Class: PassiveDNS::Provider::CN360

Inherits:
PassiveDNS::PassiveDB show all
Defined in:
lib/passivedns/client/provider/cn360.rb

Overview

Queries 360.cn’s passive DNS database

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ CN360

Options

  • :debug Sets the debug flag for the module

  • “API” REQUIRED: some.web.address.for.their.api

  • “API_ID” REQUIRED: a username that is given when you register

  • “API_KEY” REQUIRED: a long and random password of sorts that is used along with the page request to generate a per page API key

Example Instantiation

options = {
  :debug => true,
  "API" => "http://some.web.address.for.their.api",
  "API_ID" => "360user",
  "API_KEY" => "360apikey"
}

PassiveDNS::Provider::CN360.new(options)



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# File 'lib/passivedns/client/provider/cn360.rb', line 44

def initialize(options={})
  @debug = options[:debug] || false
  @timeout = options[:timeout] || 20
  ["API", "API_ID", "API_KEY"].each do |opt|
    if not options[opt]
      raise "Field #{opt} is required.  See README.md"
    end
  end
  @cp = options
end

Instance Attribute Details

#debug ⇒ Object

:debug enables verbose logging to standard output



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# File 'lib/passivedns/client/provider/cn360.rb', line 26

def debug
  @debug
end

Class Method Details

.config_section_name ⇒ Object

Sets the configuration section name to “cn360”



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# File 'lib/passivedns/client/provider/cn360.rb', line 17

def self.config_section_name
  "cn360"
end

.name ⇒ Object

Sets the modules self-reported name to “360.cn”



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# File 'lib/passivedns/client/provider/cn360.rb', line 13

def self.name
  "360.cn"
end

.option_letter ⇒ Object

Sets the command line database argument to “3”



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# File 'lib/passivedns/client/provider/cn360.rb', line 21

def self.option_letter
  "3"
end

Instance Method Details

#lookup(label, limit = 10000) ⇒ Object

Takes a label (either a domain or an IP address) and returns an array of PassiveDNS::PDNSResult instances with the answers to the query



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# File 'lib/passivedns/client/provider/cn360.rb', line 57

def lookup(label, limit=10000)
  table = "rrset"
  if label =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/ or label =~ /^[0-9a-fA-F]+:[0-9a-fA-F:]+[0-9a-fA-F]$/
    table = "rdata"
  end
  limit ||= 10000
  path = "/api/#{table}/keyword/#{label}/count/#{limit}/"
  Timeout::timeout(@timeout) {
    url = @cp["API"]+path
    url = URI.parse url
    http = Net::HTTP.new(url.host, url.port)
    http.use_ssl = (url.scheme == 'https')
    http.verify_mode = OpenSSL::SSL::VERIFY_NONE # I hate doing this
    http.verify_depth = 5
    request = Net::HTTP::Get.new(url.path)
    request.add_field("User-Agent", "Ruby/#{RUBY_VERSION} passivedns-client rubygem v#{PassiveDNS::Client::VERSION}")
    request.add_field('Accept', 'application/json')
    request.add_field("X-BashTokid", @cp["API_ID"])
    token = Digest::MD5.hexdigest(path+@cp["API_KEY"])
    $stderr.puts "DEBUG: cn360 url = #{url} token = #{token}" if @debug
    request.add_field("X-BashToken", token)
    t1 = Time.now
    response = http.request(request)
    t2 = Time.now
    recs = parse_json(response.body, label, t2-t1)
    if limit
      recs[0,limit]
    else
      recs
    end
  }
rescue Timeout::Error => e
  $stderr.puts "#{self.class.name} lookup timed out: #{label}"
  recs
end