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ircchat.cpp
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ircchat.cpp
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/*
* Copyright © 2015-2016 Andrew Penkrat
*
* This file is part of TwitchTube.
*
* TwitchTube is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* TwitchTube is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with TwitchTube. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ircchat.h"
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QUrl>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QDir>
#include <QStandardPaths>
#include <QImage>
#include <qqml.h>
#include <QtMath>
#include <QDateTime>
#include "../util/jsonparser.h"
#include "badgecontainer.h"
#include "vodmanager.h"
const QString IrcChat::IMAGE_PROVIDER_EMOTE = "emote";
const QString IrcChat::IMAGE_PROVIDER_BITS = "bits";
const QString IrcChat::EMOTICONS_URL_FORMAT_LODPI = "https://static-cdn.jtvnw.net/emoticons/v1/%1/1.0";
const QString IrcChat::EMOTICONS_URL_FORMAT_HIDPI = "https://static-cdn.jtvnw.net/emoticons/v1/%1/2.0";
const QString IrcChat::IMAGE_PROVIDER_BTTV_EMOTE = "bttvemote";
const QString IrcChat::BTTV_EMOTES_URL_FORMAT_LODPI = "https://cdn.betterttv.net/emote/%1/1x";
const QString IrcChat::BTTV_EMOTES_URL_FORMAT_HIDPI = "https://cdn.betterttv.net/emote/%1/2x";
const qint16 IrcChat::PORT = 443;
const QString IrcChat::HOST = "irc.chat.twitch.tv";
IrcChat::IrcChat(QObject *parent) :
QObject(parent),
settings(SettingsManager::getInstance()),
_emoteProvider(IMAGE_PROVIDER_EMOTE, settings->hiDpi() ? EMOTICONS_URL_FORMAT_HIDPI : EMOTICONS_URL_FORMAT_LODPI, ".png", settings->hiDpi() ? "emotes_2x" : "emotes"),
_bttvEmoteProvider(IMAGE_PROVIDER_BTTV_EMOTE, settings->hiDpi() ? BTTV_EMOTES_URL_FORMAT_HIDPI : BTTV_EMOTES_URL_FORMAT_LODPI, ".png", settings->hiDpi() ? "bttv_emotes_2x" : "bttv_emotes"),
_bitsProvider(nullptr),
_badgeProvider(nullptr),
sock(nullptr),
netman(NetworkManager::getInstance())
{
logged_in = false;
for (const auto provider : { &_emoteProvider, &_bttvEmoteProvider }) {
connect(provider, &ImageProvider::downloadComplete, this, &IrcChat::handleDownloadComplete);
connect(provider, &ImageProvider::bulkDownloadComplete, this, &IrcChat::bulkDownloadComplete);
}
room = "";
emoteDirPathImpl = _emoteProvider.getBaseUrl();
connect(netman, &NetworkManager::blockedUserListLoadOperationFinished, this, &IrcChat::addBlockedUserResults);
connect(netman, &NetworkManager::userBlocked, this, &IrcChat::innerUserBlocked);
connect(netman, &NetworkManager::userUnblocked, this, &IrcChat::innerUserUnblocked);
connect(netman, &NetworkManager::userOperationFinished, this, [this](const QString &/*name*/, const quint64 id){
user_id = id;
getBlockedUserList();
});
}
void IrcChat::initSocket() {
// Open socket
sock = new QSslSocket(this);
if(!sock) {
emit errorOccured("Error creating socket");
}
else {
sock->setPeerVerifyMode(QSslSocket::VerifyPeer);
connect(sock, &QSslSocket::readyRead, this, &IrcChat::receive);
connect(sock, static_cast<void (QSslSocket::*)(QAbstractSocket::SocketError)>(&QSslSocket::error), this, &IrcChat::processError);
connect(sock, static_cast<void (QSslSocket::*)(const QList<QSslError> &errors)>(&QSslSocket::sslErrors), this, &IrcChat::processSslErrors);
connect(sock, &QSslSocket::encrypted, this, &IrcChat::login);
connect(sock, &QSslSocket::encrypted, this, &IrcChat::onSockStateChanged);
connect(sock, &QSslSocket::disconnected, this, &IrcChat::onSockStateChanged);
}
}
void IrcChat::initProviders() {
initSocket();
auto engine = qmlEngine(this);
RegisterEngineProviders(*engine);
