From c392589d6be5b8334e20f1d344cc60d58d6f9dfe Mon Sep 17 00:00:00 2001
From: Sean Lee <iseansay@gmail.com>
Date: Thu, 7 Jun 2012 13:23:59 +0800
Subject: [PATCH] added douban oauth support

---
 social_auth/backends/contrib/douban.py | 72 ++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 social_auth/backends/contrib/douban.py

diff --git a/social_auth/backends/contrib/douban.py b/social_auth/backends/contrib/douban.py
new file mode 100644
index 0000000..2be91cb
--- /dev/null
+++ b/social_auth/backends/contrib/douban.py
@@ -0,0 +1,72 @@
+"""
+Douban OAuth support.
+
+This adds support for Douban OAuth service. An application must
+be registered first on douban.com and the settings DOUBAN_CONSUMER_KEY
+and DOUBAN_CONSUMER_SECRET must be defined with they corresponding
+values.
+
+By default account id is stored in extra_data field, check OAuthBackend
+class for details on how to extend it.
+"""
+from django.utils import simplejson
+
+from social_auth.backends import ConsumerBasedOAuth, OAuthBackend, USERNAME
+from social_auth.backends.exceptions import AuthCanceled
+
+
+DOUBAN_SERVER = 'www.douban.com'
+DOUBAN_REQUEST_TOKEN_URL = 'http://%s/service/auth/request_token' % DOUBAN_SERVER
+DOUBAN_ACCESS_TOKEN_URL = 'http://%s/service/auth/access_token' % DOUBAN_SERVER
+
+DOUBAN_AUTHORIZATION_URL = 'http://%s/service/auth/authorize' % DOUBAN_SERVER
+
+
+class DoubanBackend(OAuthBackend):
+    """Douban OAuth authentication backend"""
+    name = 'douban'
+    EXTRA_DATA = [('id', 'id')]
+    
+    def get_user_id(self, details, response):
+        return response['db:uid']['$t']
+    
+    def get_user_details(self, response):
+        """Return user details from Douban"""
+        return {USERNAME: response["db:uid"]["$t"],
+                'email': ''}
+
+
+class DoubanAuth(ConsumerBasedOAuth):
+    """Douban OAuth authentication mechanism"""
+    AUTHORIZATION_URL = DOUBAN_AUTHORIZATION_URL
+    REQUEST_TOKEN_URL = DOUBAN_REQUEST_TOKEN_URL
+    ACCESS_TOKEN_URL = DOUBAN_ACCESS_TOKEN_URL
+    SERVER_URL = DOUBAN_SERVER
+    AUTH_BACKEND = DoubanBackend
+    SETTINGS_KEY_NAME = 'DOUBAN_CONSUMER_KEY'
+    SETTINGS_SECRET_NAME = 'DOUBAN_CONSUMER_SECRET'
+
+    def user_data(self, access_token, *args, **kwargs):
+        """Return user data provided"""
+        url = 'http://api.douban.com/people/%40me?&alt=json'
+        request = self.oauth_request(access_token, url)
+        json = self.fetch_response(request)
+    
+        try:
+            return simplejson.loads(json)
+        except ValueError:
+            return None
+
+    def auth_complete(self, *args, **kwargs):
+        """Completes login process, must return user instance"""
+        print dir(self)
+        if 'denied' in self.data:
+            raise AuthCanceled(self)
+        else:
+            return super(DoubanAuth, self).auth_complete(*args, **kwargs)
+
+
+# Backend definition
+BACKENDS = {
+    'douban': DoubanAuth,
+}
-- 
2.39.5