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-rw-r--r--.venv/lib/python3.12/site-packages/pip/_vendor/urllib3/util/proxy.py57
1 files changed, 57 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/urllib3/util/proxy.py b/.venv/lib/python3.12/site-packages/pip/_vendor/urllib3/util/proxy.py
new file mode 100644
index 00000000..2199cc7b
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/urllib3/util/proxy.py
@@ -0,0 +1,57 @@
+from .ssl_ import create_urllib3_context, resolve_cert_reqs, resolve_ssl_version
+
+
+def connection_requires_http_tunnel(
+ proxy_url=None, proxy_config=None, destination_scheme=None
+):
+ """
+ Returns True if the connection requires an HTTP CONNECT through the proxy.
+
+ :param URL proxy_url:
+ URL of the proxy.
+ :param ProxyConfig proxy_config:
+ Proxy configuration from poolmanager.py
+ :param str destination_scheme:
+ The scheme of the destination. (i.e https, http, etc)
+ """
+ # If we're not using a proxy, no way to use a tunnel.
+ if proxy_url is None:
+ return False
+
+ # HTTP destinations never require tunneling, we always forward.
+ if destination_scheme == "http":
+ return False
+
+ # Support for forwarding with HTTPS proxies and HTTPS destinations.
+ if (
+ proxy_url.scheme == "https"
+ and proxy_config
+ and proxy_config.use_forwarding_for_https
+ ):
+ return False
+
+ # Otherwise always use a tunnel.
+ return True
+
+
+def create_proxy_ssl_context(
+ ssl_version, cert_reqs, ca_certs=None, ca_cert_dir=None, ca_cert_data=None
+):
+ """
+ Generates a default proxy ssl context if one hasn't been provided by the
+ user.
+ """
+ ssl_context = create_urllib3_context(
+ ssl_version=resolve_ssl_version(ssl_version),
+ cert_reqs=resolve_cert_reqs(cert_reqs),
+ )
+
+ if (
+ not ca_certs
+ and not ca_cert_dir
+ and not ca_cert_data
+ and hasattr(ssl_context, "load_default_certs")
+ ):
+ ssl_context.load_default_certs()
+
+ return ssl_context