@SuppressLint("ResourceAsColor")
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view = convertView;
ViewHolder holder = new ViewHolder();
// Setting image for stamp
if (view == null) {
holder = new ViewHolder();
view = mLayoutInflater.inflate(R.layout.item, null);
holder.txtSender = (TextView) view.findViewById(R.id.txt_sender);
holder.txtMessage = (TextView) view.findViewById(R.id.txt_message);
holder.wrapper = (LinearLayout) view.findViewById(R.id.wrapper);
view.setTag(holder);
} else {
holder = (ViewHolder) view.getTag();
}
Message message = mMessages.get(position);
if (message == null) return view;
holder.txtMessage.setText("");
// holder.txtSender.setText("");
holder.txtSender.setText(message.getSender() + ":");
if (message.isMine()) {
holder.txtSender.setVisibility(View.INVISIBLE);
} else {
holder.txtSender.setVisibility(View.VISIBLE);
}
holder.txtMessage.setText(message.getMessage());
holder.txtMessage.setBackgroundResource(
message.isMine() ? R.drawable.bubble_green : R.drawable.bubble_yellow);
holder.wrapper.setGravity(message.isMine() ? Gravity.RIGHT : Gravity.LEFT);
return view;
}
/**
* if this method return null the message is rejected and should be dumped.
*
* @param currentMessage
* @return
*/
public final Message setCurrentMessage(Message currentMessage) {
this.currentMessage = currentMessage;
if (!controller.isControlling(currentMessage.getSender())
&& !SYS_TERMINATION_MESSAGE.equals(currentMessage.getName())) {
messageCount[controller.pid()]++;
}
return beforeMessageProcessing(currentMessage);
}
/** Handle internal commands */
private void internalCommand(ObjectConnection oc, Message message, String command, String data) {
if (command.equals("CONNECT_DEL")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.removeConnectInfo(message.getSender());
} else if (command.equals("CONNECT_GET")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.getConnectInfo(data, oc);
} else if (command.equals("CONNECT_LIST")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.getUserList(oc);
} else if (command.equals("PLUGIN_LIST")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.sendPluginList(oc, message.getSender().getName());
} else if (command.equals("PLUGIN_GET")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.sendPlugin(oc, data);
} else if (command.equals("STARTUP_PLUGINS")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.getStartupPlugin(oc, message.getSender().getName());
} else {
try {
oc.write("FAILED Unknown command");
} catch (Exception e) {
}
}
}
/**
* The format looks as follows:
*
* <p>32bit p2p version - 32bit id - 4bit message type - 4bit message name - 160bit sender id -
* 16bit tcp port - 16bit udp port - 160bit recipient id - 16bit (4x4)content type - 8bit network
* address information. It total, the header is of size 56 bytes.
*
* @param buffer The Netty buffer to fill
* @param message The message with the header that will be serialized
* @return The buffer passed as an argument
*/
public static ChannelBuffer encodeHeader(final ChannelBuffer buffer, final Message message) {
buffer.writeInt(message.getVersion()); // 4
buffer.writeInt(message.getMessageId()); // 8
buffer.writeByte((message.getType().ordinal() << 4) | message.getCommand().ordinal()); // 9
buffer.writeBytes(message.getSender().getID().toByteArray()); // 29
buffer.writeShort((short) message.getSender().portTCP()); // 31
buffer.writeShort((short) message.getSender().portUDP()); // 33
buffer.writeBytes(message.getRecipient().getID().toByteArray()); // 53
final int content =
((message.getContentType4().ordinal() << 12)
| (message.getContentType3().ordinal() << 8)
| (message.getContentType2().ordinal() << 4)
| message.getContentType1().ordinal());
buffer.writeShort((short) content); // 55
// options
int options = (message.getSender().getOptions() << 4) | message.getOptions();
buffer.writeByte(options); // 56
return buffer;
}
public String insertMessage(Message message) throws SQLException {
String r = "New message inserted!";
if (isFriend(
message.getSender(),
message.getReceiver())) { // Check if the sender and receiver are friends
try {
// creates a SQL Statement object in order to execute the SQL insert command
stmt = conn.createStatement();
stmt.execute(
