signature.rb in saml-kit-1.0.25

- old
+ new

@@ -22,17 +22,19 @@
       # Returns the embedded X509 Certificate
       def certificate
         xpath = './ds:KeyInfo/ds:X509Data/ds:X509Certificate'
         value = at_xpath(xpath).try(:text)
         return if value.nil?
+
         ::Xml::Kit::Certificate.new(value, use: :signing)
       end
 
       # Returns true when the fingerprint of the certificate matches one of
       # the certificates registered in the metadata.
       def trusted?(metadata)
         return false if metadata.nil?
+
         metadata.matches?(certificate.fingerprint, use: :signing).present?
       end
 
       def digest_value
         at_xpath('./ds:SignedInfo/ds:Reference/ds:DigestValue').try(:text)
@@ -119,9 +121,10 @@
         errors.add(:certificate, message)
       end
 
       def at_xpath(xpath)
         return nil unless node
+
         node.at_xpath(xpath, Saml::Kit::Document::NAMESPACES)
       end
 
       def dsignature
         @dsignature ||= Xmldsig::Signature.new(node, 'ID=$uri or @Id')