Merge pull request #1 from cwenzelg/master

FEATURE: Use Flow folder for Google Storage temp files

The GoogleCloudStorage tries to save some temporary files in the server
temporary directory. Working with docker might generate some permission
errors. This feature fixes this issue and lets the Google API use the Flow
folder structure.

Classes/StorageFactory.php

@@ -27,6 +27,12 @@ class StorageFactory
      */
     protected $credentialProfiles;
 
+    /**
+     * @Flow\Inject
+     * @var \TYPO3\Flow\Utility\Environment
+     */
+    protected $environment;
+
     /**
      * Creates a new Storage instance and authenticates agains the Google API
      *
@@ -57,7 +63,10 @@ public function create($credentialsProfileName = 'default')
             $privateKey
         );
 
+        $temporaryTargetPathAndFilename = $this->environment->getPathToTemporaryDirectory() . 'Flownative_Google_CloudStorage_Temp';
+
         $googleClient = new \Google_Client();
+        $googleClient->setClassConfig('Google_Cache_File', 'directory',$temporaryTargetPathAndFilename);
         $googleClient->setAssertionCredentials($credentials);
         if ($googleClient->isAccessTokenExpired()) {
             $googleClient->getRefreshToken();