/*
* JBoss, Home of Professional Open Source.
* Copyright 2015, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.cli.impl;
import static java.lang.Runtime.getRuntime;
import static java.security.AccessController.doPrivileged;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import javax.security.auth.login.Configuration;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.modules.ModuleLoader;
import org.wildfly.security.manager.WildFlySecurityManager;
import org.wildfly.security.manager.action.AddShutdownHookAction;
import org.wildfly.security.manager.action.GetModuleClassLoaderAction;
/**
* Package privileged actions
*
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
* @author Scott.Stark@jboss.org
* @author Alexey Loubyansky
*/
class SecurityActions {
static void addShutdownHook(Thread hook) {
if (! WildFlySecurityManager.isChecking()) {
getRuntime().addShutdownHook(hook);
} else {
doPrivileged(new AddShutdownHookAction(hook));
}
}
static <T> T loadAndInstantiateFromClassClassLoader(final Class<?> base, final Class<T> iface, final String name) throws Exception {
if (!WildFlySecurityManager.isChecking()){
return internalLoadAndInstantiateFromClassClassLoader(base, iface, name);
} else {
try {
return doPrivileged(new PrivilegedExceptionAction<T>() {
@Override
public T run() throws Exception {
return internalLoadAndInstantiateFromClassClassLoader(base, iface, name);
}
});
} catch (PrivilegedActionException e) {
Throwable t = e.getCause();
if (t instanceof RuntimeException){
throw (RuntimeException)t;
}
throw new Exception(t);
}
}
}
private static <T> T internalLoadAndInstantiateFromClassClassLoader(Class<?> base, Class<T> iface, String name) throws Exception {
ClassLoader cl = base.getClassLoader();
if (cl == null){
cl = ClassLoader.getSystemClassLoader();
}
Class<?> clazz = cl.loadClass(name);
return iface.cast(clazz.newInstance());
}
static <T> T loadAndInstantiateFromModule(final String moduleId, final Class<T> iface, final String name) throws Exception {
if (!WildFlySecurityManager.isChecking()) {
return internalLoadAndInstantiateFromModule(moduleId, iface, name);
} else {
try {
return doPrivileged(new PrivilegedExceptionAction<T>() {
@Override
public T run() throws Exception {
return internalLoadAndInstantiateFromModule(moduleId, iface, name);
}
});
} catch (PrivilegedActionException e) {
Throwable t = e.getCause();
if (t instanceof RuntimeException){
throw (RuntimeException)t;
}
throw new Exception(t);
}
}
}
private static <T> T internalLoadAndInstantiateFromModule(String moduleId, final Class<T> iface, final String name) throws Exception {
ModuleLoader loader = Module.getCallerModuleLoader();
final Module module = loader.loadModule(ModuleIdentifier.fromString(moduleId));
ClassLoader cl = WildFlySecurityManager.isChecking() ? doPrivileged(new GetModuleClassLoaderAction(module)) : module.getClassLoader();
Class<?> clazz = cl.loadClass(name);
return iface.cast(clazz.newInstance());
}
static Configuration getGlobalJaasConfiguration() throws SecurityException {
if (WildFlySecurityManager.isChecking() == false) {
return internalGetGlobalJaasConfiguration();
} else {
try {
return doPrivileged(new PrivilegedExceptionAction<Configuration>() {
@Override
public Configuration run() throws Exception {
return internalGetGlobalJaasConfiguration();
}
});
} catch (PrivilegedActionException e) {
throw (SecurityException) e.getCause();
}
}
}
private static Configuration internalGetGlobalJaasConfiguration() throws SecurityException {
return Configuration.getConfiguration();
}
static void setGlobalJaasConfiguration(final Configuration configuration) throws SecurityException {
if (WildFlySecurityManager.isChecking() == false) {
internalSetGlobalJaasConfiguration(configuration);
} else {
try {
doPrivileged(new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
internalSetGlobalJaasConfiguration(configuration);
return null;
}
});
} catch (PrivilegedActionException e) {
throw (SecurityException) e.getCause();
}
}
}
private static void internalSetGlobalJaasConfiguration(final Configuration configuration) throws SecurityException {
Configuration.setConfiguration(configuration);
}
}