LegacyConsole/jpexs-decompiler
3
0
Fork 0
mirror of https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git synced 2026-05-25 10:36:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added #2038, #2028, #2034, #2036 Support for Harman AIR encrypted SWFs (Read-only)

Browse Source
This commit is contained in:
Jindra Petřík
2023-06-24 21:06:47 +02:00
parent 11d19da76c
commit ec10ded3ad
12 changed files with 226 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/SWF.java
View File

@@ -190,6 +190,9 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.Charset;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
@@ -211,6 +214,9 @@ import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.zip.DeflaterOutputStream;
import java.util.zip.InflaterInputStream;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
/**
* Class representing SWF file
@@ -293,6 +299,11 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
* ScaleForm GFx
*/
public boolean gfx = false;
/**
* HARMAN encryption
*/
public boolean encrypted = false;
@Internal
public OpenableList openableList;
@@ -414,7 +425,10 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
"ZWS", // LZMA compressed Flash
"GFX", // Uncompressed ScaleForm GFx
"CFX", // Compressed ScaleForm GFx
"ABC" // Non-standard LZMA compressed Flash
"ABC", // Non-standard LZMA compressed Flash
"fWS", //Harman encrypted uncompressed Flash,
"cWS", //Harman encrypted ZLib compressed Flash,
"zWS" //Harman encrypted LZMA compressed Flash
);
/**
@@ -1106,10 +1120,13 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
}
public byte[] getHeaderBytes() {
return getHeaderBytes(compression, gfx);
return getHeaderBytes(compression, gfx, encrypted);
}
private static byte[] getHeaderBytes(SWFCompression compression, boolean gfx) {
return getHeaderBytes(compression, gfx, false);
}
private static byte[] getHeaderBytes(SWFCompression compression, boolean gfx, boolean encrypted) {
if (compression == SWFCompression.LZMA_ABC) {
return new byte[]{'A', 'B', 'C'};
}
@@ -1133,6 +1150,10 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
ret[1] = 'W';
ret[2] = 'S';
}
if (!gfx && encrypted) {
ret[0] += 32; //to lowercase
}
return ret;
}
@@ -1463,6 +1484,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
SWFHeader header = decompress(is, baos, true);
gfx = header.gfx;
encrypted = header.encrypted;
compression = header.compression;
lzmaProperties = header.lzmaProperties;
uncompressedData = baos.toByteArray();
@@ -1964,7 +1986,7 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
SWFHeader header = new SWFHeader();
header.version = version;
header.fileSize = fileSize;
header.gfx = headerData[1] == 'F' && headerData[2] == 'X';
header.gfx = headerData[1] == 'F' && headerData[2] == 'X';
return header;
}
@@ -1984,6 +2006,20 @@ public final class SWF implements SWFContainerItem, Timelined, Openable {
sos.write(getHeaderBytes(SWFCompression.NONE, header.gfx));
sos.writeUI8(header.version);
sos.writeUI32(fileSize);
switch (hdr[0]) {
case 'c':
case 'z':
case 'f':
header.encrypted = true;
HarmanDecryption dec = new HarmanDecryption();
try {
is = dec.decrypt(is, hdr); //Note: this call will uppercase hdr[0]
} catch (IOException | InvalidAlgorithmParameterException | InvalidKeyException | NoSuchAlgorithmException | BadPaddingException | IllegalBlockSizeException | NoSuchPaddingException ex) {
throw new SwfOpenException(AppResources.translate("error.swf.decryptionProblem"));
}
break;
}
switch (hdr[0]) {
case 'C': { // CWS, CFX