Freshdesk SSO remote login django view sample script

FreshdeskSSO.py

# Create your views here.
from django.shortcuts import render,redirect
from django.contrib.auth import authenticate
from datetime import datetime
import hmac


def ticket_login(request):
    if request.method == 'GET':
	return render(request, 'ticketing/login.html')

    elif request.method == 'POST':
	res = request.POST
	
        #Fetch username password from remote login page and Check authenticity
	user = authenticate(username=res['user'], password=res['pwd'])
		
	if user:
		#Prepare a hmac hasher with your secret shared key
		digest_maker = hmac.new('68429c66b55eea0e70123xxxxxxxxx')
			
		# Redirection URL. Fill elements later
		url = "http://nest.freshdesk.com/login/sso?name={0}&email={1}&timestamp={2}&hash={3}"
		#Update hasher with username,email and UTC timestamp
		digest_maker.update(user.username)
		digest_maker.update(user.email)

		#Calculating epoch in seconds Ex:1424237345.831716 seconds

		td = datetime.utcnow()-datetime(1970,1,1)
		ts = str(int(td.total_seconds()))
		digest_maker.update(ts)

		#Caluclate hexdigest of hash
		digest = digest_maker.hexdigest()

		#Rediect to login page of your freshdesk account
		return  redirect(url.format(user.username,user.email,ts,digest))
	else:
		return redirect(ticket_login)