-
Notifications
You must be signed in to change notification settings - Fork 390
/
external_access.go
138 lines (112 loc) · 3.07 KB
/
external_access.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
// Copyright (C) 2021 Storj Labs, Inc.
// See LICENSE for copying information.
package main
import (
"context"
"encoding/json"
"os"
"strings"
"github.com/zeebo/errs"
"storj.io/uplink"
)
func (ex *external) loadAccesses() error {
if ex.access.accesses != nil {
return nil
}
fh, err := os.Open(ex.AccessInfoFile())
if os.IsNotExist(err) {
return nil
} else if err != nil {
return errs.Wrap(err)
}
defer func() { _ = fh.Close() }()
var jsonInput struct {
Default string
Accesses map[string]string
}
if err := json.NewDecoder(fh).Decode(&jsonInput); err != nil {
return errs.Wrap(err)
}
ex.access.defaultName = jsonInput.Default
ex.access.accesses = jsonInput.Accesses
ex.access.loaded = true
return nil
}
func (ex *external) OpenAccess(accessName string) (access *uplink.Access, err error) {
accessDefault, accesses, err := ex.GetAccessInfo(true)
if err != nil {
return nil, err
}
if accessName != "" {
accessDefault = accessName
}
if data, ok := accesses[accessDefault]; ok {
access, err = uplink.ParseAccess(data)
} else {
access, err = uplink.ParseAccess(accessDefault)
// TODO: if this errors then it's probably a name so don't report an error
// that says "it failed to parse"
}
if err != nil {
return nil, err
}
return access, nil
}
func (ex *external) GetAccessInfo(required bool) (string, map[string]string, error) {
if !ex.access.loaded {
if err := ex.loadAccesses(); err != nil {
return "", nil, err
}
if required && !ex.access.loaded {
return "", nil, errs.New("No accesses configured. Use 'access save' to create one")
}
}
// return a copy to avoid mutations messing things up
accesses := make(map[string]string)
for name, accessData := range ex.access.accesses {
accesses[name] = accessData
}
return ex.access.defaultName, accesses, nil
}
// SaveAccessInfo writes out the access file using the provided values.
func (ex *external) SaveAccessInfo(defaultName string, accesses map[string]string) error {
// TODO(jeff): write it atomically
accessFh, err := os.OpenFile(ex.AccessInfoFile(), os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
return errs.Wrap(err)
}
defer func() { _ = accessFh.Close() }()
var jsonOutput = struct {
Default string
Accesses map[string]string
}{
Default: defaultName,
Accesses: accesses,
}
data, err := json.MarshalIndent(jsonOutput, "", "\t")
if err != nil {
return errs.Wrap(err)
}
if _, err := accessFh.Write(data); err != nil {
return errs.Wrap(err)
}
if err := accessFh.Sync(); err != nil {
return errs.Wrap(err)
}
if err := accessFh.Close(); err != nil {
return errs.Wrap(err)
}
return nil
}
func (ex *external) RequestAccess(ctx context.Context, token, passphrase string) (*uplink.Access, error) {
idx := strings.IndexByte(token, '/')
if idx == -1 {
return nil, errs.New("invalid setup token. should be 'satelliteAddress/apiKey'")
}
satelliteAddr, apiKey := token[:idx], token[idx+1:]
access, err := uplink.RequestAccessWithPassphrase(ctx, satelliteAddr, apiKey, passphrase)
if err != nil {
return nil, errs.Wrap(err)
}
return access, nil
}