django-oidc-provider/openid_provider/lib/endpoints/userinfo.py

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2015-01-08 20:55:24 +00:00
from django.http import HttpResponse, JsonResponse
from openid_provider.lib.errors import *
from openid_provider.lib.scopes import *
from openid_provider.lib.utils.params import *
from openid_provider.models import *
import re
class UserInfoEndpoint(object):
def __init__(self, request):
self.request = request
self.params = Params
self._extract_params()
def _extract_params(self):
# TODO: Maybe add other ways of passing access token
# http://tools.ietf.org/html/rfc6750#section-2
self.params.access_token = self._get_access_token()
def _get_access_token(self):
'''
Get the access token using Authorization Request Header Field method.
See: http://tools.ietf.org/html/rfc6750#section-2.1
Return a string.
'''
auth_header = self.request.META.get('HTTP_AUTHORIZATION', '')
if re.compile('^Bearer\s{1}.+$').match(auth_header):
access_token = auth_header.split()[1]
else:
access_token = ''
return access_token
def validate_params(self):
try:
self.token = Token.objects.get(access_token=self.params.access_token)
except Token.DoesNotExist:
raise UserInfoError('invalid_token')
def create_response_dic(self):
'''
Create a diccionary with all the requested claims about the End-User.
See: http://openid.net/specs/openid-connect-core-1_0.html#UserInfoResponse
Return a diccionary.
'''
dic = {
'sub': self.token.id_token.get('sub'),
}
standard_claims = StandardClaims(self.token.user, self.token.scope.split())
dic.update(standard_claims.create_response_dic())
return dic
@classmethod
def response(self, dic):
response = JsonResponse(dic, status=200)
response['Cache-Control'] = 'no-store'
response['Pragma'] = 'no-cache'
return response
@classmethod
def error_response(self, code, description, status):
response = HttpResponse(status=status)
response['WWW-Authenticate'] = 'error="{0}", error_description="{1}"'.format(code, description)
return response