Python中HTTPS连接

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curl -1 https://xxx.com

curl -2 https://xxx.com

curl -3 https://xxx.com

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class MyAdapter(HTTPAdapter):

    def init_poolmanager(self, connections, maxsize):

        self.poolmanager = PoolManager(num_pools=connections,

            maxsize=maxsize,

            ssl_version=ssl.PROTOCOL_SSLv3)

s = requests.Session()

s.mount(‘https://‘, MyAdapter())#所有的https连接都用ssl.PROTOCOL_SSLV3去连接

s.get(‘https://xxx.com‘)

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# custom HTTPS opener, banner‘s oracle 10g server supports SSLv3 only

import httplib, ssl, urllib2, socket

class HTTPSConnectionV3(httplib.HTTPSConnection):

    def __init__(self, *args, **kwargs):

        httplib.HTTPSConnection.__init__(self, *args, **kwargs)

    def connect(self):

        sock = socket.create_connection((self.host, self.port), self.timeout)

        if self._tunnel_host:

            self.sock = sock

            self._tunnel()

        try:

            self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, ssl_version=ssl.PROTOCOL_SSLv3)

        except ssl.SSLError, e:

            print("Trying SSLv3.")

            self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, ssl_version=ssl.PROTOCOL_SSLv23)

class HTTPSHandlerV3(urllib2.HTTPSHandler):

    def https_open(self, req):

        return self.do_open(HTTPSConnectionV3, req)

# install opener

urllib2.install_opener(urllib2.build_opener(HTTPSHandlerV3()))

if __name__ == "__main__":

    r = urllib2.urlopen("https://ui2web1.apps.uillinois.edu/BANPROD1/bwskfcls.P_GetCrse")

    print(r.read())