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qTox is a chat, voice, video, and file transfer IM client using the encrypted peer-to-peer Tox protocol.
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qTox/src/core/core.cpp

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/*
Copyright (C) 2013 by Maxim Biro <nurupo.contributions@gmail.com>
This file is part of Tox Qt GUI.
This program 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.
This program 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 COPYING file for more details.
*/
#include "core.h"
#include "src/nexus.h"
#include "src/misc/cdata.h"
#include "src/misc/cstring.h"
#include "src/misc/settings.h"
#include "src/widget/gui.h"
#include "src/historykeeper.h"
#include "src/audio.h"
#include "src/profilelocker.h"
#include "src/avatarbroadcaster.h"
#include "corefile.h"
#include <tox/tox.h>
#include <ctime>
#include <limits>
#include <functional>
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QSaveFile>
#include <QStandardPaths>
#include <QThread>
#include <QTimer>
#include <QCoreApplication>
#include <QDateTime>
#include <QList>
#include <QBuffer>
#include <QMutexLocker>
const QString Core::CONFIG_FILE_NAME = "data";
const QString Core::TOX_EXT = ".tox";
QHash<int, ToxGroupCall> Core::groupCalls;
QThread* Core::coreThread{nullptr};
#define MAX_GROUP_MESSAGE_LEN 1024
Core::Core(Camera* cam, QThread *CoreThread, QString loadPath) :
tox(nullptr), toxav(nullptr), camera(cam), loadPath(loadPath), ready{false}
{
qDebug() << "loading Tox from" << loadPath;
coreThread = CoreThread;
Audio::getInstance();
videobuf = nullptr;
for (int i = 0; i < ptCounter; i++)
pwsaltedkeys[i] = nullptr;
toxTimer = new QTimer(this);
toxTimer->setSingleShot(true);
connect(toxTimer, &QTimer::timeout, this, &Core::process);
connect(&Settings::getInstance(), &Settings::dhtServerListChanged, this, &Core::process);
for (int i=0; i<TOXAV_MAX_CALLS;i++)
{
calls[i].active = false;
calls[i].alSource = 0;
calls[i].sendAudioTimer = new QTimer();
calls[i].sendVideoTimer = new QTimer();
calls[i].sendAudioTimer->moveToThread(coreThread);
calls[i].sendVideoTimer->moveToThread(coreThread);
connect(calls[i].sendVideoTimer, &QTimer::timeout, [this,i](){sendCallVideo(i);});
}
// OpenAL init
QString outDevDescr = Settings::getInstance().getOutDev();
Audio::openOutput(outDevDescr);
QString inDevDescr = Settings::getInstance().getInDev();
Audio::openInput(inDevDescr);
}
void Core::deadifyTox()
{
if (toxav)
{
toxav_kill(toxav);
toxav = nullptr;
}
if (tox)
{
tox_kill(tox);
tox = nullptr;
}
}
Core::~Core()
{
qDebug() << "Deleting Core";
saveConfiguration();
toxTimer->stop();
coreThread->exit(0);
while (coreThread->isRunning())
{
qApp->processEvents();
coreThread->wait(500);
}
deadifyTox();
delete[] videobuf;
videobuf=nullptr;
Audio::closeInput();
Audio::closeOutput();
}
Core* Core::getInstance()
{
return Nexus::getCore();
}
void Core::make_tox(QByteArray savedata)
{
// IPv6 needed for LAN discovery, but can crash some weird routers. On by default, can be disabled in options.
bool enableIPv6 = Settings::getInstance().getEnableIPv6();
bool forceTCP = Settings::getInstance().getForceTCP();
ProxyType proxyType = Settings::getInstance().getProxyType();
if (enableIPv6)
qDebug() << "Core starting with IPv6 enabled";
else
qWarning() << "Core starting with IPv6 disabled. LAN discovery may not work properly.";
Tox_Options toxOptions;
tox_options_default(&toxOptions);
toxOptions.ipv6_enabled = enableIPv6;
toxOptions.udp_enabled = !forceTCP;
toxOptions.start_port = toxOptions.end_port = 0;
// No proxy by default
toxOptions.proxy_type = TOX_PROXY_TYPE_NONE;
toxOptions.proxy_host = nullptr;
toxOptions.proxy_port = 0;
toxOptions.savedata_type = (!savedata.isNull() ? TOX_SAVEDATA_TYPE_TOX_SAVE : TOX_SAVEDATA_TYPE_NONE);
toxOptions.savedata_data = (uint8_t*)savedata.data();
toxOptions.savedata_length = savedata.size();
if (proxyType != ProxyType::ptNone)
{
QString proxyAddr = Settings::getInstance().getProxyAddr();
int proxyPort = Settings::getInstance().getProxyPort();
if (proxyAddr.length() > 255)
{
qWarning() << "proxy address" << proxyAddr << "is too long";
}
else if (proxyAddr != "" && proxyPort > 0)
{
qDebug() << "using proxy" << proxyAddr << ":" << proxyPort;
// protection against changings in TOX_PROXY_TYPE enum
if (proxyType == ProxyType::ptSOCKS5)
toxOptions.proxy_type = TOX_PROXY_TYPE_SOCKS5;
