Streamer rework
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17 changed files with 535 additions and 957 deletions
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Streamer.Ping do
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use GenServer
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require Logger
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alias Pleroma.Web.Streamer.State
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alias Pleroma.Web.Streamer.StreamerSocket
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@keepalive_interval :timer.seconds(30)
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def start_link(opts) do
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ping_interval = Keyword.get(opts, :ping_interval, @keepalive_interval)
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GenServer.start_link(__MODULE__, %{ping_interval: ping_interval}, name: __MODULE__)
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end
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def init(%{ping_interval: ping_interval} = args) do
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Process.send_after(self(), :ping, ping_interval)
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{:ok, args}
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end
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def handle_info(:ping, %{ping_interval: ping_interval} = state) do
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State.get_sockets()
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|> Map.values()
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|> List.flatten()
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|> Enum.each(fn %StreamerSocket{transport_pid: transport_pid} ->
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Logger.debug("Sending keepalive ping")
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send(transport_pid, {:text, ""})
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end)
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Process.send_after(self(), :ping, ping_interval)
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{:noreply, state}
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end
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end
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@ -1,82 +0,0 @@
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Streamer.State do
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use GenServer
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require Logger
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alias Pleroma.Web.Streamer.StreamerSocket
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@env Mix.env()
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def start_link(_) do
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GenServer.start_link(__MODULE__, %{sockets: %{}}, name: __MODULE__)
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end
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def add_socket(topic, socket) do
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GenServer.call(__MODULE__, {:add, topic, socket})
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end
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def remove_socket(topic, socket) do
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do_remove_socket(@env, topic, socket)
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end
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def get_sockets do
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%{sockets: stream_sockets} = GenServer.call(__MODULE__, :get_state)
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stream_sockets
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end
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def init(init_arg) do
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{:ok, init_arg}
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end
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def handle_call(:get_state, _from, state) do
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{:reply, state, state}
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end
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def handle_call({:add, topic, socket}, _from, %{sockets: sockets} = state) do
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internal_topic = internal_topic(topic, socket)
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stream_socket = StreamerSocket.from_socket(socket)
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sockets_for_topic =
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sockets
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|> Map.get(internal_topic, [])
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|> List.insert_at(0, stream_socket)
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|> Enum.uniq()
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state = put_in(state, [:sockets, internal_topic], sockets_for_topic)
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Logger.debug("Got new conn for #{topic}")
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{:reply, state, state}
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end
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def handle_call({:remove, topic, socket}, _from, %{sockets: sockets} = state) do
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internal_topic = internal_topic(topic, socket)
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stream_socket = StreamerSocket.from_socket(socket)
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sockets_for_topic =
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sockets
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|> Map.get(internal_topic, [])
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|> List.delete(stream_socket)
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state = Kernel.put_in(state, [:sockets, internal_topic], sockets_for_topic)
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{:reply, state, state}
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end
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defp do_remove_socket(:test, _, _) do
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:ok
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end
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defp do_remove_socket(_env, topic, socket) do
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GenServer.call(__MODULE__, {:remove, topic, socket})
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end
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defp internal_topic(topic, socket)
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when topic in ~w[user user:notification direct] do
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"#{topic}:#{socket.assigns[:user].id}"
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end
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defp internal_topic(topic, _) do
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topic
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end
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end
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@ -3,53 +3,241 @@
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Streamer do
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alias Pleroma.Web.Streamer.State
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alias Pleroma.Web.Streamer.Worker
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require Logger
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alias Pleroma.Activity
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alias Pleroma.Config
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alias Pleroma.Conversation.Participation
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alias Pleroma.Notification
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alias Pleroma.Object
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.Visibility
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alias Pleroma.Web.CommonAPI
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alias Pleroma.Web.StreamerView
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@timeout 60_000
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@mix_env Mix.env()
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@registry Pleroma.Web.StreamerRegistry
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def add_socket(topic, socket) do
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State.add_socket(topic, socket)
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def registry, do: @registry
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def add_socket(topic, %User{} = user) do
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if should_env_send?(), do: Registry.register(@registry, user_topic(topic, user), true)
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end
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def remove_socket(topic, socket) do
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State.remove_socket(topic, socket)
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def add_socket(topic, _) do
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if should_env_send?(), do: Registry.register(@registry, topic, false)
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end
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def get_sockets do
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State.get_sockets()
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def remove_socket(topic) do
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if should_env_send?(), do: Registry.unregister(@registry, topic)
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end
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def stream(topics, items) do
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if should_send?() do
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Task.async(fn ->
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:poolboy.transaction(
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:streamer_worker,
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&Worker.stream(&1, topics, items),
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@timeout
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)
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def stream(topics, item) when is_list(topics) do
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if should_env_send?() do
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Enum.each(topics, fn t ->
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spawn(fn -> do_stream(t, item) end)
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end)
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end
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:ok
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end
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def supervisor, do: Pleroma.Web.Streamer.Supervisor
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def stream(topic, items) when is_list(items) do
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if should_env_send?() do
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Enum.each(items, fn i ->
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spawn(fn -> do_stream(topic, i) end)
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end)
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defp should_send? do
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handle_should_send(@mix_env)
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end
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defp handle_should_send(:test) do
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case Process.whereis(:streamer_worker) do
