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84 lines
2.6 KiB
Go
84 lines
2.6 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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"strings"
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"github.com/minio/minio/internal/bucket/versioning"
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"github.com/minio/minio/internal/logger"
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)
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// BucketVersioningSys - policy subsystem.
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type BucketVersioningSys struct{}
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// Enabled enabled versioning?
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func (sys *BucketVersioningSys) Enabled(bucket string) bool {
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vc, err := sys.Get(bucket)
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if err != nil {
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logger.CriticalIf(GlobalContext, err)
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}
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return vc.Enabled()
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}
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// PrefixEnabled returns true is versioning is enabled at bucket level and if
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// the given prefix doesn't match any excluded prefixes pattern. This is
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// part of a MinIO versioning configuration extension.
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func (sys *BucketVersioningSys) PrefixEnabled(bucket, prefix string) bool {
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vc, err := sys.Get(bucket)
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if err != nil {
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logger.CriticalIf(GlobalContext, err)
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}
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return vc.PrefixEnabled(prefix)
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}
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// Suspended suspended versioning?
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func (sys *BucketVersioningSys) Suspended(bucket string) bool {
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vc, err := sys.Get(bucket)
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if err != nil {
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logger.CriticalIf(GlobalContext, err)
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}
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return vc.Suspended()
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}
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// PrefixSuspended returns true if the given prefix matches an excluded prefix
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// pattern. This is part of a MinIO versioning configuration extension.
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func (sys *BucketVersioningSys) PrefixSuspended(bucket, prefix string) bool {
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vc, err := sys.Get(bucket)
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if err != nil {
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logger.CriticalIf(GlobalContext, err)
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}
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return vc.PrefixSuspended(prefix)
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}
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// Get returns stored bucket policy
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func (sys *BucketVersioningSys) Get(bucket string) (*versioning.Versioning, error) {
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if bucket == minioMetaBucket || strings.HasPrefix(bucket, minioMetaBucket) {
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return &versioning.Versioning{XMLNS: "http://s3.amazonaws.com/doc/2006-03-01/"}, nil
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}
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vcfg, _, err := globalBucketMetadataSys.GetVersioningConfig(bucket)
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return vcfg, err
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}
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// NewBucketVersioningSys - creates new versioning system.
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func NewBucketVersioningSys() *BucketVersioningSys {
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return &BucketVersioningSys{}
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}
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