}
void IrcChat::RegisterEngineProviders(QQmlEngine & engine) {
engine.addImageProvider(IMAGE_PROVIDER_EMOTE, _emoteProvider.getQMLImageProvider());
engine.addImageProvider(IMAGE_PROVIDER_BTTV_EMOTE, _bttvEmoteProvider.getQMLImageProvider());
if (_badgeProvider) {
engine.addImageProvider(_badgeProvider->getImageProviderName(), _badgeProvider->getQMLImageProvider());
}
if (_bitsProvider) {
engine.addImageProvider(_bitsProvider->getImageProviderName(), _bitsProvider->getQMLImageProvider());
}
else {
qDebug() << "couldn't hook up badge provider as it was not available";
}
}
void IrcChat::hookupChannelProviders() {
_badgeProvider = BadgeContainer::getInstance()->getBadgeImageProvider();
_bitsProvider = BadgeContainer::getInstance()->getBitsImageProvider();
connect(_badgeProvider, &ImageProvider::downloadComplete, this, &IrcChat::handleDownloadComplete);
connect(_bitsProvider, &ImageProvider::downloadComplete, this, &IrcChat::handleDownloadComplete);
connect(NetworkManager::getInstance(), &NetworkManager::vodChatPieceGetOperationFinished, this, &IrcChat::handleDownloadedReplayChat);
connect(BadgeContainer::getInstance(), &BadgeContainer::channelBitsUrlsLoaded, this, &IrcChat::handleChannelBitsUrlsLoaded);
connect(BadgeContainer::getInstance(), &BadgeContainer::channelBttvEmotesLoaded, this, &IrcChat::handleChannelBttvEmotesLoaded);
//connect(BadgeContainer::getInstance(), &BadgeContainer::blockedUsersLoaded, this, &IrcChat::blockedUsersLoaded);
connect(NetworkManager::getInstance(), &NetworkManager::userBlocked, this, &IrcChat::userBlockedSlot);
connect(NetworkManager::getInstance(), &NetworkManager::userUnblocked, this, &IrcChat::userUnblockedSlot);
}
bool IrcChat::allDownloadsComplete() {
return !_emoteProvider.downloadsInProgress() &&
!_bttvEmoteProvider.downloadsInProgress() &&
_badgeProvider != nullptr && !_badgeProvider->downloadsInProgress() &&
_bitsProvider != nullptr && !_bitsProvider->downloadsInProgress();
}
IrcChat::~IrcChat() {
disconnect();
}
void IrcChat::roomInitCommon(const QString channel, const QString channelId) {
if (inRoom())
leave();
// Save channel name and numerical id for later use
room = channel;
roomChannelId = channelId;
if (_badgeProvider) {
_badgeProvider->setChannelName(channel);
_badgeProvider->setChannelId(channelId);
}
lastCurChannelBitsRegexes.clear();
if (_bitsProvider) {
_bitsProvider->setChannelId(channelId.toInt());
}
lastCurChannelBttvEmoteFixedStrings.clear();
}
void IrcChat::join(const QString channel, const QString channelId) {
replayMode = false;
roomInitCommon(channel, channelId);
if (!connected()) {
reopenSocket();
}
// Join channel's chat room
if (sock) {
sock->write(("JOIN #" + channel + "\r\n").toStdString().c_str());
}
qDebug() << "Joined channel " << channel;
}
void IrcChat::replay(const QString channel, const QString channelId, const quint64 vodId, double /*vodStartEpochTime*/, double playbackOffset) {
replayMode = true;
roomInitCommon(channel, channelId);
replayVodId = vodId;
replayChatVodStartTime = 0;
replayChatCurrentSeekOffset = playbackOffset;
replayChatFirstLoadAfterSeek = true;
// Get start timestamp of the chat replay segments as the requests need to be aligned to chunk boundaries from this start
replayChatFirstChunkTime = 0;
replaySeek(replayChatCurrentSeekOffset);
}
double quantize(double value, double start, double multiple) {
double rel = value - start;
return start + qRound(qFloor(rel / multiple) * multiple);
}
// When seeking, request past chat starting this far back in seconds...
const double SEEK_HISTORY_TIME = 90.0;
// ... and display up to this many messages of it.
