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- /*
- * Copyright (c) 2006-2014 DMDirc Developers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc;
-
- import com.dmdirc.commandparser.CommandType;
- import com.dmdirc.commandparser.parsers.CommandParser;
- import com.dmdirc.events.ChannelOpenedEvent;
- import com.dmdirc.events.QueryOpenedEvent;
- import com.dmdirc.events.ServerConnectErrorEvent;
- import com.dmdirc.events.ServerConnectedEvent;
- import com.dmdirc.events.ServerConnectingEvent;
- import com.dmdirc.events.ServerDisconnectedEvent;
- import com.dmdirc.events.ServerNopingEvent;
- import com.dmdirc.events.ServerNumericEvent;
- import com.dmdirc.events.StatusBarMessageEvent;
- import com.dmdirc.interfaces.AwayStateListener;
- import com.dmdirc.interfaces.Connection;
- import com.dmdirc.interfaces.InviteListener;
- import com.dmdirc.interfaces.config.ConfigChangeListener;
- import com.dmdirc.interfaces.config.ConfigProvider;
- import com.dmdirc.interfaces.config.ConfigProviderMigrator;
- import com.dmdirc.interfaces.config.IdentityFactory;
- import com.dmdirc.logger.ErrorLevel;
- import com.dmdirc.logger.Logger;
- import com.dmdirc.messages.MessageSinkManager;
- import com.dmdirc.parser.common.ChannelJoinRequest;
- import com.dmdirc.parser.common.DefaultStringConverter;
- import com.dmdirc.parser.common.IgnoreList;
- import com.dmdirc.parser.common.MyInfo;
- import com.dmdirc.parser.common.ParserError;
- import com.dmdirc.parser.common.ThreadedParser;
- import com.dmdirc.parser.interfaces.ChannelInfo;
- import com.dmdirc.parser.interfaces.ClientInfo;
- import com.dmdirc.parser.interfaces.EncodingParser;
- import com.dmdirc.parser.interfaces.Parser;
- import com.dmdirc.parser.interfaces.ProtocolDescription;
- import com.dmdirc.parser.interfaces.SecureParser;
- import com.dmdirc.parser.interfaces.StringConverter;
- import com.dmdirc.tls.CertificateManager;
- import com.dmdirc.tls.CertificateProblemListener;
- import com.dmdirc.ui.StatusMessage;
- import com.dmdirc.ui.WindowManager;
- import com.dmdirc.ui.core.components.WindowComponent;
- import com.dmdirc.ui.input.TabCompleterFactory;
- import com.dmdirc.ui.input.TabCompletionType;
- import com.dmdirc.ui.messages.ColourManagerFactory;
- import com.dmdirc.ui.messages.Formatter;
- import com.dmdirc.util.EventUtils;
- import com.dmdirc.util.URLBuilder;
-
- import java.net.NoRouteToHostException;
- import java.net.SocketException;
- import java.net.SocketTimeoutException;
- import java.net.URI;
- import java.net.URISyntaxException;
- import java.net.UnknownHostException;
- import java.security.cert.CertificateException;
- import java.security.cert.X509Certificate;
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.Collection;
- import java.util.Collections;
- import java.util.Date;
- import java.util.HashSet;
- import java.util.List;
- import java.util.Map;
- import java.util.Random;
- import java.util.concurrent.ConcurrentSkipListMap;
- import java.util.concurrent.ScheduledExecutorService;
- import java.util.concurrent.ScheduledFuture;
- import java.util.concurrent.TimeUnit;
- import java.util.concurrent.locks.ReadWriteLock;
- import java.util.concurrent.locks.ReentrantReadWriteLock;
-
- import javax.annotation.Nonnull;
- import javax.annotation.Nullable;
- import javax.net.ssl.SSLException;
- import javax.net.ssl.TrustManager;
-
- import org.slf4j.LoggerFactory;
-
- import static com.google.common.base.Preconditions.checkArgument;
- import static com.google.common.base.Preconditions.checkNotNull;
-
- /**
- * The Server class represents the client's view of a server. It maintains a list of all channels,
- * queries, etc, and handles parser callbacks pertaining to the server.
- */
- public class Server extends FrameContainer implements ConfigChangeListener,
- CertificateProblemListener, Connection {
-
- private static final org.slf4j.Logger LOG = LoggerFactory.getLogger(Server.class);
- /** The name of the general domain. */
- private static final String DOMAIN_GENERAL = "general";
- /** The name of the profile domain. */
- private static final String DOMAIN_PROFILE = "profile";
- /** The name of the server domain. */
- private static final String DOMAIN_SERVER = "server";
- /** Open channels that currently exist on the server. */
- private final ChannelMap channels = new ChannelMap();
- /** Open query windows on the server. */
- private final Map<String, Query> queries = new ConcurrentSkipListMap<>();
- /** The Parser instance handling this server. */
- private Parser parser;
- /** The Parser instance that used to be handling this server. */
- private Parser oldParser;
- /** The parser-supplied protocol description object. */
- private ProtocolDescription protocolDescription;
- /**
- * Object used to synchronise access to parser. This object should be locked by anything
- * requiring that the parser reference remains the same for a duration of time, or by anything
- * which is updating the parser reference.
- *
- * If used in conjunction with myStateLock, the parserLock must always be locked INSIDE the
- * myStateLock to prevent deadlocks.
