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/*
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
* Copyright 2020 MinIO, Inc.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package minio
import (
"bytes"
"context"
"encoding/xml"
"net/http"
"net/url"
"github.com/minio/minio-go/v7/pkg/s3utils"
)
// SetBucketVersioning sets a bucket versioning configuration
func (c *Client) SetBucketVersioning(ctx context.Context, bucketName string, config BucketVersioningConfiguration) error {
// Input validation.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return err
}
buf, err := xml.Marshal(config)
if err != nil {
return err
}
// Get resources properly escaped and lined up before
// using them in http request.
urlValues := make(url.Values)
urlValues.Set("versioning", "")
reqMetadata := requestMetadata{
bucketName: bucketName,
queryValues: urlValues,
contentBody: bytes.NewReader(buf),
contentLength: int64(len(buf)),
contentMD5Base64: sumMD5Base64(buf),
contentSHA256Hex: sum256Hex(buf),
}
// Execute PUT to set a bucket versioning.
resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata)
defer closeResponse(resp)
if err != nil {
return err
}
if resp != nil {
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp, bucketName, "")
}
}
return nil
}
// EnableVersioning - enable object versioning in given bucket.
func (c *Client) EnableVersioning(ctx context.Context, bucketName string) error {
return c.SetBucketVersioning(ctx, bucketName, BucketVersioningConfiguration{Status: "Enabled"})
}
// SuspendVersioning - suspend object versioning in given bucket.
func (c *Client) SuspendVersioning(ctx context.Context, bucketName string) error {
return c.SetBucketVersioning(ctx, bucketName, BucketVersioningConfiguration{Status: "Suspended"})
}
// BucketVersioningConfiguration is the versioning configuration structure
type BucketVersioningConfiguration struct {
XMLName xml.Name `xml:"VersioningConfiguration"`
Status string `xml:"Status"`
MFADelete string `xml:"MfaDelete,omitempty"`
}
// Various supported states
const (
Enabled = "Enabled"
// Disabled State = "Disabled" only used by MFA Delete not supported yet.
Suspended = "Suspended"
)
// Enabled returns true if bucket versioning is enabled
func (b BucketVersioningConfiguration) Enabled() bool {
return b.Status == Enabled
}
// Suspended returns true if bucket versioning is suspended
func (b BucketVersioningConfiguration) Suspended() bool {
return b.Status == Suspended
}
// GetBucketVersioning gets the versioning configuration on
// an existing bucket with a context to control cancellations and timeouts.
func (c *Client) GetBucketVersioning(ctx context.Context, bucketName string) (BucketVersioningConfiguration, error) {
// Input validation.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return BucketVersioningConfiguration{}, err
}
// Get resources properly escaped and lined up before
// using them in http request.
urlValues := make(url.Values)
urlValues.Set("versioning", "")
// Execute GET on bucket to get the versioning configuration.
resp, err := c.executeMethod(ctx, http.MethodGet, requestMetadata{
bucketName: bucketName,
queryValues: urlValues,
})
defer closeResponse(resp)
if err != nil {
return BucketVersioningConfiguration{}, err
}
if resp.StatusCode != http.StatusOK {
return BucketVersioningConfiguration{}, httpRespToErrorResponse(resp, bucketName, "")
}
versioningConfig := BucketVersioningConfiguration{}
if err = xmlDecoder(resp.Body, &versioningConfig); err != nil {
return versioningConfig, err
}
return versioningConfig, nil
}
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