added douban oauth support

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