else if (proxyType == ProxyType::ptHTTP)
toxOptions.proxy_type = TOX_PROXY_TYPE_HTTP;
QByteArray proxyAddrData = proxyAddr.toUtf8();
/// TODO: We're leaking a tiny amount of memory there, go fix that later
char* proxyAddrCopy = new char[proxyAddrData.size()+1];
memcpy(proxyAddrCopy, proxyAddrData.data(), proxyAddrData.size()+1);
toxOptions.proxy_host = proxyAddrCopy;
toxOptions.proxy_port = proxyPort;
}
}
tox = tox_new(&toxOptions, nullptr);
if (tox == nullptr)
{
if (enableIPv6) // Fallback to IPv4
{
toxOptions.ipv6_enabled = false;
tox = tox_new(&toxOptions, nullptr);
if (tox == nullptr)
{
if (toxOptions.proxy_type != TOX_PROXY_TYPE_NONE)
{
qCritical() << "bad proxy! no toxcore!";
emit badProxy();
}
else
{
qCritical() << "Tox core failed to start";
emit failedToStart();
}
return;
}
else
{
qWarning() << "Core failed to start with IPv6, falling back to IPv4. LAN discovery may not work properly.";
}
}
else if (toxOptions.proxy_type != TOX_PROXY_TYPE_NONE)
{
emit badProxy();
return;
}
else
{
qCritical() << "Tox core failed to start";
emit failedToStart();
return;
}
}
toxav = toxav_new(tox, TOXAV_MAX_CALLS);
if (toxav == nullptr)
{
qCritical() << "Toxav core failed to start";
emit failedToStart();
return;
}
}
void Core::start()
{
qDebug() << "Starting up";
QByteArray savedata = loadToxSave(loadPath);
make_tox(savedata);
// Do we need to create a new save & profile?
if (savedata.isNull())
{
qDebug() << "Save file not found, creating a new profile";
Settings::getInstance().load();
setStatusMessage(tr("Toxing on qTox"));
setUsername(tr("qTox User"));
}
qsrand(time(nullptr));
// set GUI with user and statusmsg
QString name = getUsername();
if (!name.isEmpty())
emit usernameSet(name);
QString msg = getStatusMessage();
if (!msg.isEmpty())
emit statusMessageSet(msg);
QString id = getSelfId().toString();
if (!id.isEmpty())
emit idSet(id);
// tox core is already decrypted
if (Settings::getInstance().getEnableLogging() && Settings::getInstance().getEncryptLogs())
checkEncryptedHistory();
loadFriends();
tox_callback_friend_request(tox, onFriendRequest, this);
tox_callback_friend_message(tox, onFriendMessage, this);
tox_callback_friend_name(tox, onFriendNameChange, this);
tox_callback_friend_typing(tox, onFriendTypingChange, this);
tox_callback_friend_status_message(tox, onStatusMessageChanged, this);
tox_callback_friend_status(tox, onUserStatusChanged, this);
tox_callback_friend_connection_status(tox, onConnectionStatusChanged, this);
tox_callback_friend_read_receipt(tox, onReadReceiptCallback, this);
tox_callback_group_invite(tox, onGroupInvite, this);
tox_callback_group_message(tox, onGroupMessage, this);
tox_callback_group_namelist_change(tox, onGroupNamelistChange, this);
tox_callback_group_title(tox, onGroupTitleChange, this);
tox_callback_group_action(tox, onGroupAction, this);
tox_callback_file_chunk_request(tox, CoreFile::onFileDataCallback, this);
tox_callback_file_recv(tox, CoreFile::onFileReceiveCallback, this);
tox_callback_file_recv_chunk(tox, CoreFile::onFileRecvChunkCallback, this);
tox_callback_file_recv_control(tox, CoreFile::onFileControlCallback, this);
toxav_register_callstate_callback(toxav, onAvInvite, av_OnInvite, this);
toxav_register_callstate_callback(toxav, onAvStart, av_OnStart, this);
toxav_register_callstate_callback(toxav, onAvCancel, av_OnCancel, this);
toxav_register_callstate_callback(toxav, onAvReject, av_OnReject, this);
toxav_register_callstate_callback(toxav, onAvEnd, av_OnEnd, this);
toxav_register_callstate_callback(toxav, onAvRinging, av_OnRinging, this);
toxav_register_callstate_callback(toxav, onAvMediaChange, av_OnPeerCSChange, this);
toxav_register_callstate_callback(toxav, onAvMediaChange, av_OnSelfCSChange, this);
toxav_register_callstate_callback(toxav, onAvRequestTimeout, av_OnRequestTimeout, this);
toxav_register_callstate_callback(toxav, onAvPeerTimeout, av_OnPeerTimeout, this);
toxav_register_audio_callback(toxav, playCallAudio, this);
toxav_register_video_callback(toxav, playCallVideo, this);
QPixmap pic = Settings::getInstance().getSavedAvatar(getSelfId().toString());
if (!pic.isNull() && !pic.size().isEmpty())
{
QByteArray data;
QBuffer buffer(&data);
buffer.open(QIODevice::WriteOnly);
pic.save(&buffer, "PNG");
buffer.close();
setAvatar(data);
}
else
{
qDebug() << "Error loading self avatar";
}
ready = true;
// If we created a new profile earlier,
// now that we're ready save it and ONLY THEN broadcast the new ID.
