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The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications. It is designed to be used by people with a wide range of security experience and as such is ideal for developers and functional testers who are new to penetration testing. ZAP provides automated scanners as well as a set of tools that allow you to find security vulnerabilities manually.
/*
* Zed Attack Proxy (ZAP) and its related class files.
*
* ZAP is an HTTP/HTTPS proxy for assessing web application security.
*
* Copyright 2015 The ZAP Development Team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.zaproxy.zap.utils;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
/**
* A class with utility methods related to XML parsing.
*/
public final class XmlUtils {
private XmlUtils() {
}
/**
* Returns a new {@code DocumentBuilderFactory} instance with XML External Entity (XXE) processing disabled.
*
* @return the new {@code DocumentBuilderFactory} instance with XXE processing disabled
* @throws ParserConfigurationException if an error occurred while disabling XXE processing
* @see DocumentBuilderFactory
*/
public static DocumentBuilderFactory newXxeDisabledDocumentBuilderFactory() throws ParserConfigurationException {
// Disable XXE processing, not required by default.
// https://www.owasp.org/index.php/XML_External_Entity_%28XXE%29_Processing
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
factory.setFeature("http://xml.org/sax/features/external-general-entities", false);
factory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
factory.setExpandEntityReferences(false);
return factory;
}
}