197 lines
5.5 KiB
Elixir
197 lines
5.5 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Federator do
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alias Pleroma.Activity
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alias Pleroma.Jobs
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.Relay
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alias Pleroma.Web.ActivityPub.Transmogrifier
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alias Pleroma.Web.ActivityPub.Utils
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alias Pleroma.Web.ActivityPub.Visibility
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alias Pleroma.Web.Federator.RetryQueue
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alias Pleroma.Web.OStatus
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alias Pleroma.Web.Salmon
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alias Pleroma.Web.WebFinger
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alias Pleroma.Web.Websub
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require Logger
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@websub Application.get_env(:pleroma, :websub)
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@ostatus Application.get_env(:pleroma, :ostatus)
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def init() do
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# 1 minute
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Process.sleep(1000 * 60)
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refresh_subscriptions()
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end
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# Client API
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def incoming_doc(doc) do
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Jobs.enqueue(:federator_incoming, __MODULE__, [:incoming_doc, doc])
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end
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def incoming_ap_doc(params) do
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Jobs.enqueue(:federator_incoming, __MODULE__, [:incoming_ap_doc, params])
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end
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def publish(activity, priority \\ 1) do
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Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish, activity], priority)
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end
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def publish_single_ap(params) do
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Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish_single_ap, params])
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end
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def publish_single_websub(websub) do
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Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish_single_websub, websub])
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end
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def verify_websub(websub) do
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Jobs.enqueue(:federator_outgoing, __MODULE__, [:verify_websub, websub])
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end
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def request_subscription(sub) do
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Jobs.enqueue(:federator_outgoing, __MODULE__, [:request_subscription, sub])
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end
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def refresh_subscriptions() do
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Jobs.enqueue(:federator_outgoing, __MODULE__, [:refresh_subscriptions])
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end
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def publish_single_salmon(params) do
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Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish_single_salmon, params])
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end
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# Job Worker Callbacks
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def perform(:refresh_subscriptions) do
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Logger.debug("Federator running refresh subscriptions")
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Websub.refresh_subscriptions()
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spawn(fn ->
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# 6 hours
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Process.sleep(1000 * 60 * 60 * 6)
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refresh_subscriptions()
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end)
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end
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def perform(:request_subscription, websub) do
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Logger.debug("Refreshing #{websub.topic}")
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with {:ok, websub} <- Websub.request_subscription(websub) do
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Logger.debug("Successfully refreshed #{websub.topic}")
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else
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_e -> Logger.debug("Couldn't refresh #{websub.topic}")
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end
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end
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def perform(:publish, activity) do
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Logger.debug(fn -> "Running publish for #{activity.data["id"]}" end)
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with actor when not is_nil(actor) <- User.get_cached_by_ap_id(activity.data["actor"]) do
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{:ok, actor} = WebFinger.ensure_keys_present(actor)
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if Visibility.is_public?(activity) do
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if OStatus.is_representable?(activity) do
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Logger.info(fn -> "Sending #{activity.data["id"]} out via WebSub" end)
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Websub.publish(Pleroma.Web.OStatus.feed_path(actor), actor, activity)
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Logger.info(fn -> "Sending #{activity.data["id"]} out via Salmon" end)
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Pleroma.Web.Salmon.publish(actor, activity)
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end
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if Keyword.get(Application.get_env(:pleroma, :instance), :allow_relay) do
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Logger.info(fn -> "Relaying #{activity.data["id"]} out" end)
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Relay.publish(activity)
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end
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end
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Logger.info(fn -> "Sending #{activity.data["id"]} out via AP" end)
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Pleroma.Web.ActivityPub.ActivityPub.publish(actor, activity)
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end
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end
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def perform(:verify_websub, websub) do
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Logger.debug(fn ->
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"Running WebSub verification for #{websub.id} (#{websub.topic}, #{websub.callback})"
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end)
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@websub.verify(websub)
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end
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def perform(:incoming_doc, doc) do
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Logger.info("Got document, trying to parse")
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@ostatus.handle_incoming(doc)
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end
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def perform(:incoming_ap_doc, params) do
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Logger.info("Handling incoming AP activity")
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params = Utils.normalize_params(params)
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# NOTE: we use the actor ID to do the containment, this is fine because an
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# actor shouldn't be acting on objects outside their own AP server.
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with {:ok, _user} <- ap_enabled_actor(params["actor"]),
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nil <- Activity.normalize(params["id"]),
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:ok <- Transmogrifier.contain_origin_from_id(params["actor"], params),
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{:ok, activity} <- Transmogrifier.handle_incoming(params) do
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{:ok, activity}
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else
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%Activity{} ->
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Logger.info("Already had #{params["id"]}")
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:error
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_e ->
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# Just drop those for now
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Logger.info("Unhandled activity")
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Logger.info(Poison.encode!(params, pretty: 2))
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:error
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end
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end
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def perform(:publish_single_salmon, params) do
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Salmon.send_to_user(params)
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end
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def perform(:publish_single_ap, params) do
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case ActivityPub.publish_one(params) do
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{:ok, _} ->
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:ok
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{:error, _} ->
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RetryQueue.enqueue(params, ActivityPub)
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end
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end
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def perform(
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:publish_single_websub,
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%{xml: _xml, topic: _topic, callback: _callback, secret: _secret} = params
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) do
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case Websub.publish_one(params) do
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{:ok, _} ->
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:ok
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{:error, _} ->
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RetryQueue.enqueue(params, Websub)
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end
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end
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def perform(type, _) do
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Logger.debug(fn -> "Unknown task: #{type}" end)
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{:error, "Don't know what to do with this"}
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end
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def ap_enabled_actor(id) do
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user = User.get_by_ap_id(id)
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if User.ap_enabled?(user) do
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{:ok, user}
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else
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ActivityPub.make_user_from_ap_id(id)
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end
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end
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end
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