From 1dd69c5c5982fae7c87a620d487c2ebf7a6b436b Mon Sep 17 00:00:00 2001
From: Seth Michael Larson <sethmichaellarson@gmail.com>
Date: Mon, 17 Feb 2020 15:34:48 -0600
Subject: [PATCH] Raise ValueError if method contains control characters
 (#1800)

---
 src/urllib3/connection.py                    | 14 ++++++++++++++

Modified for Mageia 7 by B. Cornec

diff --git a/src/pip/_vendor/urllib3/connection.py b/src/pip/_vendor/urllib3/connection.py
index 71e6790b1..f7b176093 100644
--- a/src/pip/_vendor/urllib3/connection.py
+++ b/src/pip/_vendor/urllib3/connection.py
@@ -1,4 +1,5 @@
 from __future__ import absolute_import
+import re
 import datetime
 import logging
 import os
@@ -63,6 +63,8 @@
 # after 2016-01-01 (today - 2 years) AND before 2017-07-01 (today - 6 months)
 RECENT_DATE = datetime.date(2017, 6, 30)
 
+_CONTAINS_CONTROL_CHAR_RE = re.compile(r"[^-!#$%&'*+.^_`|~0-9a-zA-Z]")
+
 
 class DummyConnection(object):
     """Used to detect a failed ConnectionCls import."""
@@ -186,6 +186,18 @@
         conn = self._new_conn()
         self._prepare_conn(conn)
 
+    def putrequest(self, method, url, *args, **kwargs):
+        """Send a request to the server"""
+        match = _CONTAINS_CONTROL_CHAR_RE.search(method)
+        if match:
+            raise ValueError(
+                "Method cannot contain non-token characters %r (found at least %r)"
+                % (method, match.group())
+            )
+
+        return _HTTPConnection.putrequest(self, method, url, *args, **kwargs)
+
+
     def request_chunked(self, method, url, body=None, headers=None):
         """
         Alternative to the common request method, which sends the