def _get_refresh_token(self):
"""
Generate an access token after refresh authorization.
"""
access_token = AccessTokenDAO.get_token_by_refresh(self.refresh_token)
access_token = AccessTokenDAO.update(access_token.id)
return access_token
def _validate_refresh_token(self):
"""
Validate a refresh token request.
"""
if not self.refresh_token:
raise InvalidRequest('未设置参数：refresh_token')
self.access_token = AccessTokenDAO.get_token_by_refresh(self.refresh_token)
if not self.access_token:
raise InvalidRequest('No such refresh token: %s' % self.refresh_token)
if not self.access_token.refreshable:
raise InvalidGrant("Access token is not refreshable.")
