109 lines
3.0 KiB
Elixir
109 lines
3.0 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.Connection do
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@moduledoc """
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Configure Tesla.Client with default and customized adapter options.
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"""
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@type ip_address :: ipv4_address() | ipv6_address()
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@type ipv4_address :: {0..255, 0..255, 0..255, 0..255}
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@type ipv6_address ::
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{0..65_535, 0..65_535, 0..65_535, 0..65_535, 0..65_535, 0..65_535, 0..65_535, 0..65_535}
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@type proxy_type() :: :socks4 | :socks5
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@type host() :: charlist() | ip_address()
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@defaults [pool: :federation]
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require Logger
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alias Pleroma.Config
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alias Pleroma.HTTP.Adapter
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@doc """
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Merge default connection & adapter options with received ones.
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"""
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@spec options(URI.t(), keyword()) :: keyword()
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def options(%URI{} = uri, opts \\ []) do
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@defaults
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|> pool_timeout()
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|> Keyword.merge(opts)
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|> adapter().options(uri)
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end
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defp pool_timeout(opts) do
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{config_key, default} =
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if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Gun do
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{:pools, Config.get([:pools, :default, :timeout])}
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else
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{:hackney_pools, 10_000}
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end
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timeout = Config.get([config_key, opts[:pool], :timeout], default)
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Keyword.merge(opts, timeout: timeout)
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end
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@spec after_request(keyword()) :: :ok
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def after_request(opts), do: adapter().after_request(opts)
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defp adapter do
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case Application.get_env(:tesla, :adapter) do
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Tesla.Adapter.Gun -> Adapter.Gun
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Tesla.Adapter.Hackney -> Adapter.Hackney
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_ -> Adapter
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end
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end
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@spec parse_proxy(String.t() | tuple() | nil) ::
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{:ok, host(), pos_integer()}
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| {:ok, proxy_type(), host(), pos_integer()}
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| {:error, atom()}
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| nil
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def parse_proxy(nil), do: nil
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def parse_proxy(proxy) when is_binary(proxy) do
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with [host, port] <- String.split(proxy, ":"),
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{port, ""} <- Integer.parse(port) do
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{:ok, parse_host(host), port}
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else
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{_, _} ->
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Logger.warn("parsing port in proxy fail #{inspect(proxy)}")
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{:error, :error_parsing_port_in_proxy}
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:error ->
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Logger.warn("parsing port in proxy fail #{inspect(proxy)}")
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{:error, :error_parsing_port_in_proxy}
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_ ->
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Logger.warn("parsing proxy fail #{inspect(proxy)}")
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{:error, :error_parsing_proxy}
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end
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end
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def parse_proxy(proxy) when is_tuple(proxy) do
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with {type, host, port} <- proxy do
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{:ok, type, parse_host(host), port}
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else
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_ ->
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Logger.warn("parsing proxy fail #{inspect(proxy)}")
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{:error, :error_parsing_proxy}
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end
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end
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@spec parse_host(String.t() | atom() | charlist()) :: charlist() | ip_address()
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def parse_host(host) when is_list(host), do: host
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def parse_host(host) when is_atom(host), do: to_charlist(host)
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def parse_host(host) when is_binary(host) do
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host = to_charlist(host)
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case :inet.parse_address(host) do
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{:error, :einval} -> host
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{:ok, ip} -> ip
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end
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end
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end
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