Class: CertValidator::CrlValidator::Extractor

Inherits:
Object
  • Object
show all
Defined in:
lib/cert_validator/crl/extractor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cert) ⇒ Extractor

Returns a new instance of Extractor.



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# File 'lib/cert_validator/crl/extractor.rb', line 6

def initialize(cert)
  @certificate = cert
end

Instance Attribute Details

#certificate ⇒ Object (readonly)

Returns the value of attribute certificate.



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# File 'lib/cert_validator/crl/extractor.rb', line 4

def certificate
  @certificate
end

Instance Method Details

#crl_extension ⇒ Object 



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# File 'lib/cert_validator/crl/extractor.rb', line 23

def crl_extension
  @crl_extension ||= certificate.extensions.detect{ |e| e.oid == 'crlDistributionPoints' }
end

#crl_extension_payload ⇒ Object 



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# File 'lib/cert_validator/crl/extractor.rb', line 27

def crl_extension_payload
  @crl_extension_payload ||= Asn1.new(crl_extension.to_der).extension_payload
end

#decoded_payload ⇒ Object 



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# File 'lib/cert_validator/crl/extractor.rb', line 31

def decoded_payload
  @decoded_payload ||= Asn1.new(crl_extension_payload).decode
end

#descend_to_string(asn_data) ⇒ Object 



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# File 'lib/cert_validator/crl/extractor.rb', line 35

def descend_to_string(asn_data)
  seen = Set.new
  current = asn_data
  loop do
    raise RecursiveExtractError.new if seen.include? current
    seen.add current
    current = current.first.value

    return current if current.is_a? String
  end
end

#distribution_points ⇒ Object 



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# File 'lib/cert_validator/crl/extractor.rb', line 10

def distribution_points
  return [] unless has_crl_extension?
  decoded_payload.value.map{ |v| descend_to_string v.value }
end

#has_crl_extension? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cert_validator/crl/extractor.rb', line 19

def has_crl_extension?
  !! crl_extension
end

#has_distribution_points? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cert_validator/crl/extractor.rb', line 15

def has_distribution_points?
  ! distribution_points.empty?
end