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|
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.HTTP.Connection do
@moduledoc """
Configure Tesla.Client with default and customized adapter options.
"""
alias Pleroma.Config
alias Pleroma.HTTP.AdapterHelper
require Logger
@defaults [pool: :federation]
@type ip_address :: ipv4_address() | ipv6_address()
@type ipv4_address :: {0..255, 0..255, 0..255, 0..255}
@type ipv6_address ::
{0..65_535, 0..65_535, 0..65_535, 0..65_535, 0..65_535, 0..65_535, 0..65_535, 0..65_535}
@type proxy_type() :: :socks4 | :socks5
@type host() :: charlist() | ip_address()
@doc """
Merge default connection & adapter options with received ones.
"""
@spec options(URI.t(), keyword()) :: keyword()
def options(%URI{} = uri, opts \\ []) do
@defaults
|> pool_timeout()
|> Keyword.merge(opts)
|> adapter_helper().options(uri)
end
defp pool_timeout(opts) do
{config_key, default} =
if adapter() == Tesla.Adapter.Gun do
{:pools, Config.get([:pools, :default, :timeout])}
else
{:hackney_pools, 10_000}
end
timeout = Config.get([config_key, opts[:pool], :timeout], default)
Keyword.merge(opts, timeout: timeout)
end
@spec after_request(keyword()) :: :ok
def after_request(opts), do: adapter_helper().after_request(opts)
defp adapter, do: Application.get_env(:tesla, :adapter)
defp adapter_helper do
case adapter() do
Tesla.Adapter.Gun -> AdapterHelper.Gun
Tesla.Adapter.Hackney -> AdapterHelper.Hackney
_ -> AdapterHelper
end
end
@spec parse_proxy(String.t() | tuple() | nil) ::
{:ok, host(), pos_integer()}
| {:ok, proxy_type(), host(), pos_integer()}
| {:error, atom()}
| nil
def parse_proxy(nil), do: nil
def parse_proxy(proxy) when is_binary(proxy) do
with [host, port] <- String.split(proxy, ":"),
{port, ""} <- Integer.parse(port) do
{:ok, parse_host(host), port}
else
{_, _} ->
Logger.warn("Parsing port failed #{inspect(proxy)}")
{:error, :invalid_proxy_port}
:error ->
Logger.warn("Parsing port failed #{inspect(proxy)}")
{:error, :invalid_proxy_port}
_ ->
Logger.warn("Parsing proxy failed #{inspect(proxy)}")
{:error, :invalid_proxy}
end
end
def parse_proxy(proxy) when is_tuple(proxy) do
with {type, host, port} <- proxy do
{:ok, type, parse_host(host), port}
else
_ ->
Logger.warn("Parsing proxy failed #{inspect(proxy)}")
{:error, :invalid_proxy}
end
end
@spec parse_host(String.t() | atom() | charlist()) :: charlist() | ip_address()
def parse_host(host) when is_list(host), do: host
def parse_host(host) when is_atom(host), do: to_charlist(host)
def parse_host(host) when is_binary(host) do
host = to_charlist(host)
case :inet.parse_address(host) do
{:error, :einval} -> host
{:ok, ip} -> ip
end
end
@spec format_host(String.t()) :: charlist()
def format_host(host) do
host_charlist = to_charlist(host)
case :inet.parse_address(host_charlist) do
{:error, :einval} ->
:idna.encode(host_charlist)
{:ok, _ip} ->
host_charlist
end
end
end
|
