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/Hasher/PlaintextPasswordHasher.php

@@ -0,0 +1,79 @@
+<?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\Hasher;
+
+use Symfony\Component\PasswordHasher\Exception\InvalidPasswordException;
+use Symfony\Component\PasswordHasher\LegacyPasswordHasherInterface;
+
+/**
+ * PlaintextPasswordHasher does not do any hashing but is useful in testing environments.
+ *
+ * As this hasher is not cryptographically secure, usage of it in production environments is discouraged.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class PlaintextPasswordHasher implements LegacyPasswordHasherInterface
+{
+    use CheckPasswordLengthTrait;
+
+    private bool $ignorePasswordCase;
+
+    /**
+     * @param bool $ignorePasswordCase Compare password case-insensitive
+     */
+    public function __construct(bool $ignorePasswordCase = false)
+    {
+        $this->ignorePasswordCase = $ignorePasswordCase;
+    }
+
+    public function hash(#[\SensitiveParameter] string $plainPassword, ?string $salt = null): string
+    {
+        if ($this->isPasswordTooLong($plainPassword)) {
+            throw new InvalidPasswordException();
+        }
+
+        return $this->mergePasswordAndSalt($plainPassword, $salt);
+    }
+
+    public function verify(string $hashedPassword, #[\SensitiveParameter] string $plainPassword, ?string $salt = null): bool
+    {
+        if ($this->isPasswordTooLong($plainPassword)) {
+            return false;
+        }
+
+        $pass2 = $this->mergePasswordAndSalt($plainPassword, $salt);
+
+        if (!$this->ignorePasswordCase) {
+            return hash_equals($hashedPassword, $pass2);
+        }
+
+        return hash_equals(strtolower($hashedPassword), strtolower($pass2));
+    }
+
+    public function needsRehash(string $hashedPassword): bool
+    {
+        return false;
+    }
+
+    private function mergePasswordAndSalt(#[\SensitiveParameter] string $password, ?string $salt): string
+    {
+        if (empty($salt)) {
+            return $password;
+        }
+
+        if (false !== strrpos($salt, '{') || false !== strrpos($salt, '}')) {
+            throw new \InvalidArgumentException('Cannot use { or } in salt.');
+        }
+
+        return $password.'{'.$salt.'}';
+    }
+}