squawk/core/handlers/messagehandler.cpp

601 lines
25 KiB
C++

/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "messagehandler.h"
#include "core/account.h"
Core::MessageHandler::MessageHandler(Core::Account* account):
QObject(),
acc(account),
pendingStateMessages(),
uploadingSlotsQueue()
{}
void Core::MessageHandler::onMessageReceived(const QXmppMessage& msg) {
#if (QXMPP_VERSION) >= QT_VERSION_CHECK(1, 5, 0)
#ifdef WITH_OMEMO
switch (msg.encryptionMethod()) {
case QXmpp::NoEncryption:
break; //just do nothing
case QXmpp::UnknownEncryption:
qDebug() << "Account" << acc->getName() << "received a message with unknown encryption type";
break; //let it go the way it is, there is nothing I can do here
case QXmpp::Otr:
qDebug() << "Account" << acc->getName() << "received an OTR encrypted message, not supported yet";
break; //let it go the way it is, there is nothing I can do yet
case QXmpp::LegacyOpenPgp:
qDebug() << "Account" << acc->getName() << "received an LegacyOpenPgp encrypted message, not supported yet";
break; //let it go the way it is, there is nothing I can do yet
case QXmpp::Ox:
qDebug() << "Account" << acc->getName() << "received an Ox encrypted message, not supported yet";
break; //let it go the way it is, there is nothing I can do yet
case QXmpp::Omemo0:
qDebug() << "Account" << acc->getName() << "received an Omemo0 encrypted message, not supported yet";
break; //let it go the way it is, there is nothing I can do yet
case QXmpp::Omemo1:
qDebug() << "Account" << acc->getName() << "received an Omemo1 encrypted message, not supported yet";
break; //let it go the way it is, there is nothing I can do yet
case QXmpp::Omemo2:
qDebug() << "Account" << acc->getName() << "received an Omemo2 encrypted message, not supported yet";
break; //let it go the way it is, there is nothing I can do yet
}
#endif
#endif
bool handled = false;
switch (msg.type()) {
case QXmppMessage::Normal:
qDebug() << "received a message with type \"Normal\", not sure what to do with it now, skipping";
break;
case QXmppMessage::Chat:
#if (QXMPP_VERSION) >= QT_VERSION_CHECK(1, 5, 0)
handled = handleChatMessage(msg, false, msg.isCarbonForwarded(), true);
#else
handled = handleChatMessage(msg);
#endif
break;
case QXmppMessage::GroupChat:
handled = handleGroupMessage(msg);
break;
case QXmppMessage::Error: {
std::tuple<bool, QString, QString> ids = getOriginalPendingMessageId(msg.id());
if (std::get<0>(ids)) {
QString id = std::get<1>(ids);
QString jid = std::get<2>(ids);
RosterItem* cnt = acc->rh->getRosterItem(jid);
QMap<QString, QVariant> cData = {
{"state", static_cast<uint>(Shared::Message::State::error)},
{"errorText", msg.error().text()}
};
if (cnt != nullptr)
cnt->changeMessage(id, cData);
emit acc->changeMessage(jid, id, cData);
handled = true;
} else {
qDebug() << "received a message with type \"Error\", not sure what to do with it now, skipping";
}
}
break;
case QXmppMessage::Headline:
qDebug() << "received a message with type \"Headline\", not sure what to do with it now, skipping";
break;
}
if (!handled)
logMessage(msg);
}
bool Core::MessageHandler::handleChatMessage(const QXmppMessage& msg, bool outgoing, bool forwarded, bool guessing) {
if (msg.body().size() != 0 || msg.outOfBandUrl().size() > 0) {
Shared::Message sMsg(Shared::Message::chat);
initializeMessage(sMsg, msg, outgoing, forwarded, guessing);
QString jid = sMsg.getPenPalJid();
Contact* cnt = acc->rh->getContact(jid);
if (cnt == 0) {
cnt = acc->rh->addOutOfRosterContact(jid);
qDebug() << "appending message" << sMsg.getId() << "to an out of roster contact";
}
if (sMsg.getOutgoing()) {
if (sMsg.getForwarded()) {
sMsg.setState(Shared::Message::State::sent);
}
} else {
sMsg.setState(Shared::Message::State::delivered);
}
QString oId = msg.replaceId();
if (oId.size() > 0) {
QMap<QString, QVariant> cData = {
{"body", sMsg.getBody()},
{"stamp", sMsg.getTime()}
};
cnt->correctMessageInArchive(oId, sMsg);
emit acc->changeMessage(jid, oId, cData);
} else {
cnt->appendMessageToArchive(sMsg);
emit acc->message(sMsg);
}
return true;
}
return false;
}
