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Fixed #2425 ZIP/SWC reading - "Only DEFLATED entries can have EXT descriptor" message

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Jindra Petřík
2025-04-13 12:47:45 +02:00
parent 94874d2b68
commit 859a2f8bdb
4 changed files with 45 additions and 96 deletions
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103
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/ZippedBundle.java
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@@ -18,20 +18,19 @@ package com.jpexs.decompiler.flash;
import com.jpexs.helpers.Helper;
import com.jpexs.helpers.MemoryInputStream;
import com.jpexs.helpers.ReReadableInputStream;
import com.jpexs.helpers.streams.SeekableInputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;
/**
@@ -44,33 +43,13 @@ public class ZippedBundle implements Bundle {
/**
* Key set
*/
protected Set<String> keySet = new HashSet<>();
/**
* File input stream for the ZIP file
*/
protected FileInputStream fis;
/**
* Re-readable input stream for the ZIP file
*/
protected ReReadableInputStream is;
protected Set<String> keySet = new HashSet<>();
/**
* File name of the ZIP file
*/
protected File filename;
/**
* Constructs a new ZippedBundle from an input stream.
*
* @param is Input stream
* @throws IOException On I/O error
*/
public ZippedBundle(InputStream is) throws IOException {
this(is, null);
}
protected File filename;
/**
* Constructs a new ZippedBundle from a file.
*
@@ -78,18 +57,7 @@ public class ZippedBundle implements Bundle {
* @throws IOException On I/O error
*/
public ZippedBundle(File filename) throws IOException {
this(null, filename);
}
/**
* Constructs a new ZippedBundle from an input stream and a file.
*
* @param is Input stream
* @param filename File
* @throws IOException On I/O error
*/
protected ZippedBundle(InputStream is, File filename) throws IOException {
initBundle(is, filename);
initBundle(filename);
}
/**
@@ -99,18 +67,15 @@ public class ZippedBundle implements Bundle {
* @param filename File
* @throws IOException On I/O error
*/
protected void initBundle(InputStream is, File filename) throws IOException {
if (filename != null) {
fis = new FileInputStream(filename);
is = fis;
}
protected void initBundle(File filename) throws IOException {
this.filename = filename;
this.is = new ReReadableInputStream(is);
ZipInputStream zip = new ZipInputStream(this.is);
ZipEntry entry;
ZipFile zipFile = new ZipFile(filename);
keySet.clear();
Enumeration<? extends ZipEntry> entries = zipFile.entries();
while ((entry = zip.getNextEntry()) != null) {
while (entries.hasMoreElements()) {
ZipEntry entry = entries.nextElement();
if (entry.getName().toLowerCase().endsWith(".swf")
|| entry.getName().toLowerCase().endsWith(".spl")
|| entry.getName().toLowerCase().endsWith(".gfx")
@@ -118,6 +83,7 @@ public class ZippedBundle implements Bundle {
keySet.add(entry.getName());
}
}
zipFile.close();
}
@Override
@@ -136,24 +102,13 @@ public class ZippedBundle implements Bundle {
if (!keySet.contains(key)) {
return null;
}
//if (!cachedSWFs.containsKey(key)) {
SeekableInputStream ret = null;
this.is.reset();
ZipInputStream zip = new ZipInputStream(this.is);
ZipEntry entry;
while ((entry = zip.getNextEntry()) != null) {
if (entry.getName().equals(key)) {
MemoryInputStream mis = new MemoryInputStream(Helper.readStream(zip));
ret = mis;
//cachedSWFs.put(key, mis);
break;
}
zip.closeEntry();
}
ZipFile zipFile = new ZipFile(filename);
ZipEntry entry = zipFile.getEntry(key);
MemoryInputStream mis = new MemoryInputStream(Helper.readStream(zipFile.getInputStream(entry)));
SeekableInputStream ret = mis;
zipFile.close();
return ret;
//return cachedSWFs.get(key);
}
@Override
@@ -186,46 +141,48 @@ public class ZippedBundle implements Bundle {
if (!getKeys().contains(key)) { //replace only existing keys
return false;
}
ZipFile zipFile = new ZipFile(filename);
//Write to temp file first
File tempFile = new File((filename.getAbsolutePath()) + ".tmp");
try {
ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(tempFile));
this.is.reset();
ZipInputStream zis = new ZipInputStream(this.is);
ZipEntry entryIn;
ZipEntry entryOut;
byte[] swfData = Helper.readStream(swfIs);
Enumeration<? extends ZipEntry> entries = zipFile.entries();
try {
while ((entryIn = zis.getNextEntry()) != null) {
while (entries.hasMoreElements()) {
InputStream src;
entryIn = entries.nextElement();
if (entryIn.getName().equals(key)) {
entryOut = new ZipEntry(key);
src = new ByteArrayInputStream(swfData);
} else {
src = zis;
src = zipFile.getInputStream(entryIn);
entryOut = entryIn;
}
zos.putNextEntry(entryOut);
Helper.copyStream(src, zos, entryOut.getSize() == -1 ? Long.MAX_VALUE : entryOut.getSize());
zos.closeEntry();
zis.closeEntry();
}
} finally {
zis.close();
zos.close();
}
this.is.close();
this.fis.close();
zipFile.close();
}
} catch (IOException ex) {
tempFile.delete();
throw ex;
}
filename.delete();
tempFile.renameTo(filename);
initBundle(null, filename);
initBundle(filename);
return true;
}