/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, 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.controller;
import static java.security.AccessController.doPrivileged;
import java.security.PrivilegedAction;
import org.jboss.as.controller.access.Caller;
import org.jboss.as.controller.access.InVmAccess;
import org.wildfly.security.auth.server.SecurityIdentity;
import org.wildfly.security.manager.WildFlySecurityManager;
/**
* Security actions for the 'org.jboss.as.controller' package.
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
class SecurityActions {
private SecurityActions() {
}
static boolean isInVmCall() {
return createInVmActions().isInVmCall();
}
static <T> T runInVm(PrivilegedAction<T> action) {
return createInVmActions().runInVm(action);
}
static Caller getCaller(final Caller currentCaller, final SecurityIdentity securityIdentity) {
return createCallerActions().getCaller(currentCaller, securityIdentity);
}
static AccessAuditContext currentAccessAuditContext() {
return createAccessAuditContextActions().currentContext();
}
private static AccessAuditContextActions createAccessAuditContextActions() {
return WildFlySecurityManager.isChecking() ? AccessAuditContextActions.PRIVILEGED : AccessAuditContextActions.NON_PRIVILEGED;
}
private static InVmActions createInVmActions() {
return WildFlySecurityManager.isChecking() ? InVmActions.PRIVILEGED : InVmActions.NON_PRIVILEGED;
}
private static CallerActions createCallerActions() {
return WildFlySecurityManager.isChecking() ? CallerActions.PRIVILEGED : CallerActions.NON_PRIVILEGED;
}
private interface AccessAuditContextActions {
AccessAuditContext currentContext();
AccessAuditContextActions NON_PRIVILEGED = new AccessAuditContextActions() {
@Override
public AccessAuditContext currentContext() {
return AccessAuditContext.currentAccessAuditContext();
}
};
AccessAuditContextActions PRIVILEGED = new AccessAuditContextActions() {
private final PrivilegedAction<AccessAuditContext> PRIVILEGED_ACTION = new PrivilegedAction<AccessAuditContext>() {
@Override
public AccessAuditContext run() {
return NON_PRIVILEGED.currentContext();
}
};
@Override
public AccessAuditContext currentContext() {
return doPrivileged(PRIVILEGED_ACTION);
}
};
}
private interface CallerActions {
Caller getCaller(Caller currentCaller, SecurityIdentity securityIdentity);
CallerActions NON_PRIVILEGED = new CallerActions() {
@Override
public Caller getCaller(Caller currentCaller, SecurityIdentity securityIdentity) {
// This is deliberately checking the Subject is the exact same instance.
if (currentCaller == null || securityIdentity != currentCaller.getSecurityIdentity()) {
return Caller.createCaller(securityIdentity);
}
return currentCaller;
}
};
CallerActions PRIVILEGED = new CallerActions() {
@Override
public Caller getCaller(final Caller currentCaller, final SecurityIdentity securityIdentity) {
return doPrivileged(new PrivilegedAction<Caller>() {
@Override
public Caller run() {
return NON_PRIVILEGED.getCaller(currentCaller, securityIdentity);
}
});
}
};
}
private interface InVmActions {
boolean isInVmCall();
<T> T runInVm(PrivilegedAction<T> action);
InVmActions NON_PRIVILEGED = new InVmActions() {
@Override
public <T> T runInVm(PrivilegedAction<T> action) {
return InVmAccess.runInVm(action);
}
@Override
public boolean isInVmCall() {
return InVmAccess.isInVmCall();
}
};
InVmActions PRIVILEGED = new InVmActions() {
@Override
public <T> T runInVm(PrivilegedAction<T> action) {
return doPrivileged((PrivilegedAction<T>) () -> InVmAccess.runInVm(action));
}
@Override
public boolean isInVmCall() {
return doPrivileged((PrivilegedAction<Boolean>) NON_PRIVILEGED::isInVmCall);
}
};
}
}