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-rw-r--r--Lib/urllib/request.py14
1 files changed, 11 insertions, 3 deletions
diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
index 7878daa..1761e95 100644
--- a/Lib/urllib/request.py
+++ b/Lib/urllib/request.py
@@ -1990,9 +1990,17 @@ class URLopener:
if _have_ssl:
def _https_connection(self, host):
- return http.client.HTTPSConnection(host,
- key_file=self.key_file,
- cert_file=self.cert_file)
+ if self.key_file or self.cert_file:
+ http_version = http.client.HTTPSConnection._http_vsn
+ context = http.client._create_https_context(http_version)
+ context.load_cert_chain(self.cert_file, self.key_file)
+ # cert and key file means the user wants to authenticate.
+ # enable TLS 1.3 PHA implicitly even for custom contexts.
+ if context.post_handshake_auth is not None:
+ context.post_handshake_auth = True
+ else:
+ context = None
+ return http.client.HTTPSConnection(host, context=context)
def open_https(self, url, data=None):
"""Use HTTPS protocol."""