diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/pip/_vendor/urllib3/util/proxy.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/pip/_vendor/urllib3/util/proxy.py | 57 |
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 |