bugfix: 脱壳机可能遇到apk组装失败

src/main/java/com/virjar/ratel/api/UnPackerToolKit.java

@@ -12,6 +12,7 @@ import com.virjar.ratel.api.rposed.RposedHelpers;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Method;
 import java.util.Enumeration;
@@ -177,8 +178,10 @@ public class UnPackerToolKit {
                             continue;
                         }
 
-                        zipOutputStream.putNextEntry(zipEntry);
-                        IOUtils.copy(zipFile.getInputStream(zipEntry), zipOutputStream);
+                        zipOutputStream.putNextEntry(new ZipEntry(zipEntry.getName()));
+                        try (InputStream inputStream = zipFile.getInputStream(zipEntry)) {
+                            IOUtils.copy(inputStream, zipOutputStream);
+                        }
 
                         if (zipEntry.getName().startsWith("classes")) {
                             Matcher matcher = classesIndexPattern.matcher(zipEntry.getName());
@@ -192,7 +195,12 @@ public class UnPackerToolKit {
                     }
                     // append dex
                     for (byte[] dexData : dumpedDex) {
-                        zipOutputStream.putNextEntry(new ZipEntry("classes" + maxIndex + ".dex"));
+                        if (dexData == null) {
+                            continue;
+                        }
+                        String classesFileName = "classes" + maxIndex + ".dex";
+                        Log.i(TAG_UNPACK, "append new dex: " + classesFileName);
+                        zipOutputStream.putNextEntry(new ZipEntry(classesFileName));
                         zipOutputStream.write(dexData);
                         maxIndex++;
                     }