bool Core::MessageHandler::handleGroupMessage(const QXmppMessage& msg, bool outgoing, bool forwarded, bool guessing) {
const QString& body(msg.body());
if (body.size() != 0) {
Shared::Message sMsg(Shared::Message::groupChat);
initializeMessage(sMsg, msg, outgoing, forwarded, guessing);
QString jid = sMsg.getPenPalJid();
Conference* cnt = acc->rh->getConference(jid);
if (cnt == 0) {
return false;
}
std::tuple<bool, QString, QString> ids = getOriginalPendingMessageId(msg.id());
if (std::get<0>(ids)) {
QMap<QString, QVariant> cData = {{"state", static_cast<uint>(Shared::Message::State::delivered)}};
cnt->changeMessage(std::get<1>(ids), cData);
emit acc->changeMessage(std::get<2>(ids), std::get<1>(ids), cData);
} else {
QString oId = msg.replaceId();
if (oId.size() > 0) {
QMap<QString, QVariant> cData = {
{"body", sMsg.getBody()},
{"stamp", sMsg.getTime()}
};
cnt->correctMessageInArchive(oId, sMsg);
emit acc->changeMessage(jid, oId, cData);
} else {
cnt->appendMessageToArchive(sMsg);
QDateTime minAgo = QDateTime::currentDateTimeUtc().addSecs(-60);
if (sMsg.getTime() > minAgo) { //otherwise it's considered a delayed delivery, most probably MUC history receipt
emit acc->message(sMsg);
} else {
//qDebug() << "Delayed delivery: ";
}
}
}
return true;
}
return false;
}
void Core::MessageHandler::initializeMessage(Shared::Message& target, const QXmppMessage& source, bool outgoing, bool forwarded, bool guessing) const {
const QDateTime& time(source.stamp());
QString id;
#if (QXMPP_VERSION) >= QT_VERSION_CHECK(1, 3, 0)
id = source.originId();
if (id.size() == 0) {
id = source.id();
}
target.setStanzaId(source.stanzaId());
qDebug() << "initializing message with originId:" << source.originId() << ", id:" << source.id() << ", stansaId:" << source.stanzaId();
#else
id = source.id();
#endif
target.setId(id);
QString messageId = target.getId();
if (messageId.size() == 0) {
target.generateRandomId(); //TODO out of desperation, I need at least a random ID
messageId = target.getId();
qDebug() << "Had do initialize a message with no id, assigning autogenerated" << messageId;
}
target.setFrom(source.from());
target.setTo(source.to());
target.setBody(source.body());
target.setForwarded(forwarded);
if (guessing) {
if (target.getFromJid() == acc->getBareJid()) {
outgoing = true;
} else {
outgoing = false;
}
}
target.setOutgoing(outgoing);
if (time.isValid()) {
target.setTime(time);
} else {
target.setCurrentTime();
}
QString oob = source.outOfBandUrl();
if (oob.size() > 0) {
target.setAttachPath(acc->network->addMessageAndCheckForPath(oob, acc->getName(), target.getPenPalJid(), messageId));
}
target.setOutOfBandUrl(oob);
}
void Core::MessageHandler::logMessage(const QXmppMessage& msg, const QString& reason) {
qDebug() << reason;
qDebug() << "- from: " << msg.from();
qDebug() << "- to: " << msg.to();
qDebug() << "- body: " << msg.body();
qDebug() << "- type: " << msg.type();
qDebug() << "- state: " << msg.state();
qDebug() << "- stamp: " << msg.stamp();
qDebug() << "- id: " << msg.id();
#if (QXMPP_VERSION) >= QT_VERSION_CHECK(1, 3, 0)
qDebug() << "- stanzaId: " << msg.stanzaId();
#endif
qDebug() << "- outOfBandUrl: " << msg.outOfBandUrl();
qDebug() << "==============================";
}
#if (QXMPP_VERSION) < QT_VERSION_CHECK(1, 5, 0)
void Core::MessageHandler::onCarbonMessageReceived(const QXmppMessage& msg) {
handleChatMessage(msg, false, true);
}
void Core::MessageHandler::onCarbonMessageSent(const QXmppMessage& msg) {
handleChatMessage(msg, true, true);
}
#endif
std::tuple<bool, QString, QString> Core::MessageHandler::getOriginalPendingMessageId(const QString& id) {
std::tuple<bool, QString, QString> result({false, "", ""});
std::map<QString, QString>::const_iterator itr = pendingStateMessages.find(id);
if (itr != pendingStateMessages.end()) {
std::get<0>(result) = true;
std::get<2>(result) = itr->second;
std::map<QString, QString>::const_iterator itrC = pendingCorrectionMessages.find(id);
if (itrC != pendingCorrectionMessages.end()) {
if (itrC->second.size() > 0)
std::get<1>(result) = itrC->second;
else
std::get<1>(result) = itr->first;
