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Nicolas Werner authoredNicolas Werner authored
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TimelineModel.cpp 57.75 KiB
#include "TimelineModel.h"
#include <algorithm>
#include <thread>
#include <type_traits>
#include <QCache>
#include <QFileDialog>
#include <QMimeDatabase>
#include <QRegularExpression>
#include <QSettings>
#include <QStandardPaths>
#include "ChatPage.h"
#include "EventAccessors.h"
#include "Logging.h"
#include "MainWindow.h"
#include "MatrixClient.h"
#include "MxcImageProvider.h"
#include "Olm.h"
#include "TimelineViewManager.h"
#include "Utils.h"
#include "dialogs/RawMessage.h"
Q_DECLARE_METATYPE(QModelIndex)
namespace std {
inline uint
qHash(const std::string &key, uint seed = 0)
{
return qHash(QByteArray::fromRawData(key.data(), (int)key.length()), seed);
}
}
namespace {
struct RoomEventType
{
template<class T>
qml_mtx_events::EventType operator()(const mtx::events::Event<T> &e)
{
using mtx::events::EventType;
switch (e.type) {
case EventType::RoomKeyRequest:
return qml_mtx_events::EventType::KeyRequest;
case EventType::Reaction:
return qml_mtx_events::EventType::Reaction;
case EventType::RoomAliases:
return qml_mtx_events::EventType::Aliases;
case EventType::RoomAvatar:
return qml_mtx_events::EventType::Avatar;
case EventType::RoomCanonicalAlias:
return qml_mtx_events::EventType::CanonicalAlias;
case EventType::RoomCreate:
return qml_mtx_events::EventType::RoomCreate;
case EventType::RoomEncrypted:
return qml_mtx_events::EventType::Encrypted;
case EventType::RoomEncryption:
return qml_mtx_events::EventType::Encryption;
case EventType::RoomGuestAccess:
return qml_mtx_events::EventType::RoomGuestAccess;
case EventType::RoomHistoryVisibility:
return qml_mtx_events::EventType::RoomHistoryVisibility;
case EventType::RoomJoinRules:
return qml_mtx_events::EventType::RoomJoinRules;
case EventType::RoomMember:
return qml_mtx_events::EventType::Member;
case EventType::RoomMessage:
return qml_mtx_events::EventType::UnknownMessage;
case EventType::RoomName:
return qml_mtx_events::EventType::Name; case EventType::RoomPowerLevels:
return qml_mtx_events::EventType::PowerLevels;
case EventType::RoomTopic:
return qml_mtx_events::EventType::Topic;
case EventType::RoomTombstone:
return qml_mtx_events::EventType::Tombstone;
case EventType::RoomRedaction:
return qml_mtx_events::EventType::Redaction;
case EventType::RoomPinnedEvents:
return qml_mtx_events::EventType::PinnedEvents;
case EventType::Sticker:
return qml_mtx_events::EventType::Sticker;
case EventType::Tag:
return qml_mtx_events::EventType::Tag;
case EventType::Unsupported:
return qml_mtx_events::EventType::Unsupported;
default:
return qml_mtx_events::EventType::UnknownMessage;
}
}
qml_mtx_events::EventType operator()(const mtx::events::Event<mtx::events::msg::Audio> &)
{
return qml_mtx_events::EventType::AudioMessage;
}
qml_mtx_events::EventType operator()(const mtx::events::Event<mtx::events::msg::Emote> &)
{
return qml_mtx_events::EventType::EmoteMessage;
}
qml_mtx_events::EventType operator()(const mtx::events::Event<mtx::events::msg::File> &)
{
return qml_mtx_events::EventType::FileMessage;
}
qml_mtx_events::EventType operator()(const mtx::events::Event<mtx::events::msg::Image> &)
{
return qml_mtx_events::EventType::ImageMessage;
}
qml_mtx_events::EventType operator()(const mtx::events::Event<mtx::events::msg::Notice> &)
{
return qml_mtx_events::EventType::NoticeMessage;
}
qml_mtx_events::EventType operator()(const mtx::events::Event<mtx::events::msg::Text> &)
{
return qml_mtx_events::EventType::TextMessage;
}
qml_mtx_events::EventType operator()(const mtx::events::Event<mtx::events::msg::Video> &)
{
return qml_mtx_events::EventType::VideoMessage;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::KeyVerificationRequest> &)
{
return qml_mtx_events::EventType::KeyVerificationRequest;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::KeyVerificationStart> &)
{
return qml_mtx_events::EventType::KeyVerificationStart;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::KeyVerificationMac> &)
{
return qml_mtx_events::EventType::KeyVerificationMac;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::KeyVerificationAccept> &)
{
return qml_mtx_events::EventType::KeyVerificationAccept;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::KeyVerificationReady> &) {
return qml_mtx_events::EventType::KeyVerificationReady;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::KeyVerificationCancel> &)
{
return qml_mtx_events::EventType::KeyVerificationCancel;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::KeyVerificationKey> &)
{
return qml_mtx_events::EventType::KeyVerificationKey;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::KeyVerificationDone> &)
{
return qml_mtx_events::EventType::KeyVerificationDone;
}
qml_mtx_events::EventType operator()(const mtx::events::Event<mtx::events::msg::Redacted> &)
{
return qml_mtx_events::EventType::Redacted;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::CallInvite> &)
{
