Do not touch signed message

Author: toopy

src/onelogin/saml2/utils.py

@@ -956,10 +956,10 @@ def validate_node_sign(signature_node, elem, cert=None, fingerprint=None, finger
             )
 
         # Check if Reference URI is empty
-        reference_elem = OneLogin_Saml2_XML.query(signature_node, '//ds:Reference')
-        if len(reference_elem) > 0:
-            if reference_elem[0].get('URI') == '':
-                reference_elem[0].set('URI', '#%s' % signature_node.getparent().get('ID'))
+        # reference_elem = OneLogin_Saml2_XML.query(signature_node, '//ds:Reference')
+        # if len(reference_elem) > 0:
+        #     if reference_elem[0].get('URI') == '':
+        #         reference_elem[0].set('URI', '#%s' % signature_node.getparent().get('ID'))
 
         if validatecert:
             manager = xmlsec.KeysManager()

tests/data/responses/response_without_assertion_reference_uri.xml.base64

@@ -0,0 +1 @@
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

tests/data/responses/response_without_reference_uri.xml.base64

@@ -1 +1 @@
-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tests/src/OneLogin/saml2_tests/response_test.py

@@ -1661,15 +1661,24 @@ def testIsValidSignFingerprint(self):
         # Modified message
         self.assertFalse(response_9.is_valid(self.get_request_data()))
 
-    def testIsValidSignWithEmptyReferenceURI(self):
+    def testMessageSignedIsValidSignWithEmptyReferenceURI(self):
         settings_info = self.loadSettingsJSON()
         del settings_info['idp']['x509cert']
-        settings_info['idp']['certFingerprint'] = "194d97e4d8c9c8cfa4b721e5ee497fd9660e5213"
+        settings_info['idp']['certFingerprint'] = "657302a5e11a4794a1e50a705988d66c9377575d"
         settings = OneLogin_Saml2_Settings(settings_info)
         xml = self.file_contents(join(self.data_path, 'responses', 'response_without_reference_uri.xml.base64'))
         response = OneLogin_Saml2_Response(settings, xml)
         self.assertTrue(response.is_valid(self.get_request_data()))
 
+    def testAssertionSignedIsValidSignWithEmptyReferenceURI(self):
+        settings_info = self.loadSettingsJSON()
+        del settings_info['idp']['x509cert']
+        settings_info['idp']['certFingerprint'] = "657302a5e11a4794a1e50a705988d66c9377575d"
+        settings = OneLogin_Saml2_Settings(settings_info)
+        xml = self.file_contents(join(self.data_path, 'responses', 'response_without_assertion_reference_uri.xml.base64'))
+        response = OneLogin_Saml2_Response(settings, xml)
+        self.assertTrue(response.is_valid(self.get_request_data()))
+
     def testIsValidWithoutInResponseTo(self):
         """
         If assertion contains InResponseTo but not the Response tag, we should