tdesktop/Telegram/SourceFiles/api/api_chat_participants.cpp

677 lines
20 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "api/api_chat_participants.h"
#include "apiwrap.h"
#include "boxes/add_contact_box.h" // ShowAddParticipantsError
#include "data/data_changes.h"
#include "data/data_channel.h"
#include "data/data_channel_admins.h"
#include "data/data_chat.h"
#include "data/data_histories.h"
#include "data/data_session.h"
#include "data/data_user.h"
#include "history/history.h"
#include "main/main_session.h"
#include "mtproto/mtproto_config.h"
namespace Api {
namespace {
using Members = ChatParticipants::Members;
constexpr auto kSmallDelayMs = crl::time(5);
// 1 second wait before reload members in channel after adding.
constexpr auto kReloadChannelMembersTimeout = 1000;
// Max users in one super group invite request.
constexpr auto kMaxUsersPerInvite = 100;
// How many messages from chat history server should forward to user,
// that was added to this chat.
constexpr auto kForwardMessagesOnAdd = 100;
std::vector<ChatParticipant> ParseList(
const ChatParticipants::TLMembers &data,
not_null<PeerData*> peer) {
return ranges::views::all(
data.vparticipants().v
) | ranges::views::transform([&](const MTPChannelParticipant &p) {
return ChatParticipant(p, peer);
}) | ranges::to_vector;
}
void ApplyMegagroupAdmins(not_null<ChannelData*> channel, Members list) {
Expects(channel->isMegagroup());
const auto i = ranges::find_if(list, &Api::ChatParticipant::isCreator);
if (i != list.end()) {
i->tryApplyCreatorTo(channel);
} else {
channel->mgInfo->creator = nullptr;
channel->mgInfo->creatorRank = QString();
}
auto adding = base::flat_map<UserId, QString>();
for (const auto &p : list) {
if (p.isUser()) {
adding.emplace(p.userId(), p.rank());
}
}
if (channel->mgInfo->creator) {
adding.emplace(
peerToUser(channel->mgInfo->creator->id),
channel->mgInfo->creatorRank);
}
auto removing = channel->mgInfo->admins;
if (removing.empty() && adding.empty()) {
// Add some admin-placeholder so we don't DDOS
// server with admins list requests.
LOG(("API Error: Got empty admins list from server."));
adding.emplace(0, QString());
}
Data::ChannelAdminChanges changes(channel);
for (const auto &[addingId, rank] : adding) {
if (!removing.remove(addingId)) {
changes.add(addingId, rank);
}
}
for (const auto &[removingId, rank] : removing) {
changes.remove(removingId);
}
}
void RefreshChannelAdmins(
not_null<ChannelData*> channel,
Members participants) {
Data::ChannelAdminChanges changes(channel);
for (const auto &p : participants) {
if (p.isUser()) {
if (p.isCreatorOrAdmin()) {
p.tryApplyCreatorTo(channel);
changes.add(p.userId(), p.rank());
} else {
changes.remove(p.userId());
}
}
}
}
void ApplyLastList(
not_null<ChannelData*> channel,
int availableCount,
Members list) {
channel->mgInfo->lastAdmins.clear();
channel->mgInfo->lastRestricted.clear();
channel->mgInfo->lastParticipants.clear();
channel->mgInfo->lastParticipantsStatus =
MegagroupInfo::LastParticipantsUpToDate
| MegagroupInfo::LastParticipantsOnceReceived;
auto botStatus = channel->mgInfo->botStatus;
for (const auto &p : list) {
const auto participant = channel->owner().peer(p.id());
const auto user = participant->asUser();
const auto adminRights = p.rights();
const auto restrictedRights = p.restrictions();
if (p.isCreator()) {
Assert(user != nullptr);
p.tryApplyCreatorTo(channel);
if (!channel->mgInfo->admins.empty()) {
Data::ChannelAdminChanges(channel).add(p.userId(), p.rank());
}
}
if (user
&& !base::contains(channel->mgInfo->lastParticipants, user)) {
channel->mgInfo->lastParticipants.push_back(user);
if (adminRights.flags) {
channel->mgInfo->lastAdmins.emplace(
user,
MegagroupInfo::Admin{ adminRights, p.canBeEdited() });
} else if (restrictedRights.flags) {
channel->mgInfo->lastRestricted.emplace(
user,
MegagroupInfo::Restricted{ restrictedRights });
}
if (user->isBot()) {
channel->mgInfo->bots.insert(user);
if ((channel->mgInfo->botStatus != 0)
&& (channel->mgInfo->botStatus < 2)) {
channel->mgInfo->botStatus = 2;
}
}
}
}
//
// getParticipants(Recent) sometimes can't return all members,
// only some last subset, size of this subset is availableCount.
