Spring Security + JWT 实现单点登录,还有谁不会(?)

本文我们来看下 SpringSecurity + JWT 实现单点登录操作,本文 2W 字,预计阅读时间 30 min,文章提供了代码骨架,建议收藏。
一、什么是单点登陆
单点登录(Single Sign On),简称为 SSO,是目前比较流行的企业业务整合的解决方案之一。SSO的定义是在多个应用系统中,用户只需要登录一次就可以访问所有相互信任的应用系统
【Spring Security + JWT 实现单点登录,还有谁不会(?)】二、简单的运行机制
单点登录的机制其实是比较简单的,用一个现实中的例子做比较。某公园内部有许多独立的景点,游客可以在各个景点门口单独买票。
对于需要游玩所有的景点的游客,这种买票方式很不方便,需要在每个景点门口排队买票,钱包拿 进拿出的,容易丢失,很不安全。
于是绝大多数游客选择在大门口买一张通票(也叫套票),就可以玩遍所有的景点而不需要重新再买票。他们只需要在每个景点门 口出示一下刚才买的套票就能够被允许进入每个独立的景点。
单点登录的机制也一样,如下图所示,
Spring Security + JWT 实现单点登录,还有谁不会(?)
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用户认证:这一环节主要是用户向认证服务器发起认证请求,认证服务器给用户返回一个成功的令牌token,主要在认证服务器中完成,即图中的认证系统,注意认证系统只能有一个。
身份校验: 这一环节是用户携带token去访问其他服务器时,在其他服务器中要对token的真伪进行检验,主要在资源服务器中完成,即图中的应用系统2 3
三、JWT介绍
概念说明 从分布式认证流程中,我们不难发现,这中间起最关键作用的就是token,token的安全与否,直接关系到系统的健壮性,这里我们选择使用JWT来实现token的生成和校验。
JWT,全称JSON Web Token,官网地址:https://jwt.io,是一款出色的分布式身份校验方案。可以生成token,也可以解析检验token。
JWT生成的token由三部分组成:

  • 头部:主要设置一些规范信息,签名部分的编码格式就在头部中声明。
  • 载荷:token中存放有效信息的部分,比如用户名,用户角色,过期时间等,但是不要放密码,会泄露!
  • 签名:将头部与载荷分别采用base64编码后,用“.”相连,再加入盐,最后使用头部声明的编码类型进行编码,就得到了签名。
JWT生成token的安全性分析 从JWT生成的token组成上来看,要想避免token被伪造,主要就得看签名部分了,而签名部分又有三部分组成,其中头部和载荷的base64编码,几乎是透明的,毫无安全性可言,那么最终守护token安全的重担就落在了加入的盐上面了!
试想:如果生成token所用的盐与解析token时加入的盐是一样的。岂不是类似于中国人民银行把人民币防伪技术公开了?大家可以用这个盐来解析token,就能用来伪造token。这时,我们就需要对盐采用非对称加密的方式进行加密,以达到生成token与校验token方所用的盐不一致的安全效果!
非对称加密RSA介绍 基本原理:同时生成两把密钥:私钥和公钥,私钥隐秘保存,公钥可以下发给信任客户端
  • 私钥加密,持有私钥或公钥才可以解密
  • 公钥加密,持有私钥才可解密
优点: 安全,难以破解
缺点: 算法比较耗时,为了安全,可以接受
历史: 三位数学家Rivest、Shamir 和 Adleman 设计了一种算法,可以实现非对称加密。这种算法用他们三个人的名字缩写:RSA。
四、SpringSecurity整合JWT
1.认证思路分析
SpringSecurity主要是通过过滤器来实现功能的!我们要找到SpringSecurity实现认证和校验身份的过滤器!
回顾集中式认证流程 用户认证:使用UsernamePasswordAuthenticationFilter过滤器中attemptAuthentication方法实现认证功能,该过滤器父类中successfulAuthentication方法实现认证成功后的操作。
身份校验:使用BasicAuthenticationFilter过滤器中doFilterInternal方法验证是否登录,以决定能否进入后续过滤器。
分析分布式认证流程 用户认证:
由于分布式项目,多数是前后端分离的架构设计,我们要满足可以接受异步post的认证请求参数,需要修改UsernamePasswordAuthenticationFilter过滤器中attemptAuthentication方法,让其能够接收请求体。
另外,默认successfulAuthentication方法在认证通过后,是把用户信息直接放入session就完事了,现在我们需要修改这个方法,在认证通过后生成token并返回给用户。
身份校验:
原来BasicAuthenticationFilter过滤器中doFilterInternal方法校验用户是否登录,就是看session中是否有用户信息,我们要修改为,验证用户携带的token是否合法,并解析出用户信息,交给SpringSecurity,以便于后续的授权功能可以正常使用。
2.具体实现
为了演示单点登录的效果,我们设计如下项目结构
Spring Security + JWT 实现单点登录,还有谁不会(?)
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2.1父工程创建 因为本案例需要创建多个系统,所以我们使用maven聚合工程来实现,首先创建一个父工程,导入springboot的父依赖即可。
Spring Boot 基础就不介绍了,推荐下这个实战教程:
https://github.com/javastacks...
org.springframework.boot spring-boot-starter-parent 2.1.3.RELEASE

