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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.HTTP.AdapterHelper.Gun do
   6   @behaviour Pleroma.HTTP.AdapterHelper
   7
   8   alias Pleroma.Gun.ConnectionPool
   9   alias Pleroma.HTTP.AdapterHelper
  10
  11   require Logger
  12
  13   @defaults [
  14     connect_timeout: 5_000,
  15     domain_lookup_timeout: 5_000,
  16     tls_handshake_timeout: 5_000,
  17     retry: 1,
  18     retry_timeout: 1000,
  19     await_up_timeout: 5_000
  20   ]
  21
  22   @spec options(keyword(), URI.t()) :: keyword()
  23   def options(incoming_opts \\ [], %URI{} = uri) do
  24     proxy =
  25       Pleroma.Config.get([:http, :proxy_url])
  26       |> AdapterHelper.format_proxy()
  27
  28     config_opts = Pleroma.Config.get([:http, :adapter], [])
  29
  30     @defaults
  31     |> Keyword.merge(config_opts)
  32     |> add_scheme_opts(uri)
  33     |> AdapterHelper.maybe_add_proxy(proxy)
  34     |> Keyword.merge(incoming_opts)
  35   end
  36
  37   defp add_scheme_opts(opts, %{scheme: "http"}), do: opts
  38
  39   defp add_scheme_opts(opts, %{scheme: "https"}) do
  40     opts
  41     |> Keyword.put(:certificates_verification, true)
  42     |> Keyword.put(:tls_opts, log_level: :warning)
  43   end
  44
  45   @spec get_conn(URI.t(), keyword()) :: {:ok, keyword()} | {:error, atom()}
  46   def get_conn(uri, opts) do
  47     case ConnectionPool.get_conn(uri, opts) do
  48       {:ok, conn_pid} -> {:ok, Keyword.merge(opts, conn: conn_pid, close_conn: false)}
  49       err -> err
  50     end
  51   end
  52 end