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<?php |
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namespace Zwartpet\PHPCertificateToolbox; |
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use Zwartpet\PHPCertificateToolbox\DNSValidator\DNSValidatorInterface; |
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use Zwartpet\PHPCertificateToolbox\Exception\LogicException; |
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use Zwartpet\PHPCertificateToolbox\Exception\RuntimeException; |
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use Psr\Log\LoggerInterface; |
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/** |
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* LetsEncrypt Order class, containing the functions and data associated with a specific LetsEncrypt order. |
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* |
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* @author Youri van Weegberg <[email protected]> |
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* @copyright 2018 Youri van Weegberg |
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* @license https://opensource.org/licenses/mit-license.php MIT License |
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*/ |
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class LEOrder |
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{ |
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const CHALLENGE_TYPE_HTTP = 'http-01'; |
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const CHALLENGE_TYPE_DNS = 'dns-01'; |
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/** @var string order status (pending, processing, valid) */ |
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private $status; |
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/** @var string expiration date for order */ |
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private $expires; |
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/** @var array containing all the domain identifiers for the order */ |
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private $identifiers; |
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/** @var string[] URLs to all the authorization objects for this order */ |
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private $authorizationURLs; |
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/** @var LEAuthorization[] array of authorization objects for the order */ |
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private $authorizations; |
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/** @var string URL for order finalization */ |
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private $finalizeURL; |
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/** @var string URL for obtaining certificate */ |
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private $certificateURL; |
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/** @var string base domain name for certificate */ |
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private $basename; |
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/** @var string URL referencing order */ |
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private $orderURL; |
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/** @var string type of key (rsa or ec) */ |
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private $keyType; |
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/** @var int size of key (typically 2048 or 4096 for rsa, 256 or 384 for ec */ |
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private $keySize; |
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/** @var LEConnector ACME API connection provided to constructor */ |
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private $connector; |
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/** @var LoggerInterface logger provided to constructor */ |
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private $log; |
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/** @var DNSValidatorInterface dns resolution provider to constructor*/ |
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private $dns; |
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/** @var Sleep sleep service provided to constructor */ |
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private $sleep; |
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/** @var CertificateStorageInterface storage interface provided to constructor */ |
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private $storage; |
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/** @var AccountStorageInterface */ |
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private $accountStorage; |
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/** |
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* Initiates the LetsEncrypt Order class. If the base name is found in the $keysDir directory, the order data is |
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* requested. If no order was found locally, if the request is invalid or when there is a change in domain names, a |
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* new order is created. |
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* |
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* @param LEConnector $connector The LetsEncrypt Connector instance to use for HTTP requests. |
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* @param CertificateStorageInterface $storage |
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* @param AccountStorageInterface $accountStorage |
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* @param LoggerInterface $log PSR-3 compatible logger |
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* @param DNSValidatorInterface $dns DNS challenge checking service |
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* @param Sleep $sleep Sleep service for polling |
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*/ |
