import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
+import java.net.InetAddress;
import java.net.Socket;
+import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.net.SocketFactory;
import net.pterodactylus.irc.event.ChannelJoined;
+import net.pterodactylus.irc.event.ChannelLeft;
import net.pterodactylus.irc.event.ChannelMessageReceived;
import net.pterodactylus.irc.event.ChannelNicknames;
import net.pterodactylus.irc.event.ChannelNotJoined;
import net.pterodactylus.irc.event.ChannelNotJoined.Reason;
import net.pterodactylus.irc.event.ChannelTopic;
+import net.pterodactylus.irc.event.ClientQuit;
+import net.pterodactylus.irc.event.ConnectionClosed;
import net.pterodactylus.irc.event.ConnectionEstablished;
import net.pterodactylus.irc.event.ConnectionFailed;
+import net.pterodactylus.irc.event.DccAcceptReceived;
+import net.pterodactylus.irc.event.DccSendReceived;
import net.pterodactylus.irc.event.MotdReceived;
+import net.pterodactylus.irc.event.NicknameChanged;
import net.pterodactylus.irc.event.NicknameInUseReceived;
import net.pterodactylus.irc.event.NoNicknameGivenReceived;
import net.pterodactylus.irc.event.PrivateMessageReceived;
import net.pterodactylus.irc.event.UnknownReplyReceived;
import net.pterodactylus.irc.util.RandomNickname;
-import com.beust.jcommander.internal.Maps;
-import com.beust.jcommander.internal.Sets;
import com.google.common.base.Optional;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
import com.google.common.eventbus.EventBus;
import com.google.common.io.Closeables;
+import com.google.common.primitives.Ints;
+import com.google.common.primitives.Longs;
import com.google.common.util.concurrent.AbstractExecutionThreadService;
import com.google.common.util.concurrent.Service;
/** The connection handler. */
private ConnectionHandler connectionHandler;
+ /** Whether the connection has already been established. */
+ private boolean established;
+
/**
* Creates a new connection.
*
//
/**
+ * Returns whether this connection has already been established.
+ *
+ * @return {@code true} as long as this connection is established, {@code
+ * false} otherwise
+ */
+ public boolean established() {
+ return established;
+ }
+
+ /**
* Returns the nickname that is currently in use by this connection. The
* nickname is only available once the connection has been {@link #start()}ed.
*
//
/**
+ * Checks whether the given source is the client represented by this
+ * connection.
+ *
+ * @param source
+ * The source to check
+ * @return {@code true} if this connection represents the given source, {@code
+ * false} otherwise
+ */
+ public boolean isSource(Source source) {
+ return source.nick().isPresent() && source.nick().get().equals(nickname);
+ }
+
+ /**
* Joins the given channel.
*
* @param channel
connectionHandler.sendCommand("JOIN", channel);
}
+ /**
+ * Sends a message to the given recipient, which may be a channel or another
+ * nickname.
+ *
+ * @param recipient
+ * The recipient of the message
+ * @param message
+ * The message
+ * @throws IOException
+ * if an I/O error occurs
+ */
+ public void sendMessage(String recipient, String message) throws IOException {
+ connectionHandler.sendCommand("PRIVMSG", recipient, message);
+ }
+
+ /**
+ * Sends a DCC RESUME request to the given recipient.
