Module: FIDIUS::NVDParser

Includes:
NVDParserModel
Defined in:
lib/cveparser/parser.rb

Class Method Summary collapse

Class Method Details

.parse_cve_file(file) ⇒ Object

Parse Version 2.0 XML-File from nvd.nist.gov.



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# File 'lib/cveparser/parser.rb', line 20

def self.parse_cve_file file
  
  doc = Nokogiri::XML(File.open(file))
  doc.css("nvd").each do |nvd| 
    version = nvd.attributes['nvd_xml_version'].value
    if version != "2.0"
      puts "Your XML has the wrong version (#{version}). " + 
           "The CVE-Parser can only handle XML-Feeds in Version 2.0."
      raise 'Invalid XML Version'
    end 
  end

  start_time = Time.now
  puts "[*] Start parsing \"#{file}\""

  entries = []
  entry_count = 0
  doc.css('nvd > entry').each do |entry|
    entries << single_entry(entry)
    entry_count += 1
    if entry_count % 100 == 0 and entry_count > 0
      puts "Parsed #{entry_count} CVE Entries."
    end
  end
  end_time = Time.now
  puts "[*] Finished parsing, parsed #{entries.size} entries in " +
       "#{(end_time-start_time).round} seconds."
  entries
end