From 800abf2f8e901daaf63f9c0a8c583cbb669aafd1 Mon Sep 17 00:00:00 2001
From: Li Zhineng <im@zhineng.li>
Date: Tue, 1 Jul 2025 17:14:07 +0800
Subject: docs

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+# The mock server for AIRMX Pro
+
+This repository contains a mock server used to enable AIRMX Pro devices to
+communicate. The server allows devices to register themselves with an MQTT
+server, periodically synchronize the date and time, and facilitate device
+pairing.
+
+> [!WARNING]
+> Due to the lack of the authentication feature, the code is expected to be run
+> on your internal network.
+
+## Usage
+
+We’re keeping things simple at heart while building it; the server has zero
+dependencies, so we don’t need to install anything. All you need is to spin
+up the server with:
+
+```
+node server.mjs
+```
+
+You should see _Listening on 0.0.0.0:80_. To customize the listening host
+or port, you can use the following two environment variables:
+
+```
+HOSTNAME="127.0.0.1" PORT=8080 node server.mjs
+```
+
+## Endpoints
+
+<dl>
+  <dt>GET /gettime</dt>
+  <dd>
+    From time to time, your AIRMX Pro will hit this endpoint to update its
+    local datetime, and we’re simply returning the current timestamp in
+    seconds back to the device.
+  </dd>
+
+  <dt>GET /eagle</dt>
+  <dd>
+    During the pairing process, when the device receives the Wi-Fi credentials
+    you provide, it registers itself with this endpoint along with its MAC
+    address and encryption key, which is the token that allows you to control
+    your device remotely later. We store this device information in an
+    in-memory SQLite database and wait for you to exchange your device key at
+    the final stage of the pairing process.
+  </dd>
+
+  <dt>GET /exchange</dt>
+  <dd>
+    To streamline device pairing, we introduce an unofficial API that enables
+    you to directly retrieve your device key from the browser. However, it's
+    crucial to understand that this API lacks authentication and will exchange
+    your device encryption key based solely on the device ID.
+  </dd>
+</dl>
+
+## License
+
+The code is released under [the MIT license](LICENSE.md).
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