Add support for opening and editing files from external storage

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' => $info ]);
+		// Close the session created for user login
-
+		\OC::$server->getSession()->close();
-		$baseFileName = $info['name'];
-		$size = $info['size'];
 
+		if (!$info) {
+			http_response_code(404);
+			return false;
+		}
+		\OC::$server->getLogger()->debug('File info: {info}.', [ 'app' => $this->appName, 'info' => $info ]);
 		return array(
-			'BaseFileName' => $baseFileName,
+			'BaseFileName' => $info['name'],
-			'Size' => $size,
+			'Size' => $info['size'],
 			'Version' => $version
 			//'DownloadUrl' => '',
 			//'FileUrl' => '',
@@ -465,6 +471,9 @@ class DocumentController extends Controller {
 		//TODO: Support X-WOPIMaxExpectedSize header.
 		$res = $row->getPathForToken($fileId, $version, $token);
 
+		// Login the user to see his mount locations
+		$this->loginUser($res['owner']);
+
 		// If some previous version is requested, fetch it from Files_Version app
 		if ($version !== '0') {
 			\OCP\JSON::checkAppEnabled('files_versions');

lib/db/wopi.php

@@ -120,15 +120,6 @@ class Wopi extends \OCA\Richdocuments\Db{
 			return false;
 		}
 
-		$owner = $row['owner_uid'];
+		return array('owner' => $row['owner_uid'], 'editor' => $row['editor_uid'], 'path' => $row['path']);
-		$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);
 	}
 }