Merge branch 'rewrite/integration-test-websocket-client' into 'develop'

Rewrite integration-test websocket client with Mint.WebSocket, closes #2812

Closes #2812

See merge request pleroma/pleroma!3649
This commit is contained in:
Haelwenn 2022-09-02 19:18:22 +00:00
commit 01239456a1
4 changed files with 189 additions and 37 deletions

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@ -211,7 +211,8 @@ defmodule Pleroma.Mixfile do
{:excoveralls, "0.12.3", only: :test},
{:hackney, "~> 1.18.0", override: true},
{:mox, "~> 1.0", only: :test},
{:websocket_client, git: "https://github.com/jeremyong/websocket_client.git", only: :test}
{:mint, "~> 1.4", only: :test, override: true},
{:mint_web_socket, "~> 0.3.0", only: :test}
] ++ oauth_deps()
end

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@ -79,6 +79,7 @@
"mime": {:hex, :mime, "1.6.0", "dabde576a497cef4bbdd60aceee8160e02a6c89250d6c0b29e56c0dfb00db3d2", [:mix], [], "hexpm", "31a1a8613f8321143dde1dafc36006a17d28d02bdfecb9e95a880fa7aabd19a7"},
"mimerl": {:hex, :mimerl, "1.2.0", "67e2d3f571088d5cfd3e550c383094b47159f3eee8ffa08e64106cdf5e981be3", [:rebar3], [], "hexpm", "f278585650aa581986264638ebf698f8bb19df297f66ad91b18910dfc6e19323"},
"mint": {:hex, :mint, "1.4.0", "cd7d2451b201fc8e4a8fd86257fb3878d9e3752899eb67b0c5b25b180bde1212", [:mix], [{:castore, "~> 0.1.0", [hex: :castore, repo: "hexpm", optional: true]}], "hexpm", "10a99e144b815cbf8522dccbc8199d15802440fc7a64d67b6853adb6fa170217"},
"mint_web_socket": {:hex, :mint_web_socket, "0.3.0", "c9e130dcc778d673fd713eb66434e16cf7d89cee0754e75f26f8bd9a9e592b63", [:mix], [{:mint, "~> 1.4 and >= 1.4.1", [hex: :mint, repo: "hexpm", optional: false]}], "hexpm", "0605bc3fa684e1a7719b22a3f74be4de5e6a16dd43ac18ebcea72e2adc33b532"},
"mochiweb": {:hex, :mochiweb, "2.18.0", "eb55f1db3e6e960fac4e6db4e2db9ec3602cc9f30b86cd1481d56545c3145d2e", [:rebar3], [], "hexpm"},
"mock": {:hex, :mock, "0.3.7", "75b3bbf1466d7e486ea2052a73c6e062c6256fb429d6797999ab02fa32f29e03", [:mix], [{:meck, "~> 0.9.2", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm", "4da49a4609e41fd99b7836945c26f373623ea968cfb6282742bcb94440cf7e5c"},
"mogrify": {:hex, :mogrify, "0.9.1", "a26f107c4987477769f272bd0f7e3ac4b7b75b11ba597fd001b877beffa9c068", [:mix], [], "hexpm", "134edf189337d2125c0948bf0c228fdeef975c594317452d536224069a5b7f05"},

