private void TL_RpcError(TL.Object obj) {
int code = obj.getInt("error_code");
String msg = obj.getString("error_message");
Common.logError(String.format("rpc_error: %s (%d)\n", msg, code));
Message req_msg = TLMessage.get(req_msg_id);
if (req_msg == null) return;
Common.logError("message object: " + req_msg.obj.name + ":" + req_msg.obj.type);
int idx = msg.indexOf("_MIGRATE_");
if (idx > 0) {
String type = msg.substring(0, idx);
String num = msg.substring(idx + 9);
if ((idx = num.indexOf(":")) > 0) num = num.substring(0, idx);
int dc_id = Integer.parseInt(num);
Common.logError("redirect to dc: " + dc_id);
MTProto m = MTProto.getConnection(dc_id, cb, reuseFlag);
cb.onRedirect(m);
if (type.equals("PHONE") || type.equals("NETWORK") || type.equals("USER")) dc_this = dc_id;
m.sendMessage(req_msg);
}
}
private void TL_BadMsgNotification(TL.Object obj) {
int error_code = obj.getInt("error_code");
Message msg = TLMessage.get(obj.getLong("bad_msg_id"));
Common.logError("bad_msg: " + error_code + " " + msg.obj.name + ":" + msg.obj.type);
if (error_code == 16 || error_code == 17) {
time_delta = (int) ((cur_message_id >> 32) - Common.getUnixTime());
last_message_id = 0;
}
if (error_code == 32 || error_code == 33) {
Common.logError("cur seq: " + cur_msg_seq);
Common.logError("old seq: " + seqno);
if (!bad_seq) {
session = GEN_session_id();
seqno = 0;
send_ping();
bad_seq = true;
}
// seqno = cur_msg_seq + (cur_msg_seq % 2) + 100;
// session = GEN_session_id();
// seqno = 0;
}
if (obj.id == 0xedab447b) { // bad_server_salt
server_salt = obj.getLong("new_server_salt");
dcState.set("server_salt", server_salt);
}
retry(obj.getLong("bad_msg_id"));
}
private void send_client_DH_inner_data(long retry_id) {
byte[] b_data = new byte[256];
Common.random.nextBytes(b_data);
BigInteger b = new BigInteger(1, b_data);
BigInteger g_b = g.modPow(b, dh_prime);
Common.logError(
"g_b length: " + g_b.toByteArray().length + " -> " + Common.toBytes(g_b).length);
BigInteger akey = g_a.modPow(b, dh_prime);
Common.logError("auth_key: " + akey.toString());
setAuthKey(Common.toBytes(akey));
// gen data (client_DH_inner_data)
TL.Object data_obj = TL.newObject("client_DH_inner_data", cl_nonce, sv_nonce, retry_id, g_b);
byte[] data = data_obj.serialize();
byte[] hash = Common.getSHA1(data);
byte[] data_with_hash = new byte[(hash.length + data.length + 15) / 16 * 16];
System.arraycopy(hash, 0, data_with_hash, 0, hash.length);
System.arraycopy(data, 0, data_with_hash, hash.length, data.length);
// send set_client_DH_params
TL.Object req_obj =
TL.newObject("set_client_DH_params", cl_nonce, sv_nonce, aes.IGE(data_with_hash, true));
send(req_obj, false, false);
}
public void onReceive(ByteBuffer b) {
if (b.remaining() == 4) {
Common.logError("invalid packet:");
byte[] data = new byte[b.remaining()];
b.get(data);
Common.print_dump(data);
// retry( TLMessage.keyAt( TLMessage.size() - 1) );
return;
}
try {
if (b.getLong() == 0) { // auth_key_id
b.getLong(); // message_id
b.getInt(); // message length
process(TL.deserialize(b));
} else {
byte[] msg_key = new byte[16];
b.get(msg_key);
byte[] data = new byte[b.remaining()];
b.get(data);
synchronized (aes) {
aes.prepare(false, msg_key, auth_key);
data = aes.IGE(data, false);
}
ByteBuffer btmp = ByteBuffer.wrap(data);
