improve check logic

checkov/openapi/checks/resource/generic/ClearTextAPIKey.py

@@ -3,53 +3,56 @@
 from typing import Any
 from checkov.common.models.enums import CheckResult, CheckCategories
 from checkov.common.checks.enums import BlockType
+from checkov.common.util.consts import LINE_FIELD_NAMES
 from checkov.openapi.checks.base_openapi_check import BaseOpenapiCheck
 
 
 class ClearTestAPIKey(BaseOpenapiCheck):
     def __init__(self) -> None:
         id = "CKV_OPENAPI_20"
         name = "Ensure that API keys are not sent over cleartext"
-        categories = [CheckCategories.API_SECURITY]
-        supported_resources = ['paths']
-        self.irrelevant_keys = ['__startline__', '__endline__']
+        categories = (CheckCategories.API_SECURITY,)
+        supported_resources = ('paths',)
         super().__init__(name=name, id=id, categories=categories, supported_entities=supported_resources,
                          block_type=BlockType.DOCUMENT)
 
     def scan_entity_conf(self, conf: dict[str, Any], entity_type: str) -> tuple[CheckResult, dict[str, Any]]:  # type:ignore[override]  # return type is different than the base class
-        if conf.get("components"):
-            components = conf.get("components", {}) or {}
-            security_schemes = components.get("securitySchemes", {}) or {}
-        elif conf.get("securityDefinitions"):
-            security_schemes = conf.get("securityDefinitions", {}) or {}
+        components = conf.get("components")
+        security_def = conf.get("securityDefinitions")
+        if components and isinstance(components, dict):
+            security_schemes = components.get("securitySchemes") or {}
+        elif security_def:
+            security_schemes = security_def
         else:
             return CheckResult.PASSED, conf
 
-        paths = conf.get('paths', {}) or {}
+        paths = conf.get('paths')
+        if not isinstance(paths, dict):
+            return CheckResult.PASSED, security_schemes
 
         filtered_dict = {}
         if isinstance(security_schemes, dict):
             for name, scheme in security_schemes.items():
-                if isinstance(scheme, dict) and "type" in scheme and scheme['type'] == "apiKey":
+                if isinstance(scheme, dict) and scheme.get('type') == "apiKey":
                     filtered_dict[name] = scheme
 
         if not filtered_dict:
             return CheckResult.PASSED, security_schemes
 
-        if not isinstance(paths, dict):
-            return CheckResult.PASSED, security_schemes
         for key, path in paths.items():
             if not path:
                 continue
-            if key in self.irrelevant_keys:
+            if key in LINE_FIELD_NAMES:
                 continue
-            for _operation, value in path.items():
+            for value in path.values():
                 if not isinstance(value, dict):
                     continue
-                if value.get('security'):
-                    for sec in value['security'][0]:
+                operation_security = value.get('security')
+                if operation_security and isinstance(operation_security, list):
+                    for sec in operation_security[0]:
                         if sec in filtered_dict:
                             return CheckResult.FAILED, security_schemes
+
         return CheckResult.PASSED, conf