78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
package service
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import (
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"errors"
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"esauth"
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"esauth/pkg/repository"
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"math"
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"os"
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"time"
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"github.com/dgrijalva/jwt-go"
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)
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const (
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tokenTTL = 12 * time.Hour
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)
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type tokenClaims struct {
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jwt.StandardClaims
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UserId int64 `json:"user_id"`
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}
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type AuthService struct {
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repo *repository.Repository
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}
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func NewAuthService(repo *repository.Repository) *AuthService {
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return &AuthService{repo: repo}
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}
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func (s *AuthService) CreateUser(user *esauth.User) (int64, error) {
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return s.repo.CreateUser(user)
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}
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func (s *AuthService) SaveUser(user *esauth.User) (int64, error) {
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return s.repo.SaveUser(user)
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}
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func (s *AuthService) GenerateToken(userId int64) (string, error) {
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, &tokenClaims{
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jwt.StandardClaims{
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ExpiresAt: time.Now().Add(tokenTTL).Unix(),
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IssuedAt: time.Now().Unix(),
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},
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userId,
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})
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return token.SignedString([]byte(os.Getenv("SIGN_KEY")))
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}
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func (s *AuthService) GenerateInfinityToken(userId int64) (string, error) {
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, &tokenClaims{
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jwt.StandardClaims{
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ExpiresAt: math.MaxInt64,
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IssuedAt: time.Now().Unix(),
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},
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userId,
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})
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return token.SignedString([]byte(os.Getenv("SIGN_KEY")))
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}
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func (s *AuthService) ParseToken(accessToken string) (int64, error) {
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token, err := jwt.ParseWithClaims(accessToken, &tokenClaims{}, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, errors.New("invalid signing method")
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}
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return []byte(os.Getenv("SIGN_KEY")), nil
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})
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if err != nil {
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return 0, err
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}
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claims, ok := token.Claims.(*tokenClaims)
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if !ok {
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return 0, errors.New("token claims are not of type *tokenClaims")
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}
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return claims.UserId, nil
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}
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