resourcepermissionpermissionsform.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 of
 *  the License, or (at your option) any later version.
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.sslexplorer.policyframework.wizards.forms;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.Globals;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMapping;

import com.sslexplorer.core.BundleActionMessage;
import com.sslexplorer.core.CoreServlet;
import com.sslexplorer.policyframework.Permission;
import com.sslexplorer.policyframework.PolicyConstants;
import com.sslexplorer.policyframework.ResourcePermission;
import com.sslexplorer.policyframework.ResourceType;
import com.sslexplorer.policyframework.ResourceTypeResourcePermission;
import com.sslexplorer.security.User;
import com.sslexplorer.wizard.AbstractWizardSequence;
import com.sslexplorer.wizard.forms.DefaultWizardForm;

public class ResourcePermissionPermissionsForm extends DefaultWizardForm {

    private int selectedResourceTypeId;
    private List resourceTypes;
    private ResourceType selectedResourceType;
    private String[] selectedAvailablePermissions;
    private List resourceTypePermissions;
    private String[] selectedResourceTypePermissions;
    private List availablePermissions;
    
    // Statics for sequence attributes
    public final static String ATTR_RESOURCE_TYPE = "resourceType";
    public final static String ATTR_RESOURCE_TYPE_PERMISSIONS = "resourceTypePermissions";
    
    public ResourcePermissionPermissionsForm() {
        super(true, true, "/WEB-INF/jsp/content/policyframework/resourcePermissionPermissions.jspf", 
            "resourceType", true, false, "resourcePermissionPermissions", "policyframework", "resourcePermissionWizard.resourcePermissions", 2);
    }

    /**
     * @return Returns the resourceType.
     */
    public int getSelectedResourceType() {
        return selectedResourceTypeId;
    }

    /**
     * @param resourceType The resourceType to set.
     */
    public void setSelectedResourceType(int resourceType) {
        this.selectedResourceTypeId = resourceType;
    }

    /* (non-Javadoc)
     * @see com.sslexplorer.core.forms.AbstractResourceWizardForm#apply(com.sslexplorer.wizard.AbstractWizardSequence)
     */
    public void apply(AbstractWizardSequence sequence) throws Exception {
        super.apply(sequence);
        sequence.putAttribute(ATTR_RESOURCE_TYPE, new Integer(selectedResourceTypeId));
    }

