-
Notifications
You must be signed in to change notification settings - Fork 466
/
secretmanager.go
211 lines (168 loc) · 7.17 KB
/
secretmanager.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
210
211
/*
Copyright 2021 The Dapr Authors
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 secretmanager
import (
"context"
"encoding/json"
"fmt"
"reflect"
secretmanager "cloud.google.com/go/secretmanager/apiv1"
"cloud.google.com/go/secretmanager/apiv1/secretmanagerpb"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
"github.com/dapr/components-contrib/metadata"
"github.com/dapr/components-contrib/secretstores"
"github.com/dapr/kit/logger"
"github.com/googleapis/gax-go/v2"
)
const VersionID = "version_id"
type GcpSecretManagerMetadata struct {
// Ignored by metadata parser because included in built-in authentication profile
Type string `json:"type" mapstructure:"type" mdignore:"true"`
ProjectID string `json:"project_id" mapstructure:"projectID" mdignore:"true" mapstructurealiases:"project_id"`
PrivateKeyID string `json:"private_key_id" mapstructure:"privateKeyID" mdignore:"true" mapstructurealiases:"private_key_id"`
PrivateKey string `json:"private_key" mapstructure:"privateKey" mdignore:"true" mapstructurealiases:"private_key"`
ClientEmail string `json:"client_email" mapstructure:"clientEmail" mdignore:"true" mapstructurealiases:"client_email"`
ClientID string `json:"client_id" mapstructure:"clientID" mdignore:"true" mapstructurealiases:"client_id"`
AuthURI string `json:"auth_uri" mapstructure:"authURI" mdignore:"true" mapstructurealiases:"auth_uri"`
TokenURI string `json:"token_uri" mapstructure:"tokenURI" mdignore:"true" mapstructurealiases:"token_uri"`
AuthProviderCertURL string `json:"auth_provider_x509_cert_url" mapstructure:"authProviderX509CertURL" mdignore:"true" mapstructurealiases:"auth_provider_x509_cert_url"`
ClientCertURL string `json:"client_x509_cert_url" mapstructure:"clientX509CertURL" mdignore:"true" mapstructurealiases:"client_x509_cert_url"`
}
type gcpSecretemanagerClient interface {
AccessSecretVersion(ctx context.Context, req *secretmanagerpb.AccessSecretVersionRequest, opts ...gax.CallOption) (*secretmanagerpb.AccessSecretVersionResponse, error)
ListSecrets(ctx context.Context, req *secretmanagerpb.ListSecretsRequest, opts ...gax.CallOption) *secretmanager.SecretIterator
Close() error
}
var _ secretstores.SecretStore = (*Store)(nil)
// Store contains and GCP secret manager client and project id.
type Store struct {
client gcpSecretemanagerClient
ProjectID string
logger logger.Logger
}
// NewSecreteManager returns new instance of `SecretManagerStore`.
func NewSecreteManager(logger logger.Logger) secretstores.SecretStore {
return &Store{logger: logger}
}
// Init creates a GCP secret manager client.
func (s *Store) Init(ctx context.Context, metadataRaw secretstores.Metadata) error {
metadata, err := s.parseSecretManagerMetadata(metadataRaw)
if err != nil {
return err
}
client, err := s.getClient(ctx, metadata)
if err != nil {
return fmt.Errorf("failed to setup secretmanager client: %s", err)
}
s.client = client
s.ProjectID = metadata.ProjectID
return nil
}
func (s *Store) getClient(ctx context.Context, metadata *GcpSecretManagerMetadata) (*secretmanager.Client, error) {
b, _ := json.Marshal(metadata)
clientOptions := option.WithCredentialsJSON(b)
client, err := secretmanager.NewClient(ctx, clientOptions)
if err != nil {
return nil, err
}
return client, nil
}
// GetSecret retrieves a secret using a key and returns a map of decrypted string.
func (s *Store) GetSecret(ctx context.Context, req secretstores.GetSecretRequest) (secretstores.GetSecretResponse, error) {
res := secretstores.GetSecretResponse{Data: nil}
if s.client == nil {
return res, fmt.Errorf("client is not initialized")
}
if req.Name == "" {
return res, fmt.Errorf("missing secret name in request")
}
secretName := fmt.Sprintf("projects/%s/secrets/%s", s.ProjectID, req.Name)
versionID := "latest"
if value, ok := req.Metadata[VersionID]; ok {
versionID = value
}
secret, err := s.getSecret(ctx, secretName, versionID)
if err != nil {
return res, fmt.Errorf("failed to access secret version: %v", err)
}
return secretstores.GetSecretResponse{Data: map[string]string{req.Name: *secret}}, nil
}
// BulkGetSecret retrieves all secrets in the store and returns a map of decrypted string/string values.
func (s *Store) BulkGetSecret(ctx context.Context, req secretstores.BulkGetSecretRequest) (secretstores.BulkGetSecretResponse, error) {
versionID := "latest"
response := map[string]map[string]string{}
if s.client == nil {
return secretstores.BulkGetSecretResponse{Data: nil}, fmt.Errorf("client is not initialized")
}
request := &secretmanagerpb.ListSecretsRequest{
Parent: fmt.Sprintf("projects/%s", s.ProjectID),
}
it := s.client.ListSecrets(ctx, request)
for {
resp, err := it.Next()
if err == iterator.Done {
break
}
if err != nil {
return secretstores.BulkGetSecretResponse{Data: nil}, fmt.Errorf("failed to list secrets: %v", err)
}
name := resp.GetName()
secret, err := s.getSecret(ctx, name, versionID)
if err != nil {
return secretstores.BulkGetSecretResponse{Data: nil}, fmt.Errorf("failed to access secret version: %v", err)
}
response[name] = map[string]string{name: *secret}
}
return secretstores.BulkGetSecretResponse{Data: response}, nil
}
func (s *Store) getSecret(ctx context.Context, secretName string, versionID string) (*string, error) {
accessRequest := &secretmanagerpb.AccessSecretVersionRequest{
Name: fmt.Sprintf("%s/versions/%s", secretName, versionID),
}
result, err := s.client.AccessSecretVersion(ctx, accessRequest)
if err != nil {
return nil, err
}
secret := string(result.Payload.Data)
return &secret, nil
}
func (s *Store) parseSecretManagerMetadata(metadataRaw secretstores.Metadata) (*GcpSecretManagerMetadata, error) {
meta := GcpSecretManagerMetadata{}
metadata.DecodeMetadata(metadataRaw.Properties, &meta)
if meta.Type == "" {
return nil, fmt.Errorf("missing property `type` in metadata")
}
if meta.ProjectID == "" {
return nil, fmt.Errorf("missing property `project_id` in metadata")
}
if meta.PrivateKey == "" {
return nil, fmt.Errorf("missing property `private_key` in metadata")
}
if meta.ClientEmail == "" {
return nil, fmt.Errorf("missing property `client_email` in metadata")
}
return &meta, nil
}
func (s *Store) Close() error {
return s.client.Close()
}
// Features returns the features available in this secret store.
func (s *Store) Features() []secretstores.Feature {
return []secretstores.Feature{} // No Feature supported.
}
func (s *Store) GetComponentMetadata() (metadataInfo metadata.MetadataMap) {
metadataStruct := GcpSecretManagerMetadata{}
metadata.GetMetadataInfoFromStructType(reflect.TypeOf(metadataStruct), &metadataInfo, metadata.SecretStoreType)
return
}