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public function __construct( |
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LEConnector $connector, |
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CertificateStorageInterface $storage, |
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AccountStorageInterface $accountStorage, |
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LoggerInterface $log, |
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DNSValidatorInterface $dns, |
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Sleep $sleep |
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) { |
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$this->connector = $connector; |
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$this->log = $log; |
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$this->dns = $dns; |
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$this->sleep = $sleep; |
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$this->storage = $storage; |
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$this->accountStorage = $accountStorage; |
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} |
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/** |
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* Loads or updates an order. If the base name is found in the $keysDir directory, the order data is |
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* requested. If no order was found locally, if the request is invalid or when there is a change in domain names, a |
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* new order is created. |
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* |
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* @param string $basename The base name for the order. Preferable the top domain (example.org). |
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* Will be the directory in which the keys are stored. Used for the |
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* CommonName in the certificate as well. |
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* @param array $domains The array of strings containing the domain names on the certificate. |
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* @param string $keyType Type of the key we want to use for certificate. Can be provided in |
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* ALGO-SIZE format (ex. rsa-4096 or ec-256) or simply "rsa" and "ec" |
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* (using default sizes) |
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* @param string $notBefore A date string formatted like 0000-00-00T00:00:00Z (yyyy-mm-dd hh:mm:ss) |
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* at which the certificate becomes valid. |
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* @param string $notAfter A date string formatted like 0000-00-00T00:00:00Z (yyyy-mm-dd hh:mm:ss) |
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* until which the certificate is valid. |
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*/ |
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public function loadOrder($basename, array $domains, $keyType, $notBefore, $notAfter) |
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{ |
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$this->basename = $basename; |
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$this->initialiseKeyTypeAndSize($keyType ?? 'rsa-4096'); |
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if ($this->loadExistingOrder($domains)) { |
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$this->updateAuthorizations(); |
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} else { |
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$this->createOrder($domains, $notBefore, $notAfter); |
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} |
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} |
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private function loadExistingOrder($domains) |
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{ |
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$orderUrl = $this->storage->getMetadata($this->basename.'.order.url'); |
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$publicKey = $this->storage->getPublicKey($this->basename); |
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$privateKey = $this->storage->getPrivateKey($this->basename); |
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//anything to load? |
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if (empty($orderUrl) || empty($publicKey) || empty($privateKey)) { |
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$this->log->info("No order found for {$this->basename}. Creating new order."); |
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return false; |
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} |
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//valid URL? |
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$this->orderURL = $orderUrl; |
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if (!filter_var($this->orderURL, FILTER_VALIDATE_URL)) { |
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//@codeCoverageIgnoreStart |
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$this->log->warning("Order for {$this->basename} has invalid URL. Creating new order."); |
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$this->deleteOrderFiles(); |
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return false; |
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//@codeCoverageIgnoreEnd |
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} |
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//retrieve the order |
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$sign = $this->connector->signRequestKid( |
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null, |
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$this->connector->accountURL, |
