40 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
	
		
			1.2 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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  alias Pleroma.Web.ActivityPub.Utils
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  def fetch_public_key(conn) do
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    with actor_id <- Utils.get_ap_id(conn.params["actor"]),
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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 actor_id <- Utils.get_ap_id(conn.params["actor"]),
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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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