tdlight/td/telegram/AuthManager.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// 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/AuthManager.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/AuthManager.hpp"
#include "td/telegram/ConfigManager.h"
#include "td/telegram/ConfigShared.h"
#include "td/telegram/ContactsManager.h"
#include "td/telegram/Global.h"
#include "td/telegram/logevent/LogEvent.h"
#include "td/telegram/misc.h"
#include "td/telegram/net/DcId.h"
#include "td/telegram/net/NetQueryDispatcher.h"
#include "td/telegram/NotificationManager.h"
#include "td/telegram/PasswordManager.h"
#include "td/telegram/Td.h"
#include "td/telegram/TdDb.h"
#include "td/telegram/TopDialogManager.h"
#include "td/telegram/UniqueId.h"
#include "td/telegram/UpdatesManager.h"
#include "td/actor/PromiseFuture.h"
#include "td/utils/format.h"
#include "td/utils/logging.h"
#include "td/utils/ScopeGuard.h"
#include "td/utils/Slice.h"
#include "td/utils/Time.h"
namespace td {
AuthManager::AuthManager(int32 api_id, const string &api_hash, ActorShared<> parent)
: parent_(std::move(parent)), api_id_(api_id), api_hash_(api_hash) {
string auth_str = G()->td_db()->get_binlog_pmc()->get("auth");
if (auth_str == "ok") {
string is_bot_str = G()->td_db()->get_binlog_pmc()->get("auth_is_bot");
if (is_bot_str == "true") {
is_bot_ = true;
}
auto my_id = ContactsManager::load_my_id();
if (my_id.is_valid()) {
// just in case
G()->shared_config().set_option_integer("my_id", my_id.get());
update_state(State::Ok);
} else {
LOG(ERROR) << "Restore unknown my_id";
ContactsManager::send_get_me_query(
G()->td().get_actor_unsafe(),
PromiseCreator::lambda([this](Result<Unit> result) { update_state(State::Ok); }));
}
} else if (auth_str == "logout") {
update_state(State::LoggingOut);
} else if (auth_str == "destroy") {
update_state(State::DestroyingKeys);
} else {
if (!load_state()) {
update_state(State::WaitPhoneNumber);
}
}
}
void AuthManager::start_up() {
if (state_ == State::LoggingOut) {
start_net_query(NetQueryType::LogOut, G()->net_query_creator().create(create_storer(telegram_api::auth_logOut())));
} else if (state_ == State::DestroyingKeys) {
destroy_auth_keys();
}
}
void AuthManager::tear_down() {
parent_.reset();
}
bool AuthManager::is_bot() const {
return is_bot_ && (state_ == State::Ok || state_ == State::LoggingOut || state_ == State::DestroyingKeys ||
state_ == State::Closing);
}
void AuthManager::set_is_bot(bool is_bot) {
if (!is_bot_ && is_bot && api_id_ == 23818) {
LOG(ERROR) << "Fix is_bot to " << is_bot;
G()->td_db()->get_binlog_pmc()->set("auth_is_bot", "true");
is_bot_ = true;
}
}
bool AuthManager::is_authorized() const {
return state_ == State::Ok;
}
tl_object_ptr<td_api::AuthorizationState> AuthManager::get_authorization_state_object(State authorization_state) const {
switch (authorization_state) {
case State::Ok:
return make_tl_object<td_api::authorizationStateReady>();
case State::WaitCode:
return send_code_helper_.get_authorization_state_wait_code();
case State::WaitPhoneNumber:
return make_tl_object<td_api::authorizationStateWaitPhoneNumber>();
case State::WaitRegistration:
return make_tl_object<td_api::authorizationStateWaitRegistration>(
terms_of_service_.get_terms_of_service_object());
case State::WaitPassword:
return make_tl_object<td_api::authorizationStateWaitPassword>(
wait_password_state_.hint_, wait_password_state_.has_recovery_, wait_password_state_.email_address_pattern_);
case State::LoggingOut:
case State::DestroyingKeys:
return make_tl_object<td_api::authorizationStateLoggingOut>();
case State::Closing:
return make_tl_object<td_api::authorizationStateClosing>();
case State::None:
default:
UNREACHABLE();
return nullptr;
}
}
tl_object_ptr<td_api::AuthorizationState> AuthManager::get_current_authorization_state_object() const {
if (state_ == State::None) {
return nullptr;
} else {
return get_authorization_state_object(state_);
}
}
void AuthManager::get_state(uint64 query_id) {
if (state_ == State::None) {
pending_get_authorization_state_requests_.push_back(query_id);
} else {
send_closure(G()->td(), &Td::send_result, query_id, get_authorization_state_object(state_));
}
}
void AuthManager::check_bot_token(uint64 query_id, string bot_token) {
if (state_ == State::WaitPhoneNumber && net_query_id_ == 0) {
// can ignore previous checks
was_check_bot_token_ = false; // TODO can we remove was_check_bot_token_ after State::Ok is disallowed?
