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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
//
// 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/PrivacyManager.h"
#include "td/telegram/Global.h"
#include "td/telegram/net/NetQueryCreator.h"
#include "td/telegram/net/NetQueryDispatcher.h"
#include "td/telegram/Td.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/UserId.h"
#include "td/telegram/UserManager.h"
#include "td/utils/algorithm.h"
#include "td/utils/buffer.h"
#include "td/utils/logging.h"
#include <algorithm>
#include <iterator>
namespace td {
class GetPrivacyQuery final : public Td::ResultHandler {
Promise<UserPrivacySettingRules> promise_;
public:
explicit GetPrivacyQuery(Promise<UserPrivacySettingRules> &&promise) : promise_(std::move(promise)) {
}
void send(UserPrivacySetting user_privacy_setting) {
send_query(G()->net_query_creator().create(
telegram_api::account_getPrivacy(user_privacy_setting.get_input_privacy_key())));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::account_getPrivacy>(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 GetPrivacyQuery: " << to_string(ptr);
promise_.set_value(UserPrivacySettingRules::get_user_privacy_setting_rules(td_, std::move(ptr)));
}
void on_error(Status status) final {
promise_.set_error(std::move(status));
}
};
class SetPrivacyQuery final : public Td::ResultHandler {
Promise<UserPrivacySettingRules> promise_;
public:
explicit SetPrivacyQuery(Promise<UserPrivacySettingRules> &&promise) : promise_(std::move(promise)) {
}
void send(UserPrivacySetting user_privacy_setting, UserPrivacySettingRules &&privacy_rules) {
send_query(G()->net_query_creator().create(telegram_api::account_setPrivacy(
user_privacy_setting.get_input_privacy_key(), privacy_rules.get_input_privacy_rules(td_))));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::account_setPrivacy>(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 SetPrivacyQuery: " << to_string(ptr);
promise_.set_value(UserPrivacySettingRules::get_user_privacy_setting_rules(td_, std::move(ptr)));
}
void on_error(Status status) final {
promise_.set_error(std::move(status));
}
};
PrivacyManager::PrivacyManager(Td *td, ActorShared<> parent) : td_(td), parent_(std::move(parent)) {
}
void PrivacyManager::tear_down() {
parent_.reset();
}
void PrivacyManager::get_privacy(tl_object_ptr<td_api::UserPrivacySetting> key,
Promise<tl_object_ptr<td_api::userPrivacySettingRules>> promise) {
TRY_RESULT_PROMISE(promise, user_privacy_setting, UserPrivacySetting::get_user_privacy_setting(std::move(key)));
auto &info = get_info(user_privacy_setting);
if (info.is_synchronized_) {
return promise.set_value(info.rules_.get_user_privacy_setting_rules_object(td_));
}
info.get_promises_.push_back(std::move(promise));
if (info.get_promises_.size() > 1u) {
// query has already been sent, just wait for the result
return;
}
auto query_promise = PromiseCreator::lambda(
[actor_id = actor_id(this), user_privacy_setting](Result<UserPrivacySettingRules> r_privacy_rules) {
send_closure(actor_id, &PrivacyManager::on_get_user_privacy_settings, user_privacy_setting,
std::move(r_privacy_rules));
});
td_->create_handler<GetPrivacyQuery>(std::move(query_promise))->send(user_privacy_setting);
}
void PrivacyManager::set_privacy(tl_object_ptr<td_api::UserPrivacySetting> key,
tl_object_ptr<td_api::userPrivacySettingRules> rules, Promise<Unit> promise) {
TRY_RESULT_PROMISE(promise, user_privacy_setting, UserPrivacySetting::get_user_privacy_setting(std::move(key)));
TRY_RESULT_PROMISE(promise, privacy_rules,
UserPrivacySettingRules::get_user_privacy_setting_rules(td_, std::move(rules)));
auto &info = get_info(user_privacy_setting);
if (info.has_set_query_) {
info.pending_rules_ = std::move(privacy_rules);
info.set_promises_.push_back(std::move(promise));
return;
}
info.has_set_query_ = true;
set_privacy_impl(user_privacy_setting, std::move(privacy_rules), std::move(promise));
}
void PrivacyManager::set_privacy_impl(UserPrivacySetting user_privacy_setting, UserPrivacySettingRules &&privacy_rules,
Promise<Unit> &&promise) {
auto query_promise =
PromiseCreator::lambda([actor_id = actor_id(this), user_privacy_setting,
promise = std::move(promise)](Result<UserPrivacySettingRules> r_privacy_rules) mutable {
