mwhitworth
I’m excited to share reverse_proxy_plug_websocket, a library for reverse proxying websocket connections in Elixir.
This idea grew out of several tickets filed on the reverse_proxy_plug project around a need to support websockets. This library handles the complexity of:
-
Detecting WebSocket upgrade requests
-
Establishing connections to upstream WebSocket servers
-
Maintaining bidirectional message flow between clients and upstream
-
Managing connection lifecycle and cleanup
It supports Gun and Websockex as adapters for the actual websocket functionality.
Proxying in a language like Elixir allows for dynamic runtime behaviour, described in the README, and (hopefully soon) the ability to rewrite or instrument the data stream itself, as required.
Feedback most welcome!
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- Hex
- GitHub:
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mwhitworth
I’ve now released 0.2.0, which features the ability to intercept, modify or drop WebSocket frames in either direction - see this section in the README.