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$this->orderURL |
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); |
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$post = $this->connector->post($this->orderURL, $sign); |
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if ($post['status'] !== 200) { |
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//@codeCoverageIgnoreStart |
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$this->log->warning("Order for {$this->basename} could not be loaded. Creating new order."); |
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$this->deleteOrderFiles(); |
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return false; |
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//@codeCoverageIgnoreEnd |
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} |
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//ensure the order is still valid |
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if ($post['body']['status'] === 'invalid') { |
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$this->log->warning("Order for {$this->basename} is 'invalid', unable to authorize. Creating new order."); |
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$this->deleteOrderFiles(); |
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return false; |
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} |
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//ensure retrieved order matches our domains |
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$orderdomains = array_map(function ($ident) { |
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return $ident['value']; |
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}, $post['body']['identifiers']); |
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$diff = array_merge(array_diff($orderdomains, $domains), array_diff($domains, $orderdomains)); |
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if (!empty($diff)) { |
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$this->log->warning('Domains do not match order data. Deleting and creating new order.'); |
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$this->deleteOrderFiles(); |
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return false; |
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} |
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//the order is good |
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$this->status = $post['body']['status']; |
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$this->expires = $post['body']['expires']; |
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$this->identifiers = $post['body']['identifiers']; |
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$this->authorizationURLs = $post['body']['authorizations']; |
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$this->finalizeURL = $post['body']['finalize']; |
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if (array_key_exists('certificate', $post['body'])) { |
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$this->certificateURL = $post['body']['certificate']; |
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} |
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return true; |
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} |
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private function deleteOrderFiles() |
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{ |
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$this->storage->setPrivateKey($this->basename, null); |
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$this->storage->setPublicKey($this->basename, null); |
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$this->storage->setCertificate($this->basename, null); |
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$this->storage->setFullChainCertificate($this->basename, null); |
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$this->storage->setMetadata($this->basename.'.order.url', null); |
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} |
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private function initialiseKeyTypeAndSize($keyType) |
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{ |
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if ($keyType == 'rsa') { |
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$this->keyType = 'rsa'; |
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$this->keySize = 4096; |
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} elseif ($keyType == 'ec') { |
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$this->keyType = 'ec'; |
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$this->keySize = 256; |
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} else { |
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preg_match_all('/^(rsa|ec)\-([0-9]{3,4})$/', $keyType, $keyTypeParts, PREG_SET_ORDER, 0); |
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if (!empty($keyTypeParts)) { |
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$this->keyType = $keyTypeParts[0][1]; |
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$this->keySize = intval($keyTypeParts[0][2]); |
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} else { |
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throw new LogicException('Key type \'' . $keyType . '\' not supported.'); |
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} |
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} |
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} |
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/** |
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* Creates a new LetsEncrypt order and fills this instance with its data. Subsequently creates a new RSA keypair |
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* for the certificate. |
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* |
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* @param array $domains The array of strings containing the domain names on the certificate. |
