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Expand and authorize streams in Streamer directly

This commit is contained in:
href 2020-05-12 18:04:47 +02:00
parent fdc9ac8897
commit e6d8cacf2d
5 changed files with 179 additions and 103 deletions
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69
lib/pleroma/web/mastodon_api/websocket_handler.ex
View File

@ -19,26 +19,12 @@ defmodule Pleroma.Web.MastodonAPI.WebsocketHandler do
# Hibernate every X messages
@hibernate_every 100
@streams [
"public",
"public:local",
"public:media",
"public:local:media",
"user",
"user:notification",
"direct",
"list",
"hashtag"
]
@anonymous_streams ["public", "public:local", "hashtag"]
def init(%{qs: qs} = req, state) do
with params <- :cow_qs.parse_qs(qs),
with params <- Enum.into(:cow_qs.parse_qs(qs), %{}),
sec_websocket <- :cowboy_req.header("sec-websocket-protocol", req, nil),
access_token <- List.keyfind(params, "access_token", 0),
{_, stream} <- List.keyfind(params, "stream", 0),
{:ok, user} <- allow_request(stream, [access_token, sec_websocket]),
topic when is_binary(topic) <- expand_topic(stream, params) do
access_token <- Map.get(params, "access_token"),
{:ok, user} <- authenticate_request(access_token, sec_websocket),
{:ok, topic} <- Streamer.get_topic(Map.get(params, "stream"), user, params) do
req =
if sec_websocket do
:cowboy_req.set_resp_header("sec-websocket-protocol", sec_websocket, req)
@ -49,14 +35,14 @@ def init(%{qs: qs} = req, state) do
{:cowboy_websocket, req, %{user: user, topic: topic, count: 0, timer: nil},
%{idle_timeout: @timeout}}
else
{:error, code} ->
Logger.debug("#{__MODULE__} denied connection: #{inspect(code)} - #{inspect(req)}")
{:ok, req} = :cowboy_req.reply(code, req)
{:error, :bad_topic} ->
Logger.debug("#{__MODULE__} bad topic #{inspect(req)}")
{:ok, req} = :cowboy_req.reply(404, req)
{:ok, req, state}
error ->
Logger.debug("#{__MODULE__} denied connection: #{inspect(error)} - #{inspect(req)}")
{:ok, req} = :cowboy_req.reply(400, req)
{:error, :unauthorized} ->
Logger.debug("#{__MODULE__} authentication error: #{inspect(req)}")
{:ok, req} = :cowboy_req.reply(401, req)
{:ok, req, state}
end
end
@ -124,50 +110,23 @@ def terminate(reason, _req, state) do
end
# Public streams without authentication.
defp allow_request(stream, [nil, nil]) when stream in @anonymous_streams do
defp authenticate_request(nil, nil) do
{:ok, nil}
end
# Authenticated streams.
defp allow_request(stream, [access_token, sec_websocket]) when stream in @streams do
token =
with {"access_token", token} <- access_token do
token
else
_ -> sec_websocket
end
defp authenticate_request(access_token, sec_websocket) do
token = access_token || sec_websocket
with true <- is_bitstring(token),
%Token{user_id: user_id} <- Repo.get_by(Token, token: token),
user = %User{} <- User.get_cached_by_id(user_id) do
{:ok, user}
else
_ -> {:error, 403}
_ -> {:error, :unauthorized}
end
end
# Not authenticated.
defp allow_request(stream, _) when stream in @streams, do: {:error, 403}
# No matching stream.
defp allow_request(_, _), do: {:error, 404}
defp expand_topic("hashtag", params) do
case List.keyfind(params, "tag", 0) do
{_, tag} -> "hashtag:#{tag}"
_ -> nil
end
end
defp expand_topic("list", params) do
case List.keyfind(params, "list", 0) do
{_, list} -> "list:#{list}"
_ -> nil
end
end
defp expand_topic(topic, _), do: topic
defp timer do
Process.send_after(self(), :tick, @tick)
end

73
lib/pleroma/web/streamer/streamer.ex
View File

@ -21,12 +21,68 @@ defmodule Pleroma.Web.Streamer do
def registry, do: @registry
def add_socket(topic, %User{} = user) do
if should_env_send?(), do: Registry.register(@registry, user_topic(topic, user), true)
@public_streams ["public", "public:local", "public:media", "public:local:media"]
@user_streams ["user", "user:notification", "direct"]
@doc "Expands and authorizes a stream, and registers the process for streaming."
