127 lines
3.8 KiB
C++
127 lines
3.8 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/net/AuthDataShared.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/TdDb.h"
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#include "td/utils/algorithm.h"
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#include "td/utils/format.h"
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#include "td/utils/logging.h"
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#include "td/utils/port/RwMutex.h"
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#include "td/utils/SliceBuilder.h"
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#include "td/utils/tl_helpers.h"
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namespace td {
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class AuthDataSharedImpl final : public AuthDataShared {
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public:
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AuthDataSharedImpl(DcId dc_id, std::shared_ptr<PublicRsaKeyShared> public_rsa_key, std::shared_ptr<Guard> guard)
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: dc_id_(dc_id), public_rsa_key_(std::move(public_rsa_key)), guard_(std::move(guard)) {
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log_auth_key(get_auth_key());
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}
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DcId dc_id() const final {
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return dc_id_;
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}
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const std::shared_ptr<PublicRsaKeyShared> &public_rsa_key() final {
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return public_rsa_key_;
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}
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mtproto::AuthKey get_auth_key() final {
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string dc_key = G()->td_db()->get_binlog_pmc()->get(auth_key_key());
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mtproto::AuthKey res;
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if (!dc_key.empty()) {
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unserialize(res, dc_key).ensure();
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}
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return res;
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}
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AuthKeyState get_auth_key_state() final {
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return AuthDataShared::get_auth_key_state(get_auth_key());
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}
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void set_auth_key(const mtproto::AuthKey &auth_key) final {
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G()->td_db()->get_binlog_pmc()->set(auth_key_key(), serialize(auth_key));
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log_auth_key(auth_key);
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notify();
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}
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// TODO: extract it from G()
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void update_server_time_difference(double diff) final {
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G()->update_server_time_difference(diff);
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}
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double get_server_time_difference() final {
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return G()->get_server_time_difference();
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}
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void add_auth_key_listener(unique_ptr<Listener> listener) final {
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CHECK(listener != nullptr);
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if (listener->notify()) {
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auto lock = rw_mutex_.lock_write();
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auth_key_listeners_.push_back(std::move(listener));
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}
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}
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void set_future_salts(const std::vector<mtproto::ServerSalt> &future_salts) final {
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G()->td_db()->get_binlog_pmc()->set(future_salts_key(), serialize(future_salts));
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}
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std::vector<mtproto::ServerSalt> get_future_salts() final {
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string future_salts = G()->td_db()->get_binlog_pmc()->get(future_salts_key());
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std::vector<mtproto::ServerSalt> res;
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if (!future_salts.empty()) {
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unserialize(res, future_salts).ensure();
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}
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return res;
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}
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private:
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DcId dc_id_;
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std::vector<unique_ptr<Listener>> auth_key_listeners_;
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std::shared_ptr<PublicRsaKeyShared> public_rsa_key_;
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std::shared_ptr<Guard> guard_;
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RwMutex rw_mutex_;
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string auth_key_key() const {
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return PSTRING() << "auth" << dc_id_.get_raw_id();
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}
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string future_salts_key() const {
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return PSTRING() << "salt" << dc_id_.get_raw_id();
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}
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void notify() {
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auto lock = rw_mutex_.lock_write();
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td::remove_if(auth_key_listeners_, [&](auto &listener) {
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CHECK(listener != nullptr);
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return !listener->notify();
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});
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}
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void log_auth_key(const mtproto::AuthKey &auth_key) {
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auto salts = get_future_salts();
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int64 last_used = 0;
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if (!salts.empty()) {
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last_used = static_cast<int64>(salts[0].valid_until);
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}
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LOG(WARNING) << dc_id_ << " " << tag("auth_key_id", auth_key.id())
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<< tag("state", AuthDataShared::get_auth_key_state(auth_key))
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<< tag("created_at", static_cast<int64>(auth_key.created_at())) << tag("last_used", last_used);
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}
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};
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std::shared_ptr<AuthDataShared> AuthDataShared::create(DcId dc_id, std::shared_ptr<PublicRsaKeyShared> public_rsa_key,
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std::shared_ptr<Guard> guard) {
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return std::make_shared<AuthDataSharedImpl>(dc_id, std::move(public_rsa_key), std::move(guard));
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}
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} // namespace td
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