first commit

internal/pkg/utils/jwt.go

@@ -0,0 +1,95 @@
+package utils
+
+import (
+	"errors"
+	"time"
+
+	"cardverse/config"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+type Claims struct {
+	UserID uint   `json:"user_id"`
+	Email  string `json:"email,omitempty"`
+	Role   string `json:"role,omitempty"`
+	jwt.RegisteredClaims
+}
+
+func GenerateAccessToken(userID uint, email string, role string) (string, error) {
+	cfg := config.Cfg
+	expiration := time.Now().Add(time.Duration(cfg.JWTExpiresHours) * time.Hour)
+
+	claims := Claims{
+		UserID: userID,
+		Email:  email,
+		Role:   role,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(expiration),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+		},
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString([]byte(cfg.JWTSecret))
+}
+
+func GenerateRefreshToken(userID uint) (string, error) {
+	cfg := config.Cfg
+	expiration := time.Now().Add(time.Duration(cfg.JWTRefreshExpiresHours) * time.Hour)
+
+	claims := Claims{
+		UserID: userID,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(expiration),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+		},
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString([]byte(cfg.JWTRefreshSecret))
+}
+
+func GenerateToken(userID uint, email string, role string) (string, error) {
+	return GenerateAccessToken(userID, email, role)
+}
+
+func ValidateToken(tokenString string) (*Claims, error) {
+	cfg := config.Cfg
+	claims := &Claims{}
+
+	token, err := jwt.ParseWithClaims(tokenString, claims, func(t *jwt.Token) (interface{}, error) {
+		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, errors.New("metode signing token tidak valid")
+		}
+		return []byte(cfg.JWTSecret), nil
+	})
+	if err != nil {
+		return nil, err
+	}
+	if !token.Valid {
+		return nil, errors.New("token tidak valid")
+	}
+
+	return claims, nil
+}
+
+func ValidateRefreshToken(tokenString string) (*Claims, error) {
+	cfg := config.Cfg
+	claims := &Claims{}
+
+	token, err := jwt.ParseWithClaims(tokenString, claims, func(t *jwt.Token) (interface{}, error) {
+		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, errors.New("metode signing token tidak valid")
+		}
+		return []byte(cfg.JWTRefreshSecret), nil
+	})
+	if err != nil {
+		return nil, err
+	}
+	if !token.Valid {
+		return nil, errors.New("refresh token tidak valid")
+	}
+
+	return claims, nil
+}