btmp.order(ByteOrder.LITTLE_ENDIAN);
server_salt = btmp.getLong();
btmp.getLong(); // session_id
cur_message_id = btmp.getLong(); // message_id
cur_msg_seq = btmp.getInt(); // seq_no
// if (cur_msg_seq > seqno)
// seqno = cur_msg_seq + cur_msg_seq % 2;
int bsize = btmp.getInt();
if (bsize < 0 || bsize > 1024 * 1024) {
Common.print_dump(btmp.array());
Common.logError(new String(btmp.array()));
Common.logError("FFFUUUUUUUUUUU!!!");
}
b = BufferAlloc(bsize);
btmp.get(b.array());
b.getInt();
ack_message(cur_msg_seq, cur_message_id);
b.position(0);
process(TL.deserialize(b));
send_accept();
}
} catch (Exception e) {
e.printStackTrace();
}
}
public void retry(long message_id) {
Common.logError("retry");
Message msg = TLMessage.get(message_id);
if (msg == null) return;
TLMessage.delete(message_id);
sendMessage(msg);
}
public void onAuthorized() {
dcState.set("auth_key", auth_key);
dcState.set("server_salt", server_salt);
long upd_delta = (long) Common.getUnixTime() - (long) dc_date;
if (Main.mtp == this && upd_delta > 5 * 60) api_help_getConfig();
if (!bind && this != Main.mtp) {
final MTProto m = this;
Common.logError("exportAuthorization");
Main.mtp.api(
new TL.OnResultRPC() {
@Override
public void onResultRPC(TL.Object result, Object param, boolean error) {
if (!error) return;
if (result.id != 0xdf969c2d) return; // auth.ExportedAuthorization
Common.logError("importAuthorization");
m.api(
null,
null,
"auth.importAuthorization",
result.getInt("id"),
result.getBytes("bytes"));
}
},
null,
"auth.exportAuthorization",
dcState.getInt("id"));
return;
}
if (bind) cb.onBind();
send_queue();
}
public static MTProto getConnection(int dc_id, MTProtoListener callback, int reuseFlag) {
MTProto m = getActiveMTP(dc_id, reuseFlag);
if (m != null) {
Common.logError("reuse");
return m;
}
m = new MTProto(dc_id, callback, reuseFlag);
mtp.add(m);
return m;
}
// MTProto
public MTProto(int dc_id, MTProtoListener callback, int reuseFlag) {
this.reuseFlag = reuseFlag;
cb = callback;
for (int i = 0; i < dcStates.size(); i++)
if (dcStates.get(i).getInt("id") == dc_id) {
dcState = dcStates.get(i);
// Common.hexStringToByteArray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
setAuthKey(dcState.getBytes("auth_key"));
bind = dcState.getBool("bind");
seqno = dcState.getInt("seqno");
session = dcState.getLong("session");
server_salt = dcState.getLong("server_salt");
Common.logError("session: " + session + " seqno: " + seqno);
connected = false;
Thread netThread = new Thread(transport = new TransportTCP(this, true));
netThread.setPriority(Thread.MIN_PRIORITY);
netThread.start();
return;
}
Common.logError("dc not found: " + dc_id);
}
public void setTyping(int chat_id, boolean isTyping) {
Common.logError(getTitle() + " is typing " + isTyping);
if (typing != isTyping) {
typing = isTyping;
if (typing) {
typing_time = Common.getUnixTime() + 6;
typing_chat_id = chat_id;
}
;
Dialog dialog =
chat_id != -1 ? Dialog.getDialog(-1, chat_id, true) : Dialog.getDialog(id, -1, true);
Main.main.updateDialogItem(dialog);
Main.main.updateUser(this);
}
}
public void invoke(String name, TL.Object obj) {
Method m;
try {
m = MTProto.class.getDeclaredMethod("TL_" + name.replace(".", "_"), TL.Object.class);
m.setAccessible(true);
} catch (Exception e) {
