120 lines
3.7 KiB
C++
120 lines
3.7 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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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/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/tl_helpers.h"
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#include <algorithm>
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namespace td {
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class AuthDataSharedImpl : 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 override {
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return dc_id_;
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}
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const std::shared_ptr<PublicRsaKeyShared> &public_rsa_key() override {
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return public_rsa_key_;
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}
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mtproto::AuthKey get_auth_key() override {
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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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using AuthDataShared::get_auth_state;
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std::pair<AuthState, bool> get_auth_state() override {
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// TODO (perf):
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auto auth_key = get_auth_key();
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AuthState state = get_auth_state(auth_key);
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return std::make_pair(state, auth_key.was_auth_flag());
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}
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void set_auth_key(const mtproto::AuthKey &auth_key) override {
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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) override {
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G()->update_server_time_difference(diff);
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}
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double get_server_time_difference() override {
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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) override {
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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) override {
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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() override {
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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() {
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return PSTRING() << "auth" << dc_id_.get_raw_id();
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}
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string future_salts_key() {
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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_read();
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auto it = std::remove_if(auth_key_listeners_.begin(), auth_key_listeners_.end(),
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[&](auto &listener) { return !listener->notify(); });
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auth_key_listeners_.erase(it, auth_key_listeners_.end());
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}
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void log_auth_key(const mtproto::AuthKey &auth_key) {
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LOG(WARNING) << dc_id_ << " " << tag("auth_key_id", auth_key.id()) << tag("state", get_auth_state(auth_key));
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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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