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* @param string $notBefore A date string formatted like 0000-00-00T00:00:00Z (yyyy-mm-dd hh:mm:ss) |
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* at which the certificate becomes valid. |
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* @param string $notAfter A date string formatted like 0000-00-00T00:00:00Z (yyyy-mm-dd hh:mm:ss) |
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* until which the certificate is valid. |
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*/ |
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private function createOrder($domains, $notBefore, $notAfter) |
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{ |
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if (!preg_match('~(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z|^$)~', $notBefore) || |
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!preg_match('~(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z|^$)~', $notAfter) |
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) { |
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throw new LogicException("notBefore and notAfter must be blank or iso-8601 datestamp"); |
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} |
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$dns = []; |
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foreach ($domains as $domain) { |
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if (preg_match_all('~(\*\.)~', $domain) > 1) { |
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throw new LogicException('Cannot create orders with multiple wildcards in one domain.'); |
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} |
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$dns[] = ['type' => 'dns', 'value' => $domain]; |
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} |
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$payload = ["identifiers" => $dns, 'notBefore' => $notBefore, 'notAfter' => $notAfter]; |
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$sign = $this->connector->signRequestKid( |
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$payload, |
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$this->connector->accountURL, |
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$this->connector->newOrder |
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); |
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$post = $this->connector->post($this->connector->newOrder, $sign); |
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if ($post['status'] !== 201) { |
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//@codeCoverageIgnoreStart |
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throw new RuntimeException('Creating new order failed.'); |
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//@codeCoverageIgnoreEnd |
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} |
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if (!preg_match('~Location: (\S+)~i', $post['header'], $matches)) { |
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//@codeCoverageIgnoreStart |
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throw new RuntimeException('New-order returned invalid response.'); |
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//@codeCoverageIgnoreEnd |
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} |
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$this->orderURL = trim($matches[1]); |
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$this->storage->setMetadata($this->basename.'.order.url', $this->orderURL); |
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$this->generateKeys(); |
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$this->status = $post['body']['status']; |
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$this->expires = $post['body']['expires']; |
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$this->identifiers = $post['body']['identifiers']; |
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$this->authorizationURLs = $post['body']['authorizations']; |
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$this->finalizeURL = $post['body']['finalize']; |
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if (array_key_exists('certificate', $post['body'])) { |
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$this->certificateURL = $post['body']['certificate']; |
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} |
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$this->updateAuthorizations(); |
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$this->log->info('Created order for ' . $this->basename); |
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} |
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private function generateKeys() |
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293
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{ |
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60 |
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if ($this->keyType == "rsa") { |
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32 |
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$key = LEFunctions::RSAgenerateKeys($this->keySize); |
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} else { |
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297
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28 |
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$key = LEFunctions::ECgenerateKeys($this->keySize); |
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} |
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60 |
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$this->storage->setPublicKey($this->basename, $key['public']); |
|
301
|
60 |
|
$this->storage->setPrivateKey($this->basename, $key['private']); |
|
302
|
60 |
|
} |
|
303
|
|
|
|
|
304
|
|
|
/** |
|
305
|
|
|
* Fetches the latest data concerning this LetsEncrypt Order instance and fills this instance with the new data. |