2.2公共工程创建 然后创建一个common工程,其他工程依赖此系统
Spring Security + JWT 实现单点登录,还有谁不会(?)
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导入JWT相关的依赖
io.jsonwebtoken jjwt-api 0.10.7 io.jsonwebtoken jjwt-impl 0.10.7 runtime io.jsonwebtoken jjwt-jackson 0.10.7 runtime com.fasterxml.jackson.core jackson-databind 2.9.9 org.springframework.boot spring-boot-starter-logging joda-time joda-time org.projectlombok lombok org.springframework.boot spring-boot-starter-test

创建相关的工具类
Spring Security + JWT 实现单点登录,还有谁不会(?)
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Payload
@Data public class Payload { private String id; private T userInfo; private Date expiration; }

JsonUtils
public class JsonUtils {public static final ObjectMapper mapper = new ObjectMapper(); private static final Logger logger = LoggerFactory.getLogger(JsonUtils.class); public static String toString(Object obj) { if (obj == null) { return null; } if (obj.getClass() == String.class) { return (String) obj; } try { return mapper.writeValueAsString(obj); } catch (JsonProcessingException e) { logger.error("json序列化出错:" + obj, e); return null; } }public static T toBean(String json, Class tClass) { try { return mapper.readValue(json, tClass); } catch (IOException e) { logger.error("json解析出错:" + json, e); return null; } }public static List toList(String json, Class eClass) { try { return mapper.readValue(json, mapper.getTypeFactory().constructCollectionType(List.class, eClass)); } catch (IOException e) { logger.error("json解析出错:" + json, e); return null; } }public static Map toMap(String json, Class kClass, Class vClass) { try { return mapper.readValue(json, mapper.getTypeFactory().constructMapType(Map.class, kClass, vClass)); } catch (IOException e) { logger.error("json解析出错:" + json, e); return null; } }public static T nativeRead(String json, TypeReference type) { try { return mapper.readValue(json, type); } catch (IOException e) { logger.error("json解析出错:" + json, e); return null; } } }

