dex2jar

app/build.gradle.kts

@@ -15,9 +15,6 @@ compileKotlin.kotlinOptions {
 
 repositories {
     mavenCentral()
-    maven {
-        url = uri("http://repository-dex2jar.forge.cloudbees.com/release/")
-    }
 }
 
 dependencies {
@@ -45,7 +42,7 @@ dependencies {
     implementation("com.squareup.retrofit2:adapter-rxjava:$retrofit_version")
 
 
-
+    // reactivex
     implementation("io.reactivex:rxjava:1.3.8")
 //    implementation("io.reactivex:rxandroid:1.2.1")
 //    implementation("com.jakewharton.rxrelay:rxrelay:1.2.0")
@@ -64,7 +61,7 @@ dependencies {
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutinesVersion")
 
     // dex2jar
-    implementation("com.googlecode.d2j:dex-reader:2.0")
+    implementation(fileTree("../lib/dex2jar/"))
 
 
     testImplementation("org.jetbrains.kotlin:kotlin-test")

app/src/main/java/ir/armor/tachidesk/APKExtractor.java

@@ -8,8 +8,11 @@ import org.xml.sax.InputSource;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
+import java.util.zip.ZipInputStream;
 
 class APKExtractor {
     // decompressXML -- Parse the 'compressed' binary form of Android XML docs
@@ -203,30 +206,29 @@ class APKExtractor {
     }
 
     public static String extract_dex_and_read_className(String filePath, String dexPath) throws IOException {
-        InputStream is = null;
         ZipFile zip = null;
 
         zip = new ZipFile(filePath);
         ZipEntry androidManifest = zip.getEntry("AndroidManifest.xml");
         ZipEntry classesDex = zip.getEntry("classes.dex");
-        is = zip.getInputStream(androidManifest);
 
         // write dex file
         InputStream dexStream = zip.getInputStream(classesDex);
-        byte[] dexBuffer = new byte[dexStream.available()];
-        FileOutputStream dexOs = new FileOutputStream(new File(dexPath));
-        dexOs.write(dexBuffer);
-        dexOs.close();
-
-
-        byte[] buf = new byte[10240];
-        int bytesRead = is.read(buf);
-
-        is.close();
-        if (zip != null) {
-            zip.close();
+        try (OutputStream os = Files.newOutputStream(Paths.get(dexPath))) {
+            byte[] buffer = new byte[1024];
+            int len;
+            while ((len = dexStream.read(buffer)) > 0) {
+                os.write(buffer, 0, len);
+            }
         }
 
+        // read xml file
+        InputStream is = zip.getInputStream(androidManifest);
+        byte[] buf = new byte[1024000]; // 100 kb
+        is.read(buf);
+        is.close();
+        zip.close();
+
         String xml = APKExtractor.decompressXML(buf);
         try {
             Document xmlDoc = loadXMLFromString(xml);

app/src/main/kotlin/ir/armor/tachidesk/Main.kt

@@ -1,5 +1,9 @@
 package ir.armor.tachidesk
 
+import com.googlecode.d2j.dex.Dex2jar
+import com.googlecode.d2j.reader.DexFileReader
+import com.googlecode.dex2jar.tools.Dex2jarCmd
+
 class Main {
     companion object {
         @JvmStatic
@@ -50,7 +54,12 @@ class Main {
 
             val apk = "/tmp/tachidesk/tachiyomi-en.killsixbilliondemons-v1.2.3.apk"
             val dex = "/tmp/tachidesk/tachiyomi-en.killsixbilliondemons-v1.2.3.dex"
+            val jar = "/tmp/tachidesk/tachiyomi-en.killsixbilliondemons-v1.2.3.jar"
             val pkg = APKExtractor.extract_dex_and_read_className(apk, dex)
+
+            Dex2jarCmd.main(dex, "-o", jar, "--force")
+
+
         }
     }
 }