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- /*
- * Copyright (c) 2006-2015 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.parser.irc.processors;
-
- import com.dmdirc.parser.common.ParserError;
- import com.dmdirc.parser.common.QueuePriority;
- import com.dmdirc.parser.events.NetworkDetectedEvent;
- import com.dmdirc.parser.irc.CapabilityState;
- import com.dmdirc.parser.irc.IRCEncoding;
- import com.dmdirc.parser.irc.IRCParser;
- import com.dmdirc.parser.irc.ProcessorNotFoundException;
-
- import java.util.Date;
- import java.util.regex.Matcher;
- import java.util.regex.Pattern;
-
- /**
- * Process ISUPPORT lines.
- */
- public class Process004005 extends IRCProcessor {
-
- /**
- * Create a new instance of the IRCProcessor Object.
- *
- * @param parser IRCParser That owns this IRCProcessor
- */
- public Process004005(final IRCParser parser) {
- super(parser, "002", "003", "004", "005");
- }
-
- /**
- * Process ISUPPORT lines.
- *
- * @param sParam Type of line to process ("005", "004")
- * @param token IRCTokenised line to process
- */
- @Override
- public void process(final String sParam, final String... token) {
- switch (sParam) {
- case "002":
- process002();
- break;
- case "003":
- process003(token);
- break;
- case "004":
- process004(token);
- break;
- case "005":
- process005(token);
- break;
- }
- }
-
- /**
- * Callback to all objects implementing the GotNetwork Callback.
- * This takes no params of its own, but works them out itself.
- */
- private void callGotNetwork() {
- final String networkName = parser.networkName;
- final String ircdVersion = parser.getServerSoftware();
- final String ircdType = parser.getServerSoftwareType();
-
- getCallbackManager().publish(
- new NetworkDetectedEvent(parser, new Date(), networkName, ircdVersion, ircdType));
- }
-
- /**
- * Processes a 002 line.
- */
- private void process002() {
- final Pattern pattern = Pattern.compile("running(?: version)? (.*)$");
- final Matcher matcher = pattern.matcher(parser.getLastLine());
- if (matcher.find()) {
- parser.h005Info.put("002IRCD", matcher.group(1));
- }
- }
-
- /**
- * Processes a 003 line.
- *
- * @param token The tokenised line.
- */
- private void process003(final String... token) {
- parser.h005Info.put("003IRCD", token[token.length - 1]);
- }
-
- /**
- * Processes a 004 line.
- *
- * @param token The tokenised line.
- */
- private void process004(final String... token) {
- final boolean multiParam = token.length > 4;
- int i = multiParam ? 4 : 1;
- final String[] bits = multiParam ? token : token[3].split(" ");
-
- if (bits.length > i) {
- parser.h005Info.put("004IRCD", bits[i]);
- i++;
- }
-
- if (bits.length > i && bits[i].matches("^\\d+$")) {
- // some IRCDs put a timestamp where the usermodes should be
- // (issues 4140. 4181 and 4183) so check to see if this is
- // numeric only, and if so, skip it.
- i++;
- }
-
- if (bits.length > i + 1) {
- parser.h005Info.put("USERMODES", bits[i]);
- parser.h005Info.put("USERCHANMODES", bits[i + 1]);
- i += 2;
- }
-
- if (bits.length > i) {
- // INSPIRCD includes an extra param
- parser.h005Info.put("USERCHANPARAMMODES", bits[i]);
- }
-
- parser.parseUserModes();
- }
-
- /**
- * Processes a 005 line.
- *
- * @param token The tokenised line.
- */
- private void process005(final String... token) {
- for (int i = 3; i < token.length; i++) {
- final String[] bits = token[i].split("=", 2);
-
- if (bits[0].isEmpty()) {
- continue;
- }
-
- final boolean isNegation = bits[0].charAt(0) == '-';
- final String key = (isNegation ? bits[0].substring(1) : bits[0]).toUpperCase();
- final String value = bits.length == 2 ? bits[1] : "";
-
- callDebugInfo(IRCParser.DEBUG_INFO, "%s => %s", key, value);
-
- if (isNegation) {
- parser.h005Info.remove(key);
- } else {
- parser.h005Info.put(key, value);
- }
-
- switch (key) {
- case "NETWORK":
- processNetworkToken(isNegation, value);
- break;
- case "CASEMAPPING":
- processCaseMappingToken(isNegation, value);
- break;
- case "CHANTYPES":
- processChanTypesToken(isNegation, value);
- break;
- case "PREFIX":
- processPrefixToken();
- break;
- case "CHANMODES":
- processChanModesToken();
- break;
- case "NAMESX":
- processNamesxToken(key);
- break;
- case "UHNAMES":
- processUhnamesToken(key);
- break;
- case "LISTMODE":
- processListmodeToken(value);
- break;
- case "TIMESTAMPEDIRC":
- processTimestampedIrcToken();
- break;
- }
- }
- }
-
- /**
- * Processes a 'NETWORK' token received in a 005.