JwtUtils
public class JwtUtils {private static final String JWT_PAYLOAD_USER_KEY = "user"; /** * 私钥加密token * * @param userInfo 载荷中的数据 * @param privateKey 私钥 * @param expire 过期时间,单位分钟 * @return JWT */ public static String generateTokenExpireInMinutes(Object userInfo, PrivateKey privateKey, int expire) { return Jwts.builder() .claim(JWT_PAYLOAD_USER_KEY, JsonUtils.toString(userInfo)) .setId(createJTI()) .setExpiration(DateTime.now().plusMinutes(expire).toDate()) .signWith(privateKey, SignatureAlgorithm.RS256) .compact(); }/** * 私钥加密token * * @param userInfo 载荷中的数据 * @param privateKey 私钥 * @param expire 过期时间,单位秒 * @return JWT */ public static String generateTokenExpireInSeconds(Object userInfo, PrivateKey privateKey, int expire) { return Jwts.builder() .claim(JWT_PAYLOAD_USER_KEY, JsonUtils.toString(userInfo)) .setId(createJTI()) .setExpiration(DateTime.now().plusSeconds(expire).toDate()) .signWith(privateKey, SignatureAlgorithm.RS256) .compact(); }/** * 公钥解析token * * @param token 用户请求中的token * @param publicKey 公钥 * @return Jws */ private static Jws parserToken(String token, PublicKey publicKey) { return Jwts.parser().setSigningKey(publicKey).parseClaimsJws(token); }private static String createJTI() { return new String(Base64.getEncoder().encode(UUID.randomUUID().toString().getBytes())); }/** * 获取token中的用户信息 * * @param token 用户请求中的令牌 * @param publicKey 公钥 * @return 用户信息 */ public static Payload getInfoFromToken(String token, PublicKey publicKey, Class userType) { Jws claimsJws = parserToken(token, publicKey); Claims body = claimsJws.getBody(); Payload claims = new Payload<>(); claims.setId(body.getId()); claims.setUserInfo(JsonUtils.toBean(body.get(JWT_PAYLOAD_USER_KEY).toString(), userType)); claims.setExpiration(body.getExpiration()); return claims; }/** * 获取token中的载荷信息 * * @param token 用户请求中的令牌 * @param publicKey 公钥 * @return 用户信息 */ public static Payload getInfoFromToken(String token, PublicKey publicKey) { Jws claimsJws = parserToken(token, publicKey); Claims body = claimsJws.getBody(); Payload claims = new Payload<>(); claims.setId(body.getId()); claims.setExpiration(body.getExpiration()); return claims; } }

RsaUtils
public class RsaUtils {private static final int DEFAULT_KEY_SIZE = 2048; /** * 从文件中读取公钥 * * @param filename 公钥保存路径,相对于classpath * @return 公钥对象 * @throws Exception */ public static PublicKey getPublicKey(String filename) throws Exception { byte[] bytes = readFile(filename); return getPublicKey(bytes); }/** * 从文件中读取密钥 * * @param filename 私钥保存路径,相对于classpath * @return 私钥对象 * @throws Exception */ public static PrivateKey getPrivateKey(String filename) throws Exception { byte[] bytes = readFile(filename); return getPrivateKey(bytes); }/** * 获取公钥 * * @param bytes 公钥的字节形式 * @return * @throws Exception */ private static PublicKey getPublicKey(byte[] bytes) throws Exception { bytes = Base64.getDecoder().decode(bytes); X509EncodedKeySpec spec = new X509EncodedKeySpec(bytes); KeyFactory factory = KeyFactory.getInstance("RSA"); return factory.generatePublic(spec); }/** * 获取密钥 * * @param bytes 私钥的字节形式 * @return * @throws Exception */ private static PrivateKey getPrivateKey(byte[] bytes) throws NoSuchAlgorithmException, InvalidKeySpecException { bytes = Base64.getDecoder().decode(bytes); PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(bytes); KeyFactory factory = KeyFactory.getInstance("RSA"); return factory.generatePrivate(spec); }/** * 根据密文,生存rsa公钥和私钥,并写入指定文件 * * @param publicKeyFilename 公钥文件路径 * @param privateKeyFilename 私钥文件路径 * @param secret 生成密钥的密文 */ public static void generateKey(String publicKeyFilename, String privateKeyFilename, String secret, int keySize) throws Exception { KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA"); SecureRandom secureRandom = new SecureRandom(secret.getBytes()); keyPairGenerator.initialize(Math.max(keySize, DEFAULT_KEY_SIZE), secureRandom); KeyPair keyPair = keyPairGenerator.genKeyPair(); // 获取公钥并写出 byte[] publicKeyBytes = keyPair.getPublic().getEncoded(); publicKeyBytes = Base64.getEncoder().encode(publicKeyBytes); writeFile(publicKeyFilename, publicKeyBytes); // 获取私钥并写出 byte[] privateKeyBytes = keyPair.getPrivate().getEncoded(); privateKeyBytes = Base64.getEncoder().encode(privateKeyBytes); writeFile(privateKeyFilename, privateKeyBytes); }private static byte[] readFile(String fileName) throws Exception { return Files.readAllBytes(new File(fileName).toPath()); }private static void writeFile(String destPath, byte[] bytes) throws IOException { File dest = new File(destPath); if (!dest.exists()) { dest.createNewFile(); } Files.write(dest.toPath(), bytes); } }

