refac: hardening pass with multiple overhauls

api/dependecyInjection.go

@@ -12,6 +12,7 @@ import (
 	"RenewCMS/internal/infrastructure/persistence/models"
 	persistence "RenewCMS/internal/infrastructure/persistence/repositories"
 	"RenewCMS/internal/infrastructure/useCases"
+	"fmt"
 	"os"
 	"path/filepath"
 
@@ -53,11 +54,17 @@ type Repositories struct {
 	MailRepo    domainMail.Repository
 }
 
+const sqliteBusyTimeoutMs = 5000
+
+func SQLiteDSN(dbName string) string {
+	return fmt.Sprintf("%s?_pragma=busy_timeout(%d)", dbName, sqliteBusyTimeoutMs)
+}
+
 func getDb(dbName string) *gorm.DB {
 	if err := os.MkdirAll(filepath.Dir(dbName), os.ModePerm); err != nil {
 		panic("Unable to create necessary subdirectories: " + err.Error())
 	}
-	db, err := gorm.Open(sqlite.Open(dbName), &gorm.Config{})
+	db, err := gorm.Open(sqlite.Open(SQLiteDSN(dbName)), &gorm.Config{})
 	if err != nil {
 		panic("Unable to open the database: " + err.Error())
 	}

api/handlers/user/inviteHandler.go

@@ -19,7 +19,7 @@ type InviteHandler struct {
 }
 
 type CreateInviteRequest struct {
-	Email string `json:"email" validate:"required,email"`
+	Email string `json:"email" validate:"required,inviteemail"`
 }
 
 type inviteResponse struct {

api/pkg/validator/validator.go

@@ -1,9 +1,22 @@
 package validator
 
-import "github.com/go-playground/validator/v10"
+import (
+	"regexp"
+
+	"github.com/go-playground/validator/v10"
+)
+
+const inviteEmailTag = "inviteemail"
+
+var inviteEmailPattern = regexp.MustCompile(`^[^\s@]+@[^\s@.]+(\.[^\s@.]+)+$`)
 
 var Validate *validator.Validate
 
 func InitValidator() {
 	Validate = validator.New()
+	_ = Validate.RegisterValidation(inviteEmailTag, isInviteEmail)
+}
+
+func isInviteEmail(field validator.FieldLevel) bool {
+	return inviteEmailPattern.MatchString(field.Field().String())
 }