const int SEEK_HISTORY_MESSAGE_LIMIT = 15;
void IrcChat::replaySeek(double newOffset) {
// we set a flag indicating that a request is in flight
if (replayChatRequestInProgress) {
VodManager::getInstance()->cancelLastVodChatRequest();
}
VodManager::getInstance()->resetVodChat();
nextChatCursor.clear();
replayChatFirstLoadAfterSeek = true;
replayChatRequestInProgress = true;
// we save the offset to the point we want to start loading chat at as the current time
replayChatCurrentTime = replayChatVodStartTime + qMax(newOffset - SEEK_HISTORY_TIME, 0.0);
qDebug() << "original vod playback start time" << replayChatCurrentTime;
nextChatChunkTimestamp = replayChatCurrentTime;
// we dump any pending messages from the previous playback position
replayChatMessagesPending.clear();
// we'll do an initial request for starting offset chat right now.
VodManager::getInstance()->getVodChatPiece(replayVodId, nextChatChunkTimestamp);
// time passes in the front end as the vod plays back.
}
void IrcChat::replayUpdate(double newOffset) {
// every so often the front end will find that time has passed and update our time and do our timestamp update
double newCurrentTime = replayChatVodStartTime + newOffset;
replayChatCurrentTime = newCurrentTime;
replayUpdateCommon();
}
QList<QPair<QString, QString>> parseBadges(const QString badgesStr);
void IrcChat::replayChatMessage(const ReplayChatMessage & replayMessage) {
ChatMessage chatMessage;
chatMessage.name = replayMessage.from;
for (auto tag = replayMessage.tags.constBegin(); tag != replayMessage.tags.constEnd(); tag++) {
if (tag.key() == "display-name") {
QString displayName = tag.value().toString();
if (displayName != "") {
chatMessage.name = displayName;
}
}
else if (tag.key() == "color") {
chatMessage.color = tag.value().toString();
}
else if (tag.key() == "subscriber") {
chatMessage.subscriber = tag.value().toBool();
}
else if (tag.key() == "turbo") {
chatMessage.turbo = tag.value().toBool();
}
else if (tag.key() == "mod") {
chatMessage.mod = tag.value().toBool();
}
else if (tag.key() == "badges") {
QList<QPair<QString, QString>> badgesMap = parseBadges(tag.value().toString());
for (auto entry = badgesMap.constBegin(); entry != badgesMap.constEnd(); entry++) {
makeBadgeAvailable(entry->first, entry->second);
chatMessage.badges.push_back(QVariantList({ entry->first, entry->second }));
}
}
else if (tag.key() == "system-msg") {
QString systemMessage = tag.value().toString();
// \s -> space
systemMessage.replace("\\s", " ");
// double backslash -> single backslash
systemMessage.replace("\\\\", "\\");
chatMessage.systemMessage = systemMessage;
}
else if (tag.key() == "bits") {
chatMessage.bitsNumber = tag.value().toString();
}
}
if (replayMessage.command == "USERNOTICE") {
chatMessage.isChannelNotice = true;
}
else {
chatMessage.isChannelNotice = false;
}
QString message = replayMessage.message;
// parse IRC action before applying emotes, as emote indices are relative to the content of the action
const QString ACTION_PREFIX = QString(QChar(1)) + "ACTION ";
const QString ACTION_SUFFIX = QString(QChar(1));
if (message.startsWith(ACTION_PREFIX) && message.endsWith(ACTION_SUFFIX)) {
chatMessage.isAction = true;
message = message.mid(ACTION_PREFIX.length(), message.length() - ACTION_SUFFIX.length() - ACTION_PREFIX.length());
}
else {
chatMessage.isAction = false;
}
for (int emoteId : replayMessage.emoteList) {
_emoteProvider.makeAvailable(QString::number(emoteId));
}
QVariantList messageList;
createMessageList(replayMessage.emotePositionsMap, chatMessage.bitsNumber, messageList, message);
//qDebug() << "messageList " << messageList;
chatMessage.messageList = messageList;
disposeOfMessage(chatMessage);
}
void IrcChat::replayUpdateCommon() {
// time to start fetching chat in advance by
const double CHAT_TIME_MARGIN = 5.0;
double curVideoOffsetMS = (replayChatCurrentTime - replayChatVodStartTime) * 1000.0;
double nextChatTime = nextChatChunkTimestamp;
// if we're close enough to the end of the chat buffer, we need more chat right away
bool needMoreChat = replayChatCurrentTime > (nextChatTime - CHAT_TIME_MARGIN);
// if it's the first set of replay chunks after seeking, wait until loading has caught up and then apply SEEK_HISTORY_MESSAGE_LIMIT across all the