pendingCorrectionMessages.erase(itrC);
} else {
std::get<1>(result) = itr->first;
}
pendingStateMessages.erase(itr);
}
return result;
}
void Core::MessageHandler::onReceiptReceived(const QString& jid, const QString& id) {
SHARED_UNUSED(jid);
std::tuple<bool, QString, QString> ids = getOriginalPendingMessageId(id);
if (std::get<0>(ids)) {
QMap<QString, QVariant> cData = {{"state", static_cast<uint>(Shared::Message::State::delivered)}};
RosterItem* ri = acc->rh->getRosterItem(std::get<2>(ids));
if (ri != nullptr) {
ri->changeMessage(std::get<1>(ids), cData);
}
emit acc->changeMessage(std::get<2>(ids), std::get<1>(ids), cData);
}
}
void Core::MessageHandler::sendMessage(const Shared::Message& data, bool newMessage, QString originalId) {
if (data.getOutOfBandUrl().size() == 0 && data.getAttachPath().size() > 0) {
pendingCorrectionMessages.insert(std::make_pair(data.getId(), originalId));
prepareUpload(data, newMessage);
} else {
performSending(data, originalId, newMessage);
}
}
void Core::MessageHandler::performSending(Shared::Message data, const QString& originalId, bool newMessage) {
QString jid = data.getPenPalJid();
QString id = data.getId();
qDebug() << "Sending message with id:" << id;
if (originalId.size() > 0)
qDebug() << "To replace one with id:" << originalId;
RosterItem* ri = acc->rh->getRosterItem(jid);
bool sent = false;
if (newMessage && originalId.size() > 0)
newMessage = false;
QDateTime sendTime = QDateTime::currentDateTimeUtc();
if (acc->state == Shared::ConnectionState::connected) {
QXmppMessage msg(createPacket(data, sendTime, originalId));
sent = acc->client.sendPacket(msg);
if (sent) {
data.setState(Shared::Message::State::sent);
} else {
data.setState(Shared::Message::State::error);
data.setErrorText("Couldn't send message: internal QXMPP library error, probably need to check out the logs");
}
} else {
data.setState(Shared::Message::State::error);
data.setErrorText("You are is offline or reconnecting");
}
QMap<QString, QVariant> changes(getChanges(data, sendTime, newMessage, originalId));
QString realId;
if (originalId.size() > 0)
realId = originalId;
else
realId = id;
if (ri != nullptr) {
if (newMessage)
ri->appendMessageToArchive(data);
else
ri->changeMessage(realId, changes);
if (sent) {
pendingStateMessages.insert(std::make_pair(id, jid));
if (originalId.size() > 0)
pendingCorrectionMessages.insert(std::make_pair(id, originalId));
} else {
pendingStateMessages.erase(id);
pendingCorrectionMessages.erase(id);
}
}
emit acc->changeMessage(jid, realId, changes);
}
QMap<QString, QVariant> Core::MessageHandler::getChanges(Shared::Message& data, const QDateTime& time, bool newMessage, const QString& originalId) const {
QMap<QString, QVariant> changes;
QString oob = data.getOutOfBandUrl();
Shared::Message::State mstate = data.getState();
changes.insert("state", static_cast<uint>(mstate));
if (mstate == Shared::Message::State::error)
changes.insert("errorText", data.getErrorText());
if (oob.size() > 0)
changes.insert("outOfBandUrl", oob);
if (newMessage)
data.setTime(time);
if (originalId.size() > 0)
changes.insert("body", data.getBody());
changes.insert("stamp", time);
//sometimes (when the image is pasted with ctrl+v)
//I start sending message with one path, then copy it to downloads directory
//so, the final path changes. Let's assume it changes always since it costs me close to nothing
QString attachPath = data.getAttachPath();
if (attachPath.size() > 0) {
QString squawkified = Shared::squawkifyPath(attachPath);
changes.insert("attachPath", squawkified);
if (attachPath != squawkified)
data.setAttachPath(squawkified);
}
return changes;
}
QXmppMessage Core::MessageHandler::createPacket(const Shared::Message& data, const QDateTime& time, const QString& originalId) const {
QXmppMessage msg(acc->getFullJid(), data.getTo(), data.getBody(), data.getThread());
QString id(data.getId());
if (originalId.size() > 0)
msg.setReplaceId(originalId);
#if (QXMPP_VERSION) >= QT_VERSION_CHECK(1, 3, 0)
msg.setOriginId(id);
#endif
msg.setId(id);
