一、简介
参考 https://blog.csdn.net/liyiming2017/article/details/78201713
Shiro核心概念
Subject：正如我们教程中提到的，Subject是程序安全视角的user。然而user通常指人类，但Subject可以是人，也可以指第三方的服务，守护进程账户，定时任务，或者其他类似的东西-基本上可以是和软件交互的任何事物。
Subject 的实例都绑定在SecurityManager上。当你和subject交互时，SecurityManager把交互转化为subject领域的交互。
SecurityManager：SecurityManager是Shiro架构的核心，他扮演着伞对象的角色（持有各组件引用，协调调用），来协调它内部的安全组件，他们一块来形成对象视图。然而，一旦程序中的SecurityManager和他内部对象已经配置好，通常上就不用再管他，程序的开发人员几乎大部分时间都会花在Subject API上。
我们接下来会深入讨论SeccurityManager。当你和Subject交互时，所做的任何Subject的安全操作，实际上是SecurityManager在幕后辛苦劳作。你要意识到这一点很重要。这些都在上面的基础流程图中有所反映。
Realms：Realms在Shiro和你的程序安全数据之间，扮演着桥梁或者连接器的角色。当和安全相关数据有交互时，比如用户登录校验和鉴权，Shiro通过程序中配置的一个或者多个Realm来查询。
在此场景中，Realm是安全领域的DAO：它封装了数据源连接的细节，使得相关数据对于shiro可用。当你配置Shiro，你必须指定至少一个realm用来登录和授权。SecurityManager可能会配置多个Realm，但是至少有一个。
Shrio提供了开箱即用的Realm来链接各种安全数据源，例如LDAP，关系型数据库（JDBC），文本配置如INI或者properties文件，等等。如果默认的Realm不能满足你的需求，你可以插入你自己的Realm实现来表述客制化的数据源。
就像其他内部的组件，Shiro的SecurityManager管理如何使用Realm来获取Subject实例相关的安全和身份信息。
二、 快速开始
- 导入依赖
<!-- https://mvnrepository.com/artifact/org.apache.shiro/shiro-core -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-core</artifactId>
<version>1.4.2</version>
</dependency>
<!-- configure logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>1.7.21</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.21</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<scope>runtime</scope>
<version>1.2.17</version>
</dependency>
- 配置log4j.properties
log4j.rootLogger=INFO, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - %m %n
# General Apache libraries
log4j.logger.org.apache=WARN
# Spring
log4j.logger.org.springframework=WARN
# Default Shiro logging
log4j.logger.org.apache.shiro=INFO
# Disable verbose logging
log4j.logger.org.apache.shiro.util.ThreadContext=WARN
log4j.logger.org.apache.shiro.cache.ehcache.EhCache=WARN
- 配置shiro.ini
[users]
# user 'root' with password 'secret' and the 'admin' role
root = secret, admin
# user 'guest' with the password 'guest' and the 'guest' role
guest = guest, guest
# user 'presidentskroob' with password '12345' ("That's the same combination on
# my luggage!!!" ;)), and role 'president'
presidentskroob = 12345, president
# user 'darkhelmet' with password 'ludicrousspeed' and roles 'darklord' and 'schwartz'
darkhelmet = ludicrousspeed, darklord, schwartz
# user 'lonestarr' with password 'vespa' and roles 'goodguy' and 'schwartz'
lonestarr = vespa, goodguy, schwartz
# -----------------------------------------------------------------------------
# Roles with assigned permissions
#
# Each line conforms to the format defined in the
# org.apache.shiro.realm.text.TextConfigurationRealm#setRoleDefinitions JavaDoc
# -----------------------------------------------------------------------------
[roles]
# 'admin' role has all permissions, indicated by the wildcard '*'
admin = *
# The 'schwartz' role can do anything (*) with any lightsaber:
schwartz = lightsaber:*
# The 'goodguy' role is allowed to 'drive' (action) the winnebago (type) with
# license plate 'eagle5' (instance specific id)
goodguy = winnebago:drive:eagle5
- 创建QuickStart类
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):
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.
