49 lines
946 B
Go
49 lines
946 B
Go
package auth
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import (
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"fmt"
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"os"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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var secretKey = os.Getenv("JWT_SECRET_KEY")
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type UserClaims struct {
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jwt.RegisteredClaims
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UserID int64
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}
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func GenerateUserToken(userId int64, expiryTime time.Time) (string, error) {
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now := time.Now()
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claims := UserClaims{
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UserID: userId,
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RegisteredClaims: jwt.RegisteredClaims{
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IssuedAt: jwt.NewNumericDate(now),
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ExpiresAt: jwt.NewNumericDate(expiryTime),
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString([]byte(secretKey))
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}
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func ValidateUserToken(token string) (int64, error) {
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claims := &UserClaims{}
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parsed, err := jwt.ParseWithClaims(token, claims, func(t *jwt.Token) (any, error) {
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return []byte(secretKey), nil
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})
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if err != nil {
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return -1, fmt.Errorf("failed to parse token: %v", err)
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}
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if !parsed.Valid {
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return -1, fmt.Errorf("invalid token")
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}
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return claims.UserID, nil
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}
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