[Security] Added login throttling feature

Author: wouterj

Exception/TooManyLoginAttemptsAuthenticationException.php

@@ -0,0 +1,29 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Security\Core\Exception;
+
+/**
+ * This exception is thrown if there where too many failed login attempts in
+ * this session.
+ *
+ * @author Wouter de Jong <[email protected]>
+ */
+class TooManyLoginAttemptsAuthenticationException extends AuthenticationException
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getMessageKey(): string
+    {
+        return 'Too many failed login attempts, please try again later.';
+    }
+}

Resources/translations/security.en.xlf

@@ -62,6 +62,10 @@
                 <source>Account is locked.</source>
                 <target>Account is locked.</target>
             </trans-unit>
+            <trans-unit id="17">
+                <source>Too many failed login attempts, please try again later.</source>
+                <target>Too many failed login attempts, please try again later.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

Resources/translations/security.nl.xlf

@@ -62,6 +62,10 @@
                 <source>Account is locked.</source>
                 <target>Account is geblokkeerd.</target>
             </trans-unit>
+            <trans-unit id="17">
+                <source>Too many failed login attempts, please try again later.</source>
+                <target>Er waren teveel mislukte inlogpogingen, probeer het later opnieuw.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>