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nil ->
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false
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pid ->
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Process.alive?(pid)
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:ok
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end
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end
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defp handle_should_send(:benchmark), do: false
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def stream(topic, item) do
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if should_env_send?() do
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spawn(fn -> do_stream(topic, item) end)
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end
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defp handle_should_send(_), do: true
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:ok
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end
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def filtered_by_user?(%User{} = user, %Activity{} = item) do
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%{block: blocked_ap_ids, mute: muted_ap_ids, reblog_mute: reblog_muted_ap_ids} =
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User.outgoing_relationships_ap_ids(user, [:block, :mute, :reblog_mute])
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recipient_blocks = MapSet.new(blocked_ap_ids ++ muted_ap_ids)
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recipients = MapSet.new(item.recipients)
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domain_blocks = Pleroma.Web.ActivityPub.MRF.subdomains_regex(user.domain_blocks)
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with parent <- Object.normalize(item) || item,
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true <-
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Enum.all?([blocked_ap_ids, muted_ap_ids], &(item.actor not in &1)),
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true <- item.data["type"] != "Announce" || item.actor not in reblog_muted_ap_ids,
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true <- Enum.all?([blocked_ap_ids, muted_ap_ids], &(parent.data["actor"] not in &1)),
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true <- MapSet.disjoint?(recipients, recipient_blocks),
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%{host: item_host} <- URI.parse(item.actor),
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%{host: parent_host} <- URI.parse(parent.data["actor"]),
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false <- Pleroma.Web.ActivityPub.MRF.subdomain_match?(domain_blocks, item_host),
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false <- Pleroma.Web.ActivityPub.MRF.subdomain_match?(domain_blocks, parent_host),
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true <- thread_containment(item, user),
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false <- CommonAPI.thread_muted?(user, item) do
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false
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else
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_ -> true
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end
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end
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def filtered_by_user?(%User{} = user, %Notification{activity: activity}) do
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filtered_by_user?(user, activity)
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end
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defp do_stream("direct", item) do
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recipient_topics =
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User.get_recipients_from_activity(item)
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|> Enum.map(fn %{id: id} -> "direct:#{id}" end)
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Enum.each(recipient_topics, fn user_topic ->
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Logger.debug("Trying to push direct message to #{user_topic}\n\n")
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push_to_socket(user_topic, item)
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end)
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end
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defp do_stream("participation", participation) do
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user_topic = "direct:#{participation.user_id}"
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Logger.debug("Trying to push a conversation participation to #{user_topic}\n\n")
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push_to_socket(user_topic, participation)
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end
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defp do_stream("list", item) do
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# filter the recipient list if the activity is not public, see #270.
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recipient_lists =
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case Visibility.is_public?(item) do
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true ->
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Pleroma.List.get_lists_from_activity(item)
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_ ->
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Pleroma.List.get_lists_from_activity(item)
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|> Enum.filter(fn list ->
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owner = User.get_cached_by_id(list.user_id)
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Visibility.visible_for_user?(item, owner)
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end)
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end
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recipient_topics =
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recipient_lists
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|> Enum.map(fn %{id: id} -> "list:#{id}" end)
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Enum.each(recipient_topics, fn list_topic ->
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Logger.debug("Trying to push message to #{list_topic}\n\n")
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push_to_socket(list_topic, item)
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end)
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end
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defp do_stream(topic, %Notification{} = item)
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when topic in ["user", "user:notification"] do
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Registry.dispatch(@registry, "#{topic}:#{item.user_id}", fn list ->
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Enum.each(list, fn {pid, _auth} ->
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send(pid, {:render_with_user, StreamerView, "notification.json", item})
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end)
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end)
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end
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defp do_stream("user", item) do
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Logger.debug("Trying to push to users")
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recipient_topics =
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User.get_recipients_from_activity(item)
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|> Enum.map(fn %{id: id} -> "user:#{id}" end)
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Enum.each(recipient_topics, fn topic ->
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push_to_socket(topic, item)
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end)
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end
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defp do_stream(topic, item) do
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Logger.debug("Trying to push to #{topic}")
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Logger.debug("Pushing item to #{topic}")
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push_to_socket(topic, item)
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end
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defp push_to_socket(topic, %Participation{} = participation) do
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rendered = StreamerView.render("conversation.json", participation)
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Registry.dispatch(@registry, topic, fn list ->
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Enum.each(list, fn {pid, _} ->
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send(pid, {:text, rendered})
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end)
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end)
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end
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defp push_to_socket(topic, %Activity{
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data: %{"type" => "Delete", "deleted_activity_id" => deleted_activity_id}
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}) do
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rendered = Jason.encode!(%{event: "delete", payload: to_string(deleted_activity_id)})
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Registry.dispatch(@registry, topic, fn list ->
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Enum.each(list, fn {pid, _} ->
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send(pid, {:text, rendered})
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end)
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end)
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end
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defp push_to_socket(_topic, %Activity{data: %{"type" => "Delete"}}), do: :noop
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defp push_to_socket(topic, item) do
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anon_render = StreamerView.render("update.json", item)
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Registry.dispatch(@registry, topic, fn list ->
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Enum.each(list, fn {pid, auth?} ->
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if auth? do
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send(pid, {:render_with_user, StreamerView, "update.json", item})
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else
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send(pid, {:text, anon_render})
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end
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end)
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end)
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end
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defp thread_containment(_activity, %User{skip_thread_containment: true}), do: true
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defp thread_containment(activity, user) do
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if Config.get([:instance, :skip_thread_containment]) do
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true
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else
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ActivityPub.contain_activity(activity, user)
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end
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end
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# In test environement, only return true if the registry is started.
