PHP Output::sendHeader方法代码示例

 /**
  * Receives a new deployed services package to upgrade the running version
  *
  * @return void
  */
 private function upgradeServices()
 {
     if (isset($this->request['package']) === false) {
         return;
     }
     $this->request['package'] = \Output::decodeWireObject($this->request['package']);
     /**
      * Confirm authenticity with origin before upgrading.
      */
     $checksum = hash('sha1', $this->request['package']);
     if (\OriginRequest::validateDeployedPackage($checksum, $this->request['timestamp']) !== true) {
         \Output::render404();
     }
     $upgradeDir = \BASE_DOCROOT_DIR . '/w_api_upgrade/';
     if (mkdir($upgradeDir) !== true) {
         \Output::sendHeader($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error');
     }
     file_put_contents($upgradeDir . 'w_api.zip', $this->request['package']);
     $zip = new \ZipArchive();
     if ($zip->open($upgradeDir . 'w_api.zip', \ZipArchive::CHECKCONS) !== true) {
         /**
          * Bad archive -- do not upgrade
          */
         $zip->close();
         return;
     }
     if ($zip->extractTo($upgradeDir) !== true) {
         $zip->close();
         return;
     }
     foreach (scandir($upgradeDir . '/w_api/') as $file) {
         if (strpos($file, '.php') !== false) {
             if (unlink(\BASE_SERVICES_DIR . $file) === false) {
                 /**
                  * Can't upgrade these services due to permissions errors, looks like
                  */
                 $failure = true;
                 break;
             }
             file_put_contents(\BASE_SERVICES_DIR . $file, file_get_contents($upgradeDir . '/w_api/' . $file));
             unlink($upgradeDir . '/w_api/' . $file);
         }
     }
     \FileSystem::deleteTree($upgradeDir);
     $zip->close();
     if (isset($failure) === true) {
         \Output::sendHeader($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error');
     }
 }

 /**
  * Unzips the content from a given object resource
  *
  * @param string $object
  *
  * @return bool
  */
 public static function expandObject($object)
 {
     if (isset($object) === false) {
         return false;
     }
     /**
      * Create a fairly random place to drop this in -- it'll get removed at the end of execution anyway
      */
     $path = \BASE_DOCROOT_DIR . md5(rand(0, 999)) . '.zip';
     /**
      * Object should be "prop-up" ready, with a path that reflects where it should live on disk
      * from a relative path of the client webroot
      */
     $object = file_put_contents($path, \Output::decodeWireObject($object));
     $zip = new \ZipArchive();
     if ($zip->open($path, \ZipArchive::CHECKCONS) !== true) {
         unlink($path);
         $zip->close();
         return false;
     }
     /**
      * The @ symbol here is awful, but it's even more important that we don't throw a Warning on the extractTo if it fails
      * The early Warning shown causes any further rendering to get lost, because we've already started sending headers
      */
     if (@$zip->extractTo(\BASE_DOCROOT_DIR) !== true) {
         /**
          * Something has gone really wrong -- send a 500.
          */
         \Output::sendHeader($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error');
         unlink($path);
         $zip->close();
         throw new \Exception('Could not expand our origin object');
     }
     unlink($path);
     $zip->close();
     return true;
 }

 /**
  * Handles a response from Origin, generally the last item in the lifecycle of a request
  *
  * @param mixed $response
  *
  * @return void
  */
 private function handleOriginResponse($response)
 {
     /**
      * Origin didn't have the object
      */
     if ($response === false) {
         \Output::render404();
     }
     /**
      * We're good to go, start rendering
      */
     \Output::sendHeader($_SERVER['SERVER_PROTOCOL'] . ' 200 OK');
     /**
      * Origin had the object, and it's now stored on disk, render the stored object
      */
     if ($response === true) {
         if (isset($_COOKIE['is_redirecting']) === true) {
             sleep(2);
         }
         \setcookie('is_redirecting', 1, time() + 5);
         \Output::sendHeader('Location: ' . $this->request['path']);
         $this->isRedirect = true;
     }
     if (is_object($response) === true) {
         /**
          * It's a streaming object, so we'll render it from here
          */
         \Output::sendHeader($_SERVER['SERVER_PROTOCOL'] . ' 200 OK');
         \Output::render(\Output::decodeWireObject($response->object));
     }
 }