c84cbafb2c
- Enhanced SQL queries in `session.go` and `share.go` for clarity and consistency. - Updated comments for better understanding and maintenance. - Ensured consistent error handling and return statements across various methods.
64 lines
2.0 KiB
Go
64 lines
2.0 KiB
Go
package auth
|
|
|
|
import (
|
|
"errors"
|
|
"time"
|
|
|
|
"github.com/golang-jwt/jwt/v5"
|
|
"github.com/google/uuid"
|
|
)
|
|
|
|
// UserClaims defines the custom claims structure
|
|
// Senior Tip: Embed information that helps you avoid DB lookups later.
|
|
type UserClaims struct {
|
|
Name string `json:"user_name"`
|
|
Email string `json:"user_email"`
|
|
AvatarURL *string `json:"avatar_url"` // Nullable avatar URL to avoid DB queries
|
|
jwt.RegisteredClaims
|
|
}
|
|
|
|
// GenerateJWT creates a stateless JWT token for a user
|
|
// Changed: Input is now userID (and optional role), not sessionID
|
|
func GenerateJWT(userID uuid.UUID, name string, email string, avatarURL *string, secret string, expiresIn time.Duration) (string, error) {
|
|
claims := UserClaims{
|
|
Name: name,
|
|
Email: email,
|
|
AvatarURL: avatarURL,
|
|
RegisteredClaims: jwt.RegisteredClaims{
|
|
// Standard claim "Subject" is technically where UserID belongs,
|
|
// but having a typed UserID field is easier for Go type assertions.
|
|
Subject: userID.String(),
|
|
ExpiresAt: jwt.NewNumericDate(time.Now().Add(expiresIn)),
|
|
IssuedAt: jwt.NewNumericDate(time.Now()),
|
|
Issuer: "realtime-collab", // Your app name
|
|
},
|
|
}
|
|
|
|
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
|
|
return token.SignedString([]byte(secret))
|
|
}
|
|
|
|
// ValidateJWT parses the token and extracts the UserClaims
|
|
// Changed: Returns *UserClaims so you can access UserID and Role directly
|
|
func ValidateJWT(tokenString, secret string) (*UserClaims, error) {
|
|
token, err := jwt.ParseWithClaims(tokenString, &UserClaims{}, func(token *jwt.Token) (interface{}, error) {
|
|
// Security Check: Always validate the signing algorithm
|
|
// to prevent "None" algorithm attacks.
|
|
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
|
|
return nil, errors.New("invalid signing method")
|
|
}
|
|
return []byte(secret), nil
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Type assertion to get our custom struct back
|
|
if claims, ok := token.Claims.(*UserClaims); ok && token.Valid {
|
|
return claims, nil
|
|
}
|
|
|
|
return nil, errors.New("invalid token claims")
|
|
}
|