send_closure(actor_id, &PrivacyManager::on_set_user_privacy_settings, user_privacy_setting,
std::move(r_privacy_rules), std::move(promise));
});
td_->create_handler<SetPrivacyQuery>(std::move(query_promise))->send(user_privacy_setting, std::move(privacy_rules));
}
void PrivacyManager::on_update_privacy(tl_object_ptr<telegram_api::updatePrivacy> update) {
CHECK(update != nullptr);
CHECK(update->key_ != nullptr);
UserPrivacySetting user_privacy_setting(*update->key_);
auto privacy_rules = UserPrivacySettingRules::get_user_privacy_setting_rules(td_, std::move(update->rules_));
do_update_privacy(user_privacy_setting, std::move(privacy_rules), true);
}
void PrivacyManager::on_get_user_privacy_settings(UserPrivacySetting user_privacy_setting,
Result<UserPrivacySettingRules> r_privacy_rules) {
G()->ignore_result_if_closing(r_privacy_rules);
auto &info = get_info(user_privacy_setting);
auto promises = std::move(info.get_promises_);
reset_to_empty(info.get_promises_);
for (auto &promise : promises) {
if (r_privacy_rules.is_error()) {
promise.set_error(r_privacy_rules.error().clone());
} else {
promise.set_value(r_privacy_rules.ok().get_user_privacy_setting_rules_object(td_));
}
}
if (r_privacy_rules.is_ok()) {
do_update_privacy(user_privacy_setting, r_privacy_rules.move_as_ok(), false);
}
}
void PrivacyManager::on_set_user_privacy_settings(UserPrivacySetting user_privacy_setting,
Result<UserPrivacySettingRules> r_privacy_rules,
Promise<Unit> &&promise) {
if (G()->close_flag()) {
auto &info = get_info(user_privacy_setting);
CHECK(info.has_set_query_);
info.has_set_query_ = false;
auto promises = std::move(info.set_promises_);
fail_promises(promises, Global::request_aborted_error());
promise.set_error(Global::request_aborted_error());
return;
}
auto &info = get_info(user_privacy_setting);
CHECK(info.has_set_query_);
info.has_set_query_ = false;
if (r_privacy_rules.is_error()) {
promise.set_error(r_privacy_rules.move_as_error());
} else {
do_update_privacy(user_privacy_setting, r_privacy_rules.move_as_ok(), true);
promise.set_value(Unit());
}
if (!info.set_promises_.empty()) {
info.has_set_query_ = true;
auto join_promise =
PromiseCreator::lambda([promises = std::move(info.set_promises_)](Result<Unit> &&result) mutable {
if (result.is_ok()) {
set_promises(promises);
} else {
fail_promises(promises, result.move_as_error());
}
});
reset_to_empty(info.set_promises_);
set_privacy_impl(user_privacy_setting, std::move(info.pending_rules_), std::move(join_promise));
}
}
void PrivacyManager::do_update_privacy(UserPrivacySetting user_privacy_setting, UserPrivacySettingRules &&privacy_rules,
bool from_update) {
auto &info = get_info(user_privacy_setting);
bool was_synchronized = info.is_synchronized_;
info.is_synchronized_ = true;
if (!(info.rules_ == privacy_rules)) {
if (!G()->close_flag() && (from_update || was_synchronized)) {
switch (user_privacy_setting.type()) {
case UserPrivacySetting::Type::UserStatus: {
send_closure_later(G()->user_manager(), &UserManager::on_update_online_status_privacy);
auto old_restricted = info.rules_.get_restricted_user_ids();
auto new_restricted = privacy_rules.get_restricted_user_ids();
if (old_restricted != new_restricted) {
// if a user was unrestricted, it is not received from the server anymore
// we need to reget their online status manually
std::vector<UserId> unrestricted;
std::set_difference(old_restricted.begin(), old_restricted.end(), new_restricted.begin(),
new_restricted.end(), std::back_inserter(unrestricted),
[](UserId lhs, UserId rhs) { return lhs.get() < rhs.get(); });
for (auto &user_id : unrestricted) {
send_closure_later(G()->user_manager(), &UserManager::reload_user, user_id, Promise<Unit>(),
"do_update_privacy");
}
}
break;
}
case UserPrivacySetting::Type::UserPhoneNumber:
send_closure_later(G()->user_manager(), &UserManager::on_update_phone_number_privacy);
break;
default:
break;
}
}
info.rules_ = std::move(privacy_rules);
send_closure(
G()->td(), &Td::send_update,
make_tl_object<td_api::updateUserPrivacySettingRules>(user_privacy_setting.get_user_privacy_setting_object(),
info.rules_.get_user_privacy_setting_rules_object(td_)));
}
}
} // namespace td
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