- */
- private final ReadWriteLock parserLock = new ReentrantReadWriteLock();
- /** The raw frame used for this server instance. */
- private Raw raw;
- /** The address of the server we're connecting to. */
- private URI address;
- /** The profile we're using. */
- private ConfigProvider profile;
- /** Object used to synchronise access to myState. */
- private final Object myStateLock = new Object();
- /** The current state of this server. */
- private final ServerStatus myState = new ServerStatus(this, myStateLock);
- /** Our reason for being away, if any. */
- private String awayMessage;
- /** Our event handler. */
- private final ServerEventHandler eventHandler;
- /** A list of outstanding invites. */
- private final List<Invite> invites = new ArrayList<>();
- /** A set of channels we want to join without focusing. */
- private final Collection<String> backgroundChannels = new HashSet<>();
- /** Our ignore list. */
- private final IgnoreList ignoreList = new IgnoreList();
- /** Our string convertor. */
- private StringConverter converter = new DefaultStringConverter();
- /** The certificate manager in use, if any. */
- private CertificateManager certificateManager;
- /** ParserFactory we use for creating parsers. */
- private final ParserFactory parserFactory;
- /** ServerManager that created us. */
- private final ServerManager manager;
- /** Factory to use to create new identities. */
- private final IdentityFactory identityFactory;
- /** Window manager to pas to children. */
- private final WindowManager windowManager;
- /** The migrator to use to change our config provider. */
- private final ConfigProviderMigrator configMigrator;
- /** Factory to use for creating channels. */
- private final ChannelFactory channelFactory;
- /** Factory to use for creating queries. */
- private final QueryFactory queryFactory;
- /** Factory to use for creating raw windows. */
- private final RawFactory rawFactory;
- /** The config provider to write user settings to. */
- private final ConfigProvider userSettings;
- /** Executor service to use to schedule repeated events. */
- private final ScheduledExecutorService executorService;
- /** The message encoder factory to create a message encoder with. */
- private final MessageEncoderFactory messageEncoderFactory;
- /** The future used when a who timer is scheduled. */
- private ScheduledFuture<?> whoTimerFuture;
- /** The future used when a reconnect timer is scheduled. */
- private ScheduledFuture<?> reconnectTimerFuture;
-
- /**
- * Creates a new server which will connect to the specified URL with the specified profile.
- *
- * @since 0.6.3
- * @param manager The server manager that owns this server.
- * @param configMigrator The migrateable configuration manager to read config settings
- * from.
- * @param commandParser The parser to use for commands in this server's window.
- * @param parserFactory The factory to use to generate parsers.
- * @param tabCompleterFactory The factory to use for tab completers.
- * @param identityFactory The factory to use to create identities.
- * @param messageSinkManager The sink manager to use to dispatch messages.
- * @param windowManager Window Manager
- * @param channelFactory The factory to use to create channels.
- * @param queryFactory The factory to use to create queries.
- * @param rawFactory The factory to use to create raw windows.
- * @param urlBuilder The URL builder to use when finding icons.
- * @param eventBus The event bus to dispatch events onto.
- * @param messageEncoderFactory The message encoder factory to create a message encoder with.
- * @param userSettings The config provider to write user settings to.
- * @param executorService The service to use to schedule events.
- * @param uri The address of the server to connect to
- * @param profile The profile to use
- */
- public Server(
- final ServerManager manager,
- final ConfigProviderMigrator configMigrator,
- final CommandParser commandParser,
- final ParserFactory parserFactory,
- final TabCompleterFactory tabCompleterFactory,
- final IdentityFactory identityFactory,
- final MessageSinkManager messageSinkManager,
- final WindowManager windowManager,
- final ChannelFactory channelFactory,
- final QueryFactory queryFactory,
- final RawFactory rawFactory,
- final URLBuilder urlBuilder,
- final DMDircMBassador eventBus,
- final MessageEncoderFactory messageEncoderFactory,
- final ConfigProvider userSettings,
- final ScheduledExecutorService executorService,
- final URI uri,
- final ConfigProvider profile,
- final ColourManagerFactory colourManagerFactory) {
- super(null, "server-disconnected",
- getHost(uri),
- getHost(uri),
- configMigrator.getConfigProvider(),
- colourManagerFactory,
- urlBuilder,
- commandParser,
- tabCompleterFactory.getTabCompleter(configMigrator.getConfigProvider(),
- CommandType.TYPE_SERVER, CommandType.TYPE_GLOBAL),
- messageSinkManager,
- eventBus,
- Arrays.asList(
- WindowComponent.TEXTAREA.getIdentifier(),
- WindowComponent.INPUTFIELD.getIdentifier(),
- WindowComponent.CERTIFICATE_VIEWER.getIdentifier()));
-
- this.manager = manager;
- this.parserFactory = parserFactory;
- this.identityFactory = identityFactory;
- this.windowManager = windowManager;
- this.configMigrator = configMigrator;
- this.channelFactory = channelFactory;
- this.queryFactory = queryFactory;
- this.rawFactory = rawFactory;
- this.executorService = executorService;
- this.userSettings = userSettings;
- this.messageEncoderFactory = messageEncoderFactory;
-
- eventHandler = new ServerEventHandler(this, eventBus);
-
- setConnectionDetails(uri, profile);
-
- updateIcon();
-
- getConfigManager().addChangeListener("formatter", "serverName", this);
- getConfigManager().addChangeListener("formatter", "serverTitle", this);
- }
-
- /**
- * Updates the connection details for this server. If the specified URI does not define a port,
- * the default port from the protocol description will be used.
