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SavecardData.cpp
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/****************************************************************************
** Hyne Final Fantasy VIII Save Editor
** Copyright (C) 2009-2013 Arzel Jérôme <[email protected]>
**
** 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 "SavecardData.h"
#include "GZIP.h"
#include "Parameters.h"
#include "LZS.h"
#include "CryptographicHash.h"
#include <QRegExp>
SavecardData::SavecardData(const QString &path, quint8 slot, const FF8Installation &ff8Installation) :
_ok(true), start(0), _isModified(false), _slot(slot), _ff8Installation(ff8Installation)
{
open(path, slot);
}
SavecardData::SavecardData(int saveCount) :
_ok(true), start(0), _isModified(false)
{
for (int i = 0; i < saveCount; ++i) {
addSave();
}
setType(Undefined);
}
SavecardData::~SavecardData()
{
qDeleteAll(saves);
}
bool SavecardData::open(const QString &path, quint8 slot)
{
if (slot)
{
_slot = slot;
setPath(QDir::fromNativeSeparators(QDir::cleanPath(path)) + "/");
setType(PcSlot);
if (slot == 3) {
directory();
} else {
this->slot(_ff8Installation.saveNamePattern(slot));
}
_ok = !saves.isEmpty();
}
else
{
setPath(QDir::fromNativeSeparators(QDir::cleanPath(path)));
QString extension = this->extension();
if (extension.isEmpty() || extension == "ff8")
{
setType(Pc);
_ok = pc();
}
else if (extension == "mcr" || extension == "ddf" || extension == "mc"
|| extension == "mcd"|| extension == "mci" || extension == "ps"
|| extension == "psm" || extension == "vm1" || extension =="srm")
{
setType(Ps);
_ok = ps();
}
else if (extension == "mem" || extension == "vgs")
{
setType(Vgs);
_ok = ps();
}
else if (extension == "gme")
{
setType(Gme);
_ok = ps();
}
else if (extension == "vmp")
{
setType(Vmp);
_ok = ps();
}
else if (extension == "psv")
{
setType(Psv);
_ok = ps3();
if (!_ok) {
_ok = sstate_pSX();
setType(Undefined);
}
}
else if (extension == "000"
|| extension == "001"
|| extension == "002"
|| extension == "003"
|| extension == "004")
{
_ok = sstate_ePSXe();
setType(Undefined);
}
else if (extension == "out")
{
setType(InitOut);
_ok = initOut();
}
else
{
_ok = false;
setType(Unknown);
}
}
// compare(2, 3);
return _ok;
}
#ifndef Q_OS_WINRT
const QFileSystemWatcher *SavecardData::watcher() const
{
return &fileWatcher;
}
#endif
QString SavecardData::description() const
{
return QString::fromLatin1(_description.constData());
}
void SavecardData::setDescription(const QString &desc)
{
_description = desc.toLatin1();
}
const QByteArray &SavecardData::hashSeed() const
{
return _hashSeed;
}
void SavecardData::setHashSeed(const QByteArray &hashSeed)
{
_hashSeed = hashSeed;
}
QString SavecardData::dirname() const
{
int index = _path.lastIndexOf('/');
return index != -1 ? _path.left(index + 1) : QString();
}
QString SavecardData::name() const
{
return _path.mid(_path.lastIndexOf('/') + 1);
}
QString SavecardData::nameNoExtension() const
{
QString n = name();
int index = n.lastIndexOf('.');
if (index < 0) {
return n;
}
return n.left(index);
}
QString SavecardData::extension() const
{
int index = _path.lastIndexOf('.');
return index != -1 ? _path.mid(index + 1).toLower() : QString();
}
void SavecardData::setName(const QString &name)
{
