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/*
* @(#)JAASAccessControlModel.java 1.7 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.auth.acl;
import java.util.Map;
import java.util.Properties;
import java.lang.reflect.InvocationTargetException;
import java.security.Principal;
import java.security.Permission;
import java.security.AccessControlException;
import java.security.Policy;
import java.security.PrivilegedAction;
import javax.security.auth.Subject;
import com.sun.messaging.jmq.io.PacketType;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.auth.AccessController;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;
import com.sun.messaging.jmq.auth.jaas.*;
import com.sun.messaging.jmq.auth.api.server.*;
import com.sun.messaging.jmq.auth.api.server.model.*;
/**
* JAASAccessControlModel
*/
public class JAASAccessControlModel implements AccessControlModel {
public static final String TYPE = "jaas";
public static final String PROP_PERMISSION_FACTORY = TYPE + ".permissionFactory";
public static final String PROP_PERMISSION_FACTORY_PRIVATE = TYPE + ".permissionFactoryPrivate";
public static final String PROP_POLICY_PROVIDER = TYPE + ".policyProvider";
private static boolean DEBUG = false;
private Logger logger = Globals.getLogger();
private String type;
private Properties authProps;
private PermissionFactory permFactory = null;
private String permFactoryPrivate = null;
private Policy policyProvider = null;
public String getType() {
return TYPE;
}
/**
* This method is called immediately after this AccessControlModel
* has been instantiated and prior to any calls to its other public
* methods.
*
* @param type the jmq.accesscontrol.type
* @param authProperties broker auth properties
*/
public void initialize(String type, Properties authProperties)
throws AccessControlException {
this.type = type;
if (!type.equals(TYPE)) {
String[] args = {type, TYPE, this.getClass().getName()};
String emsg = Globals.getBrokerResources().getKString(
BrokerResources.X_ACCESSCONTROL_TYPE_MISMATCH, args);
logger.log(Logger.ERROR, emsg);
throw new AccessControlException(emsg);
}
authProps = authProperties;
String pfclass = authProps.getProperty(
AccessController.PROP_ACCESSCONTROL_PREFIX+
PROP_PERMISSION_FACTORY);
assert ( pfclass != null );
String ppclass = authProps.getProperty(
AccessController.PROP_ACCESSCONTROL_PREFIX+
PROP_POLICY_PROVIDER);
try {
if (pfclass != null) permFactory = (PermissionFactory)Class.forName(pfclass).newInstance();
if (ppclass != null) policyProvider = (Policy)Class.forName(ppclass).newInstance();
} catch (Exception e) {
logger.logStack(Logger.ERROR, e.getMessage(), e);
throw new AccessControlException(e.getClass().getName()+": "+e.getMessage());
}
permFactoryPrivate = (String)authProps.getProperty(
AccessController.PROP_ACCESSCONTROL_PREFIX+
PROP_PERMISSION_FACTORY_PRIVATE);
load();
}
public void load() throws AccessControlException {
try {
Policy.getPolicy().refresh();
} catch (SecurityException e) {
AccessControlException ace = new AccessControlException(e.toString());
ace.initCause(e);
throw ace;
}
}
/**
*
* Check connection permission
*
* @param clientUser The Principal represents the client user that is
* associated with the subject
* @param serviceName the service instance name (eg. "broker", "admin")
* @param serviceType the service type for the service instance
* ("NORMAL" or "ADMIN")
* @param subject the authenticated subject
*
* @exception AccessControlException
*/
public void checkConnectionPermission(Principal clientUser,
String serviceName,
String serviceType,
Subject subject)
throws AccessControlException {
Permission perm;
try {
perm = permFactory.newPermission(permFactoryPrivate,
PermissionFactory.CONN_RESOURCE_PREFIX+
serviceType, (String)null, (Map)null);
} catch (Exception e) {
logger.logStack(Logger.ERROR, e.toString(), e);
AccessControlException ace = new AccessControlException(e.toString());
ace.initCause(e);
throw ace;
}
try {
checkPermission(subject, perm);
} catch (AccessControlException e) {
AccessControlException ace = new AccessControlException(e.getMessage()+": "+
clientUser+" ["+subject.getPrincipals()+"]");
ace.initCause(e);
throw ace;
}
}
/**
* Check permission for an operation on a destination for this role
*
* @param clientUser The Principal represents the client user that is
* associated with the subject
* @param serviceName the service instance name (eg. "broker", "admin")
* @param serviceType the service type for the service instance
* ("NORMAL" or "ADMIN")
* @param subject the authenticated subject
* @operation the operaction
* @destination the destination
*
* @exception AccessControlException
*/
public void checkDestinationPermission(Principal clientUser,
String serviceName,
String serviceType,
Subject subject,
String operation,
String destination,
String destinationType)
throws AccessControlException {
Permission perm;
try {
if (operation.equals(PacketType.AC_DESTCREATE)) {
perm = permFactory.newPermission(permFactoryPrivate,
PermissionFactory.AUTO_RESOURCE_PREFIX+
PermissionFactory.DEST_QUEUE, (String)null, (Map)null);
} else {
perm = permFactory.newPermission(permFactoryPrivate,
PermissionFactory.DEST_RESOURCE_PREFIX+
PermissionFactory.DEST_QUEUE_PREFIX+destination,
operation, (Map)null);
}
} catch (Exception e) {
logger.logStack(Logger.ERROR, e.toString(), e);
AccessControlException ace = new AccessControlException(e.toString());
ace.initCause(e);
throw ace;
}
try {
checkPermission(subject, perm);
} catch (AccessControlException e) {
AccessControlException ace = new AccessControlException(e.getMessage()+": "+
clientUser+" ["+subject.getPrincipals()+"]");
ace.initCause(e);
throw ace;
}
}
private void checkPermission(Subject subject, Permission p)
throws AccessControlException {
final Permission perm = p;
Subject.doAsPrivileged(subject, new PrivilegedAction() {
public Object run() {
java.security.AccessController.checkPermission(perm);
return null; // nothing to return
}
}, null);
}
}