- *
- * @param uri The new URI that this server should connect to
- * @param profile The profile that this server should use
- */
- private void setConnectionDetails(final URI uri, final ConfigProvider profile) {
- this.address = uri;
- this.protocolDescription = parserFactory.getDescription(uri);
- this.profile = profile;
-
- if (uri.getPort() == -1 && protocolDescription != null) {
- try {
- this.address = new URI(uri.getScheme(), uri.getUserInfo(),
- uri.getHost(), protocolDescription.getDefaultPort(),
- uri.getPath(), uri.getQuery(), uri.getFragment());
- } catch (URISyntaxException ex) {
- Logger.appError(ErrorLevel.MEDIUM, "Unable to construct URI", ex);
- }
- }
- }
-
- @Override
- public void connect() {
- connect(address, profile);
- }
-
- @Override
- @Precondition({
- "The current parser is null or not connected",
- "The specified profile is not null"
- })
- @SuppressWarnings("fallthrough")
- public void connect(final URI address, final ConfigProvider profile) {
- assert profile != null;
-
- synchronized (myStateLock) {
- LOG.info("Connecting to {}, current state is {}", address, myState.getState());
-
- switch (myState.getState()) {
- case RECONNECT_WAIT:
- LOG.debug("Cancelling reconnection timer");
- if (reconnectTimerFuture != null) {
- reconnectTimerFuture.cancel(false);
- }
- break;
- case CLOSING:
- // Ignore the connection attempt
- return;
- case CONNECTED:
- case CONNECTING:
- disconnect(getConfigManager().getOption(DOMAIN_GENERAL, "quitmessage"));
- case DISCONNECTING:
- while (!myState.getState().isDisconnected()) {
- try {
- myStateLock.wait();
- } catch (InterruptedException ex) {
- return;
- }
- }
- break;
- default:
- // Do nothing
- break;
- }
-
- final URI connectAddress;
-
- try {
- parserLock.writeLock().lock();
- if (parser != null) {
- throw new IllegalArgumentException("Connection attempt while parser "
- + "is still connected.\n\nMy state:" + getState());
- }
-
- configMigrator.migrate(address.getScheme(), "", "", address.getHost());
-
- setConnectionDetails(address, profile);
-
- updateTitle();
- updateIcon();
-
- parser = buildParser();
-
- if (parser == null) {
- addLine("serverUnknownProtocol", address.getScheme());
- return;
- }
-
- connectAddress = parser.getURI();
- } finally {
- parserLock.writeLock().unlock();
- }
-
- addLine("serverConnecting", connectAddress.getHost(), connectAddress.getPort());
-
- myState.transition(ServerState.CONNECTING);
-
- doCallbacks();
-
- updateAwayState(null);
- removeInvites();
-
- parser.connect();
- if (parser instanceof ThreadedParser) {
- ((ThreadedParser) parser).getControlThread().setName("Parser - " + connectAddress.
- getHost());
- }
- }
-
- getEventBus().publish(new ServerConnectingEvent(this));
- }
-
- @Override
- public void reconnect(final String reason) {
- synchronized (myStateLock) {
- if (myState.getState() == ServerState.CLOSING) {
- return;
- }
-
- disconnect(reason);
-
- connect(address, profile);
- }
- }
-
- @Override
- public void reconnect() {
- reconnect(getConfigManager().getOption(DOMAIN_GENERAL, "reconnectmessage"));
- }
-
- @Override
- public void disconnect() {
- disconnect(getConfigManager().getOption(DOMAIN_GENERAL, "quitmessage"));
- }
-
- @Override
- public void disconnect(final String reason) {
- synchronized (myStateLock) {
- LOG.info("Disconnecting. Current state: {}", myState.getState());
-
- switch (myState.getState()) {
- case CLOSING:
- case DISCONNECTING:
- case DISCONNECTED:
- case TRANSIENTLY_DISCONNECTED:
- return;
- case RECONNECT_WAIT:
- LOG.debug("Cancelling reconnection timer");
- if (reconnectTimerFuture != null) {
- reconnectTimerFuture.cancel(false);
- }
- break;
- default:
- break;
- }
-
- channels.resetAll();
- backgroundChannels.clear();
-
- try {
- parserLock.readLock().lock();
- if (parser == null) {
- myState.transition(ServerState.DISCONNECTED);
- } else {
- myState.transition(ServerState.DISCONNECTING);
-
- removeInvites();
- updateIcon();
-
- parser.disconnect(reason);
- }
- } finally {
- parserLock.readLock().unlock();
- }
-
- if (getConfigManager().getOptionBool(DOMAIN_GENERAL, "closechannelsonquit")) {
- channels.closeAll();
- }
-
- if (getConfigManager().getOptionBool(DOMAIN_GENERAL, "closequeriesonquit")) {
- closeQueries();
- }
- }
- }
-
- /**
- * Schedules a reconnect attempt to be performed after a user-defined delay.
- */
- @Precondition("The server state is transiently disconnected")
- private void doDelayedReconnect() {
- synchronized (myStateLock) {
- LOG.info("Performing delayed reconnect. State: {}", myState.getState());
-
- if (myState.getState() != ServerState.TRANSIENTLY_DISCONNECTED) {
- throw new IllegalStateException("doDelayedReconnect when not "
- + "transiently disconnected\n\nState: " + myState);
- }
-
- final int delay = Math.max(1000,
- getConfigManager().getOptionInt(DOMAIN_GENERAL, "reconnectdelay"));
-
- handleNotification("connectRetry", getAddress(), delay / 1000);
-
- reconnectTimerFuture = executorService.schedule(() -> {
- synchronized (myStateLock) {
- LOG.debug("Reconnect task executing, state: {}", myState.getState());
- if (myState.getState() == ServerState.RECONNECT_WAIT) {
- myState.transition(ServerState.TRANSIENTLY_DISCONNECTED);
- reconnect();
- }
- }
- }, delay, TimeUnit.MILLISECONDS);
-
- LOG.info("Scheduling reconnect task for delay of {}", delay);
-
- myState.transition(ServerState.RECONNECT_WAIT);
- updateIcon();
- }
- }
-
- @Override
- public boolean hasChannel(final String channel) {
- return channels.contains(channel);
- }
-
- @Override
- public Channel getChannel(final String channel) {
- return channels.get(channel).orNull();
- }
-
- @Override