//
// So both list size and availableCount have nothing to do with
// the full supergroup members count.
//
//if (list.isEmpty()) {
// channel->setMembersCount(channel->mgInfo->lastParticipants.size());
//} else {
// channel->setMembersCount(availableCount);
//}
channel->session().changes().peerUpdated(
channel,
(Data::PeerUpdate::Flag::Members | Data::PeerUpdate::Flag::Admins));
channel->mgInfo->botStatus = botStatus;
channel->session().changes().peerUpdated(
channel,
Data::PeerUpdate::Flag::FullInfo);
}
void ApplyBotsList(
not_null<ChannelData*> channel,
int availableCount,
Members list) {
const auto history = channel->owner().historyLoaded(channel);
channel->mgInfo->bots.clear();
channel->mgInfo->botStatus = -1;
auto needBotsInfos = false;
auto botStatus = channel->mgInfo->botStatus;
auto keyboardBotFound = !history || !history->lastKeyboardFrom;
for (const auto &p : list) {
const auto participant = channel->owner().peer(p.id());
const auto user = participant->asUser();
if (user && user->isBot()) {
channel->mgInfo->bots.insert(user);
botStatus = 2;// (botStatus > 0/* || !i.key()->botInfo->readsAllHistory*/) ? 2 : 1;
if (!user->botInfo->inited) {
needBotsInfos = true;
}
}
if (!keyboardBotFound
&& participant->id == history->lastKeyboardFrom) {
keyboardBotFound = true;
}
}
if (needBotsInfos) {
channel->session().api().requestFullPeer(channel);
}
if (!keyboardBotFound) {
history->clearLastKeyboard();
}
channel->mgInfo->botStatus = botStatus;
channel->session().changes().peerUpdated(
channel,
Data::PeerUpdate::Flag::FullInfo);
}
} // namespace
ChatParticipant::ChatParticipant(
const MTPChannelParticipant &p,
not_null<PeerData*> peer) {
_peer = p.match([](const MTPDchannelParticipantBanned &data) {
return peerFromMTP(data.vpeer());
}, [](const MTPDchannelParticipantLeft &data) {
return peerFromMTP(data.vpeer());
}, [](const auto &data) {
return peerFromUser(data.vuser_id());
});
p.match([&](const MTPDchannelParticipantCreator &data) {
_canBeEdited = (peer->session().userPeerId() == _peer);
_type = Type::Creator;
_rights = ChatAdminRightsInfo(data.vadmin_rights());
_rank = qs(data.vrank().value_or_empty());
}, [&](const MTPDchannelParticipantAdmin &data) {
_canBeEdited = data.is_can_edit();
_type = Type::Admin;
_rank = qs(data.vrank().value_or_empty());
_rights = ChatAdminRightsInfo(data.vadmin_rights());
_by = peerToUser(peerFromUser(data.vpromoted_by()));
}, [&](const MTPDchannelParticipantSelf &data) {
_type = Type::Member;
_by = peerToUser(peerFromUser(data.vinviter_id()));
}, [&](const MTPDchannelParticipant &data) {
_type = Type::Member;
}, [&](const MTPDchannelParticipantBanned &data) {
_restrictions = ChatRestrictionsInfo(data.vbanned_rights());
_by = peerToUser(peerFromUser(data.vkicked_by()));
_type = (_restrictions.flags & ChatRestriction::ViewMessages)
? Type::Banned
: Type::Restricted;
}, [&](const MTPDchannelParticipantLeft &data) {
_type = Type::Left;
});
}
ChatParticipant::ChatParticipant(
Type type,
PeerId peerId,
UserId by,
ChatRestrictionsInfo restrictions,
ChatAdminRightsInfo rights,
bool canBeEdited,
QString rank)
: _type(type)
, _peer(peerId)
, _by(by)
, _canBeEdited(canBeEdited)
, _rank(rank)
, _restrictions(std::move(restrictions))
, _rights(std::move(rights)) {
}
void ChatParticipant::tryApplyCreatorTo(
not_null<ChannelData*> channel) const {
if (isCreator() && isUser()) {
if (const auto info = channel->mgInfo.get()) {
info->creator = channel->owner().userLoaded(userId());
info->creatorRank = rank();
}
}
}
bool ChatParticipant::isUser() const {
return peerIsUser(_peer);
}
bool ChatParticipant::isCreator() const {
return _type == Type::Creator;
}
