Update urllib3 2.0.5 (d9f85a7) → 2.0.7 (56f01e0).

CHANGES.md

@@ -8,6 +8,7 @@
 * Update Rarfile 4.1a1 (8a72967) to 4.1 (c9140d8)
 * Update soupsieve 2.4.1 (2e66beb) to 2.5.0 (dc71495)
 * Update thefuzz 0.19.0 (c2cd4f4) to 0.21.0 (0b49e4a)
+* Update urllib3 2.0.5 (d9f85a7) to 2.0.7 (56f01e0)
 * Add support for Brotli compression
 
 

lib/urllib3/_collections.py

@@ -8,7 +8,7 @@ from threading import RLock
 if typing.TYPE_CHECKING:
     # We can only import Protocol if TYPE_CHECKING because it's a development
     # dependency, and is not available at runtime.
-    from typing_extensions import Protocol
+    from typing_extensions import Protocol, Self
 
     class HasGettableStringKeys(Protocol):
         def keys(self) -> typing.Iterator[str]:
@@ -391,6 +391,24 @@ class HTTPHeaderDict(typing.MutableMapping[str, str]):
             # meets our external interface requirement of `Union[List[str], _DT]`.
             return vals[1:]
 
+    def _prepare_for_method_change(self) -> Self:
+        """
+        Remove content-specific header fields before changing the request
+        method to GET or HEAD according to RFC 9110, Section 15.4.
+        """
+        content_specific_headers = [
+            "Content-Encoding",
+            "Content-Language",
+            "Content-Location",
+            "Content-Type",
+            "Content-Length",
+            "Digest",
+            "Last-Modified",
+        ]
+        for header in content_specific_headers:
+            self.discard(header)
+        return self
+
     # Backwards compatibility for httplib
     getheaders = getlist
     getallmatchingheaders = getlist

lib/urllib3/_version.py

@@ -1,4 +1,4 @@
 # This file is protected via CODEOWNERS
 from __future__ import annotations
 
-__version__ = "2.0.5"
+__version__ = "2.0.7"

lib/urllib3/connectionpool.py

@@ -11,6 +11,7 @@ from socket import timeout as SocketTimeout
 from types import TracebackType
 
 from ._base_connection import _TYPE_BODY
+from ._collections import HTTPHeaderDict
 from ._request_methods import RequestMethods
 from .connection import (
     BaseSSLError,
@@ -893,7 +894,11 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
         redirect_location = redirect and response.get_redirect_location()
         if redirect_location:
             if response.status == 303:
+                # Change the method according to RFC 9110, Section 15.4.4.
                 method = "GET"
+                # And lose the body not to transfer anything sensitive.
+                body = None
+                headers = HTTPHeaderDict(headers)._prepare_for_method_change()
 
             try:
                 retries = retries.increment(method, url, response=response, _pool=self)

lib/urllib3/poolmanager.py

@@ -7,7 +7,7 @@ import warnings
 from types import TracebackType
 from urllib.parse import urljoin
 
-from ._collections import RecentlyUsedContainer
+from ._collections import HTTPHeaderDict, RecentlyUsedContainer
 from ._request_methods import RequestMethods
 from .connection import ProxyConfig
 from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool, port_by_scheme
@@ -449,9 +449,12 @@ class PoolManager(RequestMethods):
         # Support relative URLs for redirecting.
         redirect_location = urljoin(url, redirect_location)
 
-        # RFC 7231, Section 6.4.4
         if response.status == 303:
+            # Change the method according to RFC 9110, Section 15.4.4.
             method = "GET"
+            # And lose the body not to transfer anything sensitive.
+            kw["body"] = None
+            kw["headers"] = HTTPHeaderDict(kw["headers"])._prepare_for_method_change()
 
         retries = kw.get("retries")
         if not isinstance(retries, Retry):

lib/urllib3/util/retry.py

@@ -187,7 +187,7 @@ class Retry:
     RETRY_AFTER_STATUS_CODES = frozenset([413, 429, 503])
 
     #: Default headers to be used for ``remove_headers_on_redirect``
-    DEFAULT_REMOVE_HEADERS_ON_REDIRECT = frozenset(["Authorization"])
+    DEFAULT_REMOVE_HEADERS_ON_REDIRECT = frozenset(["Cookie", "Authorization"])
 
     #: Default maximum backoff time.
     DEFAULT_BACKOFF_MAX = 120

lib/urllib3/util/ssl_.py

@@ -411,8 +411,10 @@ def ssl_wrap_socket(
     tls_in_tls: bool = False,
 ) -> ssl.SSLSocket | SSLTransportType:
     """
-    All arguments except for server_hostname, ssl_context, and ca_cert_dir have
-    the same meaning as they do when using :func:`ssl.wrap_socket`.
+    All arguments except for server_hostname, ssl_context, tls_in_tls, ca_cert_data and
+    ca_cert_dir have the same meaning as they do when using
+    :func:`ssl.create_default_context`, :meth:`ssl.SSLContext.load_cert_chain`,
+    :meth:`ssl.SSLContext.set_ciphers` and :meth:`ssl.SSLContext.wrap_socket`.
 
     :param server_hostname:
         When SNI is supported, the expected hostname of the certificate