package com.aaa.lee.shiro;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.*;
import org.apache.shiro.config.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.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) {
// The easiest way to create a Shiro SecurityManager with configured
// realms, users, roles and permissions is to use the simple INI config.
// We'll do that by using a factory that can ingest a .ini file and
// return a SecurityManager instance:
// Use the shiro.ini file at the root of the classpath
// (file: and url: prefixes load from files and urls respectively):
/**
* 1.使用最简单的方式创建Shiro安全框架，需要通过配置INI配置文件进行配置realm，users，roles，permissions
* 使用Factory<SecurityManager>工厂类加载根目录下的shiro.ini文件来构建SecurityManager对象
* SecurityManager:认证，授权，加密，session管理
* 以下的所有操作都必须使用SecurityManager对象进行完整，也就是说都需要使用SecurityManager对象爱获取
*
*/
Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:shiro.ini");
SecurityManager securityManager = factory.getInstance();
// for this simple example quickstart, make the SecurityManager
// accessible as a JVM singleton. Most applications wouldn't do this
// and instead rely on their container configuration or web.xml for
// webapps. That is outside the scope of this simple quickstart, so
// we'll just do the bare minimum so you can continue to get a feel
// for things.
/**
*
* 2.已经把SecurityManager对象创建出来，这个对象在JVM中是一个单例
* 如果在真实的web环境中，需要在容器中配置web.xml/application.xml
*
*
*/
SecurityUtils.setSecurityManager(securityManager);
/**
* shiro所需要的环境已经搭建完毕
*/
// Now that a simple Shiro environment is set up, let's see what you can do:
/**
*
* 3.通过securityManager获取到Subject对象
* Subject中封装了表单所提交的属性(User信息:按照官方要求不能存入密码)
*
*
*/
// get the currently executing user:
Subject currentUser = SecurityUtils.getSubject();
/**
*
* 4.测试session
* 通过Subject对象获取session对象然后进行测试
*
*/
// Do some stuff with a Session (no need for a web or EJB container!!!)
Session session = currentUser.getSession();
session.setAttribute("someKey", "aValue");
String value = (String) session.getAttribute("someKey");
if (value.equals("aValue")) {
log.info("Retrieved the correct value! [" + value + "]");
}
// let's login the current user so we can check against roles and permissions:
/**
*
* 5.认证阶段
* currentUser.isAuthenticated():返回true/false 查看当前对象是否已经处于认证创建
* 如果是返回true，否则返回false
*
*
*/
System.out.println("认证前-------->"+currentUser.isAuthenticated());
if (!currentUser.isAuthenticated()) {
/**
* 用户未处于登录状态
* 6.创建出UsernamePasswordToken对象，该对象拥有两个参数username,password
*/
UsernamePasswordToken token = new UsernamePasswordToken("lonestarr", "vespa");
// token.setRememberMe(true);
try {
/**
* 7.真正的认证方法
* 调用了login方法
*/
currentUser.login(token);
} catch (UnknownAccountException uae) {
System.out.println("UnknownAccountException---->表示用户不存在");
log.info("There is no user with username of " + token.getPrincipal());
return;
} catch (IncorrectCredentialsException ice) {
System.out.println("IncorrectCredentialsException------>表示密码错误");
log.info("Password for account " + token.getPrincipal() + " was incorrect!");
return;
} catch (LockedAccountException lae) {
System.out.println("LockedAccountException------>表示所登录的账号被锁定");
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) {
/**
* AuthenticationException是以上三个异常父类
*/
//unexpected condition? error?
}
}
//say who they are:
//print their identifying principal (in this case, a username):
System.out.println("用户登录成功");
System.out.println("认证成功-------->"+currentUser.isAuthenticated());
/**
* currentUser.getPrincipal():获取的是用户名
*/
log.info("User [" + currentUser.getPrincipal() + "] logged in successfully.");
//test a role:
/**
* 8.测试角色
* currentUser.hasRole("schwartz"):返回值为true/false
* 如果当前登录用户拥有该角色则返回true，否则返回false
*/
if (currentUser.hasRole("book_manager")) {
System.out.println("拥有schwartz角色");
log.info("May the Schwartz be with you!");
//return;
} else {
System.out.println("没有schwartz角色");
log.info("Hello, mere mortal.");
}
/**
* 9.测试权限
* currentUser.isPermitted("lightsaber:wield"):返回true/false
* 如果拥有权限返回true，否则返回false
*/
//test a typed permission (not instance-level)
if (currentUser.isPermitted("book:delete")) {
System.out.println("可以对图书进行删除操作");
log.info("You may use a lightsaber ring. Use it wisely.");
//return;
} else {
System.out.println("没有对图书操作权限");
log.info("Sorry, lightsaber rings are for schwartz masters only.");
}
//a (very powerful) Instance Level permission:
if (currentUser.isPermitted("bookUser:query:book")) {
System.out.println("拥有操作！！！！");
log.info("You are permitted to 'drive' the winnebago with license plate (id) 'eagle5'. " +
"Here are the keys - have fun!");
// return;
} else {
log.info("Sorry, you aren't allowed to drive the 'eagle5' winnebago!");
}
/**
* 10.Subjct主体对象调用logout()方法执行退出操作
*/
//all done - log out!
currentUser.logout();
System.out.println("退出后-------->"+currentUser.isAuthenticated());
System.exit(0);
}
}
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