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@ -28,21 +28,28 @@ defmodule Pleroma.Integration.MastodonWebsocketTest do
qs -> @path <> qs
end
WebsocketClient.start_link(self(), path, headers)
WebsocketClient.connect(self(), path, headers)
end
test "refuses invalid requests" do
capture_log(fn ->
assert {:error, {404, _}} = start_socket()
assert {:error, {404, _}} = start_socket("?stream=ncjdk")
assert {:error, %Mint.WebSocket.UpgradeFailureError{status_code: 404}} = start_socket()
assert {:error, %Mint.WebSocket.UpgradeFailureError{status_code: 404}} =
start_socket("?stream=ncjdk")
Process.sleep(30)
end)
end
test "requires authentication and a valid token for protected streams" do
capture_log(fn ->
assert {:error, {401, _}} = start_socket("?stream=user&access_token=aaaaaaaaaaaa")
assert {:error, {401, _}} = start_socket("?stream=user")
assert {:error, %Mint.WebSocket.UpgradeFailureError{status_code: 401}} =
start_socket("?stream=user&access_token=aaaaaaaaaaaa")
assert {:error, %Mint.WebSocket.UpgradeFailureError{status_code: 401}} =
start_socket("?stream=user")
Process.sleep(30)
end)
end
@ -102,7 +109,9 @@ defmodule Pleroma.Integration.MastodonWebsocketTest do
assert {:ok, _} = start_socket("?stream=user&access_token=#{token.token}")
capture_log(fn ->
assert {:error, {401, _}} = start_socket("?stream=user")
assert {:error, %Mint.WebSocket.UpgradeFailureError{status_code: 401}} =
start_socket("?stream=user")
Process.sleep(30)
end)
end
@ -111,7 +120,9 @@ defmodule Pleroma.Integration.MastodonWebsocketTest do
assert {:ok, _} = start_socket("?stream=user:notification&access_token=#{token.token}")
capture_log(fn ->
assert {:error, {401, _}} = start_socket("?stream=user:notification")
assert {:error, %Mint.WebSocket.UpgradeFailureError{status_code: 401}} =
start_socket("?stream=user:notification")
Process.sleep(30)
end)
end
@ -120,7 +131,7 @@ defmodule Pleroma.Integration.MastodonWebsocketTest do
assert {:ok, _} = start_socket("?stream=user", [{"Sec-WebSocket-Protocol", token.token}])
capture_log(fn ->
assert {:error, {401, _}} =
assert {:error, %Mint.WebSocket.UpgradeFailureError{status_code: 401}} =
start_socket("?stream=user", [{"Sec-WebSocket-Protocol", "I am a friend"}])
Process.sleep(30)

