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<?php |
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namespace LE_ACME2\Connector; |
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use LE_ACME2\Request; |
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use LE_ACME2\Response; |
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use LE_ACME2\SingletonTrait; |
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use LE_ACME2\Cache; |
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use LE_ACME2\Utilities; |
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use LE_ACME2\Exception; |
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class Connector { |
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use SingletonTrait; |
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const METHOD_GET = 'GET'; |
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const METHOD_HEAD = 'HEAD'; |
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const METHOD_POST = 'POST'; |
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private function __construct() {} |
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protected $_baseURL = 'https://acme-v02.api.letsencrypt.org'; |
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protected $_stagingBaseURL = 'https://acme-staging-v02.api.letsencrypt.org'; |
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protected $_useStagingServer = true; |
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protected $_delayedResponseTime = 0; |
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public function useStagingServer(bool $useStagingServer) { |
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$this->_useStagingServer = $useStagingServer; |
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} |
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public function isUsingStagingServer() : bool { |
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return $this->_useStagingServer; |
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} |
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public function getBaseURL() : string { |
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return $this->_useStagingServer ? $this->_stagingBaseURL : $this->_baseURL; |
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} |
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/** |
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* Delay the response to prevent bleaching rate limits |
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* |
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* @param int $milliSeconds |
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* @return void |
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*/ |
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public function delayResponse(int $milliSeconds) : void { |
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$this->_delayedResponseTime = $milliSeconds; |
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} |
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/** |
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* Makes a Curl request. |
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* |
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* @param string $method The HTTP method to use. Accepting GET, POST and HEAD requests. |
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* @param string $url The URL to make the request to. |
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* @param string $data The body to attach to a POST request. Expected as a JSON encoded string. |
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* |
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* @return RawResponse |
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* @throws Exception\InvalidResponse |
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* @throws Exception\RateLimitReached |
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*/ |
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public function request(string $method, string $url, string $data = null) : RawResponse { |
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Utilities\Event::getInstance()->trigger(Utilities\Event::EVENT_CONNECTOR_WILL_REQUEST, [ |
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'method' => $method, |
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'url' => $url, |
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'data' => $data, |
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]); |
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Utilities\Logger::getInstance()->add(Utilities\Logger::LEVEL_INFO, 'will request from ' . $url, ['data' => $data]); |
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$handle = curl_init(); |
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$headers = array( |
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'Accept: application/json', |
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'Content-Type: ' . ($method == self::METHOD_POST ? 'application/jose+json' : 'application/json') // ACME draft-10, section 6.2 |
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); |
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curl_setopt($handle, CURLOPT_URL, $url); |
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curl_setopt($handle, CURLOPT_HTTPHEADER, $headers); |
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curl_setopt($handle, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt($handle, CURLOPT_HEADER, true); |
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switch ($method) { |
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case self::METHOD_GET: |
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break; |
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case self::METHOD_POST: |
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curl_setopt($handle, CURLOPT_POST, true); |
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curl_setopt($handle, CURLOPT_POSTFIELDS, $data); |
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break; |
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case self::METHOD_HEAD: |
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curl_setopt($handle, CURLOPT_CUSTOMREQUEST, 'HEAD'); |
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curl_setopt($handle, CURLOPT_NOBODY, true); |
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break; |
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default: |
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throw new \RuntimeException('HTTP request ' . $method . ' not supported.'); |
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break; |
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} |
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$response = curl_exec($handle); |
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if($this->_delayedResponseTime > 0) { |
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usleep($this->_delayedResponseTime * 1000); |
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} |
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if(curl_errno($handle)) { |
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throw new \RuntimeException('Curl: ' . curl_error($handle)); |
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} |
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$header_size = curl_getinfo($handle, CURLINFO_HEADER_SIZE); |
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$rawResponse = RawResponse::createFrom($method, $url, $response, $header_size); |
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Utilities\Logger::getInstance()->add(Utilities\Logger::LEVEL_INFO, self::class . ': response received', [get_class($rawResponse) => $rawResponse]); |
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$this->_saveNewNonceFrom($rawResponse, $method); |
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return $rawResponse; |
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} |
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/** |
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* @param RawResponse $rawResponse |
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* @param string $method |
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* @throws Exception\InvalidResponse |
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* @throws Exception\RateLimitReached |
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*/ |
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private function _saveNewNonceFrom(RawResponse $rawResponse, string $method) : void { |
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try { |
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$getNewNonceResponse = new Response\GetNewNonce($rawResponse); |
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Cache\NewNonceResponse::getInstance()->set($getNewNonceResponse); |
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} catch(Exception\InvalidResponse $e) { |
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if($method == self::METHOD_POST) { |
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$request = new Request\GetNewNonce(); |
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$getNewNonceResponse = $request->getResponse(); |
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Cache\NewNonceResponse::getInstance()->set($getNewNonceResponse); |
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} |
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} |
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} |
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} |
fbett /
le-acme2-php
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