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tdlight/td/telegram/DialogParticipantManager.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/DialogParticipantManager.h"
#include "td/telegram/AccessRights.h"
#include "td/telegram/AuthManager.h"
#include "td/telegram/ChannelId.h"
#include "td/telegram/ChannelParticipantFilter.h"
#include "td/telegram/ChannelType.h"
#include "td/telegram/ContactsManager.h"
#include "td/telegram/DialogManager.h"
#include "td/telegram/Global.h"
#include "td/telegram/logevent/LogEvent.h"
#include "td/telegram/MessagesManager.h"
#include "td/telegram/misc.h"
#include "td/telegram/PasswordManager.h"
#include "td/telegram/StoryManager.h"
#include "td/telegram/Td.h"
#include "td/telegram/TdDb.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/UpdatesManager.h"
#include "td/db/SqliteKeyValueAsync.h"
#include "td/actor/MultiPromise.h"
#include "td/actor/SleepActor.h"
#include "td/utils/algorithm.h"
#include "td/utils/buffer.h"
#include "td/utils/FlatHashSet.h"
#include "td/utils/format.h"
#include "td/utils/Hints.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/Slice.h"
#include "td/utils/SliceBuilder.h"
#include "td/utils/Status.h"
#include "td/utils/Time.h"
#include <algorithm>
#include <limits>
#include <tuple>
namespace td {
class GetOnlinesQuery final : public Td::ResultHandler {
DialogId dialog_id_;
public:
void send(DialogId dialog_id) {
dialog_id_ = dialog_id;
CHECK(dialog_id.get_type() == DialogType::Channel);
auto input_peer = td_->dialog_manager_->get_input_peer(dialog_id, AccessRights::Read);
if (input_peer == nullptr) {
return on_error(Status::Error(400, "Can't access the chat"));
}
send_query(G()->net_query_creator().create(telegram_api::messages_getOnlines(std::move(input_peer))));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::messages_getOnlines>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto result = result_ptr.move_as_ok();
td_->dialog_participant_manager_->on_update_dialog_online_member_count(dialog_id_, result->onlines_, true);
}
void on_error(Status status) final {
td_->dialog_manager_->on_get_dialog_error(dialog_id_, status, "GetOnlinesQuery");
td_->dialog_participant_manager_->on_update_dialog_online_member_count(dialog_id_, 0, true);
}
};
class GetChatJoinRequestsQuery final : public Td::ResultHandler {
Promise<td_api::object_ptr<td_api::chatJoinRequests>> promise_;
DialogId dialog_id_;
bool is_full_list_ = false;
public:
explicit GetChatJoinRequestsQuery(Promise<td_api::object_ptr<td_api::chatJoinRequests>> &&promise)
: promise_(std::move(promise)) {
}
void send(DialogId dialog_id, const string &invite_link, const string &query, int32 offset_date,
UserId offset_user_id, int32 limit) {
dialog_id_ = dialog_id;
is_full_list_ =
invite_link.empty() && query.empty() && offset_date == 0 && !offset_user_id.is_valid() && limit >= 3;
auto input_peer = td_->dialog_manager_->get_input_peer(dialog_id, AccessRights::Write);
if (input_peer == nullptr) {
return on_error(Status::Error(400, "Can't access the chat"));
}
auto r_input_user = td_->contacts_manager_->get_input_user(offset_user_id);
if (r_input_user.is_error()) {
r_input_user = make_tl_object<telegram_api::inputUserEmpty>();
}
int32 flags = telegram_api::messages_getChatInviteImporters::REQUESTED_MASK;
if (!invite_link.empty()) {
flags |= telegram_api::messages_getChatInviteImporters::LINK_MASK;
}
if (!query.empty()) {
flags |= telegram_api::messages_getChatInviteImporters::Q_MASK;
}
send_query(G()->net_query_creator().create(
telegram_api::messages_getChatInviteImporters(flags, false /*ignored*/, std::move(input_peer), invite_link,
query, offset_date, r_input_user.move_as_ok(), limit)));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::messages_getChatInviteImporters>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto result = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for GetChatJoinRequestsQuery: " << to_string(result);
td_->contacts_manager_->on_get_users(std::move(result->users_), "GetChatJoinRequestsQuery");
int32 total_count = result->count_;
if (total_count < static_cast<int32>(result->importers_.size())) {
LOG(ERROR) << "Receive wrong total count of join requests " << total_count << " in " << dialog_id_;
total_count = static_cast<int32>(result->importers_.size());
}
vector<td_api::object_ptr<td_api::chatJoinRequest>> join_requests;
vector<int64> recent_requesters;
for (auto &request : result->importers_) {
UserId user_id(request->user_id_);
UserId approver_user_id(request->approved_by_);
if (!user_id.is_valid() || approver_user_id.is_valid() || !request->requested_) {
LOG(ERROR) << "Receive invalid join request: " << to_string(request);
total_count--;
continue;
}
if (recent_requesters.size() < 3) {
recent_requesters.push_back(user_id.get());
}
join_requests.push_back(td_api::make_object<td_api::chatJoinRequest>(
td_->contacts_manager_->get_user_id_object(user_id, "chatJoinRequest"), request->date_, request->about_));
}
if (is_full_list_) {
td_->messages_manager_->on_update_dialog_pending_join_requests(dialog_id_, total_count,
std::move(recent_requesters));
}
promise_.set_value(td_api::make_object<td_api::chatJoinRequests>(total_count, std::move(join_requests)));
}
void on_error(Status status) final {
td_->dialog_manager_->on_get_dialog_error(dialog_id_, status, "GetChatJoinRequestsQuery");
promise_.set_error(std::move(status));
}
};
class HideChatJoinRequestQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
DialogId dialog_id_;
public:
explicit HideChatJoinRequestQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(DialogId dialog_id, UserId user_id, bool approve) {
dialog_id_ = dialog_id;
auto input_peer = td_->dialog_manager_->get_input_peer(dialog_id, AccessRights::Write);
if (input_peer == nullptr) {
return on_error(Status::Error(400, "Can't access the chat"));
}
TRY_RESULT_PROMISE(promise_, input_user, td_->contacts_manager_->get_input_user(user_id));
int32 flags = 0;
if (approve) {
flags |= telegram_api::messages_hideChatJoinRequest::APPROVED_MASK;
}
send_query(G()->net_query_creator().create(telegram_api::messages_hideChatJoinRequest(
flags, false /*ignored*/, std::move(input_peer), std::move(input_user))));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::messages_hideChatJoinRequest>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto result = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for HideChatJoinRequestQuery: " << to_string(result);
td_->updates_manager_->on_get_updates(std::move(result), std::move(promise_));
}
void on_error(Status status) final {
td_->dialog_manager_->on_get_dialog_error(dialog_id_, status, "HideChatJoinRequestQuery");
promise_.set_error(std::move(status));
}
};
class HideAllChatJoinRequestsQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
DialogId dialog_id_;
public:
explicit HideAllChatJoinRequestsQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(DialogId dialog_id, const string &invite_link, bool approve) {
dialog_id_ = dialog_id;
auto input_peer = td_->dialog_manager_->get_input_peer(dialog_id, AccessRights::Write);
if (input_peer == nullptr) {
return on_error(Status::Error(400, "Can't access the chat"));
}
int32 flags = 0;
if (approve) {
flags |= telegram_api::messages_hideAllChatJoinRequests::APPROVED_MASK;
}
if (!invite_link.empty()) {
flags |= telegram_api::messages_hideAllChatJoinRequests::LINK_MASK;
}
send_query(G()->net_query_creator().create(
telegram_api::messages_hideAllChatJoinRequests(flags, false /*ignored*/, std::move(input_peer), invite_link)));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::messages_hideAllChatJoinRequests>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto result = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for HideAllChatJoinRequestsQuery: " << to_string(result);
td_->updates_manager_->on_get_updates(std::move(result), std::move(promise_));
}
void on_error(Status status) final {
td_->dialog_manager_->on_get_dialog_error(dialog_id_, status, "HideAllChatJoinRequestsQuery");
promise_.set_error(std::move(status));
}
};
class GetChannelAdministratorsQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
ChannelId channel_id_;
public:
explicit GetChannelAdministratorsQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChannelId channel_id, int64 hash) {
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
if (input_channel == nullptr) {
return promise_.set_error(Status::Error(400, "Supergroup not found"));
}
hash = 0; // to load even only ranks or creator changed
channel_id_ = channel_id;
send_query(G()->net_query_creator().create(telegram_api::channels_getParticipants(
std::move(input_channel), telegram_api::make_object<telegram_api::channelParticipantsAdmins>(), 0,
std::numeric_limits<int32>::max(), hash)));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_getParticipants>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto participants_ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for GetChannelAdministratorsQuery: " << to_string(participants_ptr);
switch (participants_ptr->get_id()) {
case telegram_api::channels_channelParticipants::ID: {
auto participants = telegram_api::move_object_as<telegram_api::channels_channelParticipants>(participants_ptr);
td_->contacts_manager_->on_get_users(std::move(participants->users_), "GetChannelAdministratorsQuery");
td_->contacts_manager_->on_get_chats(std::move(participants->chats_), "GetChannelAdministratorsQuery");
auto channel_type = td_->contacts_manager_->get_channel_type(channel_id_);
vector<DialogAdministrator> administrators;
administrators.reserve(participants->participants_.size());
for (auto &participant : participants->participants_) {
DialogParticipant dialog_participant(std::move(participant), channel_type);
if (!dialog_participant.is_valid() || !dialog_participant.status_.is_administrator_member() ||
dialog_participant.dialog_id_.get_type() != DialogType::User) {
LOG(ERROR) << "Receive " << dialog_participant << " as an administrator of " << channel_id_;
continue;
}
administrators.emplace_back(dialog_participant.dialog_id_.get_user_id(),
dialog_participant.status_.get_rank(), dialog_participant.status_.is_creator());
}
td_->contacts_manager_->on_update_channel_administrator_count(channel_id_,
narrow_cast<int32>(administrators.size()));
td_->dialog_participant_manager_->on_update_dialog_administrators(DialogId(channel_id_),
std::move(administrators), true, false);
break;
}
case telegram_api::channels_channelParticipantsNotModified::ID:
break;
default:
UNREACHABLE();
}
promise_.set_value(Unit());
}
void on_error(Status status) final {
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "GetChannelAdministratorsQuery");
promise_.set_error(std::move(status));
}
};
class GetChannelParticipantQuery final : public Td::ResultHandler {
Promise<DialogParticipant> promise_;
ChannelId channel_id_;
DialogId participant_dialog_id_;
public:
explicit GetChannelParticipantQuery(Promise<DialogParticipant> &&promise) : promise_(std::move(promise)) {
}
void send(ChannelId channel_id, DialogId participant_dialog_id, tl_object_ptr<telegram_api::InputPeer> &&input_peer) {
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
if (input_channel == nullptr) {
return promise_.set_error(Status::Error(400, "Supergroup not found"));
}
CHECK(input_peer != nullptr);
channel_id_ = channel_id;
participant_dialog_id_ = participant_dialog_id;
send_query(G()->net_query_creator().create(
telegram_api::channels_getParticipant(std::move(input_channel), std::move(input_peer))));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_getParticipant>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto participant = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for GetChannelParticipantQuery: " << to_string(participant);
td_->contacts_manager_->on_get_users(std::move(participant->users_), "GetChannelParticipantQuery");
td_->contacts_manager_->on_get_chats(std::move(participant->chats_), "GetChannelParticipantQuery");
DialogParticipant result(std::move(participant->participant_),
td_->contacts_manager_->get_channel_type(channel_id_));
if (!result.is_valid()) {
LOG(ERROR) << "Receive invalid " << result;
return promise_.set_error(Status::Error(500, "Receive invalid chat member"));
}
promise_.set_value(std::move(result));
}
void on_error(Status status) final {
if (status.message() == "USER_NOT_PARTICIPANT") {
promise_.set_value(DialogParticipant::left(participant_dialog_id_));
return;
}
if (participant_dialog_id_.get_type() != DialogType::Channel) {
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "GetChannelParticipantQuery");
}
promise_.set_error(std::move(status));
}
};
class GetChannelParticipantsQuery final : public Td::ResultHandler {
Promise<telegram_api::object_ptr<telegram_api::channels_channelParticipants>> promise_;
ChannelId channel_id_;
public:
explicit GetChannelParticipantsQuery(
Promise<telegram_api::object_ptr<telegram_api::channels_channelParticipants>> &&promise)
: promise_(std::move(promise)) {
}
void send(ChannelId channel_id, const ChannelParticipantFilter &filter, int32 offset, int32 limit) {
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
if (input_channel == nullptr) {
return promise_.set_error(Status::Error(400, "Supergroup not found"));
}
channel_id_ = channel_id;
send_query(G()->net_query_creator().create(telegram_api::channels_getParticipants(
std::move(input_channel), filter.get_input_channel_participants_filter(), offset, limit, 0)));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_getParticipants>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto participants_ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for GetChannelParticipantsQuery: " << to_string(participants_ptr);
