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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.HTTP.AdapterHelper.Hackney do
   6   @behaviour Pleroma.HTTP.AdapterHelper
   7
   8   @defaults [
   9     follow_redirect: true,
  10     force_redirect: true
  11   ]
  12
  13   @spec options(keyword(), URI.t()) :: keyword()
  14   def options(connection_opts \\ [], %URI{} = uri) do
  15     proxy = Pleroma.Config.get([:http, :proxy_url])
  16
  17     config_opts = Pleroma.Config.get([:http, :adapter], [])
  18
  19     @defaults
  20     |> Keyword.merge(config_opts)
  21     |> Keyword.merge(connection_opts)
  22     |> add_scheme_opts(uri)
  23     |> maybe_add_with_body()
  24     |> Pleroma.HTTP.AdapterHelper.maybe_add_proxy(proxy)
  25   end
  26
  27   defp add_scheme_opts(opts, %URI{scheme: "https"}) do
  28     Keyword.put(opts, :ssl_options, versions: [:"tlsv1.3", :"tlsv1.2", :"tlsv1.1", :tlsv1])
  29   end
  30
  31   defp add_scheme_opts(opts, _), do: opts
  32
  33   defp maybe_add_with_body(opts) do
  34     if opts[:max_body] do
  35       Keyword.put(opts, :with_body, true)
  36     else
  37       opts
  38     end
  39   end
  40 end