:
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```sh
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bun run src/server.tsx
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```
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The server exposes:
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- `GET /health` — returns the current git SHA
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- `GET /tunnels` — lists active tunnel connections
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- `GET /tunnel/:app` — redirects to the app's subdomain
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- `GET /tunnel?app=NAME` — WebSocket endpoint for clients to establish a tunnel (optional `subdomain` query param to request a specific subdomain)
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Incoming HTTP requests to `SUBDOMAIN.your-server.com` are forwarded through the WebSocket to the connected client and proxied to the local target.
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The server adds an `x-sneaker` header with the server's hostname to all proxied requests.
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## Client
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```ts
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import { connect } from "@because/sneaker"
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const tunnel = connect({
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server: "ws://your-server.com",
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app: "my-app",
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target: "http://localhost:3000",
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subdomain: "my-app", // optional: request a specific subdomain
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reconnect: true, // optional: auto-reconnect (default: true)
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onOpen(subdomain) {
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console.log(`Tunnel open: ${subdomain}.your-server.com`)
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},
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onClose() {
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console.log("Tunnel closed")
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},
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onRequest(req) {
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console.log(`${req.method} ${req.path}`)
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},
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onError(err) {
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console.error(err)
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},
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})
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// Later:
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tunnel.close()
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```
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### Client options
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| Option | Type | Description |
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|---|---|---|
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| `server` | `string` | WebSocket URL of the tunnel server |
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| `app` | `string` | App name identifier |
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| `target` | `string` | Local URL to proxy requests to |
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| `subdomain` | `string?` | Request a specific subdomain |
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| `reconnect` | `boolean?` | Auto-reconnect on disconnect (default: `true`) |
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| `onOpen` | `(subdomain: string) => void` | Called when tunnel is established |
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| `onClose` | `() => void` | Called when tunnel disconnects |
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| `onRequest` | `(req) => void` | Called for each proxied request |
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| `onError` | `(error: Error) => void` | Called on errors |
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Binary responses (images, fonts, etc.) are automatically base64-encoded over the tunnel and decoded by the server.
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