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Apache-2.0

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Sa-Token v1.23.0

这可能是史上功能最全的 Java 权限认证框架!


在线资料

Sa-Token 介绍

Sa-Token是一个轻量级Java权限认证框架,主要解决:登录认证、权限认证、Session会话、单点登录、OAuth2.0、微服务网关鉴权 等一系列权限相关问题

框架集成简单、开箱即用、API设计清爽,通过Sa-Token,你将以一种极其简单的方式实现系统的权限认证部分

  • 登录认证 —— 单端登录、多端登录、同端互斥登录、七天内免登录
  • 权限认证 —— 权限认证、角色认证、会话二级认证
  • Session会话 —— 全端共享Session、单端独享Session、自定义Session
  • 踢人下线 —— 根据账号id踢人下线、根据Token值踢人下线
  • 账号封禁 —— 指定天数封禁、永久封禁、设定解封时间
  • 持久层扩展 —— 可集成Redis、Memcached等专业缓存中间件,重启数据不丢失
  • 分布式会话 —— 提供jwt集成、共享数据中心两种分布式会话方案
  • 微服务网关鉴权 —— 适配Gateway、ShenYu、Zuul等常见网关的路由拦截认证
  • 单点登录 —— 内置三种单点登录模式:无论是否跨域、是否共享Redis,都可以搞定
  • OAuth2.0认证 —— 基于RFC-6749标准编写,OAuth2.0标准流程的授权认证,支持openid模式
  • 二级认证 —— 在已登录的基础上再次认证,保证安全性
  • 独立Redis —— 将权限缓存与业务缓存分离
  • 临时Token验证 —— 解决短时间的Token授权问题
  • 模拟他人账号 —— 实时操作任意用户状态数据
  • 临时身份切换 —— 将会话身份临时切换为其它账号
  • 前后台分离 —— APP、小程序等不支持Cookie的终端
  • 同端互斥登录 —— 像QQ一样手机电脑同时在线,但是两个手机上互斥登录
  • 多账号认证体系 —— 比如一个商城项目的user表和admin表分开鉴权
  • 花式token生成 —— 内置六种Token风格,还可:自定义Token生成策略、自定义Token前缀
  • 注解式鉴权 —— 优雅的将鉴权与业务代码分离
  • 路由拦截式鉴权 —— 根据路由拦截鉴权,可适配restful模式
  • 自动续签 —— 提供两种Token过期策略,灵活搭配使用,还可自动续签
  • 会话治理 —— 提供方便灵活的会话查询接口
  • 记住我模式 —— 适配[记住我]模式,重启浏览器免验证
  • 密码加密 —— 提供密码加密模块,可快速MD5、SHA1、SHA256、AES、RSA加密
  • 全局侦听器 —— 在用户登陆、注销、被踢下线等关键性操作时进行一些AOP操作
  • 开箱即用 —— 提供SpringMVC、WebFlux等常见web框架starter集成包,真正的开箱即用
  • 更多功能正在集成中... —— 如有您有好想法或者建议,欢迎加群交流
Sa-Token 功能结构图

sa-token-js

Sa-Token 认证流程图

sa-token-rz

Sa-Token-SSO 单点登录

对于单点登录,网上教程大多以CAS模式为主,其实对于不同的系统架构,实现单点登录的步骤也大为不同,Sa-Token由简入难将其划分为三种模式:

系统架构 采用模式 简介 文档链接
前端同域 + 后端同 Redis 模式一 共享Cookie同步会话 文档示例
前端不同域 + 后端同 Redis 模式二 URL重定向传播会话 文档示例
前端不同域 + 后端 不同Redis 模式三 Http请求获取会话 文档示例
  1. 前端同域:就是指多个系统可以部署在同一个主域名之下,比如:c1.domain.comc2.domain.comc3.domain.com
  2. 后端同Redis:就是指多个系统可以连接同一个Redis,其它的缓存数据中心亦可。PS:这里并不需要把所有项目的数据都放在同一个Redis中,Sa-Token提供了 [权限缓存与业务缓存分离] 的解决方案,详情戳:Alone独立Redis插件
  3. 如果既无法做到前端同域,也无法做到后端同Redis,那么只能走模式三,Http请求获取会话(Sa-Token对SSO提供了完整的封装,你只需要按照示例从文档上复制几段代码便可以轻松集成)
  4. 技术选型一定要根据系统架构对症下药,切不可胡乱选择

Sa-Token-SSO 特性

  1. API简单易用,文档介绍详细,且提供直接可用的集成示例
  2. 支持三种模式,不论是否跨域、是否共享Redis,都可以完美解决
  3. 安全性高:内置域名校验、Ticket校验、秘钥校验等,杜绝Ticket劫持Token窃取等常见攻击手段(文档讲述攻击原理和防御手段)
  4. 不丢参数:笔者曾试验多个单点登录框架,均有参数丢失的情况,比如重定向之前是:http://a.com?id=1&name=2,登录成功之后就变成了:http://a.com?id=1,Sa-Token-SSO内有专门的算法保证了参数不丢失,登录成功之后原路返回页面
  5. 无缝集成:由于Sa-Token本身就是一个权限认证框架,因此你可以只用一个框架同时解决权限认证 + 单点登录问题,让你不再到处搜索:xxx单点登录与xxx权限认证如何整合……
  6. 高可定制:Sa-Token-SSO模块对代码架构侵入性极低,结合Sa-Token本身的路由拦截特性,你可以非常轻松的定制化开发

