django-oidc-provider/oidc_provider/lib/endpoints/token.py
2015-03-04 16:24:41 -03:00

102 lines
3 KiB
Python

import urllib
from django.http import JsonResponse
from oidc_provider.lib.errors import *
from oidc_provider.lib.utils.common import get_issuer
from oidc_provider.lib.utils.params import *
from oidc_provider.lib.utils.token import *
from oidc_provider.models import *
from oidc_provider import settings
class TokenEndpoint(object):
def __init__(self, request):
self.request = request
self.params = Params()
self._extract_params()
def _extract_params(self):
query_dict = self.request.POST
self.params.client_id = query_dict.get('client_id', '')
self.params.client_secret = query_dict.get('client_secret', '')
self.params.redirect_uri = urllib.unquote(
query_dict.get('redirect_uri', ''))
self.params.grant_type = query_dict.get('grant_type', '')
self.params.code = query_dict.get('code', '')
self.params.state = query_dict.get('state', '')
def validate_params(self):
if not (self.params.grant_type == 'authorization_code'):
raise TokenError('unsupported_grant_type')
try:
self.client = Client.objects.get(client_id=self.params.client_id)
if not (self.client.client_secret == self.params.client_secret):
raise TokenError('invalid_client')
if not (self.params.redirect_uri in self.client.redirect_uris):
raise TokenError('invalid_client')
self.code = Code.objects.get(code=self.params.code)
if not (self.code.client == self.client) and \
not self.code.has_expired():
raise TokenError('invalid_grant')
except Client.DoesNotExist:
raise TokenError('invalid_client')
except Code.DoesNotExist:
raise TokenError('invalid_grant')
def create_response_dic(self):
sub = settings.get('OIDC_IDTOKEN_SUB_GENERATOR')(
user=self.code.user)
id_token_dic = create_id_token(
iss=get_issuer(),
sub=sub,
aud=self.client.client_id,
auth_time=self.code.user.last_login)
token = create_token(
user=self.code.user,
client=self.code.client,
id_token_dic=id_token_dic,
scope=self.code.scope)
# Store the token.
token.save()
# We don't need to store the code anymore.
self.code.delete()
id_token = encode_id_token(id_token_dic, self.client.client_secret)
dic = {
'access_token': token.access_token,
'token_type': 'bearer',
'expires_in': settings.get('OIDC_TOKEN_EXPIRE'),
'id_token': id_token,
}
return dic
@classmethod
def response(cls, dic, status=200):
"""
Create and return a response object.
"""
response = JsonResponse(dic, status=status)
response['Cache-Control'] = 'no-store'
response['Pragma'] = 'no-cache'
return response