switch (participants_ptr->get_id()) {
case telegram_api::channels_channelParticipants::ID: {
promise_.set_value(telegram_api::move_object_as<telegram_api::channels_channelParticipants>(participants_ptr));
break;
}
case telegram_api::channels_channelParticipantsNotModified::ID:
LOG(ERROR) << "Receive channelParticipantsNotModified";
return on_error(Status::Error(500, "Receive channelParticipantsNotModified"));
default:
UNREACHABLE();
}
}
void on_error(Status status) final {
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "GetChannelParticipantsQuery");
promise_.set_error(std::move(status));
}
};
class AddChatUserQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
ChatId chat_id_;
UserId user_id_;
public:
explicit AddChatUserQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChatId chat_id, UserId user_id, tl_object_ptr<telegram_api::InputUser> &&input_user, int32 forward_limit) {
chat_id_ = chat_id;
user_id_ = user_id;
send_query(G()->net_query_creator().create(
telegram_api::messages_addChatUser(chat_id.get(), std::move(input_user), forward_limit)));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::messages_addChatUser>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for AddChatUserQuery: " << to_string(ptr);
td_->updates_manager_->on_get_updates(std::move(ptr), std::move(promise_));
}
void on_error(Status status) final {
if (!td_->auth_manager_->is_bot() && status.message() == "USER_PRIVACY_RESTRICTED") {
td_->dialog_participant_manager_->send_update_add_chat_members_privacy_forbidden(DialogId(chat_id_), {user_id_},
"AddChatUserQuery");
return promise_.set_error(Status::Error(406, "USER_PRIVACY_RESTRICTED"));
}
promise_.set_error(std::move(status));
}
};
class EditChatAdminQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
ChatId chat_id_;
UserId user_id_;
public:
explicit EditChatAdminQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChatId chat_id, UserId user_id, tl_object_ptr<telegram_api::InputUser> &&input_user,
bool is_administrator) {
chat_id_ = chat_id;
user_id_ = user_id;
send_query(G()->net_query_creator().create(
telegram_api::messages_editChatAdmin(chat_id.get(), std::move(input_user), is_administrator)));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::messages_editChatAdmin>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
bool result = result_ptr.move_as_ok();
if (!result) {
LOG(ERROR) << "Receive false as result of messages.editChatAdmin";
return on_error(Status::Error(400, "Can't edit chat administrators"));
}
// result will come in the updates
promise_.set_value(Unit());
}
void on_error(Status status) final {
if (!td_->auth_manager_->is_bot() && status.message() == "USER_PRIVACY_RESTRICTED") {
// impossible now, because the user must be in the chat already
td_->dialog_participant_manager_->send_update_add_chat_members_privacy_forbidden(DialogId(chat_id_), {user_id_},
"EditChatAdminQuery");
return promise_.set_error(Status::Error(406, "USER_PRIVACY_RESTRICTED"));
}
promise_.set_error(std::move(status));
}
};
class DeleteChatUserQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
public:
explicit DeleteChatUserQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChatId chat_id, tl_object_ptr<telegram_api::InputUser> &&input_user, bool revoke_messages) {
int32 flags = 0;
if (revoke_messages) {
flags |= telegram_api::messages_deleteChatUser::REVOKE_HISTORY_MASK;
}
send_query(G()->net_query_creator().create(
telegram_api::messages_deleteChatUser(flags, false /*ignored*/, chat_id.get(), std::move(input_user))));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::messages_deleteChatUser>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for DeleteChatUserQuery: " << to_string(ptr);
td_->updates_manager_->on_get_updates(std::move(ptr), std::move(promise_));
}
void on_error(Status status) final {
promise_.set_error(std::move(status));
}
};
class JoinChannelQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
ChannelId channel_id_;
public:
explicit JoinChannelQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChannelId channel_id) {
channel_id_ = channel_id;
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
send_query(
G()->net_query_creator().create(telegram_api::channels_joinChannel(std::move(input_channel)), {{channel_id}}));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_joinChannel>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for JoinChannelQuery: " << to_string(ptr);
td_->updates_manager_->on_get_updates(std::move(ptr), std::move(promise_));
}
void on_error(Status status) final {
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "JoinChannelQuery");
promise_.set_error(std::move(status));
}
};
class InviteToChannelQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
ChannelId channel_id_;
vector<UserId> user_ids_;
public:
explicit InviteToChannelQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChannelId channel_id, vector<UserId> user_ids,
vector<tl_object_ptr<telegram_api::InputUser>> &&input_users) {
channel_id_ = channel_id;
user_ids_ = std::move(user_ids);
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
send_query(G()->net_query_creator().create(
telegram_api::channels_inviteToChannel(std::move(input_channel), std::move(input_users))));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_inviteToChannel>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for InviteToChannelQuery: " << to_string(ptr);
td_->contacts_manager_->invalidate_channel_full(channel_id_, false, "InviteToChannelQuery");
auto user_ids = td_->updates_manager_->extract_group_invite_privacy_forbidden_updates(ptr);
auto promise = PromiseCreator::lambda([dialog_id = DialogId(channel_id_), user_ids = std::move(user_ids),
promise = std::move(promise_)](Result<Unit> &&result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
promise.set_value(Unit());
if (!user_ids.empty()) {
send_closure(G()->dialog_participant_manager(),
&DialogParticipantManager::send_update_add_chat_members_privacy_forbidden, dialog_id,
std::move(user_ids), "InviteToChannelQuery");
}
});
td_->updates_manager_->on_get_updates(std::move(ptr), std::move(promise));
}
void on_error(Status status) final {
if (!td_->auth_manager_->is_bot() && status.message() == "USER_PRIVACY_RESTRICTED") {
td_->dialog_participant_manager_->send_update_add_chat_members_privacy_forbidden(
DialogId(channel_id_), std::move(user_ids_), "InviteToChannelQuery");
return promise_.set_error(Status::Error(406, "USER_PRIVACY_RESTRICTED"));
}
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "InviteToChannelQuery");
td_->contacts_manager_->invalidate_channel_full(channel_id_, false, "InviteToChannelQuery");
promise_.set_error(std::move(status));
}
};
class EditChannelAdminQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
ChannelId channel_id_;
UserId user_id_;
DialogParticipantStatus status_ = DialogParticipantStatus::Left();
public:
explicit EditChannelAdminQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChannelId channel_id, UserId user_id, tl_object_ptr<telegram_api::InputUser> &&input_user,
const DialogParticipantStatus &status) {
channel_id_ = channel_id;
user_id_ = user_id;
status_ = status;
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
send_query(G()->net_query_creator().create(telegram_api::channels_editAdmin(
std::move(input_channel), std::move(input_user), status.get_chat_admin_rights(), status.get_rank())));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_editAdmin>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for EditChannelAdminQuery: " << to_string(ptr);
td_->contacts_manager_->invalidate_channel_full(channel_id_, false, "EditChannelAdminQuery");
td_->updates_manager_->on_get_updates(std::move(ptr), std::move(promise_));
td_->dialog_participant_manager_->on_set_channel_participant_status(channel_id_, DialogId(user_id_), status_);
}
void on_error(Status status) final {
if (!td_->auth_manager_->is_bot() && status.message() == "USER_PRIVACY_RESTRICTED") {
td_->dialog_participant_manager_->send_update_add_chat_members_privacy_forbidden(
DialogId(channel_id_), {user_id_}, "EditChannelAdminQuery");
return promise_.set_error(Status::Error(406, "USER_PRIVACY_RESTRICTED"));
}
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "EditChannelAdminQuery");
td_->contacts_manager_->invalidate_channel_full(channel_id_, false, "EditChannelAdminQuery");
promise_.set_error(std::move(status));
}
};
class EditChannelBannedQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
ChannelId channel_id_;
DialogId participant_dialog_id_;
DialogParticipantStatus status_ = DialogParticipantStatus::Left();
public:
explicit EditChannelBannedQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChannelId channel_id, DialogId participant_dialog_id, tl_object_ptr<telegram_api::InputPeer> &&input_peer,
const DialogParticipantStatus &status) {
channel_id_ = channel_id;
participant_dialog_id_ = participant_dialog_id;
status_ = status;
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
send_query(G()->net_query_creator().create(telegram_api::channels_editBanned(
std::move(input_channel), std::move(input_peer), status.get_chat_banned_rights())));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_editBanned>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for EditChannelBannedQuery: " << to_string(ptr);
td_->contacts_manager_->invalidate_channel_full(channel_id_, false, "EditChannelBannedQuery");
td_->updates_manager_->on_get_updates(std::move(ptr), std::move(promise_));
td_->dialog_participant_manager_->on_set_channel_participant_status(channel_id_, participant_dialog_id_, status_);
}
void on_error(Status status) final {
if (participant_dialog_id_.get_type() != DialogType::Channel) {
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "EditChannelBannedQuery");
}
td_->contacts_manager_->invalidate_channel_full(channel_id_, false, "EditChannelBannedQuery");
promise_.set_error(std::move(status));
}
};
class LeaveChannelQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
ChannelId channel_id_;
public:
explicit LeaveChannelQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChannelId channel_id) {
channel_id_ = channel_id;
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
send_query(
G()->net_query_creator().create(telegram_api::channels_leaveChannel(std::move(input_channel)), {{channel_id}}));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_leaveChannel>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for LeaveChannelQuery: " << to_string(ptr);
td_->updates_manager_->on_get_updates(std::move(ptr), std::move(promise_));
}
void on_error(Status status) final {
if (status.message() == "USER_NOT_PARTICIPANT") {
return td_->contacts_manager_->reload_channel(channel_id_, std::move(promise_), "LeaveChannelQuery");
}
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "LeaveChannelQuery");
promise_.set_error(std::move(status));
}
};
class CanEditChannelCreatorQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
public:
explicit CanEditChannelCreatorQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send() {
auto r_input_user = td_->contacts_manager_->get_input_user(td_->contacts_manager_->get_my_id());
CHECK(r_input_user.is_ok());
send_query(G()->net_query_creator().create(telegram_api::channels_editCreator(
telegram_api::make_object<telegram_api::inputChannelEmpty>(), r_input_user.move_as_ok(),
make_tl_object<telegram_api::inputCheckPasswordEmpty>())));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_editCreator>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(ERROR) << "Receive result for CanEditChannelCreatorQuery: " << to_string(ptr);
promise_.set_error(Status::Error(500, "Server doesn't returned error"));
}
void on_error(Status status) final {
promise_.set_error(std::move(status));
}
};
class EditChannelCreatorQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
ChannelId channel_id_;
UserId user_id_;
public:
explicit EditChannelCreatorQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChannelId channel_id, UserId user_id,
tl_object_ptr<telegram_api::InputCheckPasswordSRP> input_check_password) {
channel_id_ = channel_id;
user_id_ = user_id;
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
if (input_channel == nullptr) {
return promise_.set_error(Status::Error(400, "Have no access to the chat"));
}
TRY_RESULT_PROMISE(promise_, input_user, td_->contacts_manager_->get_input_user(user_id));
send_query(G()->net_query_creator().create(
telegram_api::channels_editCreator(std::move(input_channel), std::move(input_user),
std::move(input_check_password)),
{{channel_id}}));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_editCreator>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for EditChannelCreatorQuery: " << to_string(ptr);
td_->contacts_manager_->invalidate_channel_full(channel_id_, false, "EditChannelCreatorQuery");
td_->updates_manager_->on_get_updates(std::move(ptr), std::move(promise_));
}
void on_error(Status status) final {
if (!td_->auth_manager_->is_bot() && status.message() == "USER_PRIVACY_RESTRICTED") {
td_->dialog_participant_manager_->send_update_add_chat_members_privacy_forbidden(
DialogId(channel_id_), {user_id_}, "EditChannelCreatorQuery");
return promise_.set_error(Status::Error(406, "USER_PRIVACY_RESTRICTED"));
}
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "EditChannelCreatorQuery");
promise_.set_error(std::move(status));
}
};
DialogParticipantManager::DialogParticipantManager(Td *td, ActorShared<> parent) : td_(td), parent_(std::move(parent)) {
update_dialog_online_member_count_timeout_.set_callback(on_update_dialog_online_member_count_timeout_callback);
update_dialog_online_member_count_timeout_.set_callback_data(static_cast<void *>(this));
