1 # -*- coding: utf-8 -*-
3 oauthlib.oauth2.rfc6749
4 ~~~~~~~~~~~~~~~~~~~~~~~
6 This module is an implementation of various logic needed
7 for consuming and providing OAuth 2.0 RFC6749.
9 from __future__ import absolute_import, unicode_literals
11 from .base import Client
12 from ..parameters import prepare_token_request
13 from ..parameters import parse_token_response
16 class LegacyApplicationClient(Client):
18 """A public client using the resource owner password and username directly.
20 The resource owner password credentials grant type is suitable in
21 cases where the resource owner has a trust relationship with the
22 client, such as the device operating system or a highly privileged
23 application. The authorization server should take special care when
24 enabling this grant type, and only allow it when other flows are not
27 The grant type is suitable for clients capable of obtaining the
28 resource owner's credentials (username and password, typically using
29 an interactive form). It is also used to migrate existing clients
30 using direct authentication schemes such as HTTP Basic or Digest
31 authentication to OAuth by converting the stored credentials to an
34 The method through which the client obtains the resource owner
35 credentials is beyond the scope of this specification. The client
36 MUST discard the credentials once an access token has been obtained.
39 def __init__(self, client_id, **kwargs):
40 super(LegacyApplicationClient, self).__init__(client_id, **kwargs)
42 def prepare_request_body(self, username, password, body='', scope=None, **kwargs):
43 """Add the resource owner password and username to the request body.
45 The client makes a request to the token endpoint by adding the
46 following parameters using the "application/x-www-form-urlencoded"
47 format per `Appendix B`_ in the HTTP request entity-body:
49 :param username: The resource owner username.
50 :param password: The resource owner password.
51 :param scope: The scope of the access request as described by
53 :param kwargs: Extra credentials to include in the token request.
55 If the client type is confidential or the client was issued client
56 credentials (or assigned other authentication requirements), the
57 client MUST authenticate with the authorization server as described
60 The prepared body will include all provided credentials as well as
61 the ``grant_type`` parameter set to ``password``::
63 >>> from oauthlib.oauth2 import LegacyApplicationClient
64 >>> client = LegacyApplicationClient('your_id')
65 >>> client.prepare_request_body(username='foo', password='bar', scope=['hello', 'world'])
66 'grant_type=password&username=foo&scope=hello+world&password=bar'
68 .. _`Appendix B`: http://tools.ietf.org/html/rfc6749#appendix-B
69 .. _`Section 3.3`: http://tools.ietf.org/html/rfc6749#section-3.3
70 .. _`Section 3.2.1`: http://tools.ietf.org/html/rfc6749#section-3.2.1
72 return prepare_token_request('password', body=body, username=username,
73 password=password, scope=scope, **kwargs)