From 61e3cfcac55193d9de4909b9d5dde4adcc1384d2 Mon Sep 17 00:00:00 2001
From: Sebastian Serth <Sebastian.Serth@hpi.de>
Date: Thu, 6 Oct 2022 00:10:52 +0200
Subject: [PATCH] Handle deleted files in CodeOcean::FilesController

Fixes CODEOCEAN-E2
---
 app/controllers/code_ocean/files_controller.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/controllers/code_ocean/files_controller.rb b/app/controllers/code_ocean/files_controller.rb
index 9ceed9cc..babe7cf6 100644
--- a/app/controllers/code_ocean/files_controller.rb
+++ b/app/controllers/code_ocean/files_controller.rb
@@ -11,6 +11,9 @@ module CodeOcean
     skip_before_action :verify_authenticity_token, only: :render_protected_upload
     before_action :require_user!, except: :render_protected_upload
 
+    # In case the .realpath cannot resolve a file (for example because it is no longer available)
+    rescue_from Errno::ENOENT, with: :render_not_found
+
     def authorize!
       authorize(@file)
     end