Improved missing "scopes" param handling. Allowed "any of" / "all of" mode specification in OAuthScopesPlug. Fixed auth UI / behavior when user selects no permissions at /oauth/authorize.
		
			
				
	
	
		
			41 lines
		
	
	
	
		
			1 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
	
		
			1 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.Plugs.OAuthScopesPlug do
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  import Plug.Conn
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  @behaviour Plug
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  def init(%{scopes: _} = options), do: options
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  def call(%Plug.Conn{assigns: assigns} = conn, %{scopes: scopes} = options) do
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    op = options[:op] || :|
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    token = assigns[:token]
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    cond do
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      is_nil(token) ->
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        conn
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      op == :| && scopes -- token.scopes != scopes ->
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        conn
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      op == :& && scopes -- token.scopes == [] ->
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        conn
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      options[:fallback] == :proceed_unauthenticated ->
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        conn
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        |> assign(:user, nil)
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        |> assign(:token, nil)
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      true ->
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        missing_scopes = scopes -- token.scopes
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        error_message = "Insufficient permissions: #{Enum.join(missing_scopes, " #{op} ")}."
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        conn
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        |> put_resp_content_type("application/json")
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        |> send_resp(403, Jason.encode!(%{error: error_message}))
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        |> halt()
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    end
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  end
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end
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