// This is useful for e.g. the profileForm that searches for saves.
if (savedata.isNull())
{
saveConfiguration();
emit idSet(getSelfId().toString());
}
if (isReady())
GUI::setEnabled(true);
process(); // starts its own timer
}
/* Using the now commented out statements in checkConnection(), I watched how
* many ticks disconnects-after-initial-connect lasted. Out of roughly 15 trials,
* 5 disconnected; 4 were DCd for less than 20 ticks, while the 5th was ~50 ticks.
* So I set the tolerance here at 25, and initial DCs should be very rare now.
* This should be able to go to 50 or 100 without affecting legitimate disconnects'
* downtime, but lets be conservative for now. Edit: now ~~40~~ 30.
*/
#define CORE_DISCONNECT_TOLERANCE 30
void Core::process()
{
if (!isReady())
return;
static int tolerance = CORE_DISCONNECT_TOLERANCE;
tox_iterate(tox);
toxav_do(toxav);
#ifdef DEBUG
//we want to see the debug messages immediately
fflush(stdout);
#endif
if (checkConnection())
{
tolerance = CORE_DISCONNECT_TOLERANCE;
}
else if (!(--tolerance))
{
bootstrapDht();
tolerance = 3*CORE_DISCONNECT_TOLERANCE;
}
unsigned sleeptime = qMin(tox_iteration_interval(tox), toxav_do_interval(toxav));
sleeptime = qMin(sleeptime, CoreFile::corefileIterationInterval());
toxTimer->start(sleeptime);
}
bool Core::checkConnection()
{
static bool isConnected = false;
//static int count = 0;
bool toxConnected = tox_self_get_connection_status(tox) != TOX_CONNECTION_NONE;
if (toxConnected && !isConnected)
{
qDebug() << "Connected to DHT";
emit connected();
isConnected = true;
//if (count) qDebug() << "disconnect count:" << count;
//count = 0;
}
else if (!toxConnected && isConnected)
{
qDebug() << "Disconnected to DHT";
emit disconnected();
isConnected = false;
//count++;
} //else if (!toxConnected) count++;
return isConnected;
}
void Core::bootstrapDht()
{
const Settings& s = Settings::getInstance();
QList<Settings::DhtServer> dhtServerList = s.getDhtServerList();
int listSize = dhtServerList.size();
if (listSize == 0)
{
qDebug() << "no bootstrap list?!?";
return;
}
static int j = qrand() % listSize;
qDebug() << "Bootstrapping to the DHT ...";
int i=0;
while (i < 2) // i think the more we bootstrap, the more we jitter because the more we overwrite nodes
{
const Settings::DhtServer& dhtServer = dhtServerList[j % listSize];
if (tox_bootstrap(tox, dhtServer.address.toLatin1().data(),
dhtServer.port, CUserId(dhtServer.userId).data(), nullptr) == 1)
{
qDebug() << "Bootstrapping from " + dhtServer.name
+ ", addr " + dhtServer.address.toLatin1().data()
+ ", port " + QString().setNum(dhtServer.port);
}
else
{
qDebug() << "Error bootstrapping from "+dhtServer.name;
}
j++;
i++;
}
}
void Core::onFriendRequest(Tox*/* tox*/, const uint8_t* cUserId,
const uint8_t* cMessage, size_t cMessageSize, void* core)
{
emit static_cast<Core*>(core)->friendRequestReceived(CUserId::toString(cUserId),
CString::toString(cMessage, cMessageSize));
}
void Core::onFriendMessage(Tox*/* tox*/, uint32_t friendId, TOX_MESSAGE_TYPE type,
const uint8_t* cMessage, size_t cMessageSize, void* core)
{
bool isAction = (type == TOX_MESSAGE_TYPE_ACTION);
emit static_cast<Core*>(core)->friendMessageReceived(friendId,CString::toString(cMessage, cMessageSize), isAction);
}
void Core::onFriendNameChange(Tox*/* tox*/, uint32_t friendId,
const uint8_t* cName, size_t cNameSize, void* core)
{
emit static_cast<Core*>(core)->friendUsernameChanged(friendId, CString::toString(cName, cNameSize));
}
void Core::onFriendTypingChange(Tox*/* tox*/, uint32_t friendId, bool isTyping, void *core)
{
emit static_cast<Core*>(core)->friendTypingChanged(friendId, isTyping ? true : false);
}
void Core::onStatusMessageChanged(Tox*/* tox*/, uint32_t friendId, const uint8_t* cMessage,
size_t cMessageSize, void* core)
{
emit static_cast<Core*>(core)->friendStatusMessageChanged(friendId, CString::toString(cMessage, cMessageSize));
}
void Core::onUserStatusChanged(Tox*/* tox*/, uint32_t friendId, TOX_USER_STATUS userstatus, void* core)
{
Status status;
switch (userstatus)
{
case TOX_USER_STATUS_NONE:
status = Status::Online;
break;
case TOX_USER_STATUS_AWAY:
status = Status::Away;
break;
case TOX_USER_STATUS_BUSY:
status = Status::Busy;
break;
default:
status = Status::Online;
break;
}
emit static_cast<Core*>(core)->friendStatusChanged(friendId, status);
}
void Core::onConnectionStatusChanged(Tox*/* tox*/, uint32_t friendId, TOX_CONNECTION status, void* core)
{
Status friendStatus = status != TOX_CONNECTION_NONE ? Status::Online : Status::Offline;
emit static_cast<Core*>(core)->friendStatusChanged(friendId, friendStatus);
if (friendStatus == Status::Offline)
static_cast<Core*>(core)->checkLastOnline(friendId);
