143 lines
4.2 KiB
Elixir
143 lines
4.2 KiB
Elixir
# Portions of this file are derived from Pleroma:
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# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social>
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# SPDX-License-Identifier: AGPL-3.0-only
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# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/lib/pleroma/web/activity_pub/activity_pub_controller.ex
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defmodule MobilizonWeb.ActivityPubController do
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use MobilizonWeb, :controller
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alias Mobilizon.{Actors, Actors.Actor, Config}
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alias Mobilizon.Service.ActivityPub
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alias Mobilizon.Service.Federator
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alias MobilizonWeb.ActivityPub.ActorView
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require Logger
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action_fallback(:errors)
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plug(:relay_active? when action in [:relay])
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def relay_active?(conn, _) do
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if Config.get([:instance, :allow_relay]) do
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conn
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else
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conn
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|> put_status(404)
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|> json("Not found")
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|> halt()
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end
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end
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def following(conn, %{"name" => name, "page" => page}) do
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with {page, ""} <- Integer.parse(page),
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%Actor{} = actor <- Actors.get_local_actor_by_name_with_everything(name) do
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(ActorView.render("following.json", %{actor: actor, page: page}))
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end
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end
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def following(conn, %{"name" => name}) do
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with %Actor{} = actor <- Actors.get_local_actor_by_name_with_everything(name) do
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(ActorView.render("following.json", %{actor: actor}))
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end
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end
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def followers(conn, %{"name" => name, "page" => page}) do
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with {page, ""} <- Integer.parse(page),
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%Actor{} = actor <- Actors.get_local_actor_by_name_with_everything(name) do
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(ActorView.render("followers.json", %{actor: actor, page: page}))
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end
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end
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def followers(conn, %{"name" => name}) do
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with %Actor{} = actor <- Actors.get_local_actor_by_name_with_everything(name) do
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(ActorView.render("followers.json", %{actor: actor}))
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end
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end
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def outbox(conn, %{"name" => name, "page" => page}) do
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with {page, ""} <- Integer.parse(page),
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%Actor{} = actor <- Actors.get_local_actor_by_name(name) do
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(ActorView.render("outbox.json", %{actor: actor, page: page}))
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end
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end
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def outbox(conn, %{"name" => name}) do
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with %Actor{} = actor <- Actors.get_local_actor_by_name(name) do
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(ActorView.render("outbox.json", %{actor: actor}))
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end
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end
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# TODO: Ensure that this inbox is a recipient of the message
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def inbox(%{assigns: %{valid_signature: true}} = conn, params) do
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Logger.debug("Got something with valid signature inside inbox")
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Federator.enqueue(:incoming_ap_doc, params)
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json(conn, "ok")
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end
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# only accept relayed Creates
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def inbox(conn, %{"type" => "Create"} = params) do
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Logger.info(
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"Signature missing or not from author, relayed Create message, fetching object from source"
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)
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ActivityPub.fetch_object_from_url(params["object"]["id"])
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json(conn, "ok")
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end
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def inbox(conn, params) do
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headers = Enum.into(conn.req_headers, %{})
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if String.contains?(headers["signature"], params["actor"]) do
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Logger.error(
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"Signature validation error for: #{params["actor"]}, make sure you are forwarding the HTTP Host header!"
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)
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Logger.debug(inspect(conn.req_headers))
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end
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json(conn, "error")
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end
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def relay(conn, _params) do
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with {status, actor} <-
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Cachex.fetch(
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:activity_pub,
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"relay_actor",
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&Mobilizon.Service.ActivityPub.Relay.get_actor/0
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),
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true <- status in [:ok, :commit] do
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conn
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|> put_resp_header("content-type", "application/activity+json")
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|> json(ActorView.render("actor.json", %{actor: actor}))
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end
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end
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def errors(conn, {:error, :not_found}) do
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conn
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|> put_status(404)
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|> json("Not found")
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end
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def errors(conn, e) do
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Logger.debug(inspect(e))
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conn
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|> put_status(500)
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|> json("Unknown Error")
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end
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end
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