msg.setType(static_cast<QXmppMessage::Type>(data.getType())); //it is safe here, my type is compatible
msg.setOutOfBandUrl(data.getOutOfBandUrl());
msg.setReceiptRequested(true);
msg.setStamp(time);
return msg;
}
void Core::MessageHandler::prepareUpload(const Shared::Message& data, bool newMessage) {
if (acc->state == Shared::ConnectionState::connected) {
QString jid = data.getPenPalJid();
QString id = data.getId();
RosterItem* ri = acc->rh->getRosterItem(jid);
if (ri == nullptr) {
qDebug() << "An attempt to initialize upload in" << acc->name << "for pal" << jid << "but the object for this pal wasn't found, something went terrebly wrong, skipping send";
return;
}
QString path = data.getAttachPath();
QString url = acc->network->getFileRemoteUrl(path);
if (url.size() != 0) {
sendMessageWithLocalUploadedFile(data, url, newMessage);
} else {
pendingStateMessages.insert(std::make_pair(id, jid));
if (newMessage) {
ri->appendMessageToArchive(data);
} else {
QMap<QString, QVariant> changes({
{"state", (uint)Shared::Message::State::pending}
});
ri->changeMessage(id, changes);
emit acc->changeMessage(jid, id, changes);
}
//this checks if the file is already uploading, and if so it subscribes to it's success, so, i need to do stuff only if the network knows nothing of this file
if (!acc->network->checkAndAddToUploading(acc->getName(), jid, id, path)) {
if (acc->um->serviceFound()) {
QFileInfo file(path);
if (file.exists() && file.isReadable()) {
pendingStateMessages.insert(std::make_pair(id, jid));
uploadingSlotsQueue.emplace_back(path, id);
if (uploadingSlotsQueue.size() == 1)
acc->um->requestUploadSlot(file);
} else {
handleUploadError(jid, id, "Uploading file no longer exists or your system user has no permission to read it");
qDebug() << "Requested upload slot in account" << acc->name << "for file" << path << "but the file doesn't exist or is not readable";
}
} else {
handleUploadError(jid, id, "Your server doesn't support file upload service, or it's prohibited for your account");
qDebug() << "Requested upload slot in account" << acc->name << "for file" << path << "but upload manager didn't discover any upload services";
}
}
}
} else {
handleUploadError(data.getPenPalJid(), data.getId(), "Account is offline or reconnecting");
qDebug() << "An attempt to send message with not connected account " << acc->name << ", skipping";
}
}
void Core::MessageHandler::onUploadSlotReceived(const QXmppHttpUploadSlotIq& slot) {
if (uploadingSlotsQueue.size() == 0) {
qDebug() << "HTTP Upload manager of account" << acc->name << "reports about success requesting upload slot, but none was requested";
} else {
const std::pair<QString, QString>& pair = uploadingSlotsQueue.front();
const QString& mId = pair.second;
QString palJid = pendingStateMessages.at(mId);
acc->network->uploadFile({acc->name, palJid, mId}, pair.first, slot.putUrl(), slot.getUrl(), slot.putHeaders());
uploadingSlotsQueue.pop_front();
if (uploadingSlotsQueue.size() > 0)
acc->um->requestUploadSlot(uploadingSlotsQueue.front().first);
}
}
void Core::MessageHandler::onUploadSlotRequestFailed(const QXmppHttpUploadRequestIq& request) {
QString err(request.error().text());
if (uploadingSlotsQueue.size() == 0) {
qDebug() << "HTTP Upload manager of account" << acc->name << "reports about an error requesting upload slot, but none was requested";
qDebug() << err;
} else {
const std::pair<QString, QString>& pair = uploadingSlotsQueue.front();
qDebug() << "Error requesting upload slot for file" << pair.first << "in account" << acc->name << ":" << err;
handleUploadError(pendingStateMessages.at(pair.second), pair.second, err);
uploadingSlotsQueue.pop_front();
if (uploadingSlotsQueue.size() > 0)
acc->um->requestUploadSlot(uploadingSlotsQueue.front().first);
}
}
void Core::MessageHandler::onDownloadFileComplete(const std::list<Shared::MessageInfo>& msgs, const QString& path) {
QMap<QString, QVariant> cData = {
{"attachPath", path}
};
for (const Shared::MessageInfo& info : msgs) {
if (info.account == acc->getName()) {
RosterItem* cnt = acc->rh->getRosterItem(info.jid);
if (cnt != nullptr) {