CoreFile::onConnectionStatusChanged(static_cast<Core*>(core), friendId, friendStatus != Status::Offline);
}
void Core::onGroupAction(Tox*, int groupnumber, int peernumber, const uint8_t *action, uint16_t length, void* _core)
{
Core* core = static_cast<Core*>(_core);
emit core->groupMessageReceived(groupnumber, peernumber, CString::toString(action, length), true);
}
void Core::onGroupInvite(Tox*, int32_t friendNumber, uint8_t type, const uint8_t *data, uint16_t length,void *core)
{
QByteArray pk((char*)data, length);
if (type == TOX_GROUPCHAT_TYPE_TEXT)
{
qDebug() << QString("Text group invite by %1").arg(friendNumber);
emit static_cast<Core*>(core)->groupInviteReceived(friendNumber,type,pk);
}
else if (type == TOX_GROUPCHAT_TYPE_AV)
{
qDebug() << QString("AV group invite by %1").arg(friendNumber);
emit static_cast<Core*>(core)->groupInviteReceived(friendNumber,type,pk);
}
else
{
qWarning() << "Group invite with unknown type "<<type;
}
}
void Core::onGroupMessage(Tox*, int groupnumber, int peernumber, const uint8_t * message, uint16_t length, void *_core)
{
Core* core = static_cast<Core*>(_core);
emit core->groupMessageReceived(groupnumber, peernumber, CString::toString(message, length), false);
}
void Core::onGroupNamelistChange(Tox*, int groupnumber, int peernumber, uint8_t change, void *core)
{
qDebug() << QString("Group namelist change %1:%2 %3").arg(groupnumber).arg(peernumber).arg(change);
emit static_cast<Core*>(core)->groupNamelistChanged(groupnumber, peernumber, change);
}
void Core::onGroupTitleChange(Tox*, int groupnumber, int peernumber, const uint8_t* title, uint8_t len, void* _core)
{
Core* core = static_cast<Core*>(_core);
QString author;
if (peernumber >= 0)
author = core->getGroupPeerName(groupnumber, peernumber);
emit core->groupTitleChanged(groupnumber, author, CString::toString(title, len));
}
void Core::onReadReceiptCallback(Tox*, uint32_t friendnumber, uint32_t receipt, void *core)
{
emit static_cast<Core*>(core)->receiptRecieved(friendnumber, receipt);
}
void Core::acceptFriendRequest(const QString& userId)
{
uint32_t friendId = tox_friend_add_norequest(tox, CUserId(userId).data(), nullptr);
if (friendId == std::numeric_limits<uint32_t>::max())
{
emit failedToAddFriend(userId);
}
else
{
saveConfiguration();
emit friendAdded(friendId, userId);
}
}
void Core::requestFriendship(const QString& friendAddress, const QString& message)
{
const QString userId = friendAddress.mid(0, TOX_PUBLIC_KEY_SIZE * 2);
if (message.isEmpty())
{
emit failedToAddFriend(userId, tr("You need to write a message with your request"));
}
else if (message.size() > TOX_MAX_FRIEND_REQUEST_LENGTH)
{
emit failedToAddFriend(userId, tr("Your message is too long!"));
}
else if (hasFriendWithAddress(friendAddress))
{
emit failedToAddFriend(userId, tr("Friend is already added"));
}
else
{
CString cMessage(message);
uint32_t friendId = tox_friend_add(tox, CFriendAddress(friendAddress).data(),
cMessage.data(), cMessage.size(), nullptr);
if (friendId == std::numeric_limits<uint32_t>::max())
{
qDebug() << "Failed to request friendship";
emit failedToAddFriend(userId);
}
else
{
qDebug() << "Requested friendship of "<<friendId;
// Update our friendAddresses
Settings::getInstance().updateFriendAdress(friendAddress);
QString inviteStr = tr("/me offers friendship.");
if (message.length())
inviteStr = tr("/me offers friendship, \"%1\"").arg(message);
HistoryKeeper::getInstance()->addChatEntry(userId, inviteStr, getSelfId().publicKey, QDateTime::currentDateTime(), true);
emit friendAdded(friendId, userId);
}
}
saveConfiguration();
}
int Core::sendMessage(uint32_t friendId, const QString& message)
{
QMutexLocker ml(&messageSendMutex);
CString cMessage(message);
int receipt = tox_friend_send_message(tox, friendId, TOX_MESSAGE_TYPE_NORMAL,
cMessage.data(), cMessage.size(), nullptr);
emit messageSentResult(friendId, message, receipt);
return receipt;
}
int Core::sendAction(uint32_t friendId, const QString &action)
{
QMutexLocker ml(&messageSendMutex);
CString cMessage(action);
int receipt = tox_friend_send_message(tox, friendId, TOX_MESSAGE_TYPE_ACTION,
cMessage.data(), cMessage.size(), nullptr);
emit messageSentResult(friendId, action, receipt);
return receipt;
}
void Core::sendTyping(uint32_t friendId, bool typing)
{
bool ret = tox_self_set_typing(tox, friendId, typing, nullptr);
if (ret == false)
emit failedToSetTyping(typing);
}
void Core::sendGroupMessage(int groupId, const QString& message)
{
QList<CString> cMessages = splitMessage(message, MAX_GROUP_MESSAGE_LEN);
for (auto &cMsg :cMessages)
{
int ret = tox_group_message_send(tox, groupId, cMsg.data(), cMsg.size());
if (ret == -1)
emit groupSentResult(groupId, message, ret);
}
}