Common.logWarning("not handled: Main::" + name);
return;
}
try {
Common.logInfo("invoke: Main::" + name);
m.invoke(this, obj);
} catch (Exception e) {
Common.logError("invoke error in Main");
e.printStackTrace();
}
}
private void process(TL.Object obj) {
// if (obj instanceof TL.Vector)
// return;
Method m;
try {
m = MTProto.class.getDeclaredMethod("TL_" + obj.type.replace(".", "_"), TL.Object.class);
m.setAccessible(true);
} catch (Exception e) {
Common.logWarning("not handled: " + obj.type + " (" + obj.name + ")");
return;
}
try {
Common.logInfo("invoke: " + obj.type + " (" + obj.name + ")");
m.invoke(this, obj);
} catch (Exception e) {
Common.logError("process error");
e.printStackTrace();
}
}
public void TL_messages_Dialogs(TL.Object obj) {
User.addUsers(obj.getVector("users"));
Chat.addChats(obj.getVector("chats"));
// dialogs
TL.Vector dialogs = obj.getVector("dialogs");
for (int i = 0; i < dialogs.count; i++) {
TL.Object dobj = dialogs.getObject(i);
Dialog d = Dialog.getDialog(-1, dobj.getObject("peer"), true);
d.updating = true;
}
// messages
TL.Vector messages = obj.getVector("messages");
for (int i = 0; i < messages.count; i++)
cb.onMessage(messages.getObject(i), Dialog.MSG_HISTORY);
for (int i = 0; i < dialogs.count; i++) {
TL.Object dobj = dialogs.getObject(i);
Dialog d = Dialog.getDialog(-1, dobj.getObject("peer"), true);
if (dobj.getInt("top_message") == -7) // config_dialogs magic
d.noHistory = true;
d.unread_count = dobj.getInt("unread_count");
d.updating = false;
Main.main.updateDialog(d);
}
Common.logError("dialogs: " + Dialog.dialogs.size());
// slice
if (obj.name.equals("messages.dialogsSlice") && dialogs.count > 0) {
int limit = obj.getInt("count") - Dialog.dialogs.size();
if (limit > 0) api_messages_getDialogs(Dialog.dialogs.size(), 0, limit);
}
if (Main.main != null) Main.main.resetDialogs();
}
private void TL_ResPQ(TL.Object obj) {
sv_nonce = obj.getBytes("server_nonce");
BigInteger pq = new BigInteger(1, obj.getBytes("pq"));
TL.Vector v_fp = obj.getVector("server_public_key_fingerprints");
fp = v_fp.getLong(0);
Common.logError("pq: " + pq.toString());
// prime factorization for pq
BigInteger q = Common.rho(pq);
BigInteger p = pq.divide(q);
if (p.compareTo(q) > 0) {
BigInteger t = p;
p = q;
q = t;
}
SecureRandom rnd = new SecureRandom();
new_nonce = new byte[32];
rnd.nextBytes(new_nonce);
// generate encrypted_data
TL.Object data_obj = TL.newObject("p_q_inner_data", pq, p, q, cl_nonce, sv_nonce, new_nonce);
byte[] data = data_obj.serialize();
byte[] hash = Common.getSHA1(data);
byte[] data_with_hash = new byte[255];
System.arraycopy(hash, 0, data_with_hash, 0, hash.length);
System.arraycopy(data, 0, data_with_hash, hash.length, data.length);
GEN_random_bytes(data_with_hash, data.length + hash.length, 255);
byte[] encrypted_data = Common.RSA(RSA_MODULUS, RSA_EXPONENT, data_with_hash);
// req_DH_params
TL.Object req_obj = TL.newObject("req_DH_params", cl_nonce, sv_nonce, p, q, fp, encrypted_data);
send(req_obj, false, false);
}
public synchronized boolean sendMessage(Message msg) {
if (msg == null) return false;
if (!connected || (msg.encrypted && (auth_key == null || auth_key.length == 0)) || bad_seq) {
Common.logError("add to queue " + connected + " " + msg.encrypted);
TLMessageQueue.add(msg);
return false;
}
