PermsArchiveDelegate.java

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package com.sun.enterprise.security.perms;

import java.io.File;
import java.io.FileNotFoundException;
import java.security.PermissionCollection;
import java.security.PrivilegedExceptionAction;

import javax.xml.stream.XMLStreamException;

import org.glassfish.api.deployment.DeploymentContext;
import org.glassfish.internal.deployment.ExtendedDeploymentContext;

import com.sun.enterprise.security.integration.DDPermissionsLoader;

public class PermsArchiveDelegate {

    
    
    /**
     * Get the application or module packaged permissions
     * @param type  the type of the module, this is used to check the configured restriction for the type
     * @param context  the deployment context
     * @return the module or app declared permissions
     * @throws SecurityException if permissions.xml has syntax failure, or failed for restriction check
     */
    public static PermissionCollection getDeclaredPermissions(SMGlobalPolicyUtil.CommponentType type,
            DeploymentContext context) throws SecurityException {

        try {
            File base = new File(context.getSource().getURI());
            
            XMLPermissionsHandler pHdlr = new XMLPermissionsHandler(base, type);
            
            PermissionCollection declaredPerms = pHdlr.getAppDeclaredPermissions();
            
            //further process the permissions for file path adjustment
            DeclaredPermissionsProcessor dpp = 
                new DeclaredPermissionsProcessor(type, context, declaredPerms);
            
            PermissionCollection revisedWarDeclaredPerms =
                dpp.getAdjustedDeclaredPermissions();
            
            return revisedWarDeclaredPerms;
        } catch (XMLStreamException e) {
            throw new SecurityException(e); 
        } catch (SecurityException e) {
            throw new SecurityException(e);
        } catch (FileNotFoundException e) {
            throw new SecurityException(e);
        }
        
    }
    
    /**
     * Get the EE permissions for the spcified module type
     * @param type module type
     * @param dc the deployment context
     * @return the ee permissions
     */
    public static PermissionCollection processEEPermissions(SMGlobalPolicyUtil.CommponentType type,
            DeploymentContext dc) {
        
        ModuleEEPermissionsProcessor eePp = 
            new ModuleEEPermissionsProcessor(type, dc);
        
        PermissionCollection eePc = eePp.getAdjustedEEPermission();
        
        return eePc;
    }
    
    
    /**
     * Get the declared permissions and EE permissions, then add them to the classloader 
     * @param type   module type
     * @param context  deployment context
     * @param classloader  
     * throws AccessControlException if caller has no privilege 
     */
    public static void processModuleDeclaredAndEEPemirssions(SMGlobalPolicyUtil.CommponentType type, 
            DeploymentContext context, ClassLoader classloader) throws SecurityException {
        
        if (System.getSecurityManager() != null)  {
            
            if (!(classloader instanceof DDPermissionsLoader))
                return;
            
            if (!(context instanceof ExtendedDeploymentContext))
                return;
            
            DDPermissionsLoader ddcl = (DDPermissionsLoader)classloader;
            
            if (((ExtendedDeploymentContext)context).getParentContext() == null) {

                PermissionCollection declPc = getDeclaredPermissions(type, context); 
                ddcl.addDeclaredPermissions(declPc);
            }
            
            PermissionCollection eePc = processEEPermissions(type, context);
                        
            ddcl.addEEPermissions(eePc);
        }
    }
    
    
    public static class SetPermissionsAction implements PrivilegedExceptionAction<Object> {
        
        private SMGlobalPolicyUtil.CommponentType type;
        private DeploymentContext context;
        private ClassLoader cloader;
        
        public SetPermissionsAction(SMGlobalPolicyUtil.CommponentType type,
                DeploymentContext dc, ClassLoader cl) {
            this.type = type;
            this.context = dc;
            this.cloader = cl;
        }
        
        public Object run() throws SecurityException {

            processModuleDeclaredAndEEPemirssions(
                  type, context, cloader);
            return null;
        }
    }
    
}