Checking if file exists before streaming

modules/stuff.js

@@ -60,6 +60,13 @@ function appGetFileType (app, wildcard, contentType, pageToRender) {
       fp = fp.join('/')
     }
     const fpath = './public/files' + fp
+    if (!fs.existsSync(fpath)) {
+      res.render('stuff/nofile', {
+        missingFile: fpath,
+        url
+      })
+      return
+    }
     if (req.query.stream || !pageToRender) {
       const stat = fs.statSync(fpath)
       const fileSize = stat.size