}
if (state_ != State::WaitPhoneNumber && state_ != State::Ok) {
// TODO do not allow State::Ok
return on_query_error(query_id, Status::Error(8, "checkAuthenticationBotToken unexpected"));
}
if (!send_code_helper_.phone_number().empty()) {
return on_query_error(
query_id, Status::Error(8, "Cannot set bot token after authentication beginning. You need to log out first"));
}
if (was_check_bot_token_ && bot_token_ != bot_token) {
return on_query_error(query_id, Status::Error(8, "Cannot change bot token. You need to log out first"));
}
if (state_ == State::Ok) {
if (!is_bot_) {
// fix old bots
const int32 AUTH_IS_BOT_FIXED_DATE = 1500940800;
if (G()->shared_config().get_option_integer("authorization_date") < AUTH_IS_BOT_FIXED_DATE) {
G()->td_db()->get_binlog_pmc()->set("auth_is_bot", "true");
is_bot_ = true;
}
}
return send_ok(query_id);
}
on_new_query(query_id);
bot_token_ = bot_token;
was_check_bot_token_ = true;
start_net_query(NetQueryType::BotAuthentication,
G()->net_query_creator().create(
create_storer(telegram_api::auth_importBotAuthorization(0, api_id_, api_hash_, bot_token_)),
DcId::main(), NetQuery::Type::Common, NetQuery::AuthFlag::Off));
}
void AuthManager::set_phone_number(uint64 query_id, string phone_number,
td_api::object_ptr<td_api::phoneNumberAuthenticationSettings> settings) {
if (state_ != State::WaitPhoneNumber) {
if ((state_ == State::WaitCode || state_ == State::WaitPassword || state_ == State::WaitRegistration) &&
net_query_id_ == 0) {
// ok
} else {
return on_query_error(query_id, Status::Error(8, "setAuthenticationPhoneNumber unexpected"));
}
}
if (was_check_bot_token_) {
return on_query_error(
query_id, Status::Error(8, "Cannot set phone number after bot token was entered. You need to log out first"));
}
if (phone_number.empty()) {
return on_query_error(query_id, Status::Error(8, "Phone number can't be empty"));
}
auto r_send_code = send_code_helper_.send_code(phone_number, settings, api_id_, api_hash_);
if (r_send_code.is_error()) {
send_code_helper_ = SendCodeHelper();
terms_of_service_ = TermsOfService();
r_send_code = send_code_helper_.send_code(phone_number, settings, api_id_, api_hash_);
if (r_send_code.is_error()) {
return on_query_error(query_id, r_send_code.move_as_error());
}
}
on_new_query(query_id);
auto unique_id = UniqueId::next();
start_net_query(NetQueryType::SendCode,
G()->net_query_creator().create(unique_id, create_storer(r_send_code.move_as_ok()), DcId::main(),
NetQuery::Type::Common, NetQuery::AuthFlag::Off));
}
void AuthManager::resend_authentication_code(uint64 query_id) {
if (state_ != State::WaitCode || was_check_bot_token_) {
return on_query_error(query_id, Status::Error(8, "resendAuthenticationCode unexpected"));
}
auto r_resend_code = send_code_helper_.resend_code();
if (r_resend_code.is_error()) {
return on_query_error(query_id, r_resend_code.move_as_error());
}
on_new_query(query_id);
start_net_query(NetQueryType::SendCode,
G()->net_query_creator().create(create_storer(r_resend_code.move_as_ok()), DcId::main(),
NetQuery::Type::Common, NetQuery::AuthFlag::Off));
}
void AuthManager::check_code(uint64 query_id, string code) {
if (state_ != State::WaitCode) {
