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<?php |
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/** |
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* eduVPN - End-user friendly VPN. |
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* |
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* Copyright: 2016-2017, The Commons Conservancy eduVPN Programme |
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* SPDX-License-Identifier: AGPL-3.0+ |
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*/ |
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namespace SURFnet\VPN\Common\HttpClient; |
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use RuntimeException; |
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class CurlHttpClient implements HttpClientInterface |
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{ |
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/** @var resource */ |
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private $curlChannel; |
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/** @var array */ |
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private $authInfo; |
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public function __construct(array $authInfo) |
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{ |
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if (false === $this->curlChannel = curl_init()) { |
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throw new RuntimeException('unable to create cURL channel'); |
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} |
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$this->authInfo = $authInfo; |
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} |
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public function __destruct() |
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{ |
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curl_close($this->curlChannel); |
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} |
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public function get($requestUri) |
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{ |
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return $this->exec( |
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[ |
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CURLOPT_URL => $requestUri, |
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] |
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); |
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} |
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public function post($requestUri, array $postData = []) |
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{ |
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return $this->exec( |
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[ |
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CURLOPT_URL => $requestUri, |
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CURLOPT_POSTFIELDS => http_build_query($postData), |
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] |
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); |
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} |
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private function exec(array $curlOptions) |
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{ |
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// reset all cURL options |
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$this->curlReset(); |
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$defaultCurlOptions = [ |
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CURLOPT_USERPWD => sprintf('%s:%s', $this->authInfo[0], $this->authInfo[1]), |
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CURLOPT_HEADER => false, |
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CURLOPT_RETURNTRANSFER => true, |
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CURLOPT_FOLLOWLOCATION => false, |
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CURLOPT_PROTOCOLS => CURLPROTO_HTTP | CURLPROTO_HTTPS, |
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]; |
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if (false === curl_setopt_array($this->curlChannel, $curlOptions + $defaultCurlOptions)) { |
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throw new RuntimeException('unable to set cURL options'); |
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} |
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if (false === $responseData = curl_exec($this->curlChannel)) { |
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$curlError = curl_error($this->curlChannel); |
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throw new RuntimeException(sprintf('failure performing the HTTP request: "%s"', $curlError)); |
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} |
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return [ |
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curl_getinfo($this->curlChannel, CURLINFO_HTTP_CODE), |
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json_decode($responseData, true), |
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]; |
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} |
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private function curlReset() |
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{ |
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// requires PHP >= 5.5 for curl_reset |
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if (function_exists('curl_reset')) { |
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curl_reset($this->curlChannel); |
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return; |
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} |
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// reset the request method to GET, that is enough to allow for |
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// multiple requests using the same cURL channel |
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if (false === curl_setopt($this->curlChannel, CURLOPT_HTTPGET, true)) { |
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throw new RuntimeException('unable to set cURL options'); |
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} |
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} |
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} |
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eduvpn /
vpn-lib-common
