文章目录
- 1. 添加整合依赖
- 2. 创建自定义Realm对象
- 3. 编写配置类
- 4. 实现登录拦截 -- 添加shiro内置过滤器
- 5. 实现用户验证
- 6. 请求授权实现
- 7. 前端控制 -- 根据权限显示功能
-
- 添加依赖
- 在配置类ShiroConfig中添加ShiroDialect -- 整合Shiro thymeleof
- 前端导入命名空间 xmlns:sec="http://www.thymeleaforg/thymeleaf-extras-shiro"
- 前端根据权限显示功能
1. 添加整合依赖
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-spring</artifactId>
<version>1.4.1</version>
</dependency>
2. 创建自定义Realm对象
自定义的UserRealm extends AuthorizingRealm
public class UserRealm extends AuthorizingRealm {
//授权
@Override
protected AuthorizationInfo doGetAuthorization Info(PrincipalCollection principa){
System.out.println("执行了=>授权doGetAuthorizationInfo");
return null;
}
//认证
@Override
protected AuthenticationInfo doGetAuthentication Info(AuthenticationToken token) throws Authentication{
System.out.println("执行了=>认证doGetAuthorizationInfo");
return null;
}
}
3. 编写配置类
ShiroConfig
@Configuration
public class ShiroConfig {
//shiroFilterFactoryBean:3
@Bean
public ShiroFilterFactoryBean getShiroFilterFactoryBean (@Qualifier("securityManager") DefaultWebWebSecurityManager defaultWebSecurityManager){
ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
//设置安全管理器
bean.setSecurityManager(defaultWebSecurityManager);
return bean;
}
//DafaultWebSecurityManager:2
@Bean(name="securityManager")
public DefaultWebSecurityManager getDefaultWebSecurityManager (@Qualifier ("userRealm") UserRealm userRealm ){
DefaultwebSecurityManager securityManager = new DefaultWebSecurityManager();
//关联UserRealm
securityManager.setRealm(userRealm);
return securityManager;
}
//创建 realm对象, 需要自定义类:1
@Bean
public UserRealm userRealm(){
return new UserRealm();
}
}
4. 实现登录拦截 – 添加shiro内置过滤器
在配置类ShiroConfig中的ShiroFilterFactoryBean 内添加
- anon:无需认证就可以访问
- authc:必须认证了才能让问
- user:必须拥有记住我功能才能用
- perms:拥有对某个资源的权限才能访问;
- role:拥有某个角色权限才能访问
//shiroFilterFactoryBean:3
@Bean
public ShiroFilterFactoryBean getShiroFilterFactoryBean (@Qualifier("securityManager") DefaultWebWebSecurityManager defaultWebSecurityManager){
ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
//设置安全管理器
bean.setSecurityManager(defaultWebSecurityManager);
//添加shiro的内置过滤器
Map<String, String> filterMap = new LinkedHashMap<>();
//authc:必须认证了才能让问
filterMap.put("/user/add","authc");
filterMap.put("/user/update","authc");
bean.setFilterChainDefinitionMap(filterMap);
//设置登录的请求
bean.setLoginUrl("/toLogin");
return bean;
}
5. 实现用户验证
在控制器controller中添加登录功能
@RequestMapping("/1ogin")
public string login(String username,string password, Model model){
//获取当前的用户
Subject subject = Securityutils.getSubject();
//封装用户的接录数据
UsernamePasswordToken token = new UsernamePasswordToken(username, password);
try { subject.login(token); //执行登录方法,如果没有异常就说明oK
return "index":l
}catch (UnknownAccountException e){ //用户名不存在
model.addAttribute("msg","用户名错误");
return "login";
}catch (IncorrectCredentialsException e){ //密码不存在
model.addAttribute("msg","密码错误");
return "1ogin";
}
}
在UserRealm中doGetAuthenticationInfo添加认证
//认证
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws Authentication{
System.out.println("执行了=>认证doGetAuthorizationInfo");
//用户名,密码 从数据库中接收
String name =root;
String password =123456;
UsernamePasswordToken userToken =(UsernamePasswordToken) token;
if(!userToken getUsername()equals(name)){
return nu1l;//抛出异常 UnknownAccountException
}
//密码认证, shiro做 (当前用户认证,密码,认证名)
return new SimpleAuthenticationInfo( "",password,"")
}
6. 请求授权实现
在配置类ShiroConfig中的ShiroFilterFactoryBean 内添加
- anon:无需认证就可以访问
- authc:必须认证了才能让问
- user:必须拥有记住我功能才能用
- perms:拥有对某个资源的权限才能访问;
- role:拥有某个角色权限才能访问
filterMap. put("/user/add",“perms [user: add]”); – 授权, 只有user用户存在add权限才能访问 ,否则跳转到未授权页面
//shiroFilterFactoryBean:3
@Bean
public ShiroFilterFactoryBean getShiroFilterFactoryBean (@Qualifier("securityManager") DefaultWebWebSecurityManager defaultWebSecurityManager){
ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
//设置安全管理器
bean.setSecurityManager(defaultWebSecurityManager);
//添加shiro的内置过滤器
Map<String, String> filterMap = new LinkedHashMap<>();
//授权, 只有user用户存在add权限才能访问 ,否则跳转到未授权页面
filterMap. put("/user/add","perms [user: add]");
//authc:必须认证了才能让问
filterMap.put("/user/add","authc");
filterMap.put("/user/update","authc");
bean.setFilterChainDefinitionMap(filterMap);
//设置登录的请求
bean.setLoginUrl("/toLogin");
//未授权页面
bean. setUnauthorizedUrl("/noauth");
return bean;
}
在UserRealm中doGetAuthenticationInfo添加授权
//授权
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals){
System.out.println("执行了=>授权doGetAuthorizationInfo");
//SimpleAuthorizationInfo
SimpleAuthorizationInfo info=new SimpleAuthorizationInfo();
//添加权限
info.addstringPermission("user:add");
//实际开发中权限包含在数据库中,从数据库中获取
//拿到当前登录的这个对象
subiect subject = Securityutils.getsubiect();
User currentUser = (User) subject.getPrincipal(); //拿到User对象
//设置当前用户的权限
info. addstringPermission(currentUser.getPerms());
return info;
}
7. 前端控制 – 根据权限显示功能
添加依赖
<dependency>
<groupId>com.github.theborakompanioni</groupId>
<artifactId>thymeleaf-extras-shiro</artifactId>
<version>2.0.0</version>
</dependency>
在配置类ShiroConfig中添加ShiroDialect – 整合Shiro thymeleof
//整合ShiroDialect:用来整合 shiro thymeleaf
@Bean
public ShiroDialect getShiroDialect(){
return new ShiroDialect();
}
前端导入命名空间 xmlns:sec=“http://www.thymeleaforg/thymeleaf-extras-shiro”
<html lang="en"x mlns:th="http://www.thymeleaforg
xmlns:sec="http://www.thymeleaforg/thymeleaf-extras-shiro">
前端根据权限显示功能
shiro:haspermission 判断是否有对应权限
<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>