The start of something beautiful

vendor/symfony/password-hasher/Hasher/UserPasswordHasher.php

@@ -0,0 +1,69 @@
+<?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\Security\Core\User\LegacyPasswordAuthenticatedUserInterface;
+use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
+
+/**
+ * Hashes passwords based on the user and the PasswordHasherFactory.
+ *
+ * @author Ariel Ferrandini <arielferrandini@gmail.com>
+ *
+ * @final
+ */
+class UserPasswordHasher implements UserPasswordHasherInterface
+{
+    public function __construct(
+        private PasswordHasherFactoryInterface $hasherFactory,
+    ) {
+    }
+
+    public function hashPassword(PasswordAuthenticatedUserInterface $user, #[\SensitiveParameter] string $plainPassword): string
+    {
+        $salt = null;
+        if ($user instanceof LegacyPasswordAuthenticatedUserInterface) {
+            $salt = $user->getSalt();
+        }
+
+        $hasher = $this->hasherFactory->getPasswordHasher($user);
+
+        return $hasher->hash($plainPassword, $salt);
+    }
+
+    public function isPasswordValid(PasswordAuthenticatedUserInterface $user, #[\SensitiveParameter] string $plainPassword): bool
+    {
+        $salt = null;
+        if ($user instanceof LegacyPasswordAuthenticatedUserInterface) {
+            $salt = $user->getSalt();
+        }
+
+        if (null === $user->getPassword()) {
+            return false;
+        }
+
+        $hasher = $this->hasherFactory->getPasswordHasher($user);
+
+        return $hasher->verify($user->getPassword(), $plainPassword, $salt);
+    }
+
+    public function needsRehash(PasswordAuthenticatedUserInterface $user): bool
+    {
+        if (null === $user->getPassword()) {
+            return false;
+        }
+
+        $hasher = $this->hasherFactory->getPasswordHasher($user);
+
+        return $hasher->needsRehash($user->getPassword());
+    }
+}