Disconnect streaming sessions when token is revoked

Use Websockex to replace websocket_client

Test that server will disconnect websocket upon token revocation

Lint

Execute session disconnect in background

Refactor streamer test

allow multi-streams

rebase websocket change
pull/192/head
Tusooa Zhu 1 month ago committed by FloatingGhost
parent 772c209914
commit 95e4018c1a
  1. 3
      lib/pleroma/application.ex
  2. 6
      lib/pleroma/web/mastodon_api/websocket_handler.ex
  3. 14
      lib/pleroma/web/o_auth/token/strategy/revoke.ex
  4. 24
      lib/pleroma/web/streamer.ex
  5. 2
      mix.exs
  6. 2
      mix.lock
  7. 37
      test/pleroma/integration/mastodon_websocket_test.exs
  8. 101
      test/pleroma/web/streamer_test.exs
  9. 32
      test/support/websocket_client.ex

@ -63,7 +63,8 @@ defmodule Pleroma.Application do
Pleroma.Repo,
Config.TransferTask,
Pleroma.Emoji,
Pleroma.Web.Plugs.RateLimiter.Supervisor
Pleroma.Web.Plugs.RateLimiter.Supervisor,
{Task.Supervisor, name: Pleroma.TaskSupervisor}
] ++
cachex_children() ++
http_children() ++

@ -59,7 +59,7 @@ defmodule Pleroma.Web.MastodonAPI.WebsocketHandler do
"#{__MODULE__} accepted websocket connection for user #{(state.user || %{id: "anonymous"}).id}, topic #{state.topic}"
)
Streamer.add_socket(state.topic, state.user)
Streamer.add_socket(state.topic, state.oauth_token)
{:ok, %{state | timer: timer()}}
end
@ -139,6 +139,10 @@ defmodule Pleroma.Web.MastodonAPI.WebsocketHandler do
{:reply, :ping, %{state | timer: nil, count: 0}, :hibernate}
end
def websocket_info(:close, state) do
{:stop, state}
end
# State can be `[]` only in case we terminate before switching to websocket,
# we already log errors for these cases in `init/1`, so just do nothing here
def terminate(_reason, _req, []), do: :ok

@ -21,6 +21,18 @@ defmodule Pleroma.Web.OAuth.Token.Strategy.Revoke do
@doc "Revokes access token"
@spec revoke(Token.t()) :: {:ok, Token.t()} | {:error, Ecto.Changeset.t()}
def revoke(%Token{} = token) do
Repo.delete(token)
with {:ok, token} <- Repo.delete(token) do
Task.Supervisor.start_child(
Pleroma.TaskSupervisor,
Pleroma.Web.Streamer,
:close_streams_by_oauth_token,
[token],
restart: :transient
)
{:ok, token}
else
result -> result
end
end
end

@ -36,7 +36,7 @@ defmodule Pleroma.Web.Streamer do
{:ok, topic :: String.t()} | {:error, :bad_topic} | {:error, :unauthorized}
def get_topic_and_add_socket(stream, user, oauth_token, params \\ %{}) do
with {:ok, topic} <- get_topic(stream, user, oauth_token, params) do
add_socket(topic, user)
add_socket(topic, oauth_token)
end
end
@ -124,10 +124,10 @@ defmodule Pleroma.Web.Streamer do
end
@doc "Registers the process for streaming. Use `get_topic/3` to get the full authorized topic."
def add_socket(topic, user) do
def add_socket(topic, oauth_token) do
if should_env_send?() do
auth? = if user, do: true
Registry.register(@registry, topic, auth?)
oauth_token_id = if oauth_token, do: oauth_token.id, else: false
Registry.register(@registry, topic, oauth_token_id)
end
{:ok, topic}
@ -311,6 +311,22 @@ defmodule Pleroma.Web.Streamer do
end
end
def close_streams_by_oauth_token(oauth_token) do
if should_env_send?() do
Registry.select(
@registry,
[
{
{:"$1", :"$2", :"$3"},
[{:==, :"$3", oauth_token.id}],
[:"$2"]
}
]
)
|> Enum.each(fn pid -> send(pid, :close) end)
end
end
# In test environement, only return true if the registry is started.
# In benchmark environment, returns false.
# In any other environment, always returns true.

