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105 lines
3 KiB
Elixir
105 lines
3 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.Object.Containment
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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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.Federator.Publisher
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alias Pleroma.Web.OStatus
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alias Pleroma.Workers.PublisherWorker
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alias Pleroma.Workers.ReceiverWorker
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require Logger
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@doc "Addresses [memory leaks on recursive replies fetching](https://git.pleroma.social/pleroma/pleroma/issues/161)"
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# credo:disable-for-previous-line Credo.Check.Readability.MaxLineLength
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def allowed_incoming_reply_depth?(depth) do
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max_replies_depth = Pleroma.Config.get([:instance, :federation_incoming_replies_max_depth])
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if max_replies_depth do
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(depth || 1) <= max_replies_depth
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else
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true
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end
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end
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# Client API
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def incoming_doc(doc) do
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ReceiverWorker.enqueue("incoming_doc", %{"body" => doc})
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end
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def incoming_ap_doc(params) do
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ReceiverWorker.enqueue("incoming_ap_doc", %{"params" => params})
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end
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def publish(%{id: "pleroma:fakeid"} = activity) do
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perform(:publish, activity)
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end
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def publish(activity) do
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PublisherWorker.enqueue("publish", %{"activity_id" => activity.id})
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end
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# Job Worker Callbacks
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@spec perform(atom(), module(), any()) :: {:ok, any()} | {:error, any()}
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def perform(:publish_one, module, params) do
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apply(module, :publish_one, [params])
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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 %User{} = actor <- User.get_cached_by_ap_id(activity.data["actor"]),
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{:ok, actor} <- User.ensure_keys_present(actor) do
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Publisher.publish(actor, activity)
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end
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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 <- Containment.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(Jason.encode!(params, pretty: true))
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:error
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end
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end
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def ap_enabled_actor(id) do
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user = User.get_cached_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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