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@ -3,60 +3,199 @@
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Integration.WebsocketClient do
# https://github.com/phoenixframework/phoenix/blob/master/test/support/websocket_client.exs
@moduledoc """
A WebSocket client used to test Mastodon API streaming
Based on Phoenix Framework's WebsocketClient
https://github.com/phoenixframework/phoenix/blob/master/test/support/websocket_client.exs
"""
use GenServer
import Kernel, except: [send: 2]
defstruct [
:conn,
:request_ref,
:websocket,
:caller,
:status,
:resp_headers,
:sender,
closing?: false
]
@doc """
Starts the WebSocket server for given ws URL. Received Socket.Message's
are forwarded to the sender pid
Starts the WebSocket client for given ws URL. `Phoenix.Socket.Message`s
received from the server are forwarded to the sender pid.
"""
def start_link(sender, url, headers \\ []) do
:crypto.start()
:ssl.start()
:websocket_client.start_link(
String.to_charlist(url),
__MODULE__,
[sender],
extra_headers: headers
)
def connect(sender, url, headers \\ []) do
with {:ok, socket} <- GenServer.start_link(__MODULE__, {sender}),
{:ok, :connected} <- GenServer.call(socket, {:connect, url, headers}) do
{:ok, socket}
end
end
@doc """
Closes the socket
"""
def close(socket) do
send(socket, :close)
GenServer.cast(socket, :close)
end
@doc """
Sends a low-level text message to the client.
"""
def send_text(server_pid, msg) do
send(server_pid, {:text, msg})
GenServer.call(server_pid, {:text, msg})
end
@doc false
def init([sender], _conn_state) do
{:ok, %{sender: sender}}
end
def init({sender}) do
state = %__MODULE__{sender: sender}
@doc false
def websocket_handle(frame, _conn_state, state) do
send(state.sender, frame)
{:ok, state}
end
@doc false
def websocket_info({:text, msg}, _conn_state, state) do
{:reply, {:text, msg}, state}
end
def handle_call({:connect, url, headers}, from, state) do
uri = URI.parse(url)
def websocket_info(:close, _conn_state, _state) do
{:close, <<>>, "done"}
http_scheme =
case uri.scheme do
"ws" -> :http
"wss" -> :https
end
ws_scheme =
case uri.scheme do
"ws" -> :ws
"wss" -> :wss
end
path =
case uri.query do
nil -> uri.path
query -> uri.path <> "?" <> query
end
with {:ok, conn} <- Mint.HTTP.connect(http_scheme, uri.host, uri.port),
{:ok, conn, ref} <- Mint.WebSocket.upgrade(ws_scheme, conn, path, headers) do
state = %{state | conn: conn, request_ref: ref, caller: from}
{:noreply, state}
else
{:error, reason} ->
{:reply, {:error, reason}, state}
{:error, conn, reason} ->
{:reply, {:error, reason}, put_in(state.conn, conn)}
end
end
@doc false
def websocket_terminate(_reason, _conn_state, _state) do
:ok
def handle_info(message, state) do
case Mint.WebSocket.stream(state.conn, message) do
{:ok, conn, responses} ->
state = put_in(state.conn, conn) |> handle_responses(responses)
if state.closing?, do: do_close(state), else: {:noreply, state}
{:error, conn, reason, _responses} ->
state = put_in(state.conn, conn) |> reply({:error, reason})
{:noreply, state}
:unknown ->
{:noreply, state}
end
end
defp do_close(state) do
# Streaming a close frame may fail if the server has already closed
# for writing.
_ = stream_frame(state, :close)
Mint.HTTP.close(state.conn)
{:stop, :normal, state}
end
defp handle_responses(state, responses)
defp handle_responses(%{request_ref: ref} = state, [{:status, ref, status} | rest]) do
put_in(state.status, status)
|> handle_responses(rest)
end
defp handle_responses(%{request_ref: ref} = state, [{:headers, ref, resp_headers} | rest]) do
put_in(state.resp_headers, resp_headers)
|> handle_responses(rest)
end
defp handle_responses(%{request_ref: ref} = state, [{:done, ref} | rest]) do
case Mint.WebSocket.new(state.conn, ref, state.status, state.resp_headers) do
{:ok, conn, websocket} ->
%{state | conn: conn, websocket: websocket, status: nil, resp_headers: nil}
|> reply({:ok, :connected})
|> handle_responses(rest)
{:error, conn, reason} ->
put_in(state.conn, conn)
|> reply({:error, reason})
end
end
defp handle_responses(%{request_ref: ref, websocket: websocket} = state, [
{:data, ref, data} | rest
])
when websocket != nil do
case Mint.WebSocket.decode(websocket, data) do
{:ok, websocket, frames} ->
put_in(state.websocket, websocket)
|> handle_frames(frames)
|> handle_responses(rest)
{:error, websocket, reason} ->
put_in(state.websocket, websocket)
|> reply({:error, reason})
end
end
defp handle_responses(state, [_response | rest]) do
handle_responses(state, rest)
end
defp handle_responses(state, []), do: state
defp handle_frames(state, frames) do
{frames, state} =
Enum.flat_map_reduce(frames, state, fn
# prepare to close the connection when a close frame is received
{:close, _code, _data}, state ->
{[], put_in(state.closing?, true)}
frame, state ->
{[frame], state}
end)
Enum.each(frames, &Kernel.send(state.sender, &1))
state
end
defp reply(state, response) do
if state.caller, do: GenServer.reply(state.caller, response)
put_in(state.caller, nil)
end
# Encodes a frame as a binary and sends it along the wire, keeping `conn`
# and `websocket` up to date in `state`.
defp stream_frame(state, frame) do
with {:ok, websocket, data} <- Mint.WebSocket.encode(state.websocket, frame),
state = put_in(state.websocket, websocket),
{:ok, conn} <- Mint.WebSocket.stream_request_body(state.conn, state.request_ref, data) do
{:ok, put_in(state.conn, conn)}
else
{:error, %Mint.WebSocket{} = websocket, reason} ->
{:error, put_in(state.websocket, websocket), reason}
{:error, conn, reason} ->
{:error, put_in(state.conn, conn), reason}
end
end
end