100 lines
2.7 KiB
Elixir
100 lines
2.7 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Websub.WebsubController do
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use Pleroma.Web, :controller
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alias Pleroma.Repo
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alias Pleroma.User
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alias Pleroma.Web.Websub
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alias Pleroma.Web.Federator
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alias Pleroma.Web.Websub.WebsubClientSubscription
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require Logger
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plug(
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Pleroma.Web.FederatingPlug
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when action in [
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:websub_subscription_request,
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:websub_subscription_confirmation,
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:websub_incoming
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]
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)
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def websub_subscription_request(conn, %{"nickname" => nickname} = params) do
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user = User.get_cached_by_nickname(nickname)
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with {:ok, _websub} <- Websub.incoming_subscription_request(user, params) do
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conn
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|> send_resp(202, "Accepted")
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else
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{:error, reason} ->
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conn
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|> send_resp(500, reason)
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end
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end
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# TODO: Extract this into the Websub module
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def websub_subscription_confirmation(
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conn,
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%{
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"id" => id,
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"hub.mode" => "subscribe",
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"hub.challenge" => challenge,
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"hub.topic" => topic
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} = params
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) do
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Logger.debug("Got WebSub confirmation")
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Logger.debug(inspect(params))
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lease_seconds =
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if params["hub.lease_seconds"] do
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String.to_integer(params["hub.lease_seconds"])
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else
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# Guess 3 days
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60 * 60 * 24 * 3
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end
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with %WebsubClientSubscription{} = websub <-
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Repo.get_by(WebsubClientSubscription, id: id, topic: topic) do
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valid_until = NaiveDateTime.add(NaiveDateTime.utc_now(), lease_seconds)
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change = Ecto.Changeset.change(websub, %{state: "accepted", valid_until: valid_until})
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{:ok, _websub} = Repo.update(change)
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conn
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|> send_resp(200, challenge)
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else
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_e ->
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conn
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|> send_resp(500, "Error")
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end
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end
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def websub_subscription_confirmation(conn, params) do
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Logger.info("Invalid WebSub confirmation request: #{inspect(params)}")
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conn
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|> send_resp(500, "Invalid parameters")
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end
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def websub_incoming(conn, %{"id" => id}) do
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with "sha1=" <> signature <- hd(get_req_header(conn, "x-hub-signature")),
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signature <- String.downcase(signature),
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%WebsubClientSubscription{} = websub <- Repo.get(WebsubClientSubscription, id),
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{:ok, body, _conn} = read_body(conn),
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^signature <- Websub.sign(websub.secret, body) do
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Federator.incoming_doc(body)
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conn
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|> send_resp(200, "OK")
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else
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_e ->
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Logger.debug("Can't handle incoming subscription post")
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conn
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|> send_resp(500, "Error")
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end
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end
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end
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