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driver.go
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driver.go
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// Copyright (c) 2017 VMware, 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 encrypt
import (
"github.com/vmware/harbor/src/adminserver/systemcfg/encrypt"
"github.com/vmware/harbor/src/adminserver/systemcfg/store"
"github.com/vmware/harbor/src/common/utils/log"
)
const (
name = "encrypt"
)
// cfgStore wraps a store.Driver with an encryptor
type cfgStore struct {
// attrs need to be encrypted and decrypted
keys []string
encryptor encrypt.Encryptor
store store.Driver
}
// NewCfgStore returns an instance of cfgStore
// keys are the attrs need to be encrypted or decrypted
func NewCfgStore(encryptor encrypt.Encryptor,
keys []string, store store.Driver) store.Driver {
return &cfgStore{
keys: keys,
encryptor: encryptor,
store: store,
}
}
func (c *cfgStore) Name() string {
return name
}
func (c *cfgStore) Read() (map[string]interface{}, error) {
m, err := c.store.Read()
if err != nil {
return nil, err
}
for _, key := range c.keys {
v, ok := m[key]
if !ok {
continue
}
str, ok := v.(string)
if !ok {
log.Warningf("the value of %s is not string, skip decrypt", key)
continue
}
text, err := c.encryptor.Decrypt(str)
if err != nil {
return nil, err
}
m[key] = text
}
return m, nil
}
func (c *cfgStore) Write(m map[string]interface{}) error {
for _, key := range c.keys {
v, ok := m[key]
if !ok {
continue
}
str, ok := v.(string)
if !ok {
log.Warningf("%v is not string, skip encrypt", v)
continue
}
ciphertext, err := c.encryptor.Encrypt(str)
if err != nil {
return err
}
m[key] = ciphertext
}
return c.store.Write(m)
}