From 955da4d03eaa6785aef40a34f440a67d736a4793 Mon Sep 17 00:00:00 2001
From: Seth Michael Larson <sethmichaellarson@gmail.com>
Date: Tue, 22 Nov 2022 17:59:57 +0000
Subject: [PATCH] [1.26] Strip leading zeros from ports

Co-authored-by: Bastian Venthur <bastian.venthur@flixbus.com>
Co-authored-by: Hasan Ramezani <hasan.r67@gmail.com>

Conflict:NA
Reference:https://github.com/urllib3/urllib3/commit/955da4d03eaa6785aef40a34f440a67d736a4793
---
 src/urllib3/util/url.py | 2 +-
 test/test_util.py       | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/urllib3/util/url.py b/src/urllib3/util/url.py
index 81a03da..8964cef 100644
--- a/src/urllib3/util/url.py
+++ b/src/urllib3/util/url.py
@@ -63,7 +63,7 @@ IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT + "$")
 BRACELESS_IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT[2:-2] + "$")
 ZONE_ID_RE = re.compile("(" + ZONE_ID_PAT + r")\]$")
 
-_HOST_PORT_PAT = ("^(%s|%s|%s)(?::([0-9]{0,5}))?$") % (
+_HOST_PORT_PAT = ("^(%s|%s|%s)(?::0*([0-9]{0,5}))?$") % (
     REG_NAME_PAT,
     IPV4_PAT,
     IPV6_ADDRZ_PAT,
diff --git a/test/test_util.py b/test/test_util.py
index 562c106..f6c8b43 100644
--- a/test/test_util.py
+++ b/test/test_util.py
@@ -343,6 +343,10 @@ class TestUtil(object):
         with pytest.raises(LocationParseError):
             parse_url("https://www.google.com:-80/")
 
+    def test_parse_url_remove_leading_zeros(self):
+        url = parse_url("https://example.com:0000000000080")
+        assert url.port == 80
+
     def test_Url_str(self):
         U = Url("http", host="google.com")
         assert str(U) == U.url
-- 
2.27.0