tdlight/td/telegram/PrivacyManager.cpp
2021-12-16 22:46:03 +03:00

566 lines
23 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
//
// 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/ChannelId.h"
#include "td/telegram/ChatId.h"
#include "td/telegram/ContactsManager.h"
#include "td/telegram/DialogId.h"
#include "td/telegram/Global.h"
#include "td/telegram/MessagesManager.h"
#include "td/telegram/net/NetQueryCreator.h"
#include "td/telegram/net/NetQueryDispatcher.h"
#include "td/telegram/Td.h"
#include "td/utils/algorithm.h"
#include "td/utils/logging.h"
#include <algorithm>
#include <iterator>
namespace td {
Result<PrivacyManager::UserPrivacySetting> PrivacyManager::UserPrivacySetting::get_user_privacy_setting(
tl_object_ptr<td_api::UserPrivacySetting> key) {
if (key == nullptr) {
return Status::Error(400, "UserPrivacySetting must be non-empty");
}
return UserPrivacySetting(*key);
}
PrivacyManager::UserPrivacySetting::UserPrivacySetting(const telegram_api::PrivacyKey &key) {
switch (key.get_id()) {
case telegram_api::privacyKeyStatusTimestamp::ID:
type_ = Type::UserStatus;
break;
case telegram_api::privacyKeyChatInvite::ID:
type_ = Type::ChatInvite;
break;
case telegram_api::privacyKeyPhoneCall::ID:
type_ = Type::Call;
break;
case telegram_api::privacyKeyPhoneP2P::ID:
type_ = Type::PeerToPeerCall;
break;
case telegram_api::privacyKeyForwards::ID:
type_ = Type::LinkInForwardedMessages;
break;
case telegram_api::privacyKeyProfilePhoto::ID:
type_ = Type::UserProfilePhoto;
break;
case telegram_api::privacyKeyPhoneNumber::ID:
type_ = Type::UserPhoneNumber;
break;
case telegram_api::privacyKeyAddedByPhone::ID:
type_ = Type::FindByPhoneNumber;
break;
default:
UNREACHABLE();
type_ = Type::UserStatus;
}
}
tl_object_ptr<td_api::UserPrivacySetting> PrivacyManager::UserPrivacySetting::get_user_privacy_setting_object() const {
switch (type_) {
case Type::UserStatus:
return make_tl_object<td_api::userPrivacySettingShowStatus>();
case Type::ChatInvite:
return make_tl_object<td_api::userPrivacySettingAllowChatInvites>();
case Type::Call:
return make_tl_object<td_api::userPrivacySettingAllowCalls>();
case Type::PeerToPeerCall:
return make_tl_object<td_api::userPrivacySettingAllowPeerToPeerCalls>();
case Type::LinkInForwardedMessages:
return make_tl_object<td_api::userPrivacySettingShowLinkInForwardedMessages>();
case Type::UserProfilePhoto:
return make_tl_object<td_api::userPrivacySettingShowProfilePhoto>();
case Type::UserPhoneNumber:
return make_tl_object<td_api::userPrivacySettingShowPhoneNumber>();
case Type::FindByPhoneNumber:
return make_tl_object<td_api::userPrivacySettingAllowFindingByPhoneNumber>();
default:
UNREACHABLE();
return nullptr;
}
}
tl_object_ptr<telegram_api::InputPrivacyKey> PrivacyManager::UserPrivacySetting::get_input_privacy_key() const {
switch (type_) {
case Type::UserStatus:
return make_tl_object<telegram_api::inputPrivacyKeyStatusTimestamp>();
case Type::ChatInvite:
return make_tl_object<telegram_api::inputPrivacyKeyChatInvite>();
case Type::Call:
return make_tl_object<telegram_api::inputPrivacyKeyPhoneCall>();
case Type::PeerToPeerCall:
return make_tl_object<telegram_api::inputPrivacyKeyPhoneP2P>();
case Type::LinkInForwardedMessages:
return make_tl_object<telegram_api::inputPrivacyKeyForwards>();
case Type::UserProfilePhoto:
return make_tl_object<telegram_api::inputPrivacyKeyProfilePhoto>();
case Type::UserPhoneNumber:
return make_tl_object<telegram_api::inputPrivacyKeyPhoneNumber>();
case Type::FindByPhoneNumber:
return make_tl_object<telegram_api::inputPrivacyKeyAddedByPhone>();
default:
UNREACHABLE();
return nullptr;
}
}
PrivacyManager::UserPrivacySetting::UserPrivacySetting(const td_api::UserPrivacySetting &key) {
switch (key.get_id()) {
case td_api::userPrivacySettingShowStatus::ID:
type_ = Type::UserStatus;
break;
