private void lstUsers_SelectedIndexChanged(object sender, EventArgs e)
{
var user = new DataContext().XUsers.Single(u => u.Username == (string)lstUsers.SelectedItem);
txtDescription.Text = user.Description;
txtUsername.Text = user.Username;
txtLastLogin.Text = user.LastLogin.ToString("dd-MM-yyyy HH:mm:ss");
btnDelete.Enabled = btnReset.Enabled = true;
}
private async void btnSave_Click(object sender, EventArgs e)
{
if (txtDescription.Text == string.Empty && txtDescription.Text.Length < 50)
{
MessageBox.Show(
"The description is a required property, it has to be between 1 and 50 characters long.",
"Description invalid",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
txtDescription.Focus();
return;
}
if (txtUsername.Text == string.Empty &&
txtUsername.Text.Length < 50 &&
txtUsername.Text.Length > 4)
{
MessageBox.Show(
"The username is a required property, it has to be between 4 and 50 characters long.",
"Username invalid",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
txtUsername.Focus();
return;
}
if (txtPassword.Text == string.Empty &&
txtPassword.Text.Length < 50 &&
txtPassword.Text.Length > 5)
{
MessageBox.Show(
"The password is a required property, it has to be between 5 and 50 characters long.",
"Password invalid",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
txtPassword.Focus();
return;
}
using (var ctx = new DataContext())
{
var hash = Convert.ToBase64String(new HMACSHA256(Encoding.Unicode.GetBytes(txtPassword.Text))
.ComputeHash(Encoding.Unicode.GetBytes(txtUsername.Text)));
ctx.XUsers.Add(new XUser()
{
Description = txtDescription.Text,
Username = txtUsername.Text.ToLower(),
Password = hash,
LastLogin = DateTime.Now
});
await ctx.SaveChangesAsync();
}
hasSaved = true;
this.Close();
}
private async void btnDelete_Click(object sender, EventArgs e)
{
if(MessageBox.Show(
"Are you sure you want to delete this user?",
"Delete user",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question) == DialogResult.Yes)
{
using(var ctx = new DataContext())
{
ctx.XUsers.Remove(ctx.XUsers.Single(u => u.Username == (string)lstUsers.SelectedItem));
await ctx.SaveChangesAsync();
}
frmUsers_Load(null, null);
}
}
private void frmUsers_Load(object sender, EventArgs e)
{
using(var ctx = new DataContext())
{
lstUsers.Items.Clear();
lstUsers.Items.AddRange(
ctx.XUsers.Select(u => u.Username).ToArray());
if (lstUsers.Items.Count > 0)
lstUsers.SelectedIndex = 0;
else
{
txtDescription.Text = txtUsername.Text = txtLastLogin.Text = string.Empty;
btnDelete.Enabled = btnReset.Enabled = false;
}
}
}
private async void btnReset_Click(object sender, EventArgs e)
{
if(txtPassword.Text != txtPasswordRepeat.Text)
{
MessageBox.Show(
"The passwords specified don't match. Please try again.",
"Passwords don't match",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
txtPassword.Clear();
txtPasswordRepeat.Clear();
txtPassword.Focus();
return;
}
if(txtPassword.Text.Length < 5 &&
txtPassword.Text.Length > 50)
{
MessageBox.Show(
"The password size is invalid, please use a password between 5 and 50 characters long.",
"Password size invalid",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
txtPassword.Clear();
txtPasswordRepeat.Clear();
txtPassword.Focus();
return;
}
using(var ctx = new DataContext())
{
var user = ctx.XUsers.Single(u => u.Username == this.username);
user.Password = Convert.ToBase64String(new HMACSHA256(Encoding.Unicode.GetBytes(txtPassword.Text))
.ComputeHash(Encoding.Unicode.GetBytes(this.username)));
ctx.XUsers.Attach(user);
ctx.Entry<XUser>(user).Property(p => p.Password).IsModified = true;
await ctx.SaveChangesAsync();
}
this.Close();
}
public async Task<Models.TokenResponse> Authenticate([FromBody] Models.TokenRequest request)
{
using (var ctx = new Data.DataContext())
{
var user = ctx.XUsers.SingleOrDefault(u => u.Username == request.Username);
if (user != null)
{
if (request.Signature == user.Password)
{
var token = ctx.XTokens.SingleOrDefault(t => t.Username == user.Username);