在通用子模块中编写测试类生成rsa公钥和私钥
public class JwtTest { private String privateKey = "c:/tools/auth_key/id_key_rsa"; private String publicKey = "c:/tools/auth_key/id_key_rsa.pub"; @Test public void test1() throws Exception{ RsaUtils.generateKey(publicKey,privateKey,"dpb",1024); }}

Spring Security + JWT 实现单点登录,还有谁不会(?)
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2.3认证系统创建 接下来我们创建我们的认证服务。
Spring Security + JWT 实现单点登录,还有谁不会(?)
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导入相关的依赖
org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-security security-jwt-common com.dpb 1.0-SNAPSHOT mysql mysql-connector-java 5.1.47 org.mybatis.spring.boot mybatis-spring-boot-starter 2.1.0 com.alibaba druid 1.1.10 org.springframework.boot spring-boot-configuration-processor true

创建配置文件
spring: datasource: driver-class-name: com.mysql.jdbc.Driver url: jdbc:mysql://localhost:3306/srm username: root password: 123456 type: com.alibaba.druid.pool.DruidDataSource mybatis: type-aliases-package: com.dpb.domain mapper-locations: classpath:mapper/*.xml logging: level: com.dpb: debug rsa: key: pubKeyFile: c:\tools\auth_key\id_key_rsa.pub priKeyFile: c:\tools\auth_key\id_key_rsa

Spring Security + JWT 实现单点登录,还有谁不会(?)
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提供公钥私钥的配置类
package com.dpb.config; import com.dpb.utils.RsaUtils; import lombok.Data; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.context.annotation.Configuration; import javax.annotation.PostConstruct; import java.security.PrivateKey; import java.security.PublicKey; /** * @program: springboot-54-security-jwt-demo * @description: * @author: 波波烤鸭 * @create: 2019-12-03 11:25 */ @Data @ConfigurationProperties(prefix = "rsa.key") public class RsaKeyProperties {private String pubKeyFile; private String priKeyFile; private PublicKey publicKey; private PrivateKey privateKey; /** * 系统启动的时候触发 * @throws Exception */ @PostConstruct public void createRsaKey() throws Exception { publicKey = RsaUtils.getPublicKey(pubKeyFile); privateKey = RsaUtils.getPrivateKey(priKeyFile); }}

创建启动类
/** * @program: springboot-54-security-jwt-demo * @description: 启动类 * @author: 波波烤鸭 * @create: 2019-12-03 11:23 */ @SpringBootApplication @MapperScan("com.dpb.mapper") @EnableConfigurationProperties(RsaKeyProperties.class) public class App {public static void main(String[] args) { SpringApplication.run(App.class,args); } }