case td_api::userPrivacySettingAllowChatInvites::ID:
type_ = Type::ChatInvite;
break;
case td_api::userPrivacySettingAllowCalls::ID:
type_ = Type::Call;
break;
case td_api::userPrivacySettingAllowPeerToPeerCalls::ID:
type_ = Type::PeerToPeerCall;
break;
case td_api::userPrivacySettingShowLinkInForwardedMessages::ID:
type_ = Type::LinkInForwardedMessages;
break;
case td_api::userPrivacySettingShowProfilePhoto::ID:
type_ = Type::UserProfilePhoto;
break;
case td_api::userPrivacySettingShowPhoneNumber::ID:
type_ = Type::UserPhoneNumber;
break;
case td_api::userPrivacySettingAllowFindingByPhoneNumber::ID:
type_ = Type::FindByPhoneNumber;
break;
default:
UNREACHABLE();
type_ = Type::UserStatus;
}
}
void PrivacyManager::UserPrivacySettingRule::set_chat_ids(const vector<int64> &dialog_ids) {
chat_ids_.clear();
auto td = G()->td().get_actor_unsafe();
for (auto dialog_id_int : dialog_ids) {
DialogId dialog_id(dialog_id_int);
if (!td->messages_manager_->have_dialog_force(dialog_id, "UserPrivacySettingRule::set_chat_ids")) {
LOG(ERROR) << "Ignore not found " << dialog_id;
continue;
}
switch (dialog_id.get_type()) {
case DialogType::Chat:
chat_ids_.push_back(dialog_id.get_chat_id().get());
break;
case DialogType::Channel: {
auto channel_id = dialog_id.get_channel_id();
if (td->contacts_manager_->get_channel_type(channel_id) != ContactsManager::ChannelType::Megagroup) {
LOG(ERROR) << "Ignore broadcast " << channel_id;
break;
}
chat_ids_.push_back(channel_id.get());
break;
}
default:
LOG(ERROR) << "Ignore " << dialog_id;
}
}
}
PrivacyManager::UserPrivacySettingRule::UserPrivacySettingRule(const td_api::UserPrivacySettingRule &rule) {
switch (rule.get_id()) {
case td_api::userPrivacySettingRuleAllowContacts::ID:
type_ = Type::AllowContacts;
break;
case td_api::userPrivacySettingRuleAllowAll::ID:
type_ = Type::AllowAll;
break;
case td_api::userPrivacySettingRuleAllowUsers::ID:
type_ = Type::AllowUsers;
user_ids_ = UserId::get_user_ids(static_cast<const td_api::userPrivacySettingRuleAllowUsers &>(rule).user_ids_);
break;
case td_api::userPrivacySettingRuleAllowChatMembers::ID:
type_ = Type::AllowChatParticipants;
set_chat_ids(static_cast<const td_api::userPrivacySettingRuleAllowChatMembers &>(rule).chat_ids_);
break;
case td_api::userPrivacySettingRuleRestrictContacts::ID:
type_ = Type::RestrictContacts;
break;
case td_api::userPrivacySettingRuleRestrictAll::ID:
type_ = Type::RestrictAll;
break;
case td_api::userPrivacySettingRuleRestrictUsers::ID:
type_ = Type::RestrictUsers;
user_ids_ =
UserId::get_user_ids(static_cast<const td_api::userPrivacySettingRuleRestrictUsers &>(rule).user_ids_);
break;
case td_api::userPrivacySettingRuleRestrictChatMembers::ID:
type_ = Type::RestrictChatParticipants;
set_chat_ids(static_cast<const td_api::userPrivacySettingRuleRestrictChatMembers &>(rule).chat_ids_);
break;
default:
UNREACHABLE();
}
}
PrivacyManager::UserPrivacySettingRule::UserPrivacySettingRule(const telegram_api::PrivacyRule &rule) {
switch (rule.get_id()) {
case telegram_api::privacyValueAllowContacts::ID:
type_ = Type::AllowContacts;
break;
case telegram_api::privacyValueAllowAll::ID:
type_ = Type::AllowAll;
break;
case telegram_api::privacyValueAllowUsers::ID:
type_ = Type::AllowUsers;
user_ids_ = UserId::get_user_ids(static_cast<const telegram_api::privacyValueAllowUsers &>(rule).users_);
break;
case telegram_api::privacyValueAllowChatParticipants::ID:
type_ = Type::AllowChatParticipants;
chat_ids_ = static_cast<const telegram_api::privacyValueAllowChatParticipants &>(rule).chats_;
break;
case telegram_api::privacyValueDisallowContacts::ID:
type_ = Type::RestrictContacts;
break;
case telegram_api::privacyValueDisallowAll::ID:
type_ = Type::RestrictAll;
break;
case telegram_api::privacyValueDisallowUsers::ID:
type_ = Type::RestrictUsers;
user_ids_ = UserId::get_user_ids(static_cast<const telegram_api::privacyValueDisallowUsers &>(rule).users_);
