Add version service module for fetching server information

this centralizes the handling of requests to get the server information

src/services/VersionService.js

@@ -0,0 +1,49 @@
+/**
+ * Copyright (C) 2024 Puter Technologies Inc.
+ *
+ * This file is part of Puter.
+ *
+ * Puter is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+let server_info = null;
+
+export async function fetchServerInfo(api_origin, auth_token) {
+    if (server_info) return server_info;
+
+    try {
+        const res = await $.ajax({
+            url: api_origin + "/version",
+            type: 'GET',
+            contentType: "application/json",
+            headers: {
+                "Authorization": "Bearer " + auth_token
+            },
+            statusCode: {
+                401: function () {
+                    logout();
+                }
+            }
+        });
+        server_info = {
+            version: res.version,
+            location: res.location,
+            deployTimestamp: res.deploy_timestamp
+        };
+        return server_info;
+    } catch (error) {
+        console.error('Failed to fetch server info:', error);
+        throw error;
+    }
+}