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<?php |
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/* |
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* This file is part of the Borobudur-Kernel package. |
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* |
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* (c) Hexacodelabs <http://hexacodelabs.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Borobudur\Kernel\Middleware; |
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use Borobudur\DependencyInjection\ContainerAwareInterface; |
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use Borobudur\DependencyInjection\ContainerAwareTrait; |
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use Borobudur\Http\ParameterBag; |
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use Borobudur\Http\Request; |
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use Borobudur\Http\Response; |
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use Borobudur\Kernel\Exception\InvalidArgumentException; |
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use Borobudur\Routing\RequestContext; |
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use Closure; |
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/** |
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* @author Iqbal Maulana <[email protected]> |
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* @created 8/15/15 |
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*/ |
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class MiddlewareContainer implements ContainerAwareInterface |
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{ |
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use ContainerAwareTrait; |
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/** |
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* @var MiddlewareInterface[] |
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*/ |
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private $middlewares = array(); |
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/** |
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* @var MiddlewareInvoker[] |
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*/ |
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private $executes = array(); |
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/** |
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* Add sets of middleware. |
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* |
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* @param array $middlewares |
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*/ |
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public function add(array $middlewares) |
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{ |
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foreach ($middlewares as $middleware) { |
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$this->set($middleware); |
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} |
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} |
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/** |
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* Register middleware. |
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* |
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* @param MiddlewareInterface $middleware |
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*/ |
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public function set(MiddlewareInterface $middleware) |
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{ |
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$this->middlewares[$middleware->getName()] = $middleware; |
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} |
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/** |
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* Check if middleware was registered. |
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* |
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* @param string $name |
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* |
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* @return bool |
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*/ |
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public function has($name) |
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{ |
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return array_key_exists($name, $this->middlewares); |
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} |
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/** |
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* Register sets of middleware to be invoke. |
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* |
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* @param array $middlewares |
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* @param array $excepts |
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* @param array $only |
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*/ |
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public function dispatches(array $middlewares, array $excepts = array(), array $only = array()) |
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{ |
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foreach ($middlewares as $middleware) { |
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$this->dispatch($middleware)->except($excepts)->only($only); |
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} |
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} |
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/** |
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* Register middleware to be invoke. |
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* |
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* @param string $name |
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* @param array $params |
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* |
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* @return MiddlewareInvoker |
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*/ |
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public function dispatch($name, array $params = array()) |
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{ |
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if (isset($this->middlewares[$name])) { |
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$middleware = $this->middlewares[$name]; |
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$middleware->setParameter(new ParameterBag((array) $params)); |
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if (method_exists($middleware, 'configure')) { |
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$instance = $this->container->getDi()->create($middleware); |
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$instance->callMethod('configure'); |
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$middleware = $instance->getOriginalInstance(); |
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} |
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$this->executes[] = $invoker = new MiddlewareInvoker($middleware); |
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return $invoker; |
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} |
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throw new InvalidArgumentException(sprintf('Middleware "%s" is not registered.', $name)); |
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} |
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/** |
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* Invoke middleware. |
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* |
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* @param Request $request |
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* @param RequestContext $context |
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* @param Closure $next |
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* @param string|null $action |
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* |
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* @return Response|mixed|null |
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*/ |
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public function invoke(Request $request, RequestContext $context, Closure $next, $action = null) |
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{ |
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$executes = array_reverse($this->executes); |
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foreach ($executes as $caller) { |
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$next = function () use (&$request, &$context, $caller, $next, $action) { |
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return $caller($request, $context, $next, $action); |
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}; |
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} |
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return call_user_func($next); |
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} |
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} |
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borobudur-php /
borobudur-kernel