@ -206,7 +206,7 @@ defmodule Pleroma.Mixfile do
# temporary downgrade for excoveralls, hackney until hackney max_connections bug will be fixed
{:excoveralls, "0.12.3", only: :test},
{:mox, "~> 1.0", only: :test},
{:websocket_client, git: "https://github.com/jeremyong/websocket_client.git", only: :test}
{:websockex, "~> 0.4.3", only: :test}
] ++ oauth_deps()
end

@ -120,5 +120,5 @@
"unsafe": {:hex, :unsafe, "1.0.1", "a27e1874f72ee49312e0a9ec2e0b27924214a05e3ddac90e91727bc76f8613d8", [:mix], [], "hexpm", "6c7729a2d214806450d29766abc2afaa7a2cbecf415be64f36a6691afebb50e5"},
"vex": {:hex, :vex, "0.9.0", "613ea5eb3055662e7178b83e25b2df0975f68c3d8bb67c1645f0573e1a78d606", [:mix], [], "hexpm", "c69fff44d5c8aa3f1faee71bba1dcab05dd36364c5a629df8bb11751240c857f"},
"web_push_encryption": {:hex, :web_push_encryption, "0.3.1", "76d0e7375142dfee67391e7690e89f92578889cbcf2879377900b5620ee4708d", [:mix], [{:httpoison, "~> 1.0", [hex: :httpoison, repo: "hexpm", optional: false]}, {:jose, "~> 1.11.1", [hex: :jose, repo: "hexpm", optional: false]}], "hexpm", "4f82b2e57622fb9337559058e8797cb0df7e7c9790793bdc4e40bc895f70e2a2"},
"websocket_client": {:git, "https://github.com/jeremyong/websocket_client.git", "9a6f65d05ebf2725d62fb19262b21f1805a59fbf", []},
"websockex": {:hex, :websockex, "0.4.3", "92b7905769c79c6480c02daacaca2ddd49de936d912976a4d3c923723b647bf0", [:mix], [], "hexpm", "95f2e7072b85a3a4cc385602d42115b73ce0b74a9121d0d6dbbf557645ac53e4"},
}

@ -34,15 +34,20 @@ defmodule Pleroma.Integration.MastodonWebsocketTest do
test "allows multi-streams" do
capture_log(fn ->
assert {:ok, _} = start_socket()
assert {:error, {404, _}} = start_socket("?stream=ncjdk")
assert {:error, %WebSockex.RequestError{code: 404, message: "Not Found"}} =
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, %WebSockex.RequestError{code: 401}} =
start_socket("?stream=user&access_token=aaaaaaaaaaaa")
assert {:error, %WebSockex.RequestError{code: 401}} = start_socket("?stream=user")
Process.sleep(30)
end)
end
@ -91,7 +96,7 @@ defmodule Pleroma.Integration.MastodonWebsocketTest do
{:ok, token} = OAuth.Token.exchange_token(app, auth)
%{user: user, token: token}
%{app: app, user: user, token: token}
end
test "accepts valid tokens", state do
@ -102,7 +107,7 @@ 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, %WebSockex.RequestError{code: 401}} = start_socket("?stream=user")
Process.sleep(30)
end)
end
@ -111,7 +116,9 @@ 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, %WebSockex.RequestError{code: 401}} =
start_socket("?stream=user:notification")
Process.sleep(30)
end)
end
@ -120,11 +127,27 @@ defmodule Pleroma.Integration.MastodonWebsocketTest do
assert {:ok, _} = start_socket("?stream=user", [{"Sec-WebSocket-Protocol", token.token}])
capture_log(fn ->
assert {:error, {401, _}} =
assert {:error, %WebSockex.RequestError{code: 401}} =
start_socket("?stream=user", [{"Sec-WebSocket-Protocol", "I am a friend"}])
Process.sleep(30)
end)
end
test "disconnect when token is revoked", %{app: app, user: user, token: token} do
assert {:ok, _} = start_socket("?stream=user:notification&access_token=#{token.token}")
assert {:ok, _} = start_socket("?stream=user&access_token=#{token.token}")
{:ok, auth} = OAuth.Authorization.create_authorization(app, user)
{:ok, token2} = OAuth.Token.exchange_token(app, auth)
assert {:ok, _} = start_socket("?stream=user&access_token=#{token2.token}")
OAuth.Token.Strategy.Revoke.revoke(token)
assert_receive {:close, _}
assert_receive {:close, _}
refute_receive {:close, _}
end
end
end

