/
secret.go
201 lines (170 loc) · 4.49 KB
/
secret.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
// Copyright Nitric Pty Ltd.
//
// SPDX-License-Identifier: Apache-2.0
//
// 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 run
import (
"bufio"
"context"
"encoding/base64"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/google/uuid"
"github.com/nitrictech/nitric/core/pkg/plugins/errors"
"github.com/nitrictech/nitric/core/pkg/plugins/errors/codes"
"github.com/nitrictech/nitric/core/pkg/plugins/secret"
"github.com/nitrictech/nitric/core/pkg/utils"
)
const DEV_SUB_DIR_SECRETS = "./secrets/"
type DevSecretService struct {
secret.UnimplementedSecretPlugin
secDir string
}
func (s *DevSecretService) secretFileName(sec *secret.Secret, v string) string {
filename := fmt.Sprintf("%s_%s.txt", sec.Name, v)
return filepath.Join(s.secDir, filename)
}
func (s *DevSecretService) Put(ctx context.Context, sec *secret.Secret, val []byte) (*secret.SecretPutResponse, error) {
newErr := errors.ErrorsWithScope(
"DevSecretService.Put",
map[string]interface{}{
"secret": sec,
},
)
if sec == nil {
return nil, newErr(codes.InvalidArgument, "provide non-empty secret", nil)
}
if len(sec.Name) == 0 {
return nil, newErr(codes.InvalidArgument, "provide non-blank secret name", nil)
}
if len(val) == 0 {
return nil, newErr(codes.InvalidArgument, "provide non-blank secret value", nil)
}
versionId := uuid.New().String()
// Creates a new file in the form:
// DIR/Name_Version.txt
file, err := os.Create(s.secretFileName(sec, versionId))
if err != nil {
return nil, newErr(
codes.FailedPrecondition,
"error creating secret store",
err,
)
}
sVal := base64.StdEncoding.EncodeToString(val)
writer := bufio.NewWriter(file)
_, err = writer.WriteString(sVal)
if err != nil {
return nil, newErr(
codes.FailedPrecondition,
"error writing secret value",
err,
)
}
writer.Flush()
// Creates a new file as latest
latestFile, err := os.Create(s.secretFileName(sec, "latest"))
if err != nil {
return nil, newErr(
codes.FailedPrecondition,
"error creating latest secret",
err,
)
}
latestWriter := bufio.NewWriter(latestFile)
_, err = latestWriter.WriteString(sVal + "," + versionId)
if err != nil {
return nil, newErr(
codes.FailedPrecondition,
"error writing secret value",
err,
)
}
latestWriter.Flush()
return &secret.SecretPutResponse{
SecretVersion: &secret.SecretVersion{
Secret: &secret.Secret{
Name: sec.Name,
},
Version: versionId,
},
}, nil
}
func (s *DevSecretService) Access(ctx context.Context, sv *secret.SecretVersion) (*secret.SecretAccessResponse, error) {
newErr := errors.ErrorsWithScope(
"DevSecretService.Access",
map[string]interface{}{
"version": sv,
},
)
if sv.Secret.Name == "" {
return nil, newErr(
codes.InvalidArgument,
"provide non-blank name",
nil,
)
}
if sv.Version == "" {
return nil, newErr(
codes.InvalidArgument,
"provide non-blank version",
nil,
)
}
content, err := os.ReadFile(s.secretFileName(sv.Secret, sv.Version))
if err != nil {
return nil, newErr(
codes.InvalidArgument,
"error reading secret store",
err,
)
}
splitContent := strings.Split(string(content), ",")
version := sv.Version
// check whether a version number is stored in the file, this indicates the 'latest' version file.
if len(splitContent) == 2 {
version = splitContent[1]
}
sVal, err := base64.StdEncoding.DecodeString(splitContent[0])
if err != nil {
return nil, err
}
return &secret.SecretAccessResponse{
SecretVersion: &secret.SecretVersion{
Secret: &secret.Secret{
Name: sv.Secret.Name,
},
Version: version,
},
Value: sVal,
}, nil
}
// Create new secret store
func NewSecretService() (secret.SecretService, error) {
secDir := utils.GetEnv("LOCAL_SEC_DIR", utils.GetRelativeDevPath(DEV_SUB_DIR_SECRETS))
// Check whether file exists
_, err := os.Stat(secDir)
if os.IsNotExist(err) {
// Make directory if not present
err := os.MkdirAll(secDir, 0o777)
if err != nil {
return nil, err
}
}
return &DevSecretService{
secDir: secDir,
}, nil
}