|
306
|
|
|
*/ |
|
307
|
28 |
|
private function updateOrderData() |
|
308
|
|
|
{ |
|
309
|
28 |
|
$sign = $this->connector->signRequestKid( |
|
310
|
28 |
|
null, |
|
311
|
28 |
|
$this->connector->accountURL, |
|
312
|
28 |
|
$this->orderURL |
|
313
|
|
|
); |
|
314
|
|
|
|
|
315
|
28 |
|
$post = $this->connector->post($this->orderURL, $sign); |
|
316
|
28 |
|
if (strpos($post['header'], "200 OK") !== false) { |
|
317
|
28 |
|
$this->status = $post['body']['status']; |
|
318
|
28 |
|
$this->expires = $post['body']['expires']; |
|
319
|
28 |
|
$this->identifiers = $post['body']['identifiers']; |
|
320
|
28 |
|
$this->authorizationURLs = $post['body']['authorizations']; |
|
321
|
28 |
|
$this->finalizeURL = $post['body']['finalize']; |
|
322
|
28 |
|
if (array_key_exists('certificate', $post['body'])) { |
|
|
|
|
|
|
323
|
28 |
|
$this->certificateURL = $post['body']['certificate']; |
|
324
|
|
|
} |
|
325
|
28 |
|
$this->updateAuthorizations(); |
|
326
|
|
|
} else { |
|
327
|
|
|
//@codeCoverageIgnoreStart |
|
328
|
|
|
$this->log->error("Failed to fetch order for {$this->basename}"); |
|
329
|
|
|
//@codeCoverageIgnoreEnd |
|
330
|
|
|
} |
|
331
|
28 |
|
} |
|
332
|
|
|
|
|
333
|
|
|
/** |
|
334
|
|
|
* Fetches the latest data concerning all authorizations connected to this LetsEncrypt Order instance and |
|
335
|
|
|
* creates and stores a new LetsEncrypt Authorization instance for each one. |
|
336
|
|
|
*/ |
|
337
|
60 |
|
private function updateAuthorizations() |
|
338
|
|
|
{ |
|
339
|
60 |
|
$this->authorizations = []; |
|
340
|
60 |
|
foreach ($this->authorizationURLs as $authURL) { |
|
341
|
56 |
|
if (filter_var($authURL, FILTER_VALIDATE_URL)) { |
|
342
|
56 |
|
$auth = new LEAuthorization($this->connector, $this->log, $authURL); |
|
343
|
56 |
|
if ($auth != false) { |
|
344
|
56 |
|
$this->authorizations[] = $auth; |
|
345
|
|
|
} |
|
346
|
|
|
} |
|
347
|
|
|
} |
|
348
|
60 |
|
} |
|
349
|
|
|
|
|
350
|
|
|
/** |
|
351
|
|
|
* Walks all LetsEncrypt Authorization instances and returns whether they are all valid (verified). |
|
352
|
|
|
* |
|
353
|
|
|
* @return boolean Returns true if all authorizations are valid (verified), returns false if not. |
|
354
|
|
|
*/ |
|
355
|
6 |
|
public function allAuthorizationsValid() |
|
356
|
|
|
{ |
|
357
|
6 |
|
if (count($this->authorizations) > 0) { |
|
358
|
2 |
|
foreach ($this->authorizations as $auth) { |
|
359
|
2 |
|
if ($auth->status != 'valid') { |
|
360
|
2 |
|
return false; |
|
361
|
|
|
} |
|
362
|
|
|
} |
|
363
|
2 |
|
return true; |
|
364
|
|
|
} |
|
365
|
4 |
|
return false; |
|
366
|
|
|
} |
|
367
|
|
|
|
|
368
|
6 |
|
private function loadAccountKey() |
|
369
|
|
|
{ |
|
370
|
6 |
|
$keydata = $this->accountStorage->getAccountPrivateKey(); |
|
371
|
6 |
|
$privateKey = openssl_pkey_get_private($keydata); |
|
372
|
6 |
|
if ($privateKey === false) { |
|
373
|
|
|
//@codeCoverageIgnoreStart |
|
374
|
|
|
throw new RuntimeException("Failed load account key"); |
|
375
|
|
|
//@codeCoverageIgnoreEnd |
|
376
|
|
|
} |
|
377
|
6 |
|
return $privateKey; |
|
378
|
|
|
} |
|
379
|
|
|
|
|
380
|
|
|
|
|
381
|
2 |
|
private function loadCertificateKey() |
|
382
|
|
|
{ |
|
383
|
2 |
|
$keydata = $this->storage->getPrivateKey($this->basename); |
|
384
|
2 |
|
$privateKey = openssl_pkey_get_private($keydata); |
|
385
|
2 |
|
if ($privateKey === false) { |
|
386
|
|
|
//@codeCoverageIgnoreStart |
|
387
|
|
|
throw new RuntimeException("Failed load certificate key"); |
|
388
|
|
|
//@codeCoverageIgnoreEnd |
|
389
|
|
|
} |
|
390
|
2 |
|
return $privateKey; |
|
391
|
|
|
} |
|
392
|
|
|
|
|
393
|
|
|
/** |
|
394
|
|
|
* Get all pending LetsEncrypt Authorization instances and return the necessary data for verification. |
|
395
|
|
|
* The data in the return object depends on the $type. |
|
396
|
|
|
* |
|
397
|
|
|
* @param string $type The type of verification to get. Supporting http-01 and dns-01. |
|
398
|
|
|
* Supporting LEOrder::CHALLENGE_TYPE_HTTP and LEOrder::CHALLENGE_TYPE_DNS. Throws a Runtime |
|
399
|
|
|
* Exception when requesting an unknown $type. Keep in mind a wildcard domain authorization only |
|
400
|
|
|
* accepts LEOrder::CHALLENGE_TYPE_DNS. |
|
401
|
|
|
* |
|
402
|
|
|
* @return array|bool Returns an array with verification data if successful, false if not pending LetsEncrypt |
|
403
|
|
|
* Authorization instances were found. The return array always |
|
404
|
|
|
* contains 'type' and 'identifier'. For LEOrder::CHALLENGE_TYPE_HTTP, the array contains |
|
405
|
|
|
* 'filename' and 'content' for necessary the authorization file. |
|
406
|
|
|
* For LEOrder::CHALLENGE_TYPE_DNS, the array contains 'DNSDigest', which is the content for the |
|
407
|
|
|
* necessary DNS TXT entry. |
|
408
|
|
|
*/ |
|
409
|
|
|
|
|
410
|
6 |
|
public function getPendingAuthorizations($type) |
|
411
|
|
|
{ |
|
412
|
6 |
|
$authorizations = []; |
|
413
|
|
|
|
|
414
|
6 |
|
$privateKey = $this->loadAccountKey(); |
|
415
|
6 |
|
$details = openssl_pkey_get_details($privateKey); |
|
416
|
|
|
|
|
417
|
|
|
$header = [ |
|
418
|
6 |
|
"e" => LEFunctions::base64UrlSafeEncode($details["rsa"]["e"]), |
|
419
|
6 |
|
"kty" => "RSA", |
|
420
|
6 |
|
"n" => LEFunctions::base64UrlSafeEncode($details["rsa"]["n"]) |
|
421
|
|
|
|
|
422
|
|
|
]; |
|
423
|
6 |
|
$digest = LEFunctions::base64UrlSafeEncode(hash('sha256', json_encode($header), true)); |
|
424
|
|
|
|
|
425
|
6 |
|
foreach ($this->authorizations as $auth) { |
|
426
|
6 |
|
if ($auth->status == 'pending') { |
|
427
|
6 |
|
$challenge = $auth->getChallenge($type); |
|
428
|
6 |
|
if ($challenge['status'] == 'pending') { |
|
429
|
6 |
|
$keyAuthorization = $challenge['token'] . '.' . $digest; |
|
430
|
6 |
|
switch (strtolower($type)) { |
|
431
|
6 |
|
case LEOrder::CHALLENGE_TYPE_HTTP: |
|
432
|
4 |
|
$authorizations[] = [ |
|
433
|
4 |
|
'type' => LEOrder::CHALLENGE_TYPE_HTTP, |
|
434
|
4 |
|
'identifier' => $auth->identifier['value'], |
|
435
|
4 |
|
'filename' => $challenge['token'], |
|
436
|
4 |
|
'content' => $keyAuthorization |
