Fix gallery files caching, filter by mime type. Use fetch instead of Jquery Ajax

public/scripts/extensions/gallery/index.js

@@ -26,16 +26,19 @@ let firstTime = true;
  * @returns {Promise<Array>} - Resolves with an array of gallery item objects, rejects on error.
  */
 async function getGalleryItems(url) {
-    return new Promise((resolve, reject) => {
-        $.get(`/listimgfiles/${url}`, function (files) {
-            const items = files.map((file) => ({
+    const response = await fetch(`/listimgfiles/${url}`, {
+        method: 'POST',
+        headers: getRequestHeaders(),
+    });
+
+    const data = await response.json();
+    const items = data.map((file) => ({
         src: `user/images/${url}/${file}`,
         srct: `user/images/${url}/${file}`,
         title: "", // Optional title for each item
     }));
-            resolve(items);
-        }).fail(reject);
-    });
+
+    return items;
 }
 
 /**

server.js

@@ -2705,19 +2705,20 @@ app.post('/uploadimage', jsonParser, async (request, response) => {
     }
 });
 
-app.get('/listimgfiles/:folder', (req, res) => {
-    const directoryPath = path.join(process.cwd(), 'public/user/images/', req.params.folder);
+app.post('/listimgfiles/:folder', (req, res) => {
+    const directoryPath = path.join(process.cwd(), 'public/user/images/', sanitize(req.params.folder));
 
     if (!fs.existsSync(directoryPath)) {
         fs.mkdirSync(directoryPath, { recursive: true });
     }
 
-    fs.readdir(directoryPath, (err, files) => {
-        if (err) {
+    try {
+        const images = getImages(directoryPath);
+        return res.send(images);
+    } catch (error) {
+        console.error(error);
         return res.status(500).send({ error: "Unable to retrieve files" });
     }
-        res.send(files);
-    });
 });