func getEncrypted(key, keyring string, store backend.Store) ([]byte, error) {
var (
value []byte
passring keyctl.Keyring
pkr prompt.PassphraseKeyring
)
kr, err := os.Open(secretKeyring)
if err != nil {
return value, err
}
defer kr.Close()
data, err := store.Get(key)
if err != nil {
return value, err
}
if passring, err = SessionKeyring(); err == nil {
pkr = prompt.PassphraseKeyring{Keyring: passring}
}
if passring != nil {
pkr.Prompt = prompt.NewPrompter(prompt.PassphrasePrompt)
value, err = secconf.DecodeVia(data, kr, pkr)
} else {
value, err = secconf.Decode(data, kr)
}
if err != nil {
return value, err
}
return value, err
}
func listEncrypted(key, keyring string, store backend.Store) (backend.KVPairs, error) {
var (
passring keyctl.Keyring
pkr prompt.PassphraseKeyring
)
kr, err := os.Open(secretKeyring)
if err != nil {
return nil, err
}
defer kr.Close()
data, err := store.List(key)
if err != nil {
return nil, err
}
if passring, err = SessionKeyring(); err == nil {
pkr = prompt.PassphraseKeyring{Keyring: passring}
pkr.Prompt = prompt.NewPrompter(prompt.PassphrasePrompt)
}
for i, kv := range data {
if passring != nil {
data[i].Value, err = secconf.DecodeVia(kv.Value, kr, pkr)
} else {
data[i].Value, err = secconf.Decode(kv.Value, kr)
}
kr.Seek(0, 0)
if err != nil {
return nil, err
}
}
return data, err
}
// Get retrieves and decodes a secconf value stored at key.
func (c configManager) Get(key string) ([]byte, error) {
value, err := c.store.Get(key)
if err != nil {
return nil, err
}
return secconf.Decode(value, bytes.NewBuffer(c.keystore))
}
// List retrieves and decodes all secconf value stored under key.
func (c configManager) List(key string) (KVPairs, error) {
list, err := c.store.List(key)
retList := make(KVPairs, len(list))
if err != nil {
return nil, err
}
for i, kv := range list {
retList[i].Key = kv.Key
retList[i].Value, err = secconf.Decode(kv.Value, bytes.NewBuffer(c.keystore))
if err != nil {
return nil, err
}
}
return retList, nil
}
func (c configManager) Watch(key string, stop chan bool) <-chan *Response {
resp := make(chan *Response, 0)
backendResp := c.store.Watch(key, stop)
go func() {
for {
select {
case <-stop:
return
case r := <-backendResp:
if r.Error != nil {
resp <- &Response{nil, r.Error}
continue
}
value, err := secconf.Decode(r.Value, bytes.NewBuffer(c.keystore))
resp <- &Response{value, err}
}
}
}()
return resp
}