org.apache.jasper.security.SecurityClassLoad Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.jasper.security;
import org.apache.jasper.compiler.Localizer;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
/**
* Static class used to preload java classes when using the
* Java SecurityManager so that the defineClassInPackage
* RuntimePermission does not trigger an AccessControlException.
*/
public final class SecurityClassLoad {
public static void securityClassLoad(ClassLoader loader) {
if (System.getSecurityManager() == null) {
return;
}
final String basePackage = "org.apache.jasper.";
try {
// Ensure XMLInputFactory is loaded with Tomcat's class loader
loader.loadClass(basePackage + "compiler.EncodingDetector");
loader.loadClass(basePackage + "runtime.JspContextWrapper");
loader.loadClass(basePackage + "runtime.JspFactoryImpl$PrivilegedGetPageContext");
loader.loadClass(basePackage + "runtime.JspFactoryImpl$PrivilegedReleasePageContext");
loader.loadClass(basePackage + "runtime.JspFragmentHelper");
Class clazz = loader.loadClass(basePackage + "runtime.JspRuntimeLibrary");
clazz.getConstructor().newInstance();
loader.loadClass(basePackage + "runtime.PageContextImpl");
loader.loadClass(basePackage + "runtime.ProtectedFunctionMapper");
loader.loadClass(basePackage + "runtime.ServletResponseWrapperInclude");
loader.loadClass(basePackage + "runtime.TagHandlerPool");
// Trigger loading of class and reading of property
SecurityUtil.isPackageProtectionEnabled();
loader.loadClass(basePackage + "servlet.JspServletWrapper");
} catch (Exception ex) {
Log log = LogFactory.getLog(SecurityClassLoad.class);
log.error(Localizer.getMessage("jsp.error.securityPreload"), ex);
}
}
}