eric6/Plugins/CheckerPlugins/CodeStyleChecker/Security/Checks/yamlLoad.py

changeset 7613
382f89c11e27
child 7923
91e843545d9a
diff -r ca1ce1e0fcff -r 382f89c11e27 eric6/Plugins/CheckerPlugins/CodeStyleChecker/Security/Checks/yamlLoad.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/Plugins/CheckerPlugins/CodeStyleChecker/Security/Checks/yamlLoad.py	Mon Jun 08 20:08:27 2020 +0200
@@ -0,0 +1,64 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2020 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing checks for the use of yaml load functions.
+"""
+
+#
+# This is a modified version of the one found in the bandit package.
+#
+# Original Copyright (c) 2016 Rackspace, Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+
+def getChecks():
+    """
+    Public method to get a dictionary with checks handled by this module.
+    
+    @return dictionary containing checker lists containing checker function and
+        list of codes
+    @rtype dict
+    """
+    return {
+        "Call": [
+            (checkYamlLoad, ("S506",)),
+        ],
+    }
+
+
+def checkYamlLoad(reportError, context, config):
+    """
+    Function to check for the use of of yaml load functions.
+    
+    @param reportError function to be used to report errors
+    @type func
+    @param context security context object
+    @type SecurityContext
+    @param config dictionary with configuration data
+    @type dict
+    """
+    imported = context.isModuleImportedExact('yaml')
+    qualname = context.callFunctionNameQual
+    if not imported and isinstance(qualname, str):
+        return
+    
+    qualnameList = qualname.split('.')
+    func = qualnameList[-1]
+    if all([
+            'yaml' in qualnameList,
+            func == 'load',
+            not context.checkCallArgValue('Loader', 'SafeLoader'),
+            not context.checkCallArgValue('Loader', 'CSafeLoader'),
+    ]):
+        reportError(
+            context.node.lineno - 1,
+            context.node.col_offset,
+            "S506",
+            "M",
+            "H"
+        )

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