# -*- coding: utf-8 -*-
# Asynchronous MinIO Client SDK for Python
# (C) 2020 MinIO, Inc.
# (C) 2022 Huseyn Mashadiyev <mashadiyev.huseyn@gmail.com>
# (C) 2022 L-ING <hlf01@icloud.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Credential definitions to access S3 service."""
from __future__ import annotations
from datetime import datetime, timedelta, timezone
from miniopy_async.time import utcnow
[docs]
class Credentials:
"""
Represents credentials access key, secret key and session token.
"""
_access_key: str
_secret_key: str
_session_token: str | None
_expiration: datetime | None
def __init__(
self,
access_key: str,
secret_key: str,
session_token: str | None = None,
expiration: datetime | None = None,
):
if not access_key:
raise ValueError("Access key must not be empty")
if not secret_key:
raise ValueError("Secret key must not be empty")
self._access_key = access_key
self._secret_key = secret_key
self._session_token = session_token
if expiration and expiration.tzinfo:
expiration = expiration.astimezone(timezone.utc).replace(tzinfo=None)
self._expiration = expiration
@property
def access_key(self) -> str:
"""Get access key."""
return self._access_key
@property
def secret_key(self) -> str:
"""Get secret key."""
return self._secret_key
@property
def session_token(self) -> str | None:
"""Get session token."""
return self._session_token
[docs]
def is_expired(self) -> bool:
"""Check whether this credentials expired or not."""
return (
self._expiration < (utcnow() + timedelta(seconds=10))
if self._expiration
else False
)