django-rest-auth/rest_auth/registration/serializers.py

74 lines
2.5 KiB
Python

from django.http import HttpRequest
from rest_framework import serializers
from requests.exceptions import HTTPError
from allauth.socialaccount.helpers import complete_social_login
class SocialLoginSerializer(serializers.Serializer):
access_token = serializers.CharField(required=True)
def validate(self, attrs):
view = self.context.get('view')
request = self.context.get('request')
if not isinstance(request, HttpRequest):
request = request._request
if not view:
raise serializers.ValidationError(
'View is not defined, pass it ' +
'as a context variable'
)
self.adapter_class = getattr(view, 'adapter_class', None)
if not self.adapter_class:
raise serializers.ValidationError('Define adapter_class in view')
self.adapter = self.adapter_class()
app = self.adapter.get_provider().get_app(request)
# More info on code vs access_token
# http://stackoverflow.com/questions/8666316/facebook-oauth-2-0-code-and-token
# We have the access_token straight
if('access_token' in attrs):
access_token = attrs.get('access_token')
# We did not get the access_token, but authorization code instead
elif('code' in attrs):
code = attrs.get('code')
callback_url = self.callback_url
provider = self.adapter.get_provider()
scope = provider.get_scope(request)
client = self.adapter_class(
request,
app.client_id,
app.secret,
self.adapter.access_token_method,
self.adapter.access_token_url,
callback_url,
scope
)
token = client.get_access_token(code)
access_token = token['access_token']
token = self.adapter.parse_token({'access_token': access_token})
token.app = app
try:
login = self.adapter.complete_login(request, app, token,
response=access_token)
token.account = login.account
login.token = token
complete_social_login(request, login)
except HTTPError:
raise serializers.ValidationError('Incorrect value')
if not login.is_existing:
login.lookup()
login.save(request, connect=True)
attrs['user'] = login.account.user
return attrs