void Core::sendGroupAction(int groupId, const QString& message)
{
QList<CString> cMessages = splitMessage(message, MAX_GROUP_MESSAGE_LEN);
for (auto &cMsg :cMessages)
{
int ret = tox_group_action_send(tox, groupId, cMsg.data(), cMsg.size());
if (ret == -1)
emit groupSentResult(groupId, message, ret);
}
}
void Core::changeGroupTitle(int groupId, const QString& title)
{
CString cTitle(title);
int err = tox_group_set_title(tox, groupId, cTitle.data(), cTitle.size());
if (!err)
emit groupTitleChanged(groupId, getUsername(), title);
}
void Core::sendFile(uint32_t friendId, QString Filename, QString FilePath, long long filesize)
{
CoreFile::sendFile(this, friendId, Filename, FilePath, filesize);
}
void Core::sendAvatarFile(uint32_t friendId, const QByteArray& data)
{
CoreFile::sendAvatarFile(this, friendId, data);
}
void Core::pauseResumeFileSend(uint32_t friendId, uint32_t fileNum)
{
CoreFile::pauseResumeFileSend(this, friendId, fileNum);
}
void Core::pauseResumeFileRecv(uint32_t friendId, uint32_t fileNum)
{
CoreFile::pauseResumeFileRecv(this, friendId, fileNum);
}
void Core::cancelFileSend(uint32_t friendId, uint32_t fileNum)
{
CoreFile::cancelFileSend(this, friendId, fileNum);
}
void Core::cancelFileRecv(uint32_t friendId, uint32_t fileNum)
{
CoreFile::cancelFileRecv(this, friendId, fileNum);
}
void Core::rejectFileRecvRequest(uint32_t friendId, uint32_t fileNum)
{
CoreFile::rejectFileRecvRequest(this, friendId, fileNum);
}
void Core::acceptFileRecvRequest(uint32_t friendId, uint32_t fileNum, QString path)
{
CoreFile::acceptFileRecvRequest(this, friendId, fileNum, path);
}
void Core::removeFriend(uint32_t friendId, bool fake)
{
if (!isReady() || fake)
return;
if (tox_friend_delete(tox, friendId, nullptr) == false)
{
emit failedToRemoveFriend(friendId);
}
else
{
saveConfiguration();
emit friendRemoved(friendId);
}
}
void Core::removeGroup(int groupId, bool fake)
{
if (!isReady() || fake)
return;
tox_del_groupchat(tox, groupId);
if (groupCalls[groupId].active)
leaveGroupCall(groupId);
}
QString Core::getUsername() const
{
QString sname;
int size = tox_self_get_name_size(tox);
uint8_t* name = new uint8_t[size];
tox_self_get_name(tox, name);
sname = CString::toString(name, size);
delete[] name;
return sname;
}
void Core::setUsername(const QString& username)
{
CString cUsername(username);
if (tox_self_set_name(tox, cUsername.data(), cUsername.size(), nullptr) == false)
{
emit failedToSetUsername(username);
}
else
{
emit usernameSet(username);
saveConfiguration();
}
}
void Core::setAvatar(const QByteArray& data)
{
QPixmap pic;
pic.loadFromData(data);
Settings::getInstance().saveAvatar(pic, getSelfId().toString());
emit selfAvatarChanged(pic);
AvatarBroadcaster::setAvatar(data);
AvatarBroadcaster::enableAutoBroadcast();
}
ToxId Core::getSelfId() const
{
uint8_t friendAddress[TOX_ADDRESS_SIZE] = {0};
tox_self_get_address(tox, friendAddress);
return ToxId(CFriendAddress::toString(friendAddress));
}
QString Core::getIDString() const
{
return getSelfId().toString().left(12);
// 12 is the smallest multiple of four such that
// 16^n > 10^10 (which is roughly the planet's population)
}
QPair<QByteArray, QByteArray> Core::getKeypair() const
{
QPair<QByteArray, QByteArray> keypair;
if (!tox)
return keypair;
char buf[std::max(TOX_PUBLIC_KEY_SIZE, TOX_SECRET_KEY_SIZE)];
tox_self_get_public_key(tox, (uint8_t*)buf);
keypair.first = QByteArray(buf, TOX_PUBLIC_KEY_SIZE);
tox_self_get_secret_key(tox, (uint8_t*)buf);
keypair.second = QByteArray(buf, TOX_SECRET_KEY_SIZE);
return keypair;
}
QString Core::getStatusMessage() const
{
QString sname;
size_t size = tox_self_get_status_message_size(tox);
uint8_t* name = new uint8_t[size];
tox_self_get_status_message(tox, name);
sname = CString::toString(name, size);
delete[] name;
return sname;
}
void Core::setStatusMessage(const QString& message)
{
CString cMessage(message);
if (tox_self_set_status_message(tox, cMessage.data(), cMessage.size(), nullptr) == false)
{
emit failedToSetStatusMessage(message);
}
else
{
saveConfiguration();
emit statusMessageSet(message);
}
}
void Core::setStatus(Status status)
{
TOX_USER_STATUS userstatus;
switch (status)
{
case Status::Online:
userstatus = TOX_USER_STATUS_NONE;
break;
case Status::Away:
userstatus = TOX_USER_STATUS_AWAY;
break;
case Status::Busy:
userstatus = TOX_USER_STATUS_BUSY;
break;
default:
return;
break;
}
tox_self_set_status(tox, userstatus);
saveConfiguration();
emit statusSet(status);
}
QString Core::sanitize(QString name)
{
// these are pretty much Windows banned filename characters
QList<QChar> banned = {'/', '\\', ':', '<', '>', '"', '|', '?', '*'};
for (QChar c : banned)
name.replace(c, '_');
// also remove leading and trailing periods
if (name[0] == '.')
