/// <summary>
/// 重新获取新 Cookies，如果是第一次调用本方法，会同时启用定时检测计时器
/// </summary>
public async Task Refresh()
{
if (!_checkTimer.Enabled)
{
_logger.Info($"#{BotSequenceNumber} Cookies check timer started.");
_checkTimer.Start();
}
if (string.IsNullOrWhiteSpace(WebApiUserNonce))
{
return;
}
// generate an AES session key
var sessionKey = CryptoHelper.GenerateRandomBlock(32);
// RSA encrypt it with the public key for the universe we're on
byte[] encryptedSessionKey;
using (var rsa = new RSACrypto(KeyDictionary.GetPublicKey(ConnectedUniverse)))
{
encryptedSessionKey = rsa.Encrypt(sessionKey);
}
var loginKey = new byte[20];
Array.Copy(Encoding.ASCII.GetBytes(WebApiUserNonce), loginKey, WebApiUserNonce.Length);
// AES encrypt the loginkey with our session key
var encryptedLoginKey = CryptoHelper.SymmetricEncrypt(loginKey, sessionKey);
try
{
await _retryPolicy.ExecuteAsync(async() =>
{
using (dynamic userAuth = WebAPI.GetAsyncInterface("ISteamUserAuth"))
{
KeyValue authResult =
await userAuth.AuthenticateUser(steamid: SteamId.ConvertToUInt64(),
sessionkey: HttpUtility.UrlEncode(encryptedSessionKey),
encrypted_loginkey: HttpUtility.UrlEncode(encryptedLoginKey),
method: "POST",
secure: true);
_cookieContainer.Add(new Cookie("sessionid",
Convert.ToBase64String(Encoding.UTF8.GetBytes(LoginKeyUniqueId.ToString())),
string.Empty,
"steamcommunity.com"));
_cookieContainer.Add(new Cookie("steamLogin", authResult["token"].AsString(),
string.Empty,
"steamcommunity.com"));
_cookieContainer.Add(new Cookie("steamLoginSecure", authResult["tokensecure"].AsString(),
string.Empty,
"steamcommunity.com"));
_logger.Info($"#{BotSequenceNumber} Cookies refreshed.");
}
});
}
catch (Exception e)
{
_logger.Warn($"#{BotSequenceNumber} Cookies refresh failed.", e);
}
}