diff --git a/controller/documentcontroller.php b/controller/documentcontroller.php
index 56167e8c..91e6ac2b 100644
--- a/controller/documentcontroller.php
+++ b/controller/documentcontroller.php
@@ -423,17 +423,23 @@ class DocumentController extends Controller {
 			return false;
 		}
 
+		// Login the user to see his mount locations
+		$this->loginUser($res['owner']);
+
 		$view = new \OC\Files\View('/' . $res['owner'] . '/files');
 		$info = $view->getFileInfo($res['path']);
 
-		\OC::$server->getLogger()->debug('File info: {info}.', [ 'app' => $this->appName, 'info' => $info ]);
-
-		$baseFileName = $info['name'];
-		$size = $info['size'];
+		// Close the session created for user login
+		\OC::$server->getSession()->close();
 
+		if (!$info) {
+			http_response_code(404);
+			return false;
+		}
+		\OC::$server->getLogger()->debug('File info: {info}.', [ 'app' => $this->appName, 'info' => $info ]);
 		return array(
-			'BaseFileName' => $baseFileName,
-			'Size' => $size,
+			'BaseFileName' => $info['name'],
+			'Size' => $info['size'],
 			'Version' => $version
 			//'DownloadUrl' => '',
 			//'FileUrl' => '',
@@ -464,26 +470,32 @@ class DocumentController extends Controller {
 
 		//TODO: Support X-WOPIMaxExpectedSize header.
 		$res = $row->getPathForToken($fileId, $version, $token);
+		$ownerid = $res['owner'];
 
+		// Login the user to see his mount locations
+		$this->loginUser($ownerid);
+
+		$filename = '';
 		// If some previous version is requested, fetch it from Files_Version app
 		if ($version !== '0') {
 			\OCP\JSON::checkAppEnabled('files_versions');
 
-			$ownerid = $res['owner'];
-
 			// Setup the FS
 			\OC_Util::tearDownFS();
 			\OC_Util::setupFS($ownerid, '/' . $ownerid . '/files');
 
-			list($owner_uid, $filename) = \OCA\Files_Versions\Storage::getUidAndFilename($res['path']);
-			$versionName = '/files_versions/' . $filename . '.v' . $version;
+			list($ownerid, $filename) = \OCA\Files_Versions\Storage::getUidAndFilename($res['path']);
+			$filename = '/files_versions/' . $filename . '.v' . $version;
 
 			\OC_Util::tearDownFS();
-
-			return new DownloadResponse($this->request, $owner_uid, $versionName);
+		} else {
+			$filename = '/files' . $res['path'];
 		}
 
-		return new DownloadResponse($this->request, $res['owner'], '/files' . $res['path']);
+		// Close the session created for user login
+		\OC::$server->getSession()->close();
+
+		return new DownloadResponse($this->request, $ownerid, $filename);
 	}
 
 	/**
diff --git a/lib/db/wopi.php b/lib/db/wopi.php
index 423e5038..c8b96d0f 100644
--- a/lib/db/wopi.php
+++ b/lib/db/wopi.php
@@ -120,15 +120,6 @@ class Wopi extends \OCA\Richdocuments\Db{
 			return false;
 		}
 
-		$owner = $row['owner_uid'];
-		$view = new \OC\Files\View('/' . $owner . '/files');
-		$path = $row['path'];
-
-		if (!$view->is_file($path)) {
-			throw new \Exception('Invalid file path.');
-		}
-
-		$editor = $row['editor_uid'];
-		return array('owner' => $owner, 'editor' => $editor, 'path' => $path);
+		return array('owner' => $row['owner_uid'], 'editor' => $row['editor_uid'], 'path' => $row['path']);
 	}
 }