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

Wed, 30 Dec 2020 11:00:44 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 30 Dec 2020 11:00:44 +0100
branch
maintenance
changeset 7924
8a96736d465e
parent 7615
ca2949b1a29a
permissions
-rw-r--r--

Updated copyright for 2021.

# -*- coding: utf-8 -*-

# Copyright (c) 2020 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a check for use of mako templates.
"""

#
# This is a modified version of the one found in the bandit package.
#
# Original Copyright 2014 Hewlett-Packard Development Company, L.P.
#
# 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": [
            (checkMakoTemplateUsage, ("S702",)),
        ],
    }


def checkMakoTemplateUsage(reportError, context, config):
    """
    Function to check for use of mako templates.
    
    @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
    """
    if isinstance(context.callFunctionNameQual, str):
        qualnameList = context.callFunctionNameQual.split('.')
        func = qualnameList[-1]
        if 'mako' in qualnameList and func == 'Template':
            # unlike Jinja2, mako does not have a template wide autoescape
            # feature and thus each variable must be carefully sanitized.
            reportError(
                context.node.lineno - 1,
                context.node.col_offset,
                "S702",
                "M",
                "H",
            )

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