FreeIPA web call from Python

freeipa.py

import kerberos
import sys
import os
from requests.auth import AuthBase
import requests
import json

class IPAAuth(AuthBase):
    def __init__(self, hostname, keytab):
        self.hostname = hostname
        self.keytab = keytab
        self.token = None

        self.refresh_auth()

    def __call__(self, request):
        if not self.token:
            self.refresh_auth()

        request.headers['Authorization'] = 'negotiate ' + self.token

        return request

    def refresh_auth(self):
        if self.keytab:
            os.environ['KRB5_CLIENT_KTNAME'] = self.keytab
        else:
            LOG.warn('No IPA client kerberos keytab file given')
        service = "HTTP@" + self.hostname
        flags = kerberos.GSS_C_MUTUAL_FLAG | kerberos.GSS_C_SEQUENCE_FLAG
        try:
            (_, vc) = kerberos.authGSSClientInit(service, flags)
        except kerberos.GSSError, e:
            LOG.error("caught kerberos exception %r" % e)
            raise e
        try:
            kerberos.authGSSClientStep(vc, "")
        except kerberos.GSSError, e:
            LOG.error("caught kerberos exception %r" % e)
            raise e
        self.token = kerberos.authGSSClientResponse(vc)


hostname, url, keytab, cacert = sys.argv[1:]

request = requests.Session()
request.auth = IPAAuth(hostname, keytab)
ipaurl = 'https://%s/ipa' % hostname
jsonurl = url % {'hostname': hostname}
request.headers.update({'Content-Type': 'application/json',
                        'Referer': ipaurl})
request.verify = cacert

myargs = {'method': 'dnsrecord_add',
          'params': [["testdomain.com", "test4.testdomain.com"],
                     {'a_part_ip_address': '172.31.11.4'}],
          'id': 0}
resp = request.post(jsonurl, data=json.dumps(myargs))
print resp.json()

myargs = {'method': 'dnsrecord_find', 'params': [["testdomain.com"], {}], 'id': 0}
resp = request.post(jsonurl, data=json.dumps(myargs))
print resp.json()

https://insinuator.net/2016/02/how-to-test-kerberos-authenticated-web-applications/