[ALT] Update "User authentication" customization example (5.0)

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Alternative implementation of InteractiveLoginSubscriber from #3087

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• docs/users/user_authentication.md

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code_samples/ change report

Before (on target branch)	After (in current PR)
code_samples/user_management/in_memory/config/services.yaml	code_samples/user_management/in_memory/config/services.yaml
docs/users/user_authentication.md@49:``` yaml docs/users/user_authentication.md@50:[[= include_file('code_samples/user_management/in_memory/config/services.yaml') =]] docs/users/user_authentication.md@51:```	docs/users/user_authentication.md@50:``` yaml docs/users/user_authentication.md@51:[[= include_file('code_samples/user_management/in_memory/config/services.yaml') =]] docs/users/user_authentication.md@52:```
001⫶services: 002⫶ App\EventSubscriber\InteractiveLoginSubscriber: 003⫶ arguments:	001⫶services: 002⫶ App\EventSubscriber\InteractiveLoginSubscriber: 003⫶ arguments:
004⫶ $userMap: 005⫶ from_memory_user: customer 006⫶ from_memory_admin: admin	004⫶ $userProvider: '@ibexa.security.user_provider.username' 005⫶ $userMap: 006⫶ from_memory_user: customer 007⫶ from_memory_admin: admin
code_samples/user_management/in_memory/src/EventSubscriber/InteractiveLoginSubscriber.php	code_samples/user_management/in_memory/src/EventSubscriber/InteractiveLoginSubscriber.php
docs/users/user_authentication.md@32:``` php docs/users/user_authentication.md@33:[[= include_file('code_samples/user_management/in_memory/src/EventSubscriber/InteractiveLoginSubscriber.php') =]] docs/users/user_authentication.md@34:```	docs/users/user_authentication.md@33:``` php docs/users/user_authentication.md@34:[[= include_file('code_samples/user_management/in_memory/src/EventSubscriber/InteractiveLoginSubscriber.php') =]] docs/users/user_authentication.md@35:```
001⫶<?php declare(strict_types=1); 002⫶ 003⫶namespace App\EventSubscriber; 004⫶	001⫶<?php declare(strict_types=1); 002⫶ 003⫶namespace App\EventSubscriber; 004⫶
005⫶use Ibexa\Contracts\Core\Repository\UserService; 006⫶use Ibexa\Core\MVC\Symfony\Security\User; 007⫶use Symfony\Component\EventDispatcher\EventSubscriberInterface; 008⫶use Symfony\Component\Security\Core\User\InMemoryUser; 009⫶use Symfony\Component\Security\Http\Event\InteractiveLoginEvent; 010⫶use Symfony\Component\Security\Http\SecurityEvents; 011⫶ 012⫶class InteractiveLoginSubscriber implements EventSubscriberInterface 013⫶{ 014⫶ /** @param array<string, string> $userMap */ 015⫶ public function __construct( 016⫶ private readonly UserService $userService, 017⫶ private readonly array $userMap = [], 018⫶ ) { 019⫶ } 020⫶ 021⫶ public static function getSubscribedEvents(): array 022⫶ { 023⫶ return [ 024⫶ SecurityEvents::INTERACTIVE_LOGIN => 'onInteractiveLogin', 025⫶ ]; 026⫶ } 027⫶ 028⫶ public function onInteractiveLogin(InteractiveLoginEvent $event): void 029⫶ { 030⫶ $tokenUser = $event->getAuthenticationToken()->getUser(); 031⫶ if ($tokenUser instanceof InMemoryUser) { 032⫶ $userLogin = $this->userMap[$event->getAuthenticationToken()->getUserIdentifier()] ?? 'anonymous'; 033⫶ $ibexaUser = $this->userService->loadUserByLogin($userLogin); 034⫶ $event->getAuthenticationToken()->setUser(new User($ibexaUser)); 035⫶ } 036⫶ } 037⫶}	005⫶use Symfony\Component\EventDispatcher\EventSubscriberInterface; 006⫶use Symfony\Component\Security\Core\User\InMemoryUser; 007⫶use Symfony\Component\Security\Core\User\UserProviderInterface; 008⫶use Symfony\Component\Security\Http\Event\InteractiveLoginEvent; 009⫶use Symfony\Component\Security\Http\SecurityEvents; 010⫶ 011⫶class InteractiveLoginSubscriber implements EventSubscriberInterface 012⫶{ 013⫶ /** 014⫶ * @param array<string, string> $userMap 015⫶ * @phpstan-param UserProviderInterface<\Ibexa\Core\MVC\Symfony\Security\UserInterface> $userProvider 016⫶ */ 017⫶ public function __construct( 018⫶ private readonly UserProviderInterface $userProvider, 019⫶ private readonly array $userMap = [], 020⫶ ) { 021⫶ } 022⫶ 023⫶ public static function getSubscribedEvents(): array 024⫶ { 025⫶ return [ 026⫶ SecurityEvents::INTERACTIVE_LOGIN => 'onInteractiveLogin', 027⫶ ]; 028⫶ } 029⫶ 030⫶ public function onInteractiveLogin(InteractiveLoginEvent $event): void 031⫶ { 032⫶ $tokenUser = $event->getAuthenticationToken()->getUser(); 033⫶ if ($tokenUser instanceof InMemoryUser) { 034⫶ $userLogin = $this->userMap[$event->getAuthenticationToken()->getUserIdentifier()] ?? 'anonymous'; 035⫶ $ibexaSecurityUser = $this->userProvider->loadUserByIdentifier($userLogin); 036⫶ $event->getAuthenticationToken()->setUser($ibexaSecurityUser); 037⫶ } 038⫶ } 039⫶}

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