Class: ThrottleMachines::RackMiddleware::Allow2Ban

Inherits:
Object
  • Object
show all
Defined in:
lib/throttle_machines/rack_middleware/allow2_ban.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, options, &block) ⇒ Allow2Ban 



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# File 'lib/throttle_machines/rack_middleware/allow2_ban.rb', line 8

def initialize(name, options, &block)
  @name = name
  @block = block

  @maxretry = options[:maxretry] || 5
  @findtime = options[:findtime] || 60
  @bantime = options[:bantime] || 300
end

Instance Attribute Details

#bantime ⇒ Object (readonly)

Returns the value of attribute bantime.



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# File 'lib/throttle_machines/rack_middleware/allow2_ban.rb', line 6

def bantime
  @bantime
end

#block ⇒ Object (readonly)

Returns the value of attribute block.



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# File 'lib/throttle_machines/rack_middleware/allow2_ban.rb', line 6

def block
  @block
end

#findtime ⇒ Object (readonly)

Returns the value of attribute findtime.



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# File 'lib/throttle_machines/rack_middleware/allow2_ban.rb', line 6

def findtime
  @findtime
end

#maxretry ⇒ Object (readonly)

Returns the value of attribute maxretry.



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# File 'lib/throttle_machines/rack_middleware/allow2_ban.rb', line 6

def maxretry
  @maxretry
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/throttle_machines/rack_middleware/allow2_ban.rb', line 6

def name
  @name
end

Instance Method Details

#matched_by?(request) ⇒ Boolean 



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# File 'lib/throttle_machines/rack_middleware/allow2_ban.rb', line 17

def matched_by?(request)
  discriminator = discriminator_for(request)
  return false unless discriminator

  # Allow2Ban resets fail2ban counters on successful requests
  # We'll track successful requests and reset the breaker when threshold is met

  success_key = "allow2ban:#{@name}:#{discriminator}"
  fail_key = "fail2ban:#{@name}:#{discriminator}"

  # Count successful requests
  success_limiter = ThrottleMachines.limiter(
    success_key,
    limit: @maxretry,
    period: @findtime,
    algorithm: :fixed_window
  )

  # Check if we've had enough successful requests
  if success_limiter.remaining.zero?
    # Reset the fail2ban breaker (use BreakerMachines circuit)
    breaker = BreakerMachines::Registry.instance.get_or_create_dynamic_circuit(
      fail_key,
      self,
      failure_threshold: @maxretry,
      failure_window: @findtime,
      reset_timeout: @bantime
    )
    breaker.hard_reset

    # Reset our own counter
    ThrottleMachines.storage.reset_counter(success_key, @findtime)
  else
    # Increment success counter
    begin
      success_limiter.throttle!
    rescue ThrottledError
      # We've hit the limit, which triggers the reset above
    end
  end

  false # Allow2Ban never blocks directly
end