49 lines
1.0 KiB
Go
49 lines
1.0 KiB
Go
package middleware
|
|
|
|
import (
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/gin-gonic/gin"
|
|
)
|
|
|
|
// TokenParser 解析 JWT token 的接口
|
|
type TokenParser interface {
|
|
ParseToken(tokenStr string) (string, error)
|
|
}
|
|
|
|
// JWTAuth 管理后台 JWT 鉴权中间件
|
|
func JWTAuth(parser TokenParser) gin.HandlerFunc {
|
|
return func(c *gin.Context) {
|
|
authHeader := c.GetHeader("Authorization")
|
|
if authHeader == "" {
|
|
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
|
|
"code": "401",
|
|
"message": "未登录，请先登录",
|
|
})
|
|
return
|
|
}
|
|
|
|
parts := strings.SplitN(authHeader, " ", 2)
|
|
if len(parts) != 2 || parts[0] != "Bearer" {
|
|
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
|
|
"code": "401",
|
|
"message": "Token 格式错误",
|
|
})
|
|
return
|
|
}
|
|
|
|
username, err := parser.ParseToken(parts[1])
|
|
if err != nil {
|
|
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
|
|
"code": "401",
|
|
"message": "Token 无效或已过期",
|
|
})
|
|
return
|
|
}
|
|
|
|
c.Set("username", username)
|
|
c.Next()
|
|
}
|
|
}
|