name[0] = '_';
if (name.endsWith('.'))
name[name.length()-1] = '_';
return name;
}
QByteArray Core::loadToxSave(QString path)
{
QByteArray data;
loadPath = ""; // if not empty upon return, then user forgot a password and is switching
// If we can't get a lock, then another instance is already using that profile
while (!ProfileLocker::lock(QFileInfo(path).baseName()))
{
qWarning() << "Profile "<<QFileInfo(path).baseName()<<" is already in use, pick another";
GUI::showWarning(tr("Profile already in use"),
tr("This profile is already used by another qTox instance\n"
"Please select another profile"));
QString tmppath = Settings::getInstance().askProfiles();
if (tmppath.isEmpty())
continue;
Settings::getInstance().switchProfile(tmppath);
path = QDir(Settings::getSettingsDirPath()).filePath(tmppath + TOX_EXT);
HistoryKeeper::resetInstance();
}
QFile configurationFile(path);
qDebug() << "loadConfiguration: reading from " << path;
if (!configurationFile.exists())
{
qWarning() << "The Tox configuration file "<<path<<" was not found";
return data;
}
if (!configurationFile.open(QIODevice::ReadOnly))
{
qCritical() << "File " << path << " cannot be opened";
return data;
}
qint64 fileSize = configurationFile.size();
if (fileSize > 0)
{
data = configurationFile.readAll();
if (tox_is_data_encrypted((uint8_t*)data.data()))
{
if (!loadEncryptedSave(data))
{
configurationFile.close();
QString profile;
do {
profile = Settings::getInstance().askProfiles();
} while (profile.isEmpty());
if (!profile.isEmpty())
{
Settings::getInstance().switchProfile(profile);
HistoryKeeper::resetInstance();
return loadToxSave(QDir(Settings::getSettingsDirPath()).filePath(profile + TOX_EXT));
}
return QByteArray();
}
}
}
configurationFile.close();
return data;
}
void Core::saveConfiguration()
{
if (QThread::currentThread() != coreThread)
return (void) QMetaObject::invokeMethod(this, "saveConfiguration");
if (!isReady())
return;
ProfileLocker::assertLock();
QString dir = Settings::getSettingsDirPath();
QDir directory(dir);
if (!directory.exists() && !directory.mkpath(directory.absolutePath()))
{
qCritical() << "Error while creating directory " << dir;
return;
}
QString profile = Settings::getInstance().getCurrentProfile();
if (profile == "")
{ // no profile active; this should only happen on startup, if at all
profile = sanitize(getUsername());
if (profile == "") // happens on creation of a new Tox ID
profile = getIDString();
Settings::getInstance().switchProfile(profile);
}
QString path = directory.filePath(profile + TOX_EXT);
saveConfiguration(path);
}
void Core::switchConfiguration(const QString& _profile)
{
QString profile = QFileInfo(_profile).baseName();
// If we can't get a lock, then another instance is already using that profile
while (!profile.isEmpty() && !ProfileLocker::lock(profile))
{
qWarning() << "Profile "<<profile<<" is already in use, pick another";
GUI::showWarning(tr("Profile already in use"),
tr("This profile is already used by another qTox instance\n"
"Please select another profile"));
do {
profile = Settings::getInstance().askProfiles();
} while (profile.isEmpty());
}
if (profile.isEmpty())
qDebug() << "creating new Id";
else
qDebug() << "switching from" << Settings::getInstance().getCurrentProfile() << "to" << profile;
saveConfiguration();
saveCurrentInformation(); // part of a hack, see core.h
ready = false;
GUI::setEnabled(false);
clearPassword(ptMain);
clearPassword(ptHistory);
toxTimer->stop();
deadifyTox();
emit selfAvatarChanged(QPixmap(":/img/contact_dark.svg"));
emit blockingClearContacts(); // we need this to block, but signals are required for thread safety
if (profile.isEmpty())
loadPath = "";
else
loadPath = QDir(Settings::getSettingsDirPath()).filePath(profile + TOX_EXT);
Settings::getInstance().switchProfile(profile);
HistoryKeeper::resetInstance();
start();
}
void Core::loadFriends()
{
const uint32_t friendCount = tox_self_get_friend_list_size(tox);
if (friendCount > 0)
{
// assuming there are not that many friends to fill up the whole stack
