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<?php |
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namespace Philae\Utils; |
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use League\Container\Container; |
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use League\Container\ContainerAwareInterface; |
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use League\Container\ContainerAwareTrait; |
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use Middlewares\Utils\CallableResolver\CallableResolverInterface; |
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use Middlewares\Utils\CallableResolver\ReflectionResolver; |
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use Middlewares\Utils\CallableResolver\Resolver; |
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use Psr\Container\ContainerInterface; |
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/** |
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* Callable resolver with support for: __invoke magic method, container resolution and reflection resolution. |
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* |
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* @method Container|ContainerInterface getContainer() |
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*/ |
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class CallableResolver extends Resolver implements CallableResolverInterface, ContainerAwareInterface |
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{ |
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use ContainerAwareTrait; |
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/** |
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* @var ReflectionResolver |
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*/ |
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private $delegateResolver; |
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/** |
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* @param CallableResolverInterface|null $delegateResolver |
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*/ |
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public function __construct(CallableResolverInterface $delegateResolver = null) |
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{ |
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$this->delegateResolver = $delegateResolver ?: new ReflectionResolver(); |
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} |
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public function resolve($callable, array $args = []) |
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{ |
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$callable = $this->delegateResolver->resolve($this->normalizeCallable($callable, $args), $args); |
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if (!$this->getContainer()) { |
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return $callable; |
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} |
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// Inflect callable |
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if (is_array($callable) && isset($callable[0]) && ($callable[0] instanceof ContainerAwareInterface)) { |
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$callable[0]->setContainer($this->getContainer()); |
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} elseif ($callable instanceof ContainerAwareInterface) { |
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$callable->setContainer($this->getContainer()); |
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} |
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return $callable; |
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} |
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/** |
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* @param mixed $callable |
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* @param array $args |
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* @return array|string|mixed |
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*/ |
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protected function normalizeCallable($callable, array $args = []) |
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{ |
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// invokable object |
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if (is_object($callable) && method_exists($callable, '__invoke')) { |
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return $callable; |
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} |
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// class::method string |
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if (is_string($callable)) { |
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// Split :: |
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$callable = $this->resolveString($callable); |
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} |
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// function string |
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if (is_string($callable) && function_exists($callable)) { |
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return $callable; |
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} |
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// class string (invokable class) |
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if (is_string($callable) |
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&& class_exists($callable) |
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&& function_exists($callable . '::__invoke') |
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) { |
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$instance = $this->findInContainer($callable, $args); |
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if ($instance) { |
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$callable = $instance; |
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} |
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return [$callable, '__invoke']; |
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} |
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// callable array with class and method as strings |
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if (is_array($callable) && is_string($callable[0]) && class_exists($callable[0])) { |
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$instance = $this->findInContainer($callable[0], $args); |
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if ($instance) { |
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$callable[0] = $instance; |
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} |
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return $callable; |
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} |
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return $callable; |
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} |
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/** |
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* @param string $className |
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* @param array $args |
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* @return bool|mixed |
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*/ |
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protected function findInContainer($className, array $args = []) |
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{ |
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if ($this->getContainer() && $this->getContainer()->has($className)) { |
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return $this->getContainer()->get($className, $args); |
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} |
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return false; |
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} |
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} |
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Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a given class or a super-class is assigned to a property that is type hinted more strictly.
Either this assignment is in error or an instanceof check should be added for that assignment.