Pleroma/lib/pleroma/signature.ex
2019-05-14 20:03:13 +00:00

42 lines
1.2 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Signature do
@behaviour HTTPSignatures.Adapter
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.Salmon
alias Pleroma.Web.WebFinger
def fetch_public_key(conn) do
with actor_id <- Utils.get_ap_id(conn.params["actor"]),
{:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
{:ok, public_key}
else
e ->
{:error, e}
end
end
def refetch_public_key(conn) do
with actor_id <- Utils.get_ap_id(conn.params["actor"]),
{:ok, _user} <- ActivityPub.make_user_from_ap_id(actor_id),
{:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
{:ok, public_key}
else
e ->
{:error, e}
end
end
def sign(%User{} = user, headers) do
with {:ok, %{info: %{keys: keys}}} <- WebFinger.ensure_keys_present(user),
{:ok, private_key, _} <- Salmon.keys_from_pem(keys) do
HTTPSignatures.sign(private_key, user.ap_id <> "#main-key", headers)
end
end
end