393 lines
13 KiB
C++
393 lines
13 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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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/DeviceTokenManager.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/misc.h"
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#include "td/telegram/net/NetQueryDispatcher.h"
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#include "td/telegram/UserId.h"
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#include "td/telegram/td_api.hpp"
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#include "td/telegram/telegram_api.h"
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#include "td/utils/base64.h"
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#include "td/utils/buffer.h"
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#include "td/utils/format.h"
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#include "td/utils/JsonBuilder.h"
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#include "td/utils/logging.h"
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#include "td/utils/Random.h"
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#include "td/utils/Status.h"
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#include "td/utils/tl_helpers.h"
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#include <type_traits>
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namespace td {
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template <class StorerT>
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void DeviceTokenManager::TokenInfo::store(StorerT &storer) const {
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using td::store;
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bool has_other_user_ids = !other_user_ids.empty();
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bool is_sync = state == State::Sync;
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bool is_unregister = state == State::Unregister;
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bool is_register = state == State::Register;
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BEGIN_STORE_FLAGS();
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STORE_FLAG(has_other_user_ids);
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STORE_FLAG(is_sync);
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STORE_FLAG(is_unregister);
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STORE_FLAG(is_register);
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STORE_FLAG(is_app_sandbox);
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STORE_FLAG(encrypt);
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END_STORE_FLAGS();
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store(token, storer);
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if (has_other_user_ids) {
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store(other_user_ids, storer);
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}
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if (encrypt) {
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store(encryption_key, storer);
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}
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}
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template <class ParserT>
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void DeviceTokenManager::TokenInfo::parse(ParserT &parser) {
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using td::parse;
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bool has_other_user_ids;
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bool is_sync;
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bool is_unregister;
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bool is_register;
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BEGIN_PARSE_FLAGS();
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PARSE_FLAG(has_other_user_ids);
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PARSE_FLAG(is_sync);
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PARSE_FLAG(is_unregister);
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PARSE_FLAG(is_register);
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PARSE_FLAG(is_app_sandbox);
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PARSE_FLAG(encrypt);
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END_PARSE_FLAGS_GENERIC();
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CHECK(is_sync + is_unregister + is_register == 1);
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if (is_sync) {
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state = State::Sync;
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} else if (is_unregister) {
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state = State::Unregister;
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} else {
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state = State::Register;
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}
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parse(token, parser);
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if (has_other_user_ids) {
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parse(other_user_ids, parser);
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}
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if (encrypt) {
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parse(encryption_key, parser);
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}
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}
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StringBuilder &operator<<(StringBuilder &string_builder, const DeviceTokenManager::TokenInfo &token_info) {
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switch (token_info.state) {
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case DeviceTokenManager::TokenInfo::State::Sync:
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string_builder << "Synchronized";
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break;
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case DeviceTokenManager::TokenInfo::State::Unregister:
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string_builder << "Unregister";
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break;
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case DeviceTokenManager::TokenInfo::State::Register:
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string_builder << "Register";
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break;
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default:
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UNREACHABLE();
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}
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string_builder << " token \"" << format::escaped(token_info.token) << "\"";
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if (!token_info.other_user_ids.empty()) {
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string_builder << ", with other users " << token_info.other_user_ids;
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}
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if (token_info.is_app_sandbox) {
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string_builder << ", sandboxed";
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}
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if (token_info.encrypt) {
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string_builder << ", encrypted";
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}
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return string_builder;
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}
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void DeviceTokenManager::register_device(tl_object_ptr<td_api::DeviceToken> device_token_ptr,
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vector<int32> other_user_ids, Promise<tl_object_ptr<td_api::ok>> promise) {
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CHECK(device_token_ptr != nullptr);
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TokenType token_type;
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string token;
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bool is_app_sandbox = false;
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bool encrypt = false;
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switch (device_token_ptr->get_id()) {
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case td_api::deviceTokenApplePush::ID: {
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auto device_token = static_cast<td_api::deviceTokenApplePush *>(device_token_ptr.get());
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token = std::move(device_token->device_token_);
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token_type = TokenType::APNS;
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is_app_sandbox = device_token->is_app_sandbox_;
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break;
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}
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case td_api::deviceTokenGoogleCloudMessaging::ID: {
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auto device_token = static_cast<td_api::deviceTokenGoogleCloudMessaging *>(device_token_ptr.get());
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token = std::move(device_token->token_);
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token_type = TokenType::GCM;
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encrypt = device_token->encrypt_;
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break;
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}
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case td_api::deviceTokenMicrosoftPush::ID: {
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auto device_token = static_cast<td_api::deviceTokenMicrosoftPush *>(device_token_ptr.get());
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token = std::move(device_token->channel_uri_);
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token_type = TokenType::MPNS;
