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102 lines
2.7 KiB
Elixir
102 lines
2.7 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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defmodule Pleroma.Uploaders.S3 do
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@behaviour Pleroma.Uploaders.Uploader
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require Logger
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alias Pleroma.Config
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# The file name is re-encoded with S3's constraints here to comply with previous
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# links with less strict filenames
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@impl true
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def get_file(file) do
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config = Config.get([__MODULE__])
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bucket = Keyword.fetch!(config, :bucket)
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bucket_with_namespace =
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cond do
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truncated_namespace = Keyword.get(config, :truncated_namespace) ->
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truncated_namespace
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namespace = Keyword.get(config, :bucket_namespace) ->
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namespace <> ":" <> bucket
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true ->
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bucket
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end
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{:ok,
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{:url,
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Path.join([
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Keyword.fetch!(config, :public_endpoint),
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bucket_with_namespace,
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strict_encode(URI.decode(file))
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])}}
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end
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@impl true
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def put_file(%Pleroma.Upload{} = upload) do
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config = Config.get([__MODULE__])
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bucket = Keyword.get(config, :bucket)
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streaming = Keyword.get(config, :streaming_enabled)
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s3_name = strict_encode(upload.path)
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op =
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if streaming do
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op =
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upload.tempfile
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|> ExAws.S3.Upload.stream_file()
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|> ExAws.S3.upload(bucket, s3_name, [
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{:acl, :public_read},
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{:content_type, upload.content_type}
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])
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if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Gun do
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# set s3 upload timeout to respect :upload pool timeout
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# timeout should be slightly larger, so s3 can retry upload on fail
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timeout = Pleroma.HTTP.AdapterHelper.Gun.pool_timeout(:upload) + 1_000
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opts = Keyword.put(op.opts, :timeout, timeout)
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Map.put(op, :opts, opts)
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else
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op
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end
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else
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{:ok, file_data} = File.read(upload.tempfile)
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ExAws.S3.put_object(bucket, s3_name, file_data, [
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{:acl, :public_read},
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{:content_type, upload.content_type}
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])
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end
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case ExAws.request(op) do
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{:ok, _} ->
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{:ok, {:file, s3_name}}
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error ->
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Logger.error("#{__MODULE__}: #{inspect(error)}")
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{:error, "S3 Upload failed"}
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end
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end
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@impl true
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def delete_file(file) do
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[__MODULE__, :bucket]
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|> Config.get()
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|> ExAws.S3.delete_object(file)
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|> ExAws.request()
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|> case do
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{:ok, %{status_code: 204}} -> :ok
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error -> {:error, inspect(error)}
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end
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end
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@regex Regex.compile!("[^0-9a-zA-Z!.*/'()_-]")
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def strict_encode(name) do
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String.replace(name, @regex, "-")
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end
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end
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