net.duckling.probe.ui.permission.ProbePermissionChecker.java Source code

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Here is the source code for net.duckling.probe.ui.permission.ProbePermissionChecker.java

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/*
 * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 * 
 * This file is part of Duckling project.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 *
 */
package net.duckling.probe.ui.permission;

import java.util.HashSet;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;

import net.duckling.probe.ui.permission.annotation.RequirePermission;

import cn.vlabs.commons.principal.UserPrincipal;

public class ProbePermissionChecker implements PermissionChecker {
    private Set<String> adminUsers;

    public void setAdminUsers(String adminUserString) {
        adminUsers = new HashSet<String>();
        if (adminUserString != null) {
            String[] users = adminUserString.split(":");
            for (String user : users) {
                if (StringUtils.isNotEmpty(user)) {
                    adminUsers.add(user);
                }
            }
        }
    }

    public boolean hasAccess(HttpServletRequest request, RequirePermission requirePermission) {
        UserPrincipal user = (UserPrincipal) request.getSession().getAttribute("user");
        if (requirePermission.authenticated()) {
            return user != null;
        }
        String operation = requirePermission.operation();
        if ("admin".equals(operation) && user != null) {
            return adminUsers.contains(user.getName());
        }
        return false;
    }
}