tdlight/td/telegram/SecureValue.cpp
levlam 93db75293d Various fixes.
GitOrigin-RevId: e3a710c085e465c44c850db0b41fae19061c2dc5
2018-04-06 16:26:32 +03:00

526 lines
23 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// 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/SecureValue.h"
#include "td/telegram/files/FileManager.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/telegram_api.hpp"
#include "td/utils/misc.h"
#include "td/utils/overloaded.h"
namespace td {
SecureValueType get_secure_value_type(tl_object_ptr<telegram_api::SecureValueType> &&secure_value_type) {
CHECK(secure_value_type != nullptr);
switch (secure_value_type->get_id()) {
case telegram_api::secureValueTypePersonalDetails::ID:
return SecureValueType::PersonalDetails;
case telegram_api::secureValueTypePassport::ID:
return SecureValueType::Passport;
case telegram_api::secureValueTypeDriverLicense::ID:
return SecureValueType::DriverLicense;
case telegram_api::secureValueTypeIdentityCard::ID:
return SecureValueType::IdentityCard;
case telegram_api::secureValueTypeAddress::ID:
return SecureValueType::Address;
case telegram_api::secureValueTypeUtilityBill::ID:
return SecureValueType::UtilityBill;
case telegram_api::secureValueTypeBankStatement::ID:
return SecureValueType::BankStatement;
case telegram_api::secureValueTypeRentalAgreement::ID:
return SecureValueType::RentalAgreement;
case telegram_api::secureValueTypePhone::ID:
return SecureValueType::PhoneNumber;
case telegram_api::secureValueTypeEmail::ID:
return SecureValueType::EmailAddress;
default:
UNREACHABLE();
return SecureValueType::None;
}
}
SecureValueType get_secure_value_type_td_api(tl_object_ptr<td_api::PassportDataType> &&passport_data_type) {
CHECK(passport_data_type != nullptr);
switch (passport_data_type->get_id()) {
case td_api::passportDataTypePersonalDetails::ID:
return SecureValueType::PersonalDetails;
case td_api::passportDataTypePassport::ID:
return SecureValueType::Passport;
case td_api::passportDataTypeDriverLicense::ID:
return SecureValueType::DriverLicense;
case td_api::passportDataTypeIdentityCard::ID:
return SecureValueType::IdentityCard;
case td_api::passportDataTypeAddress::ID:
return SecureValueType::Address;
case td_api::passportDataTypeUtilityBill::ID:
return SecureValueType::UtilityBill;
case td_api::passportDataTypeBankStatement::ID:
return SecureValueType::BankStatement;
case td_api::passportDataTypeRentalAgreement::ID:
return SecureValueType::RentalAgreement;
case td_api::passportDataTypePhoneNumber::ID:
return SecureValueType::PhoneNumber;
case td_api::passportDataTypeEmailAddress::ID:
return SecureValueType::EmailAddress;
default:
UNREACHABLE();
return SecureValueType::None;
}
}
vector<SecureValueType> get_secure_value_types(
vector<tl_object_ptr<telegram_api::SecureValueType>> &&secure_value_types) {
return transform(std::move(secure_value_types), get_secure_value_type);
}
td_api::object_ptr<td_api::PassportDataType> get_passport_data_type_object(SecureValueType type) {
switch (type) {
case SecureValueType::PersonalDetails:
return td_api::make_object<td_api::passportDataTypePersonalDetails>();
case SecureValueType::Passport:
return td_api::make_object<td_api::passportDataTypePassport>();
case SecureValueType::DriverLicense:
return td_api::make_object<td_api::passportDataTypeDriverLicense>();
case SecureValueType::IdentityCard:
return td_api::make_object<td_api::passportDataTypeIdentityCard>();
case SecureValueType::Address:
return td_api::make_object<td_api::passportDataTypeAddress>();
case SecureValueType::UtilityBill:
return td_api::make_object<td_api::passportDataTypeUtilityBill>();
case SecureValueType::BankStatement:
return td_api::make_object<td_api::passportDataTypeBankStatement>();
case SecureValueType::RentalAgreement:
return td_api::make_object<td_api::passportDataTypeRentalAgreement>();
case SecureValueType::PhoneNumber:
return td_api::make_object<td_api::passportDataTypePhoneNumber>();
case SecureValueType::EmailAddress:
return td_api::make_object<td_api::passportDataTypeEmailAddress>();
case SecureValueType::None:
default:
UNREACHABLE();
return nullptr;
}
}
td_api::object_ptr<telegram_api::SecureValueType> get_secure_value_type_telegram_object(SecureValueType type) {
switch (type) {
case SecureValueType::PersonalDetails:
return telegram_api::make_object<telegram_api::secureValueTypePersonalDetails>();
case SecureValueType::Passport:
return telegram_api::make_object<telegram_api::secureValueTypePassport>();
case SecureValueType::DriverLicense:
return telegram_api::make_object<telegram_api::secureValueTypeDriverLicense>();
case SecureValueType::IdentityCard:
return telegram_api::make_object<telegram_api::secureValueTypeIdentityCard>();
case SecureValueType::Address:
return telegram_api::make_object<telegram_api::secureValueTypeAddress>();
case SecureValueType::UtilityBill:
return telegram_api::make_object<telegram_api::secureValueTypeUtilityBill>();
case SecureValueType::BankStatement:
return telegram_api::make_object<telegram_api::secureValueTypeBankStatement>();
case SecureValueType::RentalAgreement:
return telegram_api::make_object<telegram_api::secureValueTypeRentalAgreement>();
case SecureValueType::PhoneNumber:
return telegram_api::make_object<telegram_api::secureValueTypePhone>();
case SecureValueType::EmailAddress:
return telegram_api::make_object<telegram_api::secureValueTypeEmail>();
case SecureValueType::None:
default:
UNREACHABLE();
return nullptr;
}
}
vector<td_api::object_ptr<td_api::PassportDataType>> get_passport_data_types_object(
const vector<SecureValueType> &types) {
return transform(types, get_passport_data_type_object);
}
bool operator==(const SecureFile &lhs, const SecureFile &rhs) {
return lhs.file_id == rhs.file_id && lhs.file_hash == rhs.file_hash && lhs.encrypted_secret == rhs.encrypted_secret;
}
bool operator!=(const SecureFile &lhs, const SecureFile &rhs) {
return !(lhs == rhs);
}
SecureFile get_secure_file(FileManager *file_manager, tl_object_ptr<telegram_api::SecureFile> &&secure_file_ptr) {
CHECK(secure_file_ptr != nullptr);
SecureFile result;
switch (secure_file_ptr->get_id()) {
case telegram_api::secureFileEmpty::ID:
break;
case telegram_api::secureFile::ID: {
auto secure_file = telegram_api::move_object_as<telegram_api::secureFile>(secure_file_ptr);
auto dc_id = secure_file->dc_id_;
if (!DcId::is_valid(dc_id)) {
LOG(ERROR) << "Wrong dc_id = " << dc_id;
break;
}
result.file_id = file_manager->register_remote(
FullRemoteFileLocation(FileType::Secure, secure_file->id_, secure_file->access_hash_, DcId::internal(dc_id)),
FileLocationSource::FromServer, {}, 0, 0, "");
result.encrypted_secret = secure_file->secret_.as_slice().str();
result.file_hash = secure_file->file_hash_.as_slice().str();
break;
}
default:
UNREACHABLE();
}
return result;
}
vector<SecureFile> get_secure_files(FileManager *file_manager,
vector<tl_object_ptr<telegram_api::SecureFile>> &&secure_files) {
vector<SecureFile> results;
results.reserve(secure_files.size());
for (auto &secure_file : secure_files) {
auto result = get_secure_file(file_manager, std::move(secure_file));
if (result.file_id.is_valid()) {
results.push_back(std::move(result));
}
}
return results;
}
telegram_api::object_ptr<telegram_api::InputSecureFile> get_input_secure_file_object(FileManager *file_manager,
const SecureFile &file,
SecureInputFile &input_file) {
CHECK(file_manager->get_file_view(file.file_id).file_id() ==
file_manager->get_file_view(input_file.file_id).file_id());
auto res = std::move(input_file.input_file);
if (res == nullptr) {
return file_manager->get_file_view(file.file_id).remote_location().as_input_secure_file();
}
telegram_api::downcast_call(*res, overloaded(
[&](telegram_api::inputSecureFileUploaded &uploaded) {
uploaded.secret_ = BufferSlice(file.encrypted_secret);
uploaded.file_hash_ = BufferSlice(file.file_hash);
},
[&](telegram_api::inputSecureFile &) { UNREACHABLE(); }));
return res;
}
td_api::object_ptr<td_api::file> get_encrypted_file_object(FileManager *file_manager, const SecureFile &file) {
auto file_view = file_manager->get_file_view(file.file_id);
auto file_id = file_manager->register_remote(
FullRemoteFileLocation(FileType::SecureRaw, file_view.remote_location().get_id(),
file_view.remote_location().get_access_hash(), file_view.remote_location().get_dc_id()),
FileLocationSource::FromServer, {}, 0, 0, "");
return file_manager->get_file_object(file_id);
}
vector<td_api::object_ptr<td_api::file>> get_encrypted_files_object(FileManager *file_manager,
const vector<SecureFile> &files) {
return transform(files,
[file_manager](const SecureFile &file) { return get_encrypted_file_object(file_manager, file); });
}
vector<telegram_api::object_ptr<telegram_api::InputSecureFile>> get_input_secure_files_object(
FileManager *file_manager, const vector<SecureFile> &files, vector<SecureInputFile> &input_files) {
CHECK(files.size() == input_files.size());
vector<telegram_api::object_ptr<telegram_api::InputSecureFile>> res;
res.resize(files.size());
for (size_t i = 0; i < files.size(); i++) {
res[i] = get_input_secure_file_object(file_manager, files[i], input_files[i]);
}
LOG(ERROR) << res.size();
return res;
}
bool operator==(const SecureData &lhs, const SecureData &rhs) {
return lhs.data == rhs.data && lhs.hash == rhs.hash && lhs.encrypted_secret == rhs.encrypted_secret;
}
bool operator!=(const SecureData &lhs, const SecureData &rhs) {
return !(lhs == rhs);
}
SecureData get_secure_data(tl_object_ptr<telegram_api::secureData> &&secure_data) {
CHECK(secure_data != nullptr);
SecureData result;
result.data = secure_data->data_.as_slice().str();
result.hash = secure_data->data_hash_.as_slice().str();
result.encrypted_secret = secure_data->secret_.as_slice().str();
return result;
}
telegram_api::object_ptr<telegram_api::secureData> get_secure_data_object(const SecureData &data) {
return telegram_api::make_object<telegram_api::secureData>(BufferSlice(data.data), BufferSlice(data.hash),
BufferSlice(data.encrypted_secret));
}
bool operator==(const EncryptedSecureValue &lhs, const EncryptedSecureValue &rhs) {
return lhs.type == rhs.type && lhs.data == rhs.data && lhs.files == rhs.files && lhs.selfie == rhs.selfie;
}
bool operator!=(const EncryptedSecureValue &lhs, const EncryptedSecureValue &rhs) {
return !(lhs == rhs);
}
EncryptedSecureValue get_encrypted_secure_value(FileManager *file_manager,
tl_object_ptr<telegram_api::secureValue> &&secure_value) {
EncryptedSecureValue result;
CHECK(secure_value != nullptr);
result.type = get_secure_value_type(std::move(secure_value->type_));
if (secure_value->plain_data_ != nullptr) {
switch (secure_value->plain_data_->get_id()) {
case telegram_api::securePlainPhone::ID:
result.data.data =
std::move(static_cast<telegram_api::securePlainPhone *>(secure_value->plain_data_.get())->phone_);
break;
case telegram_api::securePlainEmail::ID:
result.data.data =
std::move(static_cast<telegram_api::securePlainEmail *>(secure_value->plain_data_.get())->email_);
break;
default:
UNREACHABLE();
}
}
if (secure_value->data_ != nullptr) {
result.data = get_secure_data(std::move(secure_value->data_));
}
result.files = get_secure_files(file_manager, std::move(secure_value->files_));
if (secure_value->selfie_ != nullptr) {
result.selfie = get_secure_file(file_manager, std::move(secure_value->selfie_));
}
return result;
}
vector<EncryptedSecureValue> get_encrypted_secure_values(
FileManager *file_manager, vector<tl_object_ptr<telegram_api::secureValue>> &&secure_values) {
return transform(std::move(secure_values), [file_manager](tl_object_ptr<telegram_api::secureValue> &&secure_value) {
return get_encrypted_secure_value(file_manager, std::move(secure_value));
});
}
td_api::object_ptr<td_api::encryptedPassportData> get_encrypted_passport_data_object(
FileManager *file_manager, const EncryptedSecureValue &value) {
bool is_plain = value.data.hash.empty();
return td_api::make_object<td_api::encryptedPassportData>(
get_passport_data_type_object(value.type), is_plain ? string() : value.data.data,
get_encrypted_files_object(file_manager, value.files), is_plain ? value.data.data : string(),
get_encrypted_file_object(file_manager, value.selfie));
}
telegram_api::object_ptr<telegram_api::inputSecureValue> get_input_secure_value_object(
FileManager *file_manager, const EncryptedSecureValue &value, std::vector<SecureInputFile> &input_files,
optional<SecureInputFile> &selfie) {
bool is_plain = value.type == SecureValueType::PhoneNumber || value.type == SecureValueType::EmailAddress;
bool has_selfie = value.selfie.file_id.is_valid();
int32 flags = 0;
tl_object_ptr<telegram_api::SecurePlainData> plain_data;
if (is_plain) {
if (value.type == SecureValueType::PhoneNumber) {
plain_data = make_tl_object<telegram_api::securePlainPhone>(value.data.data);
} else {
plain_data = make_tl_object<telegram_api::securePlainEmail>(value.data.data);
}
flags |= telegram_api::inputSecureValue::PLAIN_DATA_MASK;
} else {
flags |= telegram_api::inputSecureValue::DATA_MASK;
}
if (!value.files.empty()) {
flags |= telegram_api::inputSecureValue::FILES_MASK;
}
if (has_selfie) {
flags |= telegram_api::inputSecureValue::SELFIE_MASK;
CHECK(selfie);
}
return telegram_api::make_object<telegram_api::inputSecureValue>(
flags, get_secure_value_type_telegram_object(value.type), is_plain ? nullptr : get_secure_data_object(value.data),
get_input_secure_files_object(file_manager, value.files, input_files), std::move(plain_data),
has_selfie ? get_input_secure_file_object(file_manager, value.selfie, *selfie) : nullptr);
}
vector<td_api::object_ptr<td_api::encryptedPassportData>> get_encrypted_passport_data_object(
FileManager *file_manager, const vector<EncryptedSecureValue> &values) {
return transform(values, [file_manager](const EncryptedSecureValue &value) {
return get_encrypted_passport_data_object(file_manager, value);
});
}
bool operator==(const SecureCredentials &lhs, const SecureCredentials &rhs) {
return lhs.data == rhs.data && lhs.hash == rhs.hash && lhs.encrypted_secret == rhs.encrypted_secret;
}
bool operator!=(const SecureCredentials &lhs, const SecureCredentials &rhs) {
return !(lhs == rhs);
}
SecureCredentials get_secure_credentials(tl_object_ptr<telegram_api::secureCredentialsEncrypted> &&credentials) {
CHECK(credentials != nullptr);
SecureCredentials result;
result.data = credentials->data_.as_slice().str();
result.hash = credentials->hash_.as_slice().str();
result.encrypted_secret = credentials->secret_.as_slice().str();
return result;
}
td_api::object_ptr<td_api::encryptedCredentials> get_encrypted_credentials_object(
const SecureCredentials &credentials) {
return td_api::make_object<td_api::encryptedCredentials>(credentials.data, credentials.hash,
credentials.encrypted_secret);
}
Result<SecureValue> get_secure_value(FileManager *file_manager,
td_api::object_ptr<td_api::inputPassportData> &&input_passport_data) {
if (input_passport_data == nullptr) {
return Status::Error(400, "InputPassportData must not be empty");
}
SecureValue res;
res.type = get_secure_value_type_td_api(std::move(input_passport_data->type_));
res.data = std::move(input_passport_data->data_);
for (auto &file : input_passport_data->files_) {
TRY_RESULT(file_id, file_manager->get_input_file_id(FileType::Secure, std::move(file), DialogId{}, false, false,
false, true));
res.files.push_back(file_id);
}
if (input_passport_data->selfie_) {
TRY_RESULT(file_id, file_manager->get_input_file_id(FileType::Secure, std::move(input_passport_data->selfie_),
DialogId{}, false, false, false, true));
res.selfie = file_id;
}
return res;
}
td_api::object_ptr<td_api::passportData> get_passport_data_object(FileManager *file_manager, const SecureValue &value) {
std::vector<td_api::object_ptr<td_api::file>> files;
files = transform(value.files, [&](FileId id) { return file_manager->get_file_object(id, true); });
td_api::object_ptr<td_api::file> selfie;
if (value.selfie.is_valid()) {
selfie = file_manager->get_file_object(value.selfie, true);
}
return td_api::make_object<td_api::passportData>(get_passport_data_type_object(value.type), value.data,
std::move(files), std::move(selfie));
}
Result<FileId> decrypt_secure_file(FileManager *file_manager, const secure_storage::Secret &master_secret,
const SecureFile &secure_file) {
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<SecureFile> &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 SecureData &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);
}
SecureFile 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();
SecureFile 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<SecureFile> 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); });
}
SecureData encrypt_secure_data(const secure_storage::Secret &master_secret, Slice data, string &to_hash) {
auto secret = secure_storage::Secret::create_new();
auto encrypted = encrypt_value(secret, data).move_as_ok();
SecureData 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 = SecureData{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