bool ChatParticipant::isCreatorOrAdmin() const {
return _type == Type::Creator || _type == Type::Admin;
}
bool ChatParticipant::isKicked() const {
return _type == Type::Banned;
}
bool ChatParticipant::canBeEdited() const {
return _canBeEdited;
}
UserId ChatParticipant::by() const {
return _by;
}
PeerId ChatParticipant::id() const {
return _peer;
}
UserId ChatParticipant::userId() const {
return peerToUser(_peer);
}
ChatRestrictionsInfo ChatParticipant::restrictions() const {
return _restrictions;
}
ChatAdminRightsInfo ChatParticipant::rights() const {
return _rights;
}
ChatParticipant::Type ChatParticipant::type() const {
return _type;
}
QString ChatParticipant::rank() const {
return _rank;
}
ChatParticipants::ChatParticipants(not_null<ApiWrap*> api)
: _api(&api->instance()) {
}
void ChatParticipants::requestForAdd(
not_null<ChannelData*> channel,
Fn<void(const TLMembers&)> callback) {
Expects(callback != nullptr);
_forAdd.callback = std::move(callback);
if (_forAdd.channel == channel) {
return;
}
_api.request(base::take(_forAdd.requestId)).cancel();
const auto offset = 0;
const auto participantsHash = uint64(0);
_forAdd.channel = channel;
_forAdd.requestId = _api.request(MTPchannels_GetParticipants(
channel->inputChannel,
MTP_channelParticipantsRecent(),
MTP_int(offset),
MTP_int(channel->session().serverConfig().chatSizeMax),
MTP_long(participantsHash)
)).done([=](const MTPchannels_ChannelParticipants &result) {
result.match([&](const MTPDchannels_channelParticipants &data) {
base::take(_forAdd).callback(data);
}, [&](const MTPDchannels_channelParticipantsNotModified &) {
base::take(_forAdd);
LOG(("API Error: "
"channels.channelParticipantsNotModified received!"));
});
}).fail([=] {
base::take(_forAdd);
}).send();
}
void ChatParticipants::requestLast(not_null<ChannelData*> channel) {
if (!channel->isMegagroup()
|| _participantsRequests.contains(channel)) {
return;
}
const auto offset = 0;
const auto participantsHash = uint64(0);
const auto requestId = _api.request(MTPchannels_GetParticipants(
channel->inputChannel,
MTP_channelParticipantsRecent(),
MTP_int(offset),
MTP_int(channel->session().serverConfig().chatSizeMax),
MTP_long(participantsHash)
)).done([=](const MTPchannels_ChannelParticipants &result) {
_participantsRequests.remove(channel);
result.match([&](const MTPDchannels_channelParticipants &data) {
const auto &[availableCount, list] = Parse(channel, data);
ApplyLastList(channel, availableCount, list);
}, [](const MTPDchannels_channelParticipantsNotModified &) {
LOG(("API Error: "
"channels.channelParticipantsNotModified received!"));
});
}).fail([this, channel] {
_participantsRequests.remove(channel);
}).send();
_participantsRequests[channel] = requestId;
}
void ChatParticipants::requestBots(not_null<ChannelData*> channel) {
if (!channel->isMegagroup() || _botsRequests.contains(channel)) {
return;
}
const auto offset = 0;
const auto participantsHash = uint64(0);
const auto requestId = _api.request(MTPchannels_GetParticipants(
channel->inputChannel,
MTP_channelParticipantsBots(),
MTP_int(offset),
MTP_int(channel->session().serverConfig().chatSizeMax),
MTP_long(participantsHash)
)).done([=](const MTPchannels_ChannelParticipants &result) {
_botsRequests.remove(channel);
result.match([&](const MTPDchannels_channelParticipants &data) {
const auto &[availableCount, list] = Parse(channel, data);
ApplyBotsList(channel, availableCount, list);
}, [](const MTPDchannels_channelParticipantsNotModified &) {
LOG(("API Error: "
"channels.channelParticipantsNotModified received!"));
});
}).fail([=] {
_botsRequests.remove(channel);
}).send();
_botsRequests[channel] = requestId;
}