channel_participant_cache_timeout_.set_callback(on_channel_participant_cache_timeout_callback);
channel_participant_cache_timeout_.set_callback_data(static_cast<void *>(this));
}
DialogParticipantManager::~DialogParticipantManager() {
Scheduler::instance()->destroy_on_scheduler(G()->get_gc_scheduler_id(), user_online_member_dialogs_,
dialog_administrators_, channel_participants_,
cached_channel_participants_);
}
void DialogParticipantManager::tear_down() {
parent_.reset();
}
void DialogParticipantManager::on_update_dialog_online_member_count_timeout_callback(
void *dialog_participant_manager_ptr, int64 dialog_id_int) {
if (G()->close_flag()) {
return;
}
auto dialog_participant_manager = static_cast<DialogParticipantManager *>(dialog_participant_manager_ptr);
send_closure_later(dialog_participant_manager->actor_id(dialog_participant_manager),
&DialogParticipantManager::on_update_dialog_online_member_count_timeout, DialogId(dialog_id_int));
}
void DialogParticipantManager::on_update_dialog_online_member_count_timeout(DialogId dialog_id) {
if (G()->close_flag()) {
return;
}
LOG(INFO) << "Expired timeout for number of online members in " << dialog_id;
bool is_open = td_->messages_manager_->is_dialog_opened(dialog_id);
if (!is_open) {
send_update_chat_online_member_count(dialog_id, 0);
return;
}
if (dialog_id.get_type() == DialogType::Channel && !td_->dialog_manager_->is_broadcast_channel(dialog_id)) {
auto participant_count = td_->contacts_manager_->get_channel_participant_count(dialog_id.get_channel_id());
auto has_hidden_participants = td_->contacts_manager_->get_channel_effective_has_hidden_participants(
dialog_id.get_channel_id(), "on_update_dialog_online_member_count_timeout");
if (participant_count == 0 || participant_count >= 195 || has_hidden_participants) {
td_->create_handler<GetOnlinesQuery>()->send(dialog_id);
} else {
get_channel_participants(dialog_id.get_channel_id(), td_api::make_object<td_api::supergroupMembersFilterRecent>(),
string(), 0, 200, 200, Auto());
}
return;
}
if (dialog_id.get_type() == DialogType::Chat) {
// we need actual online status state, so we need to reget chat participants
td_->contacts_manager_->repair_chat_participants(dialog_id.get_chat_id());
return;
}
}
void DialogParticipantManager::on_update_dialog_online_member_count(DialogId dialog_id, int32 online_member_count,
bool is_from_server) {
if (td_->auth_manager_->is_bot()) {
return;
}
if (!dialog_id.is_valid()) {
LOG(ERROR) << "Receive number of online members in invalid " << dialog_id;
return;
}
if (td_->dialog_manager_->is_broadcast_channel(dialog_id)) {
LOG_IF(ERROR, online_member_count != 0)
<< "Receive " << online_member_count << " as a number of online members in a channel " << dialog_id;
return;
}
if (online_member_count < 0) {
LOG(ERROR) << "Receive " << online_member_count << " as a number of online members in a " << dialog_id;
return;
}
set_dialog_online_member_count(dialog_id, online_member_count, is_from_server,
"on_update_dialog_online_member_count");
}
void DialogParticipantManager::on_dialog_opened(DialogId dialog_id) {
auto online_count_it = dialog_online_member_counts_.find(dialog_id);
if (online_count_it == dialog_online_member_counts_.end()) {
return;
}
auto &info = online_count_it->second;
CHECK(!info.is_update_sent);
if (Time::now() - info.update_time < ONLINE_MEMBER_COUNT_CACHE_EXPIRE_TIME) {
info.is_update_sent = true;
send_update_chat_online_member_count(dialog_id, info.online_member_count);
}
}
void DialogParticipantManager::on_dialog_closed(DialogId dialog_id) {
auto online_count_it = dialog_online_member_counts_.find(dialog_id);
if (online_count_it != dialog_online_member_counts_.end()) {
auto &info = online_count_it->second;
info.is_update_sent = false;
}
update_dialog_online_member_count_timeout_.set_timeout_in(dialog_id.get(), ONLINE_MEMBER_COUNT_CACHE_EXPIRE_TIME);
}
void DialogParticipantManager::set_dialog_online_member_count(DialogId dialog_id, int32 online_member_count,
bool is_from_server, const char *source) {
if (td_->auth_manager_->is_bot()) {
return;
}
if (online_member_count < 0) {
LOG(ERROR) << "Receive online_member_count = " << online_member_count << " in " << dialog_id;
online_member_count = 0;
}
switch (dialog_id.get_type()) {
case DialogType::Chat: {
auto participant_count = td_->contacts_manager_->get_chat_participant_count(dialog_id.get_chat_id());
if (online_member_count > participant_count) {
online_member_count = participant_count;
}
break;
}
case DialogType::Channel: {
auto participant_count = td_->contacts_manager_->get_channel_participant_count(dialog_id.get_channel_id());
if (participant_count != 0 && online_member_count > participant_count) {
online_member_count = participant_count;
}
break;
}
default:
break;
}
bool is_open = td_->messages_manager_->is_dialog_opened(dialog_id);
auto &info = dialog_online_member_counts_[dialog_id];
LOG(INFO) << "Change number of online members from " << info.online_member_count << " to " << online_member_count
<< " in " << dialog_id << " from " << source;
bool need_update = is_open && (!info.is_update_sent || info.online_member_count != online_member_count);
info.online_member_count = online_member_count;
info.update_time = Time::now();
if (need_update) {
info.is_update_sent = true;
send_update_chat_online_member_count(dialog_id, online_member_count);
}
if (is_open) {
if (is_from_server) {
update_dialog_online_member_count_timeout_.set_timeout_in(dialog_id.get(), ONLINE_MEMBER_COUNT_UPDATE_TIME);
} else {
update_dialog_online_member_count_timeout_.add_timeout_in(dialog_id.get(), ONLINE_MEMBER_COUNT_UPDATE_TIME);
}
}
}
void DialogParticipantManager::send_update_chat_online_member_count(DialogId dialog_id,
int32 online_member_count) const {
if (td_->auth_manager_->is_bot()) {
return;
}
send_closure(
G()->td(), &Td::send_update,
td_api::make_object<td_api::updateChatOnlineMemberCount>(
td_->dialog_manager_->get_chat_id_object(dialog_id, "updateChatOnlineMemberCount"), online_member_count));
}
void DialogParticipantManager::update_user_online_member_count(UserId user_id) {
if (td_->auth_manager_->is_bot()) {
return;
}
auto user_it = user_online_member_dialogs_.find(user_id);
if (user_it == user_online_member_dialogs_.end()) {
return;
}
CHECK(user_it->second != nullptr);
auto &online_member_dialogs = user_it->second->online_member_dialogs_;
auto now = G()->unix_time();
vector<DialogId> expired_dialog_ids;
for (const auto &it : online_member_dialogs) {
auto dialog_id = it.first;
auto time = it.second;
if (time < now - ONLINE_MEMBER_COUNT_CACHE_EXPIRE_TIME) {
expired_dialog_ids.push_back(dialog_id);
continue;
}
switch (dialog_id.get_type()) {
case DialogType::Chat:
td_->contacts_manager_->update_chat_online_member_count(dialog_id.get_chat_id(), false);
break;
case DialogType::Channel:
update_channel_online_member_count(dialog_id.get_channel_id(), false);
break;
case DialogType::User:
case DialogType::SecretChat:
case DialogType::None:
UNREACHABLE();
break;
}
}
for (auto &dialog_id : expired_dialog_ids) {
online_member_dialogs.erase(dialog_id);
if (dialog_id.get_type() == DialogType::Channel) {
drop_cached_channel_participants(dialog_id.get_channel_id());
}
}
if (online_member_dialogs.empty()) {
user_online_member_dialogs_.erase(user_it);
}
}
void DialogParticipantManager::update_channel_online_member_count(ChannelId channel_id, bool is_from_server) {
if (!td_->contacts_manager_->is_megagroup_channel(channel_id) ||
td_->contacts_manager_->get_channel_effective_has_hidden_participants(channel_id,
"update_channel_online_member_count")) {
return;
}
auto it = cached_channel_participants_.find(channel_id);
if (it == cached_channel_participants_.end()) {
return;
}
update_dialog_online_member_count(it->second, DialogId(channel_id), is_from_server);
}
void DialogParticipantManager::update_dialog_online_member_count(const vector<DialogParticipant> &participants,
DialogId dialog_id, bool is_from_server) {
if (td_->auth_manager_->is_bot()) {
return;
}
CHECK(dialog_id.is_valid());
int32 online_member_count = 0;
int32 unix_time = G()->unix_time();
for (const auto &participant : participants) {
if (participant.dialog_id_.get_type() != DialogType::User) {
continue;
}
auto user_id = participant.dialog_id_.get_user_id();
if (!td_->contacts_manager_->is_user_deleted(user_id) && !td_->contacts_manager_->is_user_bot(user_id)) {
if (td_->contacts_manager_->is_user_online(user_id, 0, unix_time)) {
online_member_count++;
}
if (is_from_server) {
auto &online_member_dialogs = user_online_member_dialogs_[user_id];
if (online_member_dialogs == nullptr) {
online_member_dialogs = make_unique<UserOnlineMemberDialogs>();
}
online_member_dialogs->online_member_dialogs_[dialog_id] = unix_time;
}
}
}
on_update_dialog_online_member_count(dialog_id, online_member_count, is_from_server);
}
Status DialogParticipantManager::can_manage_dialog_join_requests(DialogId dialog_id) {
if (!td_->dialog_manager_->have_dialog_force(dialog_id, "can_manage_dialog_join_requests")) {
return Status::Error(400, "Chat not found");
}
switch (dialog_id.get_type()) {
case DialogType::SecretChat:
case DialogType::User:
return Status::Error(400, "The chat can't have join requests");
case DialogType::Chat: {
auto chat_id = dialog_id.get_chat_id();
if (!td_->contacts_manager_->get_chat_is_active(chat_id)) {
return Status::Error(400, "Chat is deactivated");
}
if (!td_->contacts_manager_->get_chat_status(chat_id).can_manage_invite_links()) {
return Status::Error(400, "Not enough rights to manage chat join requests");
}
break;
}
case DialogType::Channel:
if (!td_->contacts_manager_->get_channel_status(dialog_id.get_channel_id()).can_manage_invite_links()) {
return Status::Error(400, "Not enough rights to manage chat join requests");
}
break;
case DialogType::None:
default:
UNREACHABLE();
}
return Status::OK();
}
void DialogParticipantManager::get_dialog_join_requests(
DialogId dialog_id, const string &invite_link, const string &query,
td_api::object_ptr<td_api::chatJoinRequest> offset_request, int32 limit,
Promise<td_api::object_ptr<td_api::chatJoinRequests>> &&promise) {
TRY_STATUS_PROMISE(promise, can_manage_dialog_join_requests(dialog_id));
if (limit <= 0) {
return promise.set_error(Status::Error(400, "Parameter limit must be positive"));
}
UserId offset_user_id;
int32 offset_date = 0;
if (offset_request != nullptr) {
offset_user_id = UserId(offset_request->user_id_);
offset_date = offset_request->date_;
}
td_->create_handler<GetChatJoinRequestsQuery>(std::move(promise))
->send(dialog_id, invite_link, query, offset_date, offset_user_id, limit);
}
void DialogParticipantManager::process_dialog_join_request(DialogId dialog_id, UserId user_id, bool approve,
Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, can_manage_dialog_join_requests(dialog_id));
td_->create_handler<HideChatJoinRequestQuery>(std::move(promise))->send(dialog_id, user_id, approve);
}
void DialogParticipantManager::process_dialog_join_requests(DialogId dialog_id, const string &invite_link, bool approve,
Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, can_manage_dialog_join_requests(dialog_id));
td_->create_handler<HideAllChatJoinRequestsQuery>(std::move(promise))->send(dialog_id, invite_link, approve);
}
void DialogParticipantManager::speculative_update_dialog_administrators(DialogId dialog_id, UserId user_id,
const DialogParticipantStatus &new_status,
const DialogParticipantStatus &old_status) {
if (new_status.is_administrator_member() == old_status.is_administrator_member() &&
new_status.get_rank() == old_status.get_rank()) {
return;
}
auto it = dialog_administrators_.find(dialog_id);
if (it == dialog_administrators_.end()) {
return;
}
auto administrators = it->second;
if (new_status.is_administrator_member()) {
bool is_found = false;
for (auto &administrator : administrators) {
if (administrator.get_user_id() == user_id) {
is_found = true;
if (administrator.get_rank() != new_status.get_rank() ||
administrator.is_creator() != new_status.is_creator()) {
administrator = DialogAdministrator(user_id, new_status.get_rank(), new_status.is_creator());
on_update_dialog_administrators(dialog_id, std::move(administrators), true, false);
}
break;
}
}
if (!is_found) {
administrators.emplace_back(user_id, new_status.get_rank(), new_status.is_creator());
on_update_dialog_administrators(dialog_id, std::move(administrators), true, false);
}
} else {
size_t i = 0;
while (i != administrators.size() && administrators[i].get_user_id() != user_id) {
i++;
}
if (i != administrators.size()) {
administrators.erase(administrators.begin() + i);
on_update_dialog_administrators(dialog_id, std::move(administrators), true, false);
}
}
}
td_api::object_ptr<td_api::chatAdministrators> DialogParticipantManager::get_chat_administrators_object(
const vector<DialogAdministrator> &dialog_administrators) {
auto administrator_objects = transform(dialog_administrators, [this](const DialogAdministrator &administrator) {
return administrator.get_chat_administrator_object(td_->contacts_manager_.get());
});
return td_api::make_object<td_api::chatAdministrators>(std::move(administrator_objects));
}
void DialogParticipantManager::get_dialog_administrators(
DialogId dialog_id, Promise<td_api::object_ptr<td_api::chatAdministrators>> &&promise) {
if (!td_->dialog_manager_->have_dialog_force(dialog_id, "get_dialog_administrators")) {
return promise.set_error(Status::Error(400, "Chat not found"));
}
switch (dialog_id.get_type()) {
case DialogType::User:
case DialogType::SecretChat:
return promise.set_value(td_api::make_object<td_api::chatAdministrators>());
case DialogType::Chat:
case DialogType::Channel:
break;
case DialogType::None:
default:
UNREACHABLE();
return;
}