return on_query_error(query_id, Status::Error(8, "checkAuthenticationCode unexpected"));
}
code_ = std::move(code);
on_new_query(query_id);
start_net_query(NetQueryType::SignIn,
G()->net_query_creator().create(
create_storer(telegram_api::auth_signIn(send_code_helper_.phone_number().str(),
send_code_helper_.phone_code_hash().str(), code_)),
DcId::main(), NetQuery::Type::Common, NetQuery::AuthFlag::Off));
}
void AuthManager::register_user(uint64 query_id, string first_name, string last_name) {
if (state_ != State::WaitRegistration) {
return on_query_error(query_id, Status::Error(8, "registerUser unexpected"));
}
on_new_query(query_id);
first_name = clean_name(first_name, MAX_NAME_LENGTH);
if (first_name.empty()) {
return on_query_error(Status::Error(8, "First name can't be empty"));
}
last_name = clean_name(last_name, MAX_NAME_LENGTH);
start_net_query(
NetQueryType::SignUp,
G()->net_query_creator().create(
create_storer(telegram_api::auth_signUp(send_code_helper_.phone_number().str(),
send_code_helper_.phone_code_hash().str(), first_name, last_name)),
DcId::main(), NetQuery::Type::Common, NetQuery::AuthFlag::Off));
}
void AuthManager::check_password(uint64 query_id, string password) {
if (state_ != State::WaitPassword) {
return on_query_error(query_id, Status::Error(8, "checkAuthenticationPassword unexpected"));
}
LOG(INFO) << "Have SRP id " << wait_password_state_.srp_id_;
on_new_query(query_id);
password_ = std::move(password);
start_net_query(NetQueryType::GetPassword,
G()->net_query_creator().create(create_storer(telegram_api::account_getPassword()), DcId::main(),
NetQuery::Type::Common, NetQuery::AuthFlag::Off));
}
void AuthManager::request_password_recovery(uint64 query_id) {
if (state_ != State::WaitPassword) {
return on_query_error(query_id, Status::Error(8, "requestAuthenticationPasswordRecovery unexpected"));
}
on_new_query(query_id);
start_net_query(NetQueryType::RequestPasswordRecovery,
G()->net_query_creator().create(create_storer(telegram_api::auth_requestPasswordRecovery()),
DcId::main(), NetQuery::Type::Common, NetQuery::AuthFlag::Off));
}
void AuthManager::recover_password(uint64 query_id, string code) {
if (state_ != State::WaitPassword) {
return on_query_error(query_id, Status::Error(8, "recoverAuthenticationPassword unexpected"));
}
on_new_query(query_id);
start_net_query(NetQueryType::RecoverPassword,
G()->net_query_creator().create(create_storer(telegram_api::auth_recoverPassword(code)), DcId::main(),
NetQuery::Type::Common, NetQuery::AuthFlag::Off));
}
void AuthManager::logout(uint64 query_id) {
if (state_ == State::Closing) {
return on_query_error(query_id, Status::Error(8, "Already logged out"));
}
if (state_ == State::LoggingOut || state_ == State::DestroyingKeys) {
return on_query_error(query_id, Status::Error(8, "Already logging out"));
}
on_new_query(query_id);
if (state_ != State::Ok) {
// TODO: could skip full logout if still no authorization
// TODO: send auth.cancelCode if state_ == State::WaitCode
destroy_auth_keys();
on_query_ok();
} else {
LOG(INFO) << "Logging out";
G()->td_db()->get_binlog_pmc()->set("auth", "logout");
update_state(State::LoggingOut);
