92 lines
3.3 KiB
Java
92 lines
3.3 KiB
Java
/*
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Copyright 2019-2023 Dmitry Isaenko
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This file is part of libKonogonka.
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libKonogonka 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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libKonogonka 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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You should have received a copy of the GNU General Public License
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along with libKonogonka. If not, see <https://www.gnu.org/licenses/>.
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*/
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package libKonogonka.Tools.other.System2.ini1;
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import libKonogonka.Tools.ExportAble;
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import libKonogonka.aesctr.InFileStreamClassicProducer;
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import java.nio.file.Paths;
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public class KIP1Provider extends ExportAble {
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public static final int HEADER_SIZE = 0x100;
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private KIP1Header header;
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private final InFileStreamClassicProducer producer;
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private long startOffset;
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private long endOffset;
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private long size;
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public KIP1Provider(String fileLocation) throws Exception{
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this.producer = new InFileStreamClassicProducer(Paths.get(fileLocation));
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this.stream = producer.produce();
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byte[] kip1HeaderBytes = new byte[HEADER_SIZE];
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if (HEADER_SIZE != stream.read(kip1HeaderBytes))
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throw new Exception("Unable to read KIP1 file header");
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makeHeader(kip1HeaderBytes);
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calculateOffsets(0);
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}
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public KIP1Provider(byte[] kip1HeaderBytes, long kip1StartOffset, InFileStreamClassicProducer producer) throws Exception{
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makeHeader(kip1HeaderBytes);
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calculateOffsets(kip1StartOffset);
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this.producer = producer;
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this.stream = producer.produce();
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}
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private void makeHeader(byte[] kip1HeaderBytes) throws Exception{
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this.header = new KIP1Header(kip1HeaderBytes);
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}
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private void calculateOffsets(long kip1StartOffset){
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this.startOffset = kip1StartOffset;
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this.endOffset = HEADER_SIZE + kip1StartOffset +
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header.getTextSegmentHeader().getSize() + header.getRoDataSegmentHeader().getSize() +
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header.getRwDataSegmentHeader().getSize() + header.getBssSegmentHeader().getSize();
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size = endOffset - startOffset;
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}
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public KIP1Header getHeader() { return header; }
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public long getStartOffset() { return startOffset; }
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public long getEndOffset() { return endOffset; }
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public long getSize(){ return size; }
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public boolean export(String saveTo) throws Exception{
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stream = producer.produce();
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return export(saveTo, header.getName()+".kip1", startOffset, size);
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}
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public InFileStreamClassicProducer getStreamProducer() throws Exception{
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return producer.getSuccessor(startOffset, true);
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}
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public boolean exportAsDecompressed(String saveToLocation) throws Exception{
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return Kip1Unpacker.unpack(header, producer.getSuccessor(startOffset, true), saveToLocation);
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}
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public KIP1Raw getAsDecompressed() throws Exception{
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return Kip1Unpacker.getKIP1Raw(header, producer.getSuccessor(startOffset, true));
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}
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public void printDebug(){
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header.printDebug();
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}
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}
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