auto it = dialog_administrators_.find(dialog_id);
if (it != dialog_administrators_.end()) {
reload_dialog_administrators(dialog_id, it->second, Auto()); // update administrators cache
return promise.set_value(get_chat_administrators_object(it->second));
}
if (G()->use_chat_info_database()) {
LOG(INFO) << "Load administrators of " << dialog_id << " from database";
G()->td_db()->get_sqlite_pmc()->get(
get_dialog_administrators_database_key(dialog_id),
PromiseCreator::lambda(
[actor_id = actor_id(this), dialog_id, promise = std::move(promise)](string value) mutable {
send_closure(actor_id, &DialogParticipantManager::on_load_dialog_administrators_from_database, dialog_id,
std::move(value), std::move(promise));
}));
return;
}
reload_dialog_administrators(dialog_id, {}, std::move(promise));
}
string DialogParticipantManager::get_dialog_administrators_database_key(DialogId dialog_id) {
return PSTRING() << "adm" << (-dialog_id.get());
}
void DialogParticipantManager::on_load_dialog_administrators_from_database(
DialogId dialog_id, string value, Promise<td_api::object_ptr<td_api::chatAdministrators>> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
if (value.empty()) {
return reload_dialog_administrators(dialog_id, {}, std::move(promise));
}
vector<DialogAdministrator> administrators;
if (log_event_parse(administrators, value).is_error()) {
return reload_dialog_administrators(dialog_id, {}, std::move(promise));
}
LOG(INFO) << "Successfully loaded " << administrators.size() << " administrators in " << dialog_id
<< " from database";
MultiPromiseActorSafe load_users_multipromise{"LoadUsersMultiPromiseActor"};
load_users_multipromise.add_promise(
PromiseCreator::lambda([actor_id = actor_id(this), dialog_id, administrators,
promise = std::move(promise)](Result<Unit> result) mutable {
send_closure(actor_id, &DialogParticipantManager::on_load_administrator_users_finished, dialog_id,
std::move(administrators), std::move(result), std::move(promise));
}));
auto lock_promise = load_users_multipromise.get_promise();
for (auto &administrator : administrators) {
td_->contacts_manager_->get_user(administrator.get_user_id(), 3, load_users_multipromise.get_promise());
}
lock_promise.set_value(Unit());
}
void DialogParticipantManager::on_load_administrator_users_finished(
DialogId dialog_id, vector<DialogAdministrator> administrators, Result<> result,
Promise<td_api::object_ptr<td_api::chatAdministrators>> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
if (result.is_error()) {
return reload_dialog_administrators(dialog_id, {}, std::move(promise));
}
auto it = dialog_administrators_.emplace(dialog_id, std::move(administrators)).first;
reload_dialog_administrators(dialog_id, it->second, Auto()); // update administrators cache
promise.set_value(get_chat_administrators_object(it->second));
}
void DialogParticipantManager::on_update_dialog_administrators(DialogId dialog_id,
vector<DialogAdministrator> &&administrators,
bool have_access, bool from_database) {
LOG(INFO) << "Update administrators in " << dialog_id << " to " << administrators;
if (have_access) {
CHECK(dialog_id.is_valid());
std::sort(administrators.begin(), administrators.end(),
[](const DialogAdministrator &lhs, const DialogAdministrator &rhs) {
return lhs.get_user_id().get() < rhs.get_user_id().get();
});
auto it = dialog_administrators_.find(dialog_id);
if (it != dialog_administrators_.end()) {
if (it->second == administrators) {
return;
}
it->second = std::move(administrators);
} else {
it = dialog_administrators_.emplace(dialog_id, std::move(administrators)).first;
}
if (G()->use_chat_info_database() && !from_database) {
LOG(INFO) << "Save administrators of " << dialog_id << " to database";
G()->td_db()->get_sqlite_pmc()->set(get_dialog_administrators_database_key(dialog_id),
log_event_store(it->second).as_slice().str(), Auto());
}
} else {
dialog_administrators_.erase(dialog_id);
if (G()->use_chat_info_database()) {
G()->td_db()->get_sqlite_pmc()->erase(get_dialog_administrators_database_key(dialog_id), Auto());
}
}
}
void DialogParticipantManager::reload_dialog_administrators(
DialogId dialog_id, const vector<DialogAdministrator> &dialog_administrators,
Promise<td_api::object_ptr<td_api::chatAdministrators>> &&promise) {
auto dialog_type = dialog_id.get_type();
if (dialog_type == DialogType::Chat &&
!td_->contacts_manager_->get_chat_permissions(dialog_id.get_chat_id()).is_member()) {
return promise.set_value(td_api::make_object<td_api::chatAdministrators>());
}
auto query_promise = PromiseCreator::lambda(
[actor_id = actor_id(this), dialog_id, promise = std::move(promise)](Result<Unit> &&result) mutable {
if (promise) {
if (result.is_ok()) {
send_closure(actor_id, &DialogParticipantManager::on_reload_dialog_administrators, dialog_id,
std::move(promise));
} else {
promise.set_error(result.move_as_error());
}
}
});
switch (dialog_type) {
case DialogType::Chat:
td_->contacts_manager_->load_chat_full(dialog_id.get_chat_id(), false, std::move(query_promise),
"reload_dialog_administrators");
break;
case DialogType::Channel: {
auto channel_id = dialog_id.get_channel_id();
if (td_->contacts_manager_->is_broadcast_channel(channel_id) &&
!td_->contacts_manager_->get_channel_status(channel_id).is_administrator()) {
return query_promise.set_error(Status::Error(400, "Administrator list is inaccessible"));
}
auto hash = get_vector_hash(transform(dialog_administrators, [](const DialogAdministrator &administrator) {
return static_cast<uint64>(administrator.get_user_id().get());
}));
td_->create_handler<GetChannelAdministratorsQuery>(std::move(query_promise))->send(channel_id, hash);
break;
}
default:
UNREACHABLE();
}
}
void DialogParticipantManager::on_reload_dialog_administrators(
DialogId dialog_id, Promise<td_api::object_ptr<td_api::chatAdministrators>> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
auto it = dialog_administrators_.find(dialog_id);
if (it != dialog_administrators_.end()) {
return promise.set_value(get_chat_administrators_object(it->second));
}
LOG(ERROR) << "Failed to load administrators in " << dialog_id;
promise.set_error(Status::Error(500, "Failed to find chat administrators"));
}
void DialogParticipantManager::send_update_chat_member(DialogId dialog_id, UserId agent_user_id, int32 date,
const DialogInviteLink &invite_link,
bool via_dialog_filter_invite_link,
const DialogParticipant &old_dialog_participant,
const DialogParticipant &new_dialog_participant) {
CHECK(td_->auth_manager_->is_bot());
td_->dialog_manager_->force_create_dialog(dialog_id, "send_update_chat_member", true);
send_closure(G()->td(), &Td::send_update,
td_api::make_object<td_api::updateChatMember>(
td_->dialog_manager_->get_chat_id_object(dialog_id, "updateChatMember"),
td_->contacts_manager_->get_user_id_object(agent_user_id, "updateChatMember"), date,
invite_link.get_chat_invite_link_object(td_->contacts_manager_.get()), via_dialog_filter_invite_link,
td_->contacts_manager_->get_chat_member_object(old_dialog_participant, "updateChatMember old"),
td_->contacts_manager_->get_chat_member_object(new_dialog_participant, "updateChatMember new")));
}
void DialogParticipantManager::on_update_bot_stopped(UserId user_id, int32 date, bool is_stopped, bool force) {
CHECK(td_->auth_manager_->is_bot());
if (date <= 0 || !td_->contacts_manager_->have_user_force(user_id, "on_update_bot_stopped")) {
LOG(ERROR) << "Receive invalid updateBotStopped by " << user_id << " at " << date;
return;
}
auto my_user_id = td_->contacts_manager_->get_my_id();
if (!td_->contacts_manager_->have_user_force(my_user_id, "on_update_bot_stopped 2")) {
if (!force) {
td_->contacts_manager_->get_me(
PromiseCreator::lambda([actor_id = actor_id(this), user_id, date, is_stopped](Unit) {
send_closure(actor_id, &DialogParticipantManager::on_update_bot_stopped, user_id, date, is_stopped, true);
}));
return;
}
LOG(ERROR) << "Have no self-user to process updateBotStopped";
}
DialogParticipant old_dialog_participant(DialogId(my_user_id), user_id, date, DialogParticipantStatus::Banned(0));
DialogParticipant new_dialog_participant(DialogId(my_user_id), user_id, date, DialogParticipantStatus::Member());
if (is_stopped) {
std::swap(old_dialog_participant.status_, new_dialog_participant.status_);
}
send_update_chat_member(DialogId(user_id), user_id, date, DialogInviteLink(), false, old_dialog_participant,
new_dialog_participant);
}
void DialogParticipantManager::on_update_chat_participant(
ChatId chat_id, UserId user_id, int32 date, DialogInviteLink invite_link,
telegram_api::object_ptr<telegram_api::ChatParticipant> old_participant,
telegram_api::object_ptr<telegram_api::ChatParticipant> new_participant) {
CHECK(td_->auth_manager_->is_bot());
if (!chat_id.is_valid() || !user_id.is_valid() || date <= 0 ||
(old_participant == nullptr && new_participant == nullptr)) {
LOG(ERROR) << "Receive invalid updateChatParticipant in " << chat_id << " by " << user_id << " at " << date << ": "
<< to_string(old_participant) << " -> " << to_string(new_participant);
return;
}
if (!td_->contacts_manager_->have_chat(chat_id)) {
LOG(ERROR) << "Receive updateChatParticipant in unknown " << chat_id;
return;
}
auto chat_date = td_->contacts_manager_->get_chat_date(chat_id);
auto chat_status = td_->contacts_manager_->get_chat_status(chat_id);
auto is_creator = chat_status.is_creator();
DialogParticipant old_dialog_participant;
DialogParticipant new_dialog_participant;
if (old_participant != nullptr) {
old_dialog_participant = DialogParticipant(std::move(old_participant), chat_date, is_creator);
if (new_participant == nullptr) {
new_dialog_participant = DialogParticipant::left(old_dialog_participant.dialog_id_);
} else {
new_dialog_participant = DialogParticipant(std::move(new_participant), chat_date, is_creator);
}
} else {
new_dialog_participant = DialogParticipant(std::move(new_participant), chat_date, is_creator);
old_dialog_participant = DialogParticipant::left(new_dialog_participant.dialog_id_);
}
if (old_dialog_participant.dialog_id_ != new_dialog_participant.dialog_id_ || !old_dialog_participant.is_valid() ||
!new_dialog_participant.is_valid()) {
LOG(ERROR) << "Receive wrong updateChatParticipant: " << old_dialog_participant << " -> " << new_dialog_participant;
return;
}
if (new_dialog_participant.dialog_id_ == DialogId(td_->contacts_manager_->get_my_id()) &&
new_dialog_participant.status_ != chat_status && false) {
LOG(ERROR) << "Have status " << chat_status << " after receiving updateChatParticipant in " << chat_id << " by "
<< user_id << " at " << date << " from " << old_dialog_participant << " to " << new_dialog_participant;
}
send_update_chat_member(DialogId(chat_id), user_id, date, invite_link, false, old_dialog_participant,
new_dialog_participant);
}
void DialogParticipantManager::on_update_channel_participant(
ChannelId channel_id, UserId user_id, int32 date, DialogInviteLink invite_link, bool via_dialog_filter_invite_link,
telegram_api::object_ptr<telegram_api::ChannelParticipant> old_participant,
telegram_api::object_ptr<telegram_api::ChannelParticipant> new_participant) {
CHECK(td_->auth_manager_->is_bot());
if (!channel_id.is_valid() || !user_id.is_valid() || date <= 0 ||
(old_participant == nullptr && new_participant == nullptr)) {
LOG(ERROR) << "Receive invalid updateChannelParticipant in " << channel_id << " by " << user_id << " at " << date
<< ": " << to_string(old_participant) << " -> " << to_string(new_participant);
return;
}
if (!td_->contacts_manager_->have_channel(channel_id)) {
LOG(ERROR) << "Receive updateChannelParticipant in unknown " << channel_id;
return;
}
DialogParticipant old_dialog_participant;
DialogParticipant new_dialog_participant;
auto channel_type = td_->contacts_manager_->get_channel_type(channel_id);
if (old_participant != nullptr) {
old_dialog_participant = DialogParticipant(std::move(old_participant), channel_type);
if (new_participant == nullptr) {
new_dialog_participant = DialogParticipant::left(old_dialog_participant.dialog_id_);
} else {
new_dialog_participant = DialogParticipant(std::move(new_participant), channel_type);
}
} else {
new_dialog_participant = DialogParticipant(std::move(new_participant), channel_type);
old_dialog_participant = DialogParticipant::left(new_dialog_participant.dialog_id_);
}
if (old_dialog_participant.dialog_id_ != new_dialog_participant.dialog_id_ || !old_dialog_participant.is_valid() ||
!new_dialog_participant.is_valid()) {
LOG(ERROR) << "Receive wrong updateChannelParticipant: " << old_dialog_participant << " -> "
<< new_dialog_participant;
return;
}
if (new_dialog_participant.status_.is_administrator() && user_id == td_->contacts_manager_->get_my_id() &&
!new_dialog_participant.status_.can_be_edited()) {
LOG(ERROR) << "Fix wrong can_be_edited in " << new_dialog_participant << " from " << channel_id << " changed from "
<< old_dialog_participant;
new_dialog_participant.status_.toggle_can_be_edited();
}
if (old_dialog_participant.dialog_id_ == td_->dialog_manager_->get_my_dialog_id() &&
old_dialog_participant.status_.is_administrator() && !new_dialog_participant.status_.is_administrator()) {
drop_channel_participant_cache(channel_id);
} else if (have_channel_participant_cache(channel_id)) {
add_channel_participant_to_cache(channel_id, new_dialog_participant, true);
}
auto channel_status = td_->contacts_manager_->get_channel_status(channel_id);
if (new_dialog_participant.dialog_id_ == td_->dialog_manager_->get_my_dialog_id() &&
new_dialog_participant.status_ != channel_status && false) {
LOG(ERROR) << "Have status " << channel_status << " after receiving updateChannelParticipant in " << channel_id
<< " by " << user_id << " at " << date << " from " << old_dialog_participant << " to "
<< new_dialog_participant;
