RBAC   role based access control

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Shiro QuickStart

Subject currentUser = SecurityUtils.getSubject();
Session session = currentUser.getSession();
//认证
currentUser.login(token);  //通过抛出的异常来判断用户登录结果
//授权
currentUser.hasRole()
currentUser.isPermitted()
currentUser.isAuthenticated()

currentUser.logout();

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/** Licensed to the Apache Software Foundation (ASF) under one* or more contributor license agreements. See the NOTICE file* distributed with this work for additional information* regarding copyright ownership. The ASF licenses this file* to you 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.*/import org.apache.shiro.SecurityUtils; import org.apache.shiro.authc.*; import org.apache.shiro.ini.IniSecurityManagerFactory; import org.apache.shiro.mgt.SecurityManager; import org.apache.shiro.session.Session; import org.apache.shiro.subject.Subject; import org.apache.shiro.lang.util.Factory; import org.slf4j.Logger; import org.slf4j.LoggerFactory;/*** Simple Quickstart application showing how to use Shiro's API.** @since 0.9 RC2*/ public class Quickstart {private static final transient Logger log = LoggerFactory.getLogger(Quickstart.class);public static void main(String[] args) {// 创建 SecurityManagerFactory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:shiro.ini");SecurityManager securityManager = factory.getInstance();SecurityUtils.setSecurityManager(securityManager);// 获取当前执行的用户Subject currentUser = SecurityUtils.getSubject();// 使用sessionSession session = currentUser.getSession();session.setAttribute("someKey", "aValue");String value = (String) session.getAttribute("someKey");if (value.equals("aValue")) {log.info("Retrieved the correct value! [" + value + "]");}// 判断用户是否登录if (!currentUser.isAuthenticated()) {UsernamePasswordToken token = new UsernamePasswordToken("lonestarr", "vespa");token.setRememberMe(true);try {currentUser.login(token);} catch (UnknownAccountException uae) {log.info("There is no user with username of " + token.getPrincipal());} catch (IncorrectCredentialsException ice) {log.info("Password for account " + token.getPrincipal() + " was incorrect!");} catch (LockedAccountException lae) {log.info("The account for username " + token.getPrincipal() + " is locked. " +"Please contact your administrator to unlock it.");}// ... catch more exceptions here (maybe custom ones specific to your application?catch (AuthenticationException ae) {//unexpected condition? error?}}//say who they are://print their identifying principal (in this case, a username):log.info("User [" + currentUser.getPrincipal() + "] logged in successfully.");//test a role:if (currentUser.hasRole("schwartz")) {log.info("May the Schwartz be with you!");} else {log.info("Hello, mere mortal.");}//test a typed permission (not instance-level)if (currentUser.isPermitted("lightsaber:wield")) {log.info("You may use a lightsaber ring. Use it wisely.");} else {log.info("Sorry, lightsaber rings are for schwartz masters only.");}//a (very powerful) Instance Level permission:if (currentUser.isPermitted("winnebago:drive:eagle5")) {log.info("You are permitted to 'drive' the winnebago with license plate (id) 'eagle5'. " +"Here are the keys - have fun!");} else {log.info("Sorry, you aren't allowed to drive the 'eagle5' winnebago!");}//all done - log out!currentUser.logout();System.exit(0);} }

 

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