58 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
| # Pleroma: A lightweight social networking server
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| # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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| # SPDX-License-Identifier: AGPL-3.0-only
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| 
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| defmodule Pleroma.Plugs.InstanceStatic do
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|   require Pleroma.Constants
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| 
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|   @moduledoc """
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|   This is a shim to call `Plug.Static` but with runtime `from` configuration.
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| 
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|   Mountpoints are defined directly in the module to avoid calling the configuration for every request including non-static ones.
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|   """
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|   @behaviour Plug
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| 
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|   def file_path(path) do
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|     instance_path =
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|       Path.join(Pleroma.Config.get([:instance, :static_dir], "instance/static/"), path)
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| 
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|     if File.exists?(instance_path) do
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|       instance_path
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|     else
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|       Path.join(Application.app_dir(:pleroma, "priv/static/"), path)
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|     end
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|   end
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| 
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|   def init(opts) do
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|     opts
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|     |> Keyword.put(:from, "__unconfigured_instance_static_plug")
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|     |> Keyword.put(:at, "/__unconfigured_instance_static_plug")
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|     |> Plug.Static.init()
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|   end
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| 
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|   for only <- Pleroma.Constants.static_only_files() do
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|     at = Plug.Router.Utils.split("/")
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| 
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|     def call(%{request_path: "/" <> unquote(only) <> _} = conn, opts) do
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|       call_static(
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|         conn,
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|         opts,
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|         unquote(at),
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|         Pleroma.Config.get([:instance, :static_dir], "instance/static")
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|       )
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|     end
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|   end
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| 
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|   def call(conn, _) do
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|     conn
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|   end
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| 
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|   defp call_static(conn, opts, at, from) do
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|     opts =
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|       opts
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|       |> Map.put(:from, from)
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|       |> Map.put(:at, at)
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| 
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|     Plug.Static.call(conn, opts)
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|   end
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| end
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