public void Decrypt(IUser user)
{
if (!IsEncrypt)
{
return;
}
if (!IsDownloaded)
{
throw new ArgumentException("An undownloaded message cannot decrypt");
}
if (!user.IsAuthorized)
{
throw new ArgumentException("User is unauthorized, message cannot decrypt");
}
ISecureManager secureManager = ModulesManager.GetSecureManager();
string password = secureManager.DecryptWithAes(user.EncryptedPassword);
if (type != StashMessageType.Empty)
{
content = secureManager.DecryptWithAesHmac(content, password);
}
IsEncrypt = false;
}
public void CreateUser(long chatId, string password)
{
ISecureManager secureManager = ModulesManager.GetSecureManager();
if (IsUserExist(chatId))
{
LogoutUser(chatId);
using (UsersContext db = new UsersContext())
{
UserModel userModel = db.Users
.Where(user => user.ChatId == chatId)
.First();
userModel.HashPassword = secureManager.CalculateHash(password);
db.SaveChanges();
}
}
else
{
using (UsersContext db = new UsersContext())
{
UserModel userModel = new UserModel
{
ChatId = chatId,
HashPassword = secureManager.CalculateHash(password)
};
db.Users.Add(userModel);
db.SaveChanges();
}
}
}
public void Login(string password)
{
if (string.IsNullOrEmpty(password))
{
throw new ArgumentException("Password cannot be null");
}
ISecureManager secureManager = ModulesManager.GetSecureManager();
EncryptedPassword = secureManager.EncryptWithAes(password);
IsAuthorized = true;
}
internal UserLocal(long chatId, string password)
{
if (string.IsNullOrEmpty(password))
{
throw new ArgumentException("Password cannot be null");
}
ISecureManager secureManager = ModulesManager.GetSecureManager();
ChatId = chatId;
IsAuthorized = false;
hashPassword = secureManager.CalculateHash(password);
EncryptedPassword = null;
}
public bool ValidatePassword(string password)
{
ISecureManager secureManager = ModulesManager.GetSecureManager();
return(secureManager.CompareWithHash(password, hashPassword));
}