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#
# Copyright (c) 2014 ThoughtWorks, Inc.
#
# Pixelated is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pixelated is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
import requests
if requests.__version__ == '2.0.0':
import requests.packages.urllib3.connectionpool
from socket import error as SocketError, timeout as SocketTimeout
from requests.packages.urllib3.packages.ssl_match_hostname import CertificateError, match_hostname
import socket
import ssl
from requests.packages.urllib3.exceptions import (
ClosedPoolError,
ConnectTimeoutError,
EmptyPoolError,
HostChangedError,
MaxRetryError,
SSLError,
ReadTimeoutError,
ProxyError,
)
from requests.packages.urllib3.util import (
assert_fingerprint,
get_host,
is_connection_dropped,
resolve_cert_reqs,
resolve_ssl_version,
ssl_wrap_socket,
Timeout,
)
def patched_connect(self):
# Add certificate verification
try:
sock = socket.create_connection(address=(self.host, self.port), timeout=self.timeout)
except SocketTimeout:
raise ConnectTimeoutError(self, "Connection to %s timed out. (connect timeout=%s)" % (self.host, self.timeout))
resolved_cert_reqs = resolve_cert_reqs(self.cert_reqs)
resolved_ssl_version = resolve_ssl_version(self.ssl_version)
if self._tunnel_host:
self.sock = sock
# Calls self._set_hostport(), so self.host is
# self._tunnel_host below.
self._tunnel()
# Wrap socket using verification with the root certs in
# trusted_root_certs
self.sock = ssl_wrap_socket(sock, self.key_file, self.cert_file,
cert_reqs=resolved_cert_reqs,
ca_certs=self.ca_certs,
server_hostname=self.host,
ssl_version=resolved_ssl_version)
if self.assert_fingerprint:
assert_fingerprint(self.sock.getpeercert(binary_form=True),
self.assert_fingerprint)
elif resolved_cert_reqs != ssl.CERT_NONE and self.assert_hostname is not False:
match_hostname(self.sock.getpeercert(),
self.assert_hostname or self.host)
requests.packages.urllib3.connectionpool.VerifiedHTTPSConnection.connect = patched_connect
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