return qml_mtx_events::EventType::CallInvite;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::CallAnswer> &)
{
return qml_mtx_events::EventType::CallAnswer;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::CallHangUp> &)
{
return qml_mtx_events::EventType::CallHangUp;
}
qml_mtx_events::EventType operator()(
const mtx::events::Event<mtx::events::msg::CallCandidates> &)
{
return qml_mtx_events::EventType::CallCandidates;
}
// ::EventType::Type operator()(const Event<mtx::events::msg::Location> &e) { return
// ::EventType::LocationMessage; }
};
}
qml_mtx_events::EventType
toRoomEventType(const mtx::events::collections::TimelineEvents &event)
{
return std::visit(RoomEventType{}, event);
}
QString
toRoomEventTypeString(const mtx::events::collections::TimelineEvents &event)
{
return std::visit([](const auto &e) { return QString::fromStdString(to_string(e.type)); },
event);
}
TimelineModel::TimelineModel(TimelineViewManager *manager, QString room_id, QObject *parent)
: QAbstractListModel(parent)
, events(room_id.toStdString(), this)
, room_id_(room_id)
, manager_(manager)
{
connect(
this,
&TimelineModel::redactionFailed,
this, [](const QString &msg) { emit ChatPage::instance()->showNotification(msg); },
Qt::QueuedConnection);
connect(this,
&TimelineModel::newMessageToSend,
this,
&TimelineModel::addPendingMessage,
Qt::QueuedConnection);
connect(this, &TimelineModel::addPendingMessageToStore, &events, &EventStore::addPending);
connect(
&events,
&EventStore::dataChanged,
this,
[this](int from, int to) {
nhlog::ui()->debug(
"data changed {} to {}", events.size() - to - 1, events.size() - from - 1);
emit dataChanged(index(events.size() - to - 1, 0),
index(events.size() - from - 1, 0));
},
Qt::QueuedConnection);
connect(&events, &EventStore::beginInsertRows, this, [this](int from, int to) {
int first = events.size() - to;
int last = events.size() - from;
if (from >= events.size()) {
int batch_size = to - from;
first += batch_size;
last += batch_size;
} else {
first -= 1;
last -= 1;
}
nhlog::ui()->debug("begin insert from {} to {}", first, last);
beginInsertRows(QModelIndex(), first, last);
});
connect(&events, &EventStore::endInsertRows, this, [this]() { endInsertRows(); });
connect(&events, &EventStore::beginResetModel, this, [this]() { beginResetModel(); });
connect(&events, &EventStore::endResetModel, this, [this]() { endResetModel(); });
connect(&events, &EventStore::newEncryptedImage, this, &TimelineModel::newEncryptedImage);
connect(
&events, &EventStore::fetchedMore, this, [this]() { setPaginationInProgress(false); });
connect(&events,
&EventStore::startDMVerification,
this,
[this](mtx::events::RoomEvent<mtx::events::msg::KeyVerificationRequest> msg) {
ChatPage::instance()->receivedRoomDeviceVerificationRequest(msg, this);
});
connect(&events, &EventStore::updateFlowEventId, this, [this](std::string event_id) {
this->updateFlowEventId(event_id);
});
}
QHash<int, QByteArray>
TimelineModel::roleNames() const
{
return {
{Type, "type"},
{TypeString, "typeString"},
{IsOnlyEmoji, "isOnlyEmoji"},
{Body, "body"},
{FormattedBody, "formattedBody"},
{PreviousMessageUserId, "previousMessageUserId"},
{UserId, "userId"},
{UserName, "userName"},
{PreviousMessageDay, "previousMessageDay"},
{Day, "day"},
{Timestamp, "timestamp"},
{Url, "url"},
{ThumbnailUrl, "thumbnailUrl"}, {Blurhash, "blurhash"},
{Filename, "filename"},
{Filesize, "filesize"},
{MimeType, "mimetype"},
{Height, "height"},
{Width, "width"},
{ProportionalHeight, "proportionalHeight"},
{Id, "id"},
{State, "state"},
{IsEncrypted, "isEncrypted"},
{IsRoomEncrypted, "isRoomEncrypted"},
{ReplyTo, "replyTo"},
{Reactions, "reactions"},
{RoomId, "roomId"},
{RoomName, "roomName"},
{RoomTopic, "roomTopic"},
{CallType, "callType"},
{Dump, "dump"},
};
}
int
TimelineModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return this->events.size();
}
QVariantMap
TimelineModel::getDump(QString eventId, QString relatedTo) const
{
if (auto event = events.get(eventId.toStdString(), relatedTo.toStdString()))
return data(*event, Dump).toMap();
return {};
}
QVariant
TimelineModel::data(const mtx::events::collections::TimelineEvents &event, int role) const
{
using namespace mtx::accessors;
namespace acc = mtx::accessors;
switch (role) {
case UserId:
return QVariant(QString::fromStdString(acc::sender(event)));
case UserName:
return QVariant(displayName(QString::fromStdString(acc::sender(event))));
case Day: {
QDateTime prevDate = origin_server_ts(event);
prevDate.setTime(QTime());
return QVariant(prevDate.toMSecsSinceEpoch());
}
case Timestamp:
return QVariant(origin_server_ts(event));
case Type:
return QVariant(toRoomEventType(event));
case TypeString:
return QVariant(toRoomEventTypeString(event));
case IsOnlyEmoji: {
QString qBody = QString::fromStdString(body(event));
QVector<uint> utf32_string = qBody.toUcs4();
int emojiCount = 0;
for (auto &code : utf32_string) {
if (utils::codepointIsEmoji(code)) {
emojiCount++;
} else {
return QVariant(0);
} }
return QVariant(emojiCount);
}
case Body:
return QVariant(
utils::replaceEmoji(QString::fromStdString(body(event)).toHtmlEscaped()));