_path = dirname() + name;
}
void SavecardData::setType(Type type)
{
switch (type) {
case Vgs:
start = 64;
break;
case Gme:
start = 3904;
break;
case Vmp:
start = 128;
break;
case Undefined:
start = 0;
setPath(QObject::tr("Sans nom"));
setModified(true);
break;
default:
start = 0;
break;
}
_type = type;
}
bool SavecardData::hasPath() const
{
return !dirname().isEmpty();
}
bool SavecardData::isModified() const
{
if (_isModified) return true;
for (SaveData *save : qAsConst(saves)) {
if (save->isModified()) return true;
}
return false;
}
void SavecardData::setModified(bool modified)
{
_isModified = modified;
if (modified == false) {
for (SaveData *save : qAsConst(saves)) {
save->setModified(false);
}
}
}
void SavecardData::setIsTheLastEdited(int saveID)
{
for (SaveData *save : qAsConst(saves)) {
if (save->isTheLastEdited()) {
save->setIsTheLastEdited(false);
}
}
saves.at(saveID)->setIsTheLastEdited(true);
}
bool SavecardData::ps()
{
setErrorString(QString());
QFile fic(_path);
if (!fic.exists())
{
setErrorString(QObject::tr("Le fichier n'existe plus.\n%1").arg(_path));
return false;
}
if (!fic.open(QIODevice::ReadOnly))
{
setErrorString(QObject::tr("Le fichier est protégé en lecture."));
return false;
}
if (fic.size() < start+131072)//start+8192*16
{
setErrorString(QObject::tr("Fichier trop court"));
return false;
}
if (_type == Gme) {
fic.seek(64);
_description = fic.read(3840);
} else if (_type == Vmp) {
fic.seek(12);
_hashSeed = fic.read(20);
}
fic.seek(start+128);
QByteArray header = fic.read(1920);//(128*15)
fic.seek(start+SAVE_SIZE);
quint8 blockCount = 1;
bool occupied;
for (quint8 i = 0; i < 15; ++i) {
if (blockCount <= 1 && !saves.isEmpty()) {
blockCount = saves.last()->blockCount();
}
if (blockCount > 1) {
blockCount--;
occupied = true;
} else {
occupied = false;
}
addSave(fic.read(SAVE_SIZE), header.mid(128*i, 127), occupied);
}
#ifndef Q_OS_WINRT
if (fileWatcher.files().size()<30)
fileWatcher.addPath(_path);
#endif
return true;
}
bool SavecardData::initOut()
{
QFile fic(_path);
setErrorString(QString());
if (!fic.exists())
{
setErrorString(QObject::tr("Le fichier n'existe plus.\n%1").arg(_path));
return false;
}
if (!fic.open(QIODevice::ReadOnly))
{
setErrorString(QObject::tr("Le fichier est protégé en lecture."));
return false;
}
QFile newGameFile(":/data/newGame");
if (!newGameFile.open(QIODevice::ReadOnly)) {
qWarning() << "failed to open data/newGame" << newGameFile.errorString();
return false;
}
QByteArray data = newGameFile.readAll();
QByteArray initOut = fic.read(0xAFC);
data.replace(0x1D0, initOut.size(), initOut);
addSave(data);
if (saves.first()->isDelete()) return false;
#ifndef Q_OS_WINRT
if (fileWatcher.files().size() < 30)
fileWatcher.addPath(_path);
#endif
return true;
}
bool SavecardData::ps3()
{
QFile fic(_path);
setErrorString(QString());
if (!fic.exists())
{
setErrorString(QObject::tr("Le fichier n'existe plus.\n%1").arg(_path));
return false;
}
if (!fic.open(QIODevice::ReadOnly))
{
setErrorString(QObject::tr("Le fichier est protégé en lecture."));
return false;
}
// Check format
fic.seek(1);
if (QString(fic.peek(3)) != "VSP" && QString(fic.peek(6)) == "RS2CPU")
return false;
if (fic.size() < 8324)
{
setErrorString(QObject::tr("Fichier invalide"));
return false;
}
fic.seek(8);
