models/key/fingerprint.rb

	fingerprint.rb revision 664a966954a0d661e25577d2e7f74c12bcb67c9f
280N/Amodule Key::Fingerprint
280N/A  extend ActiveSupport::Concern
280N/A
280N/A  included do
280N/A    before_validation :generate_fingerpint
280N/A    validates :fingerprint, uniqueness: true
280N/A  end
280N/A
280N/A
280N/A  def generate_fingerpint
280N/A    self.fingerprint = nil
280N/A    return unless key?
280N/A
280N/A    output = ''
280N/A    Tempfile.open('ssh_key_file') do |file|
280N/A      file.puts key
280N/A      file.rewind
280N/A      output = Subprocess.run 'ssh-keygen', '-lf', file.path
280N/A    end
280N/A    output.gsub /([\d\h]{2}:)+[\d\h]{2}/ do |match|
280N/A      self.fingerprint = match.gsub(":","")
280N/A    end
280N/A  rescue Subprocess::Error => e
280N/A    errors[:key] << e.output.split("\n").last.split(" ",2).last
280N/A  end
280N/A
280N/Aend