Refactor JarMap
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topjohnwu
parent
e7d668502c
commit
6f7c13b814
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@ -118,7 +118,7 @@ object PatchAPK {
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@JvmOverloads
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fun patch(apk: String, out: String, pkg: String, label: String = "Manager"): Boolean {
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try {
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val jar = JarMap(apk)
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val jar = JarMap.open(apk)
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val je = jar.getJarEntry(Const.ANDROID_MANIFEST)
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val xml = jar.getRawData(je)
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@ -15,117 +15,149 @@ import java.util.jar.Manifest;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipFile;
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/*
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* A universal random access interface for both JarFile and JarInputStream
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*
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* In the case when JarInputStream is provided to constructor, the whole stream
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* will be loaded into memory for random access purposes.
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* On the other hand, when a JarFile is provided, it simply works as a wrapper.
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* */
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public abstract class JarMap implements Closeable {
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public class JarMap implements Closeable {
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LinkedHashMap<String, JarEntry> entryMap;
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private JarFile jarFile;
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private JarInputStream jis;
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private LinkedHashMap<String, JarEntry> bufMap;
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private Manifest manifest;
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public JarMap(File file) throws IOException {
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this(file, true);
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public static JarMap open(String file) throws IOException {
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return new FileMap(new File(file), true, ZipFile.OPEN_READ);
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}
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public JarMap(File file, boolean verify) throws IOException {
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this(file, verify, ZipFile.OPEN_READ);
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public static JarMap open(File file, boolean verify) throws IOException {
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return new FileMap(file, verify, ZipFile.OPEN_READ);
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}
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public JarMap(File file, boolean verify, int mode) throws IOException {
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jarFile = new JarFile(file, verify, mode);
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manifest = jarFile.getManifest();
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public static JarMap open(String file, boolean verify) throws IOException {
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return new FileMap(new File(file), verify, ZipFile.OPEN_READ);
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}
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public JarMap(String name) throws IOException {
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this(new File(name));
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}
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public JarMap(String name, boolean verify) throws IOException {
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this(new File(name), verify);
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}
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public JarMap(InputStream is) throws IOException {
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this(is, true);
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}
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public JarMap(InputStream is, boolean verify) throws IOException {
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jis = new JarInputStream(is, verify);
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bufMap = new LinkedHashMap<>();
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JarEntry entry;
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while ((entry = jis.getNextJarEntry()) != null) {
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bufMap.put(entry.getName(), new JarMapEntry(entry, jis));
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}
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manifest = jis.getManifest();
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public static JarMap open(InputStream is, boolean verify) throws IOException {
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return new StreamMap(is, verify);
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}
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public File getFile() {
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return jarFile == null ? null : new File(jarFile.getName());
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return null;
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}
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public Manifest getManifest() {
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return manifest;
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}
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public abstract Manifest getManifest() throws IOException;
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public InputStream getInputStream(ZipEntry ze) throws IOException {
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if (bufMap != null) {
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JarMapEntry e = (JarMapEntry) bufMap.get(ze.getName());
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if (e != null)
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return e.data.getInputStream();
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}
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return jarFile.getInputStream(ze);
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JarMapEntry e = getMapEntry(ze.getName());
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return e != null ? e.data.getInputStream() : null;
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}
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public OutputStream getOutputStream(ZipEntry ze) {
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manifest = null; /* Invalidate the manifest */
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if (bufMap == null)
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bufMap = new LinkedHashMap<>();
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if (entryMap == null)
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entryMap = new LinkedHashMap<>();
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JarMapEntry e = new JarMapEntry(ze.getName());
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bufMap.put(ze.getName(), e);
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entryMap.put(ze.getName(), e);
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return e.data;
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}
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public byte[] getRawData(ZipEntry ze) throws IOException {
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if (bufMap != null) {
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JarMapEntry e = (JarMapEntry) bufMap.get(ze.getName());
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if (e != null)
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return e.data.toByteArray();
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}
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ByteArrayStream bytes = new ByteArrayStream();
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bytes.readFrom(jarFile.getInputStream(ze));
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return bytes.toByteArray();
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JarMapEntry e = getMapEntry(ze.getName());
