122 lines
2.6 KiB
Go
122 lines
2.6 KiB
Go
package services
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import (
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"errors"
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"strconv"
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"time"
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configs "goFiber/config"
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"log"
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"github.com/golang-jwt/jwt/v5"
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)
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const (
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TokenTypeAccess = "access"
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TokenTypeRefresh = "refresh"
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)
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type JWTClaim struct {
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UserID uint `json:"user_id"`
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Email string `json:"email"`
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IsAdmin bool `json:"is_admin"`
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FirstName string `json:"first_name"`
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LastName string `json:"last_name"`
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TokenType string `json:"token_type"`
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jwt.RegisteredClaims
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}
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type JWTService struct{}
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func NewJWTService() *JWTService {
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return &JWTService{}
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}
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func (s *JWTService) GenerateToken(
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userID uint,
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email string,
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isAdmin bool,
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firstName string,
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lastName string,
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tokenType string,
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expiration time.Duration,
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) (string, error) {
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now := time.Now()
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claims := &JWTClaim{
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UserID: userID,
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Email: email,
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IsAdmin: isAdmin,
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FirstName: firstName,
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LastName: lastName,
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TokenType: tokenType,
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RegisteredClaims: jwt.RegisteredClaims{
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Subject: strconv.FormatUint(uint64(userID), 10),
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ExpiresAt: jwt.NewNumericDate(now.Add(expiration)),
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IssuedAt: jwt.NewNumericDate(now),
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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(configs.AppConfig.JWTSecret))
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}
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func (s *JWTService) GenerateTokenPair(
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userID uint,
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email string,
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isAdmin bool,
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firstName string,
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lastName string,
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) (string, string, error) {
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access, err := s.GenerateToken(
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userID,
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email,
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isAdmin,
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firstName,
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lastName,
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TokenTypeAccess,
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time.Duration(configs.AppConfig.AccessTokenExpireMinutes)*time.Minute,
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)
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if err != nil {
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return "", "", err
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}
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refresh, err := s.GenerateToken(
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userID,
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email,
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isAdmin,
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firstName,
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lastName,
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TokenTypeRefresh,
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time.Duration(configs.AppConfig.RefreshTokenExpireDays)*24*time.Hour,
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)
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if err != nil {
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return "", "", err
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}
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// Log generated tokens (access + refresh)
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log.Printf("Generated token pair for user=%d email=%s access_exp=%dm refresh_exp=%dd", userID, email, configs.AppConfig.AccessTokenExpireMinutes, configs.AppConfig.RefreshTokenExpireDays)
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log.Printf("access: %s", access)
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log.Printf("refresh: %s", refresh)
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return access, refresh, nil
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}
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func (s *JWTService) ValidateToken(signedToken string) (*JWTClaim, error) {
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token, err := jwt.ParseWithClaims(signedToken, &JWTClaim{}, 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("unexpected signing method")
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}
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return []byte(configs.AppConfig.JWTSecret), nil
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})
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if err != nil {
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return nil, err
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}
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claims, ok := token.Claims.(*JWTClaim)
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if !ok || !token.Valid {
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return nil, errors.New("invalid token claims")
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}
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return claims, nil
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}
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