public static async void HandleProofResponse(ProofResponse proofResponse, AuthSession session)
{
for (int i = 0; i < proofResponse.ModuleCount; i++)
{
if (proofResponse.State == PasswordModuleState.ClientChallenge)
{
if (session.GameAccount == null && session.GameAccounts?.Count > 1)
{
session.GameAccount = session.GameAccounts.SingleOrDefault(ga =>
ga.Game + ga.Index == proofResponse.GameAccountGame &&
ga.Region == proofResponse.GameAccountRegion);
var proofRequest = new ProofRequest { AccountRegion = session.Account.Region };
proofRequest.Modules.Add(new RiskFingerprintModule
{
AccountRegion = proofRequest.AccountRegion,
Data = Manager.ModuleMgr.Modules.SingleOrDefault(m => m.Name == "RiskFingerprint" && m.System == session.Platform)
});
await session.Send(proofRequest);
return;
}
else
session.GameAccount = session.GameAccounts[0];
if (session.GameAccount == null)
await SendAuthComplete(true, AuthResult.NoGameAccount, session);
else if (!session.GameAccount.IsOnline)
{
await SendAuthComplete(false, AuthResult.GlobalSuccess, session);
session.GameAccount.IsOnline = true;
}
}
else if (proofResponse.State == PasswordModuleState.ClientProof)
{
session.SecureRemotePassword.CalculateU(proofResponse.A);
session.SecureRemotePassword.CalculateClientM(proofResponse.A);
if (session.SecureRemotePassword.ClientM.Compare(proofResponse.M1))
{
session.SecureRemotePassword.CalculateServerM(proofResponse.M1);
// Assign valid game accounts for the account
if (session.Account.GameAccounts != null)
session.GameAccounts = session.Account.GameAccounts.Where(ga => ga.Game == session.Program).ToList();
await SendProofValidation(session, proofResponse.ClientChallenge);
}
else
await SendAuthComplete(true, AuthResult.BadLoginInformation, session);
}
}
}
public static async Task SendProofRequest(AuthSession session)
{
session.SecureRemotePassword = new SRP6a(session.Account.Salt, session.Account.Email, session.Account.PasswordVerifier);
session.SecureRemotePassword.CalculateB();
var proofRequest = new ProofRequest { AccountRegion = session.Account.Region };
var thumbprintModule = new ThumbprintModule
{
AccountRegion = proofRequest.AccountRegion,
Data = Manager.ModuleMgr.Modules.SingleOrDefault(m => m.Name == "Thumbprint" && m.System == session.Platform),
};
thumbprintModule.ModuleData = thumbprintModule.Data.Data.ToByteArray();
proofRequest.Modules.Add(thumbprintModule);
proofRequest.Modules.Add(new PasswordModule
{
AccountRegion = proofRequest.AccountRegion,
Data = Manager.ModuleMgr.Modules.SingleOrDefault(m => m.Name == "Password" && m.System == session.Platform),
SecureRemotePassword = session.SecureRemotePassword,
State = PasswordModuleState.ServerChallenge
});
await session.Send(proofRequest);
}
public static async Task SendProofValidation(AuthSession session, byte[] clientChallenge)
{
var proofRequest = new ProofRequest { AccountRegion = session.Account.Region };
proofRequest.Modules.Add(new PasswordModule
{
Data = Manager.ModuleMgr.Modules.SingleOrDefault(m => m.Name == "Password" && m.System == session.Platform),
State = PasswordModuleState.ValidateProof,
AccountRegion = proofRequest.AccountRegion,
SecureRemotePassword = session.SecureRemotePassword,
Size = 161
});
/// SelectGameAccount module
if (session.GameAccounts?.Count > 1)
{
var gameAccountBuffer = new AuthPacket();
gameAccountBuffer.Write(0, 8);
gameAccountBuffer.Write(session.GameAccounts.Count, 8);
session.GameAccounts.ForEach(ga =>
{
gameAccountBuffer.Write(ga.Region, 8);
gameAccountBuffer.WriteString(ga.Game + ga.Index, 8, false);
});
gameAccountBuffer.Finish();
proofRequest.Modules.Add(new SelectGameAccountModule
{
Data = Manager.ModuleMgr.Modules.SingleOrDefault(m => m.Name == "SelectGameAccount" && m.System == session.Platform),
AccountRegion = proofRequest.AccountRegion,
GameAccountData = gameAccountBuffer.Data,
Size = (uint)gameAccountBuffer.Data.Length
});
}
else
proofRequest.Modules.Add(new RiskFingerprintModule
{
Data = Manager.ModuleMgr.Modules.SingleOrDefault(m => m.Name == "RiskFingerprint" && m.System == session.Platform)
});
await session.Send(proofRequest);
}
