Aria Moradi
98 lines
2.9 KiB
Kotlin
98 lines
2.9 KiB
Kotlin
package xyz.nulldev.androidcompat.pm
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import android.content.pm.PackageInfo
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import android.content.pm.Signature
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import android.os.Bundle
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import com.android.apksig.ApkVerifier
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import com.googlecode.d2j.dex.Dex2jar
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import net.dongliu.apk.parser.ApkFile
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import net.dongliu.apk.parser.ApkParsers
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import org.w3c.dom.Element
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import org.w3c.dom.Node
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import org.w3c.dom.NodeList
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import java.io.File
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import javax.imageio.ImageIO
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import javax.xml.parsers.DocumentBuilderFactory
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data class InstalledPackage(val root: File) {
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val apk = File(root, "package.apk")
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val jar = File(root, "translated.jar")
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val icon = File(root, "icon.png")
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val info: PackageInfo
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get() = ApkParsers.getMetaInfo(apk).toPackageInfo(apk).also {
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val parsed = ApkFile(apk)
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val dbFactory = DocumentBuilderFactory.newInstance()
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val dBuilder = dbFactory.newDocumentBuilder()
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val doc = parsed.manifestXml.byteInputStream().use {
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dBuilder.parse(it)
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}
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it.applicationInfo.metaData = Bundle().apply {
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val appTag = doc.getElementsByTagName("application").item(0)
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appTag?.childNodes?.toList()?.filter {
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it.nodeType == Node.ELEMENT_NODE
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}?.map {
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it as Element
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}?.filter {
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it.tagName == "meta-data"
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}?.map {
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putString(
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it.attributes.getNamedItem("android:name").nodeValue,
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it.attributes.getNamedItem("android:value").nodeValue
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)
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}
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}
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it.signatures = (
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parsed.apkSingers.flatMap { it.certificateMetas }
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/*+ parsed.apkV2Singers.flatMap { it.certificateMetas }*/
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) // Blocked by: https://github.com/hsiafan/apk-parser/issues/72
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.map { Signature(it.data) }.toTypedArray()
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}
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fun verify(): Boolean {
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val res = ApkVerifier.Builder(apk)
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.build()
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.verify()
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return res.isVerified
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}
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fun writeIcon() {
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try {
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val icons = ApkFile(apk).allIcons
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val read = icons.filter { it.isFile }.map {
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it.data.inputStream().use {
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ImageIO.read(it)
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}
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}.sortedByDescending { it.width * it.height }.firstOrNull() ?: return
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ImageIO.write(read, "png", icon)
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} catch (e: Exception) {
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icon.delete()
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}
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}
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fun writeJar() {
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try {
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Dex2jar.from(apk).to(jar.toPath())
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} catch (e: Exception) {
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jar.delete()
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}
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}
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companion object {
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fun NodeList.toