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<?php |
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/* |
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* This file is part of the Ivory Http Adapter package. |
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* |
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* (c) Eric GELOEN <[email protected]> |
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* |
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* For the full copyright and license information, please read the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Ivory\HttpAdapter\Event\Redirect; |
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use Ivory\HttpAdapter\HttpAdapterException; |
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use Ivory\HttpAdapter\HttpAdapterInterface; |
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use Ivory\HttpAdapter\Message\InternalRequestInterface; |
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use Ivory\HttpAdapter\Message\ResponseInterface; |
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/** |
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* @author GeLo <[email protected]> |
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*/ |
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class Redirect implements RedirectInterface |
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{ |
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/** |
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* @var int |
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*/ |
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private $max; |
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/** |
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* @var bool |
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*/ |
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private $strict; |
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/** |
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* @var bool |
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*/ |
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private $throwException; |
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/** |
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* @param int $max |
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* @param bool $strict |
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* @param bool $throwException |
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*/ |
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public function __construct($max = 5, $strict = false, $throwException = true) |
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{ |
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$this->setMax($max); |
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$this->setStrict($strict); |
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$this->setThrowException($throwException); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getMax() |
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{ |
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return $this->max; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setMax($max) |
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{ |
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$this->max = $max; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isStrict() |
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{ |
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return $this->strict; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setStrict($strict) |
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{ |
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$this->strict = $strict; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getThrowException() |
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{ |
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return $this->throwException; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setThrowException($throwException) |
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{ |
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$this->throwException = $throwException; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createRedirectRequest( |
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ResponseInterface $response, |
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InternalRequestInterface $internalRequest, |
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HttpAdapterInterface $httpAdapter |
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) { |
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if ($response->getStatusCode() < 300 |
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|| $response->getStatusCode() >= 400 |
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|| !$response->hasHeader('Location')) { |
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return false; |
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} |
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if ($internalRequest->getParameter(self::REDIRECT_COUNT) >= $this->max) { |
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if ($this->throwException) { |
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$rootRequest = $this->getRootRequest($internalRequest); |
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$exception = HttpAdapterException::maxRedirectsExceeded( |
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(string) $rootRequest->getUri(), |
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$this->max, |
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$httpAdapter->getName() |
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); |
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$exception->setRequest($rootRequest); |
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throw $exception; |
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} |
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return false; |
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} |
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$strict = $response->getStatusCode() === 303 || (!$this->strict && $response->getStatusCode() <= 302); |
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$headers = $internalRequest->getHeaders(); |
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foreach ($headers as $key => $value) { |
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if (strtolower($key) === 'host') { |
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unset($headers[$key]); |
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} |
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} |
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$redirect = $httpAdapter->getConfiguration()->getMessageFactory()->createInternalRequest( |
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$response->getHeaderLine('Location'), |
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$strict ? InternalRequestInterface::METHOD_GET : $internalRequest->getMethod(), |
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$internalRequest->getProtocolVersion(), |
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$headers, |
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$strict ? [] : $internalRequest->getDatas(), |
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$strict ? [] : $internalRequest->getFiles(), |
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$internalRequest->getParameters() |
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); |
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if ($strict) { |
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$redirect = $redirect->withoutHeader('Content-Type')->withoutHeader('Content-Length'); |
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} else { |
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$redirect = $redirect->withBody($internalRequest->getBody()); |
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} |
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return $redirect |
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->withParameter(self::PARENT_REQUEST, $internalRequest) |
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->withParameter(self::REDIRECT_COUNT, $internalRequest->getParameter(self::REDIRECT_COUNT) + 1); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function prepareResponse(ResponseInterface $response, InternalRequestInterface $internalRequest) |
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{ |
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return $response |
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->withParameter(self::REDIRECT_COUNT, (int) $internalRequest->getParameter(self::REDIRECT_COUNT)) |
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->withParameter(self::EFFECTIVE_URI, (string) $internalRequest->getUri()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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private function getRootRequest(InternalRequestInterface $internalRequest) |
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{ |
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if ($internalRequest->hasParameter(self::PARENT_REQUEST)) { |
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return $this->getRootRequest($internalRequest->getParameter(self::PARENT_REQUEST)); |
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} |
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return $internalRequest; |
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} |
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} |
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