Class: Yoti::AnchorProcessor

Inherits:
Object
  • Object
show all
Defined in:
lib/yoti/util/anchor_processor.rb

Overview

Parse attribute anchors

Instance Method Summary collapse

Constructor Details

#initialize(anchors_list) ⇒ AnchorProcessor

Returns a new instance of AnchorProcessor.

Parameters:



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# File 'lib/yoti/util/anchor_processor.rb', line 12

def initialize(anchors_list)
  @anchors_list = anchors_list
  @get_next = false
end

Instance Method Details

#anchor_types ⇒ Hash

Deprecated.

no longer in use

Mapping of anchor types to oid.

Returns:

  • (Hash) 


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# File 'lib/yoti/util/anchor_processor.rb', line 152

def anchor_types
  ANCHOR_LIST_KEYS
end

#convert_certs_list_to_X509(certs_list) ⇒ Array<OpenSSL::X509::Certificate>

Convert certificate list to a list of X509 certificates.

Parameters:

  • certs_list (Google::Protobuf::RepeatedField)

Returns:

  • (Array<OpenSSL::X509::Certificate>) 


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# File 'lib/yoti/util/anchor_processor.rb', line 43

def convert_certs_list_to_X509(certs_list)
  x509_certs_list = []
  certs_list.each do |cert|
    x509_certs_list.push OpenSSL::X509::Certificate.new(cert)
  end
  x509_certs_list
end

#get_anchor_by_oid(cert, oid, sub_type, signed_time_stamp, x509_certs_list) ⇒ Yoti::Anchor?

Deprecated.

no longer in use

Return Anchor for provided oid.

Parameters:

  • cert (OpenSSL::X509::Certificate)
  • oid (String)
  • sub_type (String)
  • signed_time_stamp (Yoti::SignedTimeStamp)
  • x509_certs_list (Array<OpenSSL::X509::Certificate>)

Returns:



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# File 'lib/yoti/util/anchor_processor.rb', line 77

def get_anchor_by_oid(cert, oid, sub_type, signed_time_stamp, x509_certs_list)
  asn1_obj = OpenSSL::ASN1.decode(cert)
  anchor_value = get_anchor_value_by_oid(asn1_obj, oid)

  Yoti::Anchor.new(anchor_value, sub_type, signed_time_stamp, x509_certs_list) unless anchor_value.nil?
end

#get_anchor_value_by_asn1_data(value, oid) ⇒ String?

Deprecated.

no longer in use

Return Anchor value for ASN1 data.

Parameters:

  • value (OpenSSL::ASN1::ASN1Data)
  • oid (String)

Returns:

  • (String, nil) 


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# File 'lib/yoti/util/anchor_processor.rb', line 116

def get_anchor_value_by_asn1_data(value, oid)
  if value.respond_to?(:to_s) && value == oid
    @get_next = true
  elsif value.respond_to?(:to_s) && @get_next
    @get_next = false
    return OpenSSL::ASN1.decode(value).value[0].value
  end

  get_anchor_value_by_oid(value, oid)
end

#get_anchor_value_by_asn1_sequence(obj, oid) ⇒ String?

Deprecated.

no longer in use

Return Anchor value for ASN1 sequence.

Parameters:

  • obj (OpenSSL::ASN1::Sequence, Array)
  • oid (String)

Returns:

  • (String, nil) 


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# File 'lib/yoti/util/anchor_processor.rb', line 137

def get_anchor_value_by_asn1_sequence(obj, oid)
  obj.each do |child_obj|
    result = get_anchor_value_by_oid(child_obj, oid)
    return result unless result.nil?
  end
  nil
end

#get_anchor_value_by_oid(obj, oid) ⇒ String?

Deprecated.

no longer in use

Return Anchor value for provided oid.

Parameters:

  • obj (OpenSSL::ASN1::Sequence, OpenSSL::ASN1::ASN1Data, Array)
  • oid (String)

Returns:

  • (String, nil) 


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# File 'lib/yoti/util/anchor_processor.rb', line 94

def get_anchor_value_by_oid(obj, oid)
  case obj
  when OpenSSL::ASN1::Sequence, Array
    return get_anchor_value_by_asn1_sequence(obj, oid)
  when OpenSSL::ASN1::ASN1Data
    return get_anchor_value_by_asn1_data(obj.value, oid)
  end

  # In case it's not a valid object
  nil
end

#process ⇒ Array<Yoti::Anchor>

Extract matching Attribute Anchors from list.

Returns:



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# File 'lib/yoti/util/anchor_processor.rb', line 22

def process
  result_data = ANCHOR_LIST_KEYS.map { |key, _value| [key, []] }.to_h

  @anchors_list.each do |anchor|
    x509_certs_list = convert_certs_list_to_X509(anchor.origin_server_certs)
    signed_time_stamp = process_signed_time_stamp(anchor.signed_time_stamp)
    yoti_anchor = get_anchor_from_certs(x509_certs_list, anchor.sub_type, signed_time_stamp)
    anchor_list_key = get_anchor_list_key_by_type(yoti_anchor.type)
    result_data[anchor_list_key].push(yoti_anchor)
  end

  result_data
end

#process_signed_time_stamp(signed_time_stamp_binary) ⇒ Yoti::SignedTimeStamp

Return signed timestamp.

Parameters:

  • signed_time_stamp_binary (String)

Returns:



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# File 'lib/yoti/util/anchor_processor.rb', line 58

def process_signed_time_stamp(signed_time_stamp_binary)
  signed_time_stamp = Yoti::Protobuf::Compubapi::SignedTimestamp.decode(signed_time_stamp_binary)
  time_in_sec = signed_time_stamp.timestamp.quo(1000000)
  Yoti::SignedTimeStamp.new(signed_time_stamp.version, Time.at(time_in_sec))
end