void OnLoginKey(SteamUser.LoginKeyCallback callback)
{
string SessionID = WebHelpers.EncodeBase64(callback.UniqueID.ToString());
using (dynamic userAuth = WebAPI.GetInterface("ISteamUserAuth"))
{
// generate an AES session key
var sessionKey = CryptoHelper.GenerateRandomBlock(32);
// rsa encrypt it with the public key for the universe we're on
byte[] cryptedSessionKey = null;
using (var rsa = new RSACrypto(KeyDictionary.GetPublicKey(Client.ConnectedUniverse)))
{
cryptedSessionKey = rsa.Encrypt(sessionKey);
}
byte[] loginKey = new byte[20];
Array.Copy(Encoding.ASCII.GetBytes(callback.LoginKey), loginKey, callback.LoginKey.Length);
// AES encrypt the loginkey with our session key.
byte[] cryptedLoginKey = CryptoHelper.SymmetricEncrypt(loginKey, sessionKey);
KeyValue authResult = null;
EResult result = EResult.OK;
try
{
authResult = userAuth.AuthenticateUser(
steamid: Client.SteamID.ConvertToUInt64(),
sessionkey: WebHelpers.UrlEncode(cryptedSessionKey),
encrypted_loginkey: WebHelpers.UrlEncode(cryptedLoginKey),
method: "POST"
);
}
catch (Exception)
{
result = EResult.Fail;
}
Login.SessionId = SessionID;
if (authResult != null)
{
Login.Token = authResult["token"].AsString();
}
this.Client.PostCallback(new WebLoggedOnCallback()
{
Result = result,
Login = Login
});
}
}
/// <summary>
/// Performs a login via the Steam web service API.
/// </summary>
public void LogOn(SteamUser.LoginKeyCallback details)
{
OnLoginKey(details);
}