uint32_t *ids = new uint32_t[friendCount];
tox_self_get_friend_list(tox, ids);
uint8_t clientId[TOX_PUBLIC_KEY_SIZE];
for (int32_t i = 0; i < static_cast<int32_t>(friendCount); ++i)
{
if (tox_friend_get_public_key(tox, ids[i], clientId, nullptr))
{
emit friendAdded(ids[i], CUserId::toString(clientId));
const size_t nameSize = tox_friend_get_name_size(tox, ids[i], nullptr);
if (nameSize && nameSize != SIZE_MAX)
{
uint8_t *name = new uint8_t[nameSize];
if (tox_friend_get_name(tox, ids[i], name, nullptr))
emit friendUsernameChanged(ids[i], CString::toString(name, nameSize));
delete[] name;
}
const size_t statusMessageSize = tox_friend_get_status_message_size(tox, ids[i], nullptr);
if (statusMessageSize != SIZE_MAX)
{
uint8_t *statusMessage = new uint8_t[statusMessageSize];
if (tox_friend_get_status_message(tox, ids[i], statusMessage, nullptr))
{
emit friendStatusMessageChanged(ids[i], CString::toString(statusMessage, statusMessageSize));
}
delete[] statusMessage;
}
checkLastOnline(ids[i]);
}
}
delete[] ids;
}
}
void Core::checkLastOnline(uint32_t friendId) {
const uint64_t lastOnline = tox_friend_get_last_online(tox, friendId, nullptr);
if (lastOnline != std::numeric_limits<uint64_t>::max())
emit friendLastSeenChanged(friendId, QDateTime::fromTime_t(lastOnline));
}
QVector<uint32_t> Core::getFriendList() const
{
QVector<uint32_t> friends;
friends.resize(tox_self_get_friend_list_size(tox));
tox_self_get_friend_list(tox, friends.data());
return friends;
}
int Core::getGroupNumberPeers(int groupId) const
{
return tox_group_number_peers(tox, groupId);
}
QString Core::getGroupPeerName(int groupId, int peerId) const
{
QString name;
uint8_t nameArray[TOX_MAX_NAME_LENGTH];
int length = tox_group_peername(tox, groupId, peerId, nameArray);
if (length == -1)
{
qWarning() << "getGroupPeerName: Unknown error";
return name;
}
name = CString::toString(nameArray, length);
return name;
}
ToxId Core::getGroupPeerToxId(int groupId, int peerId) const
{
ToxId peerToxId;
uint8_t rawID[TOX_PUBLIC_KEY_SIZE];
int res = tox_group_peer_pubkey(tox, groupId, peerId, rawID);
if (res == -1)
{
qWarning() << "getGroupPeerToxId: Unknown error";
return peerToxId;
}
peerToxId = ToxId(CUserId::toString(rawID));
return peerToxId;
}
QList<QString> Core::getGroupPeerNames(int groupId) const
{
QList<QString> names;
int nPeers = getGroupNumberPeers(groupId);
if (nPeers == -1)
{
qWarning() << "getGroupPeerNames: Unable to get number of peers";
return names;
}
uint8_t namesArray[nPeers][TOX_MAX_NAME_LENGTH];
uint16_t* lengths = new uint16_t[nPeers];
int result = tox_group_get_names(tox, groupId, namesArray, lengths, nPeers);
if (result != nPeers)
{
qWarning() << "getGroupPeerNames: Unexpected result";
return names;
}
for (int i=0; i<nPeers; i++)
names.push_back(CString::toString(namesArray[i], lengths[i]));
return names;
}
int Core::joinGroupchat(int32_t friendnumber, uint8_t type, const uint8_t* friend_group_public_key,uint16_t length) const
{
if (type == TOX_GROUPCHAT_TYPE_TEXT)
{
qDebug() << QString("Trying to join text groupchat invite sent by friend %1").arg(friendnumber);
return tox_join_groupchat(tox, friendnumber, friend_group_public_key,length);
}
else if (type == TOX_GROUPCHAT_TYPE_AV)
{
qDebug() << QString("Trying to join AV groupchat invite sent by friend %1").arg(friendnumber);
return toxav_join_av_groupchat(tox, friendnumber, friend_group_public_key, length,
&Audio::playGroupAudioQueued, const_cast<Core*>(this));
}
else
{
qWarning() << "joinGroupchat: Unknown groupchat type "<<type;
return -1;
}
}
void Core::quitGroupChat(int groupId) const
{
tox_del_groupchat(tox, groupId);
}
void Core::groupInviteFriend(uint32_t friendId, int groupId)
{
tox_invite_friend(tox, friendId, groupId);
}
void Core::createGroup(uint8_t type)
{
if (type == TOX_GROUPCHAT_TYPE_TEXT)
{
emit emptyGroupCreated(tox_add_groupchat(tox));
}
else if (type == TOX_GROUPCHAT_TYPE_AV)
{
emit emptyGroupCreated(toxav_add_av_groupchat(tox, &Audio::playGroupAudioQueued, this));
}
else
{
qWarning() << "createGroup: Unknown type "<<type;
