org.jboss.as.ejb3.security.RunAsPrincipalInterceptor Maven / Gradle / Ivy
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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package org.jboss.as.ejb3.security;
import java.security.PrivilegedActionException;
import org.jboss.as.ee.component.Component;
import org.jboss.as.ejb3.component.EJBComponent;
import org.jboss.as.ejb3.logging.EjbLogger;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.wildfly.common.Assert;
import org.wildfly.security.auth.server.RealmIdentity;
import org.wildfly.security.auth.server.RealmUnavailableException;
import org.wildfly.security.auth.server.SecurityDomain;
import org.wildfly.security.auth.server.SecurityIdentity;
import org.wildfly.security.authz.AuthorizationFailureException;
/**
* @author David M. Lloyd
*/
public class RunAsPrincipalInterceptor implements Interceptor {
public static final String ANONYMOUS_PRINCIPAL = "anonymous";
private final String runAsPrincipal;
public RunAsPrincipalInterceptor(final String runAsPrincipal) {
this.runAsPrincipal = runAsPrincipal;
}
public Object processInvocation(final InterceptorContext context) throws Exception {
final Component component = context.getPrivateData(Component.class);
if (component instanceof EJBComponent == false) {
throw EjbLogger.ROOT_LOGGER.unexpectedComponent(component, EJBComponent.class);
}
final EJBComponent ejbComponent = (EJBComponent) component;
// Set the incomingRunAsIdentity before switching users
final SecurityDomain securityDomain = context.getPrivateData(SecurityDomain.class);
Assert.checkNotNullParam("securityDomain", securityDomain);
final SecurityIdentity currentIdentity = securityDomain.getCurrentSecurityIdentity();
final SecurityIdentity oldIncomingRunAsIdentity = ejbComponent.getIncomingRunAsIdentity();
SecurityIdentity newIdentity;
try {
// The run-as-principal operation should succeed if the current identity is authorized to
// run as a user with the given name or if the caller has sufficient permission
if (runAsPrincipal.equals(ANONYMOUS_PRINCIPAL)) {
try {
newIdentity = currentIdentity.createRunAsAnonymous();
} catch (AuthorizationFailureException ex) {
newIdentity = currentIdentity.createRunAsAnonymous(false);
}
} else {
if (! runAsPrincipalExists(securityDomain, runAsPrincipal)) {
newIdentity = securityDomain.createAdHocIdentity(runAsPrincipal);
} else {
try {
newIdentity = currentIdentity.createRunAsIdentity(runAsPrincipal);
} catch (AuthorizationFailureException ex) {
newIdentity = currentIdentity.createRunAsIdentity(runAsPrincipal, false);
}
}
}
ejbComponent.setIncomingRunAsIdentity(currentIdentity);
return newIdentity.runAs(context);
} catch (PrivilegedActionException e) {
Throwable cause = e.getCause();
if(cause != null) {
if(cause instanceof Exception) {
throw (Exception) cause;
} else {
throw new RuntimeException(e);
}
} else {
throw e;
}
} finally {
ejbComponent.setIncomingRunAsIdentity(oldIncomingRunAsIdentity);
}
}
private boolean runAsPrincipalExists(final SecurityDomain securityDomain, final String runAsPrincipal) throws RealmUnavailableException {
RealmIdentity realmIdentity = null;
try {
realmIdentity = securityDomain.getIdentity(runAsPrincipal);
return realmIdentity.exists();
} finally {
if (realmIdentity != null) {
realmIdentity.dispose();
}
}
}
}