case FormattedBody: {
const static QRegularExpression replyFallback(
"<mx-reply>.*</mx-reply>", QRegularExpression::DotMatchesEverythingOption);
bool isReply = !in_reply_to_event(event).empty();
auto formattedBody_ = QString::fromStdString(formatted_body(event));
if (formattedBody_.isEmpty()) {
auto body_ = QString::fromStdString(body(event));
if (isReply) {
while (body_.startsWith("> "))
body_ = body_.right(body_.size() - body_.indexOf('\n') - 1);
if (body_.startsWith('\n'))
body_ = body_.right(body_.size() - 1);
}
formattedBody_ = body_.toHtmlEscaped().replace('\n', "<br>");
} else {
if (isReply)
formattedBody_ = formattedBody_.remove(replyFallback);
}
formattedBody_.replace("<img src=\"mxc://", "<img src=\"image://mxcImage/");
formattedBody_.replace("<img src=\"mxc://", "<img src=\"image://mxcImage/");
return QVariant(utils::replaceEmoji(
utils::linkifyMessage(utils::escapeBlacklistedHtml(formattedBody_))));
}
case Url:
return QVariant(QString::fromStdString(url(event)));
case ThumbnailUrl:
return QVariant(QString::fromStdString(thumbnail_url(event)));
case Blurhash:
return QVariant(QString::fromStdString(blurhash(event)));
case Filename:
return QVariant(QString::fromStdString(filename(event)));
case Filesize:
return QVariant(utils::humanReadableFileSize(filesize(event)));
case MimeType:
return QVariant(QString::fromStdString(mimetype(event)));
case Height:
return QVariant(qulonglong{media_height(event)});
case Width:
return QVariant(qulonglong{media_width(event)});
case ProportionalHeight: {
auto w = media_width(event);
if (w == 0)
w = 1;
double prop = media_height(event) / (double)w;
return QVariant(prop > 0 ? prop : 1.);
}
case Id:
return QVariant(QString::fromStdString(event_id(event)));
case State: {
auto id = QString::fromStdString(event_id(event));
auto containsOthers = [](const auto &vec) {
for (const auto &e : vec)
if (e.second != http::client()->user_id().to_string())
return true;
return false;
};
// only show read receipts for messages not from us
if (acc::sender(event) != http::client()->user_id().to_string())
return qml_mtx_events::Empty;
else if (!id.isEmpty() && id[0] == "m")
return qml_mtx_events::Sent;
else if (read.contains(id) || containsOthers(cache::readReceipts(id, room_id_)))
return qml_mtx_events::Read;
else
return qml_mtx_events::Received;
}
case IsEncrypted: {
auto id = event_id(event);
auto encrypted_event = events.get(id, id, false);
return encrypted_event &&
std::holds_alternative<
mtx::events::EncryptedEvent<mtx::events::msg::Encrypted>>(
*encrypted_event);
}
case IsRoomEncrypted: {
return cache::isRoomEncrypted(room_id_.toStdString());
}
case ReplyTo:
return QVariant(QString::fromStdString(in_reply_to_event(event)));
case Reactions: {
auto id = event_id(event);
return QVariant::fromValue(events.reactions(id));
}
case RoomId:
return QVariant(room_id_);
case RoomName:
return QVariant(QString::fromStdString(room_name(event)));
case RoomTopic:
return QVariant(QString::fromStdString(room_topic(event)));
case CallType:
return QVariant(QString::fromStdString(call_type(event)));
case Dump: {
QVariantMap m;
auto names = roleNames();
m.insert(names[Type], data(event, static_cast<int>(Type)));
m.insert(names[TypeString], data(event, static_cast<int>(TypeString)));
m.insert(names[IsOnlyEmoji], data(event, static_cast<int>(IsOnlyEmoji)));
m.insert(names[Body], data(event, static_cast<int>(Body)));
m.insert(names[FormattedBody], data(event, static_cast<int>(FormattedBody)));
m.insert(names[UserId], data(event, static_cast<int>(UserId)));
m.insert(names[UserName], data(event, static_cast<int>(UserName)));
m.insert(names[Day], data(event, static_cast<int>(Day)));
m.insert(names[Timestamp], data(event, static_cast<int>(Timestamp)));
m.insert(names[Url], data(event, static_cast<int>(Url)));
m.insert(names[ThumbnailUrl], data(event, static_cast<int>(ThumbnailUrl)));
m.insert(names[Blurhash], data(event, static_cast<int>(Blurhash)));
m.insert(names[Filename], data(event, static_cast<int>(Filename)));
m.insert(names[Filesize], data(event, static_cast<int>(Filesize)));
m.insert(names[MimeType], data(event, static_cast<int>(MimeType)));
m.insert(names[Height], data(event, static_cast<int>(Height)));
m.insert(names[Width], data(event, static_cast<int>(Width)));
m.insert(names[ProportionalHeight],
data(event, static_cast<int>(ProportionalHeight)));
m.insert(names[Id], data(event, static_cast<int>(Id)));
m.insert(names[State], data(event, static_cast<int>(State)));
m.insert(names[IsEncrypted], data(event, static_cast<int>(IsEncrypted)));
m.insert(names[IsRoomEncrypted], data(event, static_cast<int>(IsRoomEncrypted)));
m.insert(names[ReplyTo], data(event, static_cast<int>(ReplyTo)));
m.insert(names[RoomName], data(event, static_cast<int>(RoomName)));
m.insert(names[RoomTopic], data(event, static_cast<int>(RoomTopic)));
m.insert(names[CallType], data(event, static_cast<int>(CallType)));
return QVariant(m);
} default:
return QVariant();
}
}
QVariant
TimelineModel::data(const QModelIndex &index, int role) const
{
using namespace mtx::accessors;
