Files
SproutGate/sproutgate-backend/internal/auth/jwt.go
2026-03-18 22:06:43 +08:00

50 lines
1.2 KiB
Go

package auth
import (
"errors"
"time"
"github.com/golang-jwt/jwt/v5"
)
type Claims struct {
Account string `json:"account"`
jwt.RegisteredClaims
}
func GenerateToken(secret []byte, issuer string, account string, ttl time.Duration) (string, time.Time, error) {
if account == "" {
return "", time.Time{}, errors.New("account is required")
}
expiresAt := time.Now().Add(ttl)
claims := Claims{
Account: account,
RegisteredClaims: jwt.RegisteredClaims{
Issuer: issuer,
Subject: account,
ExpiresAt: jwt.NewNumericDate(expiresAt),
IssuedAt: jwt.NewNumericDate(time.Now()),
},
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
signed, err := token.SignedString(secret)
return signed, expiresAt, err
}
func ParseToken(secret []byte, issuer string, tokenString string) (*Claims, error) {
if tokenString == "" {
return nil, errors.New("token is required")
}
token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (any, error) {
return secret, nil
}, jwt.WithIssuer(issuer))
if err != nil {
return nil, err
}
claims, ok := token.Claims.(*Claims)
if !ok || !token.Valid {
return nil, errors.New("invalid token")
}
return claims, nil
}