N°8771 - Add Symfony form component to iTop core (#760)

- Add Symfony Form Component
- Add Symfony CSRF security component
- Add iTop default form template
- Add Twig debug extension to Twig Environment
- Add iTop abstract controller facility to get form builder
- Add Twig filter to make trans an alias of dict_s filter

lib/symfony/password-hasher/PasswordHasherInterface.php

@@ -0,0 +1,43 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\PasswordHasher;
+
+use Symfony\Component\PasswordHasher\Exception\InvalidPasswordException;
+
+/**
+ * Provides password hashing capabilities.
+ *
+ * @author Robin Chalas <robin.chalas@gmail.com>
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+interface PasswordHasherInterface
+{
+    public const MAX_PASSWORD_LENGTH = 4096;
+
+    /**
+     * Hashes a plain password.
+     *
+     * @throws InvalidPasswordException When the plain password is invalid, e.g. excessively long
+     */
+    public function hash(#[\SensitiveParameter] string $plainPassword): string;
+
+    /**
+     * Verifies a plain password against a hash.
+     */
+    public function verify(string $hashedPassword, #[\SensitiveParameter] string $plainPassword): bool;
+
+    /**
+     * Checks if a password hash would benefit from rehashing.
+     */
+    public function needsRehash(string $hashedPassword): bool;
+}