- public List<String> getChannels() {
- return channels.getNames();
- }
-
- @Override
- public boolean hasQuery(final String host) {
- return queries.containsKey(converter.toLowerCase(parseHostmask(host)[0]));
- }
-
- @Override
- public Query getQuery(final String host) {
- return getQuery(host, false);
- }
-
- @Override
- public Query getQuery(final String host, final boolean focus) {
- synchronized (myStateLock) {
- if (myState.getState() == ServerState.CLOSING) {
- // Can't open queries while the server is closing
- return null;
- }
- }
-
- final String nick = parseHostmask(host)[0];
- final String lnick = converter.toLowerCase(nick);
-
- if (!queries.containsKey(lnick)) {
- final Query newQuery = queryFactory.getQuery(this, host);
- if (!getState().isDisconnected()) {
- newQuery.reregister();
- }
-
- windowManager.addWindow(this, newQuery, focus);
- getEventBus().publish(new QueryOpenedEvent(newQuery));
-
- getTabCompleter().addEntry(TabCompletionType.QUERY_NICK, nick);
- queries.put(lnick, newQuery);
- }
-
- return queries.get(lnick);
- }
-
- @Override
- public void updateQuery(final Query query, final String oldNick, final String newNick) {
- getTabCompleter().removeEntry(TabCompletionType.QUERY_NICK, oldNick);
- getTabCompleter().addEntry(TabCompletionType.QUERY_NICK, newNick);
-
- queries.put(converter.toLowerCase(newNick), query);
- queries.remove(converter.toLowerCase(oldNick));
- }
-
- @Override
- public Collection<Query> getQueries() {
- return Collections.unmodifiableCollection(queries.values());
- }
-
- @Override
- public void delQuery(final Query query) {
- getTabCompleter().removeEntry(TabCompletionType.QUERY_NICK, query.getNickname());
- queries.remove(converter.toLowerCase(query.getNickname()));
- }
-
- @Override
- public void addRaw() {
- if (raw == null) {
- raw = rawFactory.getRaw(this);
- windowManager.addWindow(this, raw);
-
- try {
- parserLock.readLock().lock();
- if (parser != null) {
- raw.registerCallbacks();
- }
- } finally {
- parserLock.readLock().unlock();
- }
- }
- }
-
- @Override
- public void delRaw() {
- raw = null; //NOPMD
- }
-
- @Override
- public void delChannel(final String chan) {
- getTabCompleter().removeEntry(TabCompletionType.CHANNEL, chan);
- channels.remove(chan);
- }
-
- @Override
- public Channel addChannel(final ChannelInfo chan) {
- return addChannel(chan, !backgroundChannels.contains(chan.getName())
- || getConfigManager().getOptionBool(DOMAIN_GENERAL,
- "hidechannels"));
- }
-
- @Override
- public Channel addChannel(final ChannelInfo chan, final boolean focus) {
- synchronized (myStateLock) {
- if (myState.getState() == ServerState.CLOSING) {
- // Can't join channels while the server is closing
- return null;
- }
- }
-
- backgroundChannels.remove(chan.getName());
-
- if (hasChannel(chan.getName())) {
- getChannel(chan.getName()).setChannelInfo(chan);
- getChannel(chan.getName()).selfJoin();
- } else {
- final ConfigProviderMigrator channelConfig = identityFactory.createMigratableConfig(
- getProtocol(), getIrcd(), getNetwork(), getAddress(), chan.getName());
- final Channel newChan = channelFactory.getChannel(this, chan, channelConfig);
-
- windowManager.addWindow(this, newChan, focus);
- getEventBus().publish(new ChannelOpenedEvent(newChan));
-
- getTabCompleter().addEntry(TabCompletionType.CHANNEL, chan.getName());
- channels.add(newChan);
- }
-
- return getChannel(chan.getName());
- }
-
- /**
- * Closes all open query windows associated with this server.
- */
- private void closeQueries() {
- new ArrayList<>(queries.values()).forEach(Query::close);
- }
-
- /**
- * Retrieves the host component of the specified URI, or throws a relevant exception if this is
- * not possible.
- *
- * @param uri The URI to be processed
- *
- * @return The URI's host component, as returned by {@link URI#getHost()}.
- *
- * @throws NullPointerException If <code>uri</code> is null
- * @throws IllegalArgumentException If the specified URI has no host
- * @since 0.6.4
- */
- private static String getHost(final URI uri) {
- if (uri.getHost() == null) {
- throw new IllegalArgumentException("URIs must have hosts");
- }
-
- return uri.getHost();
- }
-
- /**
- * Builds an appropriately configured {@link Parser} for this server.
- *
- * @return A configured parser.
- */
- @Nullable
- private Parser buildParser() {
- final MyInfo myInfo = buildMyInfo();
- final Parser myParser = parserFactory.getParser(myInfo, address);
-
- if (myParser instanceof SecureParser) {
- certificateManager = new CertificateManager(
- address.getHost(), getConfigManager(), userSettings);
- final SecureParser secureParser = (SecureParser) myParser;
- secureParser.setTrustManagers(new TrustManager[]{certificateManager});
- secureParser.setKeyManagers(certificateManager.getKeyManager());
- certificateManager.addCertificateProblemListener(this);
- }
-
- if (myParser instanceof EncodingParser) {
- final EncodingParser encodingParser = (EncodingParser) myParser;
- encodingParser.setEncoder(messageEncoderFactory.getMessageEncoder(this, myParser));
- }
-
- if (myParser != null) {
- myParser.setIgnoreList(ignoreList);
- myParser.setPingTimerInterval(getConfigManager().getOptionInt(DOMAIN_SERVER,
- "pingtimer"));
- myParser.setPingTimerFraction((int) (getConfigManager().getOptionInt(DOMAIN_SERVER,
- "pingfrequency") / myParser.getPingTimerInterval()));
-
- if (getConfigManager().hasOptionString(DOMAIN_GENERAL, "bindip")) {
- myParser.setBindIP(getConfigManager().getOption(DOMAIN_GENERAL, "bindip"));
- }
-
- myParser.setProxy(buildProxyURI());
- }
-
- return myParser;
- }
-
- /**
- * Constructs a URI for the configured proxy for this server, if any.
