git.squeep.com Git - akkoma/blob - lib/pleroma/http/http.ex

   1 defmodule Pleroma.HTTP do
   2   @moduledoc """
   3
   4   """
   5
   6   alias Pleroma.HTTP.Connection
   7   alias Pleroma.HTTP.RequestBuilder, as: Builder
   8
   9   @doc """
  10   Builds and perform http request.
  11
  12   # Arguments:
  13   `method` - :get, :post, :put, :delete
  14   `url`
  15   `body`
  16   `headers` - a keyworld list of headers, e.g. `[{"content-type", "text/plain"}]`
  17   `options` - custom, per-request middleware or adapter options
  18
  19   # Returns:
  20   `{:ok, %Tesla.Env{}}` or `{:error, error}`
  21
  22   """
  23   def request(method, url, body \\ "", headers \\ [], options \\ []) do
  24     options =
  25       process_request_options(options)
  26       |> process_sni_options(url)
  27
  28     %{}
  29     |> Builder.method(method)
  30     |> Builder.headers(headers)
  31     |> Builder.opts(options)
  32     |> Builder.url(url)
  33     |> Builder.add_param(:body, :body, body)
  34     |> Enum.into([])
  35     |> (&Tesla.request(Connection.new(), &1)).()
  36   end
  37
  38   defp process_sni_options(options, nil), do: options
  39
  40   defp process_sni_options(options, url) do
  41     uri = URI.parse(url)
  42     host = uri.host |> to_charlist()
  43
  44     case uri.scheme do
  45       "https" -> options ++ [ssl: [server_name_indication: host]]
  46       _ -> options
  47     end
  48   end
  49
  50   def process_request_options(options) do
  51     config = Application.get_env(:pleroma, :http, [])
  52     proxy = Keyword.get(config, :proxy_url, nil)
  53     options = options ++ [adapter: [pool: :default]]
  54
  55     case proxy do
  56       nil -> options
  57       _ -> options ++ [proxy: proxy]
  58     end
  59   end
  60
  61   @doc """
  62   Performs GET request.
  63
  64   See `Pleroma.HTTP.request/5`
  65   """
  66   def get(url, headers \\ [], options \\ []),
  67     do: request(:get, url, "", headers, options)
  68
  69   @doc """
  70   Performs POST request.
  71
  72   See `Pleroma.HTTP.request/5`
  73   """
  74   def post(url, body, headers \\ [], options \\ []),
  75     do: request(:post, url, body, headers, options)
  76 end