ByteBuffer b = null;
Common.logInfo("message send: " + msg.obj.name + ":" + msg.obj.type);
byte[] msg_data = msg.obj.serialize();
/*
if (msg_data.length > 255) {
Common.logError("compress...");
byte[] data = Common.gzipDeflate(msg_data); // TODO: compress message data
if (data.length < msg_data.length && data.length > 32)
msg_data = TL.newObject("gzip_packed", data).serialize();
}
*/
if (msg.encrypted) {
long message_id = GEN_message_id();
TLMessage.put(message_id, msg);
int size_real = 32 + msg_data.length;
int size_padding = (size_real + 15) / 16 * 16;
ByteBuffer p = BufferAlloc(size_padding);
p.putLong(server_salt);
p.putLong(session);
p.putLong(message_id);
if (msg.accept) seqno++;
p.putInt(seqno);
if (msg.accept) seqno++;
p.putInt(msg_data.length);
p.put(msg_data);
byte[] data = p.array();
GEN_random_bytes(data, p.position(), data.length);
// encrypt data
byte[] msg_key = Common.ASUB(Common.getSHA1(Common.ASUB(data, 0, size_real)), 4, 16);
synchronized (aes) {
aes.prepare(true, msg_key, auth_key);
data = aes.IGE(data, true);
}
// write encrypted packet
b = BufferAlloc(24 + data.length);
b.putLong(auth_key_id);
b.put(msg_key);
b.put(data);
} else {
b = BufferAlloc(20 + msg_data.length);
b.putLong(0);
b.putLong(GEN_message_id());
b.putInt(msg_data.length);
b.put(msg_data);
}
try {
synchronized (transport) {
transport.send(b.array());
return true;
}
} catch (Exception e) {
return false;
}
}
public void api_messages_getDialogs(int offset, int max_id, int limit) {
Common.logError("get dialogs: " + offset + " " + max_id + " " + limit);
api(null, null, "messages.getDialogs", offset, max_id, limit);
}
public void api_messages_getHistory(
TL.Object peer, int offset, int max_id, int limit, TL.OnResultRPC result) {
Common.logError("get history " + offset + " " + max_id + " " + limit);
api(result, limit, "messages.getHistory", peer, offset, max_id, limit);
}
public void getPhoto(ImageView img) {
final TL.Object location = getPhotoLocation();
img.setTag(location);
if (location == null) {
img.setImageResource(getDefPhoto());
return;
}
String path = FileQuery.exists(location);
if (path != null) {
Bitmap bmp = BitmapCache.get(path);
if (bmp != null) {
img.setImageBitmap(bmp);
return;
}
}
final WeakReference<ImageView> ref = new WeakReference<ImageView>(img);
try {
new FileQuery(
location,
null,
new FileQuery.OnResultListener() {
@Override
public void onResult(TL.Object result) {
ImageView img = ref.get();
if (img == null || img.getTag() != location) return;
final Bitmap bmp =
result != null
? BitmapCache.loadBitmap(
result.getString("fileName"),
Main.SIZE_THUMB_USER,
Main.SIZE_THUMB_USER,
true,
false,
true)
: BitmapFactory.decodeResource(Main.main.getResources(), getDefPhoto());
try {
img.post(
new Runnable() {
@Override
public void run() {
ImageView img = ref.get();
if (img == null || img.getTag() != location) return;
img.setImageBitmap(bmp);
}
});
} catch (Exception e) {
Common.logError("error loading bitmap");
e.printStackTrace();
}
}
@Override
public void onProgress(float progress) {}
});
} catch (Exception e) {
Common.logError("error query file");
e.printStackTrace();
}
}
public void auth() {
Common.logError("auth");
TL.Object req_pq = TL.newObject("req_pq", cl_nonce = GEN_random_bytes(16));
send(req_pq, false, false);
}