bug #49267 [Form] Check for RepeatedType child in PasswordHasherListener (MatTheCat)

This PR was merged into the 6.2 branch.

Discussion
----------

[Form] Check for `RepeatedType` child in `PasswordHasherListener`

| Q             | A
| ------------- | ---
| Branch?       | 6.2
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #49260
| License       | MIT
| Doc PR        | N/A

Commits
-------

fb28c5b8b9 [Form] Check for `RepeatedType` child in `PasswordHasherListener`

Author: nicolas-grekas

Extension/PasswordHasher/EventListener/PasswordHasherListener.php

@@ -71,12 +71,18 @@ public function hashPasswords(FormEvent $event)
 
     private function getTargetForm(FormInterface $form): FormInterface
     {
-        $parent = $form->getParent();
-
-        if ($parent && $parent->getConfig()->getType()->getInnerType() instanceof RepeatedType) {
-            return $parent;
+        if (!$parentForm = $form->getParent()) {
+            return $form;
         }
 
+        $parentType = $parentForm->getConfig()->getType();
+
+        do {
+            if ($parentType->getInnerType() instanceof RepeatedType) {
+                return $parentForm;
+            }
+        } while ($parentType = $parentType->getParent());
+
         return $form;
     }
 

Tests/Extension/PasswordHasher/Type/PasswordTypePasswordHasherExtensionTest.php

@@ -13,9 +13,12 @@
 
 use PHPUnit\Framework\MockObject\MockObject;
 use Symfony\Component\Form\Exception\InvalidConfigurationException;
+use Symfony\Component\Form\Extension\Core\Type\PasswordType;
+use Symfony\Component\Form\Extension\Core\Type\RepeatedType;
 use Symfony\Component\Form\Extension\PasswordHasher\EventListener\PasswordHasherListener;
 use Symfony\Component\Form\Extension\PasswordHasher\PasswordHasherExtension;
 use Symfony\Component\Form\Test\TypeTestCase;
+use Symfony\Component\Form\Tests\Fixtures\RepeatedPasswordField;
 use Symfony\Component\Form\Tests\Fixtures\User;
 use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasher;
 use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
@@ -113,6 +116,53 @@ public function testPasswordHashSuccessWithEmptyData()
         $this->assertSame($user->getPassword(), $hashedPassword);
     }
 
+    /**
+     * @dataProvider provideRepeatedPasswordField
+     */
+    public function testRepeatedPasswordField(string $type, array $options = [])
+    {
+        $user = new User();
+
+        $plainPassword = 'PlainPassword';
+        $hashedPassword = 'HashedPassword';
+
+        $this->passwordHasher
+            ->expects($this->once())
+            ->method('hashPassword')
+            ->with($user, $plainPassword)
+            ->willReturn($hashedPassword)
+        ;
+
+        $this->assertNull($user->getPassword());
+
+        $form = $this->factory
+            ->createBuilder(data: $user)
+            ->add('plainPassword', $type, $options)
+            ->getForm()
+        ;
+
+        $form->submit(['plainPassword' => ['first' => $plainPassword, 'second' => $plainPassword]]);
+
+        $this->assertTrue($form->isValid());
+        $this->assertSame($user->getPassword(), $hashedPassword);
+    }
+
+    public static function provideRepeatedPasswordField(): iterable
+    {
+        yield 'RepeatedType' => [
+            RepeatedType::class,
+            [
+                'type' => PasswordType::class,
+                'first_options' => [
+                    'hash_property_path' => 'password',
+                ],
+                'mapped' => false,
+            ],
+        ];
+
+        yield 'RepeatedType child' => [RepeatedPasswordField::class];
+    }
+
     public function testPasswordHashOnInvalidForm()
     {
         $user = new User();

Tests/Fixtures/RepeatedPasswordField.php

@@ -0,0 +1,36 @@
+<?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\Form\Tests\Fixtures;
+
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\PasswordType;
+use Symfony\Component\Form\Extension\Core\Type\RepeatedType;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class RepeatedPasswordField extends AbstractType
+{
+    public function getParent(): ?string
+    {
+        return RepeatedType::class;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'mapped' => false,
+            'type' => PasswordType::class,
+            'first_options' => [
+                'hash_property_path' => 'password',
+            ],
+        ]);
+    }
+}