+ *
+ * @param recipient
+ * The recipient of the request
+ * @param filename
+ * The name of the file to resume
+ * @param port
+ * The port number from the original DCC SEND request
+ * @param position
+ * The position at which to resume the transfer
+ * @throws IOException
+ * if an I/O error occurs
+ */
+ public void sendDccResume(String recipient, String filename, int port, long position) throws IOException {
+ connectionHandler.sendCommand("PRIVMSG", recipient, String.format("\u0001DCC RESUME %s %d %d\u0001", filename, port, position));
+ }
+
//
// ABSTRACTEXECUTIONTHREADSERVICE METHODS
//
/* most common events. */
if (command.equalsIgnoreCase("PRIVMSG")) {
String recipient = parameters.get(0);
- if (!channelTypes.contains(recipient.charAt(0))) {
- eventBus.post(new PrivateMessageReceived(this, reply.source().get(), parameters.get(1)));
+ String message = parameters.get(1);
+ if (message.startsWith("\u0001") && message.endsWith("\u0001")) {
+ /* CTCP! */
+ handleCtcp(reply.source().get(), message);
+ } else if (!channelTypes.contains(recipient.charAt(0))) {
+ eventBus.post(new PrivateMessageReceived(this, reply.source().get(), message));
} else {
- eventBus.post(new ChannelMessageReceived(this, recipient, reply.source().get(), parameters.get(1)));
+ eventBus.post(new ChannelMessageReceived(this, recipient, reply.source().get(), message));
}
- /* replies 001-004 don’t hold information but they have to be sent on a successful connection. */
- } else if (command.equals("001")) {
- connectionStatus |= 0x01;
- } else if (command.equals("002")) {
- connectionStatus |= 0x02;
- } else if (command.equals("003")) {
- connectionStatus |= 0x04;
- } else if (command.equals("004")) {
- connectionStatus |= 0x08;
-
- /* 005 originally was a bounce message, now used to transmit useful information about the server. */
- } else if (command.equals("005")) {
- for (String parameter : parameters) {
- if (parameter.startsWith("PREFIX=")) {
- int openParen = parameter.indexOf('(');
- int closeParen = parameter.indexOf(')');
- if ((openParen != -1) && (closeParen != -1)) {
- for (int modeCharacterIndex = 1; modeCharacterIndex < (closeParen - openParen); ++modeCharacterIndex) {
- char modeCharacter = parameter.charAt(openParen + modeCharacterIndex);
- char modeSymbol = parameter.charAt(closeParen + modeCharacterIndex);
- nickPrefixes.put(String.valueOf(modeSymbol), String.valueOf(modeCharacter));
- }
- logger.fine(String.format("Parsed Prefixes: %s", nickPrefixes));
- }
- } else if (parameter.startsWith("CHANTYPES=")) {
- for (int typeIndex = 10; typeIndex < parameter.length(); ++typeIndex) {
- channelTypes.add(parameter.charAt(typeIndex));
- }
- logger.fine(String.format("Parsed Channel Types: %s", channelTypes));
- }
}
- /* 375, 372, and 376 handle the server’s MOTD. */
- } else if (command.equals("375")) {
- /* MOTD starts. */
- motd.append(parameters.get(1)).append('\n');
- } else if (command.equals("372")) {
- motd.append(parameters.get(1)).append('\n');
- } else if (command.equals("376")) {
- motd.append(parameters.get(1)).append('\n');
- eventBus.post(new MotdReceived(this, motd.toString()));
- motd.setLength(0);
-
/* 43x replies are for nick change errors. */
} else if (command.equals("431")) {
eventBus.post(new NoNicknameGivenReceived(this, reply));
eventBus.post(new NicknameInUseReceived(this, reply));
}
+ /* client stuff. */
+ } else if (command.equalsIgnoreCase("NICK")) {
+ eventBus.post(new NicknameChanged(this, reply.source().get(), parameters.get(0)));
+
/* channel stuff. */
} else if (command.equalsIgnoreCase("JOIN")) {
eventBus.post(new ChannelJoined(this, parameters.get(0), reply.source().get()));
} else if (command.equals("366")) {
eventBus.post(new ChannelNicknames(this, parameters.get(1), nicks));
nicks.clear();
+ } else if (command.equalsIgnoreCase("PART")) {
+ eventBus.post(new ChannelLeft(this, parameters.get(0), reply.source().get(), getOptional(parameters, 1)));
+ } else if (command.equalsIgnoreCase("QUIT")) {
+ eventBus.post(new ClientQuit(this, reply.source().get(), parameters.get(0)));
/* common channel join errors. */
} else if (command.equals("474")) {
} else if (command.equalsIgnoreCase("PING")) {
connectionHandler.sendCommand("PONG", getOptional(parameters, 0), getOptional(parameters, 1));
+ /* replies 001-004 don’t hold information but they have to be sent on a successful connection. */
+ } else if (command.equals("001")) {
+ connectionStatus |= 0x01;
+ } else if (command.equals("002")) {
+ connectionStatus |= 0x02;
+ } else if (command.equals("003")) {