start_net_query(NetQueryType::LogOut, G()->net_query_creator().create(create_storer(telegram_api::auth_logOut())));
}
}
void AuthManager::delete_account(uint64 query_id, const string &reason) {
if (state_ != State::Ok && state_ != State::WaitPassword) {
return on_query_error(query_id, Status::Error(8, "Need to log in first"));
}
on_new_query(query_id);
LOG(INFO) << "Deleting account";
start_net_query(NetQueryType::DeleteAccount,
G()->net_query_creator().create(create_storer(telegram_api::account_deleteAccount(reason)),
DcId::main(), NetQuery::Type::Common, NetQuery::AuthFlag::Off));
}
void AuthManager::on_closing(bool destroy_flag) {
if (destroy_flag) {
update_state(State::LoggingOut);
} else {
update_state(State::Closing);
}
}
void AuthManager::on_new_query(uint64 query_id) {
if (query_id_ != 0) {
on_query_error(Status::Error(9, "Another authorization query has started"));
}
net_query_id_ = 0;
net_query_type_ = NetQueryType::None;
query_id_ = query_id;
// TODO: cancel older net_query
}
void AuthManager::on_query_error(Status status) {
CHECK(query_id_ != 0);
auto id = query_id_;
query_id_ = 0;
net_query_id_ = 0;
net_query_type_ = NetQueryType::None;
on_query_error(id, std::move(status));
}
void AuthManager::on_query_error(uint64 id, Status status) {
send_closure(G()->td(), &Td::send_error, id, std::move(status));
}
void AuthManager::on_query_ok() {
CHECK(query_id_ != 0);
auto id = query_id_;
net_query_id_ = 0;
net_query_type_ = NetQueryType::None;
query_id_ = 0;
send_ok(id);
}
void AuthManager::send_ok(uint64 query_id) {
send_closure(G()->td(), &Td::send_result, query_id, td_api::make_object<td_api::ok>());
}
void AuthManager::start_net_query(NetQueryType net_query_type, NetQueryPtr net_query) {
// TODO: cancel old net_query?
net_query_type_ = net_query_type;
net_query_id_ = net_query->id();
G()->net_query_dispatcher().dispatch_with_callback(std::move(net_query), actor_shared(this));
}
void AuthManager::on_send_code_result(NetQueryPtr &result) {
auto r_sent_code = fetch_result<telegram_api::auth_sendCode>(result->ok());
if (r_sent_code.is_error()) {
if (r_sent_code.error().message() == CSlice("PHONE_NUMBER_BANNED")) {
LOG(PLAIN) << "Your phone number was banned for suspicious activity. If you think that this is a mistake, please "
"write to recover@telegram.org your phone number and other details to recover the account.";
}
return on_query_error(r_sent_code.move_as_error());
}
auto sent_code = r_sent_code.move_as_ok();
LOG(INFO) << "Receive " << to_string(sent_code);
send_code_helper_.on_sent_code(std::move(sent_code));
update_state(State::WaitCode, true);
on_query_ok();
}
void AuthManager::on_get_password_result(NetQueryPtr &result) {
auto r_password = fetch_result<telegram_api::account_getPassword>(result->ok());
if (r_password.is_error()) {
return on_query_error(r_password.move_as_error());
}
auto password = r_password.move_as_ok();
LOG(INFO) << "Receive password info: " << to_string(password);
wait_password_state_ = WaitPasswordState();
if (password->current_algo_ != nullptr) {
switch (password->current_algo_->get_id()) {
case telegram_api::passwordKdfAlgoUnknown::ID:
return on_query_error(Status::Error(400, "Application update is needed to log in"));