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return e != null ? e.data.toByteArray() : null;
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}
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public Enumeration<JarEntry> entries() {
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return jarFile == null ? Collections.enumeration(bufMap.values()) : jarFile.entries();
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}
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public abstract Enumeration<JarEntry> entries();
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public ZipEntry getEntry(String name) {
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public final ZipEntry getEntry(String name) {
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return getJarEntry(name);
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}
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public JarEntry getJarEntry(String name) {
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JarEntry e = jarFile == null ? bufMap.get(name) : jarFile.getJarEntry(name);
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if (e == null && bufMap != null)
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return bufMap.get(name);
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return getMapEntry(name);
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}
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JarMapEntry getMapEntry(String name) {
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JarMapEntry e = null;
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if (entryMap != null)
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e = (JarMapEntry) entryMap.get(name);
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return e;
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}
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@Override
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public void close() throws IOException {
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if (jarFile != null)
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private static class FileMap extends JarMap {
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private JarFile jarFile;
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FileMap(File file, boolean verify, int mode) throws IOException {
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jarFile = new JarFile(file, verify, mode);
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}
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@Override
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public File getFile() {
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return new File(jarFile.getName());
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}
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@Override
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public Manifest getManifest() throws IOException {
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return jarFile.getManifest();
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}
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@Override
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public InputStream getInputStream(ZipEntry ze) throws IOException {
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InputStream is = super.getInputStream(ze);
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return is != null ? is : jarFile.getInputStream(ze);
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}
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@Override
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public byte[] getRawData(ZipEntry ze) throws IOException {
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byte[] b = super.getRawData(ze);
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if (b != null)
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return b;
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ByteArrayStream bytes = new ByteArrayStream();
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bytes.readFrom(jarFile.getInputStream(ze));
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return bytes.toByteArray();
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}
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@Override
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public Enumeration<JarEntry> entries() {
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return jarFile.entries();
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}
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@Override
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public JarEntry getJarEntry(String name) {
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JarEntry e = getMapEntry(name);
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return e != null ? e : jarFile.getJarEntry(name);
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}
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@Override
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public void close() throws IOException {
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jarFile.close();
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else
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}
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}
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private static class StreamMap extends JarMap {
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private JarInputStream jis;
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StreamMap(InputStream is, boolean verify) throws IOException {
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jis = new JarInputStream(is, verify);
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entryMap = new LinkedHashMap<>();
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JarEntry entry;
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while ((entry = jis.getNextJarEntry()) != null) {
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entryMap.put(entry.getName(), new JarMapEntry(entry, jis));
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}
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}
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@Override
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public Manifest getManifest() {
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return jis.getManifest();
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}
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@Override
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public Enumeration<JarEntry> entries() {
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return Collections.enumeration(entryMap.values());
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}
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@Override
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public void close() throws IOException {
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jis.close();
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}
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}
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private static class JarMapEntry extends JarEntry {
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ByteArrayStream data;
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JarMapEntry(JarEntry je, InputStream is) {
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@ -72,7 +72,7 @@ public class SignAPK {
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ZipAdjust.adjust(temp1, temp2);
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try (JarMap map = new JarMap(temp2, false)) {
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try (JarMap map = JarMap.open(temp2, false)) {
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sign(cert, key, map, output, true);
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}
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} finally {
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@ -65,7 +65,7 @@ public class ZipSigner {
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Security.insertProviderAt(new BouncyCastleProvider(), 1);
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try (JarMap in = new JarMap(args[args.length - 2], false);
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try (JarMap in = JarMap.open(args[args.length - 2], false);
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OutputStream out = new FileOutputStream(args[args.length - 1])) {
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if (args.length == 2) {
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sign(in, out);
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