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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Geocoder package. |
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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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* @license MIT License |
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*/ |
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namespace Geocoder\Http\Provider; |
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use Geocoder\Exception\InvalidCredentials; |
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use Geocoder\Exception\InvalidServerResponse; |
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use Geocoder\Exception\QuotaExceeded; |
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use Geocoder\Provider\AbstractProvider; |
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use Http\Message\MessageFactory; |
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use Http\Discovery\MessageFactoryDiscovery; |
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use Http\Client\HttpClient; |
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use Psr\Http\Message\RequestInterface; |
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/** |
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* @author William Durand <[email protected]> |
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* @author Tobias Nyholm <[email protected]> |
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*/ |
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abstract class AbstractHttpProvider extends AbstractProvider |
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{ |
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/** |
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* @var HttpClient |
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*/ |
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private $client; |
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/** |
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* @var MessageFactory |
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*/ |
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private $messageFactory; |
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/** |
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* @param HttpClient $client |
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* @param MessageFactory|null $factory |
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*/ |
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public function __construct(HttpClient $client, MessageFactory $factory = null) |
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{ |
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$this->client = $client; |
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$this->messageFactory = $factory ?: MessageFactoryDiscovery::find(); |
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} |
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/** |
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* Get URL and return contents. If content is empty, an exception will be thrown. |
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* |
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* @param string $url |
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* |
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* @return string |
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* |
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* @throws InvalidServerResponse |
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*/ |
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protected function getUrlContents(string $url): string |
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{ |
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$request = $this->getRequest($url); |
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return $this->getParsedResponse($request); |
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} |
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/** |
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* @param string $url |
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* |
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* @return RequestInterface |
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*/ |
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protected function getRequest(string $url): RequestInterface |
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{ |
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return $this->getMessageFactory()->createRequest('GET', $url); |
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} |
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/** |
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* Send request and return contents. If content is empty, an exception will be thrown. |
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* |
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* @param RequestInterface $request |
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* |
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* @return string |
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* |
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* @throws InvalidServerResponse |
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*/ |
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protected function getParsedResponse(RequestInterface $request): string |
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{ |
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$response = $this->getHttpClient()->sendRequest($request); |
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$statusCode = $response->getStatusCode(); |
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if (401 === $statusCode || 403 === $statusCode) { |
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throw new InvalidCredentials(); |
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} elseif (429 === $statusCode) { |
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throw new QuotaExceeded(); |
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} elseif ($statusCode >= 300) { |
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throw InvalidServerResponse::create((string) $request->getUri(), $statusCode); |
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} |
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$body = (string) $response->getBody(); |
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if (empty($body)) { |
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throw InvalidServerResponse::emptyResponse((string) $request->getUri()); |
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} |
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return $body; |
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} |
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/** |
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* Returns the HTTP adapter. |
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* |
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* @return HttpClient |
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*/ |
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protected function getHttpClient(): HttpClient |
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{ |
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return $this->client; |
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} |
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/** |
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* @return MessageFactory |
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*/ |
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protected function getMessageFactory(): MessageFactory |
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{ |
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return $this->messageFactory; |
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} |
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} |
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geocoder-php /
php-common-http
