Files
yt-dlp-webui/server/middleware/jwt.go

51 lines
1.1 KiB
Go

package middlewares
import (
"fmt"
"os"
"time"
"github.com/gofiber/fiber/v2"
"github.com/golang-jwt/jwt/v5"
"github.com/marcopeocchi/yt-dlp-web-ui/server/config"
)
const (
TOKEN_COOKIE_NAME = "jwt"
)
var Authenticated = func(c *fiber.Ctx) error {
if !config.Instance().GetConfig().RequireAuth {
return c.Next()
}
cookie := c.Cookies(TOKEN_COOKIE_NAME)
if cookie == "" {
return c.Status(fiber.StatusUnauthorized).SendString("invalid token")
}
token, _ := jwt.Parse(cookie, func(t *jwt.Token) (interface{}, error) {
if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
}
return []byte(os.Getenv("JWT_SECRET")), nil
})
if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
expiresAt, err := time.Parse(time.RFC3339, claims["expiresAt"].(string))
if err != nil {
return c.SendStatus(fiber.StatusInternalServerError)
}
if time.Now().After(expiresAt) {
return c.Status(fiber.StatusBadRequest).SendString("expired token")
}
} else {
return c.Status(fiber.StatusUnauthorized).SendString("invalid token")
}
return c.Next()
}