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break;
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}
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case td_api::deviceTokenSimplePush::ID: {
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auto device_token = static_cast<td_api::deviceTokenSimplePush *>(device_token_ptr.get());
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token = std::move(device_token->endpoint_);
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token_type = TokenType::SIMPLE_PUSH;
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break;
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}
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case td_api::deviceTokenUbuntuPush::ID: {
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auto device_token = static_cast<td_api::deviceTokenUbuntuPush *>(device_token_ptr.get());
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token = std::move(device_token->token_);
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token_type = TokenType::UBUNTU_PHONE;
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break;
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}
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case td_api::deviceTokenBlackBerryPush::ID: {
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auto device_token = static_cast<td_api::deviceTokenBlackBerryPush *>(device_token_ptr.get());
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token = std::move(device_token->token_);
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token_type = TokenType::BLACKBERRY;
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break;
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}
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case td_api::deviceTokenWindowsPush::ID: {
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auto device_token = static_cast<td_api::deviceTokenWindowsPush *>(device_token_ptr.get());
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token = std::move(device_token->access_token_);
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token_type = TokenType::WNS;
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break;
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}
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case td_api::deviceTokenApplePushVoIP::ID: {
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auto device_token = static_cast<td_api::deviceTokenApplePushVoIP *>(device_token_ptr.get());
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token = std::move(device_token->device_token_);
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token_type = TokenType::APNS_VOIP;
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is_app_sandbox = device_token->is_app_sandbox_;
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encrypt = device_token->encrypt_;
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break;
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}
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case td_api::deviceTokenWebPush::ID: {
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auto device_token = static_cast<td_api::deviceTokenWebPush *>(device_token_ptr.get());
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if (device_token->endpoint_.find(',') != string::npos) {
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return promise.set_error(Status::Error(400, "Illegal endpoint value"));
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}
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if (!is_base64url(device_token->p256dh_base64url_)) {
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return promise.set_error(Status::Error(400, "Public key must be base64url-encoded"));
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}
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if (!is_base64url(device_token->auth_base64url_)) {
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return promise.set_error(Status::Error(400, "Authentication secret must be base64url-encoded"));
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}
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if (!clean_input_string(device_token->endpoint_)) {
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return promise.set_error(Status::Error(400, "Endpoint must be encoded in UTF-8"));
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}
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if (!device_token->endpoint_.empty()) {
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token = json_encode<string>(json_object([&device_token](auto &o) {
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o("endpoint", device_token->endpoint_);
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o("keys", json_object([&device_token](auto &o) {
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o("p256dh", device_token->p256dh_base64url_);
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o("auth", device_token->auth_base64url_);
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}));
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}));
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}
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token_type = TokenType::WEB_PUSH;
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break;
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}
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case td_api::deviceTokenMicrosoftPushVoIP::ID: {
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auto device_token = static_cast<td_api::deviceTokenMicrosoftPushVoIP *>(device_token_ptr.get());
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token = std::move(device_token->channel_uri_);
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token_type = TokenType::MPNS_VOIP;
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break;
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}
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case td_api::deviceTokenTizenPush::ID: {
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auto device_token = static_cast<td_api::deviceTokenTizenPush *>(device_token_ptr.get());
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token = std::move(device_token->reg_id_);
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token_type = TokenType::TIZEN;
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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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if (!clean_input_string(token)) {
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return promise.set_error(Status::Error(400, "Device token must be encoded in UTF-8"));
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}
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for (auto &other_user_id : other_user_ids) {
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UserId user_id(other_user_id);
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if (!user_id.is_valid()) {
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return promise.set_error(Status::Error(400, "Invalid user_id among other user_ids"));
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}
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}
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if (other_user_ids.size() > MAX_OTHER_USER_IDS) {
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return promise.set_error(Status::Error(400, "Too much other user_ids"));
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}
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auto &info = tokens_[token_type];
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info.net_query_id = 0;
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if (token.empty()) {
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if (info.token.empty()) {
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// already unregistered
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return promise.set_value(make_tl_object<td_api::ok>());
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}
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info.state = TokenInfo::State::Unregister;
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} else {
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info.state = TokenInfo::State::Register;
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info.token = std::move(token);
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}
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info.other_user_ids = std::move(other_user_ids);
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info.is_app_sandbox = is_app_sandbox;
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if (encrypt != info.encrypt) {
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if (encrypt) {
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constexpr size_t ENCRYPTION_KEY_LENGTH = 256;
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info.encryption_key.resize(ENCRYPTION_KEY_LENGTH);
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Random::secure_bytes(info.encryption_key);
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} else {
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info.encryption_key.clear();
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}
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info.encrypt = encrypt;
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}
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info.promise.set_value(make_tl_object<td_api::ok>());
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info.promise = std::move(promise);
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save_info(token_type);
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}
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vector<Slice> DeviceTokenManager::get_encryption_keys() const {
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vector<Slice> result;
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for (int32 token_type = 1; token_type < TokenType::SIZE; token_type++) {
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auto &info = tokens_[token_type];