|
437
|
|
|
]; |
|
438
|
4 |
|
break; |
|
439
|
2 |
|
case LEOrder::CHALLENGE_TYPE_DNS: |
|
440
|
2 |
|
$DNSDigest = LEFunctions::base64UrlSafeEncode( |
|
441
|
2 |
|
hash('sha256', $keyAuthorization, true) |
|
442
|
|
|
); |
|
443
|
2 |
|
$authorizations[] = [ |
|
444
|
2 |
|
'type' => LEOrder::CHALLENGE_TYPE_DNS, |
|
445
|
2 |
|
'identifier' => $auth->identifier['value'], |
|
446
|
2 |
|
'DNSDigest' => $DNSDigest |
|
447
|
|
|
]; |
|
448
|
6 |
|
break; |
|
449
|
|
|
} |
|
450
|
|
|
} |
|
451
|
|
|
} |
|
452
|
|
|
} |
|
453
|
|
|
|
|
454
|
6 |
|
return count($authorizations) > 0 ? $authorizations : false; |
|
455
|
|
|
} |
|
456
|
|
|
|
|
457
|
|
|
/** |
|
458
|
|
|
* Sends a verification request for a given $identifier and $type. The function itself checks whether the |
|
459
|
|
|
* verification is valid before making the request. |
|
460
|
|
|
* Updates the LetsEncrypt Authorization instances after a successful verification. |
|
461
|
|
|
* |
|
462
|
|
|
* @param string $identifier The domain name to verify. |
|
463
|
|
|
* @param int $type The type of verification. Supporting LEOrder::CHALLENGE_TYPE_HTTP and |
|
464
|
|
|
* LEOrder::CHALLENGE_TYPE_DNS. |
|
465
|
|
|
* |
|
466
|
|
|
* @return boolean Returns true when the verification request was successful, false if not. |
|
467
|
|
|
*/ |
|
468
|
2 |
|
public function verifyPendingOrderAuthorization($identifier, $type) |
|
469
|
|
|
{ |
|
470
|
2 |
|
$privateKey = $this->loadAccountKey(); |
|
471
|
2 |
|
$details = openssl_pkey_get_details($privateKey); |
|
472
|
|
|
|
|
473
|
|
|
$header = [ |
|
474
|
2 |
|
"e" => LEFunctions::base64UrlSafeEncode($details["rsa"]["e"]), |
|
475
|
2 |
|
"kty" => "RSA", |
|
476
|
2 |
|
"n" => LEFunctions::base64UrlSafeEncode($details["rsa"]["n"]) |
|
477
|
|
|
]; |
|
478
|
2 |
|
$digest = LEFunctions::base64UrlSafeEncode(hash('sha256', json_encode($header), true)); |
|
479
|
|
|
|
|
480
|
2 |
|
foreach ($this->authorizations as $auth) { |
|
481
|
2 |
|
if ($auth->identifier['value'] == $identifier) { |
|
482
|
2 |
|
if ($auth->status == 'pending') { |
|
483
|
2 |
|
$challenge = $auth->getChallenge($type); |
|
484
|
2 |
|
if ($challenge['status'] == 'pending') { |
|
485
|
2 |
|
$keyAuthorization = $challenge['token'] . '.' . $digest; |
|
486
|
|
|
switch ($type) { |
|
487
|
2 |
|
case LEOrder::CHALLENGE_TYPE_HTTP: |
|
488
|
|
|
return $this->verifyHTTPChallenge($identifier, $challenge, $keyAuthorization, $auth); |
|
489
|
2 |
|
case LEOrder::CHALLENGE_TYPE_DNS: |
|
490
|
2 |
|
return $this->verifyDNSChallenge($identifier, $challenge, $keyAuthorization, $auth); |
|
491
|
|
|
} |
|
492
|
|
|
} |
|
493
|
|
|
} |
|
494
|
|
|
} |
|
495
|
|
|
} |
|
496
|
|
|
|
|
497
|
|
|
//f we reach here, the domain identifier given did not match any authorization object |
|
498
|
|
|
//@codeCoverageIgnoreStart |
|
499
|
|
|
throw new LogicException("Attempt to verify authorization for identifier $identifier not in order"); |
|
500
|
|
|
//@codeCoverageIgnoreEnd |
|
501
|
|
|
} |
|
502
|
|
|
|
|
503
|
2 |
|
private function verifyDNSChallenge($identifier, array $challenge, $keyAuthorization, LEAuthorization $auth) |
|
504
|
|
|
{ |
|
505
|
|
|
//check it ourselves |
|
506
|
2 |
|
$DNSDigest = LEFunctions::base64UrlSafeEncode(hash('sha256', $keyAuthorization, true)); |
|
507
|
2 |
|
if (!$this->dns->checkChallenge($identifier, $DNSDigest)) { |
|
508
|
|
|
$this->log->warning("DNS challenge for $identifier tested, found invalid."); |
|
509
|
|
|
return false; |
|
510
|
|
|
} |
|
511
|
|
|
|
|
512
|
|
|
//ask LE to check |
|
513
|
2 |
|
$sign = $this->connector->signRequestKid( |
|
514
|
2 |
|
['keyAuthorization' => $keyAuthorization], |
|
515
|
2 |
|
$this->connector->accountURL, |
|
516
|
2 |
|
$challenge['url'] |
|
517
|
|
|
); |
|
518
|
2 |
|
$post = $this->connector->post($challenge['url'], $sign); |
|
519
|
2 |
|
if ($post['status'] !== 200) { |
|
520
|
|
|
$this->log->warning("DNS challenge for $identifier valid, but failed to post to ACME service"); |
|
521
|
|
|
return false; |
|
522
|
|
|
} |
|
523
|
|
|
|
|
524
|
2 |
|
while ($auth->status == 'pending') { |
|
525
|
2 |
|
$this->log->notice("DNS challenge for $identifier valid - waiting for confirmation"); |
|
526
|
2 |
|
$this->sleep->for(1); |
|
527
|
2 |
|
$auth->updateData(); |
|
528
|
|
|
} |
|
529
|
2 |
|
$this->log->notice("DNS challenge for $identifier validated"); |
|
530
|
|
|
|
|
531
|
2 |
|
return true; |
|
532
|
|
|
} |
|
533
|
|
|
|
|
534
|
|
|
private function verifyHTTPChallenge($identifier, array $challenge, $keyAuthorization, LEAuthorization $auth) |
|
535
|
|
|
{ |
|
536
|
|
|
if (!$this->connector->checkHTTPChallenge($identifier, $challenge['token'], $keyAuthorization)) { |
|
537
|
|
|
$this->log->warning("HTTP challenge for $identifier tested, found invalid."); |
|
538
|
|
|
return false; |
|
539
|
|
|
} |
|
540
|
|
|
|
|
541
|
|
|
$sign = $this->connector->signRequestKid( |
|
542
|
|
|
['keyAuthorization' => $keyAuthorization], |
|
543
|
|
|
$this->connector->accountURL, |
|
544
|
|
|
$challenge['url'] |
|
545
|
|
|
); |
|
546
|
|
|
|
|
547
|
|
|
$post = $this->connector->post($challenge['url'], $sign); |
|
548
|
|
|
if ($post['status'] !== 200) { |
|
549
|
|
|
//@codeCoverageIgnoreStart |
|
550
|
|
|
$this->log->warning("HTTP challenge for $identifier valid, but failed to post to ACME service"); |
|
551
|
|
|
return false; |
|
552
|
|
|
//@codeCoverageIgnoreEnd |
|
553
|
|
|
} |
|
554
|
|
|
|
|
555
|
|
|
while ($auth->status == 'pending') { |
|
556
|
|
|
$this->log->notice("HTTP challenge for $identifier valid - waiting for confirmation"); |
|
557
|
|
|
$this->sleep->for(1); |
|
558
|
|
|
$auth->updateData(); |
|
559
|
|
|
} |
|
560
|
|
|
$this->log->notice("HTTP challenge for $identifier validated"); |
|
561
|
|
|
return true; |
|
562
|
|
|
} |
|
563
|
|
|
|
|
564
|
|
|
/* |
|
565
|
|
|
* Deactivate an LetsEncrypt Authorization instance. |
|
566
|
|
|
* |
|
567
|
|
|
* @param string $identifier The domain name for which the verification should be deactivated. |
|
568
|
|
|
* |
|
569
|
|
|