break;
case telegram_api::privacyValueDisallowChatParticipants::ID:
type_ = Type::RestrictChatParticipants;
chat_ids_ = static_cast<const telegram_api::privacyValueDisallowChatParticipants &>(rule).chats_;
break;
default:
UNREACHABLE();
}
}
tl_object_ptr<td_api::UserPrivacySettingRule>
PrivacyManager::UserPrivacySettingRule::get_user_privacy_setting_rule_object() const {
switch (type_) {
case Type::AllowContacts:
return make_tl_object<td_api::userPrivacySettingRuleAllowContacts>();
case Type::AllowAll:
return make_tl_object<td_api::userPrivacySettingRuleAllowAll>();
case Type::AllowUsers:
return make_tl_object<td_api::userPrivacySettingRuleAllowUsers>(UserId::get_input_user_ids(user_ids_));
case Type::AllowChatParticipants:
return make_tl_object<td_api::userPrivacySettingRuleAllowChatMembers>(chat_ids_as_dialog_ids());
case Type::RestrictContacts:
return make_tl_object<td_api::userPrivacySettingRuleRestrictContacts>();
case Type::RestrictAll:
return make_tl_object<td_api::userPrivacySettingRuleRestrictAll>();
case Type::RestrictUsers:
return make_tl_object<td_api::userPrivacySettingRuleRestrictUsers>(UserId::get_input_user_ids(user_ids_));
case Type::RestrictChatParticipants:
return make_tl_object<td_api::userPrivacySettingRuleRestrictChatMembers>(chat_ids_as_dialog_ids());
default:
UNREACHABLE();
}
}
tl_object_ptr<telegram_api::InputPrivacyRule> PrivacyManager::UserPrivacySettingRule::get_input_privacy_rule() const {
switch (type_) {
case Type::AllowContacts:
return make_tl_object<telegram_api::inputPrivacyValueAllowContacts>();
case Type::AllowAll:
return make_tl_object<telegram_api::inputPrivacyValueAllowAll>();
case Type::AllowUsers:
return make_tl_object<telegram_api::inputPrivacyValueAllowUsers>(get_input_users());
case Type::AllowChatParticipants:
return make_tl_object<telegram_api::inputPrivacyValueAllowChatParticipants>(vector<int64>{chat_ids_});
case Type::RestrictContacts:
return make_tl_object<telegram_api::inputPrivacyValueDisallowContacts>();
case Type::RestrictAll:
return make_tl_object<telegram_api::inputPrivacyValueDisallowAll>();
case Type::RestrictUsers:
return make_tl_object<telegram_api::inputPrivacyValueDisallowUsers>(get_input_users());
case Type::RestrictChatParticipants:
return make_tl_object<telegram_api::inputPrivacyValueDisallowChatParticipants>(vector<int64>{chat_ids_});
default:
UNREACHABLE();
}
}
Result<PrivacyManager::UserPrivacySettingRule> PrivacyManager::UserPrivacySettingRule::get_user_privacy_setting_rule(
tl_object_ptr<telegram_api::PrivacyRule> rule) {
CHECK(rule != nullptr);
UserPrivacySettingRule result(*rule);
auto td = G()->td().get_actor_unsafe();
for (auto user_id : result.user_ids_) {
if (!td->contacts_manager_->have_user(user_id)) {
return Status::Error(500, "Got inaccessible user from the server");
}
}
for (auto chat_id_int : result.chat_ids_) {
ChatId chat_id(chat_id_int);
DialogId dialog_id(chat_id);
if (!td->contacts_manager_->have_chat(chat_id)) {
ChannelId channel_id(chat_id_int);
dialog_id = DialogId(channel_id);
if (!td->contacts_manager_->have_channel(channel_id)) {
return Status::Error(500, "Got inaccessible chat from the server");
}
}
td->messages_manager_->force_create_dialog(dialog_id, "UserPrivacySettingRule");
}
return result;
}
vector<tl_object_ptr<telegram_api::InputUser>> PrivacyManager::UserPrivacySettingRule::get_input_users() const {
vector<tl_object_ptr<telegram_api::InputUser>> result;
for (auto user_id : user_ids_) {
auto r_input_user = G()->td().get_actor_unsafe()->contacts_manager_->get_input_user(user_id);
if (r_input_user.is_ok()) {
result.push_back(r_input_user.move_as_ok());
} else {
LOG(ERROR) << "Have no access to " << user_id;
}
}
return result;
}
vector<int64> PrivacyManager::UserPrivacySettingRule::chat_ids_as_dialog_ids() const {
