Class: Aquatone::Collectors::Censys

Inherits:
Aquatone::Collector show all
Defined in:
lib/aquatone/collectors/censys.rb

Constant Summary collapse

API_BASE_URI = 
"https://www.censys.io/api/v1".freeze
API_RESULTS_PER_PAGE = 
100.freeze
PAGES_TO_PROCESS = 
10.freeze

Constants inherited from Aquatone::Collector

Aquatone::Collector::DEFAULT_PRIORITY

Instance Attribute Summary

Attributes inherited from Aquatone::Collector

#domain, #hosts

Instance Method Summary collapse

Methods inherited from Aquatone::Collector

descendants, #execute!, #initialize, meta, meta=, priority, sluggified_name

Constructor Details

This class inherits a constructor from Aquatone::Collector

Instance Method Details

#next_page?(page, body) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/aquatone/collectors/censys.rb', line 77

def next_page?(page, body)
    page <= PAGES_TO_PROCESS && body["metadata"]["pages"] && API_RESULTS_PER_PAGE * page < body["metadata"]["count"].to_i
end

#request_censys_page(page = 1) ⇒ Object 



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# File 'lib/aquatone/collectors/censys.rb', line 19

def request_censys_page(page=1)
    # Initial version only supporting Censys Certificates API

    # Censys expects Basic Auth for requests.
    auth = {
        :username => get_key('censys_id'), 
        :password => get_key('censys_secret')
    }
   
    # Define this is JSON content
    headers = {
      'Content-Type' => 'application/json',
      'Accept' => 'application/json'
    }

    # The post body itself, as JSON
    query = {
        'query'   => url_escape("#{domain.name}"),
        'page'    => page,
        'fields'  => [ "parsed.names", "parsed.extensions.subject_alt_name.dns_names" ],
        'flatten' => true
    }

    # Search API documented at https://censys.io/api/v1/docs/search
    response = post_request(
        "#{API_BASE_URI}/search/certificates", 
        query.to_json,
        {
            :basic_auth => auth,
            :headers => headers 
        }
    )

    if response.code != 200
        failure(response.parsed_response["error"] || "Censys API encountered error: #{response.code}")
    end

    # If nothing returned from Censys, return:
    return unless response.parsed_response["results"]

    response.parsed_response["results"].each do |result|

      next unless result["parsed.extensions.subject_alt_name.dns_names"]
      result["parsed.extensions.subject_alt_name.dns_names"].each do |altdns|
          add_host(altdns) if altdns.end_with?(".#{domain.name}")
      end

      next unless result["parsed.names"]
      result["parsed.names"].each do |parsedname|
          add_host(parsedname) if parsedname.end_with?(".#{domain.name}")
      end
    end

    # Get the next page of results
    request_censys_page(page + 1) if next_page?(page, response.parsed_response)

end

#run ⇒ Object 



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# File 'lib/aquatone/collectors/censys.rb', line 15

def run
  request_censys_page
end