/
token.go
89 lines (79 loc) · 2.17 KB
/
token.go
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package services
import (
"errors"
"os"
"strconv"
"time"
"github.com/golang-jwt/jwt"
"gorm.io/gorm"
"github.com/iarsham/shop-api/internal/common"
"github.com/iarsham/shop-api/internal/db"
)
var (
secretKey = os.Getenv("SECRET_KEY")
accessExpireEnv = os.Getenv("ACCESS_TOKEN_EXPIRE_MIN")
refreshExpireEnv = os.Getenv("REFRESH_TOKEN_EXPIRE_DAY")
)
type TokenService struct {
logs *common.Logger
db *gorm.DB
}
func NewTokenService(logs *common.Logger) *TokenService {
return &TokenService{
logs: logs,
db: db.GetDB(),
}
}
func (t *TokenService) GenerateAccessToken(userID string, phone string) (string, error) {
accessExp, _ := strconv.Atoi(accessExpireEnv)
accessClaims := jwt.MapClaims{
"user_id": userID,
"phone": phone,
"exp": time.Now().Add(time.Minute * time.Duration(accessExp)).Unix(),
}
accessToken, err := jwt.NewWithClaims(jwt.SigningMethodHS256, accessClaims).SignedString([]byte(secretKey))
if err != nil {
return "", err
}
return accessToken, nil
}
func (t *TokenService) GenerateRefreshToken(userID string) (string, error) {
refreshExp, _ := strconv.Atoi(refreshExpireEnv)
refreshClaims := jwt.MapClaims{
"sub": userID,
"exp": time.Now().Add(time.Hour * 24 * time.Duration(refreshExp)).Unix(),
}
refreshToken, err := jwt.NewWithClaims(jwt.SigningMethodHS256, refreshClaims).SignedString([]byte(secretKey))
if err != nil {
return "", err
}
return refreshToken, nil
}
func (t *TokenService) VerifyToken(token string) (*jwt.Token, error) {
accessToken, err := jwt.Parse(token, func(token *jwt.Token) (interface{}, error) {
_, ok := token.Method.(*jwt.SigningMethodHMAC)
if !ok {
return nil, errors.New("unexpected error")
}
return []byte(secretKey), nil
})
if err != nil {
return nil, err
}
return accessToken, nil
}
func (t *TokenService) GetClaims(token string) (map[string]any, error) {
claimMap := make(map[string]any)
verifyToken, err := t.VerifyToken(token)
if err != nil {
return nil, err
}
claims, ok := verifyToken.Claims.(jwt.MapClaims)
if ok && verifyToken.Valid {
for k, v := range claims {
claimMap[k] = v
}
return claimMap, nil
}
return nil, errors.New("claims properties not found")
}