Conditionally create the CustomHTTPSConnection class only if we have the required baseclasses.

Fixes #11918
This commit is contained in:
Toshio Kuratomi 2015-12-16 07:38:51 -08:00
parent 8e2cb2abb2
commit 897569c1ca

View file

@ -310,42 +310,45 @@ class NoSSLError(SSLValidationError):
"""Needed to connect to an HTTPS url but no ssl library available to verify the certificate"""
pass
# Some environments (Google Compute Engine's CoreOS deploys) do not compile
# against openssl and thus do not have any HTTPS support.
CustomHTTPSConnection = CustomHTTPSHandler = None
if hasattr(httplib, 'HTTPSConnection') and hasattr(urllib2, 'HTTPSHandler'):
class CustomHTTPSConnection(httplib.HTTPSConnection):
def __init__(self, *args, **kwargs):
httplib.HTTPSConnection.__init__(self, *args, **kwargs)
if HAS_SSLCONTEXT:
self.context = create_default_context()
if self.cert_file:
self.context.load_cert_chain(self.cert_file, self.key_file)
class CustomHTTPSConnection(httplib.HTTPSConnection):
def __init__(self, *args, **kwargs):
httplib.HTTPSConnection.__init__(self, *args, **kwargs)
if HAS_SSLCONTEXT:
self.context = create_default_context()
if self.cert_file:
self.context.load_cert_chain(self.cert_file, self.key_file)
def connect(self):
"Connect to a host on a given (SSL) port."
def connect(self):
"Connect to a host on a given (SSL) port."
if hasattr(self, 'source_address'):
sock = socket.create_connection((self.host, self.port), self.timeout, self.source_address)
else:
sock = socket.create_connection((self.host, self.port), self.timeout)
if hasattr(self, 'source_address'):
sock = socket.create_connection((self.host, self.port), self.timeout, self.source_address)
else:
sock = socket.create_connection((self.host, self.port), self.timeout)
server_hostname = self.host
# Note: self._tunnel_host is not available on py < 2.6 but this code
# isn't used on py < 2.6 (lack of create_connection)
if self._tunnel_host:
self.sock = sock
self._tunnel()
server_hostname = self._tunnel_host
server_hostname = self.host
# Note: self._tunnel_host is not available on py < 2.6 but this code
# isn't used on py < 2.6 (lack of create_connection)
if self._tunnel_host:
self.sock = sock
self._tunnel()
server_hostname = self._tunnel_host
if HAS_SSLCONTEXT:
self.sock = self.context.wrap_socket(sock, server_hostname=server_hostname)
else:
self.sock = ssl.wrap_socket(sock, keyfile=self.key_file, certfile=self.cert_file, ssl_version=PROTOCOL)
if HAS_SSLCONTEXT:
self.sock = self.context.wrap_socket(sock, server_hostname=server_hostname)
else:
self.sock = ssl.wrap_socket(sock, keyfile=self.key_file, certfile=self.cert_file, ssl_version=PROTOCOL)
class CustomHTTPSHandler(urllib2.HTTPSHandler):
class CustomHTTPSHandler(urllib2.HTTPSHandler):
def https_open(self, req):
return self.do_open(CustomHTTPSConnection, req)
def https_open(self, req):
return self.do_open(CustomHTTPSConnection, req)
https_request = urllib2.AbstractHTTPHandler.do_request_
https_request = urllib2.AbstractHTTPHandler.do_request_
def generic_urlparse(parts):
'''
@ -673,8 +676,9 @@ def open_url(url, data=None, headers=None, method=None, use_proxy=True,
handlers.append(proxyhandler)
# pre-2.6 versions of python cannot use the custom https
# handler, since the socket class is lacking this method
if hasattr(socket, 'create_connection'):
# handler, since the socket class is lacking create_connection.
# Some python builds lack HTTPS support.
if hasattr(socket, 'create_connection') and CustomHTTPSHandler:
handlers.append(CustomHTTPSHandler)
opener = urllib2.build_opener(*handlers)