Fix: OOB - Handling of minor versions

aries_cloudagent/core/dispatcher.py

@@ -10,7 +10,7 @@
 import os
 import warnings
 
-from typing import Callable, Coroutine, Union
+from typing import Callable, Coroutine, Optional, Union, Tuple
 import weakref
 
 from aiohttp.web import HTTPException
@@ -36,6 +36,13 @@
 
 from .error import ProtocolMinorVersionNotSupported
 from .protocol_registry import ProtocolRegistry
+from .util import (
+    get_version_from_message_type,
+    validate_get_response_version,
+    # WARNING_DEGRADED_FEATURES,
+    # WARNING_VERSION_MISMATCH,
+    # WARNING_VERSION_NOT_SUPPORTED,
+)
 
 LOGGER = logging.getLogger(__name__)
 
@@ -133,16 +140,22 @@ async def handle_message(
             inbound_message: The inbound message instance
             send_outbound: Async function to send outbound messages
 
+        # Raises:
+        #     MessageParseError: If the message type version is not supported
+
         Returns:
             The response from the handler
 
         """
         r_time = get_timer()
 
         error_result = None
+        version_warning = None
         message = None
         try:
-            message = await self.make_message(inbound_message.payload)
+            (message, warning) = await self.make_message(
+                profile, inbound_message.payload
+            )
         except ProblemReportParseError:
             pass  # avoid problem report recursion
         except MessageParseError as e:
@@ -155,6 +168,47 @@ async def handle_message(
             )
             if inbound_message.receipt.thread_id:
                 error_result.assign_thread_id(inbound_message.receipt.thread_id)
+        # if warning:
+        #     warning_message_type = inbound_message.payload.get("@type")
+        #     if warning == WARNING_DEGRADED_FEATURES:
+        #         LOGGER.error(
+        #             f"Sending {WARNING_DEGRADED_FEATURES} problem report, "
+        #             "message type received with a minor version at or higher"
+        #             " than protocol minimum supported and current minor version "
+        #             f"for message_type {warning_message_type}"
+        #         )
+        #         version_warning = ProblemReport(
+        #             description={
+        #                 "en": (
+        #                     "message type received with a minor version at or "
+        #                     "higher than protocol minimum supported and current"
+        #                     f" minor version for message_type {warning_message_type}"
+        #                 ),
+        #                 "code": WARNING_DEGRADED_FEATURES,
+        #             }
+        #         )
+        #     elif warning == WARNING_VERSION_MISMATCH:
+        #         LOGGER.error(
+        #             f"Sending {WARNING_VERSION_MISMATCH} problem report, message "
+        #             "type received with a minor version higher than current minor "
+        #             f"version for message_type {warning_message_type}"
+        #         )
+        #         version_warning = ProblemReport(
+        #             description={
+        #                 "en": (
+        #                     "message type received with a minor version higher"
+        #                     " than current minor version for message_type"
+        #                     f" {warning_message_type}"
+        #                 ),
+        #                 "code": WARNING_VERSION_MISMATCH,
+        #             }
+        #         )
+        #     elif warning == WARNING_VERSION_NOT_SUPPORTED:
+        #         raise MessageParseError(
+        #             f"Message type version not supported for {warning_message_type}"
+        #         )
+        #     if version_warning and inbound_message.receipt.thread_id:
+        #         version_warning.assign_thread_id(inbound_message.receipt.thread_id)
 
         trace_event(
             self.profile.settings,
@@ -199,6 +253,8 @@ async def handle_message(
 
         if error_result:
             await responder.send_reply(error_result)
+        elif version_warning:
+            await responder.send_reply(version_warning)
         elif context.message:
             context.injector.bind_instance(BaseResponder, responder)
 
@@ -215,7 +271,9 @@ async def handle_message(
             perf_counter=r_time,
         )
 
-    async def make_message(self, parsed_msg: dict) -> BaseMessage:
+    async def make_message(
+        self, profile: Profile, parsed_msg: dict
+    ) -> Tuple[BaseMessage, Optional[str]]:
         """
         Deserialize a message dict into the appropriate message instance.
 
