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

[adriendupuis]

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Alternative implementation of InteractiveLoginSubscriber from #3087

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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 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:``` 001⫶services: 002⫶ App\EventSubscriber\InteractiveLoginSubscriber: 003⫶ arguments:	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:``` 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 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:``` 001⫶<?php declare(strict_types=1); 002⫶ 003⫶namespace App\EventSubscriber; 004⫶	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:``` 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() 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⫶ /** @param array<string, string> $userMap */ 014⫶ public function __construct( 015⫶ private readonly UserProviderInterface $userProvider, 016⫶ private readonly array $userMap = [], 017⫶ ) { 018⫶ } 019⫶ 020⫶ public static function getSubscribedEvents() 021⫶ { 022⫶ return [ 023⫶ SecurityEvents::INTERACTIVE_LOGIN => 'onInteractiveLogin', 024⫶ ]; 025⫶ } 026⫶ 027⫶ public function onInteractiveLogin(InteractiveLoginEvent $event): void 028⫶ { 029⫶ $tokenUser = $event->getAuthenticationToken()->getUser(); 030⫶ if ($tokenUser instanceof InMemoryUser) { 031⫶ $userLogin = $this->userMap[$event->getAuthenticationToken()->getUserIdentifier()] ?? 'anonymous'; 032⫶ $wrappedUser = $this->userProvider->loadUserByIdentifier($userLogin); 033⫶ $event->getAuthenticationToken()->setUser($wrappedUser); 034⫶ } 035⫶ } 036⫶}

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[adriendupuis]

This the verbose name (to go along side ibexa.security.user_provider.email). But in fact, this shortcut could be used:

Suggested change

	$userProvider: '@ibexa.security.user_provider.username'
	$userProvider: '@ibexa.security.user_provider'

[adriendupuis]

Suggested change

	$wrappedUser = $this->userProvider->loadUserByIdentifier($userLogin);
	$event->getAuthenticationToken()->setUser($wrappedUser);
	$ibexaSecurityUser = $this->userProvider->loadUserByIdentifier($userLogin);
	$event->getAuthenticationToken()->setUser($ibexaSecurityUser);