115 lines
3.8 KiB
Elixir
115 lines
3.8 KiB
Elixir
defmodule Pleroma.Web.Federator do
|
|
use GenServer
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.{WebFinger, Websub}
|
|
require Logger
|
|
|
|
@websub Application.get_env(:pleroma, :websub)
|
|
@ostatus Application.get_env(:pleroma, :ostatus)
|
|
@httpoison Application.get_env(:pleroma, :httpoison)
|
|
@max_jobs 10
|
|
|
|
def start_link do
|
|
spawn(fn ->
|
|
Process.sleep(1000 * 60 * 1) # 1 minute
|
|
enqueue(:refresh_subscriptions, nil)
|
|
end)
|
|
GenServer.start_link(__MODULE__, {:sets.new(), :queue.new()}, name: __MODULE__)
|
|
end
|
|
|
|
def handle(:refresh_subscriptions, _) do
|
|
Logger.debug("Federator running refresh subscriptions")
|
|
Websub.refresh_subscriptions()
|
|
spawn(fn ->
|
|
Process.sleep(1000 * 60 * 60 * 6) # 6 hours
|
|
enqueue(:refresh_subscriptions, nil)
|
|
end)
|
|
end
|
|
|
|
def handle(:request_subscription, websub) do
|
|
Logger.debug("Refreshing #{websub.topic}")
|
|
with {:ok, websub } <- Websub.request_subscription(websub) do
|
|
Logger.debug("Successfully refreshed #{websub.topic}")
|
|
else
|
|
_e -> Logger.debug("Couldn't refresh #{websub.topic}")
|
|
end
|
|
end
|
|
|
|
def handle(:publish, activity) do
|
|
Logger.debug(fn -> "Running publish for #{activity.data["id"]}" end)
|
|
with actor when not is_nil(actor) <- User.get_cached_by_ap_id(activity.data["actor"]) do
|
|
Logger.debug(fn -> "Sending #{activity.data["id"]} out via websub" end)
|
|
Websub.publish(Pleroma.Web.OStatus.feed_path(actor), actor, activity)
|
|
|
|
{:ok, actor} = WebFinger.ensure_keys_present(actor)
|
|
Logger.debug(fn -> "Sending #{activity.data["id"]} out via salmon" end)
|
|
Pleroma.Web.Salmon.publish(actor, activity)
|
|
end
|
|
end
|
|
|
|
def handle(:verify_websub, websub) do
|
|
Logger.debug(fn -> "Running websub verification for #{websub.id} (#{websub.topic}, #{websub.callback})" end)
|
|
@websub.verify(websub)
|
|
end
|
|
|
|
def handle(:incoming_doc, doc) do
|
|
Logger.debug("Got document, trying to parse")
|
|
@ostatus.handle_incoming(doc)
|
|
end
|
|
|
|
def handle(:publish_single_websub, %{xml: xml, topic: topic, callback: callback, secret: secret}) do
|
|
signature = @websub.sign(secret || "", xml)
|
|
Logger.debug(fn -> "Pushing #{topic} to #{callback}" end)
|
|
|
|
with {:ok, %{status_code: code}} <- @httpoison.post(callback, xml, [
|
|
{"Content-Type", "application/atom+xml"},
|
|
{"X-Hub-Signature", "sha1=#{signature}"}
|
|
], timeout: 10000, recv_timeout: 20000) do
|
|
Logger.debug(fn -> "Pushed to #{callback}, code #{code}" end)
|
|
else e ->
|
|
Logger.debug(fn -> "Couldn't push to #{callback}, #{inspect(e)}" end)
|
|
end
|
|
end
|
|
|
|
def handle(type, _) do
|
|
Logger.debug(fn -> "Unknown task: #{type}" end)
|
|
{:error, "Don't know what do do with this"}
|
|
end
|
|
|
|
def enqueue(type, payload) do
|
|
if Mix.env == :test do
|
|
handle(type, payload)
|
|
else
|
|
GenServer.cast(__MODULE__, {:enqueue, type, payload})
|
|
end
|
|
end
|
|
|
|
def maybe_start_job(running_jobs, queue) do
|
|
if (:sets.size(running_jobs) < @max_jobs) && !:queue.is_empty(queue) do
|
|
{{:value, {type, payload}}, queue} = :queue.out(queue)
|
|
{:ok, pid} = Task.start(fn -> handle(type, payload) end)
|
|
mref = Process.monitor(pid)
|
|
{:sets.add_element(mref, running_jobs), queue}
|
|
else
|
|
{running_jobs, queue}
|
|
end
|
|
end
|
|
|
|
def handle_cast({:enqueue, type, payload}, {running_jobs, queue}) do
|
|
queue = :queue.in({type, payload}, queue)
|
|
{running_jobs, queue} = maybe_start_job(running_jobs, queue)
|
|
{:noreply, {running_jobs, queue}}
|
|
end
|
|
|
|
def handle_cast(m, state) do
|
|
IO.inspect("Unknown: #{inspect(m)}, #{inspect(state)}")
|
|
{:noreply, state}
|
|
end
|
|
|
|
def handle_info({:DOWN, ref, :process, _pid, _reason}, {running_jobs, queue}) do
|
|
running_jobs = :sets.del_element(ref, running_jobs)
|
|
{running_jobs, queue} = maybe_start_job(running_jobs, queue)
|
|
{:noreply, {running_jobs, queue}}
|
|
end
|
|
end
|