duo_api.py

#!/usr/bin/python
from requests import Request, Session, post,get
import base64, email, hmac, hashlib, urllib


integration_key = ""
host = ""
secret = ""



def sign(method, host, path, params, skey, ikey):
    """
    Return HTTP Basic Authentication ("Authorization" and "Date") headers.
    method, host, path: strings from request
    params: dict of request parameters
    skey: secret key
    ikey: integration key
    """

    # create canonical string
    now = email.Utils.formatdate()
    canon = [now, method.upper(), host.lower(), path]
    args = []
    for key in sorted(params.keys()):
        val = params[key]
        if isinstance(val, unicode):
            val = val.encode("utf-8")
        args.append(
            '%s=%s' % (urllib.quote(key, '~'), urllib.quote(val, '~')))
    canon.append('&'.join(args))
    canon = '\n'.join(canon)

    # sign canonical string
    sig = hmac.new(skey, canon, hashlib.sha1)
    auth = '%s:%s' % (ikey, sig.hexdigest())

    # return headers
    return {'Date': now, 'Authorization': 'Basic %s' % base64.b64encode(auth)}



path = "/auth/v2/check"
params = {"device" : "auto", "factor" : "push", "username" : "exchizz"}

# GET with AUTH
signature = sign("get", host, path, params, secret, integration_key)
headers = {'Authorization':signature['Authorization'], 'Date': signature['Date'], 'Host' : host }
params = urllib.urlencode(params)
resp = get('https://' + host + path + "?" + params, headers = headers).text
print resp

# POST with AUTH
params = {"device" : "auto", "factor" : "push", "username" : "exchizz"}
path = "/auth/v2/auth"
signature = sign("POST", host, path, params, secret, integration_key)

headers = {'Authorization':signature['Authorization'], 'Date': signature['Date'], 'Host' : host }
req = Request('POST', 'https://' + host + path, headers=headers)
prepped = req.prepare()

# do something with prepped.body
prepped.body = urllib.urlencode(params,doseq=True)

# do something with prepped.headers
prepped.headers['Content-Type'] = "application/x-www-form-urlencoded"
prepped.headers['Content-length'] = len(prepped.body)

s = Session()
resp = s.send(prepped).text
print resp