authosm/backend.py

   1 #
   2 #   Copyright 2018 EveryUP Srl
   3 #
   4 #   Licensed under the Apache License, Version 2.0 (the "License");
   5 #   you may not use this file except in compliance with the License.
   6 #   You may obtain a copy of the License at
   7 #
   8 #       http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 #   Unless required by applicable law or agreed to in writing, software
  11 #   distributed under the License is distributed on an  BASIS,
  12 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 #   See the License for the specific language governing permissions and
  14 #   limitations under the License.
  15 #
  16 from .models import OsmUser
  17 from lib.osm.osmclient.clientv2 import Client
  18
  19 class OsmBackend(object):
  20
  21     def authenticate(self, **kwargs):
  22         '''
  23         kwargs will receive the python dict that may contain
  24         {username, password, project-id}  to authenticate
  25         '''
  26         if all(k in kwargs for k in ('username', 'password', 'project_id')):
  27             username = kwargs['username']
  28             password = kwargs['password']
  29             project_id = kwargs['project_id']
  30
  31             client = Client()
  32             result = client.auth(kwargs)
  33             print "######"
  34             print result
  35
  36             if 'error' in result and result['error'] == True:
  37                 return None
  38             else:
  39
  40                 try:
  41                     user = OsmUser.objects.get(username=username)
  42
  43                 except OsmUser.DoesNotExist:
  44                     # Create a new user. There's no need to set a password
  45                     # we will keep just some preferences
  46                     user = OsmUser(username=username)
  47
  48                     user.save()
  49                 user.session = result['data']
  50                 return user
  51
  52         return None
  53
  54     def get_user(self, user_id):
  55         try:
  56             return OsmUser.objects.get(pk=user_id)
  57         except OsmUser.DoesNotExist:
  58             return None