103 lines
3.1 KiB
Python
103 lines
3.1 KiB
Python
# Copyright 2017 Mycroft AI Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import json
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import time
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import os
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from mycroft.filesystem import FileSystemAccess
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from mycroft.util.log import LOG
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from mycroft.util.combo_lock import ComboLock
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identity_lock = ComboLock('/tmp/identity-lock')
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class DeviceIdentity:
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def __init__(self, **kwargs):
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self.uuid = kwargs.get("uuid", "")
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self.access = kwargs.get("access", "")
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self.refresh = kwargs.get("refresh", "")
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self.expires_at = kwargs.get("expires_at", 0)
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def is_expired(self):
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return self.refresh and 0 < self.expires_at <= time.time()
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def has_refresh(self):
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return self.refresh != ""
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class IdentityManager:
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__identity = None
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@staticmethod
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def _load():
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LOG.debug('Loading identity')
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try:
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with FileSystemAccess('identity').open('identity2.json', 'r') as f:
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IdentityManager.__identity = DeviceIdentity(**json.load(f))
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except Exception:
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IdentityManager.__identity = DeviceIdentity()
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@staticmethod
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def load(lock=True):
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try:
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if lock:
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identity_lock.acquire()
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IdentityManager._load()
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finally:
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if lock:
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identity_lock.release()
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return IdentityManager.__identity
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@staticmethod
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def save(login=None, lock=True):
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LOG.debug('Saving identity')
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if lock:
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identity_lock.acquire()
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try:
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if login:
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IdentityManager._update(login)
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with FileSystemAccess('identity').open('identity2.json', 'w') as f:
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json.dump(IdentityManager.__identity.__dict__, f)
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f.flush()
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os.fsync(f.fileno())
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finally:
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if lock:
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identity_lock.release()
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@staticmethod
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def _update(login=None):
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LOG.debug('Updaing identity')
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login = login or {}
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expiration = login.get("expiration", 0)
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IdentityManager.__identity.uuid = login.get("uuid", "")
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IdentityManager.__identity.access = login.get("accessToken", "")
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IdentityManager.__identity.refresh = login.get("refreshToken", "")
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IdentityManager.__identity.expires_at = time.time() + expiration
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@staticmethod
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def update(login=None, lock=True):
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if lock:
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identity_lock.acquire()
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try:
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IdentityManager._update()
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finally:
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if lock:
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identity_lock.release()
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@staticmethod
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def get():
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if not IdentityManager.__identity:
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IdentityManager.load()
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return IdentityManager.__identity
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