pleroma/lib/pleroma/reverse_proxy/client/tesla.ex

61 lines
1.6 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-onl
defmodule Pleroma.ReverseProxy.Client.Tesla do
@behaviour Pleroma.ReverseProxy.Client
@adapters [Tesla.Adapter.Gun]
def request(method, url, headers, body, opts \\ []) do
adapter_opts =
Keyword.get(opts, :adapter, [])
|> Keyword.put(:body_as, :chunks)
with {:ok, response} <-
Pleroma.HTTP.request(
method,
url,
body,
headers,
Keyword.put(opts, :adapter, adapter_opts)
) do
if is_map(response.body),
do: {:ok, response.status, response.headers, response.body},
else: {:ok, response.status, response.headers}
else
{:error, error} -> {:error, error}
end
end
def stream_body(%{fin: true}), do: :done
def stream_body(client) do
case read_chunk!(client) do
{:fin, body} -> {:ok, body, Map.put(client, :fin, true)}
{:nofin, part} -> {:ok, part, client}
{:error, error} -> {:error, error}
end
end
defp read_chunk!(%{pid: pid, stream: stream, opts: opts}) do
adapter = Application.get_env(:tesla, :adapter)
unless adapter in @adapters do
raise "#{adapter} doesn't support reading body in chunks"
end
adapter.read_chunk(pid, stream, opts)
end
def close(pid) do
adapter = Application.get_env(:tesla, :adapter)
unless adapter in @adapters do
raise "#{adapter} doesn't support closing connection"
end
adapter.close(pid)
end
end