Class: OMF::GENI::AM::Signature

Inherits:
Object
  • Object
show all
Defined in:
lib/omf-sfa/am/signature.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sig_doc) ⇒ Signature

Returns a new instance of Signature.



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# File 'lib/omf-sfa/am/signature.rb', line 32

def initialize(sig_doc)
  @sig_doc = sig_doc
end

Class Method Details

.verify_xml_string(content) ⇒ Object

The xml content (provided as string) should contain a Signature tag.

Returns a Signature object if valid. Raises exception if not valid



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# File 'lib/omf-sfa/am/signature.rb', line 11

def self.verify_xml_string(content)
  tf = sig = nil
  begin
    tf = Tempfile.open('omf-am-rpc')
    tf << content
    tf.close
    cmd = "#{@@xmlsec} verify --trusted-pem #{@@root_certs} --print-xml-debug #{tf.path} 2> /dev/null"
    out = []
    #IO.popen("#{cmd} 2>&1") do |so| 
    IO.popen(cmd) do |so| 
      sig = Nokogiri::XML.parse(so)
    end 
    unless (sig.xpath('/VerificationContext')[0]['status'] == 'succeeded')
      raise "Error: Signature doesn't verify\n#{sig.to_xml}"
    end
  ensure
    tf.close! if tf
  end
  return Signature.new(sig)
end