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<?php |
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/* |
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* This file is part of the ManageWP Worker plugin. |
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* |
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* (c) ManageWP LLC <contact@managewp.com> |
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* |
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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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|
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class MWP_System_Environment |
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{ |
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|
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/** |
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* @var MWP_ServiceContainer_Interface |
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*/ |
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private $container; |
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|
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public function __construct(MWP_ServiceContainer_Interface $container) |
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{ |
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$this->container = $container; |
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} |
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|
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public function isPdoEnabled() |
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{ |
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if ($this->container->getParameter('disable_pdo')) { |
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return false; |
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} |
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|
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return extension_loaded('pdo_mysql'); |
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} |
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|
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public function isMysqliEnabled() |
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{ |
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if ($this->container->getParameter('disable_mysqli')) { |
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return false; |
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} |
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|
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return extension_loaded('mysqli'); |
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} |
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|
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public function isMysqlEnabled() |
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{ |
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if ($this->container->getParameter('disable_mysql')) { |
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return false; |
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} |
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|
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return extension_loaded('mysql'); |
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} |
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|
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public function isCurlEnabled() |
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{ |
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// Some hosting providers disable only curl_exec(). |
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return (function_exists('curl_init') && function_exists('curl_exec')); |
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} |
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|
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public function isOpenSslLibraryEnabled() |
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{ |
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if ($this->container->getParameter('prefer_phpseclib')) { |
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return false; |
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} |
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|
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if (!extension_loaded('openssl')) { |
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return false; |
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} |
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|
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$context = $this->container->getWordPressContext(); |
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|
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$openSslParameters = $context->optionGet('mwp_openssl_parameters'); |
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|
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if (isset($openSslParameters['time']) && time() - $openSslParameters['time'] < 86400) { |
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return !empty($openSslParameters['working']); |
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} |
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|
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$context->optionSet('mwp_openssl_parameters', array( |
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'time' => time(), |
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'working' => false, |
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)); |
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|
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$workingOpenSsl = $this->verifyIsOpenSslWorking(); |
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|
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$context->optionSet('mwp_openssl_parameters', array( |
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'time' => time(), |
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'working' => $workingOpenSsl, |
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)); |
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|
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return $workingOpenSsl; |
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} |
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|
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private function verifyIsOpenSslWorking() |
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{ |
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$publicKey = <<<EOF |
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-----BEGIN PUBLIC KEY----- |
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MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwQzibtUfAtHeyFwgc0ev |
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HnvwSxnM8DBLEBgI/uMWV/GlhbRLqyHMiIe9p7UsMfeOgY4MJmug4j7ITGeYUVeX |
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Hit+GLlq5arntlYUyYm09YNPkBzfV6oxPcWScRVmmRXK2L40ZfRHdo24Wz8//Vwo |
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ZGWNX0ozq0I6yg5PAyyJt9+DV8dBCUVkDVaQ3qudn4kWSRVb/cD2foeddEcQ1Hni |
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dSgvfyrvTF7vPvyIpbHENEBFigUyoHzWXRWmAR2BkdPUN1gLHCaieQPeAOQS704H |
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HCDgCgja7zNOP/yT96H4pSyeD/VMj4dmudBjdiFCjfF0VEl5iv5siEBW6KHGP5Ye |
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0wIDAQAB |
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-----END PUBLIC KEY----- |
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EOF; |
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|
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$data = 'my data'; |
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$signature = @base64_decode('Wu8wSnlTaxf3hSGj+6kAY0kP1B9VO3cZ6dTVGda0Ti8cHK/ea1hFqo9nUefppPmrVZrSMrFmkBWeOonHhesJxGUNd3AAd+MF9U8hl5a5H2LiA/IYCBZmWCdnJJrGnD8X0hEV0IEEPSvqK3BA6xzKYfCpi1weCH+BByp9asHdnPNKq3uegoXUxubQ6BOslCMZ6fMt9bNOY/2S5O9iV2N0OrPKa9Wseb2Z8qmo8T1l0Oczz66Gtff8/YHZPvZil45ggfeF8fDOHAdOT8LLDEb9k59X3DrKFI3h4OAqernP2ZrN5EpneCJeq5tSwdbDwbqIh+ghqD7ttb6oY2El6w17yw=='); |
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|
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/** @handled function */ |
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$verifyResult = @openssl_verify($data, $signature, $publicKey, OPENSSL_ALGO_SHA1); |
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|
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return $verifyResult === 1; |
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} |
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} |
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|