- *
- * @return An appropriate URI or null if no proxy is configured
- */
- private URI buildProxyURI() {
- if (getConfigManager().hasOptionString(DOMAIN_SERVER, "proxy.address")) {
- final String type;
-
- if (getConfigManager().hasOptionString(DOMAIN_SERVER, "proxy.type")) {
- type = getConfigManager().getOption(DOMAIN_SERVER, "proxy.type");
- } else {
- type = "socks";
- }
-
- final int port;
- if (getConfigManager().hasOptionInt(DOMAIN_SERVER, "proxy.port")) {
- port = getConfigManager().getOptionInt(DOMAIN_SERVER, "proxy.port");
- } else {
- port = 8080;
- }
-
- final String host = getConfigManager().getOptionString(DOMAIN_SERVER, "proxy.address");
-
- final String userInfo;
- if (getConfigManager().hasOptionString(DOMAIN_SERVER, "proxy.username")
- && getConfigManager().hasOptionString(DOMAIN_SERVER, "proxy.password")) {
- userInfo = getConfigManager().getOption(DOMAIN_SERVER, "proxy.username")
- + getConfigManager().getOption(DOMAIN_SERVER, "proxy.password");
- } else {
- userInfo = "";
- }
-
- try {
- return new URI(type, userInfo, host, port, "", "", "");
- } catch (URISyntaxException ex) {
- Logger.appError(ErrorLevel.MEDIUM, "Unable to create proxy URI", ex);
- }
- }
-
- return null;
- }
-
- @Override
- public boolean compareURI(final URI uri) {
- if (parser != null) {
- return parser.compareURI(uri);
- }
-
- return oldParser != null && oldParser.compareURI(uri);
- }
-
- @Override
- public String[] parseHostmask(final String hostmask) {
- return protocolDescription.parseHostmask(hostmask);
- }
-
- /**
- * Retrieves the MyInfo object used for the Parser.
- *
- * @return The MyInfo object for our profile
- */
- @Precondition({
- "The current profile is not null",
- "The current profile specifies at least one nickname"
- })
- private MyInfo buildMyInfo() {
- checkNotNull(profile);
- checkArgument(!profile.getOptionList(DOMAIN_PROFILE, "nicknames").isEmpty());
-
- final MyInfo myInfo = new MyInfo();
- myInfo.setNickname(profile.getOptionList(DOMAIN_PROFILE, "nicknames").get(0));
- myInfo.setRealname(profile.getOption(DOMAIN_PROFILE, "realname"));
-
- if (profile.hasOptionString(DOMAIN_PROFILE, "ident")) {
- myInfo.setUsername(profile.getOption(DOMAIN_PROFILE, "ident"));
- }
-
- return myInfo;
- }
-
- /**
- * Updates this server's icon.
- */
- private void updateIcon() {
- final String icon = myState.getState() == ServerState.CONNECTED
- ? protocolDescription.isSecure(address)
- ? "secure-server" : "server" : "server-disconnected";
- setIcon(icon);
- }
-
- /**
- * Registers callbacks.
- */
- private void doCallbacks() {
- if (raw != null) {
- raw.registerCallbacks();
- }
-
- eventHandler.registerCallbacks();
-
- for (Query query : queries.values()) {
- query.reregister();
- }
- }
-
- @Override
- public void join(final ChannelJoinRequest... requests) {
- join(true, requests);
- }
-
- @Override
- public void join(final boolean focus, final ChannelJoinRequest... requests) {
- synchronized (myStateLock) {
- if (myState.getState() == ServerState.CONNECTED) {
- final List<ChannelJoinRequest> pending = new ArrayList<>();
-
- for (ChannelJoinRequest request : requests) {
- removeInvites(request.getName());
-
- final String name;
- if (parser.isValidChannelName(request.getName())) {
- name = request.getName();
- } else {
- name = parser.getChannelPrefixes().substring(0, 1)
- + request.getName();
- }
-
- if (!hasChannel(name) || !getChannel(name).isOnChannel()) {
- if (!focus) {
- backgroundChannels.add(name);
- }
-
- pending.add(request);
- }
- }
-
- parser.joinChannels(pending.toArray(new ChannelJoinRequest[pending.size()]));
- }
- // TODO: otherwise: address.getChannels().add(channel);
- }
- }
-
- @Override
- public void sendLine(final String line) {
- synchronized (myStateLock) {
- try {
- parserLock.readLock().lock();
- if (parser != null && !line.isEmpty()
- && myState.getState() == ServerState.CONNECTED) {
- parser.sendRawMessage(line);
- }
- } finally {
- parserLock.readLock().unlock();
- }
- }
- }
-
- @Override
- public int getMaxLineLength() {
- try {
- parserLock.readLock().lock();
- return parser == null ? -1 : parser.getMaxLength();
- } finally {
- parserLock.readLock().unlock();
- }
- }
-
- @Override
- public Parser getParser() {
- return parser;
- }
-
- @Override
- public ConfigProvider getProfile() {
- return profile;
- }
-
- @Override
- public String getChannelPrefixes() {
- try {
- parserLock.readLock().lock();
- return parser == null ? "#&" : parser.getChannelPrefixes();
- } finally {
- parserLock.readLock().unlock();
- }
- }
-
- @Override
- public String getAddress() {
- try {
- parserLock.readLock().lock();
- return parser == null ? address.getHost() : parser.getServerName();
- } finally {
- parserLock.readLock().unlock();
- }
- }
-
- @Override
- public String getNetwork() {
- try {
- parserLock.readLock().lock();
- if (parser == null) {
- throw new IllegalStateException("getNetwork called when "
- + "parser is null (state: " + getState() + ')');
- } else if (parser.getNetworkName().isEmpty()) {
- return getNetworkFromServerName(parser.getServerName());
- } else {
- return parser.getNetworkName();
- }
- } finally {
- parserLock.readLock().unlock();
- }
- }
-
- @Override
- public boolean isNetwork(final String target) {
- synchronized (myStateLock) {
- try {
- parserLock.readLock().lock();
- return parser != null && getNetwork().equalsIgnoreCase(target);
- } finally {
- parserLock.readLock().unlock();
- }
- }
- }
-
- /**
- * Calculates a network name from the specified server name. This method implements parts 2-4 of
- * the procedure documented at getNetwork().
