From 246e2c8db03f01e01e4cabf3e2c56000611d3daf Mon Sep 17 00:00:00 2001
From: Danny Coates <dannycoates@gmail.com>
Date: Fri, 31 Jul 2020 09:36:03 -0700
Subject: [PATCH] set downloadMetadata.status to 404 on unfound downloads.
 fixes #1501

---
 app/ui/download.js     |  6 +++++-
 server/routes/pages.js | 11 ++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/app/ui/download.js b/app/ui/download.js
index cace912c..8abaa1f7 100644
--- a/app/ui/download.js
+++ b/app/ui/download.js
@@ -85,9 +85,13 @@ module.exports = function(state, emit) {
   let content = '';
   if (!state.fileInfo) {
     state.fileInfo = createFileInfo(state);
-    if (!state.fileInfo.nonce) {
+    if (downloadMetadata.status === 404) {
       return notFound(state);
     }
+    if (!state.fileInfo.nonce) {
+      // coming from something like the browser back button
+      return location.reload();
+    }
   }
 
   if (state.fileInfo.dead) {
diff --git a/server/routes/pages.js b/server/routes/pages.js
index c1de6529..5b1ba58d 100644
--- a/server/routes/pages.js
+++ b/server/routes/pages.js
@@ -59,6 +59,15 @@ module.exports = {
 
   notfound: async function(req, res) {
     const appState = await state(req);
-    res.status(404).send(stripEvents(routes().toString('/404', appState)));
+    res
+      .status(404)
+      .send(
+        stripEvents(
+          routes().toString(
+            '/404',
+            Object.assign(appState, { downloadMetadata: { status: 404 } })
+          )
+        )
+      );
   }
 };