QByteArray seed = fic.read(20);
fic.seek(100);
QByteArray MCHeader("\x51\x00\x00\x00\x00\x20\x00\x00\xff\xff", 10);
MCHeader.append(fic.read(32));
fic.seek(132);
addSave(fic.read(SAVE_SIZE), MCHeader);
if (saves.first()->isDelete()) return false;
_hashSeed = seed;
#ifndef Q_OS_WINRT
if (fileWatcher.files().size()<30)
fileWatcher.addPath(_path);
#endif
return true;
}
bool SavecardData::pc(const QString &path)
{
qint32 sizeC;
QFile f(path.isEmpty() ? _path : path);
if (!f.exists() || !f.open(QIODevice::ReadOnly) || f.size() > SAVE_SIZE * 8) {
return false;
}
f.read((char *)&sizeC, 4);
qint32 sizeC2;
f.read((char *)&sizeC2, 4);
if (sizeC == sizeC2 + 4) {
setType(Switch);
_switchSaveSize = f.size();
} else {
// Revert previous move
f.seek(f.pos() - 4);
}
if (type() != Switch && sizeC != f.size()-4) {
quint16 header = sizeC & 0xFFFF;
if (header == 0x4353) { // SC
f.reset();
addSave(f.read(FF8SAVE_SIZE));
setType(PcUncompressed);
return true;
}
}
addSave(LZS::decompress(f.readAll(), FF8SAVE_SIZE));
//#ifndef Q_OS_WINRT
// if (fileWatcher.files().size()<30)
// fileWatcher.addPath(_path);
//#endif
return true;
}
bool SavecardData::getFormatFromRaw()
{
QFile f(_path);
start = 0;
_ok = false;
setErrorString(QString());
if (!f.exists() || !f.open(QIODevice::ReadOnly)) {
setErrorString(QObject::tr("Impossible d'ouvrir le fichier"));
return false;
}
QByteArray data = f.read(10000);
int indexMC = data.indexOf("MC");
if (indexMC != -1) { // Maybe Memory Card format
start = indexMC;
switch (indexMC) {
case 0:
_type = Ps;
break;
case 64:
_type = Vgs;
break;
case 128:
_type = Vmp;
break;
case 3904:
_type = Gme;
break;
default:
setType(Undefined);
start = indexMC;
break;
}
_ok = ps();
return _ok;
} else { // Maybe PC format
if (data.startsWith("SC")) {
_ok = pc();
return _ok;
}
// compressed?
if (data.size() > 4) {
qint32 compressedOffset = -1, lzsSize;
memcpy(&lzsSize, data.constData(), 4);
if (lzsSize + 4 == f.size()) {
compressedOffset = 4;
} else {
qint32 lzsSize2;
memcpy(&lzsSize2, data.constData() + 4, 4);
if (lzsSize == lzsSize2 + 4) {
compressedOffset = 8;
}
}
if (compressedOffset >= 0) {
_ok = pc();
return _ok;
}
}
if (data.indexOf("VSP") == 1) {
_type = Psv;
_ok = ps3();
return _ok;
}
}
setErrorString(QObject::tr("Rien trouvé"));
return false;
}
bool SavecardData::sstate_ePSXe()
{
QTemporaryFile temp;
setErrorString(QString());
if (!temp.open()) {
setErrorString(QObject::tr("Impossible de créer le fichier temporaire."));
return false;
}
if (!GZIP::decompress(_path, temp.fileName())) {
setErrorString(QObject::tr("Impossible de décompresser le fichier."));
return false;
}
// temp.seek(7);
// QString serial(temp.read(11));
temp.seek(0xBC42);
QByteArray MCHeader = temp.read(0x20);
temp.seek(0x779CC);
return sstate(temp.read(0x139E), MCHeader);
}
bool SavecardData::sstate_pSX()
{
QFile f(_path);
setErrorString(QString());
if (!f.open(QIODevice::ReadOnly)) {
setErrorString(QObject::tr("Le fichier est protégé en lecture."));
return false;
}
f.seek(0xBD38);
QByteArray MCHeader = f.read(0x20);
f.seek(0x77AC2);
return sstate(f.read(0x139E), MCHeader);
}
bool SavecardData::sstate(const QByteArray &fdata, const QByteArray &MCHeader)
{
QByteArray squallIcon;
QFile iconFile(":/data/icon0.psico");
if (iconFile.open(QIODevice::ReadOnly)) {