- *
- * @param serverName The server name to parse
- *
- * @return A network name for the specified server
- */
- protected static String getNetworkFromServerName(final String serverName) {
- final String[] parts = serverName.split("\\.");
- final String[] tlds = {"biz", "com", "info", "net", "org"};
- boolean isTLD = false;
-
- for (String tld : tlds) {
- if (serverName.endsWith('.' + tld)) {
- isTLD = true;
- break;
- }
- }
-
- if (isTLD && parts.length > 2) {
- return parts[parts.length - 2] + '.' + parts[parts.length - 1];
- } else if (parts.length > 2) {
- final StringBuilder network = new StringBuilder();
-
- for (int i = 1; i < parts.length; i++) {
- if (network.length() > 0) {
- network.append('.');
- }
-
- network.append(parts[i]);
- }
-
- return network.toString();
- } else {
- return serverName;
- }
- }
-
- @Override
- public String getIrcd() {
- return parser.getServerSoftwareType();
- }
-
- @Override
- public String getProtocol() {
- return address.getScheme();
- }
-
- @Override
- public boolean isAway() {
- return awayMessage != null;
- }
-
- @Override
- public String getAwayMessage() {
- return awayMessage;
- }
-
- @Override
- public ServerState getState() {
- return myState.getState();
- }
-
- @Override
- public ServerStatus getStatus() {
- return myState;
- }
-
- @Override
- public void close() {
- super.close();
-
- synchronized (myStateLock) {
- // Remove any callbacks or listeners
- eventHandler.unregisterCallbacks();
- getConfigManager().removeListener(this);
- executorService.shutdown();
-
- // Trigger any actions necessary
- disconnect();
-
- myState.transition(ServerState.CLOSING);
- }
-
- channels.closeAll();
- closeQueries();
- removeInvites();
-
- if (raw != null) {
- raw.close();
- }
-
- // Inform any parents that the window is closing
- manager.unregisterServer(this);
- }
-
- @Override
- public FrameContainer getWindowModel() {
- return this;
- }
-
- @Override
- public void addLineToAll(final String messageType, final Date date,
- final Object... args) {
- channels.addLineToAll(messageType, date, args);
-
- for (Query query : queries.values()) {
- query.addLine(messageType, date, args);
- }
-
- addLine(messageType, date, args);
- }
-
- @Override
- public void sendCTCPReply(final String source, final String type, final String args) {
- if ("VERSION".equalsIgnoreCase(type)) {
- parser.sendCTCPReply(source, "VERSION", "DMDirc "
- + getConfigManager().getOption("version", "version")
- + " - http://www.dmdirc.com/");
- } else if ("PING".equalsIgnoreCase(type)) {
- parser.sendCTCPReply(source, "PING", args);
- } else if ("CLIENTINFO".equalsIgnoreCase(type)) {
- parser.sendCTCPReply(source, "CLIENTINFO", "VERSION PING CLIENTINFO");
- }
- }
-
- @Override
- public boolean isValidChannelName(final String channelName) {
- try {
- parserLock.readLock().lock();
- return hasChannel(channelName)
- || parser != null && parser.isValidChannelName(channelName);
- } finally {
- parserLock.readLock().unlock();
- }
- }
-
- @Nonnull
- @Override
- public Connection getConnection() {
- return this;
- }
-
- @Override
- protected boolean processNotificationArg(final Object arg, final List<Object> args) {
- if (arg instanceof ClientInfo) {
- final ClientInfo clientInfo = (ClientInfo) arg;
- args.add(clientInfo.getNickname());
- args.add(clientInfo.getUsername());
- args.add(clientInfo.getHostname());
- return true;
- } else {
- return super.processNotificationArg(arg, args);
- }
- }
-
- @Override
- public void updateTitle() {
- synchronized (myStateLock) {
- if (myState.getState() == ServerState.CLOSING) {
- return;
- }
-
- try {
- parserLock.readLock().lock();
- final Object[] arguments = {
- address.getHost(), parser == null ? "Unknown" : parser.getServerName(),
- address.getPort(), parser == null ? "Unknown" : getNetwork(),
- parser == null ? "Unknown" : parser.getLocalClient().getNickname(),};
-
- setName(Formatter.formatMessage(getConfigManager(),
- "serverName", arguments));
- setTitle(Formatter.formatMessage(getConfigManager(),
- "serverTitle", arguments));
- } finally {
- parserLock.readLock().unlock();
- }
- }
- }
-
- @Override
- public void configChanged(final String domain, final String key) {
- if ("formatter".equals(domain)) {
- updateTitle();
- }
- }
-
- /**
- * Called when the server says that the nickname we're trying to use is already in use.
- *
- * @param nickname The nickname that we were trying to use
- */
- public void onNickInUse(final String nickname) {
- final String lastNick = parser.getLocalClient().getNickname();
-
- // If our last nick is still valid, ignore the in use message
- if (!converter.equalsIgnoreCase(lastNick, nickname)) {
- return;
- }
-
- String newNick = lastNick + new Random().nextInt(10);
-
- final List<String> alts = profile.getOptionList(DOMAIN_PROFILE, "nicknames");
- int offset = 0;
-
- // Loop so we can check case sensitivity
- for (String alt : alts) {
- offset++;
- if (converter.equalsIgnoreCase(alt, lastNick)) {
- break;
- }
- }
-
- if (offset < alts.size() && !alts.get(offset).isEmpty()) {
- newNick = alts.get(offset);
- }
-
- parser.getLocalClient().setNickname(newNick);
- }
-
- /**
- * Called when the server sends a numeric event.
- *
- * @param numeric The numeric code for the event
- * @param tokens The (tokenised) arguments of the event
- */
- public void onNumeric(final int numeric, final String[] tokens) {
- String snumeric = String.valueOf(numeric);
-
- if (numeric < 10) {
- snumeric = "00" + snumeric;
- } else if (numeric < 100) {
- snumeric = '0' + snumeric;
- }
-
- final String sansIrcd = "numeric_" + snumeric;
- String target = "";
-
- if (getConfigManager().hasOptionString("formatter", sansIrcd)) {
- target = sansIrcd;
- } else if (getConfigManager().hasOptionString("formatter", "numeric_unknown")) {
- target = "numeric_unknown";
- }
-
- final ServerNumericEvent event = new ServerNumericEvent(this, numeric, tokens);
- final String format = EventUtils.postDisplayable(getEventBus(), event, target);
- handleNotification(format, (Object[]) tokens);
- }
-
- /**
- * Called when the socket has been closed.
