74 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			74 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.Uploaders.S3 do
 | |
|   @behaviour Pleroma.Uploaders.Uploader
 | |
|   require Logger
 | |
| 
 | |
|   alias Pleroma.Config
 | |
| 
 | |
|   # The file name is re-encoded with S3's constraints here to comply with previous
 | |
|   # links with less strict filenames
 | |
|   @impl true
 | |
|   def get_file(file) do
 | |
|     {:ok,
 | |
|      {:url,
 | |
|       Path.join([
 | |
|         Pleroma.Upload.base_url(),
 | |
|         strict_encode(URI.decode(file))
 | |
|       ])}}
 | |
|   end
 | |
| 
 | |
|   @impl true
 | |
|   def put_file(%Pleroma.Upload{} = upload) do
 | |
|     config = Config.get([__MODULE__])
 | |
|     bucket = Keyword.get(config, :bucket)
 | |
|     streaming = Keyword.get(config, :streaming_enabled)
 | |
| 
 | |
|     s3_name = strict_encode(upload.path)
 | |
| 
 | |
|     op =
 | |
|       if streaming do
 | |
|         upload.tempfile
 | |
|         |> ExAws.S3.Upload.stream_file()
 | |
|         |> ExAws.S3.upload(bucket, s3_name, [
 | |
|           {:acl, :public_read},
 | |
|           {:content_type, upload.content_type}
 | |
|         ])
 | |
|       else
 | |
|         {:ok, file_data} = File.read(upload.tempfile)
 | |
| 
 | |
|         ExAws.S3.put_object(bucket, s3_name, file_data, [
 | |
|           {:acl, :public_read},
 | |
|           {:content_type, upload.content_type}
 | |
|         ])
 | |
|       end
 | |
| 
 | |
|     case ExAws.request(op) do
 | |
|       {:ok, _} ->
 | |
|         {:ok, {:file, s3_name}}
 | |
| 
 | |
|       error ->
 | |
|         Logger.error("#{__MODULE__}: #{inspect(error)}")
 | |
|         {:error, "S3 Upload failed"}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   @impl true
 | |
|   def delete_file(file) do
 | |
|     [__MODULE__, :bucket]
 | |
|     |> Config.get()
 | |
|     |> ExAws.S3.delete_object(file)
 | |
|     |> ExAws.request()
 | |
|     |> case do
 | |
|       {:ok, %{status_code: 204}} -> :ok
 | |
|       error -> {:error, inspect(error)}
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   @regex Regex.compile!("[^0-9a-zA-Z!.*/'()_-]")
 | |
|   def strict_encode(name) do
 | |
|     String.replace(name, @regex, "-")
 | |
|   end
 | |
| end
 | 