@spec get_topic_and_add_socket(stream :: String.t(), User.t() | nil, Map.t() | nil) ::
{:ok, topic :: String.t()} | {:error, :bad_topic} | {:error, :unauthorized}
def get_topic_and_add_socket(stream, user, params \\ %{}) do
case get_topic(stream, user, params) do
{:ok, topic} -> add_socket(topic, user)
error -> error
end
end
def add_socket(topic, _) do
if should_env_send?(), do: Registry.register(@registry, topic, false)
@doc "Expand and authorizes a stream"
@spec get_topic(stream :: String.t(), User.t() | nil, Map.t()) ::
{:ok, topic :: String.t()} | {:error, :bad_topic}
def get_topic(stream, user, params \\ %{})
# Allow all public steams.
def get_topic(stream, _, _) when stream in @public_streams do
{:ok, stream}
end
# Allow all hashtags streams.
def get_topic("hashtag", _, %{"tag" => tag}) do
{:ok, "hashtag:" <> tag}
end
# Expand user streams.
def get_topic(stream, %User{} = user, _) when stream in @user_streams do
{:ok, stream <> ":" <> to_string(user.id)}
end
def get_topic(stream, _, _) when stream in @user_streams do
{:error, :unauthorized}
end
# List streams.
def get_topic("list", %User{} = user, %{"list" => id}) do
if Pleroma.List.get(id, user) do
{:ok, "list:" <> to_string(id)}
else
{:error, :bad_topic}
end
end
def get_topic("list", _, _) do
{:error, :unauthorized}
end
def get_topic(_, _, _) do
{:error, :bad_topic}
end
@doc "Registers the process for streaming. Use `get_topic/3` to get the full authorized topic."
def add_socket(topic, user) do
if should_env_send?() do
auth? = if user, do: true
Registry.register(@registry, topic, auth?)
end
{:ok, topic}
end
def remove_socket(topic) do
@ -231,13 +287,4 @@ def should_env_send?, do: false
true ->
def should_env_send?, do: true
end
defp user_topic(topic, user)
when topic in ~w[user user:notification direct] do
"#{topic}:#{user.id}"
end
defp user_topic(topic, _) do
topic
end
end

12
test/integration/mastodon_websocket_test.exs
View File

@ -32,7 +32,7 @@ def start_socket(qs \\ nil, headers \\ []) do
test "refuses invalid requests" do
capture_log(fn ->
assert {:error, {400, _}} = start_socket()
assert {:error, {404, _}} = start_socket()
assert {:error, {404, _}} = start_socket("?stream=ncjdk")
Process.sleep(30)
end)
@ -40,8 +40,8 @@ test "refuses invalid requests" do
test "requires authentication and a valid token for protected streams" do
capture_log(fn ->
assert {:error, {403, _}} = start_socket("?stream=user&access_token=aaaaaaaaaaaa")
assert {:error, {403, _}} = start_socket("?stream=user")
assert {:error, {401, _}} = start_socket("?stream=user&access_token=aaaaaaaaaaaa")
assert {:error, {401, _}} = start_socket("?stream=user")
Process.sleep(30)
end)
end
@ -100,7 +100,7 @@ test "accepts the 'user' stream", %{token: token} = _state do
assert {:ok, _} = start_socket("?stream=user&access_token=#{token.token}")
assert capture_log(fn ->
assert {:error, {403, "Forbidden"}} = start_socket("?stream=user")
assert {:error, {401, _}} = start_socket("?stream=user")
Process.sleep(30)
end) =~ ":badarg"
end
@ -109,7 +109,7 @@ test "accepts the 'user:notification' stream", %{token: token} = _state do
assert {:ok, _} = start_socket("?stream=user:notification&access_token=#{token.token}")
assert capture_log(fn ->
assert {:error, {403, "Forbidden"}} = start_socket("?stream=user:notification")
assert {:error, {401, _}} = start_socket("?stream=user:notification")
