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80 lines
2.1 KiB
80 lines
2.1 KiB
5 years ago
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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 versioning
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import (
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"encoding/xml"
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"io"
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)
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// State - enabled/disabled/suspended states
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// for multifactor and status of versioning.
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type State string
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// Various supported states
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const (
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Enabled State = "Enabled"
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// Disabled State = "Disabled" only used by MFA Delete not supported yet.
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Suspended State = "Suspended"
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)
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// Versioning - Configuration for bucket versioning.
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type Versioning struct {
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XMLNS string `xml:"xmlns,attr,omitempty"`
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XMLName xml.Name `xml:"VersioningConfiguration"`
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// MFADelete State `xml:"MFADelete,omitempty"` // not supported yet.
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Status State `xml:"Status,omitempty"`
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}
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// Validate - validates the versioning configuration
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func (v Versioning) Validate() error {
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// Not supported yet
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// switch v.MFADelete {
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// case Enabled, Disabled:
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// default:
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// return Errorf("unsupported MFADelete state %s", v.MFADelete)
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// }
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switch v.Status {
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case Enabled, Suspended:
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default:
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return Errorf("unsupported Versioning status %s", v.Status)
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}
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return nil
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}
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// Enabled - returns true if versioning is enabled
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func (v Versioning) Enabled() bool {
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return v.Status == Enabled
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}
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// Suspended - returns true if versioning is suspended
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func (v Versioning) Suspended() bool {
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return v.Status == Suspended
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}
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// ParseConfig - parses data in given reader to VersioningConfiguration.
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func ParseConfig(reader io.Reader) (*Versioning, error) {
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var v Versioning
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if err := xml.NewDecoder(reader).Decode(&v); err != nil {
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return nil, err
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}
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if err := v.Validate(); err != nil {
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return nil, err
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}
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return &v, nil
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}
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