完成数据认证的逻辑
pojo
package com.dpb.domain; import com.fasterxml.jackson.annotation.JsonIgnore; import lombok.Data; import org.springframework.security.core.GrantedAuthority; /** * @program: springboot-54-security-jwt-demo * @description: * @author: 波波烤鸭 * @create: 2019-12-03 15:21 */ @Data public class RolePojo implements GrantedAuthority {private Integer id; private String roleName; private String roleDesc; @JsonIgnore @Override public String getAuthority() { return roleName; } }

package com.dpb.domain; import com.fasterxml.jackson.annotation.JsonIgnore; import lombok.Data; import org.springframework.security.core.GrantedAuthority; import org.springframework.security.core.authority.SimpleGrantedAuthority; import org.springframework.security.core.userdetails.UserDetails; import java.util.ArrayList; import java.util.Collection; import java.util.List; /** * @program: springboot-54-security-jwt-demo * @description: * @author: 波波烤鸭 * @create: 2019-12-03 11:33 */ @Data public class UserPojo implements UserDetails {private Integer id; private String username; private String password; private Integer status; private List roles; @JsonIgnore @Override public Collection getAuthorities() { List auth = new ArrayList<>(); auth.add(new SimpleGrantedAuthority("ADMIN")); return auth; }@Override public String getPassword() { return this.password; }@Override public String getUsername() { return this.username; } @JsonIgnore @Override public boolean isAccountNonExpired() { return true; } @JsonIgnore @Override public boolean isAccountNonLocked() { return true; } @JsonIgnore @Override public boolean isCredentialsNonExpired() { return true; } @JsonIgnore @Override public boolean isEnabled() { return true; } }

Mapper接口
public interface UserMapper { public UserPojo queryByUserName(@Param("userName") String userName); }

Mapper映射文件
select * from t_user where username = #{userName}

Service
public interface UserService extends UserDetailsService {}@Service @Transactional public class UserServiceImpl implements UserService {@Autowired private UserMapper mapper; @Override public UserDetails loadUserByUsername(String s) throws UsernameNotFoundException { UserPojo user = mapper.queryByUserName(s); return user; } }

自定义认证过滤器
package com.dpb.filter; import com.dpb.config.RsaKeyProperties; import com.dpb.domain.RolePojo; import com.dpb.domain.UserPojo; import com.dpb.utils.JwtUtils; import com.fasterxml.jackson.databind.ObjectMapper; import net.bytebuddy.agent.builder.AgentBuilder; import org.springframework.security.authentication.AuthenticationManager; import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; import org.springframework.security.core.Authentication; import org.springframework.security.core.AuthenticationException; import org.springframework.security.core.authority.SimpleGrantedAuthority; import org.springframework.security.core.userdetails.User; import org.springframework.security.core.userdetails.UserDetails; import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter; import javax.servlet.FilterChain; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; /** * @program: springboot-54-security-jwt-demo * @description: * @author: 波波烤鸭 * @create: 2019-12-03 11:57 */ public class TokenLoginFilter extends UsernamePasswordAuthenticationFilter {private AuthenticationManager authenticationManager; private RsaKeyProperties prop; public TokenLoginFilter(AuthenticationManager authenticationManager, RsaKeyProperties prop) { this.authenticationManager = authenticationManager; this.prop = prop; }public Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response) throws AuthenticationException { try { UserPojo sysUser = new ObjectMapper().readValue(request.getInputStream(), UserPojo.class); UsernamePasswordAuthenticationToken authRequest = new UsernamePasswordAuthenticationToken(sysUser.getUsername(), sysUser.getPassword()); return authenticationManager.authenticate(authRequest); }catch (Exception e){ try { response.setContentType("application/json; charset=utf-8"); response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); PrintWriter out = response.getWriter(); Map resultMap = new HashMap(); resultMap.put("code", HttpServletResponse.SC_UNAUTHORIZED); resultMap.put("msg", "用户名或密码错误!"); out.write(new ObjectMapper().writeValueAsString(resultMap)); out.flush(); out.close(); }catch (Exception outEx){ outEx.printStackTrace(); } throw new RuntimeException(e); } }public void successfulAuthentication(HttpServletRequest request, HttpServletResponse response, FilterChain chain, Authentication authResult) throws IOException, ServletException { UserPojo user = new UserPojo(); user.setUsername(authResult.getName()); user.setRoles((List)authResult.getAuthorities()); String token = JwtUtils.generateTokenExpireInMinutes(user, prop.getPrivateKey(), 24 * 60); response.addHeader("Authorization", "Bearer "+token); try { response.setContentType("application/json; charset=utf-8"); response.setStatus(HttpServletResponse.SC_OK); PrintWriter out = response.getWriter(); Map resultMap = new HashMap(); resultMap.put("code", HttpServletResponse.SC_OK); resultMap.put("msg", "认证通过!"); out.write(new ObjectMapper().writeValueAsString(resultMap)); out.flush(); out.close(); }catch (Exception outEx){ outEx.printStackTrace(); } } }

