/// <summary>
/// 对Ts文件加密
/// </summary>
/// <param name="file"></param>
/// <param name="curIndex"></param>
/// <returns></returns>
private byte[] TsEncrypt(byte[] file, int curIndex)
{
byte[] arrayIv = default;
arrayIv = ListToBytes(new ArrayList()
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, curIndex / 255, curIndex % 255
});
byte[] data = default;
if (file != null && file.Length != 0)
{
data = AES128.AESEncrypt(file, arrayIv, outFileConfig.tsAESKey);
}
else
{
Logger.LogDebug("file为空");
}
return(data);
}
/// <summary>
/// 登录
/// </summary>
/// <returns></returns>
private async Task LoginToBilibili()
{
async Task WriteLoginDataToFile(Account account)
{
if (account == null)
{
throw new Exception("Write to file data can not null.");
}
string dataBeforeEncrypt = JsonUtil.SerializeObject(account);
string dataAfterEncrypt = AES128.AESEncrypt(dataBeforeEncrypt, _config.AppSetting.Key, "40863a4f-7cbe-4be2-bb54-765233c83d25");
await File.WriteAllBytesAsync(_dataFilePath, Encoding.UTF8.GetBytes(dataAfterEncrypt));
}
async Task LoginByPassword()
{
Account account = ByPassword.LoginByPassword(_config.UserSetting.Account, _config.UserSetting.Password);
if (account == null)
{
throw new Exception("Get account info failed.");
}
if (account.LoginStatus != Account.LoginStatusEnum.ByPassword)
{
throw new Exception($"登录失败，登录失败原因：{account.LoginStatus}");
}
await WriteLoginDataToFile(account);
_account = account;
}
try
{
if (!File.Exists(_dataFilePath))
{
await LoginByPassword();
return;
}
//获取历史登录信息
string fileStr = await File.ReadAllTextAsync(_dataFilePath);
if (string.IsNullOrEmpty(fileStr))
{
await LoginByPassword();
return;
}
Account account = null;
try
{
string decodeStr = AES128.AESDecrypt(fileStr, _config.AppSetting.Key, "40863a4f-7cbe-4be2-bb54-765233c83d25");
if (string.IsNullOrEmpty(decodeStr))
{
await LoginByPassword();
return;
}
account = JsonUtil.DeserializeJsonToObject <Account>(decodeStr);
}
catch
{
await LoginByPassword();
return;
}
//判断AccessToken是否有效
if (account == null || !ByPassword.IsTokenAvailable(account.AccessToken) || account.UserName != _config.UserSetting.Account)
{
await LoginByPassword();
return;
}
//判断AccessToken是否需要续期
if (account.Expires_AccessToken != DateTime.MinValue &&
account.Expires_AccessToken.AddDays(-7) < DateTime.Now)
{
DateTime?dt = ByPassword.RefreshToken(account.AccessToken, account.RefreshToken);
if (dt == null)
{
await LoginByPassword();
return;
}
account.Expires_AccessToken = dt.Value;
//更新
await WriteLoginDataToFile(account);
_account = account;
}
else
{
_account = account;
return;
}
}
catch (Exception ex)
{
throw new Exception($"Login to bilibili failed, login account is {_config.UserSetting.Account}. {ex.Message}", ex);
}
}