Process.sleep(30)
end) =~ ":badarg"
end
@ -118,7 +118,7 @@ test "accepts valid token on Sec-WebSocket-Protocol header", %{token: token} do
assert {:ok, _} = start_socket("?stream=user", [{"Sec-WebSocket-Protocol", token.token}])
assert capture_log(fn ->
assert {:error, {403, "Forbidden"}} =
assert {:error, {401, "Forbidden"}} =
start_socket("?stream=user", [{"Sec-WebSocket-Protocol", "I am a friend"}])
Process.sleep(30)

4
test/notification_test.exs
View File

@ -170,13 +170,13 @@ test "it creates a notification for user and send to the 'user' and the 'user:no
task =
Task.async(fn ->
Streamer.add_socket("user", user)
Streamer.get_topic_and_add_socket("user", user)
assert_receive {:render_with_user, _, _, _}, 4_000
end)
task_user_notification =
Task.async(fn ->
Streamer.add_socket("user:notification", user)
Streamer.get_topic_and_add_socket("user:notification", user)
assert_receive {:render_with_user, _, _, _}, 4_000
end)

124
test/web/streamer/streamer_test.exs
View File

@ -17,6 +17,76 @@ defmodule Pleroma.Web.StreamerTest do
setup do: clear_config([:instance, :skip_thread_containment])
describe "get_topic without an user" do
test "allows public" do
assert {:ok, "public"} = Streamer.get_topic("public", nil)
assert {:ok, "public:local"} = Streamer.get_topic("public:local", nil)
assert {:ok, "public:media"} = Streamer.get_topic("public:media", nil)
assert {:ok, "public:local:media"} = Streamer.get_topic("public:local:media", nil)
end
test "allows hashtag streams" do
assert {:ok, "hashtag:cofe"} = Streamer.get_topic("hashtag", nil, %{"tag" => "cofe"})
end
test "disallows user streams" do
assert {:error, _} = Streamer.get_topic("user", nil)
assert {:error, _} = Streamer.get_topic("user:notification", nil)
assert {:error, _} = Streamer.get_topic("direct", nil)
end
test "disallows list streams" do
assert {:error, _} = Streamer.get_topic("list", nil, %{"list" => 42})
end
end
describe "get_topic with an user" do
setup do
user = insert(:user)
{:ok, %{user: user}}
end
test "allows public streams", %{user: user} do
assert {:ok, "public"} = Streamer.get_topic("public", user)
assert {:ok, "public:local"} = Streamer.get_topic("public:local", user)
assert {:ok, "public:media"} = Streamer.get_topic("public:media", user)
assert {:ok, "public:local:media"} = Streamer.get_topic("public:local:media", user)
end
test "allows user streams", %{user: user} do
expected_user_topic = "user:#{user.id}"
expected_notif_topic = "user:notification:#{user.id}"
expected_direct_topic = "direct:#{user.id}"
assert {:ok, ^expected_user_topic} = Streamer.get_topic("user", user)
assert {:ok, ^expected_notif_topic} = Streamer.get_topic("user:notification", user)
assert {:ok, ^expected_direct_topic} = Streamer.get_topic("direct", user)
end
test "allows hashtag streams", %{user: user} do
assert {:ok, "hashtag:cofe"} = Streamer.get_topic("hashtag", user, %{"tag" => "cofe"})
end
test "disallows registering to an user stream", %{user: user} do
another_user = insert(:user)
assert {:error, _} = Streamer.get_topic("user:#{another_user.id}", user)
assert {:error, _} = Streamer.get_topic("user:notification:#{another_user.id}", user)
assert {:error, _} = Streamer.get_topic("direct:#{another_user.id}", user)
end
test "allows list stream that are owned by the user", %{user: user} do
{:ok, list} = List.create("Test", user)
