20 lines
		
	
	
		
			566 B
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			566 B
		
	
	
	
		
			Ruby
		
	
	
	
class Rack::Attack
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  # Rate limits for the API
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  throttle('api', limit: 150, period: 5.minutes) do |req|
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    req.ip if req.path.match(/\A\/api\/v/)
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  end
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  self.throttled_response = lambda do |env|
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    now        = Time.now.utc
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    match_data = env['rack.attack.match_data']
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    headers = {
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      'X-RateLimit-Limit'     => match_data[:limit].to_s,
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      'X-RateLimit-Remaining' => '0',
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      'X-RateLimit-Reset'     => (now + (match_data[:period] - now.to_i % match_data[:period])).iso8601(6)
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    }
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    [429, headers, [{ error: 'Throttled' }.to_json]]
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  end
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end
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