namespace acc = mtx::accessors;
if (index.row() < 0 && index.row() >= rowCount())
return QVariant();
auto event = events.get(rowCount() - index.row() - 1);
if (!event)
return "";
if (role == PreviousMessageDay || role == PreviousMessageUserId) {
int prevIdx = rowCount() - index.row() - 2;
if (prevIdx < 0)
return QVariant();
auto tempEv = events.get(prevIdx);
if (!tempEv)
return QVariant();
if (role == PreviousMessageUserId)
return data(*tempEv, UserId);
else
return data(*tempEv, Day);
}
return data(*event, role);
}
bool
TimelineModel::canFetchMore(const QModelIndex &) const
{
if (!events.size())
return true;
if (auto first = events.get(0);
first &&
!std::holds_alternative<mtx::events::StateEvent<mtx::events::state::Create>>(*first))
return true;
else
return false;
}
void
TimelineModel::setPaginationInProgress(const bool paginationInProgress)
{
if (m_paginationInProgress == paginationInProgress) {
return;
}
m_paginationInProgress = paginationInProgress;
emit paginationInProgressChanged(m_paginationInProgress);
}
void
TimelineModel::fetchMore(const QModelIndex &)
{
if (m_paginationInProgress) {
nhlog::ui()->warn("Already loading older messages");
return;
}
setPaginationInProgress(true);
events.fetchMore();}
void
TimelineModel::syncState(const mtx::responses::State &s)
{
using namespace mtx::events;
for (const auto &e : s.events) {
if (std::holds_alternative<StateEvent<state::Avatar>>(e))
emit roomAvatarUrlChanged();
else if (std::holds_alternative<StateEvent<state::Name>>(e))
emit roomNameChanged();
else if (std::holds_alternative<StateEvent<state::Topic>>(e))
emit roomTopicChanged();
else if (std::holds_alternative<StateEvent<state::Member>>(e)) {
emit roomAvatarUrlChanged();
emit roomNameChanged();
}
}
}
void
TimelineModel::addEvents(const mtx::responses::Timeline &timeline)
{
if (timeline.events.empty())
return;
events.handleSync(timeline);
using namespace mtx::events;
for (auto e : timeline.events) {
if (auto encryptedEvent = std::get_if<EncryptedEvent<msg::Encrypted>>(&e)) {
MegolmSessionIndex index;
index.room_id = room_id_.toStdString();
index.session_id = encryptedEvent->content.session_id;
index.sender_key = encryptedEvent->content.sender_key;
auto result = olm::decryptEvent(index, *encryptedEvent);
if (result.event)
e = result.event.value();
}
if (std::holds_alternative<RoomEvent<msg::CallCandidates>>(e) ||
std::holds_alternative<RoomEvent<msg::CallInvite>>(e) ||
std::holds_alternative<RoomEvent<msg::CallAnswer>>(e) ||
std::holds_alternative<RoomEvent<msg::CallHangUp>>(e))
std::visit(
[this](auto &event) {
event.room_id = room_id_.toStdString();
if constexpr (std::is_same_v<std::decay_t<decltype(event)>,
RoomEvent<msg::CallAnswer>> ||
std::is_same_v<std::decay_t<decltype(event)>,
RoomEvent<msg::CallHangUp>>)
emit newCallEvent(event);
else {
if (event.sender != http::client()->user_id().to_string())
emit newCallEvent(event);
}
},
e);
else if (std::holds_alternative<StateEvent<state::Avatar>>(e))
emit roomAvatarUrlChanged();
else if (std::holds_alternative<StateEvent<state::Name>>(e))
emit roomNameChanged();
else if (std::holds_alternative<StateEvent<state::Topic>>(e))
emit roomTopicChanged();
else if (std::holds_alternative<StateEvent<state::Member>>(e)) {
emit roomAvatarUrlChanged();
emit roomNameChanged(); }
}
updateLastMessage();
}
template<typename T>
auto
isMessage(const mtx::events::RoomEvent<T> &e)
-> std::enable_if_t<std::is_same<decltype(e.content.msgtype), std::string>::value, bool>
{
return true;
}
template<typename T>
auto
isMessage(const mtx::events::Event<T> &)
{
return false;
}
template<typename T>
auto
isMessage(const mtx::events::EncryptedEvent<T> &)
{
return true;
}
auto
isMessage(const mtx::events::RoomEvent<mtx::events::msg::CallInvite> &)
{
return true;
}
auto
isMessage(const mtx::events::RoomEvent<mtx::events::msg::CallAnswer> &)
{
return true;
}
auto
isMessage(const mtx::events::RoomEvent<mtx::events::msg::CallHangUp> &)
{
return true;
}
// Workaround. We also want to see a room at the top, if we just joined it
auto
isYourJoin(const mtx::events::StateEvent<mtx::events::state::Member> &e)
{
return e.content.membership == mtx::events::state::Membership::Join &&
e.state_key == http::client()->user_id().to_string();
}
template<typename T>
auto
isYourJoin(const mtx::events::Event<T> &)
{
return false;
}
void
TimelineModel::updateLastMessage()
{
for (auto it = events.size() - 1; it >= 0; --it) {
auto event = events.get(it, decryptDescription);
if (!event)
continue;
if (std::visit([](const auto &e) -> bool { return isYourJoin(e); }, *event)) {
auto time = mtx::accessors::origin_server_ts(*event);
uint64_t ts = time.toMSecsSinceEpoch();
emit manager_->updateRoomsLastMessage( room_id_,
DescInfo{QString::fromStdString(mtx::accessors::event_id(*event)),
QString::fromStdString(http::client()->user_id().to_string()),
tr("You joined this room."),
utils::descriptiveTime(time),
ts,
time});
return;
}
if (!std::visit([](const auto &e) -> bool { return isMessage(e); }, *event))
continue;
auto description = utils::getMessageDescription(
*event,