自定义校验token的过滤器
package com.dpb.filter; import com.dpb.config.RsaKeyProperties; import com.dpb.domain.Payload; import com.dpb.domain.UserPojo; import com.dpb.utils.JwtUtils; import com.fasterxml.jackson.databind.ObjectMapper; import org.springframework.security.authentication.AuthenticationManager; import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; import org.springframework.security.core.context.SecurityContextHolder; import org.springframework.security.web.authentication.www.BasicAuthenticationFilter; import javax.servlet.FilterChain; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.PrintWriter; import java.util.HashMap; import java.util.Map; /** * @program: springboot-54-security-jwt-demo * @description: * @author: 波波烤鸭 * @create: 2019-12-03 12:39 */ public class TokenVerifyFilterextends BasicAuthenticationFilter { private RsaKeyProperties prop; public TokenVerifyFilter(AuthenticationManager authenticationManager, RsaKeyProperties prop) { super(authenticationManager); this.prop = prop; }public void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException { String header = request.getHeader("Authorization"); if (header == null || !header.startsWith("Bearer ")) { //如果携带错误的token,则给用户提示请登录! chain.doFilter(request, response); response.setContentType("application/json; charset=utf-8"); response.setStatus(HttpServletResponse.SC_FORBIDDEN); PrintWriter out = response.getWriter(); Map resultMap = new HashMap(); resultMap.put("code", HttpServletResponse.SC_FORBIDDEN); resultMap.put("msg", "请登录!"); out.write(new ObjectMapper().writeValueAsString(resultMap)); out.flush(); out.close(); } else { //如果携带了正确格式的token要先得到token String token = header.replace("Bearer ", ""); //验证tken是否正确 Payload payload = JwtUtils.getInfoFromToken(token, prop.getPublicKey(), UserPojo.class); UserPojo user = payload.getUserInfo(); if(user!=null){ UsernamePasswordAuthenticationToken authResult = new UsernamePasswordAuthenticationToken(user.getUsername(), null, user.getAuthorities()); SecurityContextHolder.getContext().setAuthentication(authResult); chain.doFilter(request, response); } } }}

编写SpringSecurity的配置类
package com.dpb.config; import com.dpb.filter.TokenLoginFilter; import com.dpb.filter.TokenVerifyFilter; import com.dpb.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder; import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity; import org.springframework.security.config.annotation.web.builders.HttpSecurity; import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity; import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter; import org.springframework.security.config.http.SessionCreationPolicy; import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder; /** * @program: springboot-54-security-jwt-demo * @description: * @author: 波波烤鸭 * @create: 2019-12-03 12:41 */ @Configuration @EnableWebSecurity @EnableGlobalMethodSecurity(securedEnabled=true) public class WebSecurityConfigextends WebSecurityConfigurerAdapter {@Autowired private UserService userService; @Autowired private RsaKeyProperties prop; @Bean public BCryptPasswordEncoder passwordEncoder(){ return new BCryptPasswordEncoder(); }//指定认证对象的来源 public void configure(AuthenticationManagerBuilder auth) throws Exception { auth.userDetailsService(userService).passwordEncoder(passwordEncoder()); } //SpringSecurity配置信息 public void configure(HttpSecurity http) throws Exception { http.csrf() .disable() .authorizeRequests() .antMatchers("/user/query").hasAnyRole("ADMIN") .anyRequest() .authenticated() .and() .addFilter(new TokenLoginFilter(super.authenticationManager(), prop)) .addFilter(new TokenVerifyFilter(super.authenticationManager(), prop)) .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS); } }

