Files
soft_usite/config/token.go
T

90 lines
2.1 KiB
Go
Executable File

package config
import (
"errors"
"time"
"github.com/form3tech-oss/jwt-go"
"github.com/gofiber/fiber/v2"
)
type Token struct {
Hash string `json:"token"`
Expire int64 `mapstructure:"JWT_EXPIRE" json:"expires_in" yaml:"expires_in"`
AppJwtSecret string `mapstructure:"APP_JWT_SECRET" yaml:"app_jwt_secret"`
ApiJwtSecret string `mapstructure:"API_JWT_SECRET" yaml:"api_jwt_secret"`
}
//CreateToken authenticates the user
func (t *Token) CreateToken(c *fiber.Ctx, userID uint, secret string, expire ...int64) (*Token, error) {
token := jwt.New(jwt.SigningMethodHS256)
claims := token.Claims.(jwt.MapClaims)
claims["id"] = userID
if len(expire) > 0 {
t.Expire = expire[0]
} else {
t.Expire = 31536000 // 1 año por defecto si no se configura
}
expiresIn := time.Now().Add(time.Duration(t.Expire) * time.Second).Unix()
claims["exp"] = expiresIn
tokenHash, err := token.SignedString([]byte(secret))
if err != nil {
return nil, err
}
c.Cookie(&fiber.Cookie{
Name: "Verify-Rest-Token",
Value: tokenHash,
Secure: false,
HTTPOnly: true,
})
t.Hash = tokenHash
t.Expire = expiresIn
return t, nil
}
//ParseToken returns the users id or error
func (t *Token) ParseToken(c *fiber.Ctx, secret string) (uint, error) {
tokenString := c.Cookies("Verify-Rest-Token")
if tokenString == "" {
return 0, errors.New("Empty auth cookie")
}
claims := jwt.MapClaims{}
_, err := jwt.ParseWithClaims(tokenString, claims, func(token *jwt.Token) (interface{}, error) {
return []byte(secret), nil
})
if err != nil {
return 0, err
}
//Checks if the token is valid if it is not then it deletes it
err2 := claims.Valid()
if err2 != nil {
t.DeleteToken(c)
return 0, err2
}
return uint(claims["id"].(float64)), nil
}
//DeleteToken deletes the jwt token
func (t *Token) DeleteToken(c *fiber.Ctx) {
c.ClearCookie("Verify-Rest-Token")
}
//RefreshToken refreshes the token
func (t *Token) RefreshToken(c *fiber.Ctx, secret string) (*Token, error) {
u, err := t.ParseToken(c, secret)
if err != nil {
return nil, nil
}
return t.CreateToken(c, u, secret)
}