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"""M2Crypto enhancement to Python's urllib for handling
'https' url's.
Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved."""
import string, sys, urllib
from urllib import *
import SSL
import httpslib
DEFAULT_PROTOCOL='sslv23'
def open_https(self, url, data=None, ssl_context=None):
if ssl_context is not None and isinstance(ssl_context, SSL.Context):
self.ctx = ssl_context
else:
self.ctx = SSL.Context(DEFAULT_PROTOCOL)
user_passwd = None
if type(url) is type(""):
host, selector = splithost(url)
if host:
user_passwd, host = splituser(host)
host = unquote(host)
realhost = host
else:
host, selector = url
urltype, rest = splittype(selector)
url = rest
user_passwd = None
if string.lower(urltype) != 'http':
realhost = None
else:
realhost, rest = splithost(rest)
if realhost:
user_passwd, realhost = splituser(realhost)
if user_passwd:
selector = "%s://%s%s" % (urltype, realhost, rest)
#print "proxy via http:", host, selector
if not host: raise IOError, ('http error', 'no host given')
if user_passwd:
import base64
auth = string.strip(base64.encodestring(user_passwd))
else:
auth = None
# Start here!
h = httpslib.HTTPSConnection(host=host, ssl_context=self.ctx)
#h.set_debuglevel(1)
# Stop here!
if data is not None:
h.putrequest('POST', selector)
h.putheader('Content-type', 'application/x-www-form-urlencoded')
h.putheader('Content-length', '%d' % len(data))
else:
h.putrequest('GET', selector)
if auth: h.putheader('Authorization', 'Basic %s' % auth)
for args in self.addheaders: apply(h.putheader, args)
h.endheaders()
if data is not None:
h.send(data + '\r\n')
# Here again!
resp = h.getresponse()
fp = resp.fp
return urllib.addinfourl(fp, resp.msg, "https:" + url)
# Stop again.
# Minor brain surgery.
URLopener.open_https = open_https
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