- *
- * @param isNegation Whether the token was negated or not.
- * @param value The value of the token.
- */
- private void processNetworkToken(final boolean isNegation, final String value) {
- if (!isNegation) {
- parser.networkName = value;
- callGotNetwork();
- }
- }
-
- /**
- * Processes a 'CASEMAPPING' token received in a 005.
- *
- * @param isNegation Whether the token was negated or not.
- * @param value The value of the token.
- */
- private void processCaseMappingToken(final boolean isNegation, final String value) {
- if (!isNegation) {
- IRCEncoding encoding = IRCEncoding.RFC1459;
-
- try {
- encoding = IRCEncoding.valueOf(value.toUpperCase().replace('-', '_'));
- } catch (IllegalArgumentException ex) {
- parser.callErrorInfo(new ParserError(ParserError.ERROR_WARNING,
- "Unknown casemapping: '" + value + "' - assuming rfc1459",
- parser.getLastLine()));
- }
-
- final boolean encodingChanged = parser.getStringConverter().getEncoding() != encoding;
- parser.setEncoding(encoding);
-
- if (encodingChanged && parser.knownClients() == 1) {
- // This means that the casemapping is not rfc1459
- // We have only added ourselves so far (from 001)
- // We can fix the hashtable easily.
- parser.removeClient(parser.getLocalClient());
- parser.addClient(parser.getLocalClient());
- }
- }
- }
-
- /**
- * Processes a 'CHANTYPES' token received in a 005.
- *
- * @param isNegation Whether the token was negated or not.
- * @param value The value of the token.
- */
- private void processChanTypesToken(final boolean isNegation, final String value) {
- if (isNegation) {
- parser.resetChanPrefix();
- } else {
- parser.setChanPrefix(value);
- }
- }
-
- /**
- * Processes a 'PREFIX' token received in a 005.
- */
- private void processPrefixToken() {
- parser.parsePrefixModes();
- }
-
- /**
- * Processes a 'CHANMODES' token received in a 005.
- */
- private void processChanModesToken() {
- parser.parseChanModes();
- }
-
- /**
- * Processes a 'NAMEX' token received in a 005.
- *
- * @param key The NAMEX token that was received.
- */
- private void processNamesxToken(final String key) {
- if (parser.getCapabilityState("multi-prefix") != CapabilityState.ENABLED) {
- parser.sendString("PROTOCTL " + key);
- }
- }
-
- /**
- * Processes a 'UHNAMES' token received in a 005.
- *
- * @param key The UHNAMES token that was received.
- */
- private void processUhnamesToken(final String key) {
- if (parser.getCapabilityState("userhost-in-names") != CapabilityState.ENABLED) {
- parser.sendString("PROTOCTL " + key);
- }
- }
-
- /**
- * Processes a 'LISTMODE' token received in a 005. The LISTMODE token
- * indicates support for a new way of describing list modes (such as +b).
- * See the proposal at http://shanemcc.co.uk/irc/#listmode.
- *
- * @param value The value of the token.
- */
- private void processListmodeToken(final String value) {
- final String[] handles = new String[2];
- handles[0] = value; // List mode item
- final String endValue = Integer.toString(Integer.parseInt(value) + 1);
- parser.h005Info.put("LISTMODEEND", endValue);
- handles[1] = endValue; // List mode end
- try {
- parser.getProcessingManager().addProcessor(handles,
- parser.getProcessingManager().getProcessor("__LISTMODE__"));
- } catch (ProcessorNotFoundException e) {
- }
- }
-
- /**
- * Processes a 'TIMESTAMPEDIRC' token received in a 005. The TIMESTAMPEDIRC
- * protocol allows servers (or proxies) to send historical events with a
- * corresponding timestamp, allowing the client to catch up on events that
- * happened prior to them connecting. See the proposal at
- * http://shanemcc.co.uk/irc/#timestamping.
- */
- private void processTimestampedIrcToken() {
- if (parser.getCapabilityState("dfbnc.com/tsirc") != CapabilityState.ENABLED) {
- parser.sendString("TIMESTAMPEDIRC ON", QueuePriority.HIGH);
- }
- }
- }
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