nulla/lib/nulla_web/controllers/inbox_controller.ex
2025-06-22 06:34:34 +02:00

55 lines
1.7 KiB
Elixir

defmodule NullaWeb.InboxController do
use NullaWeb, :controller
alias Nulla.HTTPSignature
alias Nulla.ActivityPub
alias Nulla.Utils
alias Nulla.Models.Actor
alias Nulla.Models.Relation
alias Nulla.Models.Activity
def inbox(
conn,
%{"id" => follow_id, "type" => "Follow", "actor" => actor_uri, "object" => target_uri}
) do
with local_actor <- Actor.get_actor(ap_id: target_uri),
{:ok, remote_actor_json} <- Utils.fetch_remote_actor(actor_uri),
:ok <- HTTPSignature.verify(conn, remote_actor_json),
remote_actor <-
Actor.create_actor(
remote_actor_json
|> Map.put("ap_id", remote_actor_json["id"])
|> Map.delete("id")
|> Map.put("domain", URI.parse(remote_actor_json["id"]).host)
),
follow_activity <-
Activity.create_activity(%{
ap_id: follow_id,
type: "Follow",
actor: remote_actor.id,
object: target_uri
}),
accept_activity <-
Activity.create_activity(%{
type: "Accept",
actor: local_actor.ap_id,
object: follow_activity
}),
_ <-
Relation.create_relation(%{
followed_by: true,
local_actor_id: local_actor.id,
remote_actor_id: remote_actor.id
}) do
conn
|> put_resp_content_type("application/activity+json")
|> send_resp(
200,
Jason.encode!(ActivityPub.follow_accept(accept_activity))
)
else
error ->
IO.inspect(error, label: "Follow error")
json(conn, %{"error" => "Failed to process Follow"})
end
end
end