@@ -224,6 +282,7 @@ async def make_message(self, parsed_msg: dict) -> BaseMessage:
 
         Args:
             parsed_msg: The parsed message
+            profile: Profile
 
         Returns:
             An instance of the corresponding message class for this message
@@ -237,6 +296,7 @@ async def make_message(self, parsed_msg: dict) -> BaseMessage:
         if not isinstance(parsed_msg, dict):
             raise MessageParseError("Expected a JSON object")
         message_type = parsed_msg.get("@type")
+        message_type_rec_version = get_version_from_message_type(message_type)
 
         if not message_type:
             raise MessageParseError("Message does not contain '@type' parameter")
@@ -256,8 +316,10 @@ async def make_message(self, parsed_msg: dict) -> BaseMessage:
             if "/problem-report" in message_type:
                 raise ProblemReportParseError("Error parsing problem report message")
             raise MessageParseError(f"Error deserializing message: {e}") from e
-
-        return instance
+        _, warning = await validate_get_response_version(
+            profile, message_type_rec_version, message_cls
+        )
+        return (instance, warning)
 
     async def complete(self, timeout: float = 0.1):
         """Wait for pending tasks to complete."""

aries_cloudagent/core/protocol_registry.py

@@ -2,6 +2,7 @@
 
 import logging
 
+from string import Template
 from typing import Mapping, Sequence
 
 from ..config.injection_context import InjectionContext
@@ -74,6 +75,73 @@ def parse_type_string(self, message_type):
             "minor_version": int(version_string_tokens[1]),
         }
 
+    def create_msg_types_for_minor_version(self, typesets, version_definition):
+        """
+        Return mapping of message type to module path for minor versions.
+
+        Args:
+            typesets: Mappings of message types to register
+            version_definition: Optional version definition dict
+
+        Returns:
+            Typesets mapping
+
+        """
+        updated_typeset = {}
+        curr_minor_version = version_definition["current_minor_version"]
+        min_minor_version = version_definition["minimum_minor_version"]
+        major_version = version_definition["major_version"]
+        if curr_minor_version >= min_minor_version and curr_minor_version >= 1:
+            for version_index in range(min_minor_version, curr_minor_version + 1):
+                to_check = f"{str(major_version)}.{str(version_index)}"
+                updated_typeset.update(
+                    self._get_updated_tyoeset_dict(typesets, to_check, updated_typeset)
+                )
+        return (updated_typeset,)
+
+    def _get_updated_tyoeset_dict(self, typesets, to_check, updated_typeset) -> dict:
+        for typeset in typesets:
+            for msg_type_string, module_path in typeset.items():
+                updated_msg_type_string = Template(msg_type_string).substitute(
+                    version=to_check
+                )
+                updated_typeset[updated_msg_type_string] = module_path
+        return updated_typeset
+
+    def _template_message_type_check(self, typeset) -> bool:
+        for msg_type_string, _ in typeset.items():
+            if "$version" in msg_type_string:
+                return True
+        return False
+
+    def _create_and_register_updated_typesets(self, typesets, version_definition):
+        updated_typesets = self.create_msg_types_for_minor_version(
+            typesets, version_definition
+        )
+        update_flag = False
+        for typeset in updated_typesets:
+            if typeset:
+                self._typemap.update(typeset)
+                update_flag = True
+        if update_flag:
+            return updated_typesets
+        else:
+            return None
+
+    def _update_version_map(self, message_type_string, module_path, version_definition):
+        parsed_type_string = self.parse_type_string(message_type_string)
+
+        if version_definition["major_version"] not in self._versionmap:
+            self._versionmap[version_definition["major_version"]] = []
+
+        self._versionmap[version_definition["major_version"]].append(
+            {
+                "parsed_type_string": parsed_type_string,
+                "version_definition": version_definition,
+                "message_module": module_path,
+            }
+        )
+
     def register_message_types(self, *typesets, version_definition=None):
         """
         Add new supported message types.
@@ -85,24 +153,26 @@ def register_message_types(self, *typesets, version_definition=None):
         """
 
         # Maintain support for versionless protocol modules
+        template_msg_type_version = True
+        updated_typesets = None
         for typeset in typesets:
-            self._typemap.update(typeset)
+            if not self._template_message_type_check(typeset):
+                self._typemap.update(typeset)
+                template_msg_type_version = False
 
         # Track versioned modules for version routing
         if version_definition:
+            # create updated typesets for minor versions and register them
+            if template_msg_type_version:
+                updated_typesets = self._create_and_register_updated_typesets(
+                    typesets, version_definition
+                )
+            if updated_typesets:
+                typesets = updated_typesets
             for typeset in typesets:
                 for message_type_string, module_path in typeset.items():
-                    parsed_type_string = self.parse_type_string(message_type_string)
-
-                    if version_definition["major_version"] not in self._versionmap:
-                        self._versionmap[version_definition["major_version"]] = []
-
-                    self._versionmap[version_definition["major_version"]].append(
-                        {
-                            "parsed_type_string": parsed_type_string,
-                            "version_definition": version_definition,
-                            "message_module": module_path,
-                        }
+                    self._update_version_map(
+                        message_type_string, module_path, version_definition
                     )
 
     def register_controllers(self, *controller_sets, version_definition=None):