use requests for offline test

scripts/rotate.py

@@ -1,13 +1,17 @@
 #!/usr/bin/env python3
 import configparser
 import subprocess
+import requests
 import re
 import io
 
 def offline():
-    expr = re.compile("ips:[^()]+handshake")
-    proc = subprocess.run(["wg", "show", "vpn"], capture_output=True, encoding="utf-8")
-    return len(expr.findall(proc.stdout)) == 0
+    try:
+        requests.head("https://1.1.1.1", timeout=1)
+    except Exception:
+        return True
+    else:
+        return False
 
 def rotate_conf():
     iface = None