vector<int64> result;
auto td = G()->td().get_actor_unsafe();
for (auto chat_id_int : chat_ids_) {
ChatId chat_id(chat_id_int);
DialogId dialog_id(chat_id);
if (!td->contacts_manager_->have_chat(chat_id)) {
ChannelId channel_id(chat_id_int);
dialog_id = DialogId(channel_id);
CHECK(td->contacts_manager_->have_channel(channel_id));
}
CHECK(td->messages_manager_->have_dialog(dialog_id));
result.push_back(dialog_id.get());
}
return result;
}
vector<UserId> PrivacyManager::UserPrivacySettingRule::get_restricted_user_ids() const {
if (type_ == Type::RestrictUsers) {
return user_ids_;
}
return {};
}
Result<PrivacyManager::UserPrivacySettingRules> PrivacyManager::UserPrivacySettingRules::get_user_privacy_setting_rules(
tl_object_ptr<telegram_api::account_privacyRules> rules) {
G()->td().get_actor_unsafe()->contacts_manager_->on_get_users(std::move(rules->users_), "on get privacy rules");
G()->td().get_actor_unsafe()->contacts_manager_->on_get_chats(std::move(rules->chats_), "on get privacy rules");
return get_user_privacy_setting_rules(std::move(rules->rules_));
}
Result<PrivacyManager::UserPrivacySettingRules> PrivacyManager::UserPrivacySettingRules::get_user_privacy_setting_rules(
vector<tl_object_ptr<telegram_api::PrivacyRule>> rules) {
UserPrivacySettingRules result;
for (auto &rule : rules) {
TRY_RESULT(new_rule, UserPrivacySettingRule::get_user_privacy_setting_rule(std::move(rule)));
result.rules_.push_back(new_rule);
}
if (!result.rules_.empty() && result.rules_.back().get_user_privacy_setting_rule_object()->get_id() ==
td_api::userPrivacySettingRuleRestrictAll::ID) {
result.rules_.pop_back();
}
return result;
}
Result<PrivacyManager::UserPrivacySettingRules> PrivacyManager::UserPrivacySettingRules::get_user_privacy_setting_rules(
tl_object_ptr<td_api::userPrivacySettingRules> rules) {
if (rules == nullptr) {
return Status::Error(400, "UserPrivacySettingRules must be non-empty");
}
UserPrivacySettingRules result;
for (auto &rule : rules->rules_) {
if (rule == nullptr) {
return Status::Error(400, "UserPrivacySettingRule must be non-empty");
}
result.rules_.emplace_back(*rule);
}
return result;
}
tl_object_ptr<td_api::userPrivacySettingRules>
PrivacyManager::UserPrivacySettingRules::get_user_privacy_setting_rules_object() const {
return make_tl_object<td_api::userPrivacySettingRules>(
transform(rules_, [](const auto &rule) { return rule.get_user_privacy_setting_rule_object(); }));
}
vector<tl_object_ptr<telegram_api::InputPrivacyRule>> PrivacyManager::UserPrivacySettingRules::get_input_privacy_rules()
const {
auto result = transform(rules_, [](const auto &rule) { return rule.get_input_privacy_rule(); });
if (!result.empty() && result.back()->get_id() == telegram_api::inputPrivacyValueDisallowAll::ID) {
result.pop_back();
}
return result;
}
vector<UserId> PrivacyManager::UserPrivacySettingRules::get_restricted_user_ids() const {
vector<UserId> result;
for (auto &rule : rules_) {
combine(result, rule.get_restricted_user_ids());
}
std::sort(result.begin(), result.end(), [](UserId lhs, UserId rhs) { return lhs.get() < rhs.get(); });
result.erase(std::unique(result.begin(), result.end()), result.end());
return result;
}
void PrivacyManager::get_privacy(tl_object_ptr<td_api::UserPrivacySetting> key,
Promise<tl_object_ptr<td_api::userPrivacySettingRules>> promise) {
auto r_user_privacy_setting = UserPrivacySetting::get_user_privacy_setting(std::move(key));
if (r_user_privacy_setting.is_error()) {
return promise.set_error(r_user_privacy_setting.move_as_error());
}
auto user_privacy_setting = r_user_privacy_setting.move_as_ok();
auto &info = get_info(user_privacy_setting);
if (info.is_synchronized) {
return promise.set_value(info.rules.get_user_privacy_setting_rules_object());
}
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 net_query =
