Added V2 OAuth2 dropbox Authentification

docs/backends/dropbox.rst

@@ -7,9 +7,28 @@ Dropbox supports both OAuth 1 and 2.
   instructions below for the version of OAuth for which you are adding
   support.
 
+
+OAuth2 Api V2
+------
+
+Add the Dropbox OAuth2 backend to your settings page::
+
+    SOCIAL_AUTH_AUTHENTICATION_BACKENDS = (
+        ...
+        'social.backends.dropbox.DropboxOAuth2V2',
+        ...
+    )
+
+- Fill ``App Key`` and ``App Secret`` values in the settings::
+
+      SOCIAL_AUTH_DROPBOX_OAUTH2_KEY = ''
+      SOCIAL_AUTH_DROPBOX_OAUTH2_SECRET = ''
+
 OAuth1
 ------
 
+.. deprecated:: V1 api is deprecated.
+https://blogs.dropbox.com/developers/2016/06/api-v1-deprecated/
 Add the Dropbox OAuth backend to your settings page::
 
     SOCIAL_AUTH_AUTHENTICATION_BACKENDS = (
@@ -26,6 +45,9 @@ Add the Dropbox OAuth backend to your settings page::
 OAuth2
 ------
 
+.. deprecated:: V1 api is deprecated.
+https://blogs.dropbox.com/developers/2016/06/api-v1-deprecated/
+
 Add the Dropbox OAuth2 backend to your settings page::
 
     SOCIAL_AUTH_AUTHENTICATION_BACKENDS = (

social/backends/dropbox.py

@@ -3,6 +3,7 @@
     http://psa.matiasaguirre.net/docs/backends/dropbox.html
 """
 from social.backends.oauth import BaseOAuth1, BaseOAuth2
+import warnings
 
 
 class DropboxOAuth(BaseOAuth1):
@@ -20,6 +21,12 @@ class DropboxOAuth(BaseOAuth1):
         ('expires', 'expires')
     ]
 
+    def __init__(self, *args, **kwargs):
+        warnings.warn(
+            'Dropbox V1 api is deprecated and will be shute down 2017-06-28 '
+            'https://blogs.dropbox.com/developers/2016/06/api-v1-deprecated/', DeprecationWarning, stacklevel=2)
+        super(DropboxOAuth, self).__init__(*args, **kwargs)
+
     def get_user_details(self, response):
         """Return user details from Dropbox account"""
         fullname, first_name, last_name = self.get_user_names(
@@ -48,6 +55,12 @@ class DropboxOAuth2(BaseOAuth2):
         ('uid', 'username'),
     ]
 
+    def __init__(self, *args, **kwargs):
+        warnings.warn(
+            'Dropbox V1 api is deprecated and will be shute down 2017-06-28 '
+            'https://blogs.dropbox.com/developers/2016/06/api-v1-deprecated/', DeprecationWarning, stacklevel=2)
+        super(DropboxOAuth2, self).__init__(*args, **kwargs)
+
     def get_user_details(self, response):
         """Return user details from Dropbox account"""
         fullname, first_name, last_name = self.get_user_names(
@@ -65,3 +78,28 @@ def user_data(self, access_token, *args, **kwargs):
             'https://api.dropbox.com/1/account/info',
             headers={'Authorization': 'Bearer {0}'.format(access_token)}
         )
+
+class DropboxOAuth2V2(BaseOAuth2):
+    name = 'dropbox-oauth2'
+    ID_KEY = 'uid'
+    AUTHORIZATION_URL = 'https://www.dropbox.com/oauth2/authorize'
+    ACCESS_TOKEN_URL = 'https://api.dropboxapi.com/oauth2/token'
+    ACCESS_TOKEN_METHOD = 'POST'
+    REDIRECT_STATE = False
+
+    def get_user_details(self, response):
+        """Return user details from Dropbox account"""
+        name = response.get('name')
+        return {'username': str(response.get('account_id')),
+                'email': response.get('email'),
+                'fullname': name.get('display_name'),
+                'first_name': name.get('given_name'),
+                'last_name': name.get('surname')}
+
+    def user_data(self, access_token, *args, **kwargs):
+        """Loads user data from service"""
+        return self.get_json(
+            'https://api.dropboxapi.com/2/users/get_current_account',
+            headers={'Authorization': 'Bearer {0}'.format(access_token)},
+            method='POST'
+        )