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
|
// Copyright 2017 Google Inc. All Rights Reserved.
//
// 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 storage
import (
"errors"
"cloud.google.com/go/iam"
"golang.org/x/net/context"
raw "google.golang.org/api/storage/v1"
iampb "google.golang.org/genproto/googleapis/iam/v1"
)
// IAM provides access to IAM access control for the bucket.
func (b *BucketHandle) IAM() *iam.Handle {
return iam.InternalNewHandleClient(&iamClient{raw: b.c.raw}, b.name)
}
// iamClient implements the iam.client interface.
type iamClient struct {
raw *raw.Service
}
func (c *iamClient) Get(ctx context.Context, resource string) (*iampb.Policy, error) {
req := c.raw.Buckets.GetIamPolicy(resource)
setClientHeader(req.Header())
var rp *raw.Policy
var err error
err = runWithRetry(ctx, func() error {
rp, err = req.Context(ctx).Do()
return err
})
if err != nil {
return nil, err
}
return iamFromStoragePolicy(rp), nil
}
func (c *iamClient) Set(ctx context.Context, resource string, p *iampb.Policy) error {
rp := iamToStoragePolicy(p)
req := c.raw.Buckets.SetIamPolicy(resource, rp)
setClientHeader(req.Header())
return runWithRetry(ctx, func() error {
_, err := req.Context(ctx).Do()
return err
})
}
func (c *iamClient) Test(context.Context, string, []string) ([]string, error) {
return nil, errors.New("TestPermissions is unimplemented")
}
func iamToStoragePolicy(ip *iampb.Policy) *raw.Policy {
return &raw.Policy{
Bindings: iamToStorageBindings(ip.Bindings),
Etag: string(ip.Etag),
}
}
func iamToStorageBindings(ibs []*iampb.Binding) []*raw.PolicyBindings {
var rbs []*raw.PolicyBindings
for _, ib := range ibs {
rbs = append(rbs, &raw.PolicyBindings{
Role: ib.Role,
Members: ib.Members,
})
}
return rbs
}
func iamFromStoragePolicy(rp *raw.Policy) *iampb.Policy {
return &iampb.Policy{
Bindings: iamFromStorageBindings(rp.Bindings),
Etag: []byte(rp.Etag),
}
}
func iamFromStorageBindings(rbs []*raw.PolicyBindings) []*iampb.Binding {
var ibs []*iampb.Binding
for _, rb := range rbs {
ibs = append(ibs, &iampb.Binding{
Role: rb.Role,
Members: rb.Members,
})
}
return ibs
}
|