@ -760,4 +760,105 @@ defmodule Pleroma.Web.StreamerTest do
assert last_status["id"] == to_string(create_activity.id)
end
end
describe "stop streaming if token got revoked" do
setup do
child_proc = fn start, finalize ->
fn ->
start.()
receive do
{StreamerTest, :ready} ->
assert_receive {:render_with_user, _, "update.json", _, _}
receive do
{StreamerTest, :revoked} -> finalize.()
end
end
end
end
starter = fn user, token ->
fn -> Streamer.get_topic_and_add_socket("user", user, token) end
end
hit = fn -> assert_receive :close end
miss = fn -> refute_receive :close end
send_all = fn tasks, thing -> Enum.each(tasks, &send(&1.pid, thing)) end
%{
child_proc: child_proc,
starter: starter,
hit: hit,
miss: miss,
send_all: send_all
}
end
test "do not revoke other tokens", %{
child_proc: child_proc,
starter: starter,
hit: hit,
miss: miss,
send_all: send_all
} do
%{user: user, token: token} = oauth_access(["read"])
%{token: token2} = oauth_access(["read"], user: user)
%{user: user2, token: user2_token} = oauth_access(["read"])
post_user = insert(:user)
CommonAPI.follow(user, post_user)
CommonAPI.follow(user2, post_user)
tasks = [
Task.async(child_proc.(starter.(user, token), hit)),
Task.async(child_proc.(starter.(user, token2), miss)),
Task.async(child_proc.(starter.(user2, user2_token), miss))
]
{:ok, _} =
CommonAPI.post(post_user, %{
status: "hi"
})
send_all.(tasks, {StreamerTest, :ready})
Pleroma.Web.OAuth.Token.Strategy.Revoke.revoke(token)
send_all.(tasks, {StreamerTest, :revoked})
Enum.each(tasks, &Task.await/1)
end
test "revoke all streams for this token", %{
child_proc: child_proc,
starter: starter,
hit: hit,
send_all: send_all
} do
%{user: user, token: token} = oauth_access(["read"])
post_user = insert(:user)
CommonAPI.follow(user, post_user)
tasks = [
Task.async(child_proc.(starter.(user, token), hit)),
Task.async(child_proc.(starter.(user, token), hit))
]
{:ok, _} =
CommonAPI.post(post_user, %{
status: "hi"
})
send_all.(tasks, {StreamerTest, :ready})
Pleroma.Web.OAuth.Token.Strategy.Revoke.revoke(token)
send_all.(tasks, {StreamerTest, :revoked})
Enum.each(tasks, &Task.await/1)
end
end
end

@ -5,18 +5,17 @@
defmodule Pleroma.Integration.WebsocketClient do
# https://github.com/phoenixframework/phoenix/blob/master/test/support/websocket_client.exs
use WebSockex
@doc """
Starts the WebSocket server for given ws URL. Received Socket.Message's
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),
WebSockex.start_link(
url,
__MODULE__,
[sender],
%{sender: sender},
extra_headers: headers
)
end
@ -36,27 +35,32 @@ defmodule Pleroma.Integration.WebsocketClient do
end
@doc false
def init([sender], _conn_state) do
{:ok, %{sender: sender}}
@impl true
def handle_frame(frame, state) do
send(state.sender, frame)
{:ok, state}
end
@doc false
def websocket_handle(frame, _conn_state, state) do
send(state.sender, frame)
@impl true
def handle_disconnect(conn_status, state) do
send(state.sender, {:close, conn_status})
{:ok, state}
end
@doc false
def websocket_info({:text, msg}, _conn_state, state) do
@impl true
def handle_info({:text, msg}, state) do
{:reply, {:text, msg}, state}
end
def websocket_info(:close, _conn_state, _state) do
@impl true
def handle_info(:close, _state) do
{:close, <<>>, "done"}
end
@doc false
def websocket_terminate(_reason, _conn_state, _state) do
@impl true
def terminate(_reason, _state) do
:ok
end
end

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