/**
  * Send either to the unauthorized page or exit out with a 401
  * @param bool $exit
  */
 public function sendUnauthorized($exit = true)
 {
     if (!$exit) {
         $this->modx->sendUnauthorizedPage();
     } else {
         header('HTTP/1.1 401 Unauthorized');
         @session_write_close();
         exit(0);
     }
 }
 /**
  * Gets a requested resource and all required data.
  *
  * @param string $method The method, 'id', or 'alias', by which to perform
  * the resource lookup.
  * @param string|integer $identifier The identifier with which to search.
  * @param array $options An array of options for the resource fetching
  * @return modResource The requested modResource instance or request
  * is forwarded to the error page, or unauthorized page.
  */
 public function getResource($method, $identifier, array $options = array())
 {
     $resource = null;
     if ($method == 'alias') {
         $resourceId = $this->modx->aliasMap[$identifier];
     } else {
         $resourceId = $identifier;
     }
     if (!is_numeric($resourceId)) {
         $this->modx->sendErrorPage();
     }
     $isForward = array_key_exists('forward', $options) && !empty($options['forward']);
     $fromCache = false;
     $cacheKey = $this->modx->context->get('key') . "/resources/{$resourceId}";
     $cachedResource = $this->modx->cacheManager->get($cacheKey, array(xPDO::OPT_CACHE_KEY => $this->modx->getOption('cache_resource_key', null, 'resource'), xPDO::OPT_CACHE_HANDLER => $this->modx->getOption('cache_resource_handler', null, $this->modx->getOption(xPDO::OPT_CACHE_HANDLER)), xPDO::OPT_CACHE_FORMAT => (int) $this->modx->getOption('cache_resource_format', null, $this->modx->getOption(xPDO::OPT_CACHE_FORMAT, null, xPDOCacheManager::CACHE_PHP))));
     if (is_array($cachedResource) && array_key_exists('resource', $cachedResource) && is_array($cachedResource['resource'])) {
         /** @var modResource $resource */
         $resource = $this->modx->newObject($cachedResource['resourceClass']);
         if ($resource) {
             $resource->fromArray($cachedResource['resource'], '', true, true, true);
             $resource->_content = $cachedResource['resource']['_content'];
             $resource->_isForward = isset($cachedResource['resource']['_isForward']) && !empty($cachedResource['resource']['_isForward']);
             if (isset($cachedResource['contentType'])) {
                 $contentType = $this->modx->newObject('modContentType');
                 $contentType->fromArray($cachedResource['contentType'], '', true, true, true);
                 $resource->addOne($contentType, 'ContentType');
             }
             if (isset($cachedResource['resourceGroups'])) {
                 $rGroups = array();
                 foreach ($cachedResource['resourceGroups'] as $rGroupKey => $rGroup) {
                     $rGroups[$rGroupKey] = $this->modx->newObject('modResourceGroupResource', $rGroup);
                 }
                 $resource->addMany($rGroups);
             }
             if (isset($cachedResource['policyCache'])) {
                 $resource->setPolicies(array($this->modx->context->get('key') => $cachedResource['policyCache']));
             }
             if (isset($cachedResource['elementCache'])) {
                 $this->modx->elementCache = $cachedResource['elementCache'];
             }
             if (isset($cachedResource['sourceCache'])) {
                 $this->modx->sourceCache = $cachedResource['sourceCache'];
             }
             if ($resource->get('_jscripts')) {
                 $this->modx->jscripts = $this->modx->jscripts + $resource->get('_jscripts');
             }
             if ($resource->get('_sjscripts')) {
                 $this->modx->sjscripts = $this->modx->sjscripts + $resource->get('_sjscripts');
             }
             if ($resource->get('_loadedjscripts')) {
                 $this->modx->loadedjscripts = array_merge($this->modx->loadedjscripts, $resource->get('_loadedjscripts'));
             }
             $isForward = $resource->_isForward;
             $resource->setProcessed(true);
             $fromCache = true;
         }
     }
     if (!$fromCache || !is_object($resource)) {
         $criteria = $this->modx->newQuery('modResource');
         $criteria->select(array($this->modx->escape('modResource') . '.*'));
         $criteria->where(array('id' => $resourceId, 'deleted' => '0'));
         if (!$this->modx->hasPermission('view_unpublished') || $this->modx->getSessionState() !== modX::SESSION_STATE_INITIALIZED) {
             $criteria->where(array('published' => 1));
         }
         if ($resource = $this->modx->getObject('modResource', $criteria)) {
             if ($resource instanceof modResource) {
                 if ($resource->get('context_key') !== $this->modx->context->get('key')) {
                     if (!$isForward || $isForward && !$this->modx->getOption('allow_forward_across_contexts', $options, false)) {
                         if (!$this->modx->getCount('modContextResource', array($this->modx->context->get('key'), $resourceId))) {
                             return null;
                         }
                     }
                 }
                 $resource->_isForward = $isForward;
                 if (!$resource->checkPolicy('view')) {
                     $this->modx->sendUnauthorizedPage();
                 }
                 if ($tvs = $resource->getMany('TemplateVars', 'all')) {
                     /** @var modTemplateVar $tv */
                     foreach ($tvs as $tv) {
                         $resource->set($tv->get('name'), array($tv->get('name'), $tv->getValue($resource->get('id')), $tv->get('display'), $tv->get('display_params'), $tv->get('type')));
                     }
                 }
                 $this->modx->resourceGenerated = true;
             }
         }
     } elseif ($fromCache && $resource instanceof modResource && !$resource->get('deleted')) {
         if ($resource->checkPolicy('load') && ($resource->get('published') || $this->modx->getSessionState() === modX::SESSION_STATE_INITIALIZED && $this->modx->hasPermission('view_unpublished'))) {
             if ($resource->get('context_key') !== $this->modx->context->get('key')) {
                 if (!$isForward || $isForward && !$this->modx->getOption('allow_forward_across_contexts', $options, false)) {
                     if (!$this->modx->getCount('modContextResource', array($this->modx->context->get('key'), $resourceId))) {
                         return null;
                     }
                 }
             }
             if (!$resource->checkPolicy('view')) {
                 $this->modx->sendUnauthorizedPage();
             }
         } else {
             return null;
         }
         $this->modx->invokeEvent('OnLoadWebPageCache');
     }
     return $resource;
 }