spc-pleroma/lib/pleroma/http/adapter.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.HTTP.Adapter do
alias Pleroma.HTTP.Connection
@type proxy ::
{Connection.host(), pos_integer()}
| {Connection.proxy_type(), pos_integer()}
@callback options(keyword(), URI.t()) :: keyword()
@callback after_request(keyword()) :: :ok
@spec options(keyword(), URI.t()) :: keyword()
def options(opts, _uri) do
proxy = Pleroma.Config.get([:http, :proxy_url], nil)
maybe_add_proxy(opts, format_proxy(proxy))
end
@spec maybe_get_conn(URI.t(), keyword()) :: keyword()
def maybe_get_conn(_uri, opts), do: opts
@spec after_request(keyword()) :: :ok
def after_request(_opts), do: :ok
@spec format_proxy(String.t() | tuple() | nil) :: proxy() | nil
def format_proxy(nil), do: nil
def format_proxy(proxy_url) do
case Connection.parse_proxy(proxy_url) do
{:ok, host, port} -> {host, port}
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{:ok, type, host, port} -> {type, host, port}
_ -> nil
end
end
@spec maybe_add_proxy(keyword(), proxy() | nil) :: keyword()
def maybe_add_proxy(opts, nil), do: opts
def maybe_add_proxy(opts, proxy), do: Keyword.put_new(opts, :proxy, proxy)
end