532 lines
23 KiB
C++
532 lines
23 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/SecureValue.h"
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#include "td/telegram/files/FileManager.h"
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#include "td/telegram/td_api.h"
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#include "td/telegram/telegram_api.h"
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#include "td/telegram/telegram_api.hpp"
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#include "td/utils/misc.h"
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#include "td/utils/overloaded.h"
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namespace td {
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SecureValueType get_secure_value_type(tl_object_ptr<telegram_api::SecureValueType> &&secure_value_type) {
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CHECK(secure_value_type != nullptr);
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switch (secure_value_type->get_id()) {
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case telegram_api::secureValueTypePersonalDetails::ID:
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return SecureValueType::PersonalDetails;
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case telegram_api::secureValueTypePassport::ID:
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return SecureValueType::Passport;
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case telegram_api::secureValueTypeDriverLicense::ID:
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return SecureValueType::DriverLicense;
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case telegram_api::secureValueTypeIdentityCard::ID:
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return SecureValueType::IdentityCard;
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case telegram_api::secureValueTypeAddress::ID:
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return SecureValueType::Address;
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case telegram_api::secureValueTypeUtilityBill::ID:
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return SecureValueType::UtilityBill;
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case telegram_api::secureValueTypeBankStatement::ID:
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return SecureValueType::BankStatement;
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case telegram_api::secureValueTypeRentalAgreement::ID:
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return SecureValueType::RentalAgreement;
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case telegram_api::secureValueTypePhone::ID:
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return SecureValueType::PhoneNumber;
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case telegram_api::secureValueTypeEmail::ID:
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return SecureValueType::EmailAddress;
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default:
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UNREACHABLE();
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return SecureValueType::None;
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}
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}
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SecureValueType get_secure_value_type_td_api(tl_object_ptr<td_api::PassportDataType> &&passport_data_type) {
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CHECK(passport_data_type != nullptr);
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switch (passport_data_type->get_id()) {
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case td_api::passportDataTypePersonalDetails::ID:
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return SecureValueType::PersonalDetails;
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case td_api::passportDataTypePassport::ID:
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return SecureValueType::Passport;
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case td_api::passportDataTypeDriverLicense::ID:
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return SecureValueType::DriverLicense;
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case td_api::passportDataTypeIdentityCard::ID:
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return SecureValueType::IdentityCard;
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case td_api::passportDataTypeAddress::ID:
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return SecureValueType::Address;
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case td_api::passportDataTypeUtilityBill::ID:
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return SecureValueType::UtilityBill;
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case td_api::passportDataTypeBankStatement::ID:
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return SecureValueType::BankStatement;
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case td_api::passportDataTypeRentalAgreement::ID:
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return SecureValueType::RentalAgreement;
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case td_api::passportDataTypePhoneNumber::ID:
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return SecureValueType::PhoneNumber;
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case td_api::passportDataTypeEmailAddress::ID:
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return SecureValueType::EmailAddress;
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default:
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UNREACHABLE();
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return SecureValueType::None;
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}
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}
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vector<SecureValueType> get_secure_value_types(
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vector<tl_object_ptr<telegram_api::SecureValueType>> &&secure_value_types) {
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return transform(std::move(secure_value_types), get_secure_value_type);
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}
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td_api::object_ptr<td_api::PassportDataType> get_passport_data_type_object(SecureValueType type) {
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switch (type) {
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case SecureValueType::PersonalDetails:
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return td_api::make_object<td_api::passportDataTypePersonalDetails>();