// messages up to the current time from all the chunks
if (replayChatFirstLoadAfterSeek && !needMoreChat) {
int chatLinesReadyToOutput = 0;
for (const auto & entry : replayChatMessagesPending) {
if (entry.videoOffset > curVideoOffsetMS) {
break;
}
chatLinesReadyToOutput++;
}
qDebug() << "first load after seek; have" << chatLinesReadyToOutput << "current lines";
int removeCount = chatLinesReadyToOutput - SEEK_HISTORY_MESSAGE_LIMIT;
if (removeCount > 0) {
qDebug() << "skipping" << removeCount << "lines";
replayChatMessagesPending.erase(replayChatMessagesPending.begin(), replayChatMessagesPending.begin() + removeCount);
}
}
if (!replayChatFirstLoadAfterSeek || !needMoreChat) {
// look at the current time and emit whatever chat messages' timestamps are up
while (!replayChatMessagesPending.empty() && (replayChatMessagesPending.first().videoOffset) <= curVideoOffsetMS) {
auto message = replayChatMessagesPending.first();
auto delay = (curVideoOffsetMS - (replayChatMessagesPending.first().videoOffset)) / 1000.0;
if ((delay > 1.0 || delay < -1.0) && !replayChatFirstLoadAfterSeek) {
qDebug() << "**********************************************************";
qDebug() << "chat replay delay" << delay << "s -" << message.from << message.message;
qDebug() << "**********************************************************";
}
replayChatMessage(message);
replayChatMessagesPending.pop_front();
}
if (replayChatFirstLoadAfterSeek) {
replayChatFirstLoadAfterSeek = false;
}
}
if (!replayChatRequestInProgress && needMoreChat) {
replayChatRequestInProgress = true;
if (!nextChatCursor.isEmpty()) {
VodManager::getInstance()->getNextVodChatPiece(replayVodId, nextChatCursor);
} else {
qDebug() << "No cursor from last request; falling back to time-based request";
VodManager::getInstance()->getVodChatPiece(replayVodId, nextChatChunkTimestamp);
}
}
}
void IrcChat::handleDownloadedReplayChat(ReplayChatPiece piece) {
// eventually the initial chat response will arrive. we'll put the chat into a queue, and do a first chat update check
auto messages = piece.comments;
replayChatMessagesPending.append(messages);
nextChatCursor = piece.next;
qDebug() << "CHAT REPLAY PART; t=" << nextChatChunkTimestamp << messages.length() << "records";
// next request will start at the end of the current request
if (!messages.empty()) {
nextChatChunkTimestamp = messages.last().videoOffset / 1000.0;
} else {
// make sure we're not just going to re-request the same timestamp if we fall back
// to a time-based request
nextChatChunkTimestamp += 60.0;
}
replayChatRequestInProgress = false;
replayUpdateCommon();
}
void IrcChat::replayStop() {
if (replayChatRequestInProgress) {
VodManager::getInstance()->cancelLastVodChatRequest();
replayChatRequestInProgress = false;
}
VodManager::getInstance()->resetVodChat();
replayChatMessagesPending.clear();
}
void IrcChat::leave()
{
msgQueue.clear();
if (sock) {
sock->write(("PART #" + room + "\r\n").toStdString().c_str());
}
room = "";
}
void IrcChat::disconnect() {
leave();
if (sock) {
sock->close();
}
}
void IrcChat::reopenSocket() {
if (sock) {
qDebug() << "Reopening socket";
if (sock->isOpen())
sock->close();
sock->open(QIODevice::ReadWrite);
sock->connectToHostEncrypted(HOST, PORT);
if (!sock->isOpen()) {
emit errorOccured("Error opening socket");
}
}
}
void IrcChat::setAnonymous(bool newAnonymous) {
if(newAnonymous != anonym) {
if(newAnonymous) {
qsrand(QTime::currentTime().msec());
username = "";
username.sprintf("justinfan%06d", (qrand() % (1000000 - 100000)) + 100000);
userpass = "blah";
}
anonym = newAnonymous;
//login();
emit anonymousChanged();
}
}
bool IrcChat::connected() {
if (sock) {
return sock->state() == QTcpSocket::ConnectedState;
}
else {
return false;
}
}
QVariantMap createImageEntry(QString imageProvider, QString imageId, QString originalText) {
QVariantMap imageObj;
imageObj.insert("imageProvider", imageProvider);
imageObj.insert("imageId", imageId);
imageObj.insert("originalText", originalText);
return imageObj;
}
QVariantList IrcChat::substituteEmotesInMessage(const QVariantList & message, const QVariantMap &relevantEmotes) {
QVariantList output;
for (auto word = message.begin(); word != message.end(); word++) {
bool spacePrefix = word != message.begin();
