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defmodule Pleroma.Web.Websub.WebsubController do
use Pleroma.Web, :controller
alias Pleroma.{Repo, User}
alias Pleroma.Web.Websub
alias Pleroma.Web.Websub.WebsubClientSubscription
require Logger
@ostatus Application.get_env(:pleroma, :ostatus)
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
def websub_subscription_confirmation(conn, %{"id" => id, "hub.mode" => "subscribe", "hub.challenge" => challenge, "hub.topic" => topic}) do
with %WebsubClientSubscription{} = websub <- Repo.get_by(WebsubClientSubscription, id: id, topic: topic) do
change = Ecto.Changeset.change(websub, %{state: "accepted"})
{: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
@ostatus.handle_incoming(body)
conn
|> send_resp(200, "OK")
else _e ->
Logger.debug("Can't handle incoming subscription post")
conn
|> send_resp(500, "Error")
end
end
end
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