if (token != null)
{
return new Models.TokenResponse()
{
Token = token.Token
};
}
else
{
token = new Data.XToken()
{
Username = user.Username,
Token = (Guid.NewGuid().ToString() + Guid.NewGuid().ToString()).Replace("-", "").ToLower(),
Created = DateTime.Now
};
ctx.XTokens.Add(token);
await ctx.SaveChangesAsync();
return new Models.TokenResponse()
{
Token = token.Token
};
}
}
else
{
Program.cfgForm.Log(string.Format("Failed authorization attempt on {0}", Request.RequestUri.ToString()));
throw new Exception("The authorization failed. Check the signature, it should consist out of the username signed with the pasword.");
}
}
else
{
Program.cfgForm.Log(string.Format("Failed authorization attempt on {0}", Request.RequestUri.ToString()));
throw new Exception("The authorization failed. This user does not exist.");
}
}
}
private void CommitSetting(DataContext ctx, string key, string value)
{
var setting = ctx.Settings.SingleOrDefault(s => s.Key == key);
if (setting != null)
{
setting.Value = value;
ctx.Settings.Attach(setting);
ctx.Entry<Setting>(setting).Property(p => p.Value).IsModified = true;
}
else
ctx.Settings.Add(new Setting()
{
Key = key,
Value = value
});
}
private async void SaveSettings()
{
using (var ctx = new DataContext())
{
CommitSetting(ctx, "txtFolder", txtFolder.Text);
CommitSetting(ctx, "txtIP", txtIP.Text);
CommitSetting(ctx, "txtPort", txtPort.Text);
CommitSetting(ctx, "txtSteam", txtSteam.Text);
CommitSetting(ctx, "txtHttpPort", txtHttpPort.Value.ToString());
CommitSetting(ctx, "SelectedHttp",
rbLocalhost.Checked ? "local" : rbIPAddress.Checked ? "IP" : "DNS");
if (rbIPAddress.Checked)
CommitSetting(ctx, "cbIP", (string)cbIPAddress.SelectedItem);
if (rbDNS.Checked)
CommitSetting(ctx, "txtDNS", txtDNS.Text);
CommitSetting(ctx, "SelectedAuth",
rbAnon.Checked ? "anonymous" : "XAuth");
await ctx.SaveChangesAsync();
}
}
private void frmConfig_Load(object sender, System.EventArgs e)
{
cbIPAddress.Items.Clear();
NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface adapter in adapters)
foreach (IPAddressInformation uniCast in adapter.GetIPProperties().UnicastAddresses)
if (!IPAddress.IsLoopback(uniCast.Address) && uniCast.Address.AddressFamily != AddressFamily.InterNetworkV6)
cbIPAddress.Items.Add(uniCast.Address.ToString());
cbIPAddress.SelectedIndex = 0;
using (var ctx = new DataContext())
{
var settings = ctx.Settings.ToList();
var setting = settings.SingleOrDefault(s => s.Key == "txtFolder");
if (setting != null)
txtFolder.Text = setting.Value;
setting = settings.SingleOrDefault(s => s.Key == "txtIP");
if (setting != null)
txtIP.Text = setting.Value;
setting = settings.SingleOrDefault(s => s.Key == "txtPort");
if (setting != null)
txtPort.Text = setting.Value;
setting = settings.SingleOrDefault(s => s.Key == "txtSteam");
if (setting != null)
txtSteam.Text = setting.Value;
setting = settings.SingleOrDefault(s => s.Key == "txtHttpPort");
if (setting != null)
txtHttpPort.Value = System.Convert.ToInt32(setting.Value);
setting = settings.SingleOrDefault(s => s.Key == "SelectedHttp");
if (setting != null)
{
if (setting.Value == "local")
{
rbLocalhost.Checked = true;
rbIPAddress.Checked = rbDNS.Checked = false;
}
if (setting.Value == "IP")
{
rbIPAddress.Checked = true;
rbLocalhost.Checked = rbDNS.Checked = false;
setting = settings.SingleOrDefault(s => s.Key == "cbIP");
if (setting != null)
for (var i = 0; i < cbIPAddress.Items.Count; i++)
if ((string)cbIPAddress.Items[i] == setting.Value)
{
cbIPAddress.SelectedIndex = i;
break;
}
}
if (setting.Value == "DNS")
{
rbDNS.Checked = true;
rbLocalhost.Checked = rbIPAddress.Checked = false;
setting = settings.SingleOrDefault(s => s.Key == "txtDNS");
if (setting != null)
txtDNS.Text = setting.Value;
}
}
setting = settings.SingleOrDefault(s => s.Key == "SelectedAuth");
if (setting != null)
{
if (setting.Value == "anonymous")
{
rbAnon.Checked = true;
rbXAuth.Checked = false;
}
if (setting.Value == "XAuth")
{
rbXAuth.Checked = true;
rbAnon.Checked = false;
}
}
}
}