Remove hard coded list in extensions

public/scripts/extensions.js

@@ -1,4 +1,4 @@
-import { callPopup, saveSettings, saveSettingsDebounced } from "../script.js";
+import { callPopup, saveSettings, saveSettingsDebounced, token } from "../script.js";
 import { isSubsetOf } from "./utils.js";
 export {
     getContext,
@@ -9,8 +9,8 @@ export {
     extension_settings,
 };
 
-const extensionNames = ['caption', 'dice', 'expressions', 'floating-prompt', 'memory', 'backgrounds'];
-const manifests = await getManifests(extensionNames);
+let extensionNames = [];
+let manifests = [];
 const defaultUrl = "http://localhost:5100";
 
 const extension_settings = {
@@ -34,6 +34,24 @@ const getApiUrl = () => extension_settings.apiUrl;
 const defaultRequestArgs = { method: 'GET', headers: { 'Bypass-Tunnel-Reminder': 'bypass' } };
 let connectedToApi = false;
 
+async function discoverExtensions() {
+    try {
+        const response = await fetch('/discover_extensions', { headers: { 'X-CSRF-Token': token } });
+
+        if (response.ok) {
+            const extensions = await response.json();
+            return extensions;
+        }
+        else {
+            return [];
+        }
+    }
+    catch (err) {
+        console.error(err);
+        return [];
+    }
+}
+
 function onDisableExtensionClick() {
     const name = $(this).data('name');
     disableExtension(name);
@@ -247,7 +265,7 @@ function showExtensionsDetails() {
     callPopup(`<div class="extensions_info">${html}</div>`, 'text');
 }
 
-function loadExtensionSettings(settings) {
+async function loadExtensionSettings(settings) {
     if (settings.extension_settings) {
         Object.assign(extension_settings, settings.extension_settings);
     }
@@ -256,6 +274,8 @@ function loadExtensionSettings(settings) {
     $("#extensions_autoconnect").prop('checked', extension_settings.autoConnect).trigger('input');
 
     // Activate offline extensions
+    extensionNames = await discoverExtensions();
+    manifests = await getManifests(extensionNames)
     activateExtensions();
 }
 

server.js

@@ -118,6 +118,7 @@ const directories = {
     thumbnailsBg: 'thumbnails/bg/',
     thumbnailsAvatar: 'thumbnails/avatar/',
     themes: 'public/themes',
+    extensions: 'public/scripts/extensions'
 };
 
 // CSRF Protection //
@@ -1920,6 +1921,14 @@ app.post('/generate_poe', jsonParser, async (request, response) => {
     }
 });
 
+app.get('/discover_extensions', jsonParser, function (_, response) {
+    const extensions = fs
+        .readdirSync(directories.extensions)
+        .filter(f => fs.statSync(path.join(directories.extensions, f)).isDirectory());
+
+    return response.send(extensions);
+});
+
 function getThumbnailFolder(type) {
     let thumbnailFolder;