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# In benchmark environment, returns false.
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# In any other environment, always returns true.
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cond do
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@mix_env == :test ->
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def should_env_send? do
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case Process.whereis(@registry) do
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nil ->
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false
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pid ->
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Process.alive?(pid)
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end
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end
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@mix_env == :benchmark ->
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def should_env_send?, do: false
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true ->
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def should_env_send?, do: true
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end
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defp user_topic(topic, user)
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when topic in ~w[user user:notification direct] do
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"#{topic}:#{user.id}"
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end
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defp user_topic(topic, _) do
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topic
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end
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end
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@ -1,35 +0,0 @@
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Streamer.StreamerSocket do
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defstruct transport_pid: nil, user: nil
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alias Pleroma.User
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alias Pleroma.Web.Streamer.StreamerSocket
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def from_socket(%{
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transport_pid: transport_pid,
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assigns: %{user: nil}
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}) do
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%StreamerSocket{
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transport_pid: transport_pid
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}
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end
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def from_socket(%{
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transport_pid: transport_pid,
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assigns: %{user: %User{} = user}
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}) do
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%StreamerSocket{
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transport_pid: transport_pid,
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user: user
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}
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end
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def from_socket(%{transport_pid: transport_pid}) do
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%StreamerSocket{
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transport_pid: transport_pid
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}
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end
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end
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@ -1,37 +0,0 @@
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Streamer.Supervisor do
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use Supervisor
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def start_link(opts) do
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Supervisor.start_link(__MODULE__, opts, name: __MODULE__)
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end
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def init(args) do
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children = [
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{Pleroma.Web.Streamer.State, args},
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{Pleroma.Web.Streamer.Ping, args},
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:poolboy.child_spec(:streamer_worker, poolboy_config())
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]
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opts = [strategy: :one_for_one, name: Pleroma.Web.Streamer.Supervisor]
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Supervisor.init(children, opts)
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end
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defp poolboy_config do
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opts =
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Pleroma.Config.get(:streamer,
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workers: 3,
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overflow_workers: 2
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)
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[
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{:name, {:local, :streamer_worker}},
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{:worker_module, Pleroma.Web.Streamer.Worker},
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{:size, opts[:workers]},
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{:max_overflow, opts[:overflow_workers]}
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]
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end
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end
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@ -1,208 +0,0 @@
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Streamer.Worker do
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use GenServer
