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<?php |
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namespace MadWizard\WebAuthn\Builder; |
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use ArrayAccess; |
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use MadWizard\WebAuthn\Exception\WebAuthnException; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerInterface; |
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use RuntimeException; |
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/** |
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* @implements ArrayAccess<string, object> |
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*/ |
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class ServiceContainer implements ArrayAccess |
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{ |
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/** |
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* @phpstan-var array<class-string, object> |
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* |
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* @var object[] |
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*/ |
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private $serviceMap = []; |
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/** |
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* @phpstan-var array<class-string, callable(self): object> |
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* |
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* @var callable[] |
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*/ |
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private $instantiators = []; |
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/** |
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* @param string $offset |
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* @param string $offset |
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* @phpstan-param class-string $offset |
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* |
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* @return bool |
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*/ |
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public function offsetExists($offset) |
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{ |
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return isset($this->serviceMap[$offset]) || isset($this->instantiators[$offset]); |
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} |
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/** |
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* @template T of object |
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* |
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* @param string $service |
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* @phpstan-param class-string<T> $service |
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* @phpstan-return T |
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*/ |
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public function offsetGet($service) |
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{ |
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/** |
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* @phpstan-var T |
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*/ |
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$service = ($this->serviceMap[$service] ?? $this->instantiate($service)); |
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return $service; |
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} |
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/** |
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* @param string $offset |
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*/ |
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public function offsetUnset($offset) |
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{ |
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throw new RuntimeException('Unset operation is not supported.'); |
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} |
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/** |
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* @param string $offset |
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* @param callable $value |
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* @phpstan-param class-string $offset |
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* @phpstan-param callable(self): object $value |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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$this->instantiators[$offset] = $value; |
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} |
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/** |
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* @template T of object |
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* @phpstan-param class-string<T> $offset |
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* @phpstan-return T of object |
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*/ |
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private function instantiate(string $offset): object |
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{ |
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$instantiator = $this->instantiators[$offset] ?? null; |
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if ($instantiator === null) { |
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throw new WebAuthnException(sprintf('Missing service %s.', $offset)); |
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} |
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/** |
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* @phpstan-var T |
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*/ |
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$service = $instantiator($this); |
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$this->serviceMap[$offset] = $service; |
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if ($service instanceof LoggerAwareInterface) { |
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$service->setLogger($this[LoggerInterface::class]); |
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} |
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// Free instantatior resources: |
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unset($this->instantiators[$offset]); |
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return $service; |
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} |
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} |
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madwizard-org /
webauthn-server