"INSERT INTO MESSAGES (Sender, Receiver, Text, DateMsg, TimeMsg, IsDelivered ) "
+ "VALUES ("
+ getProfileID(message.getSender())
+ ", "
+ getProfileID(message.getReceiver())
+ ", '"
+ message.getText()
+ "' , '"
+ message.getDateMsg()
+ "' , '"
+ message.getTimeMsg()
+ "',"
+ message.isDelivered()
+ ")");
stmt.close();
// System.out.println("Requête executée");
} catch (SQLException e) {
// System.err.println(e.toString());
r = e.toString();
throw e;
}
return r;
} else {
return "WARNING : Can't insert message in database : the sender and receiver are not friends !";
}
}
/** Tests Message class. */
@Test
public void messageTest() {
Message message = new Message();
message = new Message("xml", this, MessageDirection.OUTBOUND);
message.setCreationTime(new LocalDateTime());
message.setSender("sender");
message.setReceiver("receiver");
message.setContentHash(null);
assertNotNull(message.getCreationTime());
assertEquals("sender", message.getSender());
assertEquals("receiver", message.getReceiver());
assertEquals(0, message.getContentHash().length);
message.setContentHash(new byte[0]);
assertEquals(0, message.getContentHash().length);
}
/**
* Deletes the message with the given ID if the user has the rights
*
* @param id message id
* @return String containing the status of the deletion
*/
public String delete_message(int id) {
try {
Query q = em.createQuery("SELECT m FROM Message m where m.msgID = :id");
q.setParameter("id", id);
Message m = (Message) q.getSingleResult();
if (!(dm.lookupRights().compareTo("admin") == 0)) {
if (!(dm.lookupUserName().compareTo(m.getSender()) == 0)
&& m.getStatus().compareTo("bcast") == 0) return "You do not have the rights to delete";
if (!(dm.lookupUserName().compareTo(m.getReceiver()) == 0)
&& !(m.getStatus().compareTo("bcast") == 0))
return "You do not have the rights to delete";
}
Query q1 = em.createQuery("DELETE FROM Message x where x.msgID = :id");
q1.setParameter("id", id);
q1.executeUpdate();
return "Message deleted successfuly";
} catch (Exception e) {
return "WRONG MESSAGE ID";
}
}
/**
* Handles a message. Knows type "collectiveUpdate-"+name only. It is the responsibility of the
* owner to propagate messages of this type using this method.
*/
public boolean handleMessage(Message m, Object o) {
if (!shouldLive || !m.getType().equals("collectiveUpdate-" + name)) return false;
final String logSender = observer + "#collectiveUpdate";
Logger.debug(logSender, "Update from " + m.getSender());
/**/
if (!m.getRecipient().name.equals(contributor.getName()))
Logger.warning(
logSender,
"Recipient and my contributor are not the same:\n"
+ "Recipient: "
+ m.getRecipient().name
+ "\n"
+ "Contributor: "
+ contributor.getName(),
null);
/**/
Collective c = (Collective) o;
// --- reset array representations
cacheCollection = null;
commandCollection = null;
// --- remove possible garbage
cache.remove(m.getRecipient().name);
c.cache.remove(m.getRecipient().name);
cache.remove(m.getSender().name);
c.cache.remove(m.getSender().name);
// --- sending our contributions
if (contributor == null)
Logger.warning(logSender, "Non-contributor observer is known by " + m.getSender(), null);
updateLocalInfo();
m.setReply(this);
// --- update containers
repairSenderAddress(c, m.getSender());
merge(c);
observer.collectiveUpdated((ContributionBox) cache.get(m.getSender().name));
return true;
}
public void run() {
String messageString;
long lastActivity = System.currentTimeMillis();
while (keeprunning) {
try {
if (in.ready()) {
messageString = in.readLine();
if (messageString == null) continue;
Message m = new Message(messageString);
if (m.getCommand().matches("\\d+"))
try {
int intcommand = Integer.parseInt(m.getCommand());
if (intcommand == Constants.RPL_ENDOFMOTD) {
System.err.println("MOTD SEEN, must be connected.");
if (connected) joinChannels();
connected = true;
} else if (intcommand == Constants.ERR_NICKNAMEINUSE) {
System.err.println("NICKNAMEINUSE");
namecount++;
BotStats.getInstance().setBotname(botdefaultname + namecount);
new Message("", "NICK", BotStats.getInstance().getBotname(), "").send();
new Message(
"",
"USER",
BotStats.getInstance().getBotname()
+ " nowhere.com "
+ BotStats.getInstance().getServername(),
BotStats.getInstance().getClientName()
+ " v."
