feat(serverless): serverless definitions context (#6910)

* serverless definitions context

checkov/serverless/graph_builder/definition_context.py

@@ -1,14 +1,71 @@
 from __future__ import annotations
 
-from typing import Any
+from typing import cast, Any
+
+from checkov.common.parsers.node import StrNode, ListNode
+from checkov.common.util.consts import START_LINE, END_LINE, LINE_FIELD_NAMES
+from checkov.common.util.suppression import collect_suppressions_for_report
+from checkov.serverless.utils import ServerlessElements
 
 
 def build_definitions_context(definitions: dict[str, dict[str, Any]], definitions_raw: dict[str, list[tuple[int, str]]]
                               ) -> dict[str, dict[str, Any]]:
-    return {}
+    definitions_context: dict[str, dict[str, Any]] = {}
+    for file_path, file_definitions in definitions.items():
+        definitions_context[file_path] = {}
+        for definition_attribute, definition_value in file_definitions.items():
+            if definition_attribute not in [str(e) for e in ServerlessElements]:
+                continue
+            definitions_context[file_path][definition_attribute] = {}
+            if isinstance(definition_value, dict):
+                for resource_key, resource_attributes in definition_value.items():
+                    add_resource_to_definitions_context(definitions_context, resource_key, resource_attributes,
+                                                        definition_attribute, definitions_raw, file_path)
+            elif isinstance(definition_value, list):
+                for resource in definition_value:
+                    add_resource_to_definitions_context(definitions_context, '', resource, definition_attribute,
+                                                        definitions_raw, file_path)
+
+            elif isinstance(definition_value, StrNode):
+                add_resource_to_definitions_context(definitions_context, definition_attribute, definition_value,
+                                                    definition_attribute,
+                                                    definitions_raw, file_path)
+    return definitions_context
 
 
 def add_resource_to_definitions_context(definitions_context: dict[str, dict[str, Any]], resource_key: str,
-                                        resource_attributes: dict[str, Any], definition_attribute: str,
+                                        resource_attributes: dict[str, Any] | ListNode | StrNode, definition_attribute: str,
                                         definitions_raw: dict[str, Any], file_path: str) -> None:
-    pass
+    if resource_key in LINE_FIELD_NAMES:
+        return
+
+    if isinstance(resource_attributes, dict):
+        start_line = resource_attributes[START_LINE] - 1
+        end_line = resource_attributes[END_LINE] - 1
+
+    elif isinstance(resource_attributes, ListNode):
+        start_line = resource_attributes.start_mark.line
+        end_line = resource_attributes.end_mark.line
+
+    elif isinstance(resource_attributes, StrNode):
+        start_line = resource_attributes.start_mark.line + 1
+        end_line = resource_attributes.end_mark.line + 1
+
+    else:
+        return
+
+    definition_resource = {"start_line": start_line, "end_line": end_line}
+
+    if resource_key is None and isinstance(resource_attributes, dict):
+        resource_key = f"{resource_attributes.get('type')}.{resource_attributes.get('name')}"
+    int_start_line = cast(int, definition_resource["start_line"])
+    int_end_line = cast(int, definition_resource["end_line"])
+    code_lines_for_suppressions_check = definitions_raw[file_path][int_start_line: int_end_line]
+    definition_resource['skipped_checks'] = collect_suppressions_for_report(
+        code_lines=code_lines_for_suppressions_check)
+    if isinstance(resource_attributes, dict) and 'type' in resource_attributes:
+        definition_resource["type"] = resource_attributes.get('type')
+
+    definition_resource["code_lines"] = definitions_raw[file_path][start_line - 1: end_line]
+
+    definitions_context[file_path][definition_attribute][resource_key] = definition_resource