squallIcon = iconFile.readAll();
iconFile.close();
}
QByteArray data;
data.append("SC");
data.append('\x11'); // icon (1 frame)
data.append('\x01'); // 1 save slot per save
data.append(QByteArray(0x4C, '\0')); // generic desc
data.append("\x01\x00CRD0", 6);
data.append(QByteArray(0x0A, '\0'));
data.append(squallIcon.leftJustified(288, '\0', true));
data.append("\x00\x00", 2); // CRC
data.append(fdata);
if (data.size() != 0x139E + 0x182) {
setErrorString(QObject::tr("Format invalide."));
return false;
}
addSave(data, MCHeader);
if (!saves.isEmpty()) {
SaveData *saveData = saves.last();
if (!saveData->isFF8()) {
saves.removeLast();
delete saveData;
setErrorString(QObject::tr("La sauvegarde trouvée n'est pas de Final Fantasy VIII."));
return false;
}
}
return true;
}
void SavecardData::slot(const QString &filePattern)
{
QString dirname = this->dirname();
for (quint8 i = 0; i < 30; ++i) {
QString path = filePattern;
QString num = QString("%1").arg(i + 1, 2, 10, QChar('0'));
path = dirname + path.replace("{num}", num);
if (!pc(path)) {
addSave(); // Empty save
}
}
LZS::clear();
}
void SavecardData::directory()
{
QDir dir(this->dirname());
QStringList files = dir.entryList(QStringList("*save??*"), QDir::Files);
for (const QString &file: qAsConst(files)) {
if (pc(dir.filePath(file))) {
_savePaths.append(file);
}
}
LZS::clear();
}
void SavecardData::addSave(const QByteArray &data, const QByteArray &header, bool occupied)
{
saves.append(new SaveData(saves.size(), data, header, type()!=Psv, occupied));
}
void SavecardData::moveSave(int sourceID, int targetID)
{
SaveData *saveData = saves.takeAt(sourceID);
saves.insert(targetID, saveData);
// Rebuild ids
int saveID = 0;
for (SaveData *save : qAsConst(saves)) {
save->setId(saveID);
saveID++;
}
setModified(true);
}
SaveData *SavecardData::getSave(int id) const
{
return saves.value(id, nullptr);
}
int SavecardData::saveCount() const
{
return saves.size();
}
bool SavecardData::saveMemoryCard(const QString &saveAs, Type newType)
{
const QString path = saveAs.isEmpty() ? _path : saveAs;
QTemporaryFile temp;
QFile fic(_path);
setErrorString(QString());
if (saveAs.isEmpty()) {
newType = _type;
}
if (!fic.exists())
{
setErrorString(QObject::tr("Le fichier n'existe plus.\n%1").arg(_path));
return false;
}
if (!fic.open(QIODevice::ReadOnly))
{
setErrorString(QObject::tr("Le fichier est protégé en lecture.\n%1").arg(_path));
return false;
}
if (!temp.open())
{
fic.close();
setErrorString(QObject::tr("Impossible de créer un fichier temporaire"));
return false;
}
if (_type == Psv)
{
temp.write(fic.read(100));
temp.write(saves.first()->MCHeader().mid(10, 20));// B + country + code + id
fic.seek(120);
temp.write(fic.read(12));
// compare(fic.peek(FF8SAVE_SIZE), saves.first()->save());
temp.write(saves.first()->save());
}
else if (!isOne(_type) && _type != PcSlot)
{
quint8 i;
SaveData *save;
QByteArray data = header(&fic, newType, !saveAs.isEmpty());
data.append("MC", 2);//MC
data.append(125, '\0');
data.append('\x0E');//xor byte
fic.seek(start + 128);
for (i = 0; i < 15; ++i)
{
save = saves.at(i);
if (save->hasMCHeader())
{
data.append(save->saveMCHeader());//128
fic.seek(fic.pos() + 128);
}
else
{
data.append(fic.read(128));//Main header
}
}
data.append(fic.read(6144));//Padding (8192-16*128)
