X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fstreamer.ex;h=71fe27c894db72f86641e41d401851c6762b3d68;hb=9c672ecbb5d4477cd16d2139a2cb66d3923ac5c8;hp=a82109f92078947a8c2fc459634dbd1d05deeeda;hpb=256b492a5855c09f45af0325a9e9cd2508c88366;p=akkoma diff --git a/lib/pleroma/web/streamer.ex b/lib/pleroma/web/streamer.ex deleted file mode 100644 index a82109f92..000000000 --- a/lib/pleroma/web/streamer.ex +++ /dev/null @@ -1,253 +0,0 @@ -# Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors -# SPDX-License-Identifier: AGPL-3.0-only - -defmodule Pleroma.Web.Streamer do - use GenServer - require Logger - alias Pleroma.Activity - alias Pleroma.Notification - alias Pleroma.Object - alias Pleroma.User - alias Pleroma.Web.ActivityPub.ActivityPub - alias Pleroma.Web.ActivityPub.Visibility - alias Pleroma.Web.MastodonAPI.NotificationView - - @keepalive_interval :timer.seconds(30) - - def start_link do - GenServer.start_link(__MODULE__, %{}, name: __MODULE__) - end - - def add_socket(topic, socket) do - GenServer.cast(__MODULE__, %{action: :add, socket: socket, topic: topic}) - end - - def remove_socket(topic, socket) do - GenServer.cast(__MODULE__, %{action: :remove, socket: socket, topic: topic}) - end - - def stream(topic, item) do - GenServer.cast(__MODULE__, %{action: :stream, topic: topic, item: item}) - end - - def init(args) do - spawn(fn -> - # 30 seconds - Process.sleep(@keepalive_interval) - GenServer.cast(__MODULE__, %{action: :ping}) - end) - - {:ok, args} - end - - def handle_cast(%{action: :ping}, topics) do - Map.values(topics) - |> List.flatten() - |> Enum.each(fn socket -> - Logger.debug("Sending keepalive ping") - send(socket.transport_pid, {:text, ""}) - end) - - spawn(fn -> - # 30 seconds - Process.sleep(@keepalive_interval) - GenServer.cast(__MODULE__, %{action: :ping}) - end) - - {:noreply, topics} - end - - def handle_cast(%{action: :stream, topic: "direct", item: item}, topics) do - recipient_topics = - User.get_recipients_from_activity(item) - |> Enum.map(fn %{id: id} -> "direct:#{id}" end) - - Enum.each(recipient_topics || [], fn user_topic -> - Logger.debug("Trying to push direct message to #{user_topic}\n\n") - push_to_socket(topics, user_topic, item) - end) - - {:noreply, topics} - end - - def handle_cast(%{action: :stream, topic: "list", item: item}, topics) do - # filter the recipient list if the activity is not public, see #270. - recipient_lists = - case Visibility.is_public?(item) do - true -> - Pleroma.List.get_lists_from_activity(item) - - _ -> - Pleroma.List.get_lists_from_activity(item) - |> Enum.filter(fn list -> - owner = User.get_by_id(list.user_id) - - Visibility.visible_for_user?(item, owner) - end) - end - - recipient_topics = - recipient_lists - |> Enum.map(fn %{id: id} -> "list:#{id}" end) - - Enum.each(recipient_topics || [], fn list_topic -> - Logger.debug("Trying to push message to #{list_topic}\n\n") - push_to_socket(topics, list_topic, item) - end) - - {:noreply, topics} - end - - def handle_cast(%{action: :stream, topic: "user", item: %Notification{} = item}, topics) do - topic = "user:#{item.user_id}" - - Enum.each(topics[topic] || [], fn socket -> - json = - %{ - event: "notification", - payload: - NotificationView.render("show.json", %{ - notification: item, - for: socket.assigns["user"] - }) - |> Jason.encode!() - } - |> Jason.encode!