Unable to autowire PasswordHasherInterface

Question

I'm trying to autowire the PasswordHasherInterface in the Fixtures class:

<?php
namespace AppDataFixtures;

use AppModelUserEntityUserEmail;
use AppModelUserEntityUserId;
use AppModelUserEntityUserRole;
use AppModelUserEntityUserUser;
use DoctrineBundleFixturesBundleFixture;
use DoctrinePersistenceObjectManager;
use SymfonyComponentPasswordHasherPasswordHasherInterface;

class UserFixture extends Fixture
{
    private PasswordHasherInterface $hasher;

    public function __construct(PasswordHasherInterface $hasher)
    {
        $this->hasher = $hasher;
    }
    
    public function load(ObjectManager $manager): void
    {
        $hash = $this->hasher->hash("password");

        $user = User::signUpByEmail(
            Id::next(),
            new DateTimeImmutable(),
            new Email("admin@app.test"),
            $hash,
            "token"
        );

        $user->confirmSignUp();

        $user->changeRole(Role::admin());

        $manager->persist($user);
        $manager->flush();
    }
}

But I got the error:

In DefinitionErrorExceptionPass.php line 54: ! !

!!Unable to autowire service 'AppDataFixturesUserFixture': parameter '$hasher'

!!Method "__construct()" refers to interface "SymfonyComponentPasswordH

!!asherPasswordHasherInterface" but no such service exists. Did you create

!!The class that implements this interface?

! !

My file services.yaml:

parameters:

services:
    # default configuration for services in *this* file
    _defaults:
        autowire: true      # Automatically injects dependencies in your services.
        autoconfigure: true # Automatically registers your services as commands, event subscribers, etc.

    # makes classes in src/ available to be used as services
    # this creates a service per class whose id is the fully-qualified class name
    App:
        resource: '../src/'
        exclude:
            - '../src/DependencyInjection/'
            - '../src/Model/User/Entity/'
            - '../src/Kernel.php'

How to hash plain passwords in Symfony 6.1? Why am I getting this error?

Answer 1

There is no universal PasswordHasher.

you:

• Use a factory to generate a specific one: for example Symfony\Component\PasswordHasher\Hasher\PasswordHasherFactoryInterface
• Or you use a dedicated password hasher class: e.g. Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface for user*.

Using a factory, your code would look like this: (untested)

//...
use Symfony\Component\PasswordHasher\Hasher\PasswordHasherFactoryInterface;


class UserFixture extends Fixture
{
    private PasswordHasherFactoryInterface $passwordHasherFactory;

    public function __construct(PasswordHasherFactoryInterface $hasherFactory)
    {
      $this->passwordHasherFactory = $passwordHasherFactory;
    }
    
    public function load(ObjectManager $manager): void
    {
        $passwordHasher = $this->passwordHasherFactory->getPasswordHasher(User::class);
        $hash = $passwordHasher->hash("password");

        $user = User::signUpByEmail(
            Id::next(),
            new \DateTimeImmutable(),
            new Email("admin@app.test"),
            $hash,
            "token"
        );

        $user->confirmSignUp();

        $user->changeRole(Role::admin());

        $manager->persist($user);
        $manager->flush();
    }

To reiterate, the steps are:

1. Install the software package: composer require symfony/password-hasher
2. Configure hasher
3. Load hasher
   • LoadingUserPasswordHasherInterface or
   • Load PasswordHasherFactoryInterface (see Example) and get PasswordHasher

*: The UserPasswordHasherInterface example for the fix is ​​located here.