SecurityUtils.setSecurityManager(securityManager);
// Now that a simple Shiro environment is set up, let's see what you can do:
// get the currently executing user:
Subject currentUser = SecurityUtils.getSubject();
// 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:
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);
}
}
三、 SpringBoot集成Shiro环境搭建
- 导入依赖
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-spring-boot-web-starter</artifactId>
<version>1.5.3</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
- 编写Realm类
public class UserRealm extends AuthorizingRealm {
/** 授权
*
* @param principalCollection
* @return
*/
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
return null;
}
/**
* 认证
* @param authenticationToken
* @return
* @throws AuthenticationException
*/
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
return null;
}
}
- 编写配置类
@Configuration
public class ShiroConfig {
//ShiroFilterFactoryBean
@Bean
public ShiroFilterFactoryBean shiroFilterFactoryBean(@Qualifier("defaultWebSecurityManager") DefaultSecurityManager securityManager){
ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
shiroFilterFactoryBean.setSecurityManager(securityManager);
return shiroFilterFactoryBean;
}
//DefaultWebSecurityManager
@Bean
public DefaultWebSecurityManager defaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
DefaultWebSecurityManager defaultWebSecurityManager = new DefaultWebSecurityManager();
//关联userRealm
defaultWebSecurityManager.setRealm(userRealm);
return defaultWebSecurityManager;
}
//创建 realm对象 需要自定义类
@Bean
public UserRealm userRealm(){
return new UserRealm();
}
}
- 编写控制器
@Controller
public class MyController {
@RequestMapping({"/", "/index"})
public String index(Model model){
model.addAttribute("msg", "hello, shiro");
return "index";
}
@RequestMapping("/user/add")
public String add(){
return "user/add";
}
@RequestMapping("/user/update")
public String update(){
return "user/update";
}
}
四、整合MyBatis
- 添加依赖
<!-- https://mvnrepository.com/artifact/com.github.theborakompanioni/thymeleaf-extras-shiro -->
<dependency>
<groupId>com.github.theborakompanioni</groupId>
<artifactId>thymeleaf-extras-shiro</artifactId>
<version>2.0.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.shiro/shiro-spring-boot-web-starter -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-spring-boot-web-starter</artifactId>
<version>1.5.3</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.12</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.mybatis.spring.boot/mybatis-spring-boot-starter -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.1.0</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
- pojo类
@Data
@NoArgsConstructor
@AllArgsConstructor
public class User {
private Integer id;
private String username;
private String password;
private String perms;
}
- mapper接口
@Repository
@Mapper
public interface UserMapper {
public User queryUserByName(String name);
}
- service
public interface UserService {
public User queryUserByName(String name);
}
@Service
public class UserServiceImpl implements UserService {
@Autowired
UserMapper userMapper;
@Override
public User queryUserByName(String name) {
return userMapper.queryUserByName(name);
}
}
- Controller
@Controller
public class MyController {
@RequestMapping({"/", "/index"})
public String index(Model model){
model.addAttribute("msg", "hello, shiro");
return "index";
}
@RequestMapping("/user/add")
public String add(){
return "user/add";
}
@RequestMapping("/user/update")
public String update(){
return "user/update";
}
@RequestMapping("/toLogin")
public String toLogin(){
return "login";
}
@RequestMapping("/login")
public String login(String username, String password, Model model){
// 获取当前的用户
Subject subject = SecurityUtils.getSubject();
// 封装用户的登录数据
UsernamePasswordToken token = new UsernamePasswordToken(username, password);
// 执行登录的操作 如果没有异常，就登录成功
try {
subject.login(token);
return "index";
} catch (UnknownAccountException e){
// 用户名不存在
model.addAttribute("msg", "用户名错误");
return "login";
} catch (IncorrectCredentialsException e){
//密码错误
model.addAttribute("msg", "密码错误");
