/**
* Copyright (c) 2011-2013, dafei 李飞 (myaniu AT gmail DOT com)
*
* 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 cn.dreampie.common.plugin.shiro.plugin;
import org.apache.shiro.authz.AuthorizationException;
import org.apache.shiro.authz.UnauthenticatedException;
import org.apache.shiro.subject.Subject;
/**
* 认证通过或已记住的用户访问控制处理器
* 单例模式运行。
*
* @author dafei
*/
class UserAuthzHandler extends AbstractAuthzHandler {
private static UserAuthzHandler uah = new UserAuthzHandler();
private UserAuthzHandler() {
}
public static UserAuthzHandler me() {
return uah;
}
public String getAuthorizedKey() {
return null;
}
@Override
public void assertAuthorized() throws AuthorizationException {
Subject subject = getSubject();
if (subject.getPrincipal() == null) {
throw new UnauthenticatedException("Attempting to perform a user-only operation. The current Subject is " +
"not a user (they haven't been authenticated or remembered from a previous login). " +
"Access denied.");
}
}
}