MSN Live Connect backend

diff --git a/social_auth/backends/contrib/live.py b/social_auth/backends/contrib/live.py
new file mode 100644 (file)
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+++ b/social_auth/backends/contrib/live.py
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+"""
+MSN Live Connect oAuth 2.0
+
+Settings:
+LIVE_CLIENT_ID
+LIVE_CLIENT_SECRET
+LIVE_EXTENDED_PERMISSIONS (default: wl.basic, wl.emails)
+
+References:
+* oAuth  http://msdn.microsoft.com/en-us/library/live/hh243649.aspx
+* Scopes http://msdn.microsoft.com/en-us/library/live/hh243646.aspx
+* REST   http://msdn.microsoft.com/en-us/library/live/hh243648.aspx
+"""
+from urllib import urlencode, urlopen
+
+from django.utils import simplejson
+
+from social_auth.utils import setting
+from social_auth.backends import BaseOAuth2, OAuthBackend, USERNAME
+
+
+# Live Connect configuration
+LIVE_AUTHORIZATION_URL    = 'https://login.live.com/oauth20_authorize.srf'
+LIVE_ACCESS_TOKEN_URL     = 'https://login.live.com/oauth20_token.srf'
+LIVE_USER_DATA_URL        = 'https://apis.live.net/v5.0/me'
+LIVE_SERVER               = 'live.com'
+LIVE_EXTENDED_PERMISSIONS = ['wl.basic', 'wl.emails']
+
+
+class LiveBackend(OAuthBackend):
+    name = 'live'
+
+    EXTRA_DATA = [
+        ('id', 'id'),
+        ('expires', setting('SOCIAL_AUTH_EXPIRATION', 'expires')),
+        ('email', 'email'),
+        ('first_name', 'first_name'),
+        ('last_name', 'last_name'),
+    ]
+
+    def get_user_id(self, details, response):
+        return response['id']
+
+    def get_user_details(self, response):
+        """Return user details from Github account"""
+        try:
+            email = response['emails']['account']
+        except KeyError:
+            email = ''
+
+        return {USERNAME:     response.get('name'),
+                'email':      email,
+                'first_name': response.get('first_name'),
+                'last_name':  response.get('last_name')}
+
+
+class LiveAuth(BaseOAuth2):
+    AUTHORIZATION_URL    = LIVE_AUTHORIZATION_URL
+    ACCESS_TOKEN_URL     = LIVE_ACCESS_TOKEN_URL
+    SERVER_URL           = LIVE_SERVER
+    AUTH_BACKEND         = LiveBackend
+    SETTINGS_KEY_NAME    = 'LIVE_CLIENT_ID'
+    SETTINGS_SECRET_NAME = 'LIVE_CLIENT_SECRET'
+    SCOPE_SEPARATOR      = ','
+
+    def get_scope(self):
+        """Return list with needed access scope"""
+        return setting('LIVE_EXTENDED_PERMISSIONS', LIVE_EXTENDED_PERMISSIONS)
+
+    def user_data(self, access_token, *args, **kwargs):
+        """Loads user data from service"""
+        url = LIVE_USER_DATA_URL + '?' + urlencode({
+            'access_token': access_token
+        })
+        try:
+            return simplejson.load(urlopen(url))
+        except ValueError:
+            return None
+
+
+# Backend definition
+BACKENDS = {
+    'live': LiveAuth,
+}