QString::fromStdString(http::client()->user_id().to_string()),
cache::displayName(room_id_,
QString::fromStdString(mtx::accessors::sender(*event))));
emit manager_->updateRoomsLastMessage(room_id_, description);
return;
}
}
void
TimelineModel::setCurrentIndex(int index)
{
if (!ChatPage::instance()->isActiveWindow())
return;
auto oldIndex = idToIndex(currentId);
currentId = indexToId(index);
emit currentIndexChanged(index);
if ((oldIndex > index || oldIndex == -1) && !currentId.startsWith("m")) {
readEvent(currentId.toStdString());
}
}
void
TimelineModel::readEvent(const std::string &id)
{
http::client()->read_event(room_id_.toStdString(), id, [this](mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to read_event ({}, {})",
room_id_.toStdString(),
currentId.toStdString());
}
});
}
QString
TimelineModel::displayName(QString id) const
{
return cache::displayName(room_id_, id).toHtmlEscaped();
}
QString
TimelineModel::avatarUrl(QString id) const
{
return cache::avatarUrl(room_id_, id);
}
QString
TimelineModel::formatDateSeparator(QDate date) const
{
auto now = QDateTime::currentDateTime();
QString fmt = QLocale::system().dateFormat(QLocale::LongFormat);
if (now.date().year() == date.year()) {
QRegularExpression rx("[^a-zA-Z]*y+[^a-zA-Z]*"); fmt = fmt.remove(rx);
}
return date.toString(fmt);
}
void
TimelineModel::viewRawMessage(QString id) const
{
auto e = events.get(id.toStdString(), "", false);
if (!e)
return;
std::string ev = mtx::accessors::serialize_event(*e).dump(4);
auto dialog = new dialogs::RawMessage(QString::fromStdString(ev));
Q_UNUSED(dialog);
}
void
TimelineModel::viewDecryptedRawMessage(QString id) const
{
auto e = events.get(id.toStdString(), "");
if (!e)
return;
std::string ev = mtx::accessors::serialize_event(*e).dump(4);
auto dialog = new dialogs::RawMessage(QString::fromStdString(ev));
Q_UNUSED(dialog);
}
void
TimelineModel::openUserProfile(QString userid)
{
emit openProfile(new UserProfile(room_id_, userid, manager_, this));
}
void
TimelineModel::replyAction(QString id)
{
setReply(id);
}
RelatedInfo
TimelineModel::relatedInfo(QString id)
{
auto event = events.get(id.toStdString(), "");
if (!event)
return {};
RelatedInfo related = {};
related.quoted_user = QString::fromStdString(mtx::accessors::sender(*event));
related.related_event = mtx::accessors::event_id(*event);
related.type = mtx::accessors::msg_type(*event);
// get body, strip reply fallback, then transform the event to text, if it is a media event
// etc
related.quoted_body = QString::fromStdString(mtx::accessors::body(*event));
QRegularExpression plainQuote("^>.*?$\n?", QRegularExpression::MultilineOption);
while (related.quoted_body.startsWith(">"))
related.quoted_body.remove(plainQuote);
if (related.quoted_body.startsWith("\n"))
related.quoted_body.remove(0, 1);
related.quoted_body = utils::getQuoteBody(related);
// get quoted body and strip reply fallback
related.quoted_formatted_body = mtx::accessors::formattedBodyWithFallback(*event);
related.quoted_formatted_body.remove(QRegularExpression(
"<mx-reply>.*</mx-reply>", QRegularExpression::DotMatchesEverythingOption));
related.room = room_id_;
return related;}
void
TimelineModel::readReceiptsAction(QString id) const
{
MainWindow::instance()->openReadReceiptsDialog(id);
}
void
TimelineModel::redactEvent(QString id)
{
if (!id.isEmpty())
http::client()->redact_event(
room_id_.toStdString(),
id.toStdString(),
[this, id](const mtx::responses::EventId &, mtx::http::RequestErr err) {
if (err) {
emit redactionFailed(
tr("Message redaction failed: %1")
.arg(QString::fromStdString(err->matrix_error.error)));
return;
}
emit eventRedacted(id);
});
}
int
TimelineModel::idToIndex(QString id) const
{
if (id.isEmpty())
return -1;
auto idx = events.idToIndex(id.toStdString());
if (idx)
return events.size() - *idx - 1;
else
return -1;
}
QString
TimelineModel::indexToId(int index) const
{
auto id = events.indexToId(events.size() - index - 1);
return id ? QString::fromStdString(*id) : "";
}
// Note: this will only be called for our messages
void
TimelineModel::markEventsAsRead(const std::vector<QString> &event_ids)
{
for (const auto &id : event_ids) {
read.insert(id);
int idx = idToIndex(id);
if (idx < 0) {
return;
}
emit dataChanged(index(idx, 0), index(idx, 0));
}
}
template<typename T>
void
TimelineModel::sendEncryptedMessage(mtx::events::RoomEvent<T> msg, mtx::events::EventType eventType)
{
const auto room_id = room_id_.toStdString();
using namespace mtx::events;
using namespace mtx::identifiers;
json doc = {{"type", mtx::events::to_string(eventType)},
{"content", json(msg.content)},
{"room_id", room_id}};
try {
mtx::events::EncryptedEvent<mtx::events::msg::Encrypted> event;
event.content =
olm::encrypt_group_message(room_id, http::client()->device_id(), doc);
event.event_id = msg.event_id;
event.room_id = room_id;
event.sender = http::client()->user_id().to_string();
event.type = mtx::events::EventType::RoomEncrypted;
event.origin_server_ts = QDateTime::currentMSecsSinceEpoch();
emit this->addPendingMessageToStore(event);
// TODO: Let the user know about the errors.