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require Logger
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alias Pleroma.Activity
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alias Pleroma.Config
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alias Pleroma.Conversation.Participation
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alias Pleroma.Notification
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alias Pleroma.Object
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.Visibility
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alias Pleroma.Web.CommonAPI
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alias Pleroma.Web.Streamer.State
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alias Pleroma.Web.Streamer.StreamerSocket
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alias Pleroma.Web.StreamerView
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def start_link(_) do
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GenServer.start_link(__MODULE__, %{}, [])
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end
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def init(init_arg) do
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{:ok, init_arg}
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end
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|
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def stream(pid, topics, items) do
|
||||
GenServer.call(pid, {:stream, topics, items})
|
||||
end
|
||||
|
||||
def handle_call({:stream, topics, item}, _from, state) when is_list(topics) do
|
||||
Enum.each(topics, fn t ->
|
||||
do_stream(%{topic: t, item: item})
|
||||
end)
|
||||
|
||||
{:reply, state, state}
|
||||
end
|
||||
|
||||
def handle_call({:stream, topic, items}, _from, state) when is_list(items) do
|
||||
Enum.each(items, fn i ->
|
||||
do_stream(%{topic: topic, item: i})
|
||||
end)
|
||||
|
||||
{:reply, state, state}
|
||||
end
|
||||
|
||||
def handle_call({:stream, topic, item}, _from, state) do
|
||||
do_stream(%{topic: topic, item: item})
|
||||
|
||||
{:reply, state, state}
|
||||
end
|
||||
|
||||
defp do_stream(%{topic: "direct", item: item}) 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(State.get_sockets(), user_topic, item)
|
||||
end)
|
||||
end
|
||||
|
||||
defp do_stream(%{topic: "participation", item: participation}) do
|
||||
user_topic = "direct:#{participation.user_id}"
|
||||
Logger.debug("Trying to push a conversation participation to #{user_topic}\n\n")
|
||||
|
||||
push_to_socket(State.get_sockets(), user_topic, participation)
|
||||
end
|
||||
|
||||
defp do_stream(%{topic: "list", item: item}) 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_cached_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(State.get_sockets(), list_topic, item)
|
||||
end)
|
||||
end
|
||||
|
||||
defp do_stream(%{topic: topic, item: %Notification{} = item})
|
||||
when topic in ["user", "user:notification"] do
|
||||
State.get_sockets()
|
||||
|> Map.get("#{topic}:#{item.user_id}", [])
|
||||
|> Enum.each(fn %StreamerSocket{transport_pid: transport_pid, user: socket_user} ->
|
||||
with %User{} = user <- User.get_cached_by_ap_id(socket_user.ap_id),
|
||||
true <- should_send?(user, item) do
|
||||
send(transport_pid, {:text, StreamerView.render("notification.json", socket_user, item)})
|
||||
end
|
||||
end)
|
||||
end
|
||||
|
||||
defp do_stream(%{topic: "user", item: item}) 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(State.get_sockets(), topic, item)
|
||||
end)
|
||||
end
|
||||
|
||||
defp do_stream(%{topic: topic, item: item}) do
|
||||
Logger.debug("Trying to push to #{topic}")
|
||||
Logger.debug("Pushing item to #{topic}")
|
||||
push_to_socket(State.get_sockets(), topic, item)
|
||||
end
|
||||
|
||||
defp should_send?(%User{} = user, %Activity{} = item) 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])
|
||||
|
||||
recipient_blocks = MapSet.new(blocked_ap_ids ++ muted_ap_ids)
|
||||
recipients = MapSet.new(item.recipients)
|
||||
domain_blocks = Pleroma.Web.ActivityPub.MRF.subdomains_regex(user.domain_blocks)
|
||||
|
||||
with parent <- Object.normalize(item) || item,
|
||||
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 <- 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),
|
||||
%{host: parent_host} <- URI.parse(parent.data["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
|
||||
true
|
||||
else
|
||||
_ -> false
|
||||
end
|
||||
end
|
||||
|
||||
defp should_send?(%User{} = user, %Notification{activity: activity}) do
|
||||
should_send?(user, activity)
|
||||
end
|
||||
|
||||
def push_to_socket(topics, topic, %Participation{} = participation) do
|
||||
Enum.each(topics[topic] || [], fn %StreamerSocket{transport_pid: transport_pid} ->
|
||||
send(transport_pid, {:text, StreamerView.render("conversation.json", participation)})
|
||||
end)
|
||||
end
|
||||
|
||||
def push_to_socket(topics, topic, %Activity{
|
||||
data: %{"type" => "Delete", "deleted_activity_id" => deleted_activity_id}
|
||||
}) do
|
||||
Enum.each(topics[topic] || [], fn %StreamerSocket{transport_pid: transport_pid} ->
|
||||
send(
|
||||
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 %StreamerSocket{
|
||||
transport_pid: transport_pid,
|
||||
user: socket_user
|
||||
} ->
|
||||
# Get the current user so we have up-to-date blocks etc.
|
||||
if socket_user do
|
||||
user = User.get_cached_by_ap_id(socket_user.ap_id)
|
||||
|
||||
if should_send?(user, item) do
|
||||
send(transport_pid, {:text, StreamerView.render("update.json", item, user)})
|
||||
end
|
||||
else
|
||||
send(transport_pid, {:text, StreamerView.render("update.json", item)})
|
||||
end
|
||||
end)
|
||||
end
|
||||
|
||||
@spec thread_containment(Activity.t(), User.t()) :: boolean()
|
||||
defp thread_containment(_activity, %User{skip_thread_containment: true}), do: true
|
||||
|
||||
defp thread_containment(activity, user) do
|
||||
if Config.get([:instance, :skip_thread_containment]) do
|
||||
true
|
||||
else
|
||||
ActivityPub.contain_activity(activity, user)
|
||||
end
|
||||
end
|
||||
end
|
||||
Loading…
Add table
Add a link
Reference in a new issue