assert {:error, _} = Streamer.get_topic("list:#{list.id}", user)
assert {:ok, _} = Streamer.get_topic("list", user, %{"list" => list.id})
end
test "disallows list stream that are not owned by the user", %{user: user} do
another_user = insert(:user)
{:ok, list} = List.create("Test", another_user)
assert {:error, _} = Streamer.get_topic("list:#{list.id}", user)
assert {:error, _} = Streamer.get_topic("list", user, %{"list" => list.id})
end
end
describe "user streams" do
setup do
user = insert(:user)
@ -25,14 +95,14 @@ defmodule Pleroma.Web.StreamerTest do
end
test "it streams the user's post in the 'user' stream", %{user: user} do
Streamer.add_socket("user", user)
Streamer.get_topic_and_add_socket("user", user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
assert_receive {:render_with_user, _, _, ^activity}
refute Streamer.filtered_by_user?(user, activity)
end
test "it streams boosts of the user in the 'user' stream", %{user: user} do
Streamer.add_socket("user", user)
Streamer.get_topic_and_add_socket("user", user)
other_user = insert(:user)
{:ok, activity} = CommonAPI.post(other_user, %{"status" => "hey"})
@ -43,14 +113,14 @@ test "it streams boosts of the user in the 'user' stream", %{user: user} do
end
test "it sends notify to in the 'user' stream", %{user: user, notify: notify} do
Streamer.add_socket("user", user)
Streamer.get_topic_and_add_socket("user", user)
Streamer.stream("user", notify)
assert_receive {:render_with_user, _, _, ^notify}
refute Streamer.filtered_by_user?(user, notify)
end
test "it sends notify to in the 'user:notification' stream", %{user: user, notify: notify} do
Streamer.add_socket("user:notification", user)
Streamer.get_topic_and_add_socket("user:notification", user)
Streamer.stream("user:notification", notify)
assert_receive {:render_with_user, _, _, ^notify}
refute Streamer.filtered_by_user?(user, notify)
@ -62,7 +132,7 @@ test "it doesn't send notify to the 'user:notification' stream when a user is bl
blocked = insert(:user)
{:ok, _user_relationship} = User.block(user, blocked)
Streamer.add_socket("user:notification", user)
Streamer.get_topic_and_add_socket("user:notification", user)
{:ok, activity} = CommonAPI.post(user, %{"status" => ":("})
{:ok, _} = CommonAPI.favorite(blocked, activity.id)
@ -78,7 +148,7 @@ test "it doesn't send notify to the 'user:notification' stream when a thread is
{:ok, activity} = CommonAPI.post(user, %{"status" => "super hot take"})
{:ok, _} = CommonAPI.add_mute(user, activity)
Streamer.add_socket("user:notification", user)
Streamer.get_topic_and_add_socket("user:notification", user)
{:ok, favorite_activity} = CommonAPI.favorite(user2, activity.id)
@ -92,7 +162,7 @@ test "it sends favorite to 'user:notification' stream'", %{
user2 = insert(:user, %{ap_id: "https://hecking-lewd-place.com/user/meanie"})
{:ok, activity} = CommonAPI.post(user, %{"status" => "super hot take"})
Streamer.add_socket("user:notification", user)
Streamer.get_topic_and_add_socket("user:notification", user)
{:ok, favorite_activity} = CommonAPI.favorite(user2, activity.id)
assert_receive {:render_with_user, _, "notification.json", notif}
@ -107,7 +177,7 @@ test "it doesn't send the 'user:notification' stream' when a domain is blocked",
{:ok, user} = User.block_domain(user, "hecking-lewd-place.com")
{:ok, activity} = CommonAPI.post(user, %{"status" => "super hot take"})