}
}
bool Core::isGroupAvEnabled(int groupId)
{
return tox_group_get_type(tox, groupId) == TOX_GROUPCHAT_TYPE_AV;
}
bool Core::isFriendOnline(uint32_t friendId) const
{
return tox_friend_get_connection_status(tox, friendId, nullptr) != TOX_CONNECTION_NONE;
}
bool Core::hasFriendWithAddress(const QString &addr) const
{
// Valid length check
if (addr.length() != (TOX_ADDRESS_SIZE * 2))
{
return false;
}
QString pubkey = addr.left(TOX_PUBLIC_KEY_SIZE * 2);
return hasFriendWithPublicKey(pubkey);
}
bool Core::hasFriendWithPublicKey(const QString &pubkey) const
{
// Valid length check
if (pubkey.length() != (TOX_PUBLIC_KEY_SIZE * 2))
return false;
bool found = false;
const size_t friendCount = tox_self_get_friend_list_size(tox);
if (friendCount > 0)
{
uint32_t *ids = new uint32_t[friendCount];
tox_self_get_friend_list(tox, ids);
for (int32_t i = 0; i < static_cast<int32_t>(friendCount); ++i)
{
// getFriendAddress may return either id (public key) or address
QString addrOrId = getFriendAddress(ids[i]);
// Set true if found
if (addrOrId.toUpper().startsWith(pubkey.toUpper()))
{
found = true;
break;
}
}
delete[] ids;
}
return found;
}
QString Core::getFriendAddress(uint32_t friendNumber) const
{
// If we don't know the full address of the client, return just the id, otherwise get the full address
uint8_t rawid[TOX_PUBLIC_KEY_SIZE];
if (!tox_friend_get_public_key(tox, friendNumber, rawid, nullptr))
{
qWarning() << "getFriendAddress: Getting public key failed";
return QString();
}
QByteArray data((char*)rawid,TOX_PUBLIC_KEY_SIZE);
QString id = data.toHex().toUpper();
QString addr = Settings::getInstance().getFriendAdress(id);
if (addr.size() > id.size())
return addr;
return id;
}
QString Core::getFriendUsername(uint32_t friendnumber) const
{
size_t namesize = tox_friend_get_name_size(tox, friendnumber, nullptr);
if (namesize == SIZE_MAX)
{
qWarning() << "getFriendUsername: Failed to get name size for friend "<<friendnumber;
return QString();
}
uint8_t* name = new uint8_t[namesize];
tox_friend_get_name(tox, friendnumber, name, nullptr);
QString sname = CString::toString(name, namesize);
delete[] name;
return sname;
}
QList<CString> Core::splitMessage(const QString &message, int maxLen)
{
QList<CString> splittedMsgs;
QByteArray ba_message(message.toUtf8());
while (ba_message.size() > maxLen)
{
int splitPos = ba_message.lastIndexOf(' ', maxLen - 1);
if (splitPos <= 0)
{
splitPos = maxLen;
if (ba_message[splitPos] & 0x80)
{
do {
splitPos--;
} while (!(ba_message[splitPos] & 0x40));
}
splitPos--;
}
splittedMsgs.push_back(CString(ba_message.left(splitPos + 1)));
ba_message = ba_message.mid(splitPos + 1);
}
splittedMsgs.push_back(CString(ba_message));
return splittedMsgs;
}
QString Core::getPeerName(const ToxId& id) const
{
QString name;
CUserId cid(id.toString());
uint32_t friendId = tox_friend_by_public_key(tox, (uint8_t*)cid.data(), nullptr);
if (friendId == std::numeric_limits<uint32_t>::max())
{
qWarning() << "getPeerName: No such peer";
return name;
}
const size_t nameSize = tox_friend_get_name_size(tox, friendId, nullptr);
if (nameSize == SIZE_MAX)
return name;
uint8_t* cname = new uint8_t[nameSize<TOX_MAX_NAME_LENGTH ? TOX_MAX_NAME_LENGTH : nameSize];
if (tox_friend_get_name(tox, friendId, cname, nullptr) == false)
{
qWarning() << "getPeerName: Can't get name of friend "+QString().setNum(friendId);
delete[] cname;
return name;
}
name = name.fromLocal8Bit((char*)cname, nameSize);
delete[] cname;
return name;
}
bool Core::isReady()
{
return toxav && tox && ready;
}
void Core::setNospam(uint32_t nospam)
{
uint8_t *nspm = reinterpret_cast<uint8_t*>(&nospam);
std::reverse(nspm, nspm + 4);
tox_self_set_nospam(tox, nospam);
}
void Core::resetCallSources()
{
for (ToxGroupCall& call : groupCalls)
{
for (ALuint source : call.alSources)
alDeleteSources(1, &source);
call.alSources.clear();
}
for (ToxCall& call : calls)
{
if (call.active && call.alSource)
{
ALuint tmp = call.alSource;
call.alSource = 0;
alDeleteSources(1, &tmp);
alGenSources(1, &call.alSource);
}
}
}