Sa-Token-OAuth2.0 授权登录

Sa-OAuth2 模块基于 RFC-6749 标准 编写,通过Sa-OAuth2你可以非常轻松的实现系统的OAuth2.0授权认证

  1. 授权码(Authorization Code):OAuth2.0标准授权步骤,Server端向Client端下放Code码,Client端再用Code码换取授权Token
  2. 隐藏式(Implicit):无法使用授权码模式时的备用选择,Server端使用URL重定向方式直接将Token下放到Client端页面
  3. 密码式(Password):Client直接拿着用户的账号密码换取授权Token
  4. 客户端凭证(Client Credentials):Server端针对Client级别的Token,代表应用自身的资源授权

详细参考文档:http://sa-token.dev33.cn/doc/index.html#/oauth2/readme

代码示例

Sa-Token的API调用非常简单,有多简单呢?以登录验证为例,你只需要:

// 在登录时写入当前会话的账号id
StpUtil.login(10001);

// 然后在任意需要校验登录处调用以下API
// 如果当前会话未登录,这句代码会抛出 `NotLoginException`异常
StpUtil.checkLogin();

至此,我们已经借助Sa-Token框架完成登录授权!

此时的你小脑袋可能飘满了问号,就这么简单?自定义Realm呢?全局过滤器呢?我不用写各种配置文件吗?

事实上在此我可以负责的告诉你,在Sa-Token中,登录授权就是如此的简单,不需要什么全局过滤器,不需要各种乱七八糟的配置!只需要这一行简单的API调用,即可完成会话的登录授权!

当你受够Shiro、Spring Security等框架的三拜九叩之后,你就会明白,相对于这些传统老牌框架,Sa-Token的API设计是多么的清爽!

权限认证示例 (只有具有user:add权限的会话才可以进入请求)

@SaCheckPermission("user:add")
@RequestMapping("/user/insert")
public String insert(SysUser user) {
	// ... 
	return "用户增加";
}

将某个账号踢下线 (待到对方再次访问系统时会抛出NotLoginException异常)

// 使账号id为10001的会话注销登录
StpUtil.logoutByLoginId(10001);

除了以上的示例,Sa-Token还可以一行代码完成以下功能:

StpUtil.login(10001);                     // 标记当前会话登录的账号id
StpUtil.getLoginId();                     // 获取当前会话登录的账号id
StpUtil.isLogin();                        // 获取当前会话是否已经登录, 返回true或false
StpUtil.logout();                         // 当前会话注销登录
StpUtil.logoutByLoginId(10001);           // 让账号为10001的会话注销登录(踢人下线)
StpUtil.hasRole("super-admin");           // 查询当前账号是否含有指定角色标识, 返回true或false
StpUtil.hasPermission("user:add");        // 查询当前账号是否含有指定权限, 返回true或false
StpUtil.getSession();                     // 获取当前账号id的Session
StpUtil.getSessionByLoginId(10001);       // 获取账号id为10001的Session
StpUtil.getTokenValueByLoginId(10001);    // 获取账号id为10001的token令牌值
StpUtil.login(10001, "PC");               // 指定设备标识登录
StpUtil.logoutByLoginId(10001, "PC");     // 指定设备标识进行强制注销 (不同端不受影响)
StpUtil.switchTo(10044);                  // 将当前会话身份临时切换为其它账号

Sa-Token API 众多,请恕此处无法为您逐一展示,更多示例请戳官方在线文档

Star 趋势

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使用Sa-Token的开源项目

[ sa-plus ] 一个基于springboot架构的快速开发框架,内置代码生成器

[ jthink ] 一个基于springboot+sa-token+thymeleaf的博客系统

[ dcy-fast ] 一个基于springboot+sa-token+mybatis-plus的后台管理系统,前端vue-element-admin,并且内置代码生成器

[ helio-starters ] 基于JDK15 + Spring Boot 2.4 + Sa-Token + Mybatis-Plus的单体Boot版脚手架和微服务Cloud版脚手架,带有配套后台管理前端模板及代码生成器

如果您的项目使用了Sa-Token,欢迎提交pr

友情链接

[ okhttps ] 一个轻量级http通信框架,API设计无比优雅,支持 WebSocket 以及 Stomp 协议

[ 小诺快速开发平台 ] 基于SpringBoot2 + AntDesignVue全新快速开发平台,同时拥有三个版本

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简介

这可能是史上功能最全的Java权限认证框架!目前已集成——登录认证、权限认证、分布式Session会话、微服务网关鉴权、单点登录、OAuth2.0、踢人下线、Redis集成、前后台分离、记住我模式、模拟他人账号、临时身份切换、账号封禁、多账号认证体系、注解式鉴权、路由拦截式鉴权、花式token生成、自动续签、同端互斥登录、会话治理、密码加密、jwt集成、Spring集成、WebFlux集成... 展开 收起
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