+ BotStats.getInstance().getVersion())
.send();
System.err.println("Setting nick to:" + botdefaultname + namecount);
}
} catch (NumberFormatException nfe) {
// we ignore this
System.err.println("Unknown command:" + m.getCommand());
}
if (m.getCommand().equals("PING")) {
outqueue.add(new Message("", "PONG", "", m.getTrailing()));
if (debug) System.out.println("PUNG at " + new Date());
} else if (BotStats.getInstance().containsIgnoreName(m.getSender())) {
if (debug) System.out.println("Ignored: " + m);
} else {
inqueue.add(m); // add to inqueue
if (debug) System.out.println(m.toString());
// System.out.println("Inbuffer: prefix: " + m.prefix + " params: " + m.params + "
// trailing:"
// + m.trailing + " command:" + m.command + " sender: " + m.sender + "\n "
// + "isCTCP:" + m.isCTCP + " isPrivate:" + m.isPrivate + " CTCPCommand:" +
// m.CTCPCommand
// + " CTCPMessage:" + m.CTCPMessage);
}
lastActivity = System.currentTimeMillis();
} else {
if (System.currentTimeMillis() - lastActivity > 400000) {
System.err.println("400 seconds since last activity! Attempting reconnect");
in.close();
oh.disconnect();
keeprunning = false;
reconnect();
return;
}
sleep(100);
}
} catch (IOException ioe) {
System.out.println("EOF on connection: " + ioe.getMessage());
} catch (InterruptedException ie) {
System.out.println("Interrupted: " + ie.getMessage());
} catch (Exception e) {
System.err.println("Unexpected exception in InputHandler :");
e.printStackTrace();
}
}
}
/**
* Creates a message Id. If the message is a request, the peer address is the sender, otherwise
* its the recipient. This is due to the fact that depending on the direction, peer address may
* change, but its still considered the same message.
*
* @param message The message
*/
public MessageID(final Message message) {
this(
message.getMessageId(), message.isRequest() ? message.getSender() : message.getRecipient());
}
/**
* Decodes the payload from a Netty buffer in a big switch
*
* @param content The content type
* @param buffer The buffer to read from
* @param message The message to store the results
* @throws IndexOutOfBoundsException If a buffer is read beyond its limits
* @throws NoSuchAlgorithmException
* @throws SignatureException
* @throws InvalidKeyException
* @throws InvalidKeySpecException
* @throws InvalidKeySpecException
* @throws IOException
* @throws DecoderException
* @throws ASN1Exception
* @throws UnsupportedEncodingException If UTF-8 is not there
*/
public static boolean decodePayload(
final Content content, final ChannelBuffer buffer, final Message message)
throws InvalidKeyException, SignatureException, NoSuchAlgorithmException,
InvalidKeySpecException, IOException, DecoderException {
final int len;
byte[] me;
switch (content) {
case KEY:
if (buffer.readableBytes() < 20) return false;
message.setKey0(readID(buffer));
return true;
case KEY_KEY:
if (buffer.readableBytes() < 40) return false;
message.setKeyKey0(readID(buffer), readID(buffer));
return true;
case MAP_KEY_DATA:
if (buffer.readableBytes() < 4) return false;
int size = buffer.readInt();
Map<Number160, Data> result = new HashMap<Number160, Data>(size);
for (int i = 0; i < size; i++) {
if (buffer.readableBytes() < 20) return false;
Number160 key = readID(buffer);
final Data data = decodeData(new ChannelDecoder(buffer), message.getSender());
if (data == null) return false;
if (message.isRequest()) {
if (data.isProtectedEntry() && message.getPublicKey() == null)
throw new DecoderException(
"You indicated that you want to protect the data, but you did not provide or provided too late a public key.");
data.setPublicKey(message.getPublicKey());
}
result.put(key, data);
}
