244 lines
7.4 KiB
C++
244 lines
7.4 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/DcAuthManager.h"
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#include "td/actor/actor.h"
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#include "td/telegram/ConfigShared.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/net/AuthDataShared.h"
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#include "td/telegram/net/NetQuery.h"
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#include "td/telegram/net/NetQueryDispatcher.h"
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#include "td/telegram/TdDb.h"
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#include "td/telegram/UniqueId.h"
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#include "td/telegram/telegram_api.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/misc.h"
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#include <algorithm>
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#include <limits>
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namespace td {
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DcAuthManager::DcAuthManager(ActorShared<> parent) {
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parent_ = std::move(parent);
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auto s_main_dc_id = G()->td_db()->get_binlog_pmc()->get("main_dc_id");
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if (!s_main_dc_id.empty()) {
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main_dc_id_ = DcId::internal(to_integer<int32>(s_main_dc_id));
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}
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}
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void DcAuthManager::add_dc(std::shared_ptr<AuthDataShared> auth_data) {
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VLOG(dc) << "Register " << auth_data->dc_id();
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class Listener : public AuthDataShared::Listener {
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public:
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explicit Listener(ActorShared<DcAuthManager> dc_manager) : dc_manager_(std::move(dc_manager)) {
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}
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bool notify() override {
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if (!dc_manager_.is_alive()) {
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return false;
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}
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send_closure(dc_manager_, &DcAuthManager::update_auth_state);
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return true;
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}
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private:
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ActorShared<DcAuthManager> dc_manager_;
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};
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DcInfo info;
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info.dc_id = auth_data->dc_id();
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CHECK(info.dc_id.is_exact());
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info.shared_auth_data = std::move(auth_data);
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auto state_was_auth = info.shared_auth_data->get_auth_state();
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info.auth_state = state_was_auth.first;
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was_auth_ |= state_was_auth.second;
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if (!main_dc_id_.is_exact()) {
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main_dc_id_ = info.dc_id;
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}
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info.shared_auth_data->add_auth_key_listener(make_unique<Listener>(actor_shared(this, info.dc_id.get_raw_id())));
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dcs_.emplace_back(std::move(info));
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loop();
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}
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void DcAuthManager::update_main_dc(DcId new_main_dc_id) {
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main_dc_id_ = new_main_dc_id;
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loop();
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}
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DcAuthManager::DcInfo &DcAuthManager::get_dc(int32 dc_id) {
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auto *dc = find_dc(dc_id);
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CHECK(dc);
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return *dc;
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}
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DcAuthManager::DcInfo *DcAuthManager::find_dc(int32 dc_id) {
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auto it = std::find_if(dcs_.begin(), dcs_.end(), [&](auto &x) { return x.dc_id.get_raw_id() == dc_id; });
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if (it == dcs_.end()) {
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return nullptr;
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}
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return &*it;
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}
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void DcAuthManager::update_auth_state() {
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int32 dc_id = narrow_cast<int32>(get_link_token());
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auto &dc = get_dc(dc_id);
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auto state_was_auth = dc.shared_auth_data->get_auth_state();
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VLOG(dc) << "Update dc auth state " << tag("dc_id", dc_id) << tag("old_auth_state", dc.auth_state)
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<< tag("new_auth_state", state_was_auth.first);
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dc.auth_state = state_was_auth.first;
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was_auth_ |= state_was_auth.second;
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loop();
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}
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void DcAuthManager::on_result(NetQueryPtr result) {
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int32 dc_id = narrow_cast<int32>(get_link_token());
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auto &dc = get_dc(dc_id);
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CHECK(dc.wait_id == result->id());
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dc.wait_id = std::numeric_limits<decltype(dc.wait_id)>::max();
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switch (dc.state) {
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case DcInfo::State::Import: {
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if (result->is_error()) {
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LOG(WARNING) << "DC auth_exportAuthorization error: " << result->error();
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dc.state = DcInfo::State::Export;
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break;
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}
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auto r_result_auth_exported = fetch_result<telegram_api::auth_exportAuthorization>(result->ok());
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if (r_result_auth_exported.is_error()) {
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LOG(WARNING) << "Failed to parse result to auth_exportAuthorization: " << r_result_auth_exported.error();
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dc.state = DcInfo::State::Export;
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break;
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}
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auto result_auth_exported = r_result_auth_exported.move_as_ok();
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dc.export_id = result_auth_exported->id_;
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dc.export_bytes = std::move(result_auth_exported->bytes_);
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break;
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}
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case DcInfo::State::BeforeOk: {
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if (result->is_error()) {
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LOG(WARNING) << "DC authImport error: " << result->error();
