Packages
phoenix
0.7.0
1.8.9
1.8.8
1.8.7
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1.8.0-rc.0
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1.7.0
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1.5.4
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1.5.0
1.5.0-rc.0
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1.4.0
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1.4.0-rc.1
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1.3.5
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1.3.1
1.3.0
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1.3.0-rc.1
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1.2.5
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1.1.3
1.1.2
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1.1.0
1.0.6
1.0.5
1.0.4
1.0.3
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1.0.1
1.0.0
0.17.1
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0.16.1
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0.15.0
0.14.0
0.13.1
0.13.0
0.12.0
0.11.0
0.10.0
0.9.0
0.8.0
0.7.2
0.7.1
0.7.0
0.6.2
0.6.1
0.6.0
0.5.0
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0.4.0
0.3.1
0.3.0
0.2.11
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0.2.9
0.2.8
0.2.7
0.2.6
0.2.5
0.2.4
0.2.3
0.2.2
0.2.1
0.2.0
0.1.0
Productive. Reliable. Fast. A productive web framework that does not compromise speed or maintainability.
Security advisory:
This version has known vulnerabilities.
View advisories
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Files
lib/phoenix/endpoint/cowboy_handler.ex
defmodule Phoenix.Endpoint.CowboyHandler do
@moduledoc false
@connection Plug.Adapters.Cowboy.Conn
@already_sent {:plug_conn, :sent}
def init({transport, :http}, req, {plug, opts}) when transport in [:tcp, :ssl] do
{:upgrade, :protocol, __MODULE__, req, {transport, plug, opts}}
end
def upgrade(req, env, __MODULE__, {transport, plug, opts}) do
conn = @connection.conn(req, transport)
try do
case conn = plug.call(conn, opts) do
%Plug.Conn{private: %{phoenix_upgrade: upgrade}} ->
{@connection, req} = conn.adapter
{:websocket, handler} = upgrade
:cowboy_websocket.upgrade(req, env, __MODULE__, {handler, conn})
_ ->
{@connection, req} = maybe_send(conn, plug).adapter
{:ok, req, [{:result, :ok} | env]}
end
catch
:error, value ->
stack = System.stacktrace()
exception = Exception.normalize(:error, value, stack)
reason = {{exception, stack}, {plug, :call, [conn, opts]}}
terminate(reason, req, stack)
:throw, value ->
stack = System.stacktrace()
reason = {{{:nocatch, value}, stack}, {plug, :call, [conn, opts]}}
terminate(reason, req, stack)
:exit, value ->
stack = System.stacktrace()
reason = {value, {plug, :call, [conn, opts]}}
terminate(reason, req, stack)
after
receive do
@already_sent -> :ok
after
0 -> :ok
end
end
end
def terminate(reason, req, stack) do
:cowboy_req.maybe_reply(stack, req)
exit(reason)
end
defp maybe_send(%Plug.Conn{state: :unset}, _plug), do: raise Plug.Conn.NotSentError
defp maybe_send(%Plug.Conn{state: :set} = conn, _plug), do: Plug.Conn.send_resp(conn)
defp maybe_send(%Plug.Conn{} = conn, _plug), do: conn
defp maybe_send(other, plug) do
raise "Cowboy adapter expected #{inspect plug} to return Plug.Conn but got: #{inspect other}"
end
## Websockets
def websocket_init(_transport, req, {handler, conn}) do
{:ok, state} = handler.ws_init(conn)
{:ok, req, {handler, state}}
end
def websocket_handle({:text, text}, req, {handler, state}) do
state = handler.ws_handle(text, state)
{:ok, req, {handler, state}}
end
def websocket_handle(_other, req, {handler, state}) do
{:ok, req, {handler, state}}
end
def websocket_info({:reply, text}, req, state) do
{:reply, {:text, text}, req, state}
end
def websocket_info(:shutdown, req, state) do
{:shutdown, req, state}
end
def websocket_info(:hibernate, req, {handler, state}) do
:ok = handler.ws_hibernate(state)
{:ok, req, state, :hibernate}
end
def websocket_info(message, req, {handler, state}) do
state = handler.ws_info(message, state)
{:ok, req, {handler, state}}
end
def websocket_terminate(reason, _req, {handler, state}) do
:ok = handler.ws_terminate(reason, state)
end
end