Streamer.add_socket("user:notification", user)
Streamer.get_topic_and_add_socket("user:notification", user)
{:ok, favorite_activity} = CommonAPI.favorite(user2, activity.id)
refute_receive _
@ -130,7 +200,7 @@ test "it sends follow activities to the 'user:notification' stream", %{
%Tesla.Env{status: 200, body: body}
end)
Streamer.add_socket("user:notification", user)
Streamer.get_topic_and_add_socket("user:notification", user)
{:ok, _follower, _followed, follow_activity} = CommonAPI.follow(user2, user)
assert_receive {:render_with_user, _, "notification.json", notif}
@ -143,7 +213,7 @@ test "it sends to public authenticated" do
user = insert(:user)
other_user = insert(:user)
Streamer.add_socket("public", other_user)
Streamer.get_topic_and_add_socket("public", other_user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "Test"})
assert_receive {:render_with_user, _, _, ^activity}
@ -155,7 +225,7 @@ test "works for deletions" do
other_user = insert(:user)
{:ok, activity} = CommonAPI.post(other_user, %{"status" => "Test"})
Streamer.add_socket("public", user)
Streamer.get_topic_and_add_socket("public", user)
{:ok, _} = CommonAPI.delete(activity.id, other_user)
activity_id = activity.id
@ -166,7 +236,7 @@ test "works for deletions" do
test "it sends to public unauthenticated" do
user = insert(:user)
Streamer.add_socket("public", nil)
Streamer.get_topic_and_add_socket("public", nil)
{:ok, activity} = CommonAPI.post(user, %{"status" => "Test"})
activity_id = activity.id
@ -195,7 +265,7 @@ test "it filters to user if recipients invalid and thread containment is enabled
)
)
Streamer.add_socket("public", user)
Streamer.get_topic_and_add_socket("public", user)
Streamer.stream("public", activity)
assert_receive {:render_with_user, _, _, ^activity}
assert Streamer.filtered_by_user?(user, activity)
@ -216,7 +286,7 @@ test "it sends message if recipients invalid and thread containment is disabled"
)
)
Streamer.add_socket("public", user)
Streamer.get_topic_and_add_socket("public", user)
Streamer.stream("public", activity)
assert_receive {:render_with_user, _, _, ^activity}
@ -238,7 +308,7 @@ test "it sends message if recipients invalid and thread containment is enabled b
)
)
Streamer.add_socket("public", user)
Streamer.get_topic_and_add_socket("public", user)
Streamer.stream("public", activity)
assert_receive {:render_with_user, _, _, ^activity}
@ -252,7 +322,7 @@ test "it filters messages involving blocked users" do
blocked_user = insert(:user)
{:ok, _user_relationship} = User.block(user, blocked_user)
Streamer.add_socket("public", user)
Streamer.get_topic_and_add_socket("public", user)
{:ok, activity} = CommonAPI.post(blocked_user, %{"status" => "Test"})
assert_receive {:render_with_user, _, _, ^activity}
assert Streamer.filtered_by_user?(user, activity)
@ -263,7 +333,7 @@ test "it filters messages transitively involving blocked users" do
blockee = insert(:user)
friend = insert(:user)
Streamer.add_socket("public", blocker)
Streamer.get_topic_and_add_socket("public", blocker)
{:ok, _user_relationship} = User.block(blocker, blockee)
@ -295,7 +365,7 @@ test "it doesn't send unwanted DMs to list" do
{:ok, list} = List.create("Test", user_a)
{:ok, list} = List.follow(list, user_b)
Streamer.add_socket("list:#{list.id}", user_a)
Streamer.get_topic_and_add_socket("list", user_a, %{"list" => list.id})
