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29 lines
895 B
Elixir
29 lines
895 B
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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alias Pleroma.Web.OAuth
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@behaviour Plug
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def init(%{required_scopes: _} = options), do: options
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def call(%Plug.Conn{assigns: assigns} = conn, %{required_scopes: required_scopes}) do
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token = assigns[:token]
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granted_scopes = token && OAuth.parse_scopes(token.scope)
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if is_nil(token) || required_scopes -- granted_scopes == [] do
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conn
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else
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missing_scopes = required_scopes -- granted_scopes
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error_message = "Insufficient permissions: #{Enum.join(missing_scopes, ", ")}."
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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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