SpringBoot 整合 JWT Token

   之前写了一篇JWT的随笔, 还没有写springboot 整合 token,  前几天晚上忙着抽空重构代码, 就简单的重构了下方法, 类. 还有if else,  + 设计模式, +泛型没整. 等周末有时间再整整.   其实理解了jwt流程, 整合进springboot就相对于来说较简单了.  依赖加下, 拦截器加下, 代码加下. 话不多说, 上代码

   pom.xml 依赖

		<!-- jwt-->
		<dependency>
			<groupId>io.jsonwebtoken</groupId>
			<artifactId>jjwt</artifactId>
			<version>0.9.0</version>
		</dependency>

		<dependency>
			<groupId>org.projectlombok</groupId>
			<artifactId>lombok</artifactId>
			<optional>true</optional>
		</dependency>

  application.properties 配置

##jwt配置
# 代表这个JWT的接收对象,存入audience
audience.clientId=
# 密钥, 经过Base64加密, 可自行替换
audience.base64Secret==
# JWT的签发主体,存入issuer
audience.name=
# 过期时间,时间戳
audience.expiresSecond=

    拦截器  

import com.spSystem.annotation.JwtIgnore;
import com.spSystem.common.exception.CustomException;
import com.spSystem.common.exception.response.ResultCode;
import com.spSystem.entity.Audience;
import com.spSystem.utils.JwtTokenUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Component;
import org.springframework.web.context.support.WebApplicationContextUtils;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.concurrent.TimeUnit;

/**
 * token验证拦截器
 */
@Slf4j
public class JwtInterceptor extends HandlerInterceptorAdapter {

    private static final Logger log = LoggerFactory.getLogger(JwtInterceptor.class);

    @Autowired
    private Audience audience;

    @Autowired
    private RedisTemplate redisTemplate;

    public static String lastToken = "";

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
        // 忽略带JwtIgnore注解的请求, 不做后续token认证校验
        if (handler instanceof HandlerMethod) {
            HandlerMethod handlerMethod = (HandlerMethod) handler;
            JwtIgnore jwtIgnore = handlerMethod.getMethodAnnotation(JwtIgnore.class);
            if (jwtIgnore != null) {
                return true;
            }
        }

        if (HttpMethod.OPTIONS.equals(request.getMethod())) {
            response.setStatus(HttpServletResponse.SC_OK);
            return true;
        }

        // 获取请求头信息authorization信息
        final String authHeader = request.getHeader(JwtTokenUtil.AUTH_HEADER_KEY);
        log.info("## authHeader= {}", authHeader);

        if (StringUtils.isBlank(authHeader) || !authHeader.startsWith(JwtTokenUtil.TOKEN_PREFIX)) {
            log.info("### 用户未登录,请先登录 ###");
            throw new CustomException(ResultCode.USER_NOT_LOGGED_IN);
        }

        // 获取token
        final String token = authHeader.substring(7);

        if (audience == null) {
            BeanFactory factory = WebApplicationContextUtils.getRequiredWebApplicationContext(request.getServletContext());
            audience = (Audience) factory.getBean("audience");
        }

        // 验证token是否有效--无效已做异常抛出,由全局异常处理后返回对应信息
//        JwtTokenUtil.parseJWT(token, audience.getBase64Secret());

   }

}

   WebConfig  

import com.spSystem.interceptor.JwtInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.validation.MessageCodesResolver;
import org.springframework.validation.Validator;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.config.annotation.*;

import java.util.List;

@Configuration
public class WebConfig implements WebMvcConfigurer  {


    @Bean
    public JwtInterceptor getInterceptor() {
        return new JwtInterceptor();

    }

    /**
     * 添加拦截器
     */
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        //拦截路径可自行配置多个 可用 ,分隔开
        registry.addInterceptor(getInterceptor()).addPathPatterns("/**");
    }

    /**
     * 跨域支持
     * @param registry
     */
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOrigins("*")
                .allowCredentials(true)
                .allowedMethods("GET", "POST", "DELETE", "PUT", "PATCH", "OPTIONS", "HEAD")
                .maxAge(3600 * 24);
    }

    @Override
    public void configurePathMatch(PathMatchConfigurer pathMatchConfigurer) {

    }

    @Override
    public void configureContentNegotiation(ContentNegotiationConfigurer contentNegotiationConfigurer) {

    }

    @Override
    public void configureAsyncSupport(AsyncSupportConfigurer asyncSupportConfigurer) {

    }

    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer defaultServletHandlerConfigurer) {

    }

    @Override
    public void addFormatters(FormatterRegistry formatterRegistry) {

    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry resourceHandlerRegistry) {

