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f84fb340b7
Almost all AP servers return their key ID as the actor URI with #main-key added. Hubzilla, which doesn't, uses a URL which refers to the actor anyway, so worst case, Hubzilla users get refetched.
48 lines
1.3 KiB
Elixir
48 lines
1.3 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.Signature do
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@behaviour HTTPSignatures.Adapter
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alias Pleroma.Keys
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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defp key_id_to_actor_id(key_id) do
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URI.parse(key_id)
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|> Map.put(:fragment, nil)
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|> URI.to_string()
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end
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def fetch_public_key(conn) do
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with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn),
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actor_id <- key_id_to_actor_id(kid),
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{:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
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{:ok, public_key}
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else
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e ->
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{:error, e}
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end
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end
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def refetch_public_key(conn) do
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with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn),
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actor_id <- key_id_to_actor_id(kid),
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{:ok, _user} <- ActivityPub.make_user_from_ap_id(actor_id),
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{:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
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{:ok, public_key}
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else
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e ->
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{:error, e}
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end
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end
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def sign(%User{} = user, headers) do
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with {:ok, %{info: %{keys: keys}}} <- User.ensure_keys_present(user),
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{:ok, private_key, _} <- Keys.keys_from_pem(keys) do
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HTTPSignatures.sign(private_key, user.ap_id <> "#main-key", headers)
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end
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end
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end
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