<?php
namespace Lexik\Bundle\JWTAuthenticationBundle\Security\User;
use Symfony\Component\Security\Core\User\UserInterface;
/**
* JWT User provider.
*
* @author Robin Chalas <robin.chalas@gmail.com>
*/
final class JWTUserProvider implements PayloadAwareUserProviderInterface
{
private $class;
private $cache = [];
/**
* @param string $class The {@link JWTUserInterface} implementation FQCN for which to provide instances
*/
public function __construct($class)
{
$this->class = $class;
}
/**
* {@inheritdoc}
*
* @param array $payload The JWT payload from which to create an instance
*
* @return UserInterface
*/
public function loadUserByUsername($username, array $payload = [])
{
return $this->loadUserByUsernameAndPayload($username, $payload);
}
/**
* {@inheritdoc}
*
* @param array $payload The JWT payload from which to create an instance
*/
public function loadUserByIdentifier(string $identifier, array $payload = []): UserInterface
{
return $this->loadUserByIdentifierAndPayload($identifier, $payload);
}
/**
* {@inheritdoc}
*/
public function loadUserByUsernameAndPayload(string $username, array $payload): UserInterface
{
if (isset($this->cache[$username])) {
return $this->cache[$username];
}
$class = $this->class;
return $this->cache[$username] = $class::createFromPayload($username, $payload);
}
public function loadUserByIdentifierAndPayload(string $userIdentifier, array $payload): UserInterface
{
if (isset($this->cache[$userIdentifier])) {
return $this->cache[$userIdentifier];
}
$class = $this->class;
return $this->cache[$userIdentifier] = $class::createFromPayload($userIdentifier, $payload);
}
/**
* {@inheritdoc}
*/
public function supportsClass($class): bool
{
return $class === $this->class || (new \ReflectionClass($class))->implementsInterface(JWTUserInterface::class);
}
public function refreshUser(UserInterface $user): UserInterface
{
return $user; // noop
}
}