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case SecureValueType::Passport:
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return td_api::make_object<td_api::passportDataTypePassport>();
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case SecureValueType::DriverLicense:
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return td_api::make_object<td_api::passportDataTypeDriverLicense>();
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case SecureValueType::IdentityCard:
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return td_api::make_object<td_api::passportDataTypeIdentityCard>();
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case SecureValueType::Address:
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return td_api::make_object<td_api::passportDataTypeAddress>();
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case SecureValueType::UtilityBill:
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return td_api::make_object<td_api::passportDataTypeUtilityBill>();
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case SecureValueType::BankStatement:
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return td_api::make_object<td_api::passportDataTypeBankStatement>();
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case SecureValueType::RentalAgreement:
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return td_api::make_object<td_api::passportDataTypeRentalAgreement>();
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case SecureValueType::PhoneNumber:
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return td_api::make_object<td_api::passportDataTypePhoneNumber>();
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case SecureValueType::EmailAddress:
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return td_api::make_object<td_api::passportDataTypeEmailAddress>();
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case SecureValueType::None:
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default:
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UNREACHABLE();
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return nullptr;
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}
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}
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td_api::object_ptr<telegram_api::SecureValueType> get_secure_value_type_telegram_object(SecureValueType type) {
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switch (type) {
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case SecureValueType::PersonalDetails:
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return telegram_api::make_object<telegram_api::secureValueTypePersonalDetails>();
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case SecureValueType::Passport:
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return telegram_api::make_object<telegram_api::secureValueTypePassport>();
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case SecureValueType::DriverLicense:
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return telegram_api::make_object<telegram_api::secureValueTypeDriverLicense>();
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case SecureValueType::IdentityCard:
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return telegram_api::make_object<telegram_api::secureValueTypeIdentityCard>();
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case SecureValueType::Address:
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return telegram_api::make_object<telegram_api::secureValueTypeAddress>();
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case SecureValueType::UtilityBill:
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return telegram_api::make_object<telegram_api::secureValueTypeUtilityBill>();
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case SecureValueType::BankStatement:
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return telegram_api::make_object<telegram_api::secureValueTypeBankStatement>();
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case SecureValueType::RentalAgreement:
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return telegram_api::make_object<telegram_api::secureValueTypeRentalAgreement>();
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case SecureValueType::PhoneNumber:
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return telegram_api::make_object<telegram_api::secureValueTypePhone>();
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case SecureValueType::EmailAddress:
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return telegram_api::make_object<telegram_api::secureValueTypeEmail>();
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case SecureValueType::None:
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default:
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UNREACHABLE();
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return nullptr;
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}
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}
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vector<td_api::object_ptr<td_api::PassportDataType>> get_passport_data_types_object(
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const vector<SecureValueType> &types) {
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return transform(types, get_passport_data_type_object);
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}
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bool operator==(const EncryptedSecureFile &lhs, const EncryptedSecureFile &rhs) {
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return lhs.file_id == rhs.file_id && lhs.file_hash == rhs.file_hash && lhs.encrypted_secret == rhs.encrypted_secret;
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}
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bool operator!=(const EncryptedSecureFile &lhs, const EncryptedSecureFile &rhs) {
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return !(lhs == rhs);
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}
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EncryptedSecureFile get_secure_file(FileManager *file_manager,
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tl_object_ptr<telegram_api::SecureFile> &&secure_file_ptr) {
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CHECK(secure_file_ptr != nullptr);
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EncryptedSecureFile result;
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switch (secure_file_ptr->get_id()) {
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case telegram_api::secureFileEmpty::ID:
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break;
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case telegram_api::secureFile::ID: {
