commit

@@ -42,6 +42,15 @@ class GoogledriveuploadpdfController extends Controller
 
       // error_log(print_r($client,true));
 
+		session_start();
+
+		if (isset($_GET['code']) || (isset($_SESSION['access_token']) && $_SESSION['access_token'])) {
+			if (isset($_GET['code'])) {
+				$client->authenticate($_GET['code']);
+				$_SESSION['access_token'] = $client->getAccessToken();
+			} else
+				$client->setAccessToken($_SESSION['access_token']);
+
 		$dr_service = new \Google_Service_Drive($client);
 		//error_log(print_r($dr_service ,true));
 
@@ -68,7 +77,11 @@ class GoogledriveuploadpdfController extends Controller
 			'mimeType' => $mimetype, //text/plain',
 			'uploadType' => $uploadType
 		));
-
+		} else {
+			$authUrl = $client->createAuthUrl();
+			header('Location: ' . $authUrl);
+			exit();
+		}
 
 	}