- */
- public void onSocketClosed() {
- LOG.info("Received socket closed event, state: {}", myState.getState());
-
- if (whoTimerFuture != null) {
- whoTimerFuture.cancel(false);
- }
-
- if (Thread.holdsLock(myStateLock)) {
- LOG.info("State lock contended: rerunning on a new thread");
-
- executorService.schedule(new Runnable() {
- @Override
- public void run() {
- onSocketClosed();
- }
- }, 0, TimeUnit.SECONDS);
- return;
- }
-
- handleNotification("socketClosed", getAddress());
-
- getEventBus().publish(new ServerDisconnectedEvent(this));
-
- eventHandler.unregisterCallbacks();
-
- synchronized (myStateLock) {
- if (myState.getState() == ServerState.CLOSING
- || myState.getState() == ServerState.DISCONNECTED) {
- // This has been triggered via .disconnect()
- return;
- }
-
- if (myState.getState() == ServerState.DISCONNECTING) {
- myState.transition(ServerState.DISCONNECTED);
- } else {
- myState.transition(ServerState.TRANSIENTLY_DISCONNECTED);
- }
-
- channels.resetAll();
-
- try {
- parserLock.writeLock().lock();
- oldParser = parser;
- parser = null;
- } finally {
- parserLock.writeLock().unlock();
- }
-
- updateIcon();
-
- if (getConfigManager().getOptionBool(DOMAIN_GENERAL, "closechannelsondisconnect")) {
- channels.closeAll();
- }
-
- if (getConfigManager().getOptionBool(DOMAIN_GENERAL, "closequeriesondisconnect")) {
- closeQueries();
- }
-
- removeInvites();
- updateAwayState(null);
-
- if (getConfigManager().getOptionBool(DOMAIN_GENERAL,
- "reconnectondisconnect")
- && myState.getState() == ServerState.TRANSIENTLY_DISCONNECTED) {
- doDelayedReconnect();
- }
- }
- }
-
- /**
- * Called when an error was encountered while connecting.
- *
- * @param errorInfo The parser's error information
- */
- @Precondition("The current server state is CONNECTING")
- public void onConnectError(final ParserError errorInfo) {
- synchronized (myStateLock) {
- LOG.info("Received connect error event, state: {}; error: {}", myState.getState(),
- errorInfo);
-
- if (myState.getState() == ServerState.CLOSING
- || myState.getState() == ServerState.DISCONNECTING) {
- // Do nothing
- return;
- } else if (myState.getState() != ServerState.CONNECTING) {
- // Shouldn't happen
- throw new IllegalStateException("Connect error when not "
- + "connecting\n\n" + getStatus().getTransitionHistory());
- }
-
- myState.transition(ServerState.TRANSIENTLY_DISCONNECTED);
-
- try {
- parserLock.writeLock().lock();
- oldParser = parser;
- parser = null;
- } finally {
- parserLock.writeLock().unlock();
- }
-
- updateIcon();
-
- final String description;
-
- if (errorInfo.getException() == null) {
- description = errorInfo.getData();
- } else {
- final Exception exception = errorInfo.getException();
-
- if (exception instanceof UnknownHostException) {
- description = "Unknown host (unable to resolve)";
- } else if (exception instanceof NoRouteToHostException) {
- description = "No route to host";
- } else if (exception instanceof SocketTimeoutException) {
- description = "Connection attempt timed out";
- } else if (exception instanceof SocketException
- || exception instanceof SSLException) {
- description = exception.getMessage();
- } else {
- Logger.appError(ErrorLevel.LOW, "Unknown socket error: "
- + exception.getClass().getCanonicalName(),
- new IllegalArgumentException(exception));
- description = "Unknown error: " + exception.getMessage();
- }
- }
-
- getEventBus().publish(new ServerConnectErrorEvent(this, description));
-
- handleNotification("connectError", getAddress(), description);
-
- if (getConfigManager().getOptionBool(DOMAIN_GENERAL,
- "reconnectonconnectfailure")) {
- doDelayedReconnect();
- }
- }
- }
-
- /**
- * Called when we fail to receive a ping reply within a set period of time.
- */
- public void onPingFailed() {
- getEventBus().publishAsync(new StatusBarMessageEvent(new StatusMessage(
- "No ping reply from " + getName() + " for over "
- + (int) Math.floor(parser.getPingTime() / 1000.0)
- + " seconds.", getConfigManager())));
-
- getEventBus().publishAsync(new ServerNopingEvent(this, parser.getPingTime()));
-
- if (parser.getPingTime()
- >= getConfigManager().getOptionInt(DOMAIN_SERVER, "pingtimeout")) {
- LOG.warn("Server appears to be stoned, reconnecting");
- handleNotification("stonedServer", getAddress());
- reconnect();
- }
- }
-
- /**
- * Called after the parser receives the 005 headers from the server.
- */
- @Precondition("State is CONNECTING")
- public void onPost005() {
- synchronized (myStateLock) {
- if (myState.getState() != ServerState.CONNECTING) {
- // Shouldn't happen
- throw new IllegalStateException("Received onPost005 while not "
- + "connecting\n\n" + myState.getTransitionHistory());
- }
-
- myState.transition(ServerState.CONNECTED);
-
- configMigrator.migrate(address.getScheme(),
- parser.getServerSoftwareType(), getNetwork(), parser.getServerName());
-
- updateIcon();
- updateTitle();
- updateIgnoreList();
-
- converter = parser.getStringConverter();
- channels.setStringConverter(converter);
-
- final List<ChannelJoinRequest> requests = new ArrayList<>();
- if (getConfigManager().getOptionBool(DOMAIN_GENERAL, "rejoinchannels")) {
- requests.addAll(channels.asJoinRequests());
- }
- join(requests.toArray(new ChannelJoinRequest[requests.size()]));
-
- checkModeAliases();
-
- final int whoTime = getConfigManager().getOptionInt(DOMAIN_GENERAL, "whotime");
- whoTimerFuture = executorService.scheduleAtFixedRate(
- channels.getWhoRunnable(), whoTime, whoTime, TimeUnit.MILLISECONDS);
- }
-
- getEventBus().publish(new ServerConnectedEvent(this));
- }
-
- /**
- * Checks that we have the necessary mode aliases for this server.