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auto secure_file = telegram_api::move_object_as<telegram_api::secureFile>(secure_file_ptr);
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auto dc_id = secure_file->dc_id_;
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if (!DcId::is_valid(dc_id)) {
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LOG(ERROR) << "Wrong dc_id = " << dc_id;
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break;
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}
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result.file_id = file_manager->register_remote(
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FullRemoteFileLocation(FileType::Secure, secure_file->id_, secure_file->access_hash_, DcId::internal(dc_id)),
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FileLocationSource::FromServer, {}, 0, 0, "");
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result.encrypted_secret = secure_file->secret_.as_slice().str();
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result.file_hash = secure_file->file_hash_.as_slice().str();
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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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return result;
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}
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vector<EncryptedSecureFile> get_secure_files(FileManager *file_manager,
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vector<tl_object_ptr<telegram_api::SecureFile>> &&secure_files) {
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vector<EncryptedSecureFile> results;
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results.reserve(secure_files.size());
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for (auto &secure_file : secure_files) {
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auto result = get_secure_file(file_manager, std::move(secure_file));
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if (result.file_id.is_valid()) {
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results.push_back(std::move(result));
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}
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}
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return results;
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}
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telegram_api::object_ptr<telegram_api::InputSecureFile> get_input_secure_file_object(FileManager *file_manager,
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const EncryptedSecureFile &file,
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SecureInputFile &input_file) {
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CHECK(file_manager->get_file_view(file.file_id).file_id() ==
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file_manager->get_file_view(input_file.file_id).file_id());
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auto res = std::move(input_file.input_file);
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if (res == nullptr) {
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return file_manager->get_file_view(file.file_id).remote_location().as_input_secure_file();
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}
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telegram_api::downcast_call(*res, overloaded(
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[&](telegram_api::inputSecureFileUploaded &uploaded) {
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uploaded.secret_ = BufferSlice(file.encrypted_secret);
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uploaded.file_hash_ = BufferSlice(file.file_hash);
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},
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[&](telegram_api::inputSecureFile &) { UNREACHABLE(); }));
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return res;
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}
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td_api::object_ptr<td_api::file> get_encrypted_file_object(FileManager *file_manager, const EncryptedSecureFile &file) {
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auto file_view = file_manager->get_file_view(file.file_id);
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auto file_id = file_manager->register_remote(
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FullRemoteFileLocation(FileType::SecureRaw, file_view.remote_location().get_id(),
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file_view.remote_location().get_access_hash(), file_view.remote_location().get_dc_id()),
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FileLocationSource::FromServer, {}, 0, 0, "");
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return file_manager->get_file_object(file_id);
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}
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vector<td_api::object_ptr<td_api::file>> get_encrypted_files_object(FileManager *file_manager,
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const vector<EncryptedSecureFile> &files) {
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return transform(
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files, [file_manager](const EncryptedSecureFile &file) { return get_encrypted_file_object(file_manager, file); });
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}
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vector<telegram_api::object_ptr<telegram_api::InputSecureFile>> get_input_secure_files_object(
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FileManager *file_manager, const vector<EncryptedSecureFile> &files, vector<SecureInputFile> &input_files) {
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CHECK(files.size() == input_files.size());
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vector<telegram_api::object_ptr<telegram_api::InputSecureFile>> res;
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res.resize(files.size());
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for (size_t i = 0; i < files.size(); i++) {
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res[i] = get_input_secure_file_object(file_manager, files[i], input_files[i]);
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}
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LOG(ERROR) << res.size();
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return res;
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}
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bool operator==(const EncryptedSecureData &lhs, const EncryptedSecureData &rhs) {
