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Add hide Magisk Manager feature

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This commit is contained in:
topjohnwu
2017-08-22 03:01:54 +08:00
parent ea6552615d
commit 657f4ab303
24 changed files with 296 additions and 14 deletions
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22
app/src/main/java/com/topjohnwu/magisk/utils/Utils.java
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@@ -35,6 +35,7 @@ import com.topjohnwu.magisk.receivers.DownloadReceiver;
import com.topjohnwu.magisk.receivers.ManagerUpdate;
import java.io.File;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
@@ -288,4 +289,25 @@ public class Utils {
return locales;
}
public static String genPackageName(String prefix, int length) {
StringBuilder builder = new StringBuilder(length);
builder.append(prefix);
length -= prefix.length();
SecureRandom random = new SecureRandom();
String base = "abcdefghijklmnopqrstuvwxyz";
String alpha = base + base.toUpperCase();
String full = alpha + "0123456789..........";
char next, prev = '\0';
for (int i = 0; i < length; ++i) {
if (prev == '.' || i == length - 1 || i == 0) {
next = alpha.charAt(random.nextInt(alpha.length()));
} else {
next = full.charAt(random.nextInt(full.length()));
}
builder.append(next);
prev = next;
}
return builder.toString();
}
}

43
app/src/main/java/com/topjohnwu/magisk/utils/ZipUtils.java
View File

@@ -1,6 +1,7 @@
package com.topjohnwu.magisk.utils;
import android.content.Context;
import android.text.TextUtils;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
@@ -65,6 +66,7 @@ public class ZipUtils {
// File name in assets
private static final String PUBLIC_KEY_NAME = "public.certificate.x509.pem";
private static final String PRIVATE_KEY_NAME = "private.key.pk8";
private static final String UNHIDE_NAME = "unhide.apk";
private static final String CERT_SF_NAME = "META-INF/CERT.SF";
private static final String CERT_SIG_NAME = "META-INF/CERT.%s";
@@ -82,6 +84,45 @@ public class ZipUtils {
public native static void zipAdjust(String filenameIn, String filenameOut);
public static String generateUnhide(Context context, File output) {
File temp = new File(context.getCacheDir(), "temp.apk");
String pkg = "";
try {
JarInputStream source = new JarInputStream(context.getAssets().open(UNHIDE_NAME));
JarOutputStream dest = new JarOutputStream(new FileOutputStream(temp));
JarEntry entry;
int size;
byte buffer[] = new byte[4096];
while ((entry = source.getNextJarEntry()) != null) {
dest.putNextEntry(new JarEntry(entry.getName()));
if (TextUtils.equals(entry.getName(), "AndroidManifest.xml")) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
while((size = source.read(buffer)) != -1) {
baos.write(buffer, 0, size);
}
byte xml[] = baos.toByteArray();
pkg = Utils.genPackageName("com.", 20);
for (int i = 0; i < 20; ++i) {
xml[424 + i] = (byte) pkg.charAt(i);
}
dest.write(xml);
} else {
while((size = source.read(buffer)) != -1) {
dest.write(buffer, 0, size);
}
}
}
source.close();
dest.close();
signZip(context, temp, output, false);
temp.delete();
} catch (IOException e) {
e.printStackTrace();
return pkg;
}
return pkg;
}
public static void removeTopFolder(InputStream in, File output) throws IOException {
try {
JarInputStream source = new JarInputStream(in);
@@ -102,7 +143,7 @@ public class ZipUtils {
continue;
}
dest.putNextEntry(new JarEntry(path));
while((size = source.read(buffer, 0, 2048)) != -1) {
while((size = source.read(buffer)) != -1) {
dest.write(buffer, 0, size);
}
}