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# 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(upload = %Pleroma.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
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