138 lines
4.1 KiB
Go
138 lines
4.1 KiB
Go
/*
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* MinIO Go Library for Amazon S3 Compatible Cloud Storage
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* Copyright 2020 MinIO, Inc.
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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 minio
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import (
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"bytes"
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"context"
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"encoding/xml"
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"net/http"
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"net/url"
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"github.com/minio/minio-go/v7/pkg/s3utils"
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)
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// SetBucketVersioning sets a bucket versioning configuration
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func (c Client) SetBucketVersioning(ctx context.Context, bucketName string, config BucketVersioningConfiguration) error {
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// Input validation.
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if err := s3utils.CheckValidBucketName(bucketName); err != nil {
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return err
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}
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buf, err := xml.Marshal(config)
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if err != nil {
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return err
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}
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// Get resources properly escaped and lined up before
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// using them in http request.
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urlValues := make(url.Values)
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urlValues.Set("versioning", "")
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reqMetadata := requestMetadata{
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bucketName: bucketName,
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queryValues: urlValues,
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contentBody: bytes.NewReader(buf),
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contentLength: int64(len(buf)),
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contentMD5Base64: sumMD5Base64(buf),
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contentSHA256Hex: sum256Hex(buf),
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}
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// Execute PUT to set a bucket versioning.
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resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata)
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defer closeResponse(resp)
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if err != nil {
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return err
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}
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if resp != nil {
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if resp.StatusCode != http.StatusOK {
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return httpRespToErrorResponse(resp, bucketName, "")
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}
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}
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return nil
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}
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// EnableVersioning - enable object versioning in given bucket.
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func (c Client) EnableVersioning(ctx context.Context, bucketName string) error {
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return c.SetBucketVersioning(ctx, bucketName, BucketVersioningConfiguration{Status: "Enabled"})
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}
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// SuspendVersioning - suspend object versioning in given bucket.
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func (c Client) SuspendVersioning(ctx context.Context, bucketName string) error {
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return c.SetBucketVersioning(ctx, bucketName, BucketVersioningConfiguration{Status: "Suspended"})
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}
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// BucketVersioningConfiguration is the versioning configuration structure
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type BucketVersioningConfiguration struct {
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XMLName xml.Name `xml:"VersioningConfiguration"`
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Status string `xml:"Status"`
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MFADelete string `xml:"MfaDelete,omitempty"`
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}
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// Various supported states
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const (
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Enabled = "Enabled"
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// Disabled State = "Disabled" only used by MFA Delete not supported yet.
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Suspended = "Suspended"
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)
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// Enabled returns true if bucket versioning is enabled
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func (b BucketVersioningConfiguration) Enabled() bool {
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return b.Status == Enabled
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}
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// Suspended returns true if bucket versioning is suspended
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func (b BucketVersioningConfiguration) Suspended() bool {
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return b.Status == Suspended
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}
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// GetBucketVersioning gets the versioning configuration on
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// an existing bucket with a context to control cancellations and timeouts.
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func (c Client) GetBucketVersioning(ctx context.Context, bucketName string) (BucketVersioningConfiguration, error) {
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// Input validation.
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if err := s3utils.CheckValidBucketName(bucketName); err != nil {
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return BucketVersioningConfiguration{}, err
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}
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// Get resources properly escaped and lined up before
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// using them in http request.
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urlValues := make(url.Values)
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urlValues.Set("versioning", "")
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// Execute GET on bucket to get the versioning configuration.
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resp, err := c.executeMethod(ctx, http.MethodGet, requestMetadata{
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bucketName: bucketName,
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queryValues: urlValues,
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})
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defer closeResponse(resp)
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if err != nil {
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return BucketVersioningConfiguration{}, err
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}
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if resp.StatusCode != http.StatusOK {
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return BucketVersioningConfiguration{}, httpRespToErrorResponse(resp, bucketName, "")
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}
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versioningConfig := BucketVersioningConfiguration{}
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if err = xmlDecoder(resp.Body, &versioningConfig); err != nil {
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return versioningConfig, err
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}
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return versioningConfig, nil
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}
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