public int Register(string username, string password, byte[] hwid, string key) // Require a key on activation to prevent spam
{
try
{
if (Array.Exists(File.ReadAllLines("BannedHWIDs.txt"), x => x == Encoding.UTF8.GetString(hwid)))
{
return(clsResults.BANNED);
}
clsKeys keys = frmMain.ReadXML <clsKeys>("keys.xml");
clsKeyEntry thisKey = keys.lKeys.Find(x => x.sKey == key);
if (thisKey == default(clsKeyEntry))
{
return(clsResults.INVALID_KEY);
}
if (File.Exists(string.Format("Clients\\{0}.xml", username)))
{
return(clsResults.ERR_USER_EXISTS);
}
clsClient client = new clsClient();
clsUsedKey thisUsedKey = new clsUsedKey()
{
sKey = thisKey.sKey, iValidFor = thisKey.iValidFor, dtActivation = DateTime.Now
};
client.sUsername = username;
client.bHWID = hwid;
client.lHistory = new List <clsUsedKey>();
client.lHistory.Add(thisUsedKey);
client.bPassword = SHA256.Create().ComputeHash(Encoding.UTF8.GetBytes(password));
isLoggedIn = true;
isExpired = false;
thisClient = client;
keys.lKeys.Remove(thisKey);
this.thisKey = thisUsedKey;
lock (frmMain.xmlLock)
frmMain.WriteXML(keys, "keys.xml");
UpdateInfo();
return(frmMain.WriteXML(client, string.Format("Clients\\{0}.xml", username)) ? clsResults.SUCCESS : clsResults.UNKNOWN_ERROR);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
MessageBox.Show(ex.StackTrace);
return(clsResults.UNKNOWN_ERROR);
}
}
public int Login(string username, string password, byte[] hwid)
{
try
{
if (Array.Exists(File.ReadAllLines("BannedHWIDs.txt"), x => x == Encoding.UTF8.GetString(hwid)))
{
return(clsResults.BANNED);
}
if (isLoggedIn)
{
if (isExpired)
{
return(clsResults.SUCCESS_EXPIRED);
}
else
{
return(clsResults.SUCCESS);
}
}
if (!File.Exists(string.Format("Clients\\{0}.xml", username)))
{
return(clsResults.INVALID_USERNAME);
}
clsClient client = frmMain.ReadXML <clsClient>(string.Format("Clients\\{0}.xml", username));
if (!SHA256.Create().ComputeHash(Encoding.UTF8.GetBytes(password)).SequenceEqual(client.bPassword))
{
return(clsResults.INVALID_PASSWORD);
}
if (!hwid.SequenceEqual(client.bHWID))
{
return(clsResults.HWID_MISMATCH);
}
isLoggedIn = true;
thisClient = client;
foreach (clsUsedKey uKey in client.lHistory)
{
if (DateTime.Now.CompareTo(uKey.dtActivation.Add(new TimeSpan(uKey.iValidFor, 0, 0, 0))) <= 0)
{
isExpired = false;
thisKey = uKey;
UpdateInfo();
return(clsResults.SUCCESS);
}
}
isExpired = true;
UpdateInfo();
return(clsResults.SUCCESS_EXPIRED);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
MessageBox.Show(ex.StackTrace);
return(clsResults.UNKNOWN_ERROR);
}
}
