A few days back I have to write an API to register a user using Facebook and Google social auth. The task was simple I will get facebook or google access_token in request and then I will use that to get User information from facebook and store it in the Database and also create auth_token using Django rest framework and return it in response so client-side can use this token for subsequent calls.
The application was using Django-social-auth for its web version already to give users the ability to register using Facebook and Google. The application was also using django-rest-framework version 2.4 for writing REST APIs.
Table of Contents
Django Social Auth Integration With Django Rest Framework
The challenge was to use the same code for social authentication REST API. I searched this problem to see if there is already a solution available. I did not found the exact thing I was searching but this post Social Auth With Django Rest Framework helped me a lot. This post is using python-social-auth instead of django-social-auth and also using the django-rest-framework 3.0.
Assumptions:
I am assuming that you also have django-social-auth setup at web application level.
You have atleast beginner’s level Django knowledge and basic knowledge of Django Rest Framework.
urls.py
from django.conf.urls import patterns, include, url
urlpatterns += patterns('',url(r'^social-auth/$', SocialSignUp.as_view({"post": "create", "get": "list"}),
name='api-social-auth-register'),)
Views.py
from django.contrib.auth import User
from social_auth.backends.google import GOOGLEAPIS_PROFILE, googleapis_profile
from rest_framework import status, mixins
from rest_framework import viewsets
from rest_framework.response import Response
from rest_framework.permissions import AllowAny
from rest_framework.throttling import AnonRateThrottle
from social_auth.backends import get_backend
from .serializers import UserRegisterSerializer
class SocialSignUp(mixins.CreateModelMixin, mixins.ListModelMixin, viewsets.GenericViewSet):
"""
Social Authentication API.
"""
permission_classes = (AllowAny,)
throttle_classes = (AnonRateThrottle, )
def create(self, request, *args, **kwargs):
"""
Create user using information from social channels like, facebook and google.
---
parameters:
- name: provider
description: provider can be Facebook or google-oauth2
required: true
type: string
paramType: form
- name: access_token
description: Access Token which we will use to fetch the user's detail.
required: true
type: string
paramType: form
parameters_strategy: replace
"""
redirect = request.path
try:</pre>
provider = request.DATA['provider'] access_token = request.DATA['access_token']
except KeyError:
return Response({'success': False, 'detail': "'provider' and 'access_token' are required parameters"},
status=status.HTTP_400_BAD_REQUEST)
backend = get_backend(provider, request, redirect)
request.social_auth_backend = backend
if access_token:
try:
if provider == "google-oauth2":
test_response = googleapis_profile(GOOGLEAPIS_PROFILE, access_token)
if test_response is None:
return Response({'success': False, 'detail': "bad access_token"}, status=status.HTTP_400_BAD_REQUEST)
user = backend.do_auth(access_token, expires=None, *args, **kwargs)
my_user = User.objects.get(user=user)
user_serializer = UserRegisterSerializer(my_user)
return Response({'success': True, 'detail': user_serializer.data})
except Exception as e:
return Response({'success': False, 'detail': e},
status=status.HTTP_400_BAD_REQUEST)
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serializers.py
from django.contrib.auth import User
from rest_framework import serializers
from rest_framework.authtoken.models import Token
class UserRegisterSerializer(serializers.ModelSerializer):
token = serializers.SerializerMethodField('get_user_token')
def get_user_token(self, obj):
token, created = Token.objects.get_or_create(user=obj.user)
return token.key
class Meta:
model = User