[jboss-cvs] jbosssx/src/main/org/jboss/security/authorization/modules/ejb ...
Anil Saldhana
anil.saldhana at jboss.com
Tue Jul 25 13:11:54 EDT 2006
User: asaldhana
Date: 06/07/25 13:11:54
Added: src/main/org/jboss/security/authorization/modules/ejb
EJBPolicyModuleDelegate.java
Log:
JBAS-3324: Policy Module Delgate for the EJB layer with the default behavior
Revision Changes Path
1.1 date: 2006/07/25 17:11:54; author: asaldhana; state: Exp;jbosssx/src/main/org/jboss/security/authorization/modules/ejb/EJBPolicyModuleDelegate.java
Index: EJBPolicyModuleDelegate.java
===================================================================
/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.security.authorization.modules.ejb;
import java.lang.reflect.Method;
import java.security.Principal;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.jboss.logging.Logger;
import org.jboss.security.AnybodyPrincipal;
import org.jboss.security.AuthorizationManager;
import org.jboss.security.RunAsIdentity;
import org.jboss.security.SecurityRoleRef;
import org.jboss.security.SimplePrincipal;
import org.jboss.security.authorization.AuthorizationContext;
import org.jboss.security.authorization.PolicyRegistration;
import org.jboss.security.authorization.Resource;
import org.jboss.security.authorization.ResourceKeys;
import org.jboss.security.authorization.modules.AuthorizationModuleHelper;
//$Id: EJBPolicyModuleDelegate.java,v 1.1 2006/07/25 17:11:54 asaldhana Exp $
/**
* Authorization Module delegate that deals with the authorization decisions
* for the EJB Layer (Default Behavior)
* @author <a href="mailto:Anil.Saldhana at jboss.org">Anil Saldhana</a>
* @since Jul 6, 2006
* @version $Revision: 1.1 $
*/
public class EJBPolicyModuleDelegate extends AuthorizationModuleHelper
{
private String ejbName = null;
private Method ejbMethod = null;
private Principal ejbPrincipal = null;
private Set methodRoles = null;
private String methodInterface = null;
private RunAsIdentity callerRunAsIdentity = null;
private String roleName = null;
private Boolean roleRefCheck = Boolean.FALSE;
private Set securityRoleReferences = null;
public EJBPolicyModuleDelegate()
{
log = Logger.getLogger(getClass());
trace = log.isTraceEnabled();
}
/**
* @see AuthorizationModuleHelper#authorize(Resource)
*/
public int authorize(Resource resource)
{
//Get the contextual map
Map map = resource.getMap();
if(map == null)
throw new IllegalStateException("Map from the Resource is null");
if(map.size() == 0)
throw new IllegalStateException("Map from the Resource is size zero");
PolicyRegistration pr = (PolicyRegistration)map.get("authorizationManager");
if(pr != null)
this.authzManager = pr;
//Populate local variables from the resource
this.ejbMethod = (Method)map.get(ResourceKeys.EJB_METHOD);
this.ejbName = (String)map.get(ResourceKeys.EJB_NAME);
this.ejbPrincipal = (Principal)map.get(ResourceKeys.EJB_PRINCIPAL);
this.methodInterface = (String)map.get(ResourceKeys.EJB_METHODINTERFACE);
this.methodRoles = (Set)map.get(ResourceKeys.EJB_METHODROLES);
this.callerRunAsIdentity = (RunAsIdentity)map.get(ResourceKeys.RUNASIDENTITY);
this.roleName = (String)map.get(ResourceKeys.ROLENAME);
this.roleRefCheck = (Boolean)map.get(ResourceKeys.ROLEREF_PERM_CHECK);
this.securityRoleReferences = (Set)map.get(ResourceKeys.SECURITY_ROLE_REFERENCES);
if(this.roleRefCheck == Boolean.TRUE)
return checkRoleRef();
else
return process();
}
/**
* @see AuthorizationModuleHelper#setPolicyRegistrationManager(PolicyRegistration)
*/
public void setPolicyRegistrationManager(PolicyRegistration authzM)
{
this.authzManager = authzM;
