modified: go.mod

modified:   go.sum
	new file:   internal/config/oauth.go
	new file:   internal/handler/auth.go
	new file:   internal/utils/errors.go
	new file:   internal/utils/json.go
	modified:   internal/utils/password.go
Add utils, add auth handler, auth configs

serv_golang_rest_api/internal/utils/password.go

@@ -1,14 +1,29 @@
 // utils/password.go
 package utils
 
-import "golang.org/x/crypto/bcrypt"
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"golang.org/x/crypto/bcrypt"
+)
 
 func HashPassword(password string) (string, error) {
-    bytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
-    return string(bytes), err
+	bytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+	return string(bytes), err
 }
 
 func CheckPasswordHash(password, hash string) bool {
-    err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
-    return err == nil
-}
+	err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
+	return err == nil
+}
+
+// GenerateRandomPassword генерирует случайный пароль для OAuth пользователей
+func GenerateRandomPassword() string {
+	bytes := make([]byte, 32) // 256 бит
+	_, err := rand.Read(bytes)
+	if err != nil {
+		// Fallback - используем временный пароль
+		return "temp_oauth_password_123"
+	}
+	return base64.URLEncoding.EncodeToString(bytes)
+}