40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
package helper
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import (
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"fmt"
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"time"
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"wm-backend/global"
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"github.com/golang-jwt/jwt/v5"
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)
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// GenerateToken tạo JWT token cho user
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func GenerateToken(userID string) (string, error) {
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claims := jwt.MapClaims{
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"user_id": userID,
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"iat": time.Now().Unix(), // issued at
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"exp": time.Now().Add(time.Duration(global.Cfg.JWT.ExpirationHours) * time.Hour * 7).Unix(), // expiry
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString([]byte(global.Cfg.JWT.SecretKey)) // <-- lấy từ config
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}
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func ParseToken(tokenString string) (jwt.MapClaims, error) {
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token, err := jwt.Parse(tokenString, func(token *jwt.Token) (any, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
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}
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return []byte(global.Cfg.JWT.SecretKey), nil // <-- lấy từ config
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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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if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
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return claims, nil
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}
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return nil, fmt.Errorf("invalid token")
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}
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