/
ajax_encrypt_key.go
93 lines (81 loc) · 2.64 KB
/
ajax_encrypt_key.go
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// Copyright 2016 The go-daylight Authors
// This file is part of the go-daylight library.
//
// The go-daylight library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-daylight library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-daylight library. If not, see <http://www.gnu.org/licenses/>.
package controllers
import (
"encoding/hex"
"github.com/EGaaS/go-egaas-mvp/packages/lib"
"github.com/EGaaS/go-egaas-mvp/packages/utils"
)
const aEncryptKey = `ajax_encrypt_key`
// EncryptKey is a structure for the answer of ajax_encrypt_key ajax request
type EncryptKey struct {
Encrypted string `json:"encrypted"` //hex
Public string `json:"public"` //hex
WalletID int64 `json:"wallet_id"`
Address string `json:"address"`
Error string `json:"error"`
}
func init() {
newPage(aEncryptKey, `json`)
}
// EncryptNewKey creates a shared key, generates and crypts a new private key
func EncryptNewKey(walletID string) (result EncryptKey) {
var (
err error
id int64
)
if len(walletID) == 0 {
result.Error = `unknown wallet id`
return result
}
id = lib.StringToAddress(walletID)
pubKey, err := utils.DB.Single(`select public_key_0 from dlt_wallets where wallet_id=?`, id).String()
if err != nil {
result.Error = err.Error()
return result
}
if len(pubKey) == 0 {
result.Error = `unknown wallet id`
return result
}
var private string
for result.WalletID == 0 {
private, result.Public, _ = lib.GenHexKeys()
pub, _ := hex.DecodeString(result.Public)
idnew := int64(lib.Address(pub))
exist, err := utils.DB.Single(`select wallet_id from dlt_wallets where wallet_id=?`, idnew).Int64()
if err != nil {
result.Error = err.Error()
return result
}
if exist == 0 {
result.WalletID = idnew
}
}
priv, _ := hex.DecodeString(private)
encrypted, err := lib.SharedEncrypt([]byte(pubKey), priv)
if err != nil {
result.Error = err.Error()
return result
}
result.Encrypted = hex.EncodeToString(encrypted)
result.Address = lib.AddressToString(result.WalletID)
return
}
// AjaxEncryptKey is a controller of ajax_encrypt_key request
func (c *Controller) AjaxEncryptKey() interface{} {
return EncryptNewKey(c.r.FormValue("wallet_id"))
}