void ChatParticipants::requestAdmins(not_null<ChannelData*> channel) {
if (!channel->isMegagroup() || _adminsRequests.contains(channel)) {
return;
}
const auto offset = 0;
const auto participantsHash = uint64(0);
const auto requestId = _api.request(MTPchannels_GetParticipants(
channel->inputChannel,
MTP_channelParticipantsAdmins(),
MTP_int(offset),
MTP_int(channel->session().serverConfig().chatSizeMax),
MTP_long(participantsHash)
)).done([=](const MTPchannels_ChannelParticipants &result) {
_adminsRequests.remove(channel);
result.match([&](const MTPDchannels_channelParticipants &data) {
channel->owner().processUsers(data.vusers());
ApplyMegagroupAdmins(channel, ParseList(data, channel));
}, [](const MTPDchannels_channelParticipantsNotModified &) {
LOG(("API Error: "
"channels.channelParticipantsNotModified received!"));
});
}).fail([=] {
_adminsRequests.remove(channel);
}).send();
_adminsRequests[channel] = requestId;
}
void ChatParticipants::requestCountDelayed(
not_null<ChannelData*> channel) {
_participantsCountRequestTimer.call(
kReloadChannelMembersTimeout,
[=] { channel->updateFullForced(); });
}
void ChatParticipants::add(
not_null<PeerData*> peer,
const std::vector<not_null<UserData*>> &users,
Fn<void(bool)> done) {
if (const auto chat = peer->asChat()) {
for (const auto &user : users) {
_api.request(MTPmessages_AddChatUser(
chat->inputChat,
user->inputUser,
MTP_int(kForwardMessagesOnAdd)
)).done([=](const MTPUpdates &result) {
chat->session().api().applyUpdates(result);
if (done) done(true);
}).fail([=](const MTP::Error &error) {
ShowAddParticipantsError(error.type(), peer, { 1, user });
if (done) done(false);
}).afterDelay(kSmallDelayMs).send();
}
} else if (const auto channel = peer->asChannel()) {
const auto hasBot = ranges::any_of(users, &UserData::isBot);
if (!peer->isMegagroup() && hasBot) {
ShowAddParticipantsError("USER_BOT", peer, users);
return;
}
auto list = QVector<MTPInputUser>();
list.reserve(std::min(int(users.size()), int(kMaxUsersPerInvite)));
const auto send = [&] {
const auto callback = base::take(done);
_api.request(MTPchannels_InviteToChannel(
channel->inputChannel,
MTP_vector<MTPInputUser>(list)
)).done([=](const MTPUpdates &result) {
channel->session().api().applyUpdates(result);
requestCountDelayed(channel);
if (callback) callback(true);
}).fail([=](const MTP::Error &error) {
ShowAddParticipantsError(error.type(), peer, users);
if (callback) callback(false);
}).afterDelay(kSmallDelayMs).send();
};
for (const auto &user : users) {
list.push_back(user->inputUser);
if (list.size() == kMaxUsersPerInvite) {
send();
list.clear();
}
}
if (!list.empty()) {
send();
}
} else {
Unexpected("User in ChatParticipants::add.");
}
}
ChatParticipants::Parsed ChatParticipants::Parse(
not_null<ChannelData*> channel,
const TLMembers &data) {
channel->owner().processUsers(data.vusers());
channel->owner().processChats(data.vchats());
auto list = ParseList(data, channel);
if (channel->mgInfo) {
RefreshChannelAdmins(channel, list);
}
return { data.vcount().v, std::move(list) };
}
ChatParticipants::Parsed ChatParticipants::ParseRecent(
not_null<ChannelData*> channel,
const TLMembers &data) {
const auto result = Parse(channel, data);
const auto applyLast = channel->isMegagroup()
&& (channel->mgInfo->lastParticipants.size() <= result.list.size());
if (applyLast) {
ApplyLastList(channel, result.availableCount, result.list);
}
return result;
}
void ChatParticipants::requestSelf(not_null<ChannelData*> channel) {
if (_selfParticipantRequests.contains(channel)) {
return;
}
const auto finalize = [=](
UserId inviter = -1,
TimeId inviteDate = 0,
bool inviteViaRequest = false) {
channel->inviter = inviter;