} catch (const lmdb::error &e) {
nhlog::db()->critical(
"failed to open outbound megolm session ({}): {}", room_id, e.what());
emit ChatPage::instance()->showNotification(
tr("Failed to encrypt event, sending aborted!"));
} catch (const mtx::crypto::olm_exception &e) {
nhlog::crypto()->critical(
"failed to open outbound megolm session ({}): {}", room_id, e.what());
emit ChatPage::instance()->showNotification(
tr("Failed to encrypt event, sending aborted!"));
}
}
struct SendMessageVisitor
{
explicit SendMessageVisitor(TimelineModel *model)
: model_(model)
{}
template<typename T, mtx::events::EventType Event>
void sendRoomEvent(mtx::events::RoomEvent<T> msg)
{
if (cache::isRoomEncrypted(model_->room_id_.toStdString())) {
auto encInfo = mtx::accessors::file(msg);
if (encInfo)
emit model_->newEncryptedImage(encInfo.value());
model_->sendEncryptedMessage(msg, Event);
} else {
msg.type = Event;
emit model_->addPendingMessageToStore(msg);
}
}
// Do-nothing operator for all unhandled events
template<typename T>
void operator()(const mtx::events::Event<T> &)
{}
// Operator for m.room.message events that contain a msgtype in their content
template<typename T,
std::enable_if_t<std::is_same<decltype(T::msgtype), std::string>::value, int> = 0>
void operator()(mtx::events::RoomEvent<T> msg)
{
sendRoomEvent<T, mtx::events::EventType::RoomMessage>(msg);
}
// Special operator for reactions, which are a type of m.room.message, but need to be
// handled distinctly for their differences from normal room messages. Specifically,
// reactions need to have the relation outside of ciphertext, or synapse / the homeserver
// cannot handle it correctly. See the MSC for more details:
// https://github.com/matrix-org/matrix-doc/blob/matthew/msc1849/proposals/1849-aggregations.md#end-to-end-encryption
void operator()(mtx::events::RoomEvent<mtx::events::msg::Reaction> msg) {
msg.type = mtx::events::EventType::Reaction;
emit model_->addPendingMessageToStore(msg);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::CallInvite> &event)
{
sendRoomEvent<mtx::events::msg::CallInvite, mtx::events::EventType::CallInvite>(
event);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::CallCandidates> &event)
{
sendRoomEvent<mtx::events::msg::CallCandidates,
mtx::events::EventType::CallCandidates>(event);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::CallAnswer> &event)
{
sendRoomEvent<mtx::events::msg::CallAnswer, mtx::events::EventType::CallAnswer>(
event);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::CallHangUp> &event)
{
sendRoomEvent<mtx::events::msg::CallHangUp, mtx::events::EventType::CallHangUp>(
event);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::KeyVerificationRequest> &msg)
{
sendRoomEvent<mtx::events::msg::KeyVerificationRequest,
mtx::events::EventType::RoomMessage>(msg);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::KeyVerificationReady> &msg)
{
sendRoomEvent<mtx::events::msg::KeyVerificationReady,
mtx::events::EventType::KeyVerificationReady>(msg);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::KeyVerificationStart> &msg)
{
sendRoomEvent<mtx::events::msg::KeyVerificationStart,
mtx::events::EventType::KeyVerificationStart>(msg);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::KeyVerificationAccept> &msg)
{
sendRoomEvent<mtx::events::msg::KeyVerificationAccept,
mtx::events::EventType::KeyVerificationAccept>(msg);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::KeyVerificationMac> &msg)
{
sendRoomEvent<mtx::events::msg::KeyVerificationMac,
mtx::events::EventType::KeyVerificationMac>(msg);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::KeyVerificationKey> &msg)
{
sendRoomEvent<mtx::events::msg::KeyVerificationKey,
mtx::events::EventType::KeyVerificationKey>(msg);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::KeyVerificationDone> &msg)
{
sendRoomEvent<mtx::events::msg::KeyVerificationDone,
mtx::events::EventType::KeyVerificationDone>(msg);
}
void operator()(const mtx::events::RoomEvent<mtx::events::msg::KeyVerificationCancel> &msg)
{
sendRoomEvent<mtx::events::msg::KeyVerificationCancel,
mtx::events::EventType::KeyVerificationCancel>(msg);
}
TimelineModel *model_;
};
void
TimelineModel::addPendingMessage(mtx::events::collections::TimelineEvents event)
{
std::visit(
[](auto &msg) {
msg.type = mtx::events::EventType::RoomMessage;
msg.event_id = "m" + http::client()->generate_txn_id();
msg.sender = http::client()->user_id().to_string();
msg.origin_server_ts = QDateTime::currentMSecsSinceEpoch();
},
event);
std::visit(SendMessageVisitor{this}, event);
}
bool
TimelineModel::saveMedia(QString eventId) const
{
mtx::events::collections::TimelineEvents *event = events.get(eventId.toStdString(), "");
if (!event)
return false;
QString mxcUrl = QString::fromStdString(mtx::accessors::url(*event));
QString originalFilename = QString::fromStdString(mtx::accessors::filename(*event));
QString mimeType = QString::fromStdString(mtx::accessors::mimetype(*event));
auto encryptionInfo = mtx::accessors::file(*event);
qml_mtx_events::EventType eventType = toRoomEventType(*event);
QString dialogTitle;
if (eventType == qml_mtx_events::EventType::ImageMessage) {
dialogTitle = tr("Save image");
} else if (eventType == qml_mtx_events::EventType::VideoMessage) {
dialogTitle = tr("Save video");
} else if (eventType == qml_mtx_events::EventType::AudioMessage) {
