public async Task <bool> ChangeKey(string storage, string oldKey, string newKey, string confirmKey)
{
string url = HttpService.Url;
try
{
var model = new ChangeKeyStorageViewModel()
{
Name = storage,
OldKey = oldKey,
NewKey = newKey,
ConfirmKey = confirmKey
};
string json = JsonConvert.SerializeObject(model);
HttpContent content = new StringContent(json, Encoding.UTF8, "application/json");
var result = await HttpService.Instance.PostAsync(url + "Storage/ChangeKeyStorage", content);
if (result.IsSuccessStatusCode)
{
return(true);
}
Exceptions.Add(new Exception(result.Content.ReadAsStringAsync().Result));
return(false);
}
catch (Exception ex)
{
Exceptions.Add(ex);
return(false);
}
}
public async Task <IActionResult> ChangeKeyStorage([FromBody] ChangeKeyStorageViewModel model)
{
if (ModelState.IsValid)
{
var storage = storageContext.Storages
.Where(s => s.Name == model.Name && s.User == User.Identity.Name)
.FirstOrDefault();
var word = storageContext.Words
.Where(w => w.Storage == model.Name && w.User == User.Identity.Name)
.FirstOrDefault();
if (storage == null)
{
return(new BadRequestObjectResult("Хранилище не найдено"));
}
if (word == null)
{
return(new BadRequestObjectResult("Контрольное слово отсутствует"));
}
if (!model.NewKey.Equals(model.ConfirmKey))
{
return(new BadRequestObjectResult("Пароли не совпадают"));
}
if (model.OldKey.Equals(model.NewKey))
{
return(new BadRequestObjectResult("Старый и новый пароли совпадают"));
}
if (!encryptor.CheckSizeKey(model.NewKey) || !encryptor.CheckSizeKey(model.OldKey))
{
return(new BadRequestObjectResult("Размер ключа [16, 24, 32]"));
}
var controlWord = encryptor.Decrypt(encryptor.ToByte(model.OldKey), storage.IV, word.ControlWord);
if (controlWord == null)
{
return(new BadRequestObjectResult("Ключ неверный"));
}
storage.IV = encryptor.GenerateIV();
word.ControlWord = encryptor.Encrypt(encryptor.ToByte(model.NewKey), storage.IV, controlWord);
storageContext.Storages.Update(storage);
storageContext.Words.Update(word);
storageContext.Storages.Update(storage);
await storageContext.SaveChangesAsync();
return(new OkObjectResult("Пароль хранилища обновлен"));
}
return(new BadRequestObjectResult("Модель данных не корректна"));
}