71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
package middlewares
|
|
|
|
import(
|
|
"os"
|
|
"fmt"
|
|
"time"
|
|
"net/http"
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/golang-jwt/jwt/v5"
|
|
"gorm.io/gorm"
|
|
|
|
"example.com/gin/test/models"
|
|
)
|
|
|
|
type AuthValidator struct {
|
|
DB *gorm.DB
|
|
}
|
|
|
|
func (av *AuthValidator) RequireAuth(c *gin.Context) {
|
|
// Get Cookie
|
|
tokenString, err := c.Cookie("Authorization")
|
|
|
|
if err != nil {
|
|
c.AbortWithStatus(http.StatusUnauthorized)
|
|
return
|
|
}
|
|
|
|
//Validate
|
|
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
|
|
// Don't forget to validate the alg is what you expect:
|
|
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
|
|
return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
|
|
}
|
|
|
|
// hmacSampleSecret is a []byte containing your secret, e.g. []byte("my_secret_key")
|
|
return []byte(os.Getenv("SECRET")), nil
|
|
})
|
|
|
|
if err != nil {
|
|
c.AbortWithStatus(http.StatusUnauthorized)
|
|
return
|
|
}
|
|
|
|
if claims, ok := token.Claims.(jwt.MapClaims); ok {
|
|
//Check Expiration
|
|
if float64(time.Now().Unix()) > claims["exp"].(float64) {
|
|
//expired
|
|
c.AbortWithStatus(http.StatusUnauthorized)
|
|
return
|
|
}
|
|
|
|
//Find user
|
|
var user models.User
|
|
result := av.DB.First(&user, claims["sub"])
|
|
|
|
if result.Error != nil {
|
|
c.AbortWithStatus(http.StatusUnauthorized)
|
|
return
|
|
}
|
|
|
|
//Attach to req
|
|
c.Set("user", user)
|
|
|
|
// Coninue
|
|
c.Next()
|
|
return
|
|
}
|
|
|
|
c.AbortWithStatus(http.StatusUnauthorized)
|
|
}
|