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87 lines
2.3 KiB
Elixir
87 lines
2.3 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.HTTP.AdapterHelper.Gun do
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@behaviour Pleroma.HTTP.AdapterHelper
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alias Pleroma.HTTP.AdapterHelper
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alias Pleroma.Pool.Connections
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require Logger
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@defaults [
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connect_timeout: 5_000,
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domain_lookup_timeout: 5_000,
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tls_handshake_timeout: 5_000,
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retry: 1,
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retry_timeout: 1000,
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await_up_timeout: 5_000
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]
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@spec options(keyword(), URI.t()) :: keyword()
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def options(connection_opts \\ [], %URI{} = uri) do
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formatted_proxy =
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Pleroma.Config.get([:http, :proxy_url], nil)
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|> AdapterHelper.format_proxy()
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config_opts = Pleroma.Config.get([:http, :adapter], [])
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@defaults
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|> Keyword.merge(config_opts)
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|> add_scheme_opts(uri)
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|> AdapterHelper.maybe_add_proxy(formatted_proxy)
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|> maybe_get_conn(uri, connection_opts)
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end
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@spec after_request(keyword()) :: :ok
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def after_request(opts) do
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if opts[:conn] && opts[:body_as] != :chunks do
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Connections.checkout(opts[:conn], self(), :gun_connections)
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end
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:ok
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end
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defp add_scheme_opts(opts, %URI{scheme: "http"}), do: opts
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defp add_scheme_opts(opts, %URI{scheme: "https"}) do
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opts
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|> Keyword.put(:certificates_verification, true)
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|> Keyword.put(:transport, :tls)
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|> Keyword.put(:tls_opts, log_level: :warning)
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end
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defp maybe_get_conn(adapter_opts, uri, connection_opts) do
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{receive_conn?, opts} =
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adapter_opts
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|> Keyword.merge(connection_opts)
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|> Keyword.pop(:receive_conn, true)
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if Connections.alive?(:gun_connections) and receive_conn? do
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try_to_get_conn(uri, opts)
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else
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opts
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end
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end
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defp try_to_get_conn(uri, opts) do
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case Connections.checkin(uri, :gun_connections) do
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nil ->
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Logger.debug(
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"Gun connections pool checkin was not successful. Trying to open conn for next request."
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)
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Task.start(fn -> Pleroma.Gun.Conn.open(uri, :gun_connections, opts) end)
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opts
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conn when is_pid(conn) ->
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Logger.debug("received conn #{inspect(conn)} #{Connections.compose_uri_log(uri)}")
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opts
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|> Keyword.put(:conn, conn)
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|> Keyword.put(:close_conn, false)
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end
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end
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end
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