    }

    @Override
    public void addViewControllers(ViewControllerRegistry viewControllerRegistry) {

    }

    @Override
    public void configureViewResolvers(ViewResolverRegistry viewResolverRegistry) {

    }

    @Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> list) {

    }

    @Override
    public void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> list) {

    }

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> list) {

    }

    @Override
    public void extendMessageConverters(List<HttpMessageConverter<?>> list) {

    }

    @Override
    public void configureHandlerExceptionResolvers(List<HandlerExceptionResolver> list) {

    }

    @Override
    public void extendHandlerExceptionResolvers(List<HandlerExceptionResolver> list) {

    }

    @Override
    public Validator getValidator() {
        return null;
    }

    @Override
    public MessageCodesResolver getMessageCodesResolver() {
        return null;
    }

}

  JWT验证忽略注解

import java.lang.annotation.*;

/**
 * JWT验证忽略注解
 */
@Target({ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface JwtIgnore {
}

  全局异常处理器

import com.spSystem.common.exception.CustomException;
import com.spSystem.common.exception.response.Result;
import com.spSystem.common.exception.response.ResultCode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.validation.BindException;
import org.springframework.validation.BindingResult;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.List;

/**
 * 全局异常处理器
 */
@RestControllerAdvice
public class GlobalExceptionHandler {

    private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);

    /**
     * 处理自定义异常
     */
    @ExceptionHandler(CustomException.class)
    public Result handleException(CustomException e) {
        // 打印异常信息
        log.error("### 异常信息:{} ###", e.getMessage());
        return new Result(e.getResultCode());
    }

    /**
     * 参数错误异常
     */
    @ExceptionHandler({MethodArgumentNotValidException.class, BindException.class})
    public Result handleException(Exception e) {

        if (e instanceof MethodArgumentNotValidException) {
            MethodArgumentNotValidException validException = (MethodArgumentNotValidException) e;
            BindingResult result = validException.getBindingResult();
            StringBuffer errorMsg = new StringBuffer();
            if (result.hasErrors()) {
                List<ObjectError> errors = result.getAllErrors();
//                errors.forEach(p ->{
//                    FieldError fieldError = (FieldError) p;
//                    errorMsg.append(fieldError.getDefaultMessage()).append(",");
//                    log.error("### 请求参数错误:{"+fieldError.getObjectName()+"},field{"+fieldError.getField()+ "},errorMessage{"+fieldError.getDefaultMessage()+"}"); });
            }
        } else if (e instanceof BindException) {
            BindException bindException = (BindException)e;
            if (bindException.hasErrors()) {
                log.error("### 请求参数错误: {}", bindException.getAllErrors());
            }
        }

        return new Result(ResultCode.PARAM_IS_INVALID);
    }

    /**
     * 处理所有不可知的异常
     */
    @ExceptionHandler(Exception.class)
    public Result handleOtherException(Exception e){
        //打印异常堆栈信息
        e.printStackTrace();
        // 打印异常信息
        log.error("### 不可知的异常:{} ###", e.getMessage());
        return new Result(ResultCode.SYSTEM_INNER_ERROR);
    }

}

    自定义异常类型

import com.spSystem.common.exception.response.ResultCode;

import java.text.MessageFormat;

/**
 * 自定义异常类型
 **/
public class CustomException extends RuntimeException {

    //错误代码
    ResultCode resultCode;

    public CustomException(ResultCode resultCode){
        super(resultCode.message());
        this.resultCode = resultCode;
    }

    public CustomException(ResultCode resultCode, Object... args){
        super(resultCode.message());
        String message = MessageFormat.format(resultCode.message(), args);
        resultCode.setMessage(message);
        this.resultCode = resultCode;
    }

    public ResultCode getResultCode(){
        return resultCode;
    }

}

    统一响应结果集

import com.fasterxml.jackson.databind.annotation.JsonSerialize;

/**
 * 统一响应结果集
 */
@JsonSerialize(include= JsonSerialize.Inclusion.NON_NULL)
public class Result<T> {

    //操作代码
    int code;

    //提示信息
    String message;

    //结果数据
    T data;

    public Result(ResultCode resultCode){
        this.code = resultCode.code();
        this.message = resultCode.message();
    }

    public Result(ResultCode resultCode, T data){
        this.code = resultCode.code();
        this.message = resultCode.message();
        this.data = data;
    }

    public Result(String message){
        this.message = message;
    }

    public static Result SUCCESS(){
        return new Result(ResultCode.SUCCESS);
    }

    public static <T> Result SUCCESS(T data){
        return new Result(ResultCode.SUCCESS, data);
    }

    public static Result FAIL(){
        return new Result(ResultCode.FAIL);
    }

    public static Result FAIL(String message){
        return new Result(message);
    }

    public int getCode() {
        return code;
    }

    public void setCode(int code) {
        this.code = code;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }
}

