forked from minio/minio-go
-
Notifications
You must be signed in to change notification settings - Fork 0
/
api-put-bucket.go
209 lines (182 loc) · 6.06 KB
/
api-put-bucket.go
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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
/*
* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2015 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"
"encoding/hex"
"encoding/xml"
"io/ioutil"
"net/http"
"net/url"
)
/// Bucket operations
// MakeBucket makes a new bucket.
//
// Optional arguments are acl and location - by default all buckets are created
// with ``private`` acl and in US Standard region.
//
// ACL valid values - http://docs.aws.amazon.com/AmazonS3/latest/dev/acl-overview.html
//
// private - owner gets full access [default].
// public-read - owner gets full access, all others get read access.
// public-read-write - owner gets full access, all others get full access too.
// authenticated-read - owner gets full access, authenticated users get read access.
//
// For Amazon S3 for more supported regions - http://docs.aws.amazon.com/general/latest/gr/rande.html
// For Google Cloud Storage for more supported regions - https://cloud.google.com/storage/docs/bucket-locations
func (c Client) MakeBucket(bucketName string, acl BucketACL, location string) error {
// Validate the input arguments.
if err := isValidBucketName(bucketName); err != nil {
return err
}
if !acl.isValidBucketACL() {
return ErrInvalidArgument("Unrecognized ACL " + acl.String())
}
// If location is empty, treat is a default region 'us-east-1'.
if location == "" {
location = "us-east-1"
}
// Instantiate the request.
req, err := c.makeBucketRequest(bucketName, acl, location)
if err != nil {
return err
}
// Execute the request.
resp, err := c.do(req)
defer closeResponse(resp)
if err != nil {
return err
}
if resp != nil {
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp, bucketName, "")
}
}
// Save the location into cache on a successfull makeBucket response.
c.bucketLocCache.Set(bucketName, location)
// Return.
return nil
}
// makeBucketRequest constructs request for makeBucket.
func (c Client) makeBucketRequest(bucketName string, acl BucketACL, location string) (*http.Request, error) {
// Validate input arguments.
if err := isValidBucketName(bucketName); err != nil {
return nil, err
}
if !acl.isValidBucketACL() {
return nil, ErrInvalidArgument("Unrecognized ACL " + acl.String())
}
// In case of Amazon S3. The make bucket issued on already
// existing bucket would fail with 'AuthorizationMalformed' error
// if virtual style is used. So we default to 'path style' as that
// is the preferred method here. The final location of the
// 'bucket' is provided through XML LocationConstraint data with
// the request.
targetURL := *c.endpointURL
targetURL.Path = "/" + bucketName + "/"
// get a new HTTP request for the method.
req, err := http.NewRequest("PUT", targetURL.String(), nil)
if err != nil {
return nil, err
}
// by default bucket acl is set to private.
req.Header.Set("x-amz-acl", "private")
if acl != "" {
req.Header.Set("x-amz-acl", string(acl))
}
// set UserAgent for the request.
c.setUserAgent(req)
// set sha256 sum for signature calculation only with signature version '4'.
if c.signature.isV4() {
req.Header.Set("X-Amz-Content-Sha256", hex.EncodeToString(sum256([]byte{})))
}
// If location is not 'us-east-1' create bucket location config.
if location != "us-east-1" && location != "" {
createBucketConfig := createBucketConfiguration{}
createBucketConfig.Location = location
var createBucketConfigBytes []byte
createBucketConfigBytes, err = xml.Marshal(createBucketConfig)
if err != nil {
return nil, err
}
createBucketConfigBuffer := bytes.NewBuffer(createBucketConfigBytes)
req.Body = ioutil.NopCloser(createBucketConfigBuffer)
req.ContentLength = int64(createBucketConfigBuffer.Len())
if c.signature.isV4() {
req.Header.Set("X-Amz-Content-Sha256", hex.EncodeToString(sum256(createBucketConfigBuffer.Bytes())))
}
}
// Sign the request.
if c.signature.isV4() {
// Signature calculated for MakeBucket request should be for 'us-east-1',
// regardless of the bucket's location constraint.
req = signV4(*req, c.accessKeyID, c.secretAccessKey, "us-east-1")
} else if c.signature.isV2() {
req = signV2(*req, c.accessKeyID, c.secretAccessKey)
}
// Return signed request.
return req, nil
}
// SetBucketACL set the permissions on an existing bucket using access control lists (ACL).
//
// For example
//
// private - owner gets full access [default].
// public-read - owner gets full access, all others get read access.
// public-read-write - owner gets full access, all others get full access too.
// authenticated-read - owner gets full access, authenticated users get read access.
func (c Client) SetBucketACL(bucketName string, acl BucketACL) error {
// Input validation.
if err := isValidBucketName(bucketName); err != nil {
return err
}
if !acl.isValidBucketACL() {
return ErrInvalidArgument("Unrecognized ACL " + acl.String())
}
// Set acl query.
urlValues := make(url.Values)
urlValues.Set("acl", "")
// Add misc headers.
customHeader := make(http.Header)
if acl != "" {
customHeader.Set("x-amz-acl", acl.String())
} else {
customHeader.Set("x-amz-acl", "private")
}
// Instantiate a new request.
req, err := c.newRequest("PUT", requestMetadata{
bucketName: bucketName,
queryValues: urlValues,
customHeader: customHeader,
})
if err != nil {
return err
}
// Initiate the request.
resp, err := c.do(req)
defer closeResponse(resp)
if err != nil {
return err
}
if resp != nil {
// if error return.
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp, bucketName, "")
}
}
// return
return nil
}