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- package middleware
- import (
- "mtp20access/model/common/response"
- "mtp20access/utils"
- "github.com/gin-gonic/gin"
- )
- // FIXME - Token校验机制不适用,应重新设计
- func JWTAuth() gin.HandlerFunc {
- return func(c *gin.Context) {
- // 我们这里jwt鉴权取头部信息 x-token 登录时回返回token信息 这里前端需要把token存储到cookie或者本地localStorage中 不过需要跟后端协商过期时间 可以约定刷新令牌或者重新登录
- token := c.Request.Header.Get("x-token")
- if token == "" {
- response.FailWithDetailed(gin.H{"reload": true}, "未登录或非法访问", c)
- c.Abort()
- return
- }
- j := utils.NewJWT()
- // parseToken 解析token包含的信息
- claims, err := j.ParseToken(token)
- if err != nil {
- if err == utils.ErrTokenExpired {
- response.FailWithCodeAndDetail(gin.H{"reload": true}, response.ERROR_TOKEN_EXPIRED, "授权已过期", c)
- c.Abort()
- return
- }
- response.FailWithDetailed(gin.H{"reload": true}, err.Error(), c)
- c.Abort()
- return
- }
- // 从Redis获取登录信息
- loginMap, err := j.GetRedisLogin(claims.LoginID, claims.Group)
- if err != nil {
- response.FailWithCodeAndDetail(gin.H{"reload": true}, response.ERROR_TOKEN_OTHER_LOGIN, "您的帐户异地登陆或令牌失效", c)
- c.Abort()
- return
- }
- // 判断Token是否有效
- if redisToken, isHas := loginMap["token"]; isHas {
- if redisToken != token {
- response.FailWithCodeAndDetail(gin.H{"reload": true}, response.ERROR_TOKEN_OTHER_LOGIN, "您的帐户异地登陆或令牌失效", c)
- c.Abort()
- return
- }
- } else {
- response.FailWithDetailed(gin.H{"reload": true}, "未登录或非法访问", c)
- c.Abort()
- return
- }
- // 判断是否需要自动续约
- // if claims.ExpiresAt.Unix()-time.Now().Unix() < claims.BufferTime {
- // claims.ExpiresAt = jwt.NewNumericDate(time.Now().Add(time.Duration(global.M2A_CONFIG.JWT.ExpiresTime)))
- // newToken, _ := j.CreateTokenByOldToken(token, *claims)
- // newClaims, _ := j.ParseToken(newToken)
- // c.Header("new-token", newToken)
- // c.Header("new-expires-at", strconv.FormatInt(newClaims.ExpiresAt.Unix(), 10))
- // // RedisJwtToken, err := j.GetRedisJWT(newClaims.LoginID)
- // if err != nil {
- // global.M2A_LOG.Error("get redis jwt failed", zap.Error(err))
- // } else { // 当之前的取成功时才进行拉黑操作
- // _ = j.JsonInBlacklist(RedisJwtToken)
- // }
- // // 无论如何都要记录当前的活跃状态
- // _ = j.SetRedisJWT(newToken, newClaims.LoginID)
- // }
- c.Set("claims", claims)
- c.Next()
- }
- }
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