bool changed = cnt->changeMessage(info.messageId, cData);
if (changed)
emit acc->changeMessage(info.jid, info.messageId, cData);
}
}
}
}
void Core::MessageHandler::onLoadFileError(const std::list<Shared::MessageInfo>& msgs, const QString& text, bool up) {
if (up) {
for (const Shared::MessageInfo& info : msgs) {
if (info.account == acc->getName())
handleUploadError(info.jid, info.messageId, text);
}
}
}
void Core::MessageHandler::handleUploadError(const QString& jid, const QString& messageId, const QString& errorText) {
emit acc->uploadFileError(jid, messageId, "Error requesting slot to upload file: " + errorText);
pendingStateMessages.erase(messageId);
pendingCorrectionMessages.erase(messageId);
requestChangeMessage(jid, messageId, {
{"state", static_cast<uint>(Shared::Message::State::error)},
{"errorText", errorText}
});
}
void Core::MessageHandler::onUploadFileComplete(const std::list<Shared::MessageInfo>& msgs, const QString& url, const QString& path) {
for (const Shared::MessageInfo& info : msgs) {
if (info.account == acc->getName()) {
RosterItem* ri = acc->rh->getRosterItem(info.jid);
if (ri != nullptr) {
Shared::Message msg = ri->getMessage(info.messageId);
msg.setAttachPath(path);
sendMessageWithLocalUploadedFile(msg, url, false);
} else {
qDebug() << "A signal received about complete upload to" << acc->name << "for pal" << info.jid << "but the object for this pal wasn't found, something went terrebly wrong, skipping send";
}
}
}
}
void Core::MessageHandler::sendMessageWithLocalUploadedFile(Shared::Message msg, const QString& url, bool newMessage) {
msg.setOutOfBandUrl(url);
if (msg.getBody().size() == 0) //not sure why, but most messages do that
msg.setBody(url); //they duplicate oob in body, some of them wouldn't even show an attachment if you don't do that
performSending(msg, pendingCorrectionMessages.at(msg.getId()), newMessage);
//TODO removal/progress update
}
static const std::set<QString> allowedToChangeKeys({
"attachPath",
"outOfBandUrl",
"state",
"errorText"
});
void Core::MessageHandler::requestChangeMessage(const QString& jid, const QString& messageId, const QMap<QString, QVariant>& data) {
RosterItem* cnt = acc->rh->getRosterItem(jid);
if (cnt != nullptr) {
bool allSupported = true;
QString unsupportedString;
for (QMap<QString, QVariant>::const_iterator itr = data.begin(); itr != data.end(); ++itr) { //I need all this madness
if (allowedToChangeKeys.count(itr.key()) != 1) { //to not allow this method
allSupported = false; //to make a message to look like if it was edited
unsupportedString = itr.key(); //basically I needed to control who exaclty calls this method
break; //because the underlying tech assumes that
} //the change is initiated by user, not by system
}
if (allSupported) {
cnt->changeMessage(messageId, data);
emit acc->changeMessage(jid, messageId, data);
} else {
qDebug() << "A request to change message" << messageId << "of conversation" << jid << "with following data" << data;
qDebug() << "only limited set of dataFields are supported yet here, and" << unsupportedString << "isn't one of them, skipping";
}
}
}
void Core::MessageHandler::resendMessage(const QString& jid, const QString& id) {
RosterItem* cnt = acc->rh->getRosterItem(jid);
if (cnt != nullptr) {
try {
Shared::Message msg = cnt->getMessage(id);
if (msg.getState() == Shared::Message::State::error) {
if (msg.getEdited()){
QString originalId = msg.getId();
msg.generateRandomId();
sendMessage(msg, false, originalId);
} else {
sendMessage(msg, false);
}
} else {
qDebug() << "An attempt to resend a message to" << jid << "by account" << acc->getName() << ", but this message seems to have been normally sent, this method was made to retry sending failed to be sent messages, skipping";
}
} catch (const LMDBAL::NotFound& err) {
qDebug() << "An attempt to resend a message to" << jid << "by account" << acc->getName() << ", but this message wasn't found in history, skipping";
}
} else {
qDebug() << "An attempt to resend a message to" << jid << "by account" << acc->getName() << ", but this jid isn't present in account roster, skipping";
}
}