dialogTitle = tr("Save audio");
} else {
dialogTitle = tr("Save file");
}
const QString filterString = QMimeDatabase().mimeTypeForName(mimeType).filterString();
const QString downloadsFolder =
QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
const QString openLocation = downloadsFolder + "/" + originalFilename;
const QString filename = QFileDialog::getSaveFileName(
manager_->getWidget(), dialogTitle, openLocation, filterString);
if (filename.isEmpty())
return false;
const auto url = mxcUrl.toStdString();
http::client()->download(
url,
[filename, url, encryptionInfo](const std::string &data,
const std::string &,
const std::string &,
mtx::http::RequestErr err) { if (err) {
nhlog::net()->warn("failed to retrieve image {}: {} {}",
url,
err->matrix_error.error,
static_cast<int>(err->status_code));
return;
}
try {
auto temp = data;
if (encryptionInfo)
temp = mtx::crypto::to_string(
mtx::crypto::decrypt_file(temp, encryptionInfo.value()));
QFile file(filename);
if (!file.open(QIODevice::WriteOnly))
return;
file.write(QByteArray(temp.data(), (int)temp.size()));
file.close();
return;
} catch (const std::exception &e) {
nhlog::ui()->warn("Error while saving file to: {}", e.what());
}
});
return true;
}
void
TimelineModel::cacheMedia(QString eventId)
{
mtx::events::collections::TimelineEvents *event = events.get(eventId.toStdString(), "");
if (!event)
return;
QString mxcUrl = QString::fromStdString(mtx::accessors::url(*event));
QString originalFilename = QString::fromStdString(mtx::accessors::filename(*event));
QString mimeType = QString::fromStdString(mtx::accessors::mimetype(*event));
auto encryptionInfo = mtx::accessors::file(*event);
// If the message is a link to a non mxcUrl, don't download it
if (!mxcUrl.startsWith("mxc://")) {
emit mediaCached(mxcUrl, mxcUrl);
return;
}
QString suffix = QMimeDatabase().mimeTypeForName(mimeType).preferredSuffix();
const auto url = mxcUrl.toStdString();
QFileInfo filename(QString("%1/media_cache/%2.%3")
.arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation))
.arg(QString(mxcUrl).remove("mxc://"))
.arg(suffix));
if (QDir::cleanPath(filename.path()) != filename.path()) {
nhlog::net()->warn("mxcUrl '{}' is not safe, not downloading file", url);
return;
}
QDir().mkpath(filename.path());
if (filename.isReadable()) {
emit mediaCached(mxcUrl, filename.filePath());
return;
}
http::client()->download(
url, [this, mxcUrl, filename, url, encryptionInfo](const std::string &data,
const std::string &,
const std::string &,
mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to retrieve image {}: {} {}",
url,
err->matrix_error.error,
static_cast<int>(err->status_code));
return;
}
try {
auto temp = data;
if (encryptionInfo)
temp = mtx::crypto::to_string(
mtx::crypto::decrypt_file(temp, encryptionInfo.value()));
QFile file(filename.filePath());
if (!file.open(QIODevice::WriteOnly))
return;
file.write(QByteArray(temp.data(), (int)temp.size()));
file.close();
} catch (const std::exception &e) {
nhlog::ui()->warn("Error while saving file to: {}", e.what());
}
emit mediaCached(mxcUrl, filename.filePath());
});
}
QString
TimelineModel::formatTypingUsers(const std::vector<QString> &users, QColor bg)
{
QString temp =
tr("%1 and %2 are typing.",
"Multiple users are typing. First argument is a comma separated list of potentially "
"multiple users. Second argument is the last user of that list. (If only one user is "
"typing, %1 is empty. You should still use it in your string though to silence Qt "
"warnings.)",
(int)users.size());
if (users.empty()) {
return "";
}
QStringList uidWithoutLast;
auto formatUser = [this, bg](const QString &user_id) -> QString {
auto uncoloredUsername = utils::replaceEmoji(displayName(user_id));
QString prefix =
QString("<font color=\"%1\">").arg(manager_->userColor(user_id, bg).name());
// color only parts that don't have a font already specified
QString coloredUsername;
int index = 0;
do {
auto startIndex = uncoloredUsername.indexOf("<font", index);
if (startIndex - index != 0)
coloredUsername +=
prefix +
uncoloredUsername.midRef(
index, startIndex > 0 ? startIndex - index : -1) +
"</font>";
auto endIndex = uncoloredUsername.indexOf("</font>", startIndex);
if (endIndex > 0) endIndex += sizeof("</font>") - 1;
if (endIndex - startIndex != 0)
coloredUsername +=
uncoloredUsername.midRef(startIndex, endIndex - startIndex);
index = endIndex;
} while (index > 0 && index < uncoloredUsername.size());
return coloredUsername;
};
for (size_t i = 0; i + 1 < users.size(); i++) {
uidWithoutLast.append(formatUser(users[i]));
}
return temp.arg(uidWithoutLast.join(", ")).arg(formatUser(users.back()));
}
QString
TimelineModel::formatJoinRuleEvent(QString id)
{
mtx::events::collections::TimelineEvents *e = events.get(id.toStdString(), "");
if (!e)
return "";
auto event = std::get_if<mtx::events::StateEvent<mtx::events::state::JoinRules>>(e);
if (!event)
return "";
QString user = QString::fromStdString(event->sender);
QString name = utils::replaceEmoji(displayName(user));
switch (event->content.join_rule) {
case mtx::events::state::JoinRule::Public:
return tr("%1 opened the room to the public.").arg(name);
case mtx::events::state::JoinRule::Invite:
return tr("%1 made this room require and invitation to join.").arg(name);
default:
// Currently, knock and private are reserved keywords and not implemented in Matrix.
