88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
// middleware/auth.go
|
|
package middleware
|
|
|
|
import (
|
|
"context"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"go-rest-api/internal/models"
|
|
"go-rest-api/internal/repository"
|
|
"go-rest-api/internal/service"
|
|
)
|
|
|
|
type contextKey string
|
|
|
|
const (
|
|
UserIDKey contextKey = "userID"
|
|
UserKey contextKey = "user"
|
|
)
|
|
|
|
func AuthMiddleware(jwtService service.JWTService, userRepo repository.UserRepository) func(http.Handler) http.Handler {
|
|
return func(next http.Handler) http.Handler {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
var tokenString string
|
|
|
|
// Пробуем получить токен из заголовка Authorization
|
|
authHeader := r.Header.Get("Authorization")
|
|
if strings.HasPrefix(authHeader, "Bearer ") {
|
|
tokenString = strings.TrimPrefix(authHeader, "Bearer ")
|
|
}
|
|
|
|
// Если нет в заголовке, пробуем из куки
|
|
if tokenString == "" {
|
|
cookie, err := r.Cookie("auth_token")
|
|
if err == nil {
|
|
tokenString = cookie.Value
|
|
}
|
|
}
|
|
|
|
if tokenString == "" {
|
|
next.ServeHTTP(w, r)
|
|
return
|
|
}
|
|
|
|
token, err := jwtService.ValidateToken(tokenString)
|
|
if err != nil || !token.Valid {
|
|
next.ServeHTTP(w, r)
|
|
return
|
|
}
|
|
|
|
userID, err := jwtService.ExtractUserID(token)
|
|
if err != nil {
|
|
next.ServeHTTP(w, r)
|
|
return
|
|
}
|
|
|
|
user, err := userRepo.FindByID(userID)
|
|
if err != nil {
|
|
next.ServeHTTP(w, r)
|
|
return
|
|
}
|
|
|
|
// Добавляем пользователя в контекст
|
|
ctx := context.WithValue(r.Context(), UserIDKey, userID)
|
|
ctx = context.WithValue(ctx, UserKey, user)
|
|
|
|
next.ServeHTTP(w, r.WithContext(ctx))
|
|
})
|
|
}
|
|
}
|
|
|
|
// RequireAuth middleware требует аутентификации
|
|
func RequireAuth(next http.Handler) http.Handler {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
userID := r.Context().Value(UserIDKey)
|
|
if userID == nil {
|
|
http.Error(w, `{"error": "Authentication required"}`, http.StatusUnauthorized)
|
|
return
|
|
}
|
|
next.ServeHTTP(w, r)
|
|
})
|
|
}
|
|
|
|
// GetUserFromContext получает пользователя из контекста
|
|
func GetUserFromContext(ctx context.Context) (*models.User, bool) {
|
|
user, ok := ctx.Value(UserKey).(*models.User)
|
|
return user, ok
|
|
} |