Class: XMLSecurity::BaseDocument

Inherits:
REXML::Document
  • Object
show all
Defined in:
lib/xml_security.rb

Direct Known Subclasses

Document, SignedDocument

Constant Summary collapse

C14N = 
"http://www.w3.org/2001/10/xml-exc-c14n#"
DSIG = 
"http://www.w3.org/2000/09/xmldsig#"

Instance Method Summary collapse

Instance Method Details

#algorithm(element) ⇒ Object 



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# File 'lib/xml_security.rb', line 55

def algorithm(element)
  algorithm = element
  if algorithm.is_a?(REXML::Element)
    algorithm = element.attribute("Algorithm").value
    algorithm = algorithm && algorithm =~ /sha(.*?)$/i && $1.to_i
  end

  case algorithm
  when 256 then OpenSSL::Digest::SHA256
  when 384 then OpenSSL::Digest::SHA384
  when 512 then OpenSSL::Digest::SHA512
  else
    OpenSSL::Digest::SHA1
  end
end

#canon_algorithm(element) ⇒ Object 



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# File 'lib/xml_security.rb', line 41

def canon_algorithm(element)
  algorithm = element
  if algorithm.is_a?(REXML::Element)
    algorithm = element.attribute('Algorithm').value
  end

  case algorithm
    when "http://www.w3.org/2001/10/xml-exc-c14n#"         then Nokogiri::XML::XML_C14N_EXCLUSIVE_1_0
    when "http://www.w3.org/TR/2001/REC-xml-c14n-20010315" then Nokogiri::XML::XML_C14N_1_0
    when "http://www.w3.org/2006/12/xml-c14n11"            then Nokogiri::XML::XML_C14N_1_1
    else                                                        Nokogiri::XML::XML_C14N_EXCLUSIVE_1_0
  end
end