Spring Security + JWT 实现单点登录，还有谁不会。。。
Posted Java技术栈
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了Spring Security + JWT 实现单点登录，还有谁不会。。。相关的知识，希望对你有一定的参考价值。
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
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，
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
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/spring-boot-best-practice
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.3.RELEASE</version>
<relativePath/>
</parent>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
导入JWT相关的依赖
<dependencies>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-api</artifactId>
<version>0.10.7</version>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-impl</artifactId>
<version>0.10.7</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-jackson</artifactId>
<version>0.10.7</version>
<scope>runtime</scope>
</dependency>
<!--jackson包-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.9</version>
</dependency>
<!--日志包-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
</dependencies>创建相关的工具类
Payload
@Data
public class Payload <T>
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> T toBean(String json, Class<T> tClass)
try
return mapper.readValue(json, tClass);
catch (IOException e)
logger.error("json解析出错：" + json, e);
return null;
public static <E> List<E> toList(String json, Class<E> 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 <K, V> Map<K, V> toMap(String json, Class<K> kClass, Class<V> 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> T nativeRead(String json, TypeReference<T> 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<Claims>
*/
private static Jws<Claims> 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 <T> Payload<T> getInfoFromToken(String token, PublicKey publicKey, Class<T> userType)
Jws<Claims> claimsJws = parserToken(token, publicKey);
Claims body = claimsJws.getBody();
Payload<T> 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 <T> Payload<T> getInfoFromToken(String token, PublicKey publicKey)
Jws<Claims> claimsJws = parserToken(token, publicKey);
Claims body = claimsJws.getBody();
Payload<T> 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);
2.3认证系统创建
接下来我们创建我们的认证服务。
导入相关的依赖
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<artifactId>security-jwt-common</artifactId>
<groupId>com.dpb</groupId>
<version>1.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.47</version>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.1.0</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.10</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
</dependencies>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
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<RolePojo> roles;
@JsonIgnore
@Override
public Collection<? extends GrantedAuthority> getAuthorities()
List<SimpleGrantedAuthority> 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
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.dpb.mapper.UserMapper">
<select id="queryByUserName" resultType="UserPojo">
select * from t_user where username = #userName
</select>
</mapper>
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<RolePojo>)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 TokenVerifyFilter extends 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<UserPojo> 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 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("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
通过Postman来访问测试
根据token信息我们访问其他资源
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
导入相关的依赖
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<artifactId>security-jwt-common</artifactId>
<groupId>com.dpb</groupId>
<version>1.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.47</version>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.1.0</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.10</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
</dependencies>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
作者：波波烤鸭
来源：dpb-bobokaoya-sm.blog.csdn.net/artiacle/details/103409430
近期热文推荐：
1.1,000+ 道 Java面试题及答案整理(2022最新版)
4.别再写满屏的爆爆爆炸类了，试试装饰器模式，这才是优雅的方式！！
觉得不错，别忘了随手点赞+转发哦！
以上是关于Spring Security + JWT 实现单点登录，还有谁不会。。。的主要内容，如果未能解决你的问题，请参考以下文章
Spring Security + JWT 实现单点登录，还有谁不会？？
spring boot + jwt + spring security前后端分离实现权限控制
全网最细致SpringBoot整合Spring Security + JWT实现用户认证