0x1949 Team - FAZEMRX - MANAGER
Edit File: chainer.py
""" Keyring Chainer - iterates over other viable backends to discover passwords in each. """ from .. import backend from ..util import properties from . import fail class ChainerBackend(backend.KeyringBackend): """ >>> ChainerBackend() <keyring.backends.chainer.ChainerBackend object at ...> """ # override viability as 'priority' cannot be determined # until other backends have been constructed viable = True @properties.ClassProperty @classmethod def priority(cls): """ If there are backends to chain, high priority Otherwise very low priority since our operation when empty is the same as null. """ return 10 if len(cls.backends) > 1 else (fail.Keyring.priority - 1) @properties.ClassProperty @classmethod def backends(cls): """ Discover all keyrings for chaining. """ def allow(keyring): limit = backend._limit or bool return ( not isinstance(keyring, ChainerBackend) and limit(keyring) and keyring.priority > 0 ) allowed = filter(allow, backend.get_all_keyring()) return sorted(allowed, key=backend.by_priority, reverse=True) def get_password(self, service, username): for keyring in self.backends: password = keyring.get_password(service, username) if password is not None: return password def set_password(self, service, username, password): for keyring in self.backends: try: return keyring.set_password(service, username, password) except NotImplementedError: pass def delete_password(self, service, username): for keyring in self.backends: try: return keyring.delete_password(service, username) except NotImplementedError: pass def get_credential(self, service, username): for keyring in self.backends: credential = keyring.get_credential(service, username) if credential is not None: return credential