def fb_register(request):
"""Return dictionary with signed request data."""
if request.method == 'GET':
return render_to_response('error.html')
signed_request = request.POST['signed_request']
try:
l = signed_request.split('.', 2)
encoded_sig = str(l[0])
payload = str(l[1])
except IndexError:
return render_to_response('error.html')
sig = base64.urlsafe_b64decode(encoded_sig + "=" * ((4 - len(encoded_sig) % 4) % 4))
data = base64.urlsafe_b64decode(payload + "=" * ((4 - len(payload) % 4) % 4))
data = json.loads(data)
if data.get('algorithm').upper() != 'HMAC-SHA256':
return render_to_response('error.html')
else:
expected_sig = hmac.new(settings.FACEBOOK_APP_SECRET, msg=payload, digestmod=hashlib.sha256).digest()
if sig != expected_sig:
return render_to_response('error.html')
else:
try:
user = Reg_User.objects.get(name=data['registration']['name'],email=data['registration']['email'])
return HttpResponseRedirect('//www.technex.in')
except:
user = Reg_User()
user.name = data['registration']['name']
user.contact = data['registration']['contact']
user.college = data['registration']['college']
user.gender = data['registration']['gender']
user.birthday = data['registration']['birthday']
user.location = data['registration']['location']['name']
user.email = data['registration']['email']
user.fb_ID = data['user_id']
user.save()
return HttpResponseRedirect('//www.technex.in')