message.setDataMap0(result);
return true;
case MAP_KEY_KEY:
if (buffer.readableBytes() < 4) return false;
len = buffer.readInt();
if (buffer.readableBytes() < ((20 + 20) * len)) return false;
final Map<Number160, Number160> keyMap = new HashMap<Number160, Number160>();
for (int i = 0; i < len; i++) {
final Number160 key1 = readID(buffer);
final Number160 key2 = readID(buffer);
keyMap.put(key1, key2);
}
message.setKeyMap0(keyMap);
return true;
case SET_KEYS:
// can be 31bit long ~ 2GB
if (buffer.readableBytes() < 4) return false;
len = buffer.readInt();
if (buffer.readableBytes() < (20 * len)) return false;
final Collection<Number160> tmp = new ArrayList<Number160>(len);
for (int i = 0; i < len; i++) {
Number160 key = readID(buffer);
tmp.add(key);
}
message.setKeys0(tmp);
return true;
case SET_NEIGHBORS:
if (buffer.readableBytes() < 1) return false;
len = buffer.readUnsignedByte();
if (buffer.readableBytes() < (len * PeerAddress.SIZE_IPv4)) return false;
final Collection<PeerAddress> neighbors = new ArrayList<PeerAddress>(len);
for (int i = 0; i < len; i++) {
PeerAddress peerAddress = readPeerAddress(buffer);
if (peerAddress == null) return false;
neighbors.add(peerAddress);
}
message.setNeighbors0(neighbors);
return true;
case SET_TRACKER_DATA:
if (buffer.readableBytes() < 1) return false;
len = buffer.readUnsignedByte();
if (buffer.readableBytes() < (len * (PeerAddress.SIZE_IPv4 + 1))) return false;
final Collection<TrackerData> trackerDatas = new ArrayList<TrackerData>(len);
for (int i = 0; i < len; i++) {
PeerAddress peerAddress = readPeerAddress(buffer);
if (peerAddress == null) return false;
byte[] attachment = null;
int offset = 0;
int length = 0;
if (buffer.readableBytes() < 1) return false;
byte miniHeader = buffer.readByte();
if (miniHeader != 0) {
if (buffer.readableBytes() < 4) return false;
length = buffer.readInt();
if (buffer.readableBytes() < length) return false;
attachment = new byte[length];
buffer.readBytes(attachment);
}
trackerDatas.add(
new TrackerData(peerAddress, message.getSender(), attachment, offset, length));
}
message.setTrackerData0(trackerDatas);
return true;
case CHANNEL_BUFFER:
if (buffer.readableBytes() < 4) return false;
len = buffer.readInt();
if (buffer.readableBytes() < len) return false;
// you can only use slice if no execution handler is in place,
// otherwise, you will overwrite stuff
final ChannelBuffer tmpBuffer = buffer.slice(buffer.readerIndex(), len);
buffer.skipBytes(len);
message.setPayload0(tmpBuffer);
return true;
case LONG:
if (buffer.readableBytes() < 8) return false;
message.setLong0(buffer.readLong());
return true;
case INTEGER:
if (buffer.readableBytes() < 4) return false;
message.setInteger0(buffer.readInt());
return true;
case PUBLIC_KEY:
case PUBLIC_KEY_SIGNATURE:
if (buffer.readableBytes() < 2) return false;
len = buffer.readUnsignedShort();
me = new byte[len];
if (buffer.readableBytes() < len) return false;
message.setPublicKey0(decodePublicKey(new ChannelDecoder(buffer), me));
if (content == Content.PUBLIC_KEY_SIGNATURE) {
message.setHintSign(true);
}
return true;
case EMPTY:
case RESERVED1:
case RESERVED2:
case RESERVED3:
default:
return true;
}
}
/** {@inheritDoc} */
@Override
public void send(Message msg) throws IllegalArgumentException, IOException {
// Sanity checks
if (msg.getTo() == null || msg.getSubject() == null || msg.getBody() == null) {
throw new IllegalArgumentException("Message has no destination or no subject");
}
ArrayList<String> cmd = new ArrayList<String>();
// mailx -b bcc -c cc -s subj to-addr to-addr
cmd.add(mailer);
if (msg.getBcc() != null) {
cmd.add("-b");
cmd.add(join(msg.getBcc(), ","));
}
if (msg.isHtml()) {
