48 lines
1.3 KiB
Elixir
48 lines
1.3 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.Keys
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.ActivityPub.ActivityPub
|
|
|
|
def key_id_to_actor_id(key_id) do
|
|
URI.parse(key_id)
|
|
|> Map.put(:fragment, nil)
|
|
|> URI.to_string()
|
|
end
|
|
|
|
def fetch_public_key(conn) do
|
|
with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn),
|
|
actor_id <- key_id_to_actor_id(kid),
|
|
{: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 %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn),
|
|
actor_id <- key_id_to_actor_id(kid),
|
|
{: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}}} <- User.ensure_keys_present(user),
|
|
{:ok, private_key, _} <- Keys.keys_from_pem(keys) do
|
|
HTTPSignatures.sign(private_key, user.ap_id <> "#main-key", headers)
|
|
end
|
|
end
|
|
end
|