86 lines
1.8 KiB
Elixir
86 lines
1.8 KiB
Elixir
defmodule Phoenix.Transports.WebSocket.Raw do
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import Plug.Conn,
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only: [
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fetch_query_params: 1,
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send_resp: 3
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]
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alias Phoenix.Socket.Transport
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def default_config do
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[
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timeout: 60_000,
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transport_log: false,
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cowboy: Phoenix.Endpoint.CowboyWebSocket
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]
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end
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def init(%Plug.Conn{method: "GET"} = conn, {endpoint, handler, transport}) do
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{_, opts} = handler.__transport__(transport)
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conn =
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conn
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|> fetch_query_params
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|> Transport.transport_log(opts[:transport_log])
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|> Transport.force_ssl(handler, endpoint, opts)
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|> Transport.check_origin(handler, endpoint, opts)
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case conn do
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%{halted: false} = conn ->
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case Transport.connect(endpoint, handler, transport, __MODULE__, nil, conn.params) do
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{:ok, socket} ->
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{:ok, conn, {__MODULE__, {socket, opts}}}
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:error ->
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send_resp(conn, :forbidden, "")
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{:error, conn}
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end
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_ ->
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{:error, conn}
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end
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end
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def init(conn, _) do
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send_resp(conn, :bad_request, "")
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{:error, conn}
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end
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def ws_init({socket, config}) do
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Process.flag(:trap_exit, true)
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{:ok, %{socket: socket}, config[:timeout]}
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end
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def ws_handle(op, data, state) do
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state.socket.handler
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|> apply(:handle, [op, data, state])
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|> case do
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{op, data} ->
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{:reply, {op, data}, state}
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{op, data, state} ->
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{:reply, {op, data}, state}
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%{} = state ->
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{:ok, state}
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_ ->
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{:ok, state}
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end
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end
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def ws_info({_, _} = tuple, state) do
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{:reply, tuple, state}
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end
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def ws_info(_tuple, state), do: {:ok, state}
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def ws_close(state) do
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ws_handle(:closed, :normal, state)
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end
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def ws_terminate(reason, state) do
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ws_handle(:closed, reason, state)
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end
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end
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