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return lhs.data == rhs.data && lhs.hash == rhs.hash && lhs.encrypted_secret == rhs.encrypted_secret;
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}
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bool operator!=(const EncryptedSecureData &lhs, const EncryptedSecureData &rhs) {
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return !(lhs == rhs);
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}
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EncryptedSecureData get_secure_data(tl_object_ptr<telegram_api::secureData> &&secure_data) {
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CHECK(secure_data != nullptr);
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EncryptedSecureData result;
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result.data = secure_data->data_.as_slice().str();
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result.hash = secure_data->data_hash_.as_slice().str();
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result.encrypted_secret = secure_data->secret_.as_slice().str();
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return result;
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}
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telegram_api::object_ptr<telegram_api::secureData> get_secure_data_object(const EncryptedSecureData &data) {
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return telegram_api::make_object<telegram_api::secureData>(BufferSlice(data.data), BufferSlice(data.hash),
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BufferSlice(data.encrypted_secret));
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}
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bool operator==(const EncryptedSecureValue &lhs, const EncryptedSecureValue &rhs) {
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return lhs.type == rhs.type && lhs.data == rhs.data && lhs.files == rhs.files && lhs.selfie == rhs.selfie;
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}
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bool operator!=(const EncryptedSecureValue &lhs, const EncryptedSecureValue &rhs) {
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return !(lhs == rhs);
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}
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EncryptedSecureValue get_encrypted_secure_value(FileManager *file_manager,
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tl_object_ptr<telegram_api::secureValue> &&secure_value) {
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EncryptedSecureValue result;
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CHECK(secure_value != nullptr);
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result.type = get_secure_value_type(std::move(secure_value->type_));
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if (secure_value->plain_data_ != nullptr) {
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switch (secure_value->plain_data_->get_id()) {
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case telegram_api::securePlainPhone::ID:
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result.data.data =
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std::move(static_cast<telegram_api::securePlainPhone *>(secure_value->plain_data_.get())->phone_);
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break;
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case telegram_api::securePlainEmail::ID:
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result.data.data =
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std::move(static_cast<telegram_api::securePlainEmail *>(secure_value->plain_data_.get())->email_);
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break;
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default:
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UNREACHABLE();
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}
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}
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if (secure_value->data_ != nullptr) {
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result.data = get_secure_data(std::move(secure_value->data_));
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}
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result.files = get_secure_files(file_manager, std::move(secure_value->files_));
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if (secure_value->selfie_ != nullptr) {
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result.selfie = get_secure_file(file_manager, std::move(secure_value->selfie_));
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}
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return result;
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}
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vector<EncryptedSecureValue> get_encrypted_secure_values(
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FileManager *file_manager, vector<tl_object_ptr<telegram_api::secureValue>> &&secure_values) {
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return transform(std::move(secure_values), [file_manager](tl_object_ptr<telegram_api::secureValue> &&secure_value) {
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return get_encrypted_secure_value(file_manager, std::move(secure_value));
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});
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}
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td_api::object_ptr<td_api::encryptedPassportData> get_encrypted_passport_data_object(
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FileManager *file_manager, const EncryptedSecureValue &value) {
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bool is_plain = value.data.hash.empty();
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return td_api::make_object<td_api::encryptedPassportData>(
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get_passport_data_type_object(value.type), is_plain ? string() : value.data.data,
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get_encrypted_files_object(file_manager, value.files), is_plain ? value.data.data : string(),
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get_encrypted_file_object(file_manager, value.selfie));
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}
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telegram_api::object_ptr<telegram_api::inputSecureValue> get_input_secure_value_object(
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FileManager *file_manager, const EncryptedSecureValue &value, std::vector<SecureInputFile> &input_files,
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optional<SecureInputFile> &selfie) {
