jwt实现token

unilife-server/pom.xml

@@ -49,7 +49,12 @@
             <artifactId>hutool-all</artifactId>
             <version>5.8.16</version>
         </dependency>
-
+<!--        jwt-->
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt</artifactId>
+            <version>0.9.1</version>
+        </dependency>
 <!--        redis-->
         <dependency>
             <groupId>org.springframework.boot</groupId>

unilife-server/src/main/java/com/unilife/config/WebMvcConfig.java

@@ -0,0 +1,29 @@
+package com.unilife.config;
+
+import com.unilife.interceptor.JwtInterceptor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class WebMvcConfig implements WebMvcConfigurer {
+    @Autowired
+    private JwtInterceptor jwtInterceptor;
+
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+        registry.addInterceptor(jwtInterceptor).addPathPatterns("/**")
+                .excludePathPatterns(
+                        "/users/login",
+                        "/users/register",
+                        "/users/code",
+                        "/users/login/code",
+                        "/swagger-resources/**",
+                        "/v2/api-docs/**",
+                        "/doc.html",
+                        "/webjars/**"
+                        );
+    }
+
+}

unilife-server/src/main/java/com/unilife/controller/UserController.java

@@ -2,19 +2,26 @@ package com.unilife.controller;
 
 import com.unilife.common.result.Result;
 import com.unilife.model.dto.EmailDTO;
-import com.unilife.model.dto.LogDTO;
 import com.unilife.model.dto.LoginDTO;
 import com.unilife.model.dto.LoginEmailDTO;
+import com.unilife.model.dto.RegisterDTO;
+import com.unilife.model.vo.LoginVO;
+import com.unilife.model.vo.RegisterVO;
 import com.unilife.service.UserService;
+import com.unilife.utils.BaseContext;
+import com.unilife.utils.JwtUtil;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.time.Duration;
+
 
 @Api(tags = "用户管理")
 @RestController
@@ -24,16 +31,34 @@ public class UserController {
 
     @Autowired
     private UserService userService;
+    @Autowired
+    private JwtUtil jwtUtil;
+    @Autowired
+    private StringRedisTemplate stringRedisTemplate;
 
     @ApiOperation(value = "用户注册")
     @PostMapping("register")
-    public Result register(@RequestBody LoginDTO loginDTO) {
-        return userService.register(loginDTO);
+    public Result register(@RequestBody RegisterDTO registerDTO) {
+        return userService.register(registerDTO);
     }
 
     @ApiOperation(value = "用户登录")
     @PostMapping("login")
-    public Result login(@RequestBody LogDTO logDTO) { return userService.login(logDTO); }
+    public Result login(@RequestBody LoginDTO loginDTO) {
+        Result login = userService.login(loginDTO);
+        //登陆成功后生成jwt令牌
+        LoginVO vo=(LoginVO) login.getData();
+        if (vo == null) {
+            return login;
+        }
+        Long id = vo.getId();
+        String token = jwtUtil.generateToken(id);
+        vo.setToken(token);
+
+        //Threadlocal保存当前用户id
+        BaseContext.setId(id);
+        return Result.success(vo);
+    }
 
     @ApiOperation(value = "获取邮箱验证码")
     @PostMapping("code")

unilife-server/src/main/java/com/unilife/interceptor/JwtInterceptor.java

@@ -0,0 +1,54 @@
+package com.unilife.interceptor;
+
+import cn.hutool.core.util.StrUtil;
+import com.unilife.utils.BaseContext;
+import com.unilife.utils.JwtUtil;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.stereotype.Component;
+import org.springframework.web.servlet.HandlerInterceptor;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@Component
+@Slf4j
+public class JwtInterceptor implements HandlerInterceptor {
+    @Autowired
+    private JwtUtil jwtUtil;
+
+    @Autowired
+    private StringRedisTemplate stringRedisTemplate;
+
+
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+
+        log.info("JwtInterceptor preHandle");
+        String token = request.getHeader("Authorization");
+
+        if(StrUtil.isBlank(token)){
+            response.setStatus(401);
+            return false;
+        }
+
+        boolean verified = jwtUtil.verifyToken(token);
+        if (!verified) {
+            response.setStatus(401);
+            return false;
+        }
+
+        //从token中获取userid并存入threadlocal
+        Long userId = jwtUtil.getUserIdFromToken(token);
+        BaseContext.setId(userId);
+
+
+        return true;
+    }
+
+    @Override
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+        BaseContext.removeId();
+    }
+}

unilife-server/src/main/java/com/unilife/model/dto/LoginDTO.java

@@ -1,19 +1,14 @@
 package com.unilife.model.dto;
-//这个是注册的DTO
+//这个才是登录的DTO
+
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
 @Data
-@AllArgsConstructor
 @NoArgsConstructor
+@AllArgsConstructor
 public class LoginDTO {
-    private String username;
     private String email;
     private String password;
-    private String nickname;
-    private String studentId;
-    private String department;
-    private String major;
-    private String grade;
 }

