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receiver_worker.ex
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Workers.ReceiverWorker do
alias Pleroma.Signature
alias Pleroma.User
alias Pleroma.Web.Federator
use Pleroma.Workers.WorkerHelper, queue: "federator_incoming"
@impl Oban.Worker
def perform(%Job{
args: %{"op" => "incoming_ap_doc", "req_headers" => req_headers, "params" => params}
}) do
# Oban's serialization converts our tuple headers to lists.
# Revert it for the signature validation.
req_headers = Enum.into(req_headers, [], &List.to_tuple(&1))
conn_data = %{params: params, req_headers: req_headers}
with {:ok, %User{} = _actor} <- User.get_or_fetch_by_ap_id(conn_data.params["actor"]),
{:ok, _public_key} <- Signature.refetch_public_key(conn_data),
{:signature, true} <- {:signature, HTTPSignatures.validate_conn(conn_data)},
{:ok, res} <- Federator.perform(:incoming_ap_doc, params) do
{:ok, res}
else
e -> process_errors(e)
end
end
def perform(%Job{args: %{"op" => "incoming_ap_doc", "params" => params}}) do
with {:ok, res} <- Federator.perform(:incoming_ap_doc, params) do
{:ok, res}
else
e -> process_errors(e)
end
end
@impl Oban.Worker
def timeout(%_{args: %{"timeout" => timeout}}), do: timeout
def timeout(_job), do: :timer.seconds(5)
defp process_errors(errors) do
case errors do
{:error, :origin_containment_failed} -> {:cancel, :origin_containment_failed}
{:error, :already_present} -> {:cancel, :already_present}
{:error, {:validate_object, reason}} -> {:cancel, reason}
{:error, {:error, {:validate, reason}}} -> {:cancel, reason}
{:error, {:reject, reason}} -> {:cancel, reason}
{:signature, false} -> {:cancel, :invalid_signature}
{:error, {:error, reason = "Object has been deleted"}} -> {:cancel, reason}
{:error, _} = e -> e
e -> {:error, e}
end
end
end

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