QString possibleEmoteText = spacePrefix ? word->toString().mid(1) : word->toString();
bool isEmote = false;
auto entry = relevantEmotes.constFind(possibleEmoteText);
if (entry != relevantEmotes.constEnd()) {
QString emoteId = entry.value().toString();
_emoteProvider.makeAvailable(emoteId);
if (spacePrefix) {
output.append(" ");
}
output.append(createImageEntry(_emoteProvider.getImageProviderName(), emoteId, possibleEmoteText));
isEmote = true;
}
for (const auto & emoteIndex : { lastCurChannelBttvEmoteFixedStrings, lastGlobalBttvEmoteFixedStrings }) {
auto entry = emoteIndex.constFind(possibleEmoteText);
if (entry != emoteIndex.constEnd()) {
QString emoteId = entry.value();
_bttvEmoteProvider.makeAvailable(emoteId);
if (spacePrefix) {
output.append(" ");
}
output.append(createImageEntry(_bttvEmoteProvider.getImageProviderName(), emoteId, possibleEmoteText));
isEmote = true;
break;
}
}
if (!isEmote) {
output.append(*word);
}
}
return output;
}
void removeVariantListPairByFirstValue(QVariantList list, const QVariant value) {
for (auto it = list.begin(); it != list.end();) {
if (!it->canConvert<QVariantList>() || it->toList().length() < 1) {
++it;
continue;
}
if (it->toList()[0] == value) {
it = list.erase(it);
}
else {
++it;
}
}
}
void IrcChat::makeBadgeAvailable(const QString badgeName, const QString version) {
if (_badgeProvider) {
_badgeProvider->makeAvailable(badgeName + "-" + version);
}
else {
qDebug() << "can't make badge" << badgeName << version << "available because there is no _badgeProvider";
}
}
QString IrcChat::getBadgeLocalUrl(QString key) {
if (_badgeProvider) {
return _badgeProvider->getBaseUrl() + "/" + _badgeProvider->getCanonicalKey(key);
}
else {
qDebug() << "can't get badge url because there is no _badgeProvider";
return "";
}
}
bool IrcChat::addBadges(QVariantList &badges, QString channel) {
qDebug() << "addBadges" << channel;
auto channelEntry = badgesByChannel.find(channel);
if (channelEntry != badgesByChannel.end()) {
auto curBadges = channelEntry.value();
for (auto badge = curBadges.constBegin(); badge != curBadges.constEnd(); badge++) {
qDebug() << "badge" << channel << badge->first << badge->second;
removeVariantListPairByFirstValue(badges, badge->first);
const QString badgeName = badge->first;
const QString badgeVersion = badge->second;
makeBadgeAvailable(badgeName, badgeVersion);
badges.push_back(QVariantList({ badgeName, badgeVersion }));
}
return true;
}
else {
return false;
}
}
void IrcChat::sendMessage(const QString &msg, const QVariantMap &relevantEmotes) {
if (inRoom() && connected()) {
bool isAction = false;
bool isWhisper = false;
QString recipient = "";
QVariantList message;
const QString ME_PREFIX = "/me ";
QString displayMessage = msg;
if (displayMessage.toLower().startsWith(ME_PREFIX)) {
isAction = true;
displayMessage = displayMessage.mid(ME_PREFIX.length());
}
for (const QString & prefix : { "/msg ", "/w " }) {
if (displayMessage.toLower().startsWith(prefix)) {
displayMessage = displayMessage.mid(prefix.length());
isWhisper = true;
int spacePos = displayMessage.indexOf(' ');
if (spacePos == -1 || spacePos == displayMessage.length() - 1) {
emit noticeReceived("Ignoring whisper with empty message");
return;
}
recipient = displayMessage.left(spacePos);
displayMessage = displayMessage.mid(spacePos + 1);
break;
}
}
for (const QString & prefix : { "/block ", "/ignore ", "/unblock ", "/unignore " }) {
if (displayMessage.toLower().startsWith(prefix)) {
bool isBlock = (prefix == "/block ") || (prefix == "/ignore ");
QString username = displayMessage.mid(prefix.length());
setUserBlock(username, isBlock);
return;
}
}
if (sock) {
QString ircCmd;
if (isWhisper) {
ircCmd = "PRIVMSG #" + room + " :/w " + recipient + " " + displayMessage + "\r\n";
}
else {
ircCmd = "PRIVMSG #" + room + " :" + msg + "\r\n";
}
sock->write(ircCmd.toStdString().c_str());
}
addWordSplit(displayMessage, ' ', message);
message = substituteEmotesInMessage(message, relevantEmotes);
const QString channelName = "#" + room;
QVariantList userBadges;
if (!addBadges(userBadges, channelName)) {
addBadges(userBadges, "GLOBAL");
}
qDebug() << "Looking up color for #" << room;
QString color = "";
bool subscriber = false;
bool turbo = false; // tag?