- */
- private void checkModeAliases() {
- // Check we have mode aliases
- final String modes = parser.getBooleanChannelModes() + parser.getListChannelModes()
- + parser.getParameterChannelModes() + parser.getDoubleParameterChannelModes();
- final String umodes = parser.getUserModes();
-
- final StringBuilder missingModes = new StringBuilder();
- final StringBuilder missingUmodes = new StringBuilder();
-
- for (char mode : modes.toCharArray()) {
- if (!getConfigManager().hasOptionString(DOMAIN_SERVER, "mode" + mode)) {
- missingModes.append(mode);
- }
- }
-
- for (char mode : umodes.toCharArray()) {
- if (!getConfigManager().hasOptionString(DOMAIN_SERVER, "umode" + mode)) {
- missingUmodes.append(mode);
- }
- }
-
- if (missingModes.length() + missingUmodes.length() > 0) {
- final StringBuilder missing = new StringBuilder("Missing mode aliases: ");
-
- if (missingModes.length() > 0) {
- missing.append("channel: +");
- missing.append(missingModes);
- }
-
- if (missingUmodes.length() > 0) {
- if (missingModes.length() > 0) {
- missing.append(' ');
- }
-
- missing.append("user: +");
- missing.append(missingUmodes);
- }
-
- Logger.appError(ErrorLevel.LOW, missing + " ["
- + parser.getServerSoftwareType() + ']',
- new MissingModeAliasException(getNetwork(), parser,
- getConfigManager().getOption("identity",
- "modealiasversion"), missing.toString()));
- }
- }
-
- @Override
- public IgnoreList getIgnoreList() {
- return ignoreList;
- }
-
- @Override
- public void updateIgnoreList() {
- ignoreList.clear();
- ignoreList.addAll(getConfigManager().getOptionList("network", "ignorelist"));
- }
-
- @Override
- public void saveIgnoreList() {
- getNetworkIdentity().setOption("network", "ignorelist", ignoreList.getRegexList());
- }
-
- @Override
- public ConfigProvider getServerIdentity() {
- return identityFactory.createServerConfig(parser.getServerName());
- }
-
- @Override
- public ConfigProvider getNetworkIdentity() {
- return identityFactory.createNetworkConfig(getNetwork());
- }
-
- @Override
- public void addInviteListener(final InviteListener listener) {
- synchronized (listeners) {
- listeners.add(InviteListener.class, listener);
- }
- }
-
- @Override
- public void removeInviteListener(final InviteListener listener) {
- synchronized (listeners) {
- listeners.remove(InviteListener.class, listener);
- }
- }
-
- @Override
- public void addInvite(final Invite invite) {
- synchronized (invites) {
- new ArrayList<>(invites).stream()
- .filter(oldInvite -> oldInvite.getChannel().equals(invite.getChannel()))
- .forEach(this::removeInvite);
-
- invites.add(invite);
-
- synchronized (listeners) {
- for (InviteListener listener : listeners.get(InviteListener.class)) {
- listener.inviteReceived(this, invite);
- }
- }
- }
- }
-
- @Override
- public void acceptInvites(final Invite... invites) {
- final ChannelJoinRequest[] requests = new ChannelJoinRequest[invites.length];
-
- for (int i = 0; i < invites.length; i++) {
- requests[i] = new ChannelJoinRequest(invites[i].getChannel());
- }
-
- join(requests);
- }
-
- @Override
- public void acceptInvites() {
- synchronized (invites) {
- acceptInvites(invites.toArray(new Invite[invites.size()]));
- }
- }
-
- @Override
- public void removeInvites(final String channel) {
- new ArrayList<>(invites).stream().filter(invite -> invite.getChannel().equals(channel))
- .forEach(this::removeInvite);
- }
-
- @Override
- public void removeInvites() {
- new ArrayList<>(invites).forEach(this::removeInvite);
- }
-
- @Override
- public void removeInvite(final Invite invite) {
- synchronized (invites) {
- invites.remove(invite);
-
- synchronized (listeners) {
- for (InviteListener listener : listeners.get(InviteListener.class)) {
- listener.inviteExpired(this, invite);
- }
- }
- }
- }
-
- @Override
- public List<Invite> getInvites() {
- return invites;
- }
-
- @Override
- public void addAwayStateListener(final AwayStateListener listener) {
- synchronized (listeners) {
- listeners.add(AwayStateListener.class, listener);
- }
- }
-
- @Override
- public void removeAwayStateListener(final AwayStateListener listener) {
- synchronized (listeners) {
- listeners.remove(AwayStateListener.class, listener);
- }
- }
-
- @Override
- public void updateAwayState(final String message) {
- if (awayMessage != null && awayMessage.equals(message)
- || awayMessage == null && message == null) {
- return;
- }
-
- awayMessage = message;
-
- new Thread(() -> {
- synchronized (listeners) {
- if (message == null) {
- listeners.get(AwayStateListener.class).forEach(AwayStateListener::onBack);
- } else {
- listeners.get(AwayStateListener.class).forEach(a -> a.onAway(message));
- }
- }
- }, "Away state listener runner").start();
- }
-
- @Override
- public void addCertificateProblemListener(final CertificateProblemListener listener) {
- listeners.add(CertificateProblemListener.class, listener);
-
- if (certificateManager != null && !certificateManager.getProblems().isEmpty()) {
- listener.certificateProblemEncountered(certificateManager.getChain(),
- certificateManager.getProblems(), certificateManager);
- }
- }
-
- @Override
- public void removeCertificateProblemListener(final CertificateProblemListener listener) {
- listeners.remove(CertificateProblemListener.class, listener);
- }
-
- @Override
- public void certificateProblemEncountered(final X509Certificate[] chain,
- final Collection<CertificateException> problems,
- final CertificateManager certificateManager) {
- for (CertificateProblemListener listener : listeners.get(CertificateProblemListener.class)) {
- listener.certificateProblemEncountered(chain, problems, certificateManager);
- }
- }
-
- @Override
- public void certificateProblemResolved(final CertificateManager manager) {
- for (CertificateProblemListener listener : listeners.get(CertificateProblemListener.class)) {
- listener.certificateProblemResolved(manager);
- }
- }
-
- }
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