unilife-server/src/main/java/com/unilife/model/dto/RegisterDTO.java

@@ -0,0 +1,19 @@
+package com.unilife.model.dto;
+//这个是注册的DTO
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class RegisterDTO {
+    private String username;
+    private String email;
+    private String password;
+    private String nickname;
+    private String studentId;
+    private String department;
+    private String major;
+    private String grade;
+}

unilife-server/src/main/java/com/unilife/model/vo/LogVO.java

@@ -1,27 +0,0 @@
-package com.unilife.model.vo;
-
-import com.unilife.model.entity.User;
-import lombok.Data;
-
-@Data
-public class LogVO {
-    private Integer id;
-    private String username;
-    private String nickname;
-    private String avatar;
-    private Byte role;
-    private Byte isVerified;
-    private Byte status;
-
-    public LogVO(Integer id,String username,String nickname,String avatar,Byte role,Byte isVerified,Byte status)
-    {
-        this.id = id;
-        this.username = username;
-        this.nickname = nickname;
-        this.avatar = avatar;
-        this.role = role;
-        this.isVerified = isVerified;
-    }
-
-}
-

unilife-server/src/main/java/com/unilife/model/vo/LoginVO.java

@@ -1,17 +1,21 @@
 package com.unilife.model.vo;
 
+import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 @Data
+@AllArgsConstructor
+@NoArgsConstructor
 public class LoginVO {
-    private Integer id;
+    private Long id;
     private String username;
     private String nickname;
+    private String avatar;
+    private Byte role;
+    private Byte isVerified;
+    private Byte status;
+    private String token;
 
-    public LoginVO(Integer id, String username, String nickname)
-    {
-        this.id = id;
-        this.username = username;
-        this.nickname = nickname;
-    }
 }
+

unilife-server/src/main/java/com/unilife/model/vo/RegisterVO.java

@@ -1,14 +1,15 @@
-package com.unilife.model.dto;
-//这个才是登录的DTO
+package com.unilife.model.vo;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
 @Data
-@NoArgsConstructor
 @AllArgsConstructor
-public class LogDTO {
-    private String email;
-    private String password;
+@NoArgsConstructor
+public class RegisterVO {
+    private Long id;
+    private String username;
+    private String nickname;
+
 }

unilife-server/src/main/java/com/unilife/service/UserService.java

@@ -1,18 +1,16 @@
 package com.unilife.service;
 
 import com.unilife.common.result.Result;
-import com.unilife.model.dto.LogDTO;
 import com.unilife.model.dto.LoginDTO;
 import com.unilife.model.dto.LoginEmailDTO;
+import com.unilife.model.dto.RegisterDTO;
 
 
 public interface UserService {
-    Result register(LoginDTO loginDTO);
-    Result login(LogDTO logDTO);
+    Result register(RegisterDTO registerDTO);
+    Result login(LoginDTO loginDTO);
 
     Result sendVerificationCode(String email);
 
     Result loginWithEmail(LoginEmailDTO loginEmailDTO);
-
-
 }

unilife-server/src/main/java/com/unilife/service/impl/UserServiceImpl.java

@@ -2,17 +2,17 @@ package com.unilife.service.impl;
 
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.util.RandomUtil;
-import cn.hutool.core.util.StrUtil;
 import com.unilife.common.constant.RedisConstant;
 import com.unilife.common.result.Result;
 import com.unilife.mapper.UserMapper;
-import com.unilife.model.dto.LogDTO;
 import com.unilife.model.dto.LoginDTO;
 import com.unilife.model.dto.LoginEmailDTO;
+import com.unilife.model.dto.RegisterDTO;
 import com.unilife.model.entity.User;
-import com.unilife.model.vo.LogVO;
 import com.unilife.model.vo.LoginVO;
+import com.unilife.model.vo.RegisterVO;
 import com.unilife.service.UserService;
+import com.unilife.utils.JwtUtil;
 import com.unilife.utils.RegexUtils;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -27,7 +27,6 @@ import javax.mail.MessagingException;
 import javax.mail.internet.MimeMessage;
 
 import java.time.Duration;
-import java.time.LocalDateTime;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -52,37 +51,38 @@ public class UserServiceImpl implements UserService {
 
     final int CODE_EXPIRE_MINUTES = 10;
     final int LIMIT_SECONDS=60;
-
+    @Autowired
+    private JwtUtil jwtUtil;
 