}
send_update_chat_member(DialogId(channel_id), user_id, date, invite_link, via_dialog_filter_invite_link,
old_dialog_participant, new_dialog_participant);
}
void DialogParticipantManager::on_update_chat_invite_requester(DialogId dialog_id, UserId user_id, string about,
int32 date, DialogInviteLink invite_link) {
CHECK(td_->auth_manager_->is_bot());
if (date <= 0 || !td_->contacts_manager_->have_user_force(user_id, "on_update_chat_invite_requester") ||
!td_->dialog_manager_->have_dialog_info_force(dialog_id, "on_update_chat_invite_requester")) {
LOG(ERROR) << "Receive invalid updateBotChatInviteRequester by " << user_id << " in " << dialog_id << " at "
<< date;
return;
}
DialogId user_dialog_id(user_id);
td_->dialog_manager_->force_create_dialog(dialog_id, "on_update_chat_invite_requester", true);
td_->dialog_manager_->force_create_dialog(user_dialog_id, "on_update_chat_invite_requester");
send_closure(G()->td(), &Td::send_update,
td_api::make_object<td_api::updateNewChatJoinRequest>(
td_->dialog_manager_->get_chat_id_object(dialog_id, "updateNewChatJoinRequest"),
td_api::make_object<td_api::chatJoinRequest>(
td_->contacts_manager_->get_user_id_object(user_id, "updateNewChatJoinRequest"), date, about),
td_->dialog_manager_->get_chat_id_object(user_dialog_id, "updateNewChatJoinRequest 2"),
invite_link.get_chat_invite_link_object(td_->contacts_manager_.get())));
}
void DialogParticipantManager::get_dialog_participant(DialogId dialog_id, DialogId participant_dialog_id,
Promise<td_api::object_ptr<td_api::chatMember>> &&promise) {
auto new_promise = PromiseCreator::lambda(
[actor_id = actor_id(this), promise = std::move(promise)](Result<DialogParticipant> &&result) mutable {
TRY_RESULT_PROMISE(promise, dialog_participant, std::move(result));
send_closure(actor_id, &DialogParticipantManager::finish_get_dialog_participant, std::move(dialog_participant),
std::move(promise));
});
do_get_dialog_participant(dialog_id, participant_dialog_id, std::move(new_promise));
}
void DialogParticipantManager::finish_get_dialog_participant(
DialogParticipant &&dialog_participant, Promise<td_api::object_ptr<td_api::chatMember>> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
auto participant_dialog_id = dialog_participant.dialog_id_;
bool is_user = participant_dialog_id.get_type() == DialogType::User;
if ((is_user && !td_->contacts_manager_->have_user(participant_dialog_id.get_user_id())) ||
(!is_user && !td_->messages_manager_->have_dialog(participant_dialog_id))) {
return promise.set_error(Status::Error(400, "Member not found"));
}
promise.set_value(
td_->contacts_manager_->get_chat_member_object(dialog_participant, "finish_get_dialog_participant"));
}
void DialogParticipantManager::do_get_dialog_participant(DialogId dialog_id, DialogId participant_dialog_id,
Promise<DialogParticipant> &&promise) {
LOG(INFO) << "Receive getChatMember request to get " << participant_dialog_id << " in " << dialog_id;
if (!td_->dialog_manager_->have_dialog_force(dialog_id, "do_get_dialog_participant")) {
return promise.set_error(Status::Error(400, "Chat not found"));
}
switch (dialog_id.get_type()) {
case DialogType::User: {
auto my_user_id = td_->contacts_manager_->get_my_id();
auto peer_user_id = dialog_id.get_user_id();
if (participant_dialog_id == DialogId(my_user_id)) {
return promise.set_value(DialogParticipant::private_member(my_user_id, peer_user_id));
}
if (participant_dialog_id == dialog_id) {
return promise.set_value(DialogParticipant::private_member(peer_user_id, my_user_id));
}
return promise.set_error(Status::Error(400, "Member not found"));
}
case DialogType::Chat:
if (participant_dialog_id.get_type() != DialogType::User) {
return promise.set_value(DialogParticipant::left(participant_dialog_id));
}
return td_->contacts_manager_->get_chat_participant(dialog_id.get_chat_id(), participant_dialog_id.get_user_id(),
std::move(promise));
case DialogType::Channel:
return get_channel_participant(dialog_id.get_channel_id(), participant_dialog_id, std::move(promise));
case DialogType::SecretChat: {
auto my_user_id = td_->contacts_manager_->get_my_id();
auto peer_user_id = td_->contacts_manager_->get_secret_chat_user_id(dialog_id.get_secret_chat_id());
if (participant_dialog_id == DialogId(my_user_id)) {
return promise.set_value(DialogParticipant::private_member(my_user_id, peer_user_id));
}
if (peer_user_id.is_valid() && participant_dialog_id == DialogId(peer_user_id)) {
return promise.set_value(DialogParticipant::private_member(peer_user_id, my_user_id));
}
return promise.set_error(Status::Error(400, "Member not found"));
}
case DialogType::None:
default:
UNREACHABLE();
return;
}
}
void DialogParticipantManager::get_channel_participant(ChannelId channel_id, DialogId participant_dialog_id,
Promise<DialogParticipant> &&promise) {
LOG(INFO) << "Trying to get " << participant_dialog_id << " as member of " << channel_id;
auto input_peer = td_->dialog_manager_->get_input_peer(participant_dialog_id, AccessRights::Know);
if (input_peer == nullptr) {
return promise.set_error(Status::Error(400, "Member not found"));
}
if (have_channel_participant_cache(channel_id)) {
auto *participant = get_channel_participant_from_cache(channel_id, participant_dialog_id);
if (participant != nullptr) {
return promise.set_value(DialogParticipant{*participant});
}
}
auto on_result_promise = PromiseCreator::lambda([actor_id = actor_id(this), channel_id, promise = std::move(promise)](
Result<DialogParticipant> r_dialog_participant) mutable {
TRY_RESULT_PROMISE(promise, dialog_participant, std::move(r_dialog_participant));
send_closure(actor_id, &DialogParticipantManager::finish_get_channel_participant, channel_id,
std::move(dialog_participant), std::move(promise));
});
td_->create_handler<GetChannelParticipantQuery>(std::move(on_result_promise))
->send(channel_id, participant_dialog_id, std::move(input_peer));
}
void DialogParticipantManager::finish_get_channel_participant(ChannelId channel_id,
DialogParticipant &&dialog_participant,
Promise<DialogParticipant> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
CHECK(dialog_participant.is_valid()); // checked in GetChannelParticipantQuery
LOG(INFO) << "Receive " << dialog_participant.dialog_id_ << " as a member of a channel " << channel_id;
dialog_participant.status_.update_restrictions();
if (have_channel_participant_cache(channel_id)) {
add_channel_participant_to_cache(channel_id, dialog_participant, false);
}
promise.set_value(std::move(dialog_participant));
}
std::pair<int32, vector<DialogId>> DialogParticipantManager::search_among_dialogs(const vector<DialogId> &dialog_ids,
const string &query,
int32 limit) const {
Hints hints;
auto unix_time = G()->unix_time();
for (auto dialog_id : dialog_ids) {
if (!td_->dialog_manager_->have_dialog_info(dialog_id)) {
continue;
}
if (query.empty()) {
hints.add(dialog_id.get(), Slice(" "));
} else {
hints.add(dialog_id.get(), td_->dialog_manager_->get_dialog_search_text(dialog_id));
}
if (dialog_id.get_type() == DialogType::User) {
hints.set_rating(dialog_id.get(),
-td_->contacts_manager_->get_user_was_online(dialog_id.get_user_id(), unix_time));
}
}
auto result = hints.search(query, limit, true);
return {narrow_cast<int32>(result.first), transform(result.second, [](int64 key) { return DialogId(key); })};
}
DialogParticipants DialogParticipantManager::search_private_chat_participants(UserId peer_user_id, const string &query,
int32 limit,
DialogParticipantFilter filter) const {
auto my_user_id = td_->contacts_manager_->get_my_id();
vector<DialogId> dialog_ids;
if (filter.is_dialog_participant_suitable(td_, DialogParticipant::private_member(my_user_id, peer_user_id))) {
dialog_ids.push_back(DialogId(my_user_id));
}
if (peer_user_id.is_valid() && peer_user_id != my_user_id &&
filter.is_dialog_participant_suitable(td_, DialogParticipant::private_member(peer_user_id, my_user_id))) {
dialog_ids.push_back(DialogId(peer_user_id));
}
auto result = search_among_dialogs(dialog_ids, query, limit);
return {result.first, transform(result.second, [&](DialogId dialog_id) {
auto user_id = dialog_id.get_user_id();
return DialogParticipant::private_member(user_id, user_id == my_user_id ? peer_user_id : my_user_id);
})};
}
void DialogParticipantManager::search_chat_participants(ChatId chat_id, const string &query, int32 limit,
DialogParticipantFilter filter,
Promise<DialogParticipants> &&promise) {
if (limit < 0) {
return promise.set_error(Status::Error(400, "Parameter limit must be non-negative"));
}
auto load_chat_full_promise = PromiseCreator::lambda([actor_id = actor_id(this), chat_id, query, limit, filter,
promise = std::move(promise)](Result<Unit> &&result) mutable {
if (result.is_error()) {
promise.set_error(result.move_as_error());
} else {
send_closure(actor_id, &DialogParticipantManager::do_search_chat_participants, chat_id, query, limit, filter,
std::move(promise));
}
});
td_->contacts_manager_->load_chat_full(chat_id, false, std::move(load_chat_full_promise), "search_chat_participants");
}
void DialogParticipantManager::do_search_chat_participants(ChatId chat_id, const string &query, int32 limit,
DialogParticipantFilter filter,
Promise<DialogParticipants> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
const auto *participants = td_->contacts_manager_->get_chat_participants(chat_id);
if (participants == nullptr) {
return promise.set_error(Status::Error(500, "Can't find basic group full info"));
}
vector<DialogId> dialog_ids;
for (const auto &participant : *participants) {
if (filter.is_dialog_participant_suitable(td_, participant)) {
dialog_ids.push_back(participant.dialog_id_);
}
}
int32 total_count;
std::tie(total_count, dialog_ids) = search_among_dialogs(dialog_ids, query, limit);
td_->story_manager_->on_view_dialog_active_stories(dialog_ids);
vector<DialogParticipant> dialog_participants;
for (auto dialog_id : dialog_ids) {
for (const auto &participant : *participants) {
if (participant.dialog_id_ == dialog_id) {
dialog_participants.push_back(participant);
break;
}
}
}
promise.set_value(DialogParticipants{total_count, std::move(dialog_participants)});
}
void DialogParticipantManager::get_channel_participants(ChannelId channel_id,
td_api::object_ptr<td_api::SupergroupMembersFilter> &&filter,
string additional_query, int32 offset, int32 limit,
int32 additional_limit, Promise<DialogParticipants> &&promise) {
if (limit <= 0) {
return promise.set_error(Status::Error(400, "Parameter limit must be positive"));
}
if (limit > MAX_GET_CHANNEL_PARTICIPANTS) {
limit = MAX_GET_CHANNEL_PARTICIPANTS;
}
if (offset < 0) {
return promise.set_error(Status::Error(400, "Parameter offset must be non-negative"));
}
if (td_->contacts_manager_->is_broadcast_channel(channel_id) &&
!td_->contacts_manager_->get_channel_status(channel_id).is_administrator()) {
return promise.set_error(Status::Error(400, "Member list is inaccessible"));
}
ChannelParticipantFilter participant_filter(filter);
auto get_channel_participants_promise = PromiseCreator::lambda(
[actor_id = actor_id(this), channel_id, filter = participant_filter,
additional_query = std::move(additional_query), offset, limit, additional_limit, promise = std::move(promise)](
Result<telegram_api::object_ptr<telegram_api::channels_channelParticipants>> &&result) mutable {
if (result.is_error()) {
promise.set_error(result.move_as_error());
} else {
send_closure(actor_id, &DialogParticipantManager::on_get_channel_participants, channel_id, std::move(filter),
offset, limit, std::move(additional_query), additional_limit, result.move_as_ok(),
std::move(promise));
}
});
td_->create_handler<GetChannelParticipantsQuery>(std::move(get_channel_participants_promise))
->send(channel_id, participant_filter, offset, limit);
}
void DialogParticipantManager::on_get_channel_participants(
ChannelId channel_id, ChannelParticipantFilter &&filter, int32 offset, int32 limit, string additional_query,
int32 additional_limit, telegram_api::object_ptr<telegram_api::channels_channelParticipants> &&channel_participants,
Promise<DialogParticipants> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
td_->contacts_manager_->on_get_users(std::move(channel_participants->users_), "on_get_channel_participants");
td_->contacts_manager_->on_get_chats(std::move(channel_participants->chats_), "on_get_channel_participants");
int32 total_count = channel_participants->count_;
auto participants = std::move(channel_participants->participants_);
LOG(INFO) << "Receive " << participants.size() << " " << filter << " members in " << channel_id;
bool is_full = offset == 0 && static_cast<int32>(participants.size()) < limit && total_count < limit;
bool has_hidden_participants =
td_->contacts_manager_->get_channel_effective_has_hidden_participants(channel_id, "on_get_channel_participants");
bool is_full_recent = is_full && filter.is_recent() && !has_hidden_participants;
auto channel_type = td_->contacts_manager_->get_channel_type(channel_id);
vector<DialogParticipant> result;
for (auto &participant_ptr : participants) {
auto debug_participant = to_string(participant_ptr);
result.emplace_back(std::move(participant_ptr), channel_type);
const auto &participant = result.back();
UserId participant_user_id;
if (participant.dialog_id_.get_type() == DialogType::User) {
participant_user_id = participant.dialog_id_.get_user_id();
}
if (!participant.is_valid() || (filter.is_bots() && !td_->contacts_manager_->is_user_bot(participant_user_id)) ||
(filter.is_administrators() && !participant.status_.is_administrator()) ||
((filter.is_recent() || filter.is_contacts() || filter.is_search()) && !participant.status_.is_member()) ||
(filter.is_contacts() && !td_->contacts_manager_->is_user_contact(participant_user_id)) ||