for (i = 0; i < 15; ++i)
{
save = saves.at(i);
// compare(fic.peek(FF8SAVE_SIZE), save->save());
data.append(save->save());
}
if (newType == Vmp) {
// Rehash
data = CryptographicHash::hashVmp(data);
}
temp.write(data);
}
else
{
setErrorString(QObject::tr("Type non supporté pour la sauvegarde.\n%1").arg(_type));
return false;
}
fic.close();
#ifndef Q_OS_WINRT
bool readdPath = false;
if (fileWatcher.files().contains(path))
{
readdPath = true;
fileWatcher.removePath(path);
}
#endif
if (QFile::exists(path) && !QFile::remove(path))
{
temp.close();
setErrorString(QObject::tr("Impossible de supprimer le fichier !\n%1\nÉchec de la sauvegarde.\nVérifiez que le fichier n'est pas utilisé par un autre programme.").arg(path));
#ifndef Q_OS_WINRT
if (readdPath) fileWatcher.addPath(path);
#endif
return false;
}
if (!temp.copy(path))
{
setErrorString(QObject::tr("Échec de la sauvegarde."));
}
#ifndef Q_OS_WINRT
if (readdPath) fileWatcher.addPath(path);
#endif
return true;
}
bool SavecardData::saveOne(const SaveData *save, const QString &saveAs, Type newType, bool convertAnalogConfig)
{
setErrorString(QString());
const QString path = saveAs.isEmpty() ? _path : saveAs;
QTemporaryFile temp;
if (!temp.open()) {
setErrorString(QObject::tr("Impossible de créer un fichier temporaire"));
return false;
}
#ifndef Q_OS_WINRT
bool readdPath = false;
if (fileWatcher.files().contains(path)) {
readdPath = true;
fileWatcher.removePath(path);
}
#endif
UserDirectory userDirectory;
quint8 slot=0, num=0;
if (newType == Pc) {
// Rerelease 2013
QString filename = path.mid(path.lastIndexOf('/') + 1);
QRegExp regExp("slot([12])_save(\\d\\d).ff8");
if (regExp.exactMatch(filename)) {
QString dirname = path.left(path.lastIndexOf('/'));
userDirectory.setDirname(dirname);
if (userDirectory.hasMetadata() && userDirectory.openMetadata()) {
QStringList capturedTexts = regExp.capturedTexts();
slot = quint8(capturedTexts.at(1).toInt());
num = quint8(capturedTexts.at(2).toInt());
} else if (!userDirectory.hasMetadata()) {
setErrorString(QObject::tr("Le fichier 'metadata.xml' n'a pas été trouvé dans le dossier '%1'.\n"
"Essayez de signer vos sauvegardes manuellement (Fichier > Signer les sauv. pour le Cloud).").arg(dirname));
} else {
setErrorString(QObject::tr("Le fichier 'metadata.xml' n'a pas pu être ouvert.\n%1").arg(userDirectory.errorString()));
}
}
if (save->isDelete()) {
QFile::remove(path);
// Rerelease 2013: removing from metadata file
if (slot > 0) {
userDirectory.updateMetadata(slot, num);
if (!userDirectory.saveMetadata()) {
setErrorString(QObject::tr("Le fichier 'metadata.xml' n'a pas pu être mis à jour.\n%1").arg(userDirectory.errorString()));
}
}
return true;
}
}
QByteArray result;
if (newType == PcUncompressed) {
result = save->save(convertAnalogConfig);
} else if (newType == Psv) {
if (!save->hasMCHeader()) {
setErrorString(QObject::tr("Pas de MC Header défini."));
return false;
}
QByteArray result;
result.append("\0VSP\0\0\0\0", 8);
if (!_hashSeed.isEmpty()) {
result.append(_hashSeed.leftJustified(20, '\0', true));
result.append(QByteArray(20, '\0')); // Hash
} else {
result.append(QByteArray(40, '\0')); // Seed + hash
}
result.append("\x00\x00\x00\x00\x00\x00\x00\x00\x14\x00\x00\x00"
"\x01\x00\x00\x00\x00\x20\x00\x00\x84\x00\x00\x00"