bool mod = false;
auto colorEntry = userChannelColors.find(channelName);
if (colorEntry != userChannelColors.end()) {
color = colorEntry.value();
qDebug() << "using user room color" << color;
}
else {
color = userGlobalColor;
qDebug() << "using user global color" << color;
}
auto subscriberEntry = userChannelSubscriber.find(channelName);
if (subscriberEntry != userChannelSubscriber.end()) {
subscriber = subscriberEntry.value();
}
auto modEntry = userChannelMod.find(channelName);
if (modEntry != userChannelMod.end()) {
mod = modEntry.value();
}
QString displayName = username;
auto displayNameEntry = userChannelDisplayName.find(channelName);
if (displayNameEntry != userChannelDisplayName.end() && displayNameEntry.value() != "") {
displayName = displayNameEntry.value();
} else if (userGlobalDisplayName != "") {
displayName = userGlobalDisplayName;
}
bool isChannelMessage = isWhisper;
QString systemMessage = isWhisper ? ("Whispered to " + recipient + ":") : "";
disposeOfMessage({ displayName, message, color, subscriber, turbo, mod, isAction, userBadges, isChannelMessage, systemMessage, false, "" });
}
}
void IrcChat::onSockStateChanged() {
// We don't check if connected property actually changed because this slot should only be awaken when it did
emit connectedChanged();
}
void IrcChat::login()
{
if (userpass.isEmpty() || username.isEmpty())
setAnonymous(true);
else
setAnonymous(false);
if (sock) {
// Tell server that we support twitch-specific commands
sock->write("CAP REQ :twitch.tv/commands\r\n");
sock->write("CAP REQ :twitch.tv/tags\r\n");
// Login
sock->write(("PASS " + userpass + "\r\n").toStdString().c_str());
sock->write(("NICK " + username + "\r\n").toStdString().c_str());
}
logged_in = true;
//Join room automatically, if given
if (!room.isEmpty() && !replayMode)
join(room, roomChannelId);
}
void IrcChat::receive() {
QString msg;
while (sock && sock->canReadLine()) {
msg = sock->readLine();
msg = msg.remove('\n').remove('\r');
parseCommand(msg);
}
}
void IrcChat::processError(QAbstractSocket::SocketError socketError) {
QString err;
switch (socketError) {
case QAbstractSocket::RemoteHostClosedError:
err = "Server closed connection.";
break;
case QAbstractSocket::HostNotFoundError:
err = "Host not found.";
break;
case QAbstractSocket::ConnectionRefusedError:
err = "Connection refused.";
break;
default:
err = "Unknown error.";
}
emit errorOccured(err);
}
void IrcChat::processSslErrors(const QList<QSslError> &errors) {
qDebug() << "SSL errors:";
for (const auto & error : errors) {
qDebug() << error.errorString();
}
emit errorOccured("SSL Error");
}
void IrcChat::addWordSplit(const QString & s, const QChar & sep, QVariantList & l) {
bool first = true;
const QStringList & parts = s.split(sep);
for (const auto & part : parts) {
if (first) {
first = false;
l.append(part);
}
else {
l.append(QString(sep) + part);
}
}
}
void IrcChat::disposeOfMessage(ChatMessage m) {
if (allDownloadsComplete()) {
emit messageReceived(m.name, m.messageList, m.color, m.subscriber, m.turbo, m.mod, m.isAction, m.badges, m.isChannelNotice, m.systemMessage, m.isWhisper);
}
else {
// queue message to be shown when downloads are complete
msgQueue.push_back(m);
}
}
QList<QString> getTags(const QString cmd) {
if (cmd.at(0) == QChar('@')) {
// tags are present
int tagsEnd = cmd.indexOf(" ");
QString tags = cmd.mid(1, tagsEnd - 1);
return tags.split(";");
}
else {
return QList<QString>();
}
}
class Tag {
public:
Tag(const QString tag) {
int assignPos = tag.indexOf("=");
if (assignPos == -1) {
valid = false;
}
else {
valid = true;
key = tag.left(assignPos);
value = tag.mid(assignPos + 1);
}
}
public:
QString key;
QString value;
bool valid;
};
QList<QPair<QString, QString>> parseBadges(const QString badgesStr) {
QList<QPair<QString, QString>> badges;
foreach(const QString & badgeStr, badgesStr.split(",")) {
int splitPos = badgeStr.indexOf('/');
if (splitPos == -1) continue;
badges.append(QPair<QString, QString>(badgeStr.left(splitPos), badgeStr.mid(splitPos + 1)));
}
return badges;
}
QMap<int, QPair<int, int>> IrcChat::parseEmotesTag(const QString emotes) {
QMap<int, QPair<int, int>> emotePositionsMap;
if (emotes != "") {
auto emoteList = emotes.split('/');
for (auto emote : emoteList) {
auto key = emote.left(emote.indexOf(':'));
auto positions = emote.remove(0, emote.indexOf(':') + 1);
//qDebug() << "key " << key;
_emoteProvider.makeAvailable(key);
const QStringList & emotePlcs = positions.split(',');
for (const auto & emotePlc : emotePlcs) {
auto firstAndLast = emotePlc.split('-');
int first = firstAndLast[0].toInt();
int last = firstAndLast.length() > 1 ? firstAndLast[1].toInt() : first;
emotePositionsMap.insert(first, qMakePair(last, key.toInt()));
}
}
}
return emotePositionsMap;
}
class UnicodeCharacterCounter {
public:
UnicodeCharacterCounter(const QString s) : s(s) { }
int toUtf16Offset(int unicodeOffset) {
if (unicodeOffset < curUnicodeOffset) {
curUnicodeOffset = 0;
curQStringOffset = 0;
}
while (curUnicodeOffset < unicodeOffset) {
if (curQStringOffset >= s.length()) return s.length();
const QChar ch = s.at(curQStringOffset++);
if ((0xd800 <= ch) && (ch <= 0xdbff)) {
if (curQStringOffset >= s.length()) return s.length();
curQStringOffset++; // consume another QString char
}
curUnicodeOffset++;
}
return curQStringOffset;
}
private:
int curUnicodeOffset = 0;
int curQStringOffset = 0;
const QString s;
};
QRegExp createBitsRegex(const QString bitsPrefix) {
const QString lowerPrefix = bitsPrefix.toLower();
const QString BITS_REGEX_FORMAT = "(^|\\s)(%1)(\\d+)(\\s|$)";
const QString regexStr = BITS_REGEX_FORMAT.arg(QRegExp::escape(lowerPrefix));
qDebug() << "creating bits regex for" << bitsPrefix << ":" << regexStr;
return QRegExp(regexStr);
}
const int BITS_LEVELS[] = {10000, 5000, 1000, 100};
QString minBitsForBits(QString bitsStr) {
int bits = bitsStr.toInt();
for (int curMinBits : BITS_LEVELS) {
if (bits >= curMinBits) {
return QString::number(curMinBits);
}
}
return "1";
}
void IrcChat::checkBitsRegex(const QRegExp & regex, const QString & prefix, const QString & message, ImagePositionsMap & mapToUpdate) {
int pos = 0;
while (true) {
pos = regex.indexIn(message, pos);
if (pos == -1) break;
const QStringList & match = regex.capturedTexts();
int prefixStart = regex.pos(2);
QString bitsCount = match[3];
int bitsCountEnd = regex.pos(3) + bitsCount.length();
QString minBits = minBitsForBits(bitsCount);
qDebug() << "found bits prefix" << prefix << "with count" << bitsCount << "; using minBits" << minBits << "start" << prefixStart << "end" << bitsCountEnd << "resuming at" << bitsCountEnd;
QString key = prefix + "-" + minBits;
if (_bitsProvider) {
InlineImageInfo info;
info.kind = ImageEntryKind::bits;
info.key = _bitsProvider->getCanonicalKey(key);
info.textSuffix = bitsCount;
BadgeContainer::getInstance()->getChannelBitsColor(roomChannelId.toInt(), prefix, minBits, info.textSuffixColor);