(filter.is_restricted() && !participant.status_.is_restricted()) ||
(filter.is_banned() && !participant.status_.is_banned())) {
bool skip_error = ((filter.is_administrators() || filter.is_bots()) &&
td_->contacts_manager_->is_user_deleted(participant_user_id)) ||
(filter.is_contacts() && participant_user_id == td_->contacts_manager_->get_my_id());
if (!skip_error) {
LOG(ERROR) << "Receive " << participant << ", while searching for " << filter << " in " << channel_id
<< " with offset " << offset << " and limit " << limit << ": " << oneline(debug_participant);
}
result.pop_back();
total_count--;
}
}
if (total_count < narrow_cast<int32>(result.size())) {
LOG(ERROR) << "Receive total_count = " << total_count << ", but have at least " << result.size() << " " << filter
<< " members in " << channel_id;
total_count = static_cast<int32>(result.size());
} else if (is_full && total_count > static_cast<int32>(result.size())) {
LOG(ERROR) << "Fix total number of " << filter << " members from " << total_count << " to " << result.size()
<< " in " << channel_id << " for request with limit " << limit << " and received " << participants.size()
<< " results";
total_count = static_cast<int32>(result.size());
}
auto is_megagroup = td_->contacts_manager_->is_megagroup_channel(channel_id);
const auto max_participant_count = is_megagroup ? 975 : 195;
auto participant_count =
filter.is_recent() && !has_hidden_participants && total_count != 0 && total_count < max_participant_count
? total_count
: -1;
int32 administrator_count =
filter.is_administrators() || (filter.is_recent() && has_hidden_participants) ? total_count : -1;
if (is_full && (filter.is_administrators() || filter.is_bots() || filter.is_recent())) {
vector<DialogAdministrator> administrators;
vector<UserId> bot_user_ids;
{
if (filter.is_recent()) {
for (const auto &participant : result) {
if (participant.dialog_id_.get_type() == DialogType::User) {
auto participant_user_id = participant.dialog_id_.get_user_id();
if (participant.status_.is_administrator()) {
administrators.emplace_back(participant_user_id, participant.status_.get_rank(),
participant.status_.is_creator());
}
if (is_full_recent && td_->contacts_manager_->is_user_bot(participant_user_id)) {
bot_user_ids.push_back(participant_user_id);
}
}
}
administrator_count = narrow_cast<int32>(administrators.size());
if (is_megagroup && !td_->auth_manager_->is_bot() && is_full_recent) {
set_cached_channel_participants(channel_id, result);
update_channel_online_member_count(channel_id, true);
}
} else if (filter.is_administrators()) {
for (const auto &participant : result) {
if (participant.dialog_id_.get_type() == DialogType::User) {
administrators.emplace_back(participant.dialog_id_.get_user_id(), participant.status_.get_rank(),
participant.status_.is_creator());
}
}
} else if (filter.is_bots()) {
bot_user_ids = transform(result, [](const DialogParticipant &participant) {
CHECK(participant.dialog_id_.get_type() == DialogType::User);
return participant.dialog_id_.get_user_id();
});
}
}
if (filter.is_administrators() || filter.is_recent()) {
on_update_dialog_administrators(DialogId(channel_id), std::move(administrators), true, false);
}
if (filter.is_bots() || is_full_recent) {
td_->contacts_manager_->on_update_channel_bot_user_ids(channel_id, std::move(bot_user_ids));
}
}
if (have_channel_participant_cache(channel_id)) {
for (const auto &participant : result) {
add_channel_participant_to_cache(channel_id, participant, false);
}
}
if (participant_count != -1) {
td_->contacts_manager_->on_update_channel_participant_count(channel_id, participant_count);
}
if (administrator_count != -1) {
td_->contacts_manager_->on_update_channel_administrator_count(channel_id, administrator_count);
}
if (!additional_query.empty()) {
auto dialog_ids = transform(result, [](const DialogParticipant &participant) { return participant.dialog_id_; });
std::pair<int32, vector<DialogId>> result_dialog_ids =
search_among_dialogs(dialog_ids, additional_query, additional_limit);
total_count = result_dialog_ids.first;
FlatHashSet<DialogId, DialogIdHash> result_dialog_ids_set;
for (auto result_dialog_id : result_dialog_ids.second) {
CHECK(result_dialog_id.is_valid());
result_dialog_ids_set.insert(result_dialog_id);
}
auto all_participants = std::move(result);
result.clear();
for (auto &participant : all_participants) {
if (result_dialog_ids_set.count(participant.dialog_id_)) {
result_dialog_ids_set.erase(participant.dialog_id_);
result.push_back(std::move(participant));
}
}
}
vector<DialogId> participant_dialog_ids;
for (const auto &participant : result) {
participant_dialog_ids.push_back(participant.dialog_id_);
}
td_->story_manager_->on_view_dialog_active_stories(std::move(participant_dialog_ids));
promise.set_value(DialogParticipants{total_count, std::move(result)});
}
void DialogParticipantManager::search_dialog_participants(DialogId dialog_id, const string &query, int32 limit,
DialogParticipantFilter filter,
Promise<DialogParticipants> &&promise) {
LOG(INFO) << "Receive searchChatMembers request to search for \"" << query << "\" in " << dialog_id << " with filter "
<< filter;
if (!td_->dialog_manager_->have_dialog_force(dialog_id, "search_dialog_participants")) {
return promise.set_error(Status::Error(400, "Chat not found"));
}
if (limit < 0) {
return promise.set_error(Status::Error(400, "Parameter limit must be non-negative"));
}
switch (dialog_id.get_type()) {
case DialogType::User:
return promise.set_value(search_private_chat_participants(dialog_id.get_user_id(), query, limit, filter));
case DialogType::Chat:
return search_chat_participants(dialog_id.get_chat_id(), query, limit, filter, std::move(promise));
case DialogType::Channel: {
auto channel_id = dialog_id.get_channel_id();
if (filter.has_query()) {
return get_channel_participants(channel_id, filter.get_supergroup_members_filter_object(query), string(), 0,
limit, 0, std::move(promise));
} else {
return get_channel_participants(channel_id, filter.get_supergroup_members_filter_object(string()), query, 0,
100, limit, std::move(promise));
}
}
case DialogType::SecretChat: {
auto peer_user_id = td_->contacts_manager_->get_secret_chat_user_id(dialog_id.get_secret_chat_id());
return promise.set_value(search_private_chat_participants(peer_user_id, query, limit, filter));
}
case DialogType::None:
default:
UNREACHABLE();
promise.set_error(Status::Error(500, "Wrong chat type"));
}
}
void DialogParticipantManager::add_dialog_participant(DialogId dialog_id, UserId user_id, int32 forward_limit,
Promise<Unit> &&promise) {
if (!td_->dialog_manager_->have_dialog_force(dialog_id, "add_dialog_participant")) {
return promise.set_error(Status::Error(400, "Chat not found"));
}
switch (dialog_id.get_type()) {
case DialogType::User:
return promise.set_error(Status::Error(400, "Can't add members to a private chat"));
case DialogType::Chat:
return add_chat_participant(dialog_id.get_chat_id(), user_id, forward_limit, std::move(promise));
case DialogType::Channel:
return add_channel_participant(dialog_id.get_channel_id(), user_id, DialogParticipantStatus::Left(),
std::move(promise));
case DialogType::SecretChat:
return promise.set_error(Status::Error(400, "Can't add members to a secret chat"));
case DialogType::None:
default:
UNREACHABLE();
}
}
void DialogParticipantManager::add_dialog_participants(DialogId dialog_id, const vector<UserId> &user_ids,
Promise<Unit> &&promise) {
if (!td_->dialog_manager_->have_dialog_force(dialog_id, "add_dialog_participants")) {
return promise.set_error(Status::Error(400, "Chat not found"));
}
switch (dialog_id.get_type()) {
case DialogType::User:
return promise.set_error(Status::Error(400, "Can't add members to a private chat"));
case DialogType::Chat:
if (user_ids.size() == 1) {
return add_chat_participant(dialog_id.get_chat_id(), user_ids[0], 0, std::move(promise));
}
return promise.set_error(Status::Error(400, "Can't add many members at once to a basic group chat"));
case DialogType::Channel:
return add_channel_participants(dialog_id.get_channel_id(), user_ids, std::move(promise));
case DialogType::SecretChat:
return promise.set_error(Status::Error(400, "Can't add members to a secret chat"));
case DialogType::None:
default:
UNREACHABLE();
}
}
void DialogParticipantManager::set_dialog_participant_status(
DialogId dialog_id, DialogId participant_dialog_id,
td_api::object_ptr<td_api::ChatMemberStatus> &&chat_member_status, Promise<Unit> &&promise) {
if (!td_->dialog_manager_->have_dialog_force(dialog_id, "set_dialog_participant_status")) {
return promise.set_error(Status::Error(400, "Chat not found"));
}
switch (dialog_id.get_type()) {
case DialogType::User:
return promise.set_error(Status::Error(400, "Chat member status can't be changed in private chats"));
case DialogType::Chat: {
auto status = get_dialog_participant_status(chat_member_status, ChannelType::Unknown);
if (participant_dialog_id.get_type() != DialogType::User) {
if (status == DialogParticipantStatus::Left()) {
return promise.set_value(Unit());
} else {
return promise.set_error(Status::Error(400, "Chats can't be members of basic groups"));
}
}
return set_chat_participant_status(dialog_id.get_chat_id(), participant_dialog_id.get_user_id(), status, false,
std::move(promise));
}
case DialogType::Channel:
return set_channel_participant_status(dialog_id.get_channel_id(), participant_dialog_id,
std::move(chat_member_status), std::move(promise));
case DialogType::SecretChat:
return promise.set_error(Status::Error(400, "Chat member status can't be changed in secret chats"));
case DialogType::None:
default:
UNREACHABLE();
}
}
void DialogParticipantManager::ban_dialog_participant(DialogId dialog_id, DialogId participant_dialog_id,
int32 banned_until_date, bool revoke_messages,
Promise<Unit> &&promise) {
if (!td_->dialog_manager_->have_dialog_force(dialog_id, "ban_dialog_participant")) {
return promise.set_error(Status::Error(400, "Chat not found"));
}
switch (dialog_id.get_type()) {
case DialogType::User:
return promise.set_error(Status::Error(400, "Can't ban members in private chats"));
case DialogType::Chat:
if (participant_dialog_id.get_type() != DialogType::User) {
return promise.set_error(Status::Error(400, "Can't ban chats in basic groups"));
}
return delete_chat_participant(dialog_id.get_chat_id(), participant_dialog_id.get_user_id(), revoke_messages,
std::move(promise));
case DialogType::Channel:
// must use td_api::chatMemberStatusBanned to properly fix banned_until_date
return set_channel_participant_status(dialog_id.get_channel_id(), participant_dialog_id,
td_api::make_object<td_api::chatMemberStatusBanned>(banned_until_date),
std::move(promise));
case DialogType::SecretChat:
return promise.set_error(Status::Error(400, "Can't ban members in secret chats"));
case DialogType::None:
default:
UNREACHABLE();
}
}
void DialogParticipantManager::leave_dialog(DialogId dialog_id, Promise<Unit> &&promise) {
if (!td_->dialog_manager_->have_dialog_force(dialog_id, "leave_dialog")) {
return promise.set_error(Status::Error(400, "Chat not found"));
}
switch (dialog_id.get_type()) {
case DialogType::User:
return promise.set_error(Status::Error(400, "Can't leave private chats"));
case DialogType::Chat:
return delete_chat_participant(dialog_id.get_chat_id(), td_->contacts_manager_->get_my_id(), false,
std::move(promise));
case DialogType::Channel: {
auto channel_id = dialog_id.get_channel_id();
auto old_status = td_->contacts_manager_->get_channel_status(channel_id);
auto new_status = old_status;
new_status.set_is_member(false);
return restrict_channel_participant(channel_id, td_->dialog_manager_->get_my_dialog_id(), std::move(new_status),
std::move(old_status), std::move(promise));
}
case DialogType::SecretChat:
return promise.set_error(Status::Error(400, "Can't leave secret chats"));
case DialogType::None:
default:
UNREACHABLE();
}
}
void DialogParticipantManager::add_chat_participant(ChatId chat_id, UserId user_id, int32 forward_limit,
Promise<Unit> &&promise) {
if (!td_->contacts_manager_->get_chat_is_active(chat_id)) {
if (!td_->contacts_manager_->have_chat(chat_id)) {
return promise.set_error(Status::Error(400, "Chat info not found"));
}
return promise.set_error(Status::Error(400, "Chat is deactivated"));
}
if (forward_limit < 0) {
return promise.set_error(Status::Error(400, "Can't forward negative number of messages"));
}
auto permissions = td_->contacts_manager_->get_chat_permissions(chat_id);
if (user_id != td_->contacts_manager_->get_my_id()) {
if (!permissions.can_invite_users()) {
return promise.set_error(Status::Error(400, "Not enough rights to invite members to the group chat"));
}
} else if (permissions.is_banned()) {
return promise.set_error(Status::Error(400, "User was kicked from the chat"));
}
// TODO upper bound on forward_limit
TRY_RESULT_PROMISE(promise, input_user, td_->contacts_manager_->get_input_user(user_id));
// TODO invoke after
td_->create_handler<AddChatUserQuery>(std::move(promise))
->send(chat_id, user_id, std::move(input_user), forward_limit);
}
void DialogParticipantManager::set_chat_participant_status(ChatId chat_id, UserId user_id,
DialogParticipantStatus status, bool is_recursive,
Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
if (!status.is_member()) {
return delete_chat_participant(chat_id, user_id, false, std::move(promise));
}
if (status.is_creator()) {
return promise.set_error(Status::Error(400, "Can't change owner in basic group chats"));
}
if (status.is_restricted()) {
return promise.set_error(Status::Error(400, "Can't restrict users in basic group chats"));
}
if (!td_->contacts_manager_->get_chat_is_active(chat_id)) {
if (!td_->contacts_manager_->have_chat(chat_id)) {
return promise.set_error(Status::Error(400, "Chat info not found"));
