Merge remote-tracking branch 'origin/stable'

src/public/app/widgets/type_widgets/image.js

@@ -57,9 +57,7 @@ class ImageTypeWidget extends TypeWidget {
     }
 
     async doRefresh(note) {
-        const imageHash = utils.randomString(10);
-
-        this.$imageView.prop("src", `api/images/${note.noteId}/${note.title}?${imageHash}`);
+        this.$imageView.prop("src", `api/images/${note.noteId}/${note.title}`);
     }
 
     copyImageToClipboardEvent({ntxId}) {

src/routes/api/files.js

@@ -60,6 +60,7 @@ function downloadNoteFile(noteId, res, contentDisposition = true) {
         res.setHeader('Content-Disposition', utils.getContentDisposition(filename));
     }
 
+    res.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
     res.setHeader('Content-Type', note.mime);
 
     res.send(note.getContent());

src/routes/api/image.js

@@ -20,6 +20,7 @@ function returnImage(req, res) {
     }
 
     res.set('Content-Type', image.mime);
+    res.set("Cache-Control", "no-cache, no-store, must-revalidate");
 
     res.send(image.getContent());
 }