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Module: OpenSSL::X509::Extension::CRLDistributionPoints

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Included In:
::OpenSSL::X509::Certificate
Super Chains via Extension / Inclusion / Inheritance
Instance Chain:
self, Helpers
Defined in: ext/openssl/lib/openssl/x509.rb

Instance Method Summary

  • #crl_uris

    Get the distributionPoint fullName URI from the certificate’s ::OpenSSL::X509::CRL distribution points extension, as described in RFC 5280 Section 4.2.1.13.

Helpers - Included

#find_extension

Instance Method Details

#crl_uris

Get the distributionPoint fullName URI from the certificate’s ::OpenSSL::X509::CRL distribution points extension, as described in RFC 5280 Section 4.2.1.13.

Returns an array of strings or nil or raises ::OpenSSL::ASN1::ASN1Error.

[ GitHub ] 

  


# File 'ext/openssl/lib/openssl/x509.rb', line 129



def crl_uris
  ext = find_extension("crlDistributionPoints")
  return nil if ext.nil?

  cdp_asn1 = ASN1.decode(ext.value_der)
  if cdp_asn1.tag_class != :UNIVERSAL || cdp_asn1.tag != ASN1::SEQUENCE
    raise ASN1::ASN1Error, "invalid extension"
  end

  crl_uris = cdp_asn1.flat_map do |crl_distribution_point|
    distribution_point = crl_distribution_point.value.find do |v|
      v.tag_class == :CONTEXT_SPECIFIC && v.tag == 0
    end
    full_name = distribution_point&.value&.find do |v|
      v.tag_class == :CONTEXT_SPECIFIC && v.tag == 0
    end
    full_name&.value&.select do |v|
      v.tag_class == :CONTEXT_SPECIFIC && v.tag == 6 # uniformResourceIdentifier
    end
  end

  crl_uris.empty? ? nil : crl_uris.map(&:value)
end