"\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00"
"\x03\x90\x00\x00", 52); // unknown (type 1 = PS1 or 2 = PS2 at offset 12)
result.append(save->MCHeader().mid(10, 32).leftJustified(32, '\0')); // Country + prod code + identifier
result.append(save->save(convertAnalogConfig));
temp.write(CryptographicHash::hashPsv(result));
} else if (newType == InitOut) {
result = save->save(convertAnalogConfig).mid(0x1D0, 0xAFC);
} else {
result = LZS::compress(save->save(convertAnalogConfig));
int size = result.size();
result.prepend((char *)&size, 4);
if (newType == Switch) {
// Header with size again
size += 4;
result.prepend((char *)&size, 4);
// Padding at the end
if (result.size() < _switchSaveSize) {
result.append(_switchSaveSize - result.size(), '\0');
}
}
}
if (newType == Pc) {
// Rerelease 2013: updating signature in metadata file
if (slot > 0) {
userDirectory.updateMetadata(slot, num, result);
if (!userDirectory.saveMetadata()) {
setErrorString(QObject::tr("Le fichier 'metadata.xml' n'a pas pu être mis à jour.\n%1").arg(userDirectory.errorString()));
}
}
}
temp.write(result);
if (QFile::exists(path) && !QFile::remove(path))
{
setErrorString(QObject::tr("Impossible de supprimer le fichier !\n%1\nÉchec de la sauvegarde.\nEssayez de lancer %2 en tant qu'administrateur.")
.arg(path).arg(PROG_NAME));
#ifndef Q_OS_WINRT
if (readdPath) fileWatcher.addPath(path);
#endif
return false;
}
if (!temp.copy(path))
{
setErrorString(QObject::tr("Échec de la sauvegarde."));
}
#ifndef Q_OS_WINRT
if (readdPath) fileWatcher.addPath(path);
#endif
if (_type == Undefined) {
setPath(path);
setType(newType);
}
return true;
}
bool SavecardData::save2PS(const QList<int> &ids, const QString &path, const Type newType, const QByteArray &MCHeader)
{
QTemporaryFile temp;
quint8 i;
setErrorString(QString());
if (!temp.open())
{
setErrorString(QObject::tr("Impossible de créer un fichier temporaire"));
return false;
}
QByteArray data;
data.append(header(nullptr, newType, true));
data.append("MC", 2);//MC
data.append(125, '\0');
data.append('\x0E');//xor byte
for (i = 0; i < 15; ++i)
{
// 128 bytes
if (i >= ids.size())
{
data.append(SaveData::emptyMCHeader());
}
else
{
if (!MCHeader.isEmpty()) {
QByteArray MCHeaderCpy = MCHeader;
MCHeaderCpy.replace(26, 2, QString("%1").arg(i, 2, 10, QChar('0')).toLatin1());
MCHeaderCpy[127] = char(SaveData::xorByte(MCHeaderCpy.constData()));
data.append(MCHeaderCpy);
} else {
data.append(saves.at(ids.at(i))->saveMCHeader());
}
}
}
data.append(6144, '\0');//Padding
for (i = 0; i < 15; ++i)
{
// 8192 bytes
if (i >= ids.size() || !saves.at(ids.at(i))->isFF8())
{
data.append(SAVE_SIZE, '\0');
}
else
{
data.append(saves.at(ids.at(i))->save());
}
}
if (newType == Vmp) {
// Rehash
data = CryptographicHash::hashVmp(data);
}
temp.write(data);
#ifndef Q_OS_WINRT
bool readdPath = false;
if (fileWatcher.files().contains(path))
{
readdPath = true;
fileWatcher.removePath(path);
}
#endif
if (QFile::exists(path) && !QFile::remove(path))
{
setErrorString(QObject::tr("Impossible de supprimer le fichier !"
"\n%1\nÉchec de la sauvegarde."
"\nVérifiez que le fichier n'est pas utilisé"
" par un autre programme.").arg(path));
#ifndef Q_OS_WINRT
if (readdPath) fileWatcher.addPath(path);
#endif
return false;
}