94 lines
2.4 KiB
Elixir
94 lines
2.4 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.Config
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alias Pleroma.Gun.ConnectionPool
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alias Pleroma.HTTP.AdapterHelper
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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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@type pool() :: :federation | :upload | :media | :default
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@spec options(keyword(), URI.t()) :: keyword()
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def options(incoming_opts \\ [], %URI{} = uri) do
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proxy =
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[:http, :proxy_url]
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|> Config.get()
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|> AdapterHelper.format_proxy()
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config_opts = 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(proxy)
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|> Keyword.merge(incoming_opts)
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|> put_timeout()
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end
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defp add_scheme_opts(opts, %{scheme: "http"}), do: opts
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defp add_scheme_opts(opts, %{scheme: "https"}) do
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Keyword.put(opts, :certificates_verification, true)
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end
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defp put_timeout(opts) do
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# this is the timeout to receive a message from Gun
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Keyword.put_new(opts, :timeout, pool_timeout(opts[:pool]))
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end
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@spec pool_timeout(pool()) :: non_neg_integer()
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def pool_timeout(pool) do
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default = Config.get([:pools, :default, :timeout], 5_000)
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Config.get([:pools, pool, :timeout], default)
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end
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@spec get_conn(URI.t(), keyword()) :: {:ok, keyword()} | {:error, atom()}
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def get_conn(uri, opts) do
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case ConnectionPool.get_conn(uri, opts) do
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{:ok, conn_pid} -> {:ok, Keyword.merge(opts, conn: conn_pid, close_conn: false)}
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err -> err
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end
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end
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@prefix Pleroma.Gun.ConnectionPool
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def limiter_setup do
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wait = Config.get([:connections_pool, :connection_acquisition_wait])
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retries = Config.get([:connections_pool, :connection_acquisition_retries])
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:pools
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|> Config.get([])
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|> Enum.each(fn {name, opts} ->
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max_running = Keyword.get(opts, :size, 50)
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max_waiting = Keyword.get(opts, :max_waiting, 10)
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result =
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ConcurrentLimiter.new(:"#{@prefix}.#{name}", max_running, max_waiting,
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wait: wait,
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max_retries: retries
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)
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case result do
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:ok -> :ok
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{:error, :existing} -> :ok
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end
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end)
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:ok
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end
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end
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