Module: BotDetection::InstanceMethods

Defined in:
lib/bot_detection/instance_methods.rb

Instance Method Summary collapse

Instance Method Details

#is_google? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bot_detection/instance_methods.rb', line 33

def is_google?
  BotDetection::GOOGLE_USER_AGENTS.include?(user_agent)
end

#is_known_crawler? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bot_detection/instance_methods.rb', line 7

def is_known_crawler?
  BotDetection::BotUserAgents.include?(user_agent) || is_search_engine_crawler?(reverse_lookup: false)
end

#is_search_engine_crawler?(options = {}) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bot_detection/instance_methods.rb', line 11

def is_search_engine_crawler? options = {}
  remote_ip = options.delete(:ip) || options.delete(:ip_address) || request.remote_ip
  return false if remote_ip.blank?

  reverse_lookup = options.delete(:reverse_lookup)
  reverse_lookup = true if reverse_lookup.nil?

  return false unless is_known_search_engine_crawler?
  return true unless reverse_lookup
  return true if options.delete(:development)

  host   = get_hostname(remote_ip)
  return false if host.nil?
  domain = PublicSuffix.parse(host) rescue nil
  return false if domain.nil?

  return false unless ["crawl.yahoo.net", "googlebot.com", "google.com", "search.msn.com", "ask.com", "yandex.net", "yandex.com", "yandex.ru", "baidu.com", "baidu.jp"].include?(domain.domain.downcase)
  host_ip = get_hostip(host)
  return false if host_ip.nil?
  host_ip == remote_ip
end