/
bin.go
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/
bin.go
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// Copyright (c) 2023, donnie <donnie4w@gmail.com>
// All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// github.com/donnie4w/tldb
//
package keystore
import (
"errors"
"fmt"
"io"
"os"
"sync"
"time"
"github.com/donnie4w/tldb/sys"
"github.com/donnie4w/tldb/util"
)
func Init() {
if err := InitKey(sys.DBFILEDIR); err != nil {
panic("keyStore init failed")
}
if sys.PRIVATEKEY != "" || sys.PUBLICKEY != "" {
a := fmt.Sprint(time.Now().Nanosecond())
var err error
var bs []byte
var ok bool
if bs, err = RsaEncrypt([]byte(a), sys.PUBLICKEY); err == nil {
if bs, err = RsaDecrypt(bs, sys.PRIVATEKEY); err == nil {
ok = a == string(bs)
}
}
if err != nil || !ok {
panic("publickey and privatekey authFailed")
}
}
}
func InitKey(dir string) (err error) {
if KeyStore, err = NewKeyStore(dir, "keystore"); err == nil {
StoreAdmin.Load()
}
return
}
var KeyStore *_keyStore
type _keyStore struct {
mux *sync.Mutex
fname string
_fileHandler *os.File
}
func NewKeyStore(dir string, name string) (ks *_keyStore, err error) {
fname := fmt.Sprint(dir, "/", name)
var _fileHandler *os.File
if _fileHandler, err = os.OpenFile(fname, os.O_RDWR|os.O_CREATE, 0666); err == nil {
ks = &_keyStore{&sync.Mutex{}, fname, _fileHandler}
}
return
}
func (this *_keyStore) Write(bs []byte) (err error) {
defer this.mux.Unlock()
this.mux.Lock()
this._fileHandler.Seek(0, io.SeekStart)
this._fileHandler.Truncate(0)
var obs []byte
if obs, err = util.ZlibCz(bs); err != nil {
obs = bs
}
_, err = this._fileHandler.Write(obs)
return
}
func (this *_keyStore) Read() (bs []byte, err error) {
defer this.mux.Unlock()
this.mux.Lock()
fi, err := this._fileHandler.Stat()
if fi.Size() > 0 {
if bs, err = util.ReadFile(this.fname); err == nil && bs != nil {
if obs, er := util.ZlibUnCz(bs); er == nil {
return obs, er
}
}
} else {
err = errors.New("empty file")
}
return
}