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bool is_plain = value.type == SecureValueType::PhoneNumber || value.type == SecureValueType::EmailAddress;
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bool has_selfie = value.selfie.file_id.is_valid();
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int32 flags = 0;
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tl_object_ptr<telegram_api::SecurePlainData> plain_data;
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if (is_plain) {
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if (value.type == SecureValueType::PhoneNumber) {
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plain_data = make_tl_object<telegram_api::securePlainPhone>(value.data.data);
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} else {
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plain_data = make_tl_object<telegram_api::securePlainEmail>(value.data.data);
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}
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flags |= telegram_api::inputSecureValue::PLAIN_DATA_MASK;
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} else {
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flags |= telegram_api::inputSecureValue::DATA_MASK;
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}
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if (!value.files.empty()) {
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flags |= telegram_api::inputSecureValue::FILES_MASK;
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}
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if (has_selfie) {
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flags |= telegram_api::inputSecureValue::SELFIE_MASK;
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CHECK(selfie);
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}
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return telegram_api::make_object<telegram_api::inputSecureValue>(
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flags, get_secure_value_type_telegram_object(value.type), is_plain ? nullptr : get_secure_data_object(value.data),
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get_input_secure_files_object(file_manager, value.files, input_files), std::move(plain_data),
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has_selfie ? get_input_secure_file_object(file_manager, value.selfie, *selfie) : nullptr);
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}
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vector<td_api::object_ptr<td_api::encryptedPassportData>> get_encrypted_passport_data_object(
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FileManager *file_manager, const vector<EncryptedSecureValue> &values) {
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return transform(values, [file_manager](const EncryptedSecureValue &value) {
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return get_encrypted_passport_data_object(file_manager, value);
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});
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}
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bool operator==(const SecureCredentials &lhs, const SecureCredentials &rhs) {
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return lhs.data == rhs.data && lhs.hash == rhs.hash && lhs.encrypted_secret == rhs.encrypted_secret;
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}
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bool operator!=(const SecureCredentials &lhs, const SecureCredentials &rhs) {
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return !(lhs == rhs);
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}
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SecureCredentials get_secure_credentials(tl_object_ptr<telegram_api::secureCredentialsEncrypted> &&credentials) {
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CHECK(credentials != nullptr);
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SecureCredentials result;
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result.data = credentials->data_.as_slice().str();
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result.hash = credentials->hash_.as_slice().str();
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result.encrypted_secret = credentials->secret_.as_slice().str();
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return result;
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}
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td_api::object_ptr<td_api::encryptedCredentials> get_encrypted_credentials_object(
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const SecureCredentials &credentials) {
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return td_api::make_object<td_api::encryptedCredentials>(credentials.data, credentials.hash,
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credentials.encrypted_secret);
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}
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Result<SecureValue> get_secure_value(FileManager *file_manager,
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td_api::object_ptr<td_api::inputPassportData> &&input_passport_data) {
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if (input_passport_data == nullptr) {
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return Status::Error(400, "InputPassportData must not be empty");
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}
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SecureValue res;
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res.type = get_secure_value_type_td_api(std::move(input_passport_data->type_));
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res.data = std::move(input_passport_data->data_);
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for (auto &file : input_passport_data->files_) {
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TRY_RESULT(file_id, file_manager->get_input_file_id(FileType::Secure, std::move(file), DialogId{}, false, false,
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false, true));
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res.files.push_back(file_id);
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}
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if (input_passport_data->selfie_) {
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TRY_RESULT(file_id, file_manager->get_input_file_id(FileType::Secure, std::move(input_passport_data->selfie_),
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DialogId{}, false, false, false, true));
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res.selfie = file_id;