case telegram_api::passwordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow::ID: {
auto algo = move_tl_object_as<telegram_api::passwordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow>(
password->current_algo_);
wait_password_state_.current_client_salt_ = algo->salt1_.as_slice().str();
wait_password_state_.current_server_salt_ = algo->salt2_.as_slice().str();
wait_password_state_.srp_g_ = algo->g_;
wait_password_state_.srp_p_ = algo->p_.as_slice().str();
wait_password_state_.srp_B_ = password->srp_B_.as_slice().str();
wait_password_state_.srp_id_ = password->srp_id_;
wait_password_state_.hint_ = std::move(password->hint_);
wait_password_state_.has_recovery_ =
(password->flags_ & telegram_api::account_password::HAS_RECOVERY_MASK) != 0;
break;
}
default:
UNREACHABLE();
}
} else {
start_net_query(NetQueryType::SignIn,
G()->net_query_creator().create(
create_storer(telegram_api::auth_signIn(send_code_helper_.phone_number().str(),
send_code_helper_.phone_code_hash().str(), code_)),
DcId::main(), NetQuery::Type::Common, NetQuery::AuthFlag::Off));
return;
}
if (state_ == State::WaitPassword) {
LOG(INFO) << "Have SRP id " << wait_password_state_.srp_id_;
auto hash = PasswordManager::get_input_check_password(password_, wait_password_state_.current_client_salt_,
wait_password_state_.current_server_salt_,
wait_password_state_.srp_g_, wait_password_state_.srp_p_,
wait_password_state_.srp_B_, wait_password_state_.srp_id_);
start_net_query(NetQueryType::CheckPassword,
G()->net_query_creator().create(create_storer(telegram_api::auth_checkPassword(std::move(hash))),
DcId::main(), NetQuery::Type::Common, NetQuery::AuthFlag::Off));
} else {
update_state(State::WaitPassword);
on_query_ok();
}
}
void AuthManager::on_request_password_recovery_result(NetQueryPtr &result) {
auto r_email_address_pattern = fetch_result<telegram_api::auth_requestPasswordRecovery>(result->ok());
if (r_email_address_pattern.is_error()) {
return on_query_error(r_email_address_pattern.move_as_error());
}
auto email_address_pattern = r_email_address_pattern.move_as_ok();
CHECK(email_address_pattern->get_id() == telegram_api::auth_passwordRecovery::ID);
wait_password_state_.email_address_pattern_ = std::move(email_address_pattern->email_pattern_);
update_state(State::WaitPassword, true);
on_query_ok();
}
void AuthManager::on_authentication_result(NetQueryPtr &result, bool expected_flag) {
auto r_sign_in = fetch_result<telegram_api::auth_signIn>(result->ok());
if (r_sign_in.is_error()) {
if (expected_flag && query_id_ != 0) {
return on_query_error(r_sign_in.move_as_error());
}
return;
}
on_authorization(r_sign_in.move_as_ok());
}
void AuthManager::on_log_out_result(NetQueryPtr &result) {
Status status;
if (result->is_ok()) {
auto r_log_out = fetch_result<telegram_api::auth_logOut>(result->ok());
if (r_log_out.is_ok()) {
if (!r_log_out.ok()) {
status = Status::Error(500, "auth.logOut returned false!");
}
} else {
status = r_log_out.move_as_error();
}
} else {
status = std::move(result->error());
}
LOG_IF(ERROR, status.is_error()) << "Receive error for auth.logOut: " << status;
// state_ will stay logout, so no queries will work.