  通用响应状态

/**
 * 通用响应状态
 */
public enum ResultCode {

    /* 成功状态码 */
    SUCCESS(200,"操作成功"),

    /* 错误状态码 */
    FAIL(500,"操作失败"),

    /* 参数错误:10001-19999 */
    PARAM_IS_INVALID(1001, "参数无效"),
    PARAM_IS_BLANK(1002, "参数为空"),
    PARAM_TYPE_BIND_ERROR(1003, "参数格式错误"),
    PARAM_NOT_COMPLETE(1004, "参数缺失"),

    /* 用户错误:20001-29999*/
    USER_NOT_LOGGED_IN(2001, "用户未登录,请先登录"),
    USER_LOGIN_ERROR(2002, "账号不存在或密码错误"),
    USER_ACCOUNT_FORBIDDEN(2003, "账号已被禁用"),
    USER_NOT_EXIST(2004, "用户不存在"),
    USER_HAS_EXISTED(2005, "用户已存在"),

    /* 业务错误:30001-39999 */
    BUSINESS_GROUP_NO_ALLOWED_DEL(30001, "应用分组已经被应用使用,不能删除"),
    BUSINESS_THEME_NO_ALLOWED_DEL(30002, "主题已经被用户使用,不能删除"),
    BUSINESS_THEME_NO_ALLOWED_DISABLE(30003, "主题已经被用户使用,不能停用"),
    BUSINESS_THEME_DEFAULT_NO_ALLOWED_DEL(30004, "默认主题,不能删除"),
    BUSINESS_THEME_NO_ALLOWED_UPDATE(30005, "主题已经被用户使用,不能修改图片信息"),
    BUSINESS_IS_TOP(30040, "已经到最顶部"),
    BUSINESS_IS_BOTTOM(30041, "已经到最底部"),
    BUSINESS_NAME_EXISTED(30051, "名称已存在"),

    /* 系统错误:40001-49999 */
    SYSTEM_INNER_ERROR(40001, "系统繁忙,请稍后重试"),
    UPLOAD_ERROR(40002, "系统异常,上传文件失败"),
    FILE_MAX_SIZE_OVERFLOW(40003, "上传尺寸过大"),
    FILE_ACCEPT_NOT_SUPPORT(40004, "上传文件格式不支持"),
    SET_UP_AT_LEAST_ONE_ADMIN(40005, "至少指定一个管理员"),
    URL_INVALID(40006, "地址不合法"),
    LINK_AND_LOGOUT_NO_MATCH(40006, "主页地址和注销地址IP不一致"),
    IP_AND_PORT_EXISTED(40007, "当前IP和端口已经被占中"),
    LINK_IS_REQUIRED(40008, "生成第三方token认证信息:主页地址不能为空,请完善信息"),
    ONLY_ROOT_DEPARTMENT(40009, "组织机构只能存在一个根机构"),
    DEPART_CODE_EXISTED(40010, "组织机构编码已存在"),
    DEPART_CONTAINS_USERS(40011, "该机构下是存在用户,不允许删除"),
    DEPART_CONTAINS_SON(40012, "该机构下是存在子级机构,不允许删除"),
    DEPART_PARENT_IS_SELF(40013, "选择的父机构不能为本身"),
    DICT_EXIST_DEPEND(40014, "该字典数据存在详情依赖,不允许删除"),
    DICT_DETAIL_LOCK(40015, "该字典数据被锁定,不允许修改或删除"),
    DEPART_CODE_EXISTED_WITH_ARGS(40016, "组织机构编码【{0}】系统已存在"),

    /* 数据错误:50001-599999 */
    RESULT_DATA_NONE(50001, "数据未找到"),
    DATA_IS_WRONG(50002, "数据有误"),
    DATA_ALREADY_EXISTED(50003, "数据已存在"),

    /* 接口错误:60001-69999 */
    INTERFACE_INNER_INVOKE_ERROR(60001, "内部系统接口调用异常"),
    INTERFACE_OUTTER_INVOKE_ERROR(60002, "外部系统接口调用异常"),
    INTERFACE_FORBID_VISIT(60003, "该接口禁止访问"),
    INTERFACE_ADDRESS_INVALID(60004, "接口地址无效"),
    INTERFACE_REQUEST_TIMEOUT(60005, "接口请求超时"),
    INTERFACE_EXCEED_LOAD(60006, "接口负载过高"),