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}
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return res;
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}
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td_api::object_ptr<td_api::passportData> get_passport_data_object(FileManager *file_manager, const SecureValue &value) {
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std::vector<td_api::object_ptr<td_api::file>> files;
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files = transform(value.files, [&](FileId id) { return file_manager->get_file_object(id, true); });
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td_api::object_ptr<td_api::file> selfie;
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if (value.selfie.is_valid()) {
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selfie = file_manager->get_file_object(value.selfie, true);
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}
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return td_api::make_object<td_api::passportData>(get_passport_data_type_object(value.type), value.data,
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std::move(files), std::move(selfie));
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}
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Result<FileId> decrypt_secure_file(FileManager *file_manager, const secure_storage::Secret &master_secret,
|
|
const EncryptedSecureFile &secure_file) {
|
|
if (!secure_file.file_id.is_valid()) {
|
|
return secure_file.file_id;
|
|
}
|
|
TRY_RESULT(hash, secure_storage::ValueHash::create(secure_file.file_hash));
|
|
TRY_RESULT(encrypted_secret, secure_storage::EncryptedSecret::create(secure_file.encrypted_secret));
|
|
TRY_RESULT(secret, encrypted_secret.decrypt(PSLICE() << master_secret.as_slice() << hash.as_slice()));
|
|
FileEncryptionKey key{secret};
|
|
key.set_value_hash(hash);
|
|
file_manager->set_encryption_key(secure_file.file_id, std::move(key));
|
|
return secure_file.file_id;
|
|
}
|
|
|
|
Result<vector<FileId>> decrypt_secure_files(FileManager *file_manager, const secure_storage::Secret &secret,
|
|
const vector<EncryptedSecureFile> &secure_files) {
|
|
vector<FileId> res;
|
|
res.reserve(secure_files.size());
|
|
for (auto &file : secure_files) {
|
|
TRY_RESULT(decrypted_file, decrypt_secure_file(file_manager, secret, file));
|
|
res.push_back(decrypted_file);
|
|
}
|
|
|
|
return std::move(res);
|
|
}
|
|
Result<string> decrypt_secure_data(const secure_storage::Secret &master_secret,
|
|
const EncryptedSecureData &secure_data) {
|
|
TRY_RESULT(hash, secure_storage::ValueHash::create(secure_data.hash));
|
|
TRY_RESULT(encrypted_secret, secure_storage::EncryptedSecret::create(secure_data.encrypted_secret));
|
|
TRY_RESULT(secret, encrypted_secret.decrypt(PSLICE() << master_secret.as_slice() << hash.as_slice()));
|
|
TRY_RESULT(value, secure_storage::decrypt_value(secret, hash, secure_data.data));
|
|
return value.as_slice().str();
|
|
}
|
|
|
|
Result<SecureValue> decrypt_encrypted_secure_value(FileManager *file_manager, const secure_storage::Secret &secret,
|
|
const EncryptedSecureValue &encrypted_secure_value) {
|
|
SecureValue res;
|
|
res.type = encrypted_secure_value.type;
|
|
switch (encrypted_secure_value.type) {
|
|
case SecureValueType::EmailAddress:
|
|
case SecureValueType::PhoneNumber:
|
|
res.data = encrypted_secure_value.data.data;
|
|
break;
|
|
default: {
|
|
TRY_RESULT(data, decrypt_secure_data(secret, encrypted_secure_value.data));
|
|
res.data = std::move(data);
|
|
TRY_RESULT(files, decrypt_secure_files(file_manager, secret, encrypted_secure_value.files));
|
|
res.files = std::move(files);
|
|
TRY_RESULT(selfie, decrypt_secure_file(file_manager, secret, encrypted_secure_value.selfie));
|
|
res.selfie = std::move(selfie);
|
|
break;
|
|
}
|
|
}
|
|
return std::move(res);
|
|
}
|
|
|
|
EncryptedSecureFile encrypt_secure_file(FileManager *file_manager, const secure_storage::Secret &master_secret,
|
|
FileId file, string &to_hash) {
|
|
auto file_view = file_manager->get_file_view(file);
|
|
if (file_view.empty()) {
|
|
return {};
|
|
}
|
|
if (!file_view.encryption_key().is_secure()) {
|
|
LOG(ERROR) << "File has no encryption key";
|
|
return {};
|
|
}
|
|
if (!file_view.encryption_key().has_value_hash()) {
|
|
LOG(ERROR) << "File has no hash";
|
|
return {};
|
|
}
|
|
auto value_hash = file_view.encryption_key().value_hash();
|
|
auto secret = file_view.encryption_key().secret();
|
|
EncryptedSecureFile res;
|
|
res.file_id = file;
|
|
res.file_hash = value_hash.as_slice().str();
|
|
res.encrypted_secret = secret.encrypt(PSLICE() << master_secret.as_slice() << value_hash.as_slice()).as_slice().str();
|
|
|
|
to_hash.append(res.file_hash);
|
|
to_hash.append(secret.as_slice().str());
|
|
return res;
|
|
}
|
|
|
|
vector<EncryptedSecureFile> encrypt_secure_files(FileManager *file_manager, const secure_storage::Secret &master_secret,
|
|
vector<FileId> files, string &to_hash) {
|
|
return transform(files,
|
|
[&](auto file_id) { return encrypt_secure_file(file_manager, master_secret, file_id, to_hash); });
|
|
}
|
|
|
|
EncryptedSecureData encrypt_secure_data(const secure_storage::Secret &master_secret, Slice data, string &to_hash) {
|
|
namespace ss = secure_storage;
|
|
auto secret = secure_storage::Secret::create_new();
|
|
auto encrypted = encrypt_value(secret, data).move_as_ok();
|
|
EncryptedSecureData res;
|
|
res.encrypted_secret =
|
|
secret.encrypt(PSLICE() << master_secret.as_slice() << encrypted.hash.as_slice()).as_slice().str();
|
|
res.data = encrypted.data.as_slice().str();
|
|
res.hash = encrypted.hash.as_slice().str();
|
|
to_hash.append(res.hash);
|
|
to_hash.append(secret.as_slice().str());
|
|
return res;
|
|
}
|
|
|
|
EncryptedSecureValue encrypt_secure_value(FileManager *file_manager, const secure_storage::Secret &master_secret,
|
|
const SecureValue &secure_value) {
|
|
EncryptedSecureValue res;
|
|
res.type = secure_value.type;
|
|
switch (res.type) {
|
|
case SecureValueType::EmailAddress:
|
|
case SecureValueType::PhoneNumber:
|
|
res.data = EncryptedSecureData{secure_value.data, "", ""};
|
|
res.hash = secure_storage::calc_value_hash(secure_value.data).as_slice().str();
|
|
break;
|
|
default: {
|
|
string to_hash;
|
|
res.data = encrypt_secure_data(master_secret, secure_value.data, to_hash);
|
|
res.files = encrypt_secure_files(file_manager, master_secret, secure_value.files, to_hash);
|
|
res.selfie = encrypt_secure_file(file_manager, master_secret, secure_value.selfie, to_hash);
|
|
res.hash = secure_storage::calc_value_hash(to_hash).as_slice().str();
|
|
break;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
} // namespace td
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