Class: Spid::Saml2::XmlSignature

Inherits:
Object
  • Object
show all
Defined in:
lib/spid/saml2/xml_signature.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(settings:, sign_reference:) ⇒ XmlSignature

Returns a new instance of XmlSignature.



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# File 'lib/spid/saml2/xml_signature.rb', line 9

def initialize(settings:, sign_reference:)
  @settings = settings
  @sign_reference = sign_reference
end

Instance Attribute Details

#settings ⇒ Object (readonly)

Returns the value of attribute settings.



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# File 'lib/spid/saml2/xml_signature.rb', line 6

def settings
  @settings
end

#sign_reference ⇒ Object (readonly)

Returns the value of attribute sign_reference.



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# File 'lib/spid/saml2/xml_signature.rb', line 7

def sign_reference
  @sign_reference
end

Instance Method Details

#canonicalization_method ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 35

def canonicalization_method
  @canonicalization_method ||=
    begin
      element = REXML::Element.new("ds:CanonicalizationMethod")
      element.add_attributes(
        "Algorithm" => "http://www.w3.org/2001/10/xml-exc-c14n#"
      )
      element
    end
end

#digest_method ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 100

def digest_method
  @digest_method ||=
    begin
      element = REXML::Element.new("ds:DigestMethod")
      element.add_attributes("Algorithm" => settings.digest_method)
      element
    end
end

#digest_value ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 109

def digest_value
  @digest_value ||= REXML::Element.new("ds:DigestValue")
end

#reference ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 55

def reference
  @reference ||=
    begin
      element = REXML::Element.new("ds:Reference")
      element.add_attributes("URI" => "##{sign_reference}")
      element.add_element(transforms)
      element.add_element(digest_method)
      element.add_element(digest_value)
      element
    end
end

#signature ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 14

def signature
  @signature ||=
    begin
      element = REXML::Element.new("ds:Signature")
      element.add_element(signed_info)
      element.add_element(signature_value)
      element
    end
end

#signature_method ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 46

def signature_method
  @signature_method ||=
    begin
      element = REXML::Element.new("ds:SignatureMethod")
      element.add_attributes("Algorithm" => settings.signature_method)
      element
    end
end

#signature_value ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 113

def signature_value
  @signature_value ||= REXML::Element.new("ds:SignatureValue")
end

#signed_info ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 24

def signed_info
  @signed_info ||=
    begin
      element = REXML::Element.new("ds:SignedInfo")
      element.add_element(canonicalization_method)
      element.add_element(signature_method)
      element.add_element(reference)
      element
    end
end

#transform_enveloped ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 77

def transform_enveloped
  @transform_enveloped ||=
    begin
      element = REXML::Element.new("ds:Transform")
      element.add_attributes(
        "Algorithm" =>
          "http://www.w3.org/2000/09/xmldsig#enveloped-signature"
      )
      element
    end
end

#transform_xml ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 89

def transform_xml
  @transform_xml ||=
    begin
      element = REXML::Element.new("ds:Transform")
      element.add_attributes(
        "Algorithm" => "http://www.w3.org/2001/10/xml-exc-c14n#"
      )
      element
    end
end

#transforms ⇒ Object 



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# File 'lib/spid/saml2/xml_signature.rb', line 67

def transforms
  @transforms ||=
    begin
      element = REXML::Element.new("ds:Transforms")
      element.add_element(transform_enveloped)
      element.add_element(transform_xml)
      element
    end
end