Check for internet before attempting to download APK

mobsf/MobSF/views/home.py

@@ -26,6 +26,7 @@
     get_md5,
     is_dir_exists,
     is_file_exists,
+    is_internet_available,
     is_md5,
     is_safe_path,
     key,
@@ -318,7 +319,9 @@ def recent_scans(request, page_size=10, page_number=1):
 @login_required
 @permission_required(Permissions.SCAN)
 def download_apk(request):
-    """Download and APK by package name."""
+    """Download an APK by package name."""
+    if not is_internet_available():
+        return logger.warning(request, 'Internet Not Available. Unable to download APK')
     package = request.POST['package']
     # Package validated in apk_download()
     context = {