    /* 权限错误:70001-79999 */
    PERMISSION_UNAUTHENTICATED(70001,"此操作需要登陆系统"),
    PERMISSION_UNAUTHORISE(70002,"权限不足,无权操作"),
    PERMISSION_EXPIRE(70003,"登录状态过期"),
    PERMISSION_TOKEN_EXPIRED(70004, "token已过期"),
    PERMISSION_LIMIT(70005, "访问次数受限制"),
    PERMISSION_TOKEN_INVALID(70006, "无效token"),
    PERMISSION_SIGNATURE_ERROR(70007, "签名失败");

    //操作代码
    int code;
    //提示信息
    String message;
    ResultCode(int code, String message){
        this.code = code;
        this.message = message;
    }

    public int code() {
        return code;
    }

    public String message() {
        return message;
    }

    public void setCode(int code) {
        this.code = code;
    }

    public void setMessage(String message) {
        this.message = message;
    }
}

  JwtTokenUtil

import com.spSystem.common.exception.CustomException;
import com.spSystem.common.exception.response.ResultCode;
import com.spSystem.entity.Audience;
import com.spSystem.model.CdAppUsers;
import io.jsonwebtoken.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.crypto.spec.SecretKeySpec;
import javax.xml.bind.DatatypeConverter;
import java.security.Key;
import java.util.Date;

public class JwtTokenUtil {

    private static Logger log = LoggerFactory.getLogger(JwtTokenUtil.class);

    public static final String AUTH_HEADER_KEY = "Authorization";

    public static final String TOKEN_PREFIX = "Bearer ";

    /**
     * 解析jwt
     */
    public static Claims parseJWT(String jsonWebToken, String base64Security) {
        try {
            Claims claims = Jwts.parser()
                    .setSigningKey(DatatypeConverter.parseBase64Binary(base64Security))
                    .parseClaimsJws(jsonWebToken).getBody();
            return claims;
        } catch (ExpiredJwtException eje) {
            log.error("===== Token过期 =====", eje);
            throw new CustomException(ResultCode.PERMISSION_TOKEN_EXPIRED);
        } catch (Exception e){
            log.error("===== token解析异常 =====", e);
            throw new CustomException(ResultCode.PERMISSION_TOKEN_INVALID);
        }
    }

    /**
     * 构建jwt
     */
    public static String createJWT(String userId, String phone, String role,Audience audience) {
        try {
            // 使用HS256加密算法
            SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;

            long nowMillis = System.currentTimeMillis();
            Date now = new Date(nowMillis);

            //生成签名密钥
            byte[] apiKeySecretBytes = DatatypeConverter.parseBase64Binary(audience.getBase64Secret());
            Key signingKey = new SecretKeySpec(apiKeySecretBytes, signatureAlgorithm.getJcaName());

            //userId是重要信息,进行加密下
            String encryId = Base64Util.encode(userId);

            //添加构成JWT的参数
            JwtBuilder builder = Jwts.builder().setHeaderParam("typ", "JWT")
                    // 可以将基本不重要的对象信息放到claims
                    .claim("role", role)
                    .claim("userId", userId)
                    .setSubject(phone)           // 代表这个JWT的主体,即它的所有人
                    .setIssuer(audience.getClientId())              // 代表这个JWT的签发主体;
                    .setIssuedAt(new Date())        // 是一个时间戳,代表这个JWT的签发时间;
                    .setAudience(audience.getName())          // 代表这个JWT的接收对象;
                    .signWith(signatureAlgorithm, signingKey);
            //添加Token过期时间
            int TTLMillis = audience.getExpiresSecond();
            if (TTLMillis >= 0) {
                long expMillis = nowMillis + TTLMillis;
                Date exp = new Date(expMillis);
//                builder.setExpiration(exp)  // 是一个时间戳,代表这个JWT的过期时间;
                      builder.setNotBefore(now); // 是一个时间戳,代表这个JWT生效的开始时间,意味着在这个时间之前验证JWT是会失败的
            }

            //生成JWT
            return builder.compact();
        } catch (Exception e) {
            log.error("签名失败", e);
            throw new CustomException(ResultCode.PERMISSION_SIGNATURE_ERROR);
        }
    }

    /**
     * 从token中获取用户名
     */
    public static String getPhone(String token, String base64Security){
        return parseJWT(token, base64Security).getSubject();
    }

    /**
     * 从token中获取用户ID
     */
    public static String getUserId(String token, String base64Security){
        return  parseJWT(token, base64Security).get("userId", String.class);
    }

    /**
     * 是否已过期
     */
    public static boolean isExpiration(String token, String base64Security) {
        return parseJWT(token, base64Security).getExpiration().before(new Date());
    }

}

  

原文地址:https://www.cnblogs.com/jingjiren/p/12764525.html