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Code Issues Releases Wiki Activity

Improve report spam code. Fix a possible crash. 

HistoryWidget::setReportSpamStatus was called even if the _peer
has changed to nullptr, which used this _peer and crashed.
This commit is contained in:
John Preston 2017-05-11 20:04:16 +03:00
parent ba1f1af83e
commit 3f2bed8a92
2 changed files with 23 additions and 23 deletions
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43
Telegram/SourceFiles/historywidget.cpp
View File

@ -746,6 +746,7 @@ void HistoryWidget::setReportSpamStatus(DBIPeerReportSpamStatus status) {
}
_reportSpamStatus = status;
if (_reportSpamStatus == dbiprsShowButton || _reportSpamStatus == dbiprsReportSent) {
t_assert(_peer != nullptr);
_reportSpamPanel.create(this);
connect(_reportSpamPanel, SIGNAL(reportClicked()), this, SLOT(onReportSpamClicked()));
connect(_reportSpamPanel, SIGNAL(hideClicked()), this, SLOT(onReportSpamHide()));
@ -4350,28 +4351,30 @@ void HistoryWidget::onDocumentFailed(const FullMsgId &newId) {
}
void HistoryWidget::onReportSpamClicked() {
_clearPeer = _peer;
auto text = lang(_peer->isUser() ? lng_report_spam_sure : ((_peer->isChat() || _peer->isMegagroup()) ? lng_report_spam_sure_group : lng_report_spam_sure_channel));
Ui::show(Box<ConfirmBox>(text, lang(lng_report_spam_ok), st::attentionBoxButton, base::lambda_guarded(this, [this] {
Ui::show(Box<ConfirmBox>(text, lang(lng_report_spam_ok), st::attentionBoxButton, base::lambda_guarded(this, [this, peer = _peer] {
if (_reportSpamRequest) return;
Ui::hideLayer();
if (_clearPeer->isUser()) MTP::send(MTPcontacts_Block(_clearPeer->asUser()->inputUser), rpcDone(&HistoryWidget::blockDone, _clearPeer), RPCFailHandlerPtr(), 0, 5);
_reportSpamRequest = MTP::send(MTPmessages_ReportSpam(_clearPeer->input), rpcDone(&HistoryWidget::reportSpamDone, _clearPeer), rpcFail(&HistoryWidget::reportSpamFail));
if (auto user = peer->asUser()) {
MTP::send(MTPcontacts_Block(user->inputUser), rpcDone(&HistoryWidget::blockDone, peer), RPCFailHandlerPtr(), 0, 5);
}
_reportSpamRequest = MTP::send(MTPmessages_ReportSpam(peer->input), rpcDone(&HistoryWidget::reportSpamDone, peer), rpcFail(&HistoryWidget::reportSpamFail));
})));
}
void HistoryWidget::reportSpamDone(PeerData *peer, const MTPBool &result, mtpRequestId req) {
Expects(peer != nullptr);
if (req == _reportSpamRequest) {
_reportSpamRequest = 0;
}
if (peer) {
cRefReportSpamStatuses().insert(peer->id, dbiprsReportSent);
Local::writeReportSpamStatuses();
}
setReportSpamStatus(dbiprsReportSent);
if (_reportSpamPanel) {
_reportSpamPanel->setReported(_reportSpamStatus == dbiprsReportSent, peer);
cRefReportSpamStatuses().insert(peer->id, dbiprsReportSent);
Local::writeReportSpamStatuses();
if (_peer == peer) {
setReportSpamStatus(dbiprsReportSent);
if (_reportSpamPanel) {
_reportSpamPanel->setReported(_reportSpamStatus == dbiprsReportSent, peer);
}
}
}
@ -4396,18 +4399,18 @@ void HistoryWidget::onReportSpamHide() {
}
void HistoryWidget::onReportSpamClear() {
_clearPeer = _peer;
if (_clearPeer->isUser()) {
App::main()->deleteConversation(_clearPeer);
} else if (_clearPeer->isChat()) {
Expects(_peer != nullptr);
if (_peer->isUser()) {
App::main()->deleteConversation(_peer);
} else if (auto chat = _peer->asChat()) {
App::main()->showBackFromStack();
MTP::send(MTPmessages_DeleteChatUser(_clearPeer->asChat()->inputChat, App::self()->inputUser), App::main()->rpcDone(&MainWidget::deleteHistoryAfterLeave, _clearPeer), App::main()->rpcFail(&MainWidget::leaveChatFailed, _clearPeer));
} else if (_clearPeer->isChannel()) {
MTP::send(MTPmessages_DeleteChatUser(chat->inputChat, App::self()->inputUser), App::main()->rpcDone(&MainWidget::deleteHistoryAfterLeave, _peer), App::main()->rpcFail(&MainWidget::leaveChatFailed, _peer));
} else if (auto channel = _peer->asChannel()) {
App::main()->showBackFromStack();
if (_clearPeer->migrateFrom()) {
App::main()->deleteConversation(_clearPeer->migrateFrom());
if (channel->migrateFrom()) {
App::main()->deleteConversation(channel->migrateFrom());
}
MTP::send(MTPchannels_LeaveChannel(_clearPeer->asChannel()->inputChannel), App::main()->rpcDone(&MainWidget::sentUpdatesReceived));
MTP::send(MTPchannels_LeaveChannel(channel->inputChannel), App::main()->rpcDone(&MainWidget::sentUpdatesReceived));
}
}

3
Telegram/SourceFiles/historywidget.h
View File

@ -695,9 +695,6 @@ private:
PeerData *_peer = nullptr;
// cache current _peer in _clearPeer when showing clear history box
PeerData *_clearPeer = nullptr;
ChannelId _channel = NoChannel;
bool _canSendMessages = false;
MsgId _showAtMsgId = ShowAtUnreadMsgId;