* @return boolean Returns true is the deactivation request was successful, false if not. |
|
570
|
|
|
*/ |
|
571
|
|
|
/* |
|
572
|
|
|
public function deactivateOrderAuthorization($identifier) |
|
573
|
|
|
{ |
|
574
|
|
|
foreach ($this->authorizations as $auth) { |
|
575
|
|
|
if ($auth->identifier['value'] == $identifier) { |
|
576
|
|
|
$sign = $this->connector->signRequestKid( |
|
577
|
|
|
['status' => 'deactivated'], |
|
578
|
|
|
$this->connector->accountURL, |
|
579
|
|
|
$auth->authorizationURL |
|
580
|
|
|
); |
|
581
|
|
|
$post = $this->connector->post($auth->authorizationURL, $sign); |
|
582
|
|
|
if (strpos($post['header'], "200 OK") !== false) { |
|
583
|
|
|
$this->log->info('Authorization for \'' . $identifier . '\' deactivated.'); |
|
584
|
|
|
$this->updateAuthorizations(); |
|
585
|
|
|
return true; |
|
586
|
|
|
} |
|
587
|
|
|
} |
|
588
|
|
|
} |
|
589
|
|
|
|
|
590
|
|
|
$this->log->warning('No authorization found for \'' . $identifier . '\', cannot deactivate.'); |
|
591
|
|
|
|
|
592
|
|
|
return false; |
|
593
|
|
|
} |
|
594
|
|
|
*/ |
|
595
|
|
|
|
|
596
|
|
|
/** |
|
597
|
|
|
* Generates a Certificate Signing Request for the identifiers in the current LetsEncrypt Order instance. |
|
598
|
|
|
* If possible, the base name will be the certificate common name and all domain names in this LetsEncrypt Order |
|
599
|
|
|
* instance will be added to the Subject Alternative Names entry. |
|
600
|
|
|
* |
|
601
|
|
|
* @return string Returns the generated CSR as string, unprepared for LetsEncrypt. Preparation for the request |
|
602
|
|
|
* happens in finalizeOrder() |
|
603
|
|
|
*/ |
|
604
|
|
|
private function generateCSR() |
|
605
|
|
|
{ |
|
606
|
2 |
|
$domains = array_map(function ($dns) { |
|
607
|
2 |
|
return $dns['value']; |
|
608
|
2 |
|
}, $this->identifiers); |
|
609
|
|
|
|
|
610
|
2 |
|
$dn = ["commonName" => $this->calcCommonName($domains)]; |
|
611
|
|
|
|
|
612
|
2 |
|
$san = implode(",", array_map(function ($dns) { |
|
613
|
2 |
|
return "DNS:" . $dns; |
|
614
|
2 |
|
}, $domains)); |
|
615
|
2 |
|
$tmpConf = tmpfile(); |
|
616
|
2 |
|
if ($tmpConf === false) { |
|
617
|
|
|
//@codeCoverageIgnoreStart |
|
618
|
|
|
throw new RuntimeException('LEOrder::generateCSR failed to create tmp file'); |
|
619
|
|
|
//@codeCoverageIgnoreEnd |
|
620
|
|
|
} |
|
621
|
2 |
|
$tmpConfMeta = stream_get_meta_data($tmpConf); |
|
622
|
2 |
|
$tmpConfPath = $tmpConfMeta["uri"]; |
|
623
|
|
|
|
|
624
|
2 |
|
fwrite( |
|
625
|
2 |
|
$tmpConf, |
|
626
|
|
|
'HOME = . |
|
627
|
|
|
RANDFILE = $ENV::HOME/.rnd |
|
628
|
|
|
[ req ] |
|
629
|
2 |
|
default_bits = ' . $this->keySize . ' |
|
630
|
|
|
default_keyfile = privkey.pem |
|
631
|
|
|
distinguished_name = req_distinguished_name |
|
632
|
|
|
req_extensions = v3_req |
|
633
|
|
|
[ req_distinguished_name ] |
|
634
|
|
|
countryName = Country Name (2 letter code) |
|
635
|
|
|
[ v3_req ] |
|
636
|
|
|
basicConstraints = CA:FALSE |
|
637
|
2 |
|
subjectAltName = ' . $san . ' |
|
638
|
|
|
keyUsage = nonRepudiation, digitalSignature, keyEncipherment' |
|
639
|
|
|
); |
|
640
|
|
|
|
|
641
|
2 |
|
$privateKey = $this->loadCertificateKey(); |
|
642
|
2 |
|
$csr = openssl_csr_new($dn, $privateKey, ['config' => $tmpConfPath, 'digest_alg' => 'sha256']); |
|
|
|
|
|
|
643
|
2 |
|
openssl_csr_export($csr, $csr); |
|
|
|
|
|
|
644
|
2 |
|
return $csr; |
|
645
|
|
|
} |
|
646
|
|
|
|
|
647
|
2 |
|
private function calcCommonName($domains) |
|
648
|
|
|
{ |
|
649
|
2 |
|
if (in_array($this->basename, $domains)) { |
|
650
|
2 |
|
$CN = $this->basename; |
|
651
|
|
|
} elseif (in_array('*.' . $this->basename, $domains)) { |
|
652
|
|
|
$CN = '*.' . $this->basename; |
|
653
|
|
|
} else { |
|
654
|
|
|
$CN = $domains[0]; |
|
655
|
|
|
} |
|
656
|
2 |
|
return $CN; |
|
657
|
|
|
} |
|
658
|
|
|
|
|
659
|
|
|
/** |
|
660
|
|
|
* Checks, for redundancy, whether all authorizations are valid, and finalizes the order. Updates this LetsEncrypt |
|
661
|
|
|
* Order instance with the new data. |
|
662
|
|
|
* |
|
663
|
|
|
* @param string $csr The Certificate Signing Request as a string. Can be a custom CSR. If empty, a CSR will |
|
664
|
|
|
* be generated with the generateCSR() function. |
|
665
|
|
|
* |
|
666
|
|
|
* @return boolean Returns true if the finalize request was successful, false if not. |
|
667
|
|
|
*/ |
|
668
|
2 |
|
public function finalizeOrder($csr = '') |
|
669
|
|
|
{ |
|
670
|
2 |
|
if ($this->status == 'pending' || $this->status == 'ready') { |
|
671
|
2 |
|
if ($this->allAuthorizationsValid()) { |
|
672
|
2 |
|
if (empty($csr)) { |
|
673
|
2 |
|
$csr = $this->generateCSR(); |
|
674
|
|
|
} |
|
675
|
2 |
|
if (preg_match( |
|
676
|
2 |
|
'~-----BEGIN\sCERTIFICATE\sREQUEST-----(.*)-----END\sCERTIFICATE\sREQUEST-----~s', |
|
677
|
2 |
|
$csr, |
|
678
|
2 |
|
$matches |
|
679
|
|
|
) |
|
680
|
|
|
) { |
|
681
|
2 |
|
$csr = $matches[1]; |
|
682
|
|
|
} |
|
683
|
2 |
|
$csr = trim(LEFunctions::base64UrlSafeEncode(base64_decode($csr))); |
|
684
|
2 |
|
$sign = $this->connector->signRequestKid( |
|
685
|
2 |
|
['csr' => $csr], |
|
686
|
2 |
|
$this->connector->accountURL, |
|
687
|
2 |
|
$this->finalizeURL |
|
688
|
|
|
); |
|
689
|
2 |
|
$post = $this->connector->post($this->finalizeURL, $sign); |
|
690
|
2 |
|
if (strpos($post['header'], "200 OK") !== false) { |
|
691
|
2 |
|
$this->status = $post['body']['status']; |
|
692
|
2 |
|
$this->expires = $post['body']['expires']; |
|
693
|
2 |
|
$this->identifiers = $post['body']['identifiers']; |
|
694
|
2 |
|
$this->authorizationURLs = $post['body']['authorizations']; |
|
695
|
2 |
|
$this->finalizeURL = $post['body']['finalize']; |
|
696
|
2 |
|
if (array_key_exists('certificate', $post['body'])) { |
|
|
|
|
|
|
697
|
2 |
|
$this->certificateURL = $post['body']['certificate']; |
|
698
|
|
|
} |
|
699
|
2 |
|
$this->updateAuthorizations(); |
|
700
|
2 |
|
$this->log->info('Order for \'' . $this->basename . '\' finalized.'); |
|
701
|
|
|
|
|
702
|
2 |
|
return true; |
|
703
|
|
|
} |
|
704
|
|
|
} else { |
|
705
|
|
|
$this->log->warning( |
|
706
|
|
|
