akkoma/lib/pleroma/web/websub/websub_controller.ex

58 lines
1.9 KiB
Elixir

defmodule Pleroma.Web.Websub.WebsubController do
use Pleroma.Web, :controller
alias Pleroma.{Repo, User}
alias Pleroma.Web.{Websub, Federator}
alias Pleroma.Web.Websub.WebsubClientSubscription
require Logger
def websub_subscription_request(conn, %{"nickname" => nickname} = params) do
user = User.get_cached_by_nickname(nickname)
with {:ok, _websub} <- Websub.incoming_subscription_request(user, params)
do
conn
|> send_resp(202, "Accepted")
else {:error, reason} ->
conn
|> send_resp(500, reason)
end
end
# TODO: Extract this into the Websub module
def websub_subscription_confirmation(conn, %{"id" => id, "hub.mode" => "subscribe", "hub.challenge" => challenge, "hub.topic" => topic} = params) do
lease_seconds = if params["hub.lease_seconds"] do
String.to_integer(params["hub.lease_seconds"])
else
# Guess 3 days
60 * 24 * 3
end
with %WebsubClientSubscription{} = websub <- Repo.get_by(WebsubClientSubscription, id: id, topic: topic) do
valid_until = NaiveDateTime.add(NaiveDateTime.utc_now, lease_seconds)
change = Ecto.Changeset.change(websub, %{state: "accepted", valid_until: valid_until})
{:ok, _websub} = Repo.update(change)
conn
|> send_resp(200, challenge)
else _e ->
conn
|> send_resp(500, "Error")
end
end
def websub_incoming(conn, %{"id" => id}) do
with "sha1=" <> signature <- hd(get_req_header(conn, "x-hub-signature")),
signature <- String.downcase(signature),
%WebsubClientSubscription{} = websub <- Repo.get(WebsubClientSubscription, id),
{:ok, body, _conn} = read_body(conn),
^signature <- Websub.sign(websub.secret, body) do
Federator.enqueue(:incoming_doc, body)
conn
|> send_resp(200, "OK")
else _e ->
Logger.debug("Can't handle incoming subscription post")
conn
|> send_resp(500, "Error")
end
end
end