projects.mako.cc - twitter-api-cdsw/blob - oauthlib/oauth2/rfc6749/grant_types/base.py

   1 # -*- coding: utf-8 -*-
   2 """
   3 oauthlib.oauth2.rfc6749.grant_types
   4 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   5 """
   6 from __future__ import unicode_literals, absolute_import
   7
   8 import logging
   9
  10 from oauthlib.oauth2.rfc6749 import errors, utils
  11
  12 log = logging.getLogger(__name__)
  13
  14
  15 class GrantTypeBase(object):
  16     error_uri = None
  17     request_validator = None
  18
  19     def create_authorization_response(self, request, token_handler):
  20         raise NotImplementedError('Subclasses must implement this method.')
  21
  22     def create_token_response(self, request, token_handler):
  23         raise NotImplementedError('Subclasses must implement this method.')
  24
  25     def validate_grant_type(self, request):
  26         client_id = getattr(request, 'client_id', None)
  27         if not self.request_validator.validate_grant_type(client_id,
  28                                                           request.grant_type, request.client, request):
  29             log.debug('Unauthorized from %r (%r) access to grant type %s.',
  30                       request.client_id, request.client, request.grant_type)
  31             raise errors.UnauthorizedClientError(request=request)
  32
  33     def validate_scopes(self, request):
  34         if not request.scopes:
  35             request.scopes = utils.scope_to_list(request.scope) or utils.scope_to_list(
  36                 self.request_validator.get_default_scopes(request.client_id, request))
  37         log.debug('Validating access to scopes %r for client %r (%r).',
  38                   request.scopes, request.client_id, request.client)
  39         if not self.request_validator.validate_scopes(request.client_id,
  40                                                       request.scopes, request.client, request):
  41             raise errors.InvalidScopeError(request=request)