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62 lines
2.0 KiB
Go
62 lines
2.0 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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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 := newObjectLayerFn()
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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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