 
     @Override
-    public Result register(LoginDTO loginDTO) {
-        if(loginDTO.getEmail().equals("") || loginDTO.getPassword().equals("")) {
+    public Result register(RegisterDTO registerDTO) {
+        if(registerDTO.getEmail().isEmpty() || registerDTO.getPassword().isEmpty()) {
             return Result.error(400,"邮箱或密码不能为空");
         }
         User user = new User();
-        BeanUtil.copyProperties(loginDTO,user);
+        BeanUtil.copyProperties(registerDTO,user);
         userMapper.insert(user);
-        LoginVO loginVO = new LoginVO(Math.toIntExact(user.getId()),user.getUsername(),user.getNickname());
-        return Result.success(loginVO);
+        RegisterVO registerVO = new RegisterVO(user.getId(),user.getUsername(),user.getNickname());
+        return Result.success(registerVO);
     }
 
     @Override
-    public Result login(LogDTO logDTO) {
+    public Result login(LoginDTO loginDTO) {
         User user = new User();
-        BeanUtil.copyProperties(logDTO,user);//将登录的前端传来的消息拷贝给这个user
+        BeanUtil.copyProperties(loginDTO,user);//将登录的前端传来的消息拷贝给这个user
         User getuser = userMapper.FindByEmail(user.getEmail(),user.getPassword());
         if(getuser == null)
         {
-            return Result.error(logDTO,"用户不存在，登录失败!");
+            return Result.error(loginDTO,"用户不存在，登录失败!");
         }
         if(!user.getPassword().equals(getuser.getPassword()))
         {
-            return Result.error(logDTO,"密码错误，登录失败!");
+            return Result.error(loginDTO,"密码错误，登录失败!");
         }
-        LogVO logVO = new LogVO(Math.toIntExact(getuser.getId()), getuser.getUsername(), getuser.getNickname(),
-                getuser.getAvatar(), getuser.getRole(), getuser.getIsVerified(), getuser.getStatus());
-        return Result.success(logVO);
+        LoginVO loginVO=new LoginVO();
+        BeanUtil.copyProperties(getuser,loginVO);
+        return Result.success(loginVO);
     }
 
     @Override
@@ -178,12 +178,13 @@ public class UserServiceImpl implements UserService {
         }
 
         //6.生成登录凭证
-        //TODO
+        String token=jwtUtil.generateToken(user.getId());
 
         // 8. 返回用户信息和登录凭证
         Map<String, Object> userInfo = new HashMap<>();
         //HashMap userInfo.put("token", token);
         userInfo.put("user", user);
+        userInfo.put("token", token);
 
         return Result.success(userInfo);
     }

unilife-server/src/main/java/com/unilife/utils/BaseContext.java

@@ -0,0 +1,19 @@
+package com.unilife.utils;
+
+public class BaseContext {
+
+    public static ThreadLocal<Long> threadLocal = new ThreadLocal<>();
+
+    public static void setId(Long id) {
+        threadLocal.set(id);
+    }
+
+    public static Long getId() {
+        return threadLocal.get();
+    }
+
+    public static void removeId() {
+        threadLocal.remove();
+    }
+
+}

unilife-server/src/main/java/com/unilife/utils/JwtUtil.java

@@ -0,0 +1,45 @@
+package com.unilife.utils;
+
+import cn.hutool.core.date.DateTime;
+import cn.hutool.jwt.JWTUtil;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Component
+public class JwtUtil {
+    @Value("${jwt.secret}")
+    private String secret;
+
+    @Value("${jwt.expiration}")
+    public long expiration;
+
+    public String generateToken(Long id) {
+        DateTime now = DateTime.now();
+        DateTime expireTime = new DateTime(now.getTime() + expiration * 1000);
+
+        Map<String, Object> payload = new HashMap<>();
+        payload.put("userId", id);
+        payload.put("created",now.getTime());
+        return JWTUtil.createToken(payload,secret.getBytes());
+    }
+
+    public boolean verifyToken(String token) {
+        try{
+            JWTUtil.verify(token,secret.getBytes());
+            return true;
+        }catch (Exception e){
+            return false;
+        }
+    }
+    public Long getUserIdFromToken(String token) {
+        try {
+            return (Long)JWTUtil.parseToken(token).getPayload("userId");
+        }catch (Exception e){
+            return null;
+        }
+    }
+
+}

unilife-server/src/main/resources/application.yml

@@ -2,7 +2,7 @@ server:
   port: 8084
 spring:
   datasource:
-    url: jdbc:mysql://localhost:3306/UniLife?useSSL=false&serverTimezone=UTC&characterEncoding=UTF-8
+    url: jdbc:mysql://localhost:3306/UniLife?allowPublicKeyRetrieval=true&useSSL=false&serverTimezone=UTC&characterEncoding=UTF-8
     username: root
     password: 123456
     driver-class-name: com.mysql.cj.jdbc.Driver
@@ -48,3 +48,6 @@ mybatis:
 logging:
   level:
     com.unilife: debug
+jwt:
+  secret: qwertyuiopasdfghjklzxcvbnm
+  expiration: 86400