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dc.state = DcInfo::State::Export;
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break;
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}
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auto result_auth = fetch_result<telegram_api::auth_importAuthorization>(result->ok());
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if (result_auth.is_error()) {
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LOG(WARNING) << "Failed to parse result to auth_importAuthorization: " << result_auth.error();
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dc.state = DcInfo::State::Export;
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break;
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}
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dc.state = DcInfo::State::Ok;
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break;
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}
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default:
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UNREACHABLE();
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}
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result->clear();
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loop();
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}
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void DcAuthManager::dc_loop(DcInfo &dc) {
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VLOG(dc) << "In dc_loop: " << dc.dc_id << " " << dc.auth_state;
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if (dc.auth_state == AuthState::OK) {
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return;
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}
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CHECK(dc.shared_auth_data);
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switch (dc.state) {
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case DcInfo::State::Waiting: {
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// wait for timeout
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// break;
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}
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case DcInfo::State::Export: {
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// send auth.exportAuthorization to auth_dc
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VLOG(dc) << "Send exportAuthorization to " << dc.dc_id;
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auto id = UniqueId::next();
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G()->net_query_dispatcher().dispatch_with_callback(
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G()->net_query_creator().create(
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id, create_storer(telegram_api::auth_exportAuthorization(dc.dc_id.get_raw_id())), DcId::main(),
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NetQuery::Type::Common, NetQuery::AuthFlag::On, NetQuery::GzipFlag::On, 60 * 60 * 24),
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actor_shared(this, dc.dc_id.get_raw_id()));
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dc.wait_id = id;
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dc.export_id = -1;
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dc.state = DcInfo::State::Import;
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break;
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}
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case DcInfo::State::Import: {
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// send auth.importAuthorization to dc
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if (dc.export_id == -1) {
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break;
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}
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uint64 id = UniqueId::next();
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VLOG(dc) << "Send importAuthorization to " << dc.dc_id;
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G()->net_query_dispatcher().dispatch_with_callback(
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G()->net_query_creator().create(
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id, create_storer(telegram_api::auth_importAuthorization(dc.export_id, std::move(dc.export_bytes))),
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dc.dc_id, NetQuery::Type::Common, NetQuery::AuthFlag::Off, NetQuery::GzipFlag::On, 60 * 60 * 24),
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actor_shared(this, dc.dc_id.get_raw_id()));
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dc.wait_id = id;
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dc.state = DcInfo::State::BeforeOk;
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break;
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}
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case DcInfo::State::BeforeOk: {
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break;
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}
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case DcInfo::State::Ok: {
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break;
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}
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}
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}
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void DcAuthManager::destroy(Promise<> promise) {
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destroy_promise_ = std::move(promise);
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loop();
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}
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void DcAuthManager::destroy_loop() {
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if (!destroy_promise_) {
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return;
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}
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bool is_ready{true};
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for (auto &dc : dcs_) {
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is_ready &= dc.auth_state == AuthState::Empty;
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}
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if (is_ready) {
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LOG(INFO) << "Destroy auth keys loop is ready, all keys are destroyed";
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destroy_promise_.set_value(Unit());
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} else {
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LOG(INFO) << "DC is not ready for destroying auth key";
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}
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}
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void DcAuthManager::loop() {
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if (close_flag_) {
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VLOG(dc) << "Skip loop because close_flag";
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return;
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}
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destroy_loop();
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if (!main_dc_id_.is_exact()) {
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VLOG(dc) << "Skip loop because main_dc_id is unknown";
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return;
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}
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auto main_dc = find_dc(main_dc_id_.get_raw_id());
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if (!main_dc || main_dc->auth_state != AuthState::OK) {
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if (was_auth_) {
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G()->shared_config().set_option_boolean("auth", false);
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destroy_loop();
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}
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VLOG(dc) << "Skip loop because auth state of main dc " << main_dc_id_.get_raw_id() << " is "
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<< (main_dc != nullptr ? (PSTRING() << main_dc->auth_state) : "unknown");
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return;
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}
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for (auto &dc : dcs_) {
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dc_loop(dc);
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}
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}
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} // namespace td
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