return "login";
} catch (AuthenticationException e) {
e.printStackTrace();
model.addAttribute("msg", "未知错误");
return "login";
}
}
/**
* 未授权方
* @return
*/
@RequestMapping("/noauth")
@ResponseBody
public String unAuthorized(){
return "未授权不可访问此页面";
}
}
- applicaion配置
spring:
thymeleaf:
cache: false
datasource:
password: 123
username: root
url: jdbc:mysql://localhost:3306/test?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8
driver-class-name: com.mysql.cj.jdbc.Driver
type: com.alibaba.druid.pool.DruidDataSource
#druid 数据源专有配置
initialSize: 5
minIdle: 5
maxActive: 20
maxWait: 60000
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: SELECT 1 FROM DUAL
testWhileIdel: true
testOnBorrow: false
testOnReturn: false
poolPreparedStatements: true
#配置监控统计拦截的filters stat:监控统计 log4j:日志记录 wall:防御sql注入
#如果报错 则导入log4j依赖即可，
filters: stat,wall,log4j
maxPoolPreparedStatementPerConnectionSize: 20
useGlobalDataSourceStat: true
connectionProperties: druid.stat.mergeSql=true;druid.stat.sloSqlMillis=500
mybatis:
type-aliases-package: com.learn.pojo
mapper-locations: classpath:mapper/*.xml
- shiro配置
public class UserRealm extends AuthorizingRealm {
@Autowired
UserService userService;
/** 授权
*
* @param principalCollection
* @return
*/
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
System.out.println("执行了授权");
// 授权
SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
// info.addStringPermission("user:add");
// 拿到当前登录的这个对象
Subject subject = SecurityUtils.getSubject();
User principal = (User)subject.getPrincipal(); // 获取user对象
info.addStringPermission(principal.getPerms()); // 设置当前用户的权限
return info;
}
/**
* 认证
* @param authenticationToken
* @return
* @throws AuthenticationException
*/
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
System.out.println("执行了认证");
//连接真实的数据库
UsernamePasswordToken token = (UsernamePasswordToken) authenticationToken;
User user = userService.queryUserByName(token.getUsername());
if (user == null){
// 说明没有这个用户
return null;
}
Subject current = SecurityUtils.getSubject();
Session session = current.getSession();
session.setAttribute("loginUser", user);
//密码认证
return new SimpleAuthenticationInfo(user, user.getPassword(), "");
}
}
@Configuration
public class ShiroConfig {
//ShiroFilterFactoryBean
@Bean
public ShiroFilterFactoryBean shiroFilterFactoryBean(@Qualifier("defaultWebSecurityManager") DefaultSecurityManager securityManager){
ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
// 设置安全管理器
bean.setSecurityManager(securityManager);
// 添加shiro的内置过滤器
/*
* anon: 无需认证就可以访问
* authc: 需要认证了才能访问
* user: 必须拥有记住我才能用
* perms: 拥有某个资源的权限才能访问
* role: 拥有某个角色权限才能访问
*/
Map<String, String> map = new HashMap<>();
// 授权
map.put("/user/add", "perms[user:add]");
map.put("/user/update", "perms[user:update]");
bean.setFilterChainDefinitionMap(map);
// 设置登录的请求
bean.setLoginUrl("/toLogin");
//设置未授权请求
bean.setUnauthorizedUrl("/noauth");
return bean;
}
//DefaultWebSecurityManager
@Bean
public DefaultWebSecurityManager defaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
DefaultWebSecurityManager defaultWebSecurityManager = new DefaultWebSecurityManager();
//关联userRealm
defaultWebSecurityManager.setRealm(userRealm);
return defaultWebSecurityManager;
}
//创建 realm对象 需要自定义类
@Bean
public UserRealm userRealm(){
return new UserRealm();
}
// 整合ShiroDialect： 用来整合Shiro和thymeleaf
@Bean
public ShiroDialect shiroDialect(){
ShiroDialect shiroDialect = new ShiroDialect();
return shiroDialect;
}
}
- 页面
index.html:
<p th:text="${msg}"></p>
<br/>
<div th:if="${session.loginUser == null}">
<a th:href="@{/toLogin}">登录</a>
</div>
<div shiro:hasPermission="user:add">
<a th:href="@{/user/add}">add</a>
</div>
<div shiro:hasPermission="user:update">
<a th:href="@{/user/update}">update</a>
</div>
login.html:
<h1>登录页面</h1>
<p th:text="${msg}" style="color: red"></p>
<form th:action="@{/login}">
<p>用户名：<input type="text" name="username"></p>
<p>密码：<input type="text" name="password"></p>
<p><button type="submit">登录</button></p>
</form>
- 用户信息
启动测试功能
首页：
登录拥有add权限的用户
登录拥有update权限的用户
没有权限的用户
啥也看不到
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