public static function executePostCommit() { $payload = json_decode($_REQUEST['payload'], true); $rawPost = file_get_contents('php://input'); $secret = trim(file_get_contents($_SERVER['ROOT_DIR'] . '/data/secret/github-secret')); Actions::returnErrorIf(!isset($_SERVER['HTTP_X_HUB_SIGNATURE']), "HTTP header 'X-Hub-Signature' is missing."); list($algo, $hash) = explode('=', $_SERVER['HTTP_X_HUB_SIGNATURE'], 2) + array('', ''); Actions::returnErrorIf(!in_array($algo, hash_algos(), TRUE), 'Invalid hash algorithm "' . $algo . '"'); Actions::returnErrorIf($hash !== hash_hmac($algo, $rawPost, $secret), 'Hash does not match. "' . $secret . '"' . ' algo: ' . $algo . '$'); if ($payload['ref'] === 'refs/heads/master') { $ret = shell_exec('sudo -u lbry ' . $_SERVER['ROOT_DIR'] . '/update.sh 2>&1'); echo "Successful post commit (aka the script executed, so maybe it is successful):\n"; echo $ret; } return [null, []]; }