cmd.add("-a");
cmd.add("Content-type: text/html;");
}
if (msg.getCc() != null) {
cmd.add("-c");
cmd.add(join(msg.getCc(), ","));
}
cmd.add("-s");
cmd.add(msg.getSubject());
cmd.addAll(msg.getTo());
if (msg.getSender() != null) {
// Sender in the headers:
cmd.add("-a");
cmd.add(String.format("From: %s", msg.getSender()));
// sendmail options are denoted with a double-hyphen
cmd.add("--");
// Envelope Sender
cmd.add("-f");
cmd.add(msg.getSender());
}
Log.i(LOG_TAG, String.format("About to send email with command: %s", cmd));
String[] strArray = new String[cmd.size()];
Process mailerProc = run(cmd.toArray(strArray));
BufferedOutputStream mailerStdin = new BufferedOutputStream(mailerProc.getOutputStream());
/* There is no such thing as a "character" in the land of the shell; there are only bytes.
* Here, we convert the body from a Java string (consisting of characters) to a byte array
* encoding each character with UTF-8. Each character will be represented as between one
* and four bytes apiece.
*/
mailerStdin.write(msg.getBody().getBytes("UTF-8"));
mailerStdin.flush();
mailerStdin.close();
int retValue;
try {
retValue = mailerProc.waitFor();
} catch (InterruptedException e) {
// ignore, but set retValue to something bogus
retValue = -12345;
}
if (retValue != 0) {
Log.e(LOG_TAG, String.format("Mailer finished with non-zero return value: %d", retValue));
BufferedInputStream mailerStdout = new BufferedInputStream(mailerProc.getInputStream());
StringBuilder stdout = new StringBuilder();
int theByte;
while ((theByte = mailerStdout.read()) != -1) {
stdout.append((char) theByte);
}
Log.e(LOG_TAG, "Mailer output was: " + stdout.toString());
} else {
Log.v(LOG_TAG, "Mailer returned successfully.");
}
}
public void onMessage(Message message) {
String text = new String(message.getData(), message.getOffset(), message.getLength());
System.err.println("received message from " + message.getSender() + " : " + text);
}
/**
* Authenticate users
*
* @param oc the streams
* @param ci the ConnectInfo
*/
private void authentification(ObjectConnection oc, Message message, String data) {
String passwd = null;
String name = null;
String authenticationServer = null;
String hostname = null;
int port = 0;
StringTokenizer stk = new StringTokenizer(data, " ");
try {
passwd = stk.nextToken();
hostname = stk.nextToken();
port = Integer.parseInt(stk.nextToken());
} catch (Exception ex) {
Logging.getLogger().warning("#Err > Incorrect authentication message.");
try {
oc.write("BAD_MESSAGE");
} catch (Exception e) {
}
return;
}
name = message.getSender().getName();
authenticationServer = message.getSender().getAuthenticationServer();
UserConcept user = null;
try {
user = store.getUserStore().getUser(message.getSender().getName());
} catch (Exception e) {
e.printStackTrace();
}
// password ok
if (user != null && store.getUserStore().checkUserPassword(user, passwd)) {
// disconnect already connected user
if (isAlreadyKnown(message.getSender())) {
ConnectInfo oldUser = getCompleteConnectInfo(message.getSender());
try {
ObjectConnection myoc = this.sendMessageTo(oldUser, "Client", "DISCONNECT");
myoc.close();
} catch (Exception e) {
// we can't do much here, the client might have crashed
}
this.removeConnectInfo(oldUser);
}
connections.add(
new ConnectInfo(
name, authenticationServer, hostname, port, user.getPublicKey(), "Client"));
try {
oc.write("AUTH_ACCEPTED " + user.getPrivateKey());
} catch (Exception e) {
e.printStackTrace();
}
this.sendUserList();
} else {
try {
oc.write("NOT_VALID_USER");
} catch (Exception e) {
}
}
}
/**
* Reads messages from the network. A message is either a command for the server or for an
* internal Service.
