diff --git a/frontend/src-tauri/gen/apple/Sharing/ShareViewController.swift b/frontend/src-tauri/gen/apple/Sharing/ShareViewController.swift
index 37abe17..0cbd7f3 100644
--- a/frontend/src-tauri/gen/apple/Sharing/ShareViewController.swift
+++ b/frontend/src-tauri/gen/apple/Sharing/ShareViewController.swift
@@ -54,9 +54,13 @@ class ShareViewController: SLComposeServiceViewController {
     }
 
     override func didSelectPost() {
-        refreshToken {
-            // This method is called when the user taps the "Post" button.
-            // Start the asynchronous operation here.
+        refreshToken { accessToken in
+            guard let token = accessToken else {
+                // Inform the user about the authentication failure
+                let error = NSError(domain: "ShareExtension", code: -1, userInfo: [NSLocalizedDescriptionKey: "Authentication failed. Please log in again."])
+                self.extensionContext!.cancelRequest(withError: error)
+                return
+            }
 
             guard let provider = self.imageItemProvider else {
                 print("Error: No image item provider found when posting.")
@@ -65,13 +69,6 @@ class ShareViewController: SLComposeServiceViewController {
                 return
             }
 
-            guard let token = self.bearerToken else {
-                 print("Error: Bearer token is missing when posting.")
-                 // Inform the user or log an error
-                 self.extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
-                 return
-            }
-
             // Load the image data asynchronously
             provider.loadItem(forTypeIdentifier: kUTTypeImage as String, options: nil) { [weak self] (item, error) in
                 guard let self = self else { return }
@@ -116,9 +113,6 @@ class ShareViewController: SLComposeServiceViewController {
                 // Now perform the upload asynchronously
                 self.uploadRawData(dataToUpload, imageName: finalImageName, bearerToken: token)
             }
-
-            // Do not complete the request here.
-            // The request will be completed in the uploadRawData completion handler.
         }
     }
 
@@ -159,7 +153,12 @@ class ShareViewController: SLComposeServiceViewController {
          task.resume()
     }
 
-    func refreshToken(completion: @escaping () -> Void) {
+    func refreshToken(completion: @escaping (String?) -> Void) {
+        guard let refreshToken = self.refreshToken else {
+            completion(nil)
+            return
+        }
+
         let url = URL(string: "https://haystack.johncosta.tech/auth/refresh")!
         var request = URLRequest(url: url)
         request.httpMethod = "POST"
@@ -168,20 +167,14 @@ class ShareViewController: SLComposeServiceViewController {
         let body = ["refresh": refreshToken]
         request.httpBody = try? JSONSerialization.data(withJSONObject: body, options: [])
 
-        let task = URLSession.shared.dataTask(with: request) { [weak self] (data, response, error) in
-            guard let self = self else { return }
-
+        let task = URLSession.shared.dataTask(with: request) { (data, response, error) in
             if let data = data,
                let json = try? JSONSerialization.jsonObject(with: data, options: []) as? [String: Any],
                let accessToken = json["access"] as? String {
-                
-                if let sharedDefaults = UserDefaults(suiteName: self.appGroupName) {
-                    sharedDefaults.set(accessToken, forKey: self.tokenKey)
-                    self.bearerToken = accessToken
-                }
+                completion(accessToken)
+            } else {
+                completion(nil)
             }
-
-            completion()
         }
 
         task.resume()