}
return promise.set_error(Status::Error(400, "Chat is deactivated"));
}
if (!is_recursive) {
auto load_chat_full_promise =
PromiseCreator::lambda([actor_id = actor_id(this), chat_id, user_id, status = std::move(status),
promise = std::move(promise)](Result<Unit> &&result) mutable {
if (result.is_error()) {
promise.set_error(result.move_as_error());
} else {
send_closure(actor_id, &DialogParticipantManager::set_chat_participant_status, chat_id, user_id, status,
true, std::move(promise));
}
});
return td_->contacts_manager_->load_chat_full(chat_id, false, std::move(load_chat_full_promise),
"set_chat_participant_status");
}
auto participant = td_->contacts_manager_->get_chat_participant(chat_id, user_id);
if (participant == nullptr && !status.is_administrator()) {
// the user isn't a member, but needs to be added
return add_chat_participant(chat_id, user_id, 0, std::move(promise));
}
auto permissions = td_->contacts_manager_->get_chat_permissions(chat_id);
if (!permissions.can_promote_members()) {
return promise.set_error(Status::Error(400, "Need owner rights in the group chat"));
}
if (user_id == td_->contacts_manager_->get_my_id()) {
return promise.set_error(Status::Error(400, "Can't promote or demote self"));
}
if (participant == nullptr) {
// the user must be added first
CHECK(status.is_administrator());
auto add_chat_participant_promise = PromiseCreator::lambda(
[actor_id = actor_id(this), chat_id, user_id, promise = std::move(promise)](Result<Unit> &&result) mutable {
if (result.is_error()) {
promise.set_error(result.move_as_error());
} else {
send_closure(actor_id, &DialogParticipantManager::send_edit_chat_admin_query, chat_id, user_id, true,
std::move(promise));
}
});
return add_chat_participant(chat_id, user_id, 0, std::move(add_chat_participant_promise));
}
send_edit_chat_admin_query(chat_id, user_id, status.is_administrator(), std::move(promise));
}
void DialogParticipantManager::send_edit_chat_admin_query(ChatId chat_id, UserId user_id, bool is_administrator,
Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
TRY_RESULT_PROMISE(promise, input_user, td_->contacts_manager_->get_input_user(user_id));
td_->create_handler<EditChatAdminQuery>(std::move(promise))
->send(chat_id, user_id, std::move(input_user), is_administrator);
}
void DialogParticipantManager::delete_chat_participant(ChatId chat_id, UserId user_id, bool revoke_messages,
Promise<Unit> &&promise) {
if (!td_->contacts_manager_->get_chat_is_active(chat_id)) {
if (!td_->contacts_manager_->have_chat(chat_id)) {
return promise.set_error(Status::Error(400, "Chat info not found"));
}
return promise.set_error(Status::Error(400, "Chat is deactivated"));
}
auto my_id = td_->contacts_manager_->get_my_id();
auto permissions = td_->contacts_manager_->get_chat_permissions(chat_id);
if (permissions.is_left()) {
if (user_id == my_id) {
if (revoke_messages) {
return td_->messages_manager_->delete_dialog_history(DialogId(chat_id), true, false, std::move(promise));
}
return promise.set_value(Unit());
} else {
return promise.set_error(Status::Error(400, "Not in the chat"));
}
}
/* TODO
if (user_id != my_id) {
if (!permissions.is_creator()) { // creator can delete anyone
auto participant = get_chat_participant(chat_id, user_id);
if (participant != nullptr) { // if have no information about participant, just send request to the server
if (c->everyone_is_administrator) {
// if all are administrators, only invited by me participants can be deleted
if (participant->inviter_user_id_ != my_id) {
return promise.set_error(Status::Error(400, "Need to be inviter of a user to kick it from a basic group"));
}
} else {
// otherwise, only creator can kick administrators
if (participant->status_.is_administrator()) {
return promise.set_error(
Status::Error(400, "Only the creator of a basic group can kick group administrators"));
}
// regular users can be kicked by administrators and their inviters
if (!permissions.is_administrator() && participant->inviter_user_id_ != my_id) {
return promise.set_error(Status::Error(400, "Need to be inviter of a user to kick it from a basic group"));
}
}
}
}
}
*/
TRY_RESULT_PROMISE(promise, input_user, td_->contacts_manager_->get_input_user(user_id));
// TODO invoke after
td_->create_handler<DeleteChatUserQuery>(std::move(promise))->send(chat_id, std::move(input_user), revoke_messages);
}
void DialogParticipantManager::add_channel_participant(ChannelId channel_id, UserId user_id,
const DialogParticipantStatus &old_status,
Promise<Unit> &&promise) {
if (td_->auth_manager_->is_bot()) {
return promise.set_error(Status::Error(400, "Bots can't add new chat members"));
}
if (!td_->contacts_manager_->have_channel(channel_id)) {
return promise.set_error(Status::Error(400, "Chat info not found"));
}
TRY_RESULT_PROMISE(promise, input_user, td_->contacts_manager_->get_input_user(user_id));
if (user_id == td_->contacts_manager_->get_my_id()) {
// join the channel
auto my_status = td_->contacts_manager_->get_channel_status(channel_id);
if (my_status.is_banned()) {
return promise.set_error(Status::Error(400, "Can't return to kicked from chat"));
}
if (my_status.is_member()) {
return promise.set_value(Unit());
}
auto &queries = join_channel_queries_[channel_id];
queries.push_back(std::move(promise));
if (queries.size() == 1u) {
if (!td_->contacts_manager_->get_channel_join_request(channel_id)) {
auto new_status = my_status;
new_status.set_is_member(true);
speculative_add_channel_user(channel_id, user_id, new_status, my_status);
}
auto query_promise = PromiseCreator::lambda([actor_id = actor_id(this), channel_id](Result<Unit> result) {
send_closure(actor_id, &DialogParticipantManager::on_join_channel, channel_id, std::move(result));
});
td_->create_handler<JoinChannelQuery>(std::move(query_promise))->send(channel_id);
}
return;
}
if (!td_->contacts_manager_->get_channel_permissions(channel_id).can_invite_users()) {
return promise.set_error(Status::Error(400, "Not enough rights to invite members to the supergroup chat"));
}
speculative_add_channel_user(channel_id, user_id, DialogParticipantStatus::Member(), old_status);
vector<tl_object_ptr<telegram_api::InputUser>> input_users;
input_users.push_back(std::move(input_user));
td_->create_handler<InviteToChannelQuery>(std::move(promise))->send(channel_id, {user_id}, std::move(input_users));
}
void DialogParticipantManager::on_join_channel(ChannelId channel_id, Result<Unit> &&result) {
G()->ignore_result_if_closing(result);
auto it = join_channel_queries_.find(channel_id);
CHECK(it != join_channel_queries_.end());
auto promises = std::move(it->second);
CHECK(!promises.empty());
join_channel_queries_.erase(it);
if (result.is_ok()) {
set_promises(promises);
} else {
fail_promises(promises, result.move_as_error());
}
}
void DialogParticipantManager::add_channel_participants(ChannelId channel_id, const vector<UserId> &user_ids,
Promise<Unit> &&promise) {
if (td_->auth_manager_->is_bot()) {
return promise.set_error(Status::Error(400, "Bots can't add new chat members"));
}
if (!td_->contacts_manager_->have_channel(channel_id)) {
return promise.set_error(Status::Error(400, "Chat info not found"));
}
if (!td_->contacts_manager_->get_channel_permissions(channel_id).can_invite_users()) {
return promise.set_error(Status::Error(400, "Not enough rights to invite members to the supergroup chat"));
}
vector<tl_object_ptr<telegram_api::InputUser>> input_users;
for (auto user_id : user_ids) {
TRY_RESULT_PROMISE(promise, input_user, td_->contacts_manager_->get_input_user(user_id));
if (user_id == td_->contacts_manager_->get_my_id()) {
// can't invite self
continue;
}
input_users.push_back(std::move(input_user));
speculative_add_channel_user(channel_id, user_id, DialogParticipantStatus::Member(),
DialogParticipantStatus::Left());
}
if (input_users.empty()) {
return promise.set_value(Unit());
}
td_->create_handler<InviteToChannelQuery>(std::move(promise))->send(channel_id, user_ids, std::move(input_users));
}
void DialogParticipantManager::set_channel_participant_status(
ChannelId channel_id, DialogId participant_dialog_id,
td_api::object_ptr<td_api::ChatMemberStatus> &&chat_member_status, Promise<Unit> &&promise) {
if (!td_->contacts_manager_->have_channel(channel_id)) {
return promise.set_error(Status::Error(400, "Chat info not found"));
}
auto new_status =
get_dialog_participant_status(chat_member_status, td_->contacts_manager_->get_channel_type(channel_id));
if (participant_dialog_id == td_->dialog_manager_->get_my_dialog_id()) {
// fast path is needed, because get_channel_status may return Creator, while GetChannelParticipantQuery returning Left
return set_channel_participant_status_impl(channel_id, participant_dialog_id, std::move(new_status),
td_->contacts_manager_->get_channel_status(channel_id),
std::move(promise));
}
if (participant_dialog_id.get_type() != DialogType::User) {
if (new_status.is_administrator() || new_status.is_member() || new_status.is_restricted()) {
return promise.set_error(Status::Error(400, "Other chats can be only banned or unbanned"));
}
// always pretend that old_status is different
return restrict_channel_participant(
channel_id, participant_dialog_id, std::move(new_status),
new_status.is_banned() ? DialogParticipantStatus::Left() : DialogParticipantStatus::Banned(0),
std::move(promise));
}
auto on_result_promise =
PromiseCreator::lambda([actor_id = actor_id(this), channel_id, participant_dialog_id, new_status,
promise = std::move(promise)](Result<DialogParticipant> r_dialog_participant) mutable {
// ResultHandlers are cleared before managers, so it is safe to capture this
if (r_dialog_participant.is_error()) {
return promise.set_error(r_dialog_participant.move_as_error());
}
send_closure(actor_id, &DialogParticipantManager::set_channel_participant_status_impl, channel_id,
participant_dialog_id, std::move(new_status), r_dialog_participant.ok().status_,
std::move(promise));
});
get_channel_participant(channel_id, participant_dialog_id, std::move(on_result_promise));
}
void DialogParticipantManager::set_channel_participant_status_impl(ChannelId channel_id, DialogId participant_dialog_id,
DialogParticipantStatus new_status,
DialogParticipantStatus old_status,
Promise<Unit> &&promise) {
if (old_status == new_status && !old_status.is_creator()) {
return promise.set_value(Unit());
}
CHECK(participant_dialog_id.get_type() == DialogType::User);
LOG(INFO) << "Change status of " << participant_dialog_id << " in " << channel_id << " from " << old_status << " to "
<< new_status;
bool need_add = false;
bool need_promote = false;
bool need_restrict = false;
if (new_status.is_creator() || old_status.is_creator()) {
if (!old_status.is_creator()) {
return promise.set_error(Status::Error(400, "Can't add another owner to the chat"));
}
if (!new_status.is_creator()) {
return promise.set_error(Status::Error(400, "Can't remove chat owner"));
}
auto user_id = td_->contacts_manager_->get_my_id();
if (participant_dialog_id != DialogId(user_id)) {
return promise.set_error(Status::Error(400, "Not enough rights to edit chat owner rights"));
}
if (new_status.is_member() == old_status.is_member()) {
// change rank and is_anonymous
auto r_input_user = td_->contacts_manager_->get_input_user(user_id);
CHECK(r_input_user.is_ok());
td_->create_handler<EditChannelAdminQuery>(std::move(promise))
->send(channel_id, user_id, r_input_user.move_as_ok(), new_status);
return;
}
if (new_status.is_member()) {
// creator not member -> creator member
need_add = true;
} else {
// creator member -> creator not member
need_restrict = true;
}
} else if (new_status.is_administrator()) {
need_promote = true;
} else if (!new_status.is_member() || new_status.is_restricted()) {
if (new_status.is_member() && !old_status.is_member()) {
// TODO there is no way in server API to invite someone and change restrictions
// we need to first add user and change restrictions again after that
// but if restrictions aren't changed, then adding is enough
auto copy_old_status = old_status;
copy_old_status.set_is_member(true);
if (copy_old_status == new_status) {
need_add = true;
} else {
need_restrict = true;
}
} else {
need_restrict = true;
}
} else {
// regular member
if (old_status.is_administrator()) {
need_promote = true;
} else if (old_status.is_restricted() || old_status.is_banned()) {
need_restrict = true;
} else {
CHECK(!old_status.is_member());
need_add = true;
}
}
if (need_promote) {
if (participant_dialog_id.get_type() != DialogType::User) {
return promise.set_error(Status::Error(400, "Can't promote chats to chat administrators"));
}
return promote_channel_participant(channel_id, participant_dialog_id.get_user_id(), new_status, old_status,
std::move(promise));
} else if (need_restrict) {
return restrict_channel_participant(channel_id, participant_dialog_id, std::move(new_status), std::move(old_status),
std::move(promise));
} else {
CHECK(need_add);
if (participant_dialog_id.get_type() != DialogType::User) {
return promise.set_error(Status::Error(400, "Can't add chats as chat members"));
}
return add_channel_participant(channel_id, participant_dialog_id.get_user_id(), old_status, std::move(promise));
}
}
void DialogParticipantManager::promote_channel_participant(ChannelId channel_id, UserId user_id,
const DialogParticipantStatus &new_status,
const DialogParticipantStatus &old_status,
Promise<Unit> &&promise) {
LOG(INFO) << "Promote " << user_id << " in " << channel_id << " from " << old_status << " to " << new_status;
if (user_id == td_->contacts_manager_->get_my_id()) {
if (new_status.is_administrator()) {
return promise.set_error(Status::Error(400, "Can't promote self"));
}
CHECK(new_status.is_member());
// allow to demote self. TODO is it allowed server-side?
