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