# Pleroma: A lightweight social networking server # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Uploaders.S3 do @behaviour Pleroma.Uploaders.Uploader require Logger # The file name is re-encoded with S3's constraints here to comply with previous # links with less strict filenames def get_file(file) do config = Pleroma.Config.get([__MODULE__]) bucket = Keyword.fetch!(config, :bucket) bucket_with_namespace = if namespace = Keyword.get(config, :bucket_namespace) do namespace <> ":" <> bucket else bucket end {:ok, {:url, Path.join([ Keyword.fetch!(config, :public_endpoint), bucket_with_namespace, strict_encode(URI.decode(file)) ])}} end def put_file(%Pleroma.Upload{} = upload) do config = Pleroma.Config.get([__MODULE__]) bucket = Keyword.get(config, :bucket) {:ok, file_data} = File.read(upload.tempfile) s3_name = strict_encode(upload.path) op = ExAws.S3.put_object(bucket, s3_name, file_data, [ {:acl, :public_read}, {:content_type, upload.content_type} ]) case ExAws.request(op) do {:ok, _} -> {:ok, {:file, s3_name}} error -> Logger.error("#{__MODULE__}: #{inspect(error)}") {:error, "S3 Upload failed"} end end @regex Regex.compile!("[^0-9a-zA-Z!.*/'()_-]") def strict_encode(name) do String.replace(name, @regex, "-") end end