{:ok, _activity} =
CommonAPI.post(user_b, %{
@ -313,7 +383,7 @@ test "it doesn't send unwanted private posts to list" do
{:ok, list} = List.create("Test", user_a)
{:ok, list} = List.follow(list, user_b)
Streamer.add_socket("list:#{list.id}", user_a)
Streamer.get_topic_and_add_socket("list", user_a, %{"list" => list.id})
{:ok, _activity} =
CommonAPI.post(user_b, %{
@ -333,7 +403,7 @@ test "it sends wanted private posts to list" do
{:ok, list} = List.create("Test", user_a)
{:ok, list} = List.follow(list, user_b)
Streamer.add_socket("list:#{list.id}", user_a)
Streamer.get_topic_and_add_socket("list", user_a, %{"list" => list.id})
{:ok, activity} =
CommonAPI.post(user_b, %{
@ -356,7 +426,7 @@ test "it filters muted reblogs" do
{:ok, create_activity} = CommonAPI.post(user3, %{"status" => "I'm kawen"})
Streamer.add_socket("user", user1)
Streamer.get_topic_and_add_socket("user", user1)
{:ok, announce_activity, _} = CommonAPI.repeat(create_activity.id, user2)
assert_receive {:render_with_user, _, _, ^announce_activity}
assert Streamer.filtered_by_user?(user1, announce_activity)
@ -369,7 +439,7 @@ test "it filters reblog notification for reblog-muted actors" do
CommonAPI.hide_reblogs(user1, user2)
{:ok, create_activity} = CommonAPI.post(user1, %{"status" => "I'm kawen"})
Streamer.add_socket("user", user1)
Streamer.get_topic_and_add_socket("user", user1)
{:ok, _favorite_activity, _} = CommonAPI.repeat(create_activity.id, user2)
assert_receive {:render_with_user, _, "notification.json", notif}
@ -383,7 +453,7 @@ test "it send non-reblog notification for reblog-muted actors" do
CommonAPI.hide_reblogs(user1, user2)
{:ok, create_activity} = CommonAPI.post(user1, %{"status" => "I'm kawen"})
Streamer.add_socket("user", user1)
Streamer.get_topic_and_add_socket("user", user1)
{:ok, _favorite_activity} = CommonAPI.favorite(user2, create_activity.id)
assert_receive {:render_with_user, _, "notification.json", notif}
@ -394,7 +464,7 @@ test "it send non-reblog notification for reblog-muted actors" do
test "it filters posts from muted threads" do
user = insert(:user)
user2 = insert(:user)
Streamer.add_socket("user", user2)
Streamer.get_topic_and_add_socket("user", user2)
{:ok, user2, user, _activity} = CommonAPI.follow(user2, user)
{:ok, activity} = CommonAPI.post(user, %{"status" => "super hot take"})
{:ok, _} = CommonAPI.add_mute(user2, activity)
@ -411,7 +481,7 @@ test "it sends conversation update to the 'direct' stream", %{} do
user = insert(:user)
another_user = insert(:user)
Streamer.add_socket("direct", user)
Streamer.get_topic_and_add_socket("direct", user)
{:ok, _create_activity} =
CommonAPI.post(another_user, %{
@ -433,7 +503,7 @@ test "it doesn't send conversation update to the 'direct' stream when the last m
user = insert(:user)
another_user = insert(:user)
Streamer.add_socket("direct", user)
Streamer.get_topic_and_add_socket("direct", user)
{:ok, create_activity} =
CommonAPI.post(another_user, %{
@ -459,7 +529,7 @@ test "it doesn't send conversation update to the 'direct' stream when the last m
test "it sends conversation update to the 'direct' stream when a message is deleted" do
user = insert(:user)
another_user = insert(:user)
Streamer.add_socket("direct", user)
Streamer.get_topic_and_add_socket("direct", user)
{:ok, create_activity} =
CommonAPI.post(another_user, %{