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if (!info.token.empty() && info.encrypt && info.state != TokenInfo::State::Unregister) {
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result.push_back(info.encryption_key);
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}
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}
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return result;
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}
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string DeviceTokenManager::get_database_key(int32 token_type) {
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return PSTRING() << "device_token" << token_type;
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}
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void DeviceTokenManager::start_up() {
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for (int32 token_type = 1; token_type < TokenType::SIZE; token_type++) {
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auto serialized = G()->td_db()->get_binlog_pmc()->get(get_database_key(token_type));
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if (serialized.empty()) {
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continue;
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}
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auto &token = tokens_[token_type];
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char c = serialized[0];
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if (c == '*') {
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unserialize(token, serialized.substr(1)).ensure();
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} else {
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// legacy
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if (c == '+') {
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token.state = TokenInfo::State::Register;
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} else if (c == '-') {
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token.state = TokenInfo::State::Unregister;
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} else if (c == '=') {
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token.state = TokenInfo::State::Sync;
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} else {
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LOG(ERROR) << "Invalid serialized TokenInfo: " << format::escaped(serialized);
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continue;
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}
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token.token = serialized.substr(1);
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}
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LOG(INFO) << "GET device token " << token_type << "--->" << tokens_[token_type];
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}
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loop();
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}
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void DeviceTokenManager::save_info(int32 token_type) {
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LOG(INFO) << "SET device token " << token_type << "--->" << tokens_[token_type];
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if (tokens_[token_type].token.empty()) {
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G()->td_db()->get_binlog_pmc()->erase(get_database_key(token_type));
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} else {
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G()->td_db()->get_binlog_pmc()->set(get_database_key(token_type), "*" + serialize(tokens_[token_type]));
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}
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sync_cnt_++;
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G()->td_db()->get_binlog_pmc()->force_sync(
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PromiseCreator::event(self_closure(this, &DeviceTokenManager::dec_sync_cnt)));
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}
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void DeviceTokenManager::dec_sync_cnt() {
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sync_cnt_--;
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loop();
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}
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void DeviceTokenManager::loop() {
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if (sync_cnt_ != 0) {
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return;
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}
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for (int32 token_type = 1; token_type < TokenType::SIZE; token_type++) {
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auto &info = tokens_[token_type];
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if (info.state == TokenInfo::State::Sync) {
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continue;
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}
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if (info.net_query_id != 0) {
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continue;
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}
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// have to send query
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NetQueryPtr net_query;
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auto other_user_ids = info.other_user_ids;
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if (info.state == TokenInfo::State::Unregister) {
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net_query = G()->net_query_creator().create(
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create_storer(telegram_api::account_unregisterDevice(token_type, info.token, std::move(other_user_ids))));
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} else {
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net_query = G()->net_query_creator().create(create_storer(telegram_api::account_registerDevice(
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token_type, info.token, info.is_app_sandbox, BufferSlice(info.encryption_key), std::move(other_user_ids))));
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}
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info.net_query_id = net_query->id();
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G()->net_query_dispatcher().dispatch_with_callback(std::move(net_query), actor_shared(this, token_type));
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}
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}
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void DeviceTokenManager::on_result(NetQueryPtr net_query) {
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auto token_type = static_cast<TokenType>(get_link_token());
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CHECK(token_type >= 1 && token_type < TokenType::SIZE);
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auto &info = tokens_[token_type];
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if (info.net_query_id != net_query->id()) {
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net_query->clear();
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return;
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}
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info.net_query_id = 0;
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static_assert(std::is_same<telegram_api::account_registerDevice::ReturnType,
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telegram_api::account_unregisterDevice::ReturnType>::value,
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"");
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auto r_flag = fetch_result<telegram_api::account_registerDevice>(std::move(net_query));
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info.net_query_id = 0;
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if (r_flag.is_ok() && r_flag.ok()) {
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if (info.promise) {
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info.promise.set_value(make_tl_object<td_api::ok>());
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}
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if (info.state == TokenInfo::State::Unregister) {
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info.token.clear();
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}
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info.state = TokenInfo::State::Sync;
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} else {
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if (info.promise) {
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if (r_flag.is_error()) {
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info.promise.set_error(r_flag.error().clone());
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} else {
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info.promise.set_error(Status::Error(5, "Got false as result"));
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}
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}
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if (info.state == TokenInfo::State::Register) {
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info.state = TokenInfo::State::Unregister;
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} else {
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info.state = TokenInfo::State::Sync;
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info.token.clear();
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}
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if (r_flag.is_error()) {
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LOG(ERROR) << r_flag.error();
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}
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}
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save_info(token_type);
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}
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} // namespace td
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