1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.ReverseProxy.Client.Tesla do
@behaviour Pleroma.ReverseProxy.Client
alias Pleroma.Gun.ConnectionPool
@type headers() :: [{String.t(), String.t()}]
@type status() :: pos_integer()
@spec request(atom(), String.t(), headers(), String.t(), keyword()) ::
{:ok, status(), headers}
| {:ok, status(), headers, map()}
| {:error, atom() | String.t()}
| no_return()
@impl true
def request(method, url, headers, body, opts \\ []) do
check_adapter()
opts = Keyword.put(opts, :body_as, :chunks)
with {:ok, response} <-
Pleroma.HTTP.request(
method,
url,
body,
headers,
Keyword.put(opts, :adapter, opts)
) do
if is_map(response.body) and method != :head do
{:ok, response.status, response.headers, response.body}
else
conn_pid = response.opts[:adapter][:conn]
ConnectionPool.release_conn(conn_pid)
{:ok, response.status, response.headers}
end
else
{:error, error} -> {:error, error}
end
end
@impl true
@spec stream_body(map()) ::
{:ok, binary(), map()} | {:error, atom() | String.t()} | :done | no_return()
def stream_body(%{pid: pid, fin: true}) do
ConnectionPool.release_conn(pid)
:done
end
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 = check_adapter()
adapter.read_chunk(pid, stream, opts)
end
@impl true
@spec close(map) :: :ok | no_return()
def close(%{pid: pid}) do
ConnectionPool.release_conn(pid)
end
defp check_adapter do
adapter = Application.get_env(:tesla, :adapter)
unless adapter == Tesla.Adapter.Gun do
raise "#{adapter} doesn't support reading body in chunks"
end
adapter
end
end
|
