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Copy pathsseconfig.py
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98 lines (78 loc) · 2.97 KB
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# -*- coding: utf-8 -*-
# MinIO Python Library for Amazon S3 Compatible Cloud Storage, (C)
# 2020 MinIO, Inc.
#
# 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.
"""Request/response of PutBucketEncryption and GetBucketEncryption APIs."""
from __future__ import absolute_import
from abc import ABCMeta
from .xml import Element, SubElement, find, findtext
AES256 = "AES256"
AWS_KMS = "aws:kms"
class Rule:
"""Server-side encryption rule. """
__metaclass__ = ABCMeta
def __init__(self, sse_algorithm, kms_master_key_id=None):
self._sse_algorithm = sse_algorithm
self._kms_master_key_id = kms_master_key_id
@property
def sse_algorithm(self):
"""Get SSE algorithm."""
return self._sse_algorithm
@property
def kms_master_key_id(self):
"""Get KMS master key ID."""
return self._kms_master_key_id
@classmethod
def new_sse_s3_rule(cls):
"""Create SSE-S3 rule."""
return cls(AES256)
@classmethod
def new_sse_kms_rule(cls, kms_master_key_id=None):
"""Create new SSE-KMS rule."""
return cls(AWS_KMS, kms_master_key_id)
@classmethod
def fromxml(cls, element):
"""Create new object with values from XML element."""
element = find(element, "ApplyServerSideEncryptionByDefault")
sse_algorithm = findtext(element, "SSEAlgorithm", True)
kms_master_key_id = findtext(element, "KMSMasterKeyID")
return cls(sse_algorithm, kms_master_key_id)
def toxml(self, element):
"""Convert to XML."""
element = SubElement(element, "Rule")
tag = SubElement(element, "ApplyServerSideEncryptionByDefault")
SubElement(tag, "SSEAlgorithm", self._sse_algorithm)
if self._kms_master_key_id is not None:
SubElement(tag, "KMSMasterKeyID", self._kms_master_key_id)
return element
class SSEConfig:
"""server-side encryption configuration."""
def __init__(self, rule):
if not rule:
raise ValueError("rule must be provided")
self._rule = rule
@property
def rule(self):
"""Get rule."""
return self._rule
@classmethod
def fromxml(cls, element):
"""Create new object with values from XML element."""
element = find(element, "Rule")
return cls(Rule.fromxml(element))
def toxml(self, element):
"""Convert to XML."""
element = Element("ServerSideEncryptionConfiguration")
self._rule.toxml(element)
return element