Enforce usage of non-empty, correct profile names.

Resolves #456

Web/Models/Entities/User.php

@@ -5,6 +5,7 @@ use openvk\Web\Util\DateTime;
 use openvk\Web\Models\RowModel;
 use openvk\Web\Models\Entities\{Photo, Message, Correspondence, Gift};
 use openvk\Web\Models\Repositories\{Users, Clubs, Albums, Gifts, Notifications};
+use openvk\Web\Models\Exceptions\InvalidUserNameException;
 use Nette\Database\Table\ActiveRow;
 use Chandler\Database\DatabaseConnection;
 use Chandler\Security\User as ChandlerUser;
@@ -739,6 +740,24 @@ class User extends RowModel
         return true;
     }
     
+    function setFirst_Name(string $firstName): void
+    {
+        $firstName = mb_convert_case($firstName, MB_CASE_TITLE);
+        if(!preg_match('%^\p{Lu}\p{Mn}?(?:\p{L&}\p{Mn}?){1,16}$%u', $firstName))
+            throw new InvalidUserNameException;
+        
+        $this->stateChanges("first_name", $firstName);
+    }
+    
+    function setLast_Name(string $lastName): void
+    {
+        $lastName = mb_convert_case($lastName, MB_CASE_TITLE);
+        if(!preg_match('%^\p{Lu}\p{Mn}?(\p{L&}\p{Mn}?){1,16}(\-\g<1>+)?$%u', $lastName))
+            throw new InvalidUserNameException;
+        
+        $this->stateChanges("last_name", $lastName);
+    }
+    
     function setNsfwTolerance(int $tolerance): void
     {
         $this->stateChanges("nsfw_tolerance", $tolerance);

Web/Models/Exceptions/InvalidUserNameException.php

@@ -0,0 +1,7 @@
+<?php declare(strict_types=1);
+namespace openvk\Web\Models\Exceptions;
+
+final class InvalidUserNameException extends \UnexpectedValueException
+{
+    protected $message = "Invalid real name supplied";
+}

Web/Presenters/UserPresenter.php

@@ -9,6 +9,7 @@ use openvk\Web\Models\Repositories\Albums;
 use openvk\Web\Models\Repositories\Videos;
 use openvk\Web\Models\Repositories\Notes;
 use openvk\Web\Models\Repositories\Vouchers;
+use openvk\Web\Models\Exceptions\InvalidUserNameException;
 use openvk\Web\Util\Validator;
 use openvk\Web\Models\Entities\Notifications\CoinsTransferNotification;
 use Chandler\Security\Authenticator;
@@ -137,8 +138,13 @@ final class UserPresenter extends OpenVKPresenter
             $this->willExecuteWriteAction($_GET['act'] === "status");
             
             if($_GET['act'] === "main" || $_GET['act'] == NULL) {
-                $user->setFirst_Name(empty($this->postParam("first_name")) ? $user->getFirstName() : $this->postParam("first_name"));
+                try {
-                $user->setLast_Name(empty($this->postParam("last_name")) ? "" : $this->postParam("last_name"));
+                    $user->setFirst_Name(empty($this->postParam("first_name")) ? $user->getFirstName() : $this->postParam("first_name"));
+                    $user->setLast_Name(empty($this->postParam("last_name")) ? "" : $this->postParam("last_name"));
+                } catch(InvalidUserNameException $ex) {
+                    $this->flashFail("err", tr("error"), tr("invalid_real_name"));
+                }
+                
                 $user->setPseudo(empty($this->postParam("pseudo")) ? NULL : $this->postParam("pseudo"));
                 $user->setStatus(empty($this->postParam("status")) ? NULL : $this->postParam("status"));
                 if (strtotime($this->postParam("birthday")) < time())

locales/en.strings

@@ -750,6 +750,8 @@
 "invalid_email_address" = "Invalid Email address";
 "invalid_email_address_comment" = "The Email you entered is not correct.";
 
+"invalid_real_name" = "Please, enter your real name. It'll be easier for your friends to find you like this.";
+
 "invalid_birth_date" = "Invalid date of birth";
 "invalid_birth_date_comment" = "The date of birth you entered is not correct.";
 

locales/ru.strings

@@ -785,6 +785,8 @@
 "invalid_email_address" = "Неверный Email адрес";
 "invalid_email_address_comment" = "Email, который вы ввели, не является корректным.";
 
+"invalid_real_name" = "Пожалуйста, используйте реальные имена. Так вашим тульпам будет легче найти вас.";
+
 "invalid_telegram_name" = "Неверное имя Telegram аккаунта";
 "invalid_telegram_name_comment" = "Вы ввели неверное имя аккаунта Telegram.";