login register token logic is ready. Fixed also some syntax bugs

src/Database/Handler.php

@@ -9,6 +9,14 @@ class Handler
     private static ?Handler $instance = null;
     private PDO $pdo;
 
+    public static function getInstance(): static
+    {
+        if (self::$instance === null) {
+            self::$instance = new static();
+        }
+        return self::$instance;
+    }
+
     private function __construct()
     {
         $this->pdo = new PDO('sqlite:' . __DIR__ . '/../../storage/database.sqlite');

src/Http/LoginController.php

@@ -3,6 +3,7 @@
 namespace ComCen\Http;
 
 use ComCen\Database\Handler;
+use ComCen\Security\TokenHandler;
 use Ratchet\ConnectionInterface;
 use Ratchet\Http\HttpServerInterface;
 use Psr\Http\Message\RequestInterface;
@@ -26,24 +27,25 @@ class LoginController implements HttpServerInterface
             $responseHead = "400";
             $json = json_encode(["error" => "Not enough params"]);
         }
-        else if (!Handler::class->userExists($username) == !password_verify($password, Handler::class->getPasswordHash($username)))
+        else if (!Handler::getInstance()->userExists($username) == !password_verify($password, Handler::getInstance()->getPasswordHash($username)))
         {
             $login = false;
-            $responseHead = "400";
+            $responseHead = "409";
             $json = json_encode(["error" => "Bad"]);
         }
 
-        if (!$login)
+        if (!$login) {
-        {
+            Utils::responeJson($conn, $responseHead, $json);
-            Utils::class->responeJson($conn, $responseHead, $json);
             $conn->close();
             return;
         }
 
-        Handler::class->addUser($username, $password);
+        if (TokenHandler::doesUserHaveToken($username)) {
+            TokenHandler::deleteTokensForUser($username);
+        }
 
-        $json = json_encode(["error" => "none"]);
+        $json = json_encode(["token" => TokenHandler::getNewTokenForUser($username)]);
-        Utils::class->responeJson($conn, "200", $json);
+        Utils::responeJson($conn, "200", $json);
         $conn->close();
     }
 

src/Http/RegisterController.php

@@ -26,13 +26,13 @@ class RegisterController implements HttpServerInterface
             $responseHead = "400";
             $json = json_encode(["error" => "Not enough params"]);
         }
-        else if (count($password) < 5)
+        else if (strlen($password) < 5)
         {
             $createAccount = false;
             $responseHead = "400";
             $json = json_encode(["error" => "Short password"]);
         }
-        else if (Handler::class->userExists($username))
+        else if (Handler::getInstance()->userExists($username))
         {
             $createAccount = false;
             $responseHead = "409";
@@ -41,15 +41,15 @@ class RegisterController implements HttpServerInterface
 
         if (!$createAccount)
         {
-            Utils::class->responeJson($conn, $responseHead, $json);
+            Utils::responeJson($conn, $responseHead, $json);
             $conn->close();
             return;
         }
 
-        Handler::class->addUser($username, $password);
+        Handler::getInstance()->addUser($username, $password);
 
         $json = json_encode(["error" => "none"]);
-        Utils::class->responeJson($conn, "200", $json);
+        Utils::responeJson($conn, "200", $json);
         $conn->close();
     }
 

src/Http/Utils.php

@@ -6,7 +6,7 @@ use Ratchet\ConnectionInterface;
 
 class Utils
 {
-    function responeJson(ConnectionInterface $conn, string $head, string $jsonData): void
+    static function responeJson(ConnectionInterface $conn, string $head, string $jsonData): void
     {
         $conn->send("HTTP/1.1 {$head}\r\nContent-Type: application/json\r\n\r\n{$jsonData}");
     }

src/Security/TokenHandler.php

@@ -47,4 +47,12 @@ class TokenHandler
             }
         }
     }
+    public static function deleteTokensForUser(string $user)
+    {
+        for ($i = 0; $i < count(self::$tokens); ++$i) {
+            if (self::$tokens[$i][0] === $user) {
+                array_splice(self::$tokens, $i, 1);
+            }
+        }
+    }
 }