david
7cb2756b67
Add user-based rate limiting middleware (100 req/min) for authenticated endpoints using httprate library. Implement common password validation blocking 50+ weak passwords. Improve test coverage from 38.3% to 44.6% with comprehensive refresh token tests. Security improvements: - Rate limiting by user ID for /habits and /stats endpoints - X-RateLimit-Limit header in responses - Common password blacklist in password validation - Refresh token test suite with 5 scenarios (valid, invalid, expired, revoked, empty)
60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package auth
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/golang-jwt/jwt/v5"
|
|
)
|
|
|
|
type Claims struct {
|
|
UserID string `json:"user_id"`
|
|
Email string `json:"email"`
|
|
jwt.RegisteredClaims
|
|
}
|
|
|
|
type JWTService struct {
|
|
secret []byte
|
|
expiry time.Duration
|
|
}
|
|
|
|
func NewJWTService(secret string, expiryHours int) *JWTService {
|
|
return &JWTService{
|
|
secret: []byte(secret),
|
|
expiry: time.Duration(expiryHours) * time.Hour,
|
|
}
|
|
}
|
|
|
|
func (s *JWTService) GenerateToken(userID, email string) (string, error) {
|
|
claims := Claims{
|
|
UserID: userID,
|
|
Email: email,
|
|
RegisteredClaims: jwt.RegisteredClaims{
|
|
ExpiresAt: jwt.NewNumericDate(time.Now().Add(s.expiry)),
|
|
IssuedAt: jwt.NewNumericDate(time.Now()),
|
|
},
|
|
}
|
|
|
|
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
|
|
return token.SignedString(s.secret)
|
|
}
|
|
|
|
func (s *JWTService) ValidateToken(tokenString string) (*Claims, error) {
|
|
token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
|
|
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
|
|
return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
|
|
}
|
|
return s.secret, nil
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if claims, ok := token.Claims.(*Claims); ok && token.Valid {
|
|
return claims, nil
|
|
}
|
|
|
|
return nil, fmt.Errorf("invalid token")
|
|
}
|