() - - send(socket.transport_pid, {:text, json}) - end) - - {:noreply, topics} - end - - def handle_cast(%{action: :stream, topic: "user", item: item}, topics) do - Logger.debug("Trying to push to users") - - recipient_topics = - User.get_recipients_from_activity(item) - |> Enum.map(fn %{id: id} -> "user:#{id}" end) - - Enum.each(recipient_topics, fn topic -> - push_to_socket(topics, topic, item) - end) - - {:noreply, topics} - end - - def handle_cast(%{action: :stream, topic: topic, item: item}, topics) do - Logger.debug("Trying to push to #{topic}") - Logger.debug("Pushing item to #{topic}") - push_to_socket(topics, topic, item) - {:noreply, topics} - end - - def handle_cast(%{action: :add, topic: topic, socket: socket}, sockets) do - topic = internal_topic(topic, socket) - sockets_for_topic = sockets[topic] || [] - sockets_for_topic = Enum.uniq([socket | sockets_for_topic]) - sockets = Map.put(sockets, topic, sockets_for_topic) - Logger.debug("Got new conn for #{topic}") - {:noreply, sockets} - end - - def handle_cast(%{action: :remove, topic: topic, socket: socket}, sockets) do - topic = internal_topic(topic, socket) - sockets_for_topic = sockets[topic] || [] - sockets_for_topic = List.delete(sockets_for_topic, socket) - sockets = Map.put(sockets, topic, sockets_for_topic) - Logger.debug("Removed conn for #{topic}") - {:noreply, sockets} - end - - def handle_cast(m, state) do - Logger.info("Unknown: #{inspect(m)}, #{inspect(state)}") - {:noreply, state} - end - - defp represent_update(%Activity{} = activity, %User{} = user) do - %{ - event: "update", - payload: - Pleroma.Web.MastodonAPI.StatusView.render( - "status.json", - activity: activity, - for: user - ) - |> Jason.encode!() - } - |> Jason.encode!() - end - - defp represent_update(%Activity{} = activity) do - %{ - event: "update", - payload: - Pleroma.Web.MastodonAPI.StatusView.render( - "status.json", - activity: activity - ) - |> Jason.encode!() - } - |> Jason.encode!() - end - - def push_to_socket(topics, topic, %Activity{data: %{"type" => "Announce"}} = item) do - Enum.each(topics[topic] || [], fn socket -> - # Get the current user so we have up-to-date blocks etc. - if socket.assigns[:user] do - user = User.get_cached_by_ap_id(socket.assigns[:user].ap_id) - blocks = user.info.blocks || [] - mutes = user.info.mutes || [] - reblog_mutes = user.info.muted_reblogs || [] - - parent = Object.normalize(item) - - unless is_nil(parent) or item.actor in blocks or item.actor in mutes or - item.actor in reblog_mutes or not ActivityPub.contain_activity(item, user) or - parent.data["actor"] in blocks or parent.data["actor"] in mutes do - send(socket.transport_pid, {:text, represent_update(item, user)}) - end - else - send(socket.transport_pid, {:text, represent_update(item)}) - end - end) - end - - def push_to_socket(topics, topic, %Activity{ - data: %{"type" => "Delete", "deleted_activity_id" => deleted_activity_id} - }) do - Enum.each(topics[topic] || [], fn socket -> - send( - socket.transport_pid, - {:text, %{event: "delete", payload: to_string(deleted_activity_id)} |> Jason.encode!()} - ) - end) - end - - def push_to_socket(_topics, _topic, %Activity{data: %{"type" => "Delete"}}), do: :noop - - def push_to_socket(topics, topic, item) do - Enum.each(topics[topic] || [], fn socket -> - # Get the current user so we have up-to-date blocks etc. - if socket.assigns[:user] do - user = User.get_cached_by_ap_id(socket.assigns[:user].ap_id) - blocks = user.info.blocks || [] - mutes = user.info.mutes || [] - - unless item.actor in blocks or item.actor in mutes or - not ActivityPub.contain_activity(item, user) do - send(socket.transport_pid, {:text, represent_update(item, user)}) - end - else - send(socket.transport_pid, {:text, represent_update(item)}) - end - end) - end - - defp internal_topic(topic, socket) when topic in ~w[user direct] do - "#{topic}:#{socket.assigns[:user].id}" - end - - defp internal_topic(topic, _), do: topic -end