31 lines
		
	
	
	
		
			836 B
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
	
		
			836 B
		
	
	
	
		
			Elixir
		
	
	
	
	
	
# Akkoma: Magically expressive social media
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# Copyright © 2022-2022 Akkoma Authors <https://akkoma.dev/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Plugs.EnsureHTTPSignaturePlug do
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  @moduledoc """
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  Ensures HTTP signature has been validated by previous plugs on ActivityPub requests.
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  """
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  import Plug.Conn
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  import Phoenix.Controller, only: [get_format: 1, text: 2]
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  alias Pleroma.Config
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  def init(options) do
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    options
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  end
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  def call(%{assigns: %{valid_signature: true}} = conn, _), do: conn
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  def call(conn, _) do
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    with true <- get_format(conn) in ["json", "activity+json"],
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         true <- Config.get([:activitypub, :authorized_fetch_mode], true) do
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      conn
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      |> put_status(:unauthorized)
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      |> text("Request not signed")
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      |> halt()
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    else
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      _ -> conn
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    end
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  end
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end
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