89 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.HTTP do
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  @moduledoc """
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  """
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  alias Pleroma.HTTP.Connection
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  alias Pleroma.HTTP.RequestBuilder, as: Builder
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  @type t :: __MODULE__
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  @doc """
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  Builds and perform http request.
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  # Arguments:
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  `method` - :get, :post, :put, :delete
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  `url`
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  `body`
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  `headers` - a keyworld list of headers, e.g. `[{"content-type", "text/plain"}]`
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  `options` - custom, per-request middleware or adapter options
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  # Returns:
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  `{:ok, %Tesla.Env{}}` or `{:error, error}`
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  """
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  def request(method, url, body \\ "", headers \\ [], options \\ []) do
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    try do
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      options =
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        process_request_options(options)
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        |> process_sni_options(url)
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      params = Keyword.get(options, :params, [])
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      %{}
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      |> Builder.method(method)
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      |> Builder.headers(headers)
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      |> Builder.opts(options)
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      |> Builder.url(url)
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      |> Builder.add_param(:body, :body, body)
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      |> Builder.add_param(:query, :query, params)
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      |> Enum.into([])
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      |> (&Tesla.request(Connection.new(options), &1)).()
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    rescue
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      e ->
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        {:error, e}
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    catch
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      :exit, e ->
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        {:error, e}
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    end
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  end
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  defp process_sni_options(options, nil), do: options
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  defp process_sni_options(options, url) do
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    uri = URI.parse(url)
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    host = uri.host |> to_charlist()
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    case uri.scheme do
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      "https" -> options ++ [ssl: [server_name_indication: host]]
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      _ -> options
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    end
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  end
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  def process_request_options(options) do
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    case Pleroma.Config.get([:http, :proxy_url]) do
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      nil -> options
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      proxy -> options ++ [proxy: proxy]
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    end
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  end
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  @doc """
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  Performs GET request.
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  See `Pleroma.HTTP.request/5`
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  """
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  def get(url, headers \\ [], options \\ []),
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    do: request(:get, url, "", headers, options)
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  @doc """
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  Performs POST request.
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  See `Pleroma.HTTP.request/5`
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  """
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  def post(url, body, headers \\ [], options \\ []),
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    do: request(:post, url, body, headers, options)
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end
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