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<?php |
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/** |
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* Copyright (C) 2016 SURFnet. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace SURFnet\VPN\Common\HttpClient; |
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use SURFnet\VPN\Common\HttpClient\Exception\HttpClientException; |
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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 string */ |
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private $authUser; |
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/** @var string */ |
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private $authPass; |
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public function __construct($authUser, $authPass) |
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{ |
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if (false === $this->curlChannel = curl_init()) { |
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throw new RuntimeException('unable to initialize a cURL session'); |
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} |
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$this->authUser = $authUser; |
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$this->authPass = $authPass; |
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} |
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private function setOptions(array $additionalOptions) |
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{ |
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curl_reset($this->curlChannel); |
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$curlOptions = array_merge( |
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[ |
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CURLOPT_FOLLOWLOCATION => false, |
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CURLOPT_PROTOCOLS => CURLPROTO_HTTPS | CURLPROTO_HTTP, |
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CURLOPT_SSL_VERIFYPEER => true, |
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CURLOPT_SSL_VERIFYHOST => 2, |
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CURLOPT_HTTPAUTH => CURLAUTH_BASIC, |
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CURLOPT_USERPWD => sprintf('%s:%s', $this->authUser, $this->authPass), |
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CURLOPT_RETURNTRANSFER => true, |
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CURLOPT_HTTPHEADER, [ |
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'Accept: application/json', |
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], |
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], |
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$additionalOptions |
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); |
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if (false === curl_setopt_array($this->curlChannel, $curlOptions)) { |
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throw new RuntimeException('unable to set cURL options'); |
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} |
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} |
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public function __destruct() |
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{ |
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curl_close($this->curlChannel); |
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} |
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/** |
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* Send a HTTP GET request. |
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* |
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* @param string $requestUri the request URI |
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* |
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* @throws HttpClientException if the response is a 4xx error with the |
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* JSON "error" field of the response body as the exception message |
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*/ |
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public function get($requestUri) |
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{ |
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$this->setOptions( |
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[ |
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CURLOPT_URL => $requestUri, |
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] |
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); |
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return $this->handleRequest(); |
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} |
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/** |
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* Send a HTTP POST request. |
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* |
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* @param string $requestUri the request URI |
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* @param array $postData the HTTP POST fields to send |
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* |
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* @throws HttpClientException if the response is a 4xx error with the |
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* JSON "error" field of the response body as the exception message |
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*/ |
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public function post($requestUri, array $postData) |
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{ |
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$this->setOptions( |
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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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return $this->handleRequest(); |
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} |
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private function handleRequest() |
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{ |
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$curlResponse = curl_exec($this->curlChannel); |
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// error in the transfer? |
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if (false === $curlResponse) { |
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throw new RuntimeException( |
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sprintf( |
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'cURL error: %s (%s)', |
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curl_error($this->curlChannel) |
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) |
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); |
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} |
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$decodedResponseData = json_decode($curlResponse, true); |
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$curlResponseCode = curl_getinfo($this->curlChannel, CURLINFO_HTTP_CODE); |
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// OK? |
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if ($curlResponseCode >= 200 && $curlResponseCode < 300) { |
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return $decodedResponseData; |
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} |
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if (is_array($decodedResponseData) && array_key_exists('error', $decodedResponseData)) { |
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throw new HttpClientException( |
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sprintf('[%d]: %s', $curlResponseCode, $decodedResponseData['error']) |
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); |
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} |
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throw new HttpClientException( |
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sprintf('[%d]: unexpected error', $curlResponseCode) |
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); |
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} |
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} |
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eduvpn /
vpn-lib-common
