60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
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/*
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* MinIO Cloud Storage, (C) 2020 MinIO, 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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package cmd
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import (
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"errors"
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"io"
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bucketsse "github.com/minio/minio/pkg/bucket/encryption"
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)
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// BucketSSEConfigSys - in-memory cache of bucket encryption config
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type BucketSSEConfigSys struct{}
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// NewBucketSSEConfigSys - Creates an empty in-memory bucket encryption configuration cache
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func NewBucketSSEConfigSys() *BucketSSEConfigSys {
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return &BucketSSEConfigSys{}
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}
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// Get - gets bucket encryption config for the given bucket.
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func (sys *BucketSSEConfigSys) Get(bucket string) (*bucketsse.BucketSSEConfig, error) {
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if globalIsGateway {
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objAPI := newObjectLayerWithoutSafeModeFn()
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if objAPI == nil {
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return nil, errServerNotInitialized
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}
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return nil, BucketSSEConfigNotFound{Bucket: bucket}
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}
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return globalBucketMetadataSys.GetSSEConfig(bucket)
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}
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// validateBucketSSEConfig parses bucket encryption configuration and validates if it is supported by MinIO.
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func validateBucketSSEConfig(r io.Reader) (*bucketsse.BucketSSEConfig, error) {
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encConfig, err := bucketsse.ParseBucketSSEConfig(r)
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if err != nil {
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return nil, err
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}
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if len(encConfig.Rules) == 1 && encConfig.Rules[0].DefaultEncryptionAction.Algorithm == bucketsse.AES256 {
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return encConfig, nil
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}
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return nil, errors.New("Unsupported bucket encryption configuration")
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}
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