Use python to access a site with PKI security
I have a site that has PKI security enabled. Each client used either a card reader to load their certificate, or the certificate is installed in the IE certificate storage on their box.
So my question are:
- How can I use either the card reader certificate or the certificate stored on the system to verify the system?
- How do I pass the credentials onto the site to say, hey I'm me and I can access the service? They example can be using soft certificates. I can figure out the card reader part later.
I've been searching around, and I haven't come up with anything to help me in this situation. Django has a bunch of modules, but this isn't an option because I'm only concerned of the client side of things. I'm not creating a site to host the service. I need to just access these services.
I have this code working sort of. I just do not know how to handle the redirect I am getting:
import httplib
KEYFILE = r"C:\cert\my.key"
CERTFILE = r"c:\cert\my.pem"
HOSTNAME = 'machine.com'
conn = httplib.HTTPSConnection(
HOSTNAME,
key_file = KEYFILE,
cert_file = CERTFILE
)
conn.putrequest('GET', '/arcgis/sharing/rest?f=json')
conn.endheaders()
response = conn.getresponse()
print response.read()
The result of all of this is:
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>302 Found</title>
</head><body>
<h1>Found</h1>
<p>The document has moved <a href="https://machine.com/pki?https://machine.com/arcgis/sharing/rest%3f&f=json">here</a>.</p>
</body></html>
Any help provided would be great!
Software specs: python 2.7.8, Windows 2012 R2
Answer
I created a PKI handler to handle the requests so I can use it work urllib2 library.
import httplib, urllib2
class HTTPSClientAuthHandler(urllib2.HTTPSHandler):
def __init__(self, key, cert):
urllib2.HTTPSHandler.__init__(self)
self.key = key
self.cert = cert
def https_open(self, req):
#Rather than pass in a reference to a connection class, we pass in
# a reference to a function which, for all intents and purposes,
# will behave as a constructor
return self.do_open(self.getConnection, req)
def getConnection(self, host, timeout=300):
return httplib.HTTPSConnection(host,
key_file=self.key,
cert_file=self.cert,
timeout=timeout)
To use this, you will need to use a cookiejar with the handler.
from cookielib import CookieJar
cookiejar = CookieJay()
handlers = []
handlers.append(HTTPSClientAuthHandler(somekey, somecert))
handlers.append(urllib2.HTTPCookieProcessor(cookiejar))
opener = urllib2.build_opener(*handlers)
... do other urllib2 calls ....
Hope this helps everyone!