    /* (non-Javadoc)
     * @see com.sslexplorer.core.forms.AbstractResourceWizardForm#init(com.sslexplorer.wizard.AbstractWizardSequence, javax.servlet.http.HttpServletRequest)
     */
    public void init(AbstractWizardSequence sequence, HttpServletRequest request) throws Exception {
        super.init(sequence, request);
        String permissionClass = (String)sequence.getAttribute(ResourcePermissionDetailsForm.ATTR_RESOURCE_PERMISSION_CLASS, PolicyConstants.DELEGATION_CLASS);
        User user = CoreServlet.getServlet().getLogonController().getUser(request); 
        selectedAvailablePermissions = new String[0];
        resourceTypePermissions = (List)sequence.getAttribute(ATTR_RESOURCE_TYPE_PERMISSIONS, new ArrayList());
        availablePermissions = new ArrayList();
        List allAvailablePermissions = null;
        if(sequence.hasAttribute(ATTR_RESOURCE_TYPE)) {
            selectedResourceType = CoreServlet.getServlet().getPolicyDatabase().getResourceType(((Integer)sequence.getAttribute(ATTR_RESOURCE_TYPE, null)).intValue());
        }
        if(!CoreServlet.getServlet().getLogonController().isAdministrator(user)) {
            resourceTypes = new ArrayList();
            ResourcePermission rp = CoreServlet.getServlet().getPolicyDatabase().getResourcePermission(
                ((Integer)sequence.getAttribute(ResourcePermissionDetailsForm.ATTR_PARENT_RESOURCE_PERMISSION, null)).intValue());
            allAvailablePermissions = new ArrayList();
            for(Iterator j = rp.getPermissions().iterator(); j.hasNext(); ) {
                ResourceTypeResourcePermission perm = (ResourceTypeResourcePermission)j.next();
                if(!resourceTypes.contains(perm.getResourceType())) {
                    if(selectedResourceType == null) {
                        selectedResourceType = perm.getResourceType();
                    }
                    if(perm.getResourceType().getPermissions().size() > 0) {
                        resourceTypes.add(perm.getResourceType());
                    }
                }
                if(selectedResourceType.equals(perm.getResourceType())) {
                    if(!allAvailablePermissions.contains(perm.getResourcePermission())) {
                        allAvailablePermissions.add(perm.getResourcePermission());
                    }
                }
            }
        }
        else {
            List r = CoreServlet.getServlet().getPolicyDatabase().getResourceTypes(permissionClass);
            resourceTypes = new ArrayList();
            for(Iterator i = r.iterator(); i.hasNext(); ) {
                ResourceType rt = (ResourceType)i.next();
                if(rt.getPermissions().size() > 0 ) {
                    resourceTypes.add(rt);
                }
            }
            if(selectedResourceType == null) {
                selectedResourceType = (ResourceType)resourceTypes.get(0);
            }
            allAvailablePermissions = selectedResourceType.getPermissions();            
        }   
        selectedResourceTypeId = selectedResourceType.getResourceTypeId();    
        for(Iterator i = allAvailablePermissions.iterator(); i.hasNext(); ) {
            Permission p = (Permission)i.next();
            boolean found = false;
            for(Iterator j = resourceTypePermissions.iterator(); j.hasNext(); ) {
                ResourceTypeResourcePermission rp = (ResourceTypeResourcePermission)j.next();
                if(rp.getResourcePermission() == p && rp.getResourceType() == selectedResourceType) {
                    found = true;
                }
            }
            if(!found) {
                availablePermissions.add(p);
            }
        }
        Collections.sort(availablePermissions);
        Collections.sort(resourceTypes);
    }

    /**
     * @return Returns the resourceTypes.
     */
    public List getResourceTypes() {
        return resourceTypes;
    }

    /**
     * @return Returns the resourceType.
     */
    public ResourceType getResourceType() {
        return selectedResourceType;
    }

    /**
     * @return Returns the selectedAvailablePermissions.
     */
    public String[] getSelectedAvailablePermissions() {
        return selectedAvailablePermissions;
    }

    /**
     * @param selectedAvailablePermissions The selectedAvailablePermissions to set.
     */
    public void setSelectedAvailablePermissions(String[] selectedAvailablePermissions) {
        this.selectedAvailablePermissions = selectedAvailablePermissions;
    }

    /**
     * @return Returns the resourceTypePermissions.
     */
    public List getResourceTypePermissions() {
        return resourceTypePermissions;
    }

    /**
     * @return Returns the selectedResourceTypePermissions.
     */
    public String[] getSelectedResourceTypePermissions() {
        return selectedResourceTypePermissions;
    }

    /**
     * @param selectedResourceTypePermissions The selectedResourceTypePermissions to set.
     */
    public void setSelectedResourceTypePermissions(String[] selectedResourceTypePermissions) {
        this.selectedResourceTypePermissions = selectedResourceTypePermissions;
    }

    /**
     * @return Returns the availablePermissions.
     */
    public List getAvailablePermissions() {
        return availablePermissions;
    }

    /* (non-Javadoc)
     * @see com.sslexplorer.core.forms.AbstractResourceWizardForm#validate(org.apache.struts.action.ActionMapping, javax.servlet.http.HttpServletRequest)
     */
    public ActionErrors validate(ActionMapping mapping, HttpServletRequest request) {
        ActionErrors errs = super.validate(mapping, request);
        if(isCommiting() && resourceTypePermissions.size() == 0) {
            errs = errs == null ? new ActionErrors() : errs;
            errs.add(Globals.ERROR_KEY, new BundleActionMessage(getResourceBundle(), "delegationResourceWizard.resourcePermissions.error.noPermissionsSelected"));
        }
        return errs;
    }
}