akkoma/lib/pleroma/http/http.ex

93 lines
2.1 KiB
Elixir

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