G()->net_query_creator().create(telegram_api::account_getPrivacy(user_privacy_setting.get_input_privacy_key()));
send_with_promise(std::move(net_query),
PromiseCreator::lambda([this, user_privacy_setting](Result<NetQueryPtr> x_net_query) {
on_get_result(user_privacy_setting, [&]() -> Result<UserPrivacySettingRules> {
TRY_RESULT(net_query, std::move(x_net_query));
TRY_RESULT(rules, fetch_result<telegram_api::account_getPrivacy>(std::move(net_query)));
LOG(INFO) << "Receive " << to_string(rules);
return UserPrivacySettingRules::get_user_privacy_setting_rules(std::move(rules));
}());
}));
}
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(std::move(rules)));
auto &info = get_info(user_privacy_setting);
if (info.has_set_query) {
// TODO cancel previous query
return promise.set_error(Status::Error(400, "Another set_privacy query is active"));
}
auto net_query = G()->net_query_creator().create(telegram_api::account_setPrivacy(
user_privacy_setting.get_input_privacy_key(), privacy_rules.get_input_privacy_rules()));
info.has_set_query = true;
send_with_promise(
std::move(net_query), PromiseCreator::lambda([this, user_privacy_setting, promise = std::move(promise)](
Result<NetQueryPtr> x_net_query) mutable {
promise.set_result([&]() -> Result<Unit> {
get_info(user_privacy_setting).has_set_query = false;
TRY_RESULT(net_query, std::move(x_net_query));
TRY_RESULT(rules, fetch_result<telegram_api::account_setPrivacy>(std::move(net_query)));
LOG(INFO) << "Receive " << to_string(rules);
TRY_RESULT(privacy_rules, UserPrivacySettingRules::get_user_privacy_setting_rules(std::move(rules)));
do_update_privacy(user_privacy_setting, std::move(privacy_rules), true);
return Unit();
}());
}));
}
void PrivacyManager::update_privacy(tl_object_ptr<telegram_api::updatePrivacy> update) {
CHECK(update != nullptr);
CHECK(update->key_ != nullptr);
UserPrivacySetting user_privacy_setting(*update->key_);
auto r_privacy_rules = UserPrivacySettingRules::get_user_privacy_setting_rules(std::move(update->rules_));
if (r_privacy_rules.is_error()) {
LOG(INFO) << "Skip updatePrivacy: " << r_privacy_rules.error().message();
auto &info = get_info(user_privacy_setting);
info.is_synchronized = false;
} else {
do_update_privacy(user_privacy_setting, r_privacy_rules.move_as_ok(), true);
}
}
void PrivacyManager::on_get_result(UserPrivacySetting user_privacy_setting,
Result<UserPrivacySettingRules> 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 (privacy_rules.is_error()) {
promise.set_error(privacy_rules.error().clone());
} else {
promise.set_value(privacy_rules.ok().get_user_privacy_setting_rules_object());
}
}
if (privacy_rules.is_ok()) {
do_update_privacy(user_privacy_setting, privacy_rules.move_as_ok(), false);
}
}
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 ((from_update || was_synchronized) && !G()->close_flag()) {
switch (user_privacy_setting.type()) {
case UserPrivacySetting::Type::UserStatus: {
send_closure_later(G()->contacts_manager(), &ContactsManager::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()->contacts_manager(), &ContactsManager::reload_user, user_id, Promise<Unit>());
}
}
break;
}
case UserPrivacySetting::Type::UserPhoneNumber:
send_closure_later(G()->contacts_manager(), &ContactsManager::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()));
}
}
void PrivacyManager::on_result(NetQueryPtr query) {
auto token = get_link_token();
container_.extract(token).set_value(std::move(query));
}
void PrivacyManager::send_with_promise(NetQueryPtr query, Promise<NetQueryPtr> promise) {
auto id = container_.create(std::move(promise));
G()->net_query_dispatcher().dispatch_with_callback(std::move(query), actor_shared(this, id));
}
void PrivacyManager::hangup() {
container_.for_each(
[](auto id, Promise<NetQueryPtr> &promise) { promise.set_error(Global::request_aborted_error()); });
stop();
}
} // namespace td