mapToUpdate.insert(prefixStart, qMakePair(bitsCountEnd, info));
_bitsProvider->makeAvailable(key);
}
pos = bitsCountEnd;
}
}
void IrcChat::handleBttvEmote(const QString & id, ImagePositionsMap & mapToUpdate, int pos, int end) {
InlineImageInfo info;
info.kind = ImageEntryKind::bttvEmote;
info.key = _bttvEmoteProvider.getCanonicalKey(id);
mapToUpdate.insert(pos, qMakePair(end, info));
_bttvEmoteProvider.makeAvailable(id);
}
void updateBitsRegexes(const BitsQStringsMap & bitsUrls, QMap<QString, QRegExp> & mapToUpdate) {
mapToUpdate.clear();
for (auto actionEntry = bitsUrls.constBegin(); actionEntry != bitsUrls.constEnd(); actionEntry++) {
const QString & prefix = actionEntry.key();
mapToUpdate.insert(prefix, createBitsRegex(prefix));
}
}
void IrcChat::handleChannelBitsUrlsLoaded(const int channelID, BitsQStringsMap bitsUrls) {
if (channelID == -1) {
updateBitsRegexes(bitsUrls, lastGlobalBitsRegexes);
}
else if (QString::number(channelID) == roomChannelId) {
updateBitsRegexes(bitsUrls, lastCurChannelBitsRegexes);
}
}
void IrcChat::createMessageList(const QMap<int, QPair<int, int>> & emotePositionsMap, QString bitsNumber, QVariantList & messageList, const QString message) {
// cut up message into an ordered list of text fragments and images
// put together all kinds of image entries so we can go through them in order
ImagePositionsMap imagePositionsMap; // map of start unicode pos -> (end unicode pos, (image kind, key))
UnicodeCharacterCounter counter(message);
for (auto emoteEntry = emotePositionsMap.constBegin(); emoteEntry != emotePositionsMap.constEnd(); emoteEntry++) {
// also convert positions to utf-16 domain at this time
int start = counter.toUtf16Offset(emoteEntry.key());
int end = counter.toUtf16Offset(emoteEntry.value().first + 1);
QString key = QString::number(emoteEntry.value().second);
InlineImageInfo info;
info.kind = ImageEntryKind::emote;
info.key = key;
info.textSuffixColor = "#ffffff";
imagePositionsMap.insert(start, qMakePair(end, info));
}
if (bitsNumber.length() > 0) {
for (const QMap<QString, QRegExp> & map : { lastCurChannelBitsRegexes, lastGlobalBitsRegexes }) {
for (auto mapEntry = map.constBegin(); mapEntry != map.constEnd(); mapEntry++) {
const auto & prefix = mapEntry.key();
const auto & regex = mapEntry.value();
checkBitsRegex(regex, prefix, message, imagePositionsMap);
}
}
}
// check for space-separated fixed string tokens
int cur = 0;
while (cur < message.length()) {
int wordEnd = message.indexOf(' ', cur);
if (wordEnd == -1) {
wordEnd = message.length();
}
if (wordEnd > cur) {
const auto word = message.mid(cur, wordEnd - cur);
for (const QMap<QString, QString> & bttvIndex : { lastCurChannelBttvEmoteFixedStrings, lastGlobalBttvEmoteFixedStrings }) {
const auto matchEntry = bttvIndex.constFind(word);
if (matchEntry != bttvIndex.constEnd()) {
handleBttvEmote(matchEntry.value(), imagePositionsMap, cur, wordEnd);
break;
}
}
}
cur = wordEnd + 1;
}
// go through all text replacement image entries and cut up the input message
cur = 0;
for (auto i = imagePositionsMap.constBegin(); i != imagePositionsMap.constEnd(); i++) {
auto emoteStart = i.key();
if (emoteStart > cur) {
addWordSplit(message.mid(cur, emoteStart - cur), ' ', messageList);
}
auto emoteAfterEnd = i.value().first;
auto imageInfo = i.value().second;
auto imageKind = imageInfo.kind;
auto imageId = imageInfo.key;
QString originalText = message.mid(emoteStart, emoteAfterEnd - emoteStart);