#!/usr/bin/env python
import urllib2
import httplib
import ssl
import socket
import os
CERT_FILE = os.path.join(os.path.dirname(__file__), 'cacert.pem')
class ValidHTTPSConnection(httplib.HTTPConnection):
"This class allows communication via SSL."
default_port = httplib.HTTPS_PORT
def __init__(self, *args, **kwargs):
httplib.HTTPConnection.__init__(self, *args, **kwargs)
def connect(self):
"Connect to a host on a given (SSL) port."
sock = socket.create_connection((self.host, self.port),
self.timeout, self.source_address)
if self._tunnel_host:
self.sock = sock
self._tunnel()
self.sock = ssl.wrap_socket(sock,
ca_certs=CERT_FILE,
cert_reqs=ssl.CERT_REQUIRED)
class ValidHTTPSHandler(urllib2.HTTPSHandler):
def https_open(self, req):
return self.do_open(ValidHTTPSConnection, req)
opener = urllib2.build_opener(ValidHTTPSHandler)
def test_access(url):
print "Acessing", url
page = opener.open(url)
print page.info()
data = page.read()
print "First 100 bytes:", data[0:100]
print "Done accesing", url
print ""
# This should work
test_access("https://www.google.com")
# Accessing a page with a self signed certificate should not work
# At the time of writing, the following page uses a self signed certificate
test_access("https://tidia.ita.br/")
