Enforce proper requirements on Module objects.

volatility3/framework/contexts/__init__.py

@@ -14,6 +14,7 @@
 from typing import Callable, Iterable, List, Optional, Set, Tuple, Union
 
 from volatility3.framework import constants, interfaces, symbols, exceptions
+from volatility3.framework.configuration import requirements
 from volatility3.framework.objects import templates
 
 vollog = logging.getLogger(__name__)
@@ -226,6 +227,20 @@ def create(
         # Add the module to the context modules collection
         return return_val
 
+    @classmethod
+    def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
+        """Returns a list of Requirement objects for this type of layer."""
+        return [
+            requirements.IntRequirement(name="offset", optional=False),
+            requirements.TranslationLayerRequirement(name="layer_name", optional=False),
+            requirements.TranslationLayerRequirement(
+                name="native_layer_name", optional=True
+            ),
+            requirements.SymbolTableRequirement(
+                name="symbol_table_name", optional=False
+            ),
+        ]
+
     def object(
         self,
         object_type: str,

volatility3/framework/interfaces/context.py

@@ -157,6 +157,10 @@ def __init__(self, context: ContextInterface, config_path: str, name: str) -> No
         super().__init__(context, config_path)
         self._module_name = name
 
+    @classmethod
+    def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
+        """Returns a list of Requirement objects for this type of layer."""
+
     @property
     def _layer_name(self) -> str:
         return self.config["layer_name"]
@@ -175,7 +179,6 @@ def _symbol_table_name(self) -> str:
 
     def build_configuration(self) -> "interfaces.configuration.HierarchicalDict":
         """Builds the configuration dictionary for this specific Module"""
-
         config = super().build_configuration()
 
         config["offset"] = self.config["offset"]