} else {
if (!td_->contacts_manager_->get_channel_permissions(channel_id).can_promote_members()) {
return promise.set_error(Status::Error(400, "Not enough rights"));
}
CHECK(!old_status.is_creator());
CHECK(!new_status.is_creator());
}
TRY_RESULT_PROMISE(promise, input_user, td_->contacts_manager_->get_input_user(user_id));
speculative_add_channel_user(channel_id, user_id, new_status, old_status);
td_->create_handler<EditChannelAdminQuery>(std::move(promise))
->send(channel_id, user_id, std::move(input_user), new_status);
}
void DialogParticipantManager::restrict_channel_participant(ChannelId channel_id, DialogId participant_dialog_id,
DialogParticipantStatus &&new_status,
DialogParticipantStatus &&old_status,
Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
LOG(INFO) << "Restrict " << participant_dialog_id << " in " << channel_id << " from " << old_status << " to "
<< new_status;
if (!td_->contacts_manager_->have_channel(channel_id)) {
return promise.set_error(Status::Error(400, "Chat info not found"));
}
auto my_status = td_->contacts_manager_->get_channel_status(channel_id);
if (!my_status.is_member() && !my_status.is_creator()) {
if (participant_dialog_id == td_->dialog_manager_->get_my_dialog_id()) {
if (new_status.is_member()) {
return promise.set_error(Status::Error(400, "Can't unrestrict self"));
}
return promise.set_value(Unit());
} else {
return promise.set_error(Status::Error(400, "Not in the chat"));
}
}
auto input_peer = td_->dialog_manager_->get_input_peer(participant_dialog_id, AccessRights::Know);
if (input_peer == nullptr) {
return promise.set_error(Status::Error(400, "Member not found"));
}
if (participant_dialog_id == td_->dialog_manager_->get_my_dialog_id()) {
if (new_status.is_restricted() || new_status.is_banned()) {
return promise.set_error(Status::Error(400, "Can't restrict self"));
}
if (new_status.is_member()) {
return promise.set_error(Status::Error(400, "Can't unrestrict self"));
}
// leave the channel
speculative_add_channel_user(channel_id, participant_dialog_id.get_user_id(), new_status, my_status);
td_->create_handler<LeaveChannelQuery>(std::move(promise))->send(channel_id);
return;
}
switch (participant_dialog_id.get_type()) {
case DialogType::User:
// ok;
break;
case DialogType::Channel:
if (new_status.is_administrator() || new_status.is_member() || new_status.is_restricted()) {
return promise.set_error(Status::Error(400, "Other chats can be only banned or unbanned"));
}
break;
default:
return promise.set_error(Status::Error(400, "Can't restrict the chat"));
}
CHECK(!old_status.is_creator());
CHECK(!new_status.is_creator());
if (!td_->contacts_manager_->get_channel_permissions(channel_id).can_restrict_members()) {
return promise.set_error(Status::Error(400, "Not enough rights to restrict/unrestrict chat member"));
}
if (old_status.is_member() && !new_status.is_member() && !new_status.is_banned()) {
// we can't make participant Left without kicking it first
auto on_result_promise = PromiseCreator::lambda([actor_id = actor_id(this), channel_id, participant_dialog_id,
new_status = std::move(new_status),
promise = std::move(promise)](Result<> result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
create_actor<SleepActor>(
"RestrictChannelParticipantSleepActor", 1.0,
PromiseCreator::lambda([actor_id, channel_id, participant_dialog_id, new_status = std::move(new_status),
promise = std::move(promise)](Result<> result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
send_closure(actor_id, &DialogParticipantManager::restrict_channel_participant, channel_id,
participant_dialog_id, std::move(new_status), DialogParticipantStatus::Banned(0),
std::move(promise));
}))
.release();
});
promise = std::move(on_result_promise);
new_status = DialogParticipantStatus::Banned(G()->unix_time() + 60);
}
if (new_status.is_member() && !old_status.is_member()) {
// there is no way in server API to invite someone and change restrictions
// we need to first change restrictions and then try to add the user
CHECK(participant_dialog_id.get_type() == DialogType::User);
new_status.set_is_member(false);
auto on_result_promise =
PromiseCreator::lambda([actor_id = actor_id(this), channel_id, participant_dialog_id, old_status = new_status,
promise = std::move(promise)](Result<> result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
create_actor<SleepActor>(
"AddChannelParticipantSleepActor", 1.0,
PromiseCreator::lambda([actor_id, channel_id, participant_dialog_id, old_status = std::move(old_status),
promise = std::move(promise)](Result<> result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
send_closure(actor_id, &DialogParticipantManager::add_channel_participant, channel_id,
participant_dialog_id.get_user_id(), old_status, std::move(promise));
}))
.release();
});
promise = std::move(on_result_promise);
}
if (participant_dialog_id.get_type() == DialogType::User) {
speculative_add_channel_user(channel_id, participant_dialog_id.get_user_id(), new_status, old_status);
}
td_->create_handler<EditChannelBannedQuery>(std::move(promise))
->send(channel_id, participant_dialog_id, std::move(input_peer), new_status);
}
void DialogParticipantManager::on_set_channel_participant_status(ChannelId channel_id, DialogId participant_dialog_id,
DialogParticipantStatus status) {
if (G()->close_flag() || participant_dialog_id == td_->dialog_manager_->get_my_dialog_id()) {
return;
}
status.update_restrictions();
if (have_channel_participant_cache(channel_id)) {
update_channel_participant_status_cache(channel_id, participant_dialog_id, std::move(status));
}
}
void DialogParticipantManager::speculative_add_channel_user(ChannelId channel_id, UserId user_id,
const DialogParticipantStatus &new_status,
const DialogParticipantStatus &old_status) {
speculative_update_dialog_administrators(DialogId(channel_id), user_id, new_status, old_status);
td_->contacts_manager_->speculative_add_channel_user(channel_id, user_id, new_status, old_status);
}
void DialogParticipantManager::send_update_add_chat_members_privacy_forbidden(DialogId dialog_id,
vector<UserId> user_ids,
const char *source) {
td_->dialog_manager_->force_create_dialog(dialog_id, source);
send_closure(G()->td(), &Td::send_update,
td_api::make_object<td_api::updateAddChatMembersPrivacyForbidden>(
td_->dialog_manager_->get_chat_id_object(dialog_id, "updateAddChatMembersPrivacyForbidden"),
td_->contacts_manager_->get_user_ids_object(user_ids, source)));
}
void DialogParticipantManager::on_channel_participant_cache_timeout_callback(void *dialog_participant_manager_ptr,
int64 channel_id_long) {
if (G()->close_flag()) {
return;
}
auto dialog_participant_manager = static_cast<DialogParticipantManager *>(dialog_participant_manager_ptr);
send_closure_later(dialog_participant_manager->actor_id(dialog_participant_manager),
&DialogParticipantManager::on_channel_participant_cache_timeout, ChannelId(channel_id_long));
}
void DialogParticipantManager::on_channel_participant_cache_timeout(ChannelId channel_id) {
if (G()->close_flag()) {
return;
}
auto channel_participants_it = channel_participants_.find(channel_id);
if (channel_participants_it == channel_participants_.end()) {
return;
}
auto &participants = channel_participants_it->second.participants_;
auto min_access_date = G()->unix_time() - CHANNEL_PARTICIPANT_CACHE_TIME;
table_remove_if(participants,
[min_access_date](const auto &it) { return it.second.last_access_date_ < min_access_date; });
if (participants.empty()) {
channel_participants_.erase(channel_participants_it);
} else {
channel_participant_cache_timeout_.set_timeout_in(channel_id.get(), CHANNEL_PARTICIPANT_CACHE_TIME);
}
}
bool DialogParticipantManager::have_channel_participant_cache(ChannelId channel_id) const {
if (!td_->auth_manager_->is_bot()) {
return false;
}
return td_->contacts_manager_->get_channel_status(channel_id).is_administrator();
}
void DialogParticipantManager::add_channel_participant_to_cache(ChannelId channel_id,
const DialogParticipant &dialog_participant,
bool allow_replace) {
CHECK(channel_id.is_valid());
CHECK(dialog_participant.is_valid());
auto &participants = channel_participants_[channel_id];
if (participants.participants_.empty()) {
channel_participant_cache_timeout_.set_timeout_in(channel_id.get(), CHANNEL_PARTICIPANT_CACHE_TIME);
}
auto &participant_info = participants.participants_[dialog_participant.dialog_id_];
if (participant_info.last_access_date_ > 0 && !allow_replace) {
return;
}
participant_info.participant_ = dialog_participant;
participant_info.last_access_date_ = G()->unix_time();
}
void DialogParticipantManager::update_channel_participant_status_cache(
ChannelId channel_id, DialogId participant_dialog_id, DialogParticipantStatus &&dialog_participant_status) {
CHECK(channel_id.is_valid());
CHECK(participant_dialog_id.is_valid());
auto channel_participants_it = channel_participants_.find(channel_id);
if (channel_participants_it == channel_participants_.end()) {
return;
}
auto &participants = channel_participants_it->second;
auto it = participants.participants_.find(participant_dialog_id);
if (it == participants.participants_.end()) {
return;
}
auto &participant_info = it->second;
LOG(INFO) << "Update cached status of " << participant_dialog_id << " in " << channel_id << " from "
<< participant_info.participant_.status_ << " to " << dialog_participant_status;
participant_info.participant_.status_ = std::move(dialog_participant_status);
participant_info.last_access_date_ = G()->unix_time();
}
void DialogParticipantManager::drop_channel_participant_cache(ChannelId channel_id) {
channel_participants_.erase(channel_id);
}
const DialogParticipant *DialogParticipantManager::get_channel_participant_from_cache(ChannelId channel_id,
DialogId participant_dialog_id) {
auto channel_participants_it = channel_participants_.find(channel_id);
if (channel_participants_it == channel_participants_.end()) {
return nullptr;
}
auto &participants = channel_participants_it->second.participants_;
CHECK(!participants.empty());
auto it = participants.find(participant_dialog_id);
if (it != participants.end()) {
it->second.participant_.status_.update_restrictions();
it->second.last_access_date_ = G()->unix_time();
return &it->second.participant_;
}
return nullptr;
}
void DialogParticipantManager::set_cached_channel_participants(ChannelId channel_id,
vector<DialogParticipant> participants) {
cached_channel_participants_[channel_id] = std::move(participants);
}
void DialogParticipantManager::drop_cached_channel_participants(ChannelId channel_id) {
cached_channel_participants_.erase(channel_id);
}
void DialogParticipantManager::add_cached_channel_participants(ChannelId channel_id,
const vector<UserId> &added_user_ids,
UserId inviter_user_id, int32 date) {
auto it = cached_channel_participants_.find(channel_id);
if (it == cached_channel_participants_.end()) {
return;
}
auto &participants = it->second;
bool is_participants_cache_changed = false;
for (auto user_id : added_user_ids) {
if (!user_id.is_valid()) {
continue;
}
bool is_found = false;
for (const auto &participant : participants) {
if (participant.dialog_id_ == DialogId(user_id)) {
is_found = true;
break;
}
}
if (!is_found) {
is_participants_cache_changed = true;
participants.emplace_back(DialogId(user_id), inviter_user_id, date, DialogParticipantStatus::Member());
}
}
if (is_participants_cache_changed) {
update_channel_online_member_count(channel_id, false);
}
}
void DialogParticipantManager::delete_cached_channel_participant(ChannelId channel_id, UserId deleted_user_id) {
if (!deleted_user_id.is_valid()) {
return;
}
auto it = cached_channel_participants_.find(channel_id);
if (it == cached_channel_participants_.end()) {
return;
}
auto &participants = it->second;
for (size_t i = 0; i < participants.size(); i++) {
if (participants[i].dialog_id_ == DialogId(deleted_user_id)) {
participants.erase(participants.begin() + i);
update_channel_online_member_count(channel_id, false);
break;
}
}
}
void DialogParticipantManager::update_cached_channel_participant_status(ChannelId channel_id, UserId user_id,
const DialogParticipantStatus &status) {
auto it = cached_channel_participants_.find(channel_id);
if (it == cached_channel_participants_.end()) {
return;
}
auto &participants = it->second;
bool is_found = false;
for (size_t i = 0; i < participants.size(); i++) {
if (participants[i].dialog_id_ == DialogId(user_id)) {
if (!status.is_member()) {
participants.erase(participants.begin() + i);
update_channel_online_member_count(channel_id, false);
} else {
participants[i].status_ = status;
}
is_found = true;
break;
}
}
if (!is_found && status.is_member()) {
participants.emplace_back(DialogId(user_id), td_->contacts_manager_->get_my_id(), G()->unix_time(), status);
update_channel_online_member_count(channel_id, false);
}
}
void DialogParticipantManager::can_transfer_ownership(Promise<CanTransferOwnershipResult> &&promise) {
auto request_promise = PromiseCreator::lambda([promise = std::move(promise)](Result<Unit> r_result) mutable {
CHECK(r_result.is_error());
auto error = r_result.move_as_error();
CanTransferOwnershipResult result;
if (error.message() == "PASSWORD_HASH_INVALID") {
return promise.set_value(std::move(result));
}
if (error.message() == "PASSWORD_MISSING") {
result.type = CanTransferOwnershipResult::Type::PasswordNeeded;
return promise.set_value(std::move(result));
}
if (begins_with(error.message(), "PASSWORD_TOO_FRESH_")) {
result.type = CanTransferOwnershipResult::Type::PasswordTooFresh;
result.retry_after = to_integer<int32>(error.message().substr(Slice("PASSWORD_TOO_FRESH_").size()));
if (result.retry_after < 0) {
result.retry_after = 0;
}
return promise.set_value(std::move(result));
}
if (begins_with(error.message(), "SESSION_TOO_FRESH_")) {
result.type = CanTransferOwnershipResult::Type::SessionTooFresh;
result.retry_after = to_integer<int32>(error.message().substr(Slice("SESSION_TOO_FRESH_").size()));
if (result.retry_after < 0) {
result.retry_after = 0;
}
return promise.set_value(std::move(result));
}
promise.set_error(std::move(error));
});
td_->create_handler<CanEditChannelCreatorQuery>(std::move(request_promise))->send();
}
td_api::object_ptr<td_api::CanTransferOwnershipResult>
DialogParticipantManager::get_can_transfer_ownership_result_object(CanTransferOwnershipResult result) {
switch (result.type) {
case CanTransferOwnershipResult::Type::Ok:
return td_api::make_object<td_api::canTransferOwnershipResultOk>();
case CanTransferOwnershipResult::Type::PasswordNeeded:
return td_api::make_object<td_api::canTransferOwnershipResultPasswordNeeded>();
case CanTransferOwnershipResult::Type::PasswordTooFresh:
return td_api::make_object<td_api::canTransferOwnershipResultPasswordTooFresh>(result.retry_after);
case CanTransferOwnershipResult::Type::SessionTooFresh:
return td_api::make_object<td_api::canTransferOwnershipResultSessionTooFresh>(result.retry_after);
default:
UNREACHABLE();
return nullptr;
}
}
void DialogParticipantManager::transfer_dialog_ownership(DialogId dialog_id, UserId user_id, const string &password,
Promise<Unit> &&promise) {
if (!td_->dialog_manager_->have_dialog_force(dialog_id, "transfer_dialog_ownership")) {
return promise.set_error(Status::Error(400, "Chat not found"));
}
if (!td_->contacts_manager_->have_user_force(user_id, "transfer_dialog_ownership")) {
return promise.set_error(Status::Error(400, "User not found"));
}
if (td_->contacts_manager_->is_user_bot(user_id)) {
return promise.set_error(Status::Error(400, "User is a bot"));
}
if (td_->contacts_manager_->is_user_deleted(user_id)) {
return promise.set_error(Status::Error(400, "User is deleted"));
}
if (password.empty()) {
return promise.set_error(Status::Error(400, "PASSWORD_HASH_INVALID"));
}
switch (dialog_id.get_type()) {
case DialogType::User:
case DialogType::Chat:
case DialogType::SecretChat:
return promise.set_error(Status::Error(400, "Can't transfer chat ownership"));
case DialogType::Channel:
send_closure(
td_->password_manager_, &PasswordManager::get_input_check_password_srp, password,
PromiseCreator::lambda([actor_id = actor_id(this), channel_id = dialog_id.get_channel_id(), user_id,
promise = std::move(promise)](
Result<tl_object_ptr<telegram_api::InputCheckPasswordSRP>> result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
send_closure(actor_id, &DialogParticipantManager::transfer_channel_ownership, channel_id, user_id,
result.move_as_ok(), std::move(promise));
}));
break;
case DialogType::None:
default:
UNREACHABLE();
}
}
void DialogParticipantManager::transfer_channel_ownership(
ChannelId channel_id, UserId user_id,
telegram_api::object_ptr<telegram_api::InputCheckPasswordSRP> input_check_password, Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
td_->create_handler<EditChannelCreatorQuery>(std::move(promise))
->send(channel_id, user_id, std::move(input_check_password));
}
void DialogParticipantManager::get_current_state(vector<td_api::object_ptr<td_api::Update>> &updates) const {
for (const auto &it : dialog_online_member_counts_) {
auto dialog_id = it.first;
if (it.second.is_update_sent && td_->messages_manager_->is_dialog_opened(dialog_id)) {
updates.push_back(td_api::make_object<td_api::updateChatOnlineMemberCount>(
td_->dialog_manager_->get_chat_id_object(dialog_id, "updateChatOnlineMemberCount"),
it.second.online_member_count));
}
}
}
} // namespace td
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