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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"
"github.com/minio/minio-go/v7/pkg/sse"
)
// SetBucketEncryption sets the default encryption configuration on an existing bucket.
func (c *Client) SetBucketEncryption(ctx context.Context, bucketName string, config *sse.Configuration) error {
// Input validation.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return err
}
if config == nil {
return errInvalidArgument("configuration cannot be empty")
}
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("encryption", "")
// Content-length is mandatory to set a default encryption configuration
reqMetadata := requestMetadata{
bucketName: bucketName,
queryValues: urlValues,
contentBody: bytes.NewReader(buf),
contentLength: int64(len(buf)),
contentMD5Base64: sumMD5Base64(buf),
}
// Execute PUT to upload a new bucket default encryption configuration.
resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata)
defer closeResponse(resp)
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp, bucketName, "")
}
return nil
}
// RemoveBucketEncryption removes the default encryption configuration on a bucket with a context to control cancellations and timeouts.
func (c *Client) RemoveBucketEncryption(ctx context.Context, bucketName string) error {
// Input validation.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return err
}
// Get resources properly escaped and lined up before
// using them in http request.
urlValues := make(url.Values)
urlValues.Set("encryption", "")
// DELETE default encryption configuration on a bucket.
resp, err := c.executeMethod(ctx, http.MethodDelete, requestMetadata{
bucketName: bucketName,
queryValues: urlValues,
contentSHA256Hex: emptySHA256Hex,
})
defer closeResponse(resp)
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusNoContent {
return httpRespToErrorResponse(resp, bucketName, "")
}
return nil
}
// GetBucketEncryption gets the default encryption configuration
// on an existing bucket with a context to control cancellations and timeouts.
func (c *Client) GetBucketEncryption(ctx context.Context, bucketName string) (*sse.Configuration, error) {
// Input validation.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return nil, err
}
// Get resources properly escaped and lined up before
// using them in http request.
urlValues := make(url.Values)
urlValues.Set("encryption", "")
// Execute GET on bucket to get the default encryption configuration.
resp, err := c.executeMethod(ctx, http.MethodGet, requestMetadata{
bucketName: bucketName,
queryValues: urlValues,
})
defer closeResponse(resp)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, httpRespToErrorResponse(resp, bucketName, "")
}
encryptionConfig := &sse.Configuration{}
if err = xmlDecoder(resp.Body, encryptionConfig); err != nil {
return nil, err
}
return encryptionConfig, nil
}
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