destroy_auth_keys();
if (query_id_ != 0) {
on_query_ok();
}
}
void AuthManager::on_authorization_lost() {
destroy_auth_keys();
}
void AuthManager::destroy_auth_keys() {
if (state_ == State::Closing) {
return;
}
update_state(State::DestroyingKeys);
auto promise = PromiseCreator::lambda(
[](Unit) {
G()->net_query_dispatcher().destroy_auth_keys(PromiseCreator::lambda(
[](Unit) { send_closure_later(G()->td(), &Td::destroy); }, PromiseCreator::Ignore()));
},
PromiseCreator::Ignore());
G()->td_db()->get_binlog_pmc()->set("auth", "destroy");
G()->td_db()->get_binlog_pmc()->force_sync(std::move(promise));
}
void AuthManager::on_delete_account_result(NetQueryPtr &result) {
Status status;
if (result->is_ok()) {
auto r_delete_account = fetch_result<telegram_api::account_deleteAccount>(result->ok());
if (r_delete_account.is_ok()) {
if (!r_delete_account.ok()) {
// status = Status::Error(500, "Receive false as result of the request");
}
} else {
status = r_delete_account.move_as_error();
}
} else {
status = std::move(result->error());
}
if (status.is_error() && status.error().message() != "USER_DEACTIVATED") {
LOG(WARNING) << "Request account.deleteAccount failed: " << status;
// TODO handle some errors
if (query_id_ != 0) {
on_query_error(std::move(status));
}
} else {
destroy_auth_keys();
if (query_id_ != 0) {
on_query_ok();
}
}
}
void AuthManager::on_authorization(tl_object_ptr<telegram_api::auth_Authorization> auth_ptr) {
if (state_ == State::Ok) {
LOG(WARNING) << "Ignore duplicated auth.Authorization";
if (query_id_ != 0) {
on_query_ok();
}
return;
}
CHECK(auth_ptr != nullptr);
if (auth_ptr->get_id() == telegram_api::auth_authorizationSignUpRequired::ID) {
auto sign_up_required = telegram_api::move_object_as<telegram_api::auth_authorizationSignUpRequired>(auth_ptr);
terms_of_service_ = TermsOfService(std::move(sign_up_required->terms_of_service_));
update_state(State::WaitRegistration);
if (query_id_ != 0) {
on_query_ok();
}
return;
}
auto auth = telegram_api::move_object_as<telegram_api::auth_authorization>(auth_ptr);
G()->shared_config().set_option_integer("authorization_date", G()->unix_time());
if (was_check_bot_token_) {
is_bot_ = true;
G()->td_db()->get_binlog_pmc()->set("auth_is_bot", "true");
}
G()->td_db()->get_binlog_pmc()->set("auth", "ok");
code_.clear();
password_.clear();
state_ = State::Ok;
td->contacts_manager_->on_get_user(std::move(auth->user_), "on_authorization", true);
update_state(State::Ok, true);
if (!td->contacts_manager_->get_my_id().is_valid()) {
LOG(ERROR) << "Server doesn't send proper authorization";
if (query_id_ != 0) {
on_query_error(Status::Error(500, "Server doesn't send proper authorization"));
}
logout(0);
return;
}
if ((auth->flags_ & telegram_api::auth_authorization::TMP_SESSIONS_MASK) != 0) {
G()->shared_config().set_option_integer("session_count", auth->tmp_sessions_);
}
td->notification_manager_->init();
send_closure(td->top_dialog_manager_, &TopDialogManager::do_start_up);
td->updates_manager_->get_difference("on_authorization");
td->on_online_updated(false, true);
td->schedule_get_terms_of_service(0);
if (!is_bot()) {
G()->td_db()->get_binlog_pmc()->set("fetched_marks_as_unread", "1");
}
send_closure(G()->config_manager(), &ConfigManager::request_config);
if (query_id_ != 0) {
on_query_ok();
}
}
void AuthManager::on_result(NetQueryPtr result) {
SCOPE_EXIT {
result->clear();
};
NetQueryType type = NetQueryType::None;
if (result->id() == net_query_id_) {
net_query_id_ = 0;
type = net_query_type_;
net_query_type_ = NetQueryType::None;
if (result->is_error()) {
if (type == NetQueryType::SignIn && result->error().code() == 401 &&
result->error().message() == CSlice("SESSION_PASSWORD_NEEDED")) {
start_net_query(NetQueryType::GetPassword,
G()->net_query_creator().create(create_storer(telegram_api::account_getPassword()),
