def get_oauth_session(self):
known_state = session.get(AUTH_STATE_KEY)
redirect_url = urljoin(request.url_root, self.redirect_path)
if self.grant_type and self.grant_type == CLIENT_CREDENTIALS_GRANT_TYPE:
client = BackendApplicationClient(client_id=self.client_id)
oauth_session = OAuth2Session(client=client,
token=session.get(AUTH_TOKEN_KEY))
elif self.grant_type and self.grant_type == IMPLICIT_GRANT_TYPE:
client = MobileApplicationClient(self.client_id)
client.response_type = self.config.get(RESPONSE_TYPE_CONFIG)
oauth_session = OAuth2Session(
client_id=self.client_id,
state=known_state,
scope=self.config.get(SCOPE_CONFIG).split(),
redirect_uri=redirect_url,
client=client,
token=session.get(AUTH_TOKEN_KEY))
else:
client = WebApplicationClient(self.client_id)
oauth_session = OAuth2Session(
client_id=self.client_id,
state=known_state,
scope=self.config.get(SCOPE_CONFIG).split(),
redirect_uri=redirect_url,
client=client,
token=session.get(AUTH_TOKEN_KEY))
return oauth_session
