 c4439c630f
			
		
	
	
		c4439c630f
		
			
		
	
	
	
	
		
			
			grep -rl '# Copyright © .* Pleroma' * | xargs sed -i 's;Copyright © .* Pleroma .*;Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>;'
		
			
				
	
	
		
			76 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
| # Pleroma: A lightweight social networking server
 | |
| # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 | |
| # SPDX-License-Identifier: AGPL-3.0-only
 | |
| 
 | |
| defmodule Pleroma.Web.OAuth.Scopes do
 | |
|   @moduledoc """
 | |
|   Functions for dealing with scopes.
 | |
|   """
 | |
| 
 | |
|   alias Pleroma.Web.Plugs.OAuthScopesPlug
 | |
| 
 | |
|   @doc """
 | |
|   Fetch scopes from request params.
 | |
| 
 | |
|   Note: `scopes` is used by Mastodon — supporting it but sticking to
 | |
|   OAuth's standard `scope` wherever we control it
 | |
|   """
 | |
|   @spec fetch_scopes(map() | struct(), list()) :: list()
 | |
| 
 | |
|   def fetch_scopes(params, default) do
 | |
|     parse_scopes(params["scope"] || params["scopes"] || params[:scopes], default)
 | |
|   end
 | |
| 
 | |
|   def parse_scopes(scopes, _default) when is_list(scopes) do
 | |
|     Enum.filter(scopes, &(&1 not in [nil, ""]))
 | |
|   end
 | |
| 
 | |
|   def parse_scopes(scopes, default) when is_binary(scopes) do
 | |
|     scopes
 | |
|     |> to_list
 | |
|     |> parse_scopes(default)
 | |
|   end
 | |
| 
 | |
|   def parse_scopes(_, default) do
 | |
|     default
 | |
|   end
 | |
| 
 | |
|   @doc """
 | |
|   Convert scopes string to list
 | |
|   """
 | |
|   @spec to_list(binary()) :: [binary()]
 | |
|   def to_list(nil), do: []
 | |
| 
 | |
|   def to_list(str) do
 | |
|     str
 | |
|     |> String.trim()
 | |
|     |> String.split(~r/[\s,]+/)
 | |
|   end
 | |
| 
 | |
|   @doc """
 | |
|   Convert scopes list to string
 | |
|   """
 | |
|   @spec to_string(list()) :: binary()
 | |
|   def to_string(scopes), do: Enum.join(scopes, " ")
 | |
| 
 | |
|   @doc """
 | |
|   Validates scopes.
 | |
|   """
 | |
|   @spec validate(list() | nil, list()) ::
 | |
|           {:ok, list()} | {:error, :missing_scopes | :unsupported_scopes}
 | |
|   def validate(blank_scopes, _app_scopes) when blank_scopes in [nil, []],
 | |
|     do: {:error, :missing_scopes}
 | |
| 
 | |
|   def validate(scopes, app_scopes) do
 | |
|     case OAuthScopesPlug.filter_descendants(scopes, app_scopes) do
 | |
|       ^scopes -> {:ok, scopes}
 | |
|       _ -> {:error, :unsupported_scopes}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   def contains_admin_scopes?(scopes) do
 | |
|     scopes
 | |
|     |> OAuthScopesPlug.filter_descendants(["admin"])
 | |
|     |> Enum.any?()
 | |
|   end
 | |
| end
 |