78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
/*
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@Time : 2020/6/29 9:05
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@Author : xuyiqing
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@File : auth.py
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*/
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package jwt
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import (
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"go_blog/conf"
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"go_blog/models"
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"time"
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"github.com/dgrijalva/jwt-go"
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"github.com/gin-gonic/gin"
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)
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// 定义jwt载荷
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type UserClaims struct {
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jwt.StandardClaims
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ID uint64 `json:"id"`
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Username string `json:"username"`
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}
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// 根据payload查询user返回
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func (c *UserClaims) GetUserByID() *models.Account {
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var user models.Account
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models.DB.Model(&models.Account{}).First(&user, c.ID)
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if user.ID > 0 {
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return &user
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} else {
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return nil
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}
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}
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// 生成jwt token字符串
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func GenToken(id uint64, username string) (string, error) {
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expiredTime := time.Now().Add(time.Hour * time.Duration(24)).Unix()
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claims := UserClaims{
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jwt.StandardClaims{
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ExpiresAt: expiredTime,
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},
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id,
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username,
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}
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tokenClaims := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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token, err := tokenClaims.SignedString([]byte(conf.JwtSecretKey.SecretKey))
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return token, err
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}
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// 验证token合法性
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func ValidateJwtToken(token string) (*UserClaims, error) {
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tokenClaims, err := jwt.ParseWithClaims(token, &UserClaims{}, func(token *jwt.Token) (interface{}, error) {
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return []byte(conf.JwtSecretKey.SecretKey), nil
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})
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if tokenClaims != nil {
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if claims, ok := tokenClaims.Claims.(*UserClaims); ok && tokenClaims.Valid {
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return claims, nil
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}
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}
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return nil, err
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}
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// 断言设定ctx的当前用户
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func AssertUser(ctx *gin.Context) *models.Account {
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currentUser, isExists := ctx.Get("CurrentUser")
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if !isExists {
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return nil
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}
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user, ok := currentUser.(*models.Account)
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if ok {
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return user
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} else {
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return nil
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}
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}
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