channel->inviteDate = inviteDate;
channel->inviteViaRequest = inviteViaRequest;
if (const auto history = channel->owner().historyLoaded(channel)) {
if (history->lastMessageKnown()) {
history->checkLocalMessages();
history->owner().sendHistoryChangeNotifications();
} else {
history->owner().histories().requestDialogEntry(history);
}
}
};
_selfParticipantRequests.emplace(channel);
_api.request(MTPchannels_GetParticipant(
channel->inputChannel,
MTP_inputPeerSelf()
)).done([=](const MTPchannels_ChannelParticipant &result) {
_selfParticipantRequests.erase(channel);
result.match([&](const MTPDchannels_channelParticipant &data) {
channel->owner().processUsers(data.vusers());
const auto &participant = data.vparticipant();
participant.match([&](const MTPDchannelParticipantSelf &data) {
finalize(
data.vinviter_id().v,
data.vdate().v,
data.is_via_request());
}, [&](const MTPDchannelParticipantCreator &) {
if (channel->mgInfo) {
channel->mgInfo->creator = channel->session().user();
}
finalize(channel->session().userId(), channel->date);
}, [&](const MTPDchannelParticipantAdmin &data) {
const auto inviter = data.is_self()
? data.vinviter_id().value_or(-1)
: -1;
finalize(inviter, data.vdate().v);
}, [&](const MTPDchannelParticipantBanned &data) {
LOG(("API Error: Got self banned participant."));
finalize();
}, [&](const MTPDchannelParticipant &data) {
LOG(("API Error: Got self regular participant."));
finalize();
}, [&](const MTPDchannelParticipantLeft &data) {
LOG(("API Error: Got self left participant."));
finalize();
});
});
}).fail([=](const MTP::Error &error) {
_selfParticipantRequests.erase(channel);
if (error.type() == qstr("CHANNEL_PRIVATE")) {
channel->privateErrorReceived();
}
finalize();
}).afterDelay(kSmallDelayMs).send();
}
void ChatParticipants::kick(
not_null<ChatData*> chat,
not_null<PeerData*> participant) {
Expects(participant->isUser());
_api.request(MTPmessages_DeleteChatUser(
MTP_flags(0),
chat->inputChat,
participant->asUser()->inputUser
)).done([=](const MTPUpdates &result) {
chat->session().api().applyUpdates(result);
}).send();
}
void ChatParticipants::kick(
not_null<ChannelData*> channel,
not_null<PeerData*> participant,
ChatRestrictionsInfo currentRights) {
const auto kick = KickRequest(channel, participant);
if (_kickRequests.contains(kick)) return;
const auto rights = ChannelData::KickedRestrictedRights(participant);
const auto requestId = _api.request(MTPchannels_EditBanned(
channel->inputChannel,
participant->input,
MTP_chatBannedRights(
MTP_flags(
MTPDchatBannedRights::Flags::from_raw(uint32(rights.flags))),
MTP_int(rights.until))
)).done([=](const MTPUpdates &result) {
channel->session().api().applyUpdates(result);
_kickRequests.remove(KickRequest(channel, participant));
channel->applyEditBanned(participant, currentRights, rights);
}).fail([this, kick] {
_kickRequests.remove(kick);
}).send();
_kickRequests.emplace(kick, requestId);
}
void ChatParticipants::unblock(
not_null<ChannelData*> channel,
not_null<PeerData*> participant) {
const auto kick = KickRequest(channel, participant);
if (_kickRequests.contains(kick)) {
return;
}
const auto requestId = _api.request(MTPchannels_EditBanned(
channel->inputChannel,
participant->input,
MTP_chatBannedRights(MTP_flags(0), MTP_int(0))
)).done([=](const MTPUpdates &result) {
channel->session().api().applyUpdates(result);
_kickRequests.remove(KickRequest(channel, participant));
if (channel->kickedCount() > 0) {
channel->setKickedCount(channel->kickedCount() - 1);
} else {
channel->updateFullForced();
}
}).fail([=] {
_kickRequests.remove(kick);
}).send();
_kickRequests.emplace(kick, requestId);
}
} // namespace Api