if(this.authzManager instanceof AuthorizationManager == false)
throw new IllegalStateException(authzManager +
" is not an instanceof AuthorizationManager");
}
//Private Methods
/**
* Process the request
* @param request
* @param sc
* @return
*/
private int process()
{
boolean allowed = true;
//Get the method permissions
if (methodRoles == null)
{
String method = this.ejbMethod.getName();
String msg = "No method permissions assigned to method=" + method
+ ", interface=" + methodInterface;
if(trace)
log.trace("Exception:"+msg);
allowed = false;
}
else if (trace)
{
log.trace("method=" + this.ejbMethod + ", interface=" + this.methodInterface
+ ", requiredRoles=" + methodRoles);
}
// Check if the caller is allowed to access the method
if (methodRoles.contains(AnybodyPrincipal.ANYBODY_PRINCIPAL) == false)
{
// The caller is using a the caller identity
if (callerRunAsIdentity == null)
{
AuthorizationManager am = (AuthorizationManager)authzManager;
// Now actually check if the current caller has one of the required method roles
if (am.doesUserHaveRole(ejbPrincipal, methodRoles) == false)
{
Set userRoles = am.getUserRoles(ejbPrincipal);
String method = this.ejbMethod.getName();
String msg = "Insufficient method permissions, principal=" + ejbPrincipal
+ ", ejbName=" + this.ejbName
+ ", method=" + method + ", interface=" + this.methodInterface
+ ", requiredRoles=" + methodRoles + ", principalRoles=" + userRoles;
if(trace)
log.trace("Exception:"+msg);
allowed = false;
}
}
// The caller is using a run-as identity
else
{
// Check that the run-as role is in the set of method roles
if (callerRunAsIdentity.doesUserHaveRole(methodRoles) == false)
{
String method = this.ejbMethod.getName();
String msg = "Insufficient method permissions, principal=" + ejbPrincipal
+ ", ejbName=" + this.ejbName
+ ", method=" + method + ", interface=" + this.methodInterface
+ ", requiredRoles=" + methodRoles + ", runAsRoles="
+ callerRunAsIdentity.getRunAsRoles();
if(trace)
log.trace("Exception:"+msg);
allowed = false;
}
}
}
return allowed ? AuthorizationContext.PERMIT : AuthorizationContext.DENY;
}
private int checkRoleRef()
{
AuthorizationManager am = (AuthorizationManager)authzManager;
//Check the caller of this beans run-as identity
if (ejbPrincipal == null && callerRunAsIdentity == null)
{
if(trace)
log.trace("ejbPrincipal = null,callerRunAsIdentity = null => DENY" );
return AuthorizationContext.DENY;
}
// Map the role name used by Bean Provider to the security role
// link in the deployment descriptor. The EJB 1.1 spec requires
// the security role refs in the descriptor but for backward
// compability we're not enforcing this requirement.
//
// TODO (2.3): add a conditional check using jboss.xml <enforce-ejb-restrictions> element
// which will throw an exception in case no matching
// security ref is found.
boolean matchFound = false;
Iterator it = this.securityRoleReferences.iterator();
while ( it.hasNext())
{
SecurityRoleRef meta = (SecurityRoleRef) it.next();
if (meta.getName().equals(roleName))
{
roleName = meta.getLink();
matchFound = true;
break;
}
}
if (!matchFound)
log.warn("no match found for security role " + roleName +
" in the deployment descriptor for ejb " + this.ejbName);
HashSet set = new HashSet();
set.add(new SimplePrincipal(roleName));
boolean allowed = false;
if (callerRunAsIdentity == null)
allowed = am.doesUserHaveRole(ejbPrincipal, set);
else
allowed = this.callerRunAsIdentity.doesUserHaveRole(set);
return allowed ? AuthorizationContext.PERMIT : AuthorizationContext.DENY;
}
}
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