DcId::main(), NetQuery::Type::Common, NetQuery::AuthFlag::Off));
return;
}
if (type != NetQueryType::LogOut) {
if (query_id_ != 0) {
if (state_ == State::WaitPhoneNumber) {
send_code_helper_ = SendCodeHelper();
terms_of_service_ = TermsOfService();
}
on_query_error(std::move(result->error()));
}
return;
}
}
} else if (result->is_ok() && result->ok_tl_constructor() == telegram_api::auth_authorization::ID) {
type = NetQueryType::Authentication;
}
switch (type) {
case NetQueryType::None:
result->ignore();
break;
case NetQueryType::SignIn:
case NetQueryType::SignUp:
case NetQueryType::BotAuthentication:
case NetQueryType::CheckPassword:
case NetQueryType::RecoverPassword:
on_authentication_result(result, true);
break;
case NetQueryType::Authentication:
on_authentication_result(result, false);
break;
case NetQueryType::SendCode:
on_send_code_result(result);
break;
case NetQueryType::GetPassword:
on_get_password_result(result);
break;
case NetQueryType::RequestPasswordRecovery:
on_request_password_recovery_result(result);
break;
case NetQueryType::LogOut:
on_log_out_result(result);
break;
case NetQueryType::DeleteAccount:
on_delete_account_result(result);
break;
}
}
void AuthManager::update_state(State new_state, bool force, bool should_save_state) {
if (state_ == new_state && !force) {
return;
}
state_ = new_state;
if (should_save_state) {
save_state();
}
send_closure(G()->td(), &Td::send_update,
make_tl_object<td_api::updateAuthorizationState>(get_authorization_state_object(state_)));
if (!pending_get_authorization_state_requests_.empty()) {
auto query_ids = std::move(pending_get_authorization_state_requests_);
for (auto query_id : query_ids) {
send_closure(G()->td(), &Td::send_result, query_id, get_authorization_state_object(state_));
}
}
}
bool AuthManager::load_state() {
auto data = G()->td_db()->get_binlog_pmc()->get("auth_state");
if (data.empty()) {
return false;
}
DbState db_state;
auto status = log_event_parse(db_state, data);
if (status.is_error()) {
LOG(INFO) << "Ignore auth_state: " << status;
return false;
}
if (db_state.api_id_ != api_id_ || db_state.api_hash_ != api_hash_) {
LOG(INFO) << "Ignore auth_state: api_id or api_hash changed";
return false;
}
if (!db_state.state_timestamp_.is_in_past()) {
LOG(INFO) << "Ignore auth_state: timestamp in the future";
return false;
}
if (Timestamp::at(db_state.state_timestamp_.at() + 5 * 60).is_in_past()) {
LOG(INFO) << "Ignore auth_state: expired " << db_state.state_timestamp_.in();
return false;
}
LOG(INFO) << "Load auth_state from database: " << tag("state", static_cast<int32>(db_state.state_));
if (db_state.state_ == State::WaitCode) {
send_code_helper_ = std::move(db_state.send_code_helper_);
} else if (db_state.state_ == State::WaitPassword) {
wait_password_state_ = std::move(db_state.wait_password_state_);
} else if (db_state.state_ == State::WaitRegistration) {
send_code_helper_ = std::move(db_state.send_code_helper_);
terms_of_service_ = std::move(db_state.terms_of_service_);
} else {
UNREACHABLE();
}
update_state(db_state.state_, false, false);
return true;
}
void AuthManager::save_state() {
if (state_ != State::WaitCode && state_ != State::WaitPassword && state_ != State::WaitRegistration) {
if (state_ != State::Closing) {
G()->td_db()->get_binlog_pmc()->erase("auth_state");
}
return;
}
DbState db_state = [&] {
if (state_ == State::WaitCode) {
return DbState::wait_code(api_id_, api_hash_, send_code_helper_);
} else if (state_ == State::WaitPassword) {
return DbState::wait_password(api_id_, api_hash_, wait_password_state_);
} else {
CHECK(state_ == State::WaitRegistration);
return DbState::wait_registration(api_id_, api_hash_, send_code_helper_, terms_of_service_);
}
}();
G()->td_db()->get_binlog_pmc()->set("auth_state", log_event_store(db_state).as_slice().str());
}
} // namespace td