Revert early copying message

A lot of tests depend on that, so it looks currently risky
to change.

Author: kamil-certat

intelmq/bots/outputs/misp/output_feed.py

@@ -185,10 +185,11 @@ def _default_mapping(self, obj: "MISPObject", message: dict):
                 obj.add_attribute(object_relation, value=value)
             except NewAttributeError:
                 # This entry isn't listed in the harmonization file, ignoring.
-                self.logger.warning(
-                    "Object relation %s not exists in MISP definition, ignoring",
-                    object_relation,
-                )
+                if object_relation != "__type":
+                    self.logger.warning(
+                        "Object relation %s not exists in MISP definition, ignoring",
+                        object_relation,
+                    )
 
     def _extract_misp_attribute_kwargs(self, message: dict, definition: dict) -> dict:
         # For caching and default mapping, the serialized version is the right format to work on.

intelmq/lib/message.py

@@ -48,18 +48,18 @@ def from_dict(message: dict, harmonization=None,
             MessageFactory.unserialize
             MessageFactory.serialize
         """
-        # don't modify the parameter
-        message_copy = message.copy()
 
-        if default_type and "__type" not in message_copy:
-            message_copy["__type"] = default_type
+        if default_type and "__type" not in message:
+            message["__type"] = default_type
         try:
-            class_reference = getattr(intelmq.lib.message, message_copy["__type"])
+            class_reference = getattr(intelmq.lib.message, message["__type"])
         except AttributeError:
             raise exceptions.InvalidArgument('__type',
-                                             got=message_copy["__type"],
+                                             got=message["__type"],
                                              expected=VALID_MESSSAGE_TYPES,
                                              docs=HARMONIZATION_CONF_FILE)
+        # don't modify the parameter
+        message_copy = message.copy()
         del message_copy["__type"]
         return class_reference(message_copy, auto=True, harmonization=harmonization)