1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* 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.
// The encryption configuration specifies the default encryption behavior for objects uploaded to the bucket.
//
// Parameters:
// - ctx: Context for request cancellation and timeout
// - bucketName: Name of the bucket
// - config: Server-side encryption configuration to apply
//
// Returns an error if the operation fails or if config is nil.
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 from a bucket.
// After removal, the bucket will no longer apply default encryption to new objects.
// It uses the provided context to control cancellations and timeouts.
//
// Parameters:
// - ctx: Context for request cancellation and timeout
// - bucketName: Name of the bucket
//
// Returns an error if the operation fails.
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 retrieves the default encryption configuration from a bucket.
// It uses the provided context to control cancellations and timeouts.
//
// Parameters:
// - ctx: Context for request cancellation and timeout
// - bucketName: Name of the bucket
//
// Returns the bucket's encryption configuration or an error if the operation fails.
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
}
|