启动服务测试
启动服务
Spring Security + JWT 实现单点登录,还有谁不会(?)
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通过Postman来访问测试
Spring Security + JWT 实现单点登录,还有谁不会(?)
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Spring Security + JWT 实现单点登录,还有谁不会(?)
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根据token信息我们访问其他资源
Spring Security + JWT 实现单点登录,还有谁不会(?)
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2.4资源系统创建 说明
资源服务可以有很多个,这里只拿产品服务为例,记住,资源服务中只能通过公钥验证认证。不能签发token!创建产品服务并导入jar包根据实际业务导包即可,咱们就暂时和认证服务一样了。
接下来我们再创建一个资源服务
Spring Security + JWT 实现单点登录,还有谁不会(?)
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导入相关的依赖
org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-security security-jwt-common com.dpb 1.0-SNAPSHOT mysql mysql-connector-java 5.1.47 org.mybatis.spring.boot mybatis-spring-boot-starter 2.1.0 com.alibaba druid 1.1.10 org.springframework.boot spring-boot-configuration-processor true

编写产品服务配置文件
切记这里只能有公钥地址!
server: port: 9002 spring: datasource: driver-class-name: com.mysql.jdbc.Driver url: jdbc:mysql://localhost:3306/srm username: root password: 123456 type: com.alibaba.druid.pool.DruidDataSource mybatis: type-aliases-package: com.dpb.domain mapper-locations: classpath:mapper/*.xml logging: level: com.dpb: debug rsa: key: pubKeyFile: c:\tools\auth_key\id_key_rsa.pub

编写读取公钥的配置类
@Data @ConfigurationProperties(prefix = "rsa.key") public class RsaKeyProperties {private String pubKeyFile; private PublicKey publicKey; /** * 系统启动的时候触发 * @throws Exception */ @PostConstruct public void createRsaKey() throws Exception { publicKey = RsaUtils.getPublicKey(pubKeyFile); }}

编写启动类
@SpringBootApplication @MapperScan("com.dpb.mapper") @EnableConfigurationProperties(RsaKeyProperties.class) public class App {public static void main(String[] args) { SpringApplication.run(App.class,args); } }

复制认证服务中,用户对象,角色对象和校验认证的接口
复制认证服务中的相关内容即可
复制认证服务中SpringSecurity配置类做修改
@Configuration @EnableWebSecurity @EnableGlobalMethodSecurity(securedEnabled=true) public class WebSecurityConfig extends WebSecurityConfigurerAdapter {@Autowired private UserService userService; @Autowired private RsaKeyProperties prop; @Bean public BCryptPasswordEncoder passwordEncoder(){ return new BCryptPasswordEncoder(); }//指定认证对象的来源 public void configure(AuthenticationManagerBuilder auth) throws Exception { auth.userDetailsService(userService).passwordEncoder(passwordEncoder()); } //SpringSecurity配置信息 public void configure(HttpSecurity http) throws Exception { http.csrf() .disable() .authorizeRequests() //.antMatchers("/user/query").hasAnyRole("USER") .anyRequest() .authenticated() .and() .addFilter(new TokenVerifyFilter(super.authenticationManager(), prop)) // 禁用掉session .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS); } }

去掉“增加自定义认证过滤器”即可!
编写产品处理器
@RestController @RequestMapping("/user") public class UserController {@RequestMapping("/query") public String query(){ return "success"; }@RequestMapping("/update") public String update(){ return "update"; } }

测试
Spring Security + JWT 实现单点登录,还有谁不会(?)
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作者:波波烤鸭\
来源:dpb-bobokaoya-sm.blog.csdn.net/artiacle/details/103409430
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