require Logger
alias Pleroma.Activity
+ alias Pleroma.Chat.MessageReference
alias Pleroma.Config
alias Pleroma.Conversation.Participation
alias Pleroma.Notification
alias Pleroma.Object
+ alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.CommonAPI
+ alias Pleroma.Web.OAuth.Token
alias Pleroma.Web.StreamerView
@mix_env Mix.env()
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", "user:pleroma_chat"]
+
+ @doc "Expands and authorizes a stream, and registers the process for streaming."
+ @spec get_topic_and_add_socket(
+ stream :: String.t(),
+ User.t() | nil,
+ Token.t() | nil,
+ Map.t() | nil
+ ) ::
+ {:ok, topic :: String.t()} | {:error, :bad_topic} | {:error, :unauthorized}
+ def get_topic_and_add_socket(stream, user, oauth_token, params \\ %{}) do
+ case get_topic(stream, user, oauth_token, 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, Token.t() | nil, Map.t()) ::
+ {:ok, topic :: String.t()} | {:error, :bad_topic}
+ def get_topic(stream, user, oauth_token, params \\ %{})
+
+ # Allow all public steams.
+ def get_topic(stream, _user, _oauth_token, _params) when stream in @public_streams do
+ {:ok, stream}
end
- def remove_socket(topic) do
- if should_env_send?(), do: Registry.unregister(@registry, topic)
+ # Allow all hashtags streams.
+ def get_topic("hashtag", _user, _oauth_token, %{"tag" => tag} = _params) do
+ {:ok, "hashtag:" <> tag}
end
- def stream(topics, item) when is_list(topics) do
- if should_env_send?() do
- Enum.each(topics, fn t ->
- spawn(fn -> do_stream(t, item) end)
- end)
+ # Expand user streams.
+ def get_topic(
+ stream,
+ %User{id: user_id} = user,
+ %Token{user_id: token_user_id} = oauth_token,
+ _params
+ )
+ when stream in @user_streams and user_id == token_user_id do
+ # Note: "read" works for all user streams (not mentioning it since it's an ancestor scope)
+ required_scopes =
+ if stream == "user:notification" do
+ ["read:notifications"]
+ else
+ ["read:statuses"]
+ end
+
+ if OAuthScopesPlug.filter_descendants(required_scopes, oauth_token.scopes) == [] do
+ {:error, :unauthorized}
+ else
+ {:ok, stream <> ":" <> to_string(user.id)}
+ end
+ end
+
+ def get_topic(stream, _user, _oauth_token, _params) when stream in @user_streams do
+ {:error, :unauthorized}
+ end
+
+ # List streams.
+ def get_topic(
+ "list",
+ %User{id: user_id} = user,
+ %Token{user_id: token_user_id} = oauth_token,
+ %{"list" => id}
+ )
+ when user_id == token_user_id do
+ cond do
+ OAuthScopesPlug.filter_descendants(["read", "read:lists"], oauth_token.scopes) == [] ->
+ {:error, :unauthorized}
+
+ Pleroma.List.get(id, user) ->
+ {:ok, "list:" <> to_string(id)}
+
+ true ->
+ {:error, :bad_topic}
end
+ end
- :ok
+ def get_topic("list", _user, _oauth_token, _params) do
+ {:error, :unauthorized}
end
- def stream(topic, items) when is_list(items) do
- if should_env_send?() do
- Enum.each(items, fn i ->
- spawn(fn -> do_stream(topic, i) end)
- end)
+ def get_topic(_stream, _user, _oauth_token, _params) do
+ {:error, :bad_topic}
+ end
- :ok
+ @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
+ if should_env_send?(), do: Registry.unregister(@registry, topic)
end
- def stream(topic, item) do
+ def stream(topics, items) do
if should_env_send?() do
- spawn(fn -> do_stream(topic, item) end)
+ List.wrap(topics)
+ |> Enum.each(fn topic ->
+ List.wrap(items)
+ |> Enum.each(fn item ->
+ spawn(fn -> do_stream(topic, item) end)
+ end)
+ end)
end
:ok
end
- def filtered_by_user?(%User{} = user, %Activity{} = item) do
+ def filtered_by_user?(user, item, streamed_type \\ :activity)
+
+ def filtered_by_user?(%User{} = user, %Activity{} = item, streamed_type) do
%{block: blocked_ap_ids, mute: muted_ap_ids, reblog_mute: reblog_muted_ap_ids} =
User.outgoing_relationships_ap_ids(user, [:block, :mute, :reblog_mute])
true <-
Enum.all?([blocked_ap_ids, muted_ap_ids], &(item.actor not in &1)),
true <- item.data["type"] != "Announce" || item.actor not in reblog_muted_ap_ids,
+ true <-
+ !(streamed_type == :activity && item.data["type"] == "Announce" &&
+ parent.data["actor"] == user.ap_id),
true <- Enum.all?([blocked_ap_ids, muted_ap_ids], &(parent.data["actor"] not in &1)),
true <- MapSet.disjoint?(recipients, recipient_blocks),
%{host: item_host} <- URI.parse(item.actor),
false <- Pleroma.Web.ActivityPub.MRF.subdomain_match?(domain_blocks, item_host),
false <- Pleroma.Web.ActivityPub.MRF.subdomain_match?(domain_blocks, parent_host),
true <- thread_containment(item, user),
- false <- CommonAPI.thread_muted?(user, item) do
+ false <- CommonAPI.thread_muted?(user, parent) do
false
else
_ -> true
end
end
- def filtered_by_user?(%User{} = user, %Notification{activity: activity}) do
- filtered_by_user?(user, activity)
+ def filtered_by_user?(%User{} = user, %Notification{activity: activity}, _) do
+ filtered_by_user?(user, activity, :notification)
end
defp do_stream("direct", item) do
end)
end
+ defp do_stream(topic, {user, %MessageReference{} = cm_ref})
+ when topic in ["user", "user:pleroma_chat"] do
+ topic = "#{topic}:#{user.id}"
+
+ text = StreamerView.render("chat_update.json", %{chat_message_reference: cm_ref})
+
+ Registry.dispatch(@registry, topic, fn list ->
+ Enum.each(list, fn {pid, _auth} ->
+ send(pid, {:text, text})
+ end)
+ end)
+ end
+
defp do_stream("user", item) do
Logger.debug("Trying to push to users")
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
projects / akkoma / blobdiff