*
* @param sock the Socket
*/
private void getMessage(Socket sock) {
int i;
boolean alreadyConnected;
boolean isAuthentication;
Message message;
byte[] signature;
String cmd;
String cmdData;
StringTokenizer stk;
ObjectConnection oc = null;
try {
/* streams initialization */
oc = new ObjectConnection(sock);
message = (Message) oc.read();
signature = (byte[]) oc.read();
} catch (Exception ex) {
ex.printStackTrace();
Logging.getLogger().warning("#Err > Unable to read message.");
return;
}
// check wether a user is known or not
alreadyConnected = isAlreadyKnown(message.getSender());
// check if command is authentication
isAuthentication =
message.getApplication().equals("Server")
&& ((String) message.getData()).startsWith("AUTH");
// signature check
if (alreadyConnected && !isAuthentication) {
boolean sigok = false;
try {
ConnectInfo ci = message.getSender();
if (ci.verifier == null) ci = this.getCompleteConnectInfo(ci);
sigok = ci.verifier.verify(message, signature);
} catch (Exception e) {
e.printStackTrace();
}
if (!sigok) {
try {
oc.write("FAILED bad signature");
} catch (Exception e) {
}
Logging.getLogger().warning("#Err > bad signature: " + message.getSender());
return;
}
}
if (message.getApplication().equals("Server")) {
cmd = null;
try {
stk = new StringTokenizer((String) message.getData());
cmd = stk.nextToken();
cmdData = stk.nextToken("\0").substring(1);
} catch (Exception ex) {
if (cmd == null) cmd = "";
cmdData = "";
}
/* if the user asks for authentication, we try to do it and exits this method */
if (cmd.equals("AUTH")) {
try {
oc.write("OK");
} catch (Exception e) {
e.printStackTrace();
}
authentification(oc, message, cmdData);
} else if (!alreadyConnected) {
Logging.getLogger().info("Access denied to " + message.getSender());
try {
oc.write("FAILED No Connection");
} catch (Exception e) {
}
} else {
internalCommand(oc, message, cmd, cmdData);
}
} else if (!alreadyConnected) {
Logging.getLogger().info("Access denied to " + message.getSender());
try {
oc.write("FAILED No Connection");
} catch (Exception e) {
}
} else {
Service s;
/* seek the destination service */
boolean serviceFound = false;
for (i = 0; i < this.services.size(); i++) {
s = (Service) services.get(i);
if (s.getName().equalsIgnoreCase(message.getApplication())) {
serviceFound = true;
UserConcept user = null;
ServiceConcept service = null;
try {
user = store.getUserStore().getUser(message.getSender().getName());
service = store.getServiceStore().getService(message.getReceiver().getName());
} catch (Exception e) {
}
/* tests serviceManager for permissions */
boolean isAutorizedService = false;
try {
isAutorizedService = store.getServiceStore().isAuthorizedService(user, service);
} catch (Exception e) {
}
if (!isAutorizedService) {
Logging.getLogger()
.info(
"#Err > "
+ message.getSender()
+ " : Service denied to "
+ message.getReceiver().getName());
try {
oc.write("FAILED You don't have acces to this service");
} catch (Exception e) {
}
} else {
try {
oc.write("OK");
} catch (Exception e) {
}
serviceFound = true;
s.process(oc, message);
}
break;
}
}
if (!serviceFound) {
try {
oc.write("FAILED unknown");
} catch (Exception e) {
}
Logging.getLogger()
.warning("#Err > Service " + message.getReceiver().getName() + " unknown");
}
}
oc.close();
}