+ connectionStatus |= 0x04;
+ } else if (command.equals("004")) {
+ connectionStatus |= 0x08;
+
+ /* 005 originally was a bounce message, now used to transmit useful information about the server. */
+ } else if (command.equals("005")) {
+ for (String parameter : parameters) {
+ if (parameter.startsWith("PREFIX=")) {
+ int openParen = parameter.indexOf('(');
+ int closeParen = parameter.indexOf(')');
+ if ((openParen != -1) && (closeParen != -1)) {
+ for (int modeCharacterIndex = 1; modeCharacterIndex < (closeParen - openParen); ++modeCharacterIndex) {
+ char modeCharacter = parameter.charAt(openParen + modeCharacterIndex);
+ char modeSymbol = parameter.charAt(closeParen + modeCharacterIndex);
+ nickPrefixes.put(String.valueOf(modeSymbol), String.valueOf(modeCharacter));
+ }
+ logger.fine(String.format("Parsed Prefixes: %s", nickPrefixes));
+ }
+ } else if (parameter.startsWith("CHANTYPES=")) {
+ for (int typeIndex = 10; typeIndex < parameter.length(); ++typeIndex) {
+ channelTypes.add(parameter.charAt(typeIndex));
+ }
+ logger.fine(String.format("Parsed Channel Types: %s", channelTypes));
+ }
+ }
+
+ /* 375, 372, and 376 handle the server’s MOTD. */
+ } else if (command.equals("375")) {
+ /* MOTD starts. */
+ motd.append(parameters.get(1)).append('\n');
+ } else if (command.equals("372")) {
+ motd.append(parameters.get(1)).append('\n');
+ } else if (command.equals("376")) {
+ motd.append(parameters.get(1)).append('\n');
+ eventBus.post(new MotdReceived(this, motd.toString()));
+ motd.setLength(0);
+
/* okay, everything else. */
} else {
eventBus.post(new UnknownReplyReceived(this, reply));
if ((connectionStatus == 0x0f) && (connectionStatus != oldConnectionStatus)) {
/* connection succeeded! */
+ established = true;
eventBus.post(new ConnectionEstablished(this));
}
oldConnectionStatus = connectionStatus;
}
+ eventBus.post(new ConnectionClosed(this));
} catch (IOException ioe1) {
logger.log(Level.WARNING, "I/O error", ioe1);
+ eventBus.post(new ConnectionClosed(this, ioe1));
} finally {
+ established = false;
logger.info("Closing Connection.");
try {
Closeables.close(connectionHandler, true);
//
/**
+ * Handles a CTCP message.
+ *
+ * @param client
+ * The client sending the message
+ * @param message
+ * The message
+ */
+ private void handleCtcp(Source client, String message) {
+ String[] messageWords = message.substring(1, message.length() - 1).split(" +");
+ String ctcpCommand = messageWords[0];
+ if (ctcpCommand.equalsIgnoreCase("DCC")) {
+ if (messageWords[1].equalsIgnoreCase("SEND")) {
+ Optional<InetAddress> inetAddress = parseInetAddress(messageWords[3]);
+ Optional<Integer> port = Optional.fromNullable(Ints.tryParse(messageWords[4]));
+ long fileSize = Optional.fromNullable(Longs.tryParse(messageWords[5])).or(-1L);
+ if (inetAddress.isPresent() && port.isPresent()) {
+ eventBus.post(new DccSendReceived(this, client, messageWords[2], inetAddress.get(), port.get(), fileSize));
+ } else {
+ logger.warning(String.format("Received malformed DCC SEND: “%s”", message));
+ }
+ } else if (messageWords[1].equalsIgnoreCase("ACCEPT")) {
+ Optional<Integer> port = Optional.fromNullable(Ints.tryParse(messageWords[3]));
+ long position = Optional.fromNullable(Longs.tryParse(messageWords[4])).or(-1L);
+ if (port.isPresent()) {
+ eventBus.post(new DccAcceptReceived(this, client, messageWords[2], port.get(), position));
+ } else {
+ logger.warning(String.format("Received malformed DCC ACCEPT: “%s”", message));
+ }
+ }
+ }
+ }
+
+ /**
* Returns an item from the list, or {@link Optional#absent()} if the list is
* shorter than required for the given index.
*
return Optional.absent();
}
+ /**
+ * Parses the given {@code ip} and returns an {@link InetAddress} from it.
+ *
+ * @param ip
+ * The IP to parse
+ * @return The parsed inet address, or {@link Optional#absent()} if no inet
+ * address could be parsed
+ */
+ private Optional<InetAddress> parseInetAddress(String ip) {
+ Long ipNumber = Longs.tryParse(ip);
+ if (ipNumber == null) {
+ return Optional.absent();
+ }
+
+ StringBuilder hostname = new StringBuilder(15);
+ hostname.append((ipNumber >>> 24) & 0xff).append('.');
+ hostname.append((ipNumber >>> 16) & 0xff).append('.');
+ hostname.append((ipNumber >>> 8) & 0xff).append('.');
+ hostname.append(ipNumber & 0xff);
+ try {
+ return Optional.of(InetAddress.getByName(hostname.toString()));
+ } catch (UnknownHostException uhe1) {
+ return Optional.absent();
+ }
+ }
+
/** Handles input and output for the connection. */
private class ConnectionHandler implements Closeable {
projects / xudocci.git / blobdiff