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phoenix_ddos

0.7.14
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High performance application-layer DDoS protection for Elixir Phoenix

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phoenix_ddos lib phoenix_ddos core jail.ex
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lib/phoenix_ddos/core/jail.ex 

defmodule PhoenixDDoS.Jail do

  @moduledoc false



  # Ip got caught, go to jail ! Skipping request count



  alias PhoenixDDoS.Time



  def send(ip, {_module, cfg} = _prot) do

    {:ok, _} = Cachex.put(:phoenix_ddos_jail, "suspicious_#{ip}", ttl: :timer.hours(6))



    Cachex.put(:phoenix_ddos_jail, ip, true, ttl: Time.period_to_msec(cfg.jail_time))

  end



  def in_jail?(ip) do

    {:ok, exist} = Cachex.exists?(:phoenix_ddos_jail, ip)

    exist

  end



  def suspicious_ip?(ip) do

    {:ok, exist} = Cachex.exists?(:phoenix_ddos_jail, "suspicious_#{ip}")

    exist

  end



  # you have a powerful friend !

  def bail_out(ip) do

    Cachex.del(:phoenix_ddos_jail, ip)

    Cachex.del(:phoenix_ddos_jail, "suspicious_#{ip}")

  end

end