diff options
Diffstat (limited to 'lib/pleroma/reverse_proxy')
| -rw-r--r-- | lib/pleroma/reverse_proxy/client.ex | 26 | ||||
| -rw-r--r-- | lib/pleroma/reverse_proxy/client/hackney.ex | 24 | ||||
| -rw-r--r-- | lib/pleroma/reverse_proxy/client/tesla.ex | 87 | ||||
| -rw-r--r-- | lib/pleroma/reverse_proxy/reverse_proxy.ex | 20 |
4 files changed, 136 insertions, 21 deletions
diff --git a/lib/pleroma/reverse_proxy/client.ex b/lib/pleroma/reverse_proxy/client.ex index 776c4794c..63261b94c 100644 --- a/lib/pleroma/reverse_proxy/client.ex +++ b/lib/pleroma/reverse_proxy/client.ex @@ -3,19 +3,23 @@ # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.ReverseProxy.Client do - @callback request(atom(), String.t(), [tuple()], String.t(), list()) :: - {:ok, pos_integer(), [tuple()], reference() | map()} - | {:ok, pos_integer(), [tuple()]} + @type status :: pos_integer() + @type header_name :: String.t() + @type header_value :: String.t() + @type headers :: [{header_name(), header_value()}] + + @callback request(atom(), String.t(), headers(), String.t(), list()) :: + {:ok, status(), headers(), reference() | map()} + | {:ok, status(), headers()} | {:ok, reference()} | {:error, term()} - @callback stream_body(reference() | pid() | map()) :: - {:ok, binary()} | :done | {:error, String.t()} + @callback stream_body(map()) :: {:ok, binary(), map()} | :done | {:error, atom() | String.t()} @callback close(reference() | pid() | map()) :: :ok - def request(method, url, headers, "", opts \\ []) do - client().request(method, url, headers, "", opts) + def request(method, url, headers, body \\ "", opts \\ []) do + client().request(method, url, headers, body, opts) end def stream_body(ref), do: client().stream_body(ref) @@ -23,6 +27,12 @@ defmodule Pleroma.ReverseProxy.Client do def close(ref), do: client().close(ref) defp client do - Pleroma.Config.get([Pleroma.ReverseProxy.Client], :hackney) + :tesla + |> Application.get_env(:adapter) + |> client() end + + defp client(Tesla.Adapter.Hackney), do: Pleroma.ReverseProxy.Client.Hackney + defp client(Tesla.Adapter.Gun), do: Pleroma.ReverseProxy.Client.Tesla + defp client(_), do: Pleroma.Config.get!(Pleroma.ReverseProxy.Client) end diff --git a/lib/pleroma/reverse_proxy/client/hackney.ex b/lib/pleroma/reverse_proxy/client/hackney.ex new file mode 100644 index 000000000..e41560ab0 --- /dev/null +++ b/lib/pleroma/reverse_proxy/client/hackney.ex @@ -0,0 +1,24 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.ReverseProxy.Client.Hackney do + @behaviour Pleroma.ReverseProxy.Client + + @impl true + def request(method, url, headers, body, opts \\ []) do + :hackney.request(method, url, headers, body, opts) + end + + @impl true + def stream_body(ref) do + case :hackney.stream_body(ref) do + :done -> :done + {:ok, data} -> {:ok, data, ref} + {:error, error} -> {:error, error} + end + end + + @impl true + def close(ref), do: :hackney.close(ref) +end diff --git a/lib/pleroma/reverse_proxy/client/tesla.ex b/lib/pleroma/reverse_proxy/client/tesla.ex new file mode 100644 index 000000000..55a11b4a8 --- /dev/null +++ b/lib/pleroma/reverse_proxy/client/tesla.ex @@ -0,0 +1,87 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.ReverseProxy.Client.Tesla do + @type headers() :: [{String.t(), String.t()}] + @type status() :: pos_integer() + + @behaviour Pleroma.ReverseProxy.Client + + @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 + _adapter = check_adapter() + + with opts <- Keyword.merge(opts, body_as: :chunks, mode: :passive), + {: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 + {: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 + def stream_body(%{pid: pid, opts: opts, fin: true}) do + # if connection was sended and there were redirects, we need to close new conn - pid manually + if opts[:old_conn], do: Tesla.Adapter.Gun.close(pid) + # if there were redirects we need to checkout old conn + conn = opts[:old_conn] || opts[:conn] + + if conn, do: :ok = Pleroma.Pool.Connections.checkout(conn, self(), :gun_connections) + + :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 + adapter = check_adapter() + adapter.close(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 diff --git a/lib/pleroma/reverse_proxy/reverse_proxy.ex b/lib/pleroma/reverse_proxy/reverse_proxy.ex index 2ed719315..9f5710c92 100644 --- a/lib/pleroma/reverse_proxy/reverse_proxy.ex +++ b/lib/pleroma/reverse_proxy/reverse_proxy.ex @@ -3,8 +3,6 @@ # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.ReverseProxy do - alias Pleroma.HTTP - @keep_req_headers ~w(accept user-agent accept-encoding cache-control if-modified-since) ++ ~w(if-unmodified-since if-none-match if-range range) @resp_cache_headers ~w(etag date last-modified cache-control) @@ -61,10 +59,10 @@ defmodule Pleroma.ReverseProxy do * `req_headers`, `resp_headers` additional headers. - * `http`: options for [hackney](https://github.com/benoitc/hackney). + * `http`: options for [gun](https://github.com/ninenines/gun). """ - @default_hackney_options [pool: :media] + @default_options [pool: :media] @inline_content_types [ "image/gif", @@ -97,11 +95,7 @@ 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) @@ -113,7 +107,7 @@ 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, @@ -159,11 +153,11 @@ 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} @@ -213,7 +207,7 @@ 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 <- |