'Not all authorizations are valid for \'' . |
|
707
|
|
|
$this->basename . '\'. Cannot finalize order.' |
|
708
|
|
|
); |
|
709
|
|
|
} |
|
710
|
|
|
} else { |
|
711
|
|
|
$this->log->warning( |
|
712
|
|
|
'Order status for \'' . $this->basename . |
|
713
|
|
|
'\' is \'' . $this->status . '\'. Cannot finalize order.' |
|
714
|
|
|
); |
|
715
|
|
|
} |
|
716
|
|
|
return false; |
|
717
|
|
|
} |
|
718
|
|
|
|
|
719
|
|
|
/** |
|
720
|
|
|
* Gets whether the LetsEncrypt Order is finalized by checking whether the status is processing or valid. Keep in |
|
721
|
|
|
* mind, a certificate is not yet available when the status still is processing. |
|
722
|
|
|
* |
|
723
|
|
|
* @return boolean Returns true if finalized, false if not. |
|
724
|
|
|
*/ |
|
725
|
2 |
|
public function isFinalized() |
|
726
|
|
|
{ |
|
727
|
2 |
|
return ($this->status == 'processing' || $this->status == 'valid'); |
|
728
|
|
|
} |
|
729
|
|
|
|
|
730
|
|
|
/** |
|
731
|
|
|
* Requests the certificate for this LetsEncrypt Order instance, after finalization. When the order status is still |
|
732
|
|
|
* 'processing', the order will be polled max four times with five seconds in between. If the status becomes 'valid' |
|
733
|
|
|
* in the meantime, the certificate will be requested. Else, the function returns false. |
|
734
|
|
|
* |
|
735
|
|
|
* @return boolean Returns true if the certificate is stored successfully, false if the certificate could not be |
|
736
|
|
|
* retrieved or the status remained 'processing'. |
|
737
|
|
|
*/ |
|
738
|
30 |
|
public function getCertificate() |
|
739
|
|
|
{ |
|
740
|
30 |
|
$polling = 0; |
|
741
|
30 |
|
while ($this->status == 'processing' && $polling < 4) { |
|
742
|
28 |
|
$this->log->info('Certificate for ' . $this->basename . ' being processed. Retrying in 5 seconds...'); |
|
743
|
|
|
|
|
744
|
28 |
|
$this->sleep->for(5); |
|
745
|
28 |
|
$this->updateOrderData(); |
|
746
|
28 |
|
$polling++; |
|
747
|
|
|
} |
|
748
|
|
|
|
|
749
|
30 |
|
if ($this->status != 'valid' || empty($this->certificateURL)) { |
|
750
|
4 |
|
$this->log->warning( |
|
751
|
4 |
|
'Order for ' . $this->basename . ' not valid. Cannot retrieve certificate.' |
|
752
|
|
|
); |
|
753
|
4 |
|
return false; |
|
754
|
|
|
} |
|
755
|
|
|
|
|
756
|
26 |
|
$sign = $this->connector->signRequestKid( |
|
757
|
26 |
|
null, |
|
758
|
26 |
|
$this->connector->accountURL, |
|
759
|
26 |
|
$this->certificateURL |
|
760
|
|
|
); |
|
761
|
|
|
|
|
762
|
26 |
|
$post = $this->connector->post($this->certificateURL, $sign); |
|
763
|
26 |
|
if (strpos($post['header'], "200 OK") === false) { |
|
764
|
4 |
|
$this->log->warning( |
|
765
|
4 |
|
'Invalid response for certificate request for \'' . $this->basename . |
|
766
|
4 |
|
'\'. Cannot save certificate.' |
|
767
|
|
|
); |
|
768
|
4 |
|
return false; |
|
769
|
|
|
} |
|
770
|
|
|
|
|
771
|
22 |
|
return $this->writeCertificates($post['body']); |
|
772
|
|
|
} |
|
773
|
|
|
|
|
774
|
22 |
|
private function writeCertificates($body) |
|
775
|
|
|
{ |
|
776
|
22 |
|
if (preg_match_all('~(-----BEGIN\sCERTIFICATE-----[\s\S]+?-----END\sCERTIFICATE-----)~i', $body, $matches)) { |
|
777
|
18 |
|
$this->storage->setCertificate($this->basename, $matches[0][0]); |
|
778
|
|
|
|
|
779
|
18 |
|
$matchCount = count($matches[0]); |
|
780
|
18 |
|
if ($matchCount > 1) { |
|
781
|
18 |
|
$fullchain = $matches[0][0] . "\n"; |
|
782
|
|
|
|
|
783
|
18 |
|
for ($i = 1; $i < $matchCount; $i++) { |
|
784
|
18 |
|
$fullchain .= $matches[0][$i] . "\n"; |
|
785
|
|
|
} |
|
786
|
18 |
|
$this->storage->setFullChainCertificate($this->basename, $fullchain); |
|
787
|
|
|
} |
|
788
|
18 |
|
$this->log->info("Certificate for {$this->basename} stored"); |
|
789
|
18 |
|
return true; |
|
790
|
|
|
} |
|
791
|
|
|
|
|
792
|
4 |
|
$this->log->error("Received invalid certificate for {$this->basename}, cannot save"); |
|
793
|
4 |
|
return false; |
|
794
|
|
|
} |
|
795
|
|
|
|
|
796
|
|
|
/** |
|
797
|
|
|
* Revokes the certificate in the current LetsEncrypt Order instance, if existent. Unlike stated in the ACME draft, |
|
798
|
|
|
* the certificate revoke request cannot be signed with the account private key, and will be signed with the |
|
799
|
|
|
* certificate private key. |
|
800
|
|
|
* |
|
801
|
|
|
* @param int $reason The reason to revoke the LetsEncrypt Order instance certificate. Possible reasons can be |
|
802
|
|
|
* found in section 5.3.1 of RFC5280. |
|
803
|
|
|
* |
|
804
|
|
|
* @return boolean Returns true if the certificate was successfully revoked, false if not. |
|
805
|
|
|
*/ |
|
806
|
16 |
|
public function revokeCertificate($reason = 0) |
|
807
|
|
|
{ |
|
808
|
16 |
|
if ($this->status != 'valid') { |
|
809
|
4 |
|
$this->log->warning("Order for {$this->basename} not valid, cannot revoke"); |
|
810
|
4 |
|
return false; |
|
811
|
|
|
} |
|
812
|
|
|
|
|
813
|
12 |
|
$certificate = $this->storage->getCertificate($this->basename); |
|
814
|
12 |
|
if (empty($certificate)) { |
|
815
|
4 |
|
$this->log->warning("Certificate for {$this->basename} not found, cannot revoke"); |
|
816
|
4 |
|
return false; |
|
817
|
|
|
} |
|
818
|
|
|
|
|
819
|
8 |
|
preg_match('~-----BEGIN\sCERTIFICATE-----(.*)-----END\sCERTIFICATE-----~s', $certificate, $matches); |
|
820
|
8 |
|
$certificate = trim(LEFunctions::base64UrlSafeEncode(base64_decode(trim($matches[1])))); |
|
821
|
|
|
|
|
822
|
8 |
|
$certificateKey = $this->storage->getPrivateKey($this->basename); |
|
823
|
8 |
|
$sign = $this->connector->signRequestJWK( |
|
824
|
8 |
|
['certificate' => $certificate, 'reason' => $reason], |
|
825
|
8 |
|
$this->connector->revokeCert, |
|
826
|
8 |
|
$certificateKey |
|
827
|
|
|
); |
|
828
|
|
|
//4**/5** responses will throw an exception... |
|
829
|
8 |
|
$this->connector->post($this->connector->revokeCert, $sign); |
|
830
|
4 |
|
$this->log->info("Certificate for {$this->basename} successfully revoked"); |
|
831
|
4 |
|
return true; |
|
832
|
|
|
} |
|
833
|
|
|
} |
|
834
|
|
|
|
Zwartpet /
php-certificate-toolbox
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