return "";
}
}
QString
TimelineModel::formatGuestAccessEvent(QString id)
{
mtx::events::collections::TimelineEvents *e = events.get(id.toStdString(), "");
if (!e)
return "";
auto event = std::get_if<mtx::events::StateEvent<mtx::events::state::GuestAccess>>(e);
if (!event)
return "";
QString user = QString::fromStdString(event->sender);
QString name = utils::replaceEmoji(displayName(user));
switch (event->content.guest_access) {
case mtx::events::state::AccessState::CanJoin:
return tr("%1 made the room open to guests.").arg(name);
case mtx::events::state::AccessState::Forbidden:
return tr("%1 has closed the room to guest access.").arg(name);
default:
return "";
}
}
QString
TimelineModel::formatHistoryVisibilityEvent(QString id){
mtx::events::collections::TimelineEvents *e = events.get(id.toStdString(), "");
if (!e)
return "";
auto event = std::get_if<mtx::events::StateEvent<mtx::events::state::HistoryVisibility>>(e);
if (!event)
return "";
QString user = QString::fromStdString(event->sender);
QString name = utils::replaceEmoji(displayName(user));
switch (event->content.history_visibility) {
case mtx::events::state::Visibility::WorldReadable:
return tr("%1 made the room history world readable. Events may be now read by "
"non-joined people.")
.arg(name);
case mtx::events::state::Visibility::Shared:
return tr("%1 set the room history visible to members from this point on.")
.arg(name);
case mtx::events::state::Visibility::Invited:
return tr("%1 set the room history visible to members since they were invited.")
.arg(name);
case mtx::events::state::Visibility::Joined:
return tr("%1 set the room history visible to members since they joined the room.")
.arg(name);
default:
return "";
}
}
QString
TimelineModel::formatPowerLevelEvent(QString id)
{
mtx::events::collections::TimelineEvents *e = events.get(id.toStdString(), "");
if (!e)
return "";
auto event = std::get_if<mtx::events::StateEvent<mtx::events::state::PowerLevels>>(e);
if (!event)
return "";
QString user = QString::fromStdString(event->sender);
QString name = utils::replaceEmoji(displayName(user));
// TODO: power levels rendering is actually a bit complex. work on this later.
return tr("%1 has changed the room's permissions.").arg(name);
}
QString
TimelineModel::formatMemberEvent(QString id)
{
mtx::events::collections::TimelineEvents *e = events.get(id.toStdString(), "");
if (!e)
return "";
auto event = std::get_if<mtx::events::StateEvent<mtx::events::state::Member>>(e);
if (!event)
return "";
mtx::events::StateEvent<mtx::events::state::Member> *prevEvent = nullptr;
if (!event->unsigned_data.replaces_state.empty()) {
auto tempPrevEvent =
events.get(event->unsigned_data.replaces_state, event->event_id);
if (tempPrevEvent) {
prevEvent =
std::get_if<mtx::events::StateEvent<mtx::events::state::Member>>(
tempPrevEvent);
} }
QString user = QString::fromStdString(event->state_key);
QString name = utils::replaceEmoji(displayName(user));
QString rendered;
// see table https://matrix.org/docs/spec/client_server/latest#m-room-member
using namespace mtx::events::state;
switch (event->content.membership) {
case Membership::Invite:
rendered = tr("%1 was invited.").arg(name);
break;
case Membership::Join:
if (prevEvent && prevEvent->content.membership == Membership::Join) {
bool displayNameChanged =
prevEvent->content.display_name != event->content.display_name;
bool avatarChanged =
prevEvent->content.avatar_url != event->content.avatar_url;
if (displayNameChanged && avatarChanged)
rendered =
tr("%1 changed their display name and avatar.").arg(name);
else if (displayNameChanged)
rendered = tr("%1 changed their display name.").arg(name);
else if (avatarChanged)
rendered = tr("%1 changed their avatar.").arg(name);
else
rendered = tr("%1 changed some profile info.").arg(name);
// the case of nothing changed but join follows join shouldn't happen, so
// just show it as join
} else {
rendered = tr("%1 joined.").arg(name);
}
break;
case Membership::Leave:
if (!prevEvent) // Should only ever happen temporarily
return "";
if (prevEvent->content.membership == Membership::Invite) {
if (event->state_key == event->sender)
rendered = tr("%1 rejected their invite.").arg(name);
else
rendered = tr("Revoked the invite to %1.").arg(name);
} else if (prevEvent->content.membership == Membership::Join) {
if (event->state_key == event->sender)
rendered = tr("%1 left the room.").arg(name);
else
rendered = tr("Kicked %1.").arg(name);
} else if (prevEvent->content.membership == Membership::Ban) {
rendered = tr("Unbanned %1.").arg(name);
} else if (prevEvent->content.membership == Membership::Knock) {
if (event->state_key == event->sender)
rendered = tr("%1 redacted their knock.").arg(name);
else
rendered = tr("Rejected the knock from %1.").arg(name);
} else
return tr("%1 left after having already left!",
"This is a leave event after the user already left and shouldn't "
"happen apart from state resets")
.arg(name);
break;
case Membership::Ban:
rendered = tr("%1 was banned.").arg(name);
break;
case Membership::Knock:
rendered = tr("%1 knocked.").arg(name);
break;
}
if (event->content.reason != "") {
rendered += tr(" Reason: %1").arg(QString::fromStdString(event->content.reason));
}
return rendered;
}
QString
TimelineModel::roomName() const
{
auto info = cache::getRoomInfo({room_id_.toStdString()});
if (!info.count(room_id_))
return "";
else
return QString::fromStdString(info[room_id_].name);
}
QString
TimelineModel::roomAvatarUrl() const
{
auto info = cache::getRoomInfo({room_id_.toStdString()});
if (!info.count(room_id_))
return "";
else
return QString::fromStdString(info[room_id_].avatar_url);
}
QString
TimelineModel::roomTopic() const
{
auto info = cache::getRoomInfo({room_id_.toStdString()});
if (!info.count(room_id_))
return "";
else
return utils::replaceEmoji(utils::linkifyMessage(
utils::escapeBlacklistedHtml(QString::fromStdString(info[room_id_].topic))));
}