# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Federator.Publisher do
+ alias Pleroma.Activity
+ alias Pleroma.Config
+ alias Pleroma.User
+ alias Pleroma.Web.Federator.RetryQueue
+
+ require Logger
+
@moduledoc """
Defines the contract used by federation implementations to publish messages to
their peers.
"""
@callback publish_one(Map.t()) :: {:ok, Map.t()} | {:error, any()}
+ @doc """
+ Enqueue publishing a single activity.
+ """
+ @spec enqueue_one(module(), Map.t()) :: :ok
+ def enqueue_one(module, %{} = params),
+ do: PleromaJobQueue.enqueue(:federator_outgoing, __MODULE__, [:publish_one, module, params])
+
+ @spec perform(atom(), module(), any()) :: {:ok, any()} | {:error, any()}
+ def perform(:publish_one, module, params) do
+ case apply(module, :publish_one, [params]) do
+ {:ok, _} ->
+ :ok
+
+ {:error, _e} ->
+ RetryQueue.enqueue(params, module)
+ end
+ end
+
+ def perform(type, _, _) do
+ Logger.debug("Unknown task: #{type}")
+ {:error, "Don't know what to do with this"}
+ end
+
@doc """
Relays an activity to all specified peers.
"""
- @callback publish(Pleroma.User.t(), Pleroma.Activity.t()) :: :ok | {:error, any()}
+ @callback publish(User.t(), Activity.t()) :: :ok | {:error, any()}
+
+ @spec publish(User.t(), Activity.t()) :: :ok
+ def publish(%User{} = user, %Activity{} = activity) do
+ Config.get([:instance, :federation_publisher_modules])
+ |> Enum.each(fn module ->
+ if module.is_representable?(activity) do
+ Logger.info("Publishing #{activity.data["id"]} using #{inspect(module)}")
+ module.publish(user, activity)
+ end
+ end)
+
+ :ok
+ end
@doc """
- Enqueues work generated by the federation module.
+ Gathers links used by an outgoing federation module for WebFinger output.
"""
- @spec enqueue(module(), keyword()) :: :ok
- def enqueue(module, args), do: PleromaJobQueue.enqueue(:federation_outgoing, module, args)
+ @callback gather_webfinger_links(User.t()) :: list()
+
+ @spec gather_webfinger_links(User.t()) :: list()
+ def gather_webfinger_links(%User{} = user) do
+ Config.get([:instance, :federation_publisher_modules])
+ |> Enum.reduce([], fn module, links ->
+ links ++ module.gather_webfinger_links(user)
+ end)
+ end
@doc """
- Enqueue publishing a single activity.
+ Gathers nodeinfo protocol names supported by the federation module.
"""
- @spec enqueue_one(module(), Map.t()) :: :ok
- def enqueue_one(module, %{} = args), do: enqueue(module, [:publish_one, args])
+ @callback gather_nodeinfo_protocol_names() :: list()
+
+ @spec gather_nodeinfo_protocol_names() :: list()
+ def gather_nodeinfo_protocol_names do
+ Config.get([:instance, :federation_publisher_modules])
+ |> Enum.reduce([], fn module, links ->
+ links ++ module.gather_nodeinfo_protocol_names()
+ end)
+ end
end