public void Startup()
{
var nativeBluetoothAdapter = Helper.EnableBluetooth(this);
var androidBluetoothAdapter = new AndroidBluetoothAdapterFactory().Create(this, ApplicationContext, nativeBluetoothAdapter);
var prefs = Application.Context.GetSharedPreferences("CampfireChat", FileCreationMode.Private);
var userName = prefs.GetString("Name", null);
if (userName == null)
{
Globals.CampfireNetClient = CampfireNetClientBuilder.CreateNew()
.WithBluetoothAdapter(androidBluetoothAdapter)
.Build();
Helper.UpdateIdentity(prefs, Globals.CampfireNetClient.Identity);
}
else
{
var rsa = Helper.InitRSA(prefs);
var identity = new Identity(new IdentityManager(), rsa, userName);
var trustChain = prefs.GetString("TC", null);
if (trustChain != null)
{
identity.AddTrustChain(Helper.HexStringToByteArray(trustChain));
}
Globals.CampfireNetClient = CampfireNetClientBuilder.CreateNew()
.WithBluetoothAdapter(androidBluetoothAdapter)
.WithIdentity(identity).Build();
}
if (Globals.CampfireChatClient == null)
{
Globals.CampfireChatClient = CampfireChatClientFactory.Create(Globals.CampfireNetClient);
Globals.CampfireNetClient.RunAsync().Forget();
}
StartActivity(new Intent(Application.Context, typeof(MainActivity)));
}
public void Setup()
{
var nativeBluetoothAdapter = BluetoothAdapter.DefaultAdapter;
if (!nativeBluetoothAdapter.IsEnabled)
{
System.Console.WriteLine("Enabling bluetooth");
Intent enableBtIntent = new Intent(BluetoothAdapter.ActionRequestEnable);
StartActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
return;
}
var androidBluetoothAdapter = new AndroidBluetoothAdapterFactory().Create(this, ApplicationContext, nativeBluetoothAdapter);
var client = CampfireNetClientBuilder.CreateNew()
.WithDevelopmentNetworkClaims()
.WithBluetoothAdapter(androidBluetoothAdapter)
.Build();
var identity = client.Identity;
var sync = new object();
client.MessageReceived += e => {
lock (sync) {
var s = Encoding.UTF8.GetString(e.Message.DecryptedPayload, 0, e.Message.DecryptedPayload.Length);
uiDispatchHandler.ObtainMessage(LOG_MESSAGE, "RECV: " + s).SendToTarget();
}
};
generateButton.Click += (s, e) => {
var path = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
path = Path.Combine(path, $"trust_chain_{IdentityManager.GetIdentityString(identity.PublicIdentityHash)}.bin");
if (!File.Exists(path) && identity.TrustChain == null)
{
identity.GenerateRootChain();
using (var stream = new FileStream(path, FileMode.Create))
using (var writer = new BinaryWriter(stream)) {
writer.Write(TrustChainUtil.SerializeTrustChain(identity.TrustChain));
}
}
else
{
Toast.MakeText(ApplicationContext, "Trust chain already exists.", ToastLength.Short).Show();
}
};
sendButton.Click += (s, e) => {
var filename = $"trust_chain_{IdentityManager.GetIdentityString(identity.PublicIdentityHash)}.bin";
var path = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
path = Path.Combine(path, filename);
// TODO fix
if (!File.Exists(path))
{
Toast.MakeText(ApplicationContext, "Cannot find file in Download folder.", ToastLength.Short).Show();
return;
}
var tmpFolder = Environment.ExternalStorageDirectory.ToString();
var tmpFile = Path.Combine(tmpFolder, filename);
File.Copy(path, tmpFile, true);
var file = new Java.IO.File(tmpFile);
var uri = Android.Net.Uri.FromFile(file);
Intent email = new Intent(Intent.ActionSend);
email.SetType("message/rfc822");
email.PutExtra(Intent.ExtraSubject, "Trust chain addition");
email.PutExtra(Intent.ExtraStream, uri);
email.AddFlags(ActivityFlags.GrantReadUriPermission);
try {
StartActivityForResult(Intent.CreateChooser(email, "Send mail with: "), 0);
} catch (ActivityNotFoundException) {
Toast.MakeText(ApplicationContext, "There are no email clients installed.", ToastLength.Short).Show();
}
};
loadButton.Click += (s, e) => {
var path = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
path = Path.Combine(path, $"trust_chain_{IdentityManager.GetIdentityString(identity.PublicIdentityHash)}.bin");
if (!File.Exists(path))
{
Toast.MakeText(ApplicationContext, "Cannot find own trust chain file in Download folder.", ToastLength.Short).Show();
return;
}
byte[] data = File.ReadAllBytes(path);
try {
identity.AddTrustChain(data);
Toast.MakeText(ApplicationContext, "Successfully loaded trust chain.", ToastLength.Short).Show();
} catch (BadTrustChainException) {
Toast.MakeText(ApplicationContext, "Invalid trust chain found.", ToastLength.Short).Show();
}
};
clearButton.Click += (s, e) => {
var privateFolder = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
var files = Directory.GetFiles(privateFolder);
foreach (var file in files)
{
File.Delete(file);
}
//var path = Path.Combine(privateFolder, PRIVATE_KEY_FILE);
//identity.SaveKey(path);
};
sendTextButton.Click += (s, e) => {
var text = inputText.Text;
client.BroadcastAsync(Encoding.UTF8.GetBytes(text)).Forget();
inputText.Text = "";
};
client.RunAsync().Forget();
}
