fix: URL encode proxy credentials (#213)

* URL encode proxy credentials

* style: pre-commit

---------

Co-authored-by: Glauche, Daniel <daniel.glauche@sva.de>
Co-authored-by: Artem Rys <rysartem@gmail.com>

splunktaucclib/modinput_wrapper/base_modinput.py

@@ -20,6 +20,7 @@
 import os
 import sys
 import tempfile
+import urllib
 
 from solnlib import utils as sutils
 from solnlib.log import Logs
@@ -513,6 +514,13 @@ def _get_proxy_uri(self):
             if proxy.get("proxy_port"):
                 uri = "{}:{}".format(uri, proxy.get("proxy_port"))
             if proxy.get("proxy_username") and proxy.get("proxy_password"):
+                proxy["proxy_username"] = urllib.parse.quote_plus(
+                    proxy["proxy_username"]
+                )
+                proxy["proxy_password"] = urllib.parse.quote_plus(
+                    proxy["proxy_password"]
+                )
+
                 uri = "{}://{}:{}@{}/".format(
                     proxy["proxy_type"],
                     proxy["proxy_username"],