diff options
Diffstat (limited to 'lib/pleroma/reverse_proxy/reverse_proxy.ex')
| -rw-r--r-- | lib/pleroma/reverse_proxy/reverse_proxy.ex | 79 |
1 files changed, 47 insertions, 32 deletions
diff --git a/lib/pleroma/reverse_proxy/reverse_proxy.ex b/lib/pleroma/reverse_proxy/reverse_proxy.ex index 8b713b8f4..0de4e2309 100644 --- a/lib/pleroma/reverse_proxy/reverse_proxy.ex +++ b/lib/pleroma/reverse_proxy/reverse_proxy.ex @@ -3,14 +3,13 @@ # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.ReverseProxy do - alias Pleroma.HTTP - + @range_headers ~w(range if-range) @keep_req_headers ~w(accept user-agent accept-encoding cache-control if-modified-since) ++ - ~w(if-unmodified-since if-none-match if-range range) + ~w(if-unmodified-since if-none-match) ++ @range_headers @resp_cache_headers ~w(etag date last-modified) @keep_resp_headers @resp_cache_headers ++ - ~w(content-type content-disposition content-encoding content-range) ++ - ~w(accept-ranges vary) + ~w(content-length content-type content-disposition content-encoding) ++ + ~w(content-range accept-ranges vary) @default_cache_control_header "public, max-age=1209600" @valid_resp_codes [200, 206, 304] @max_read_duration :timer.seconds(30) @@ -58,10 +57,10 @@ defmodule Pleroma.ReverseProxy do * `req_headers`, `resp_headers` additional headers. - * `http`: options for [hackney](https://github.com/benoitc/hackney). + * `http`: options for [hackney](https://github.com/benoitc/hackney) or [gun](https://github.com/ninenines/gun). """ - @default_hackney_options [pool: :media] + @default_options [pool: :media] @inline_content_types [ "image/gif", @@ -94,11 +93,7 @@ defmodule Pleroma.ReverseProxy do def call(_conn, _url, _opts \\ []) def call(conn = %{method: method}, url, opts) when method in @methods do - hackney_opts = - Pleroma.HTTP.Connection.hackney_options([]) - |> Keyword.merge(@default_hackney_options) - |> Keyword.merge(Keyword.get(opts, :http, [])) - |> HTTP.process_request_options() + client_opts = Keyword.merge(@default_options, Keyword.get(opts, :http, [])) req_headers = build_req_headers(conn.req_headers, opts) @@ -110,7 +105,7 @@ defmodule Pleroma.ReverseProxy do end with {:ok, nil} <- Cachex.get(:failed_proxy_url_cache, url), - {:ok, code, headers, client} <- request(method, url, req_headers, hackney_opts), + {:ok, code, headers, client} <- request(method, url, req_headers, client_opts), :ok <- header_length_constraint( headers, @@ -156,11 +151,11 @@ defmodule Pleroma.ReverseProxy do |> halt() end - defp request(method, url, headers, hackney_opts) do + defp request(method, url, headers, opts) do Logger.debug("#{__MODULE__} #{method} #{url} #{inspect(headers)}") method = method |> String.downcase() |> String.to_existing_atom() - case client().request(method, url, headers, "", hackney_opts) do + case client().request(method, url, headers, "", opts) do {:ok, code, headers, client} when code in @valid_resp_codes -> {:ok, code, downcase_headers(headers), client} @@ -170,12 +165,17 @@ defmodule Pleroma.ReverseProxy do {:ok, code, _, _} -> {:error, {:invalid_http_response, code}} + {:ok, code, _} -> + {:error, {:invalid_http_response, code}} + {:error, error} -> {:error, error} end end defp response(conn, client, url, status, headers, opts) do + Logger.debug("#{__MODULE__} #{status} #{url} #{inspect(headers)}") + result = conn |> put_resp_headers(build_resp_headers(headers, opts)) @@ -210,7 +210,7 @@ defmodule Pleroma.ReverseProxy do duration, Keyword.get(opts, :max_read_duration, @max_read_duration) ), - {:ok, data} <- client().stream_body(client), + {:ok, data, client} <- client().stream_body(client), {:ok, duration} <- increase_read_duration(duration), sent_so_far = sent_so_far + byte_size(data), :ok <- @@ -226,7 +226,9 @@ defmodule Pleroma.ReverseProxy do end end - defp head_response(conn, _url, code, headers, opts) do + defp head_response(conn, url, code, headers, opts) do + Logger.debug("#{__MODULE__} #{code} #{url} #{inspect(headers)}") + conn |> put_resp_headers(build_resp_headers(headers, opts)) |> send_resp(code, "") @@ -268,20 +270,33 @@ defmodule Pleroma.ReverseProxy do headers |> downcase_headers() |> Enum.filter(fn {k, _} -> k in @keep_req_headers end) - |> (fn headers -> - headers = headers ++ Keyword.get(opts, :req_headers, []) - - if Keyword.get(opts, :keep_user_agent, false) do - List.keystore( - headers, - "user-agent", - 0, - {"user-agent", Pleroma.Application.user_agent()} - ) - else - headers - end - end).() + |> build_req_range_or_encoding_header(opts) + |> build_req_user_agent_header(opts) + |> Keyword.merge(Keyword.get(opts, :req_headers, [])) + end + + # Disable content-encoding if any @range_headers are requested (see #1823). + defp build_req_range_or_encoding_header(headers, _opts) do + range? = Enum.any?(headers, fn {header, _} -> Enum.member?(@range_headers, header) end) + + if range? && List.keymember?(headers, "accept-encoding", 0) do + List.keydelete(headers, "accept-encoding", 0) + else + headers + end + end + + defp build_req_user_agent_header(headers, opts) do + if Keyword.get(opts, :keep_user_agent, false) do + List.keystore( + headers, + "user-agent", + 0, + {"user-agent", Pleroma.Application.user_agent()} + ) + else + headers + end end defp build_resp_headers(headers, opts) do @@ -289,7 +304,7 @@ defmodule Pleroma.ReverseProxy do |> Enum.filter(fn {k, _} -> k in @keep_resp_headers end) |> build_resp_cache_headers(opts) |> build_resp_content_disposition_header(opts) - |> (fn headers -> headers ++ Keyword.get(opts, :resp_headers, []) end).() + |> Keyword.merge(Keyword.get(opts, :resp_headers, [])) end defp build_resp_cache_headers(headers, _opts) do |