wudd/source/WUD/NUSTitle.cpp

97 lines
3.7 KiB
C++

/****************************************************************************
* Copyright (C) 2016-2021 Maschell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include "NUSTitle.h"
#include <utility>
std::optional<std::shared_ptr<NUSTitle>> NUSTitle::loadTitle(const std::shared_ptr<NUSDataProvider> &dataProvider, const std::array<uint8_t, 16> &commonKey) {
std::vector<uint8_t> dataBuffer;
if (!dataProvider->getRawTMD(dataBuffer)) {
DEBUG_FUNCTION_LINE("Failed to read TMD");
return {};
}
auto tmdOpt = TitleMetaData::make_shared(dataBuffer);
if (!tmdOpt.has_value()) {
DEBUG_FUNCTION_LINE("Failed to parse TMD");
return {};
}
dataBuffer.clear();
if (!dataProvider->getRawTicket(dataBuffer)) {
DEBUG_FUNCTION_LINE("Failed to read ticket data");
return {};
}
auto ticketOpt = Ticket::make_shared(dataBuffer, commonKey);
if (!ticketOpt.has_value()) {
DEBUG_FUNCTION_LINE("Failed to parse ticket");
return {};
}
dataBuffer.clear();
auto decryption = std::make_shared<NUSDecryption>(std::move(ticketOpt.value()));
auto dpp = std::shared_ptr<NUSDataProcessor>(new DefaultNUSDataProcessor(dataProvider, decryption));
// If we have more than one content, the index 0 is the FST.
auto fstContentOpt = tmdOpt.value()->getContentByIndex(0);
if (!fstContentOpt.has_value()) {
DEBUG_FUNCTION_LINE("Failed to get content for index 0");
return {};
}
if (!dpp->readPlainDecryptedContent(fstContentOpt.value(), dataBuffer)) {
DEBUG_FUNCTION_LINE("Failed to read decrypted content");
return {};
}
auto fstOpt = FST::make_shared(dataBuffer, 0, VolumeBlockSize(1));
if (!fstOpt.has_value()) {
DEBUG_FUNCTION_LINE();
return {};
}
// The dataprovider may need the FST to calculate the offset of a content
// on the partition.
dataProvider->setFST(fstOpt.value());
return std::shared_ptr<NUSTitle>(new NUSTitle(tmdOpt.value(), dpp, dataProvider, decryption, ticketOpt.value(), fstOpt.value()));
}
NUSTitle::NUSTitle(std::shared_ptr<TitleMetaData> pTMD,
std::shared_ptr<NUSDataProcessor> pProcessor,
std::shared_ptr<NUSDataProvider> pDataProvider,
std::shared_ptr<NUSDecryption> pDecryption,
std::shared_ptr<Ticket> pTicket,
std::shared_ptr<FST> pFST) :
dataProcessor(std::move(pProcessor)),
tmd(std::move(pTMD)),
ticket(std::move(pTicket)),
fst(std::move(pFST)),
decryption(std::move(pDecryption)),
dataProvider(std::move(pDataProvider)) {
}
std::optional<std::shared_ptr<NUSTitle>>
NUSTitle::loadTitleFromGMPartition(const std::shared_ptr<WiiUGMPartition> &pPartition, const std::shared_ptr<DiscReader> &pDrive, const std::array<uint8_t, 16> &commonKey) {
DEBUG_FUNCTION_LINE();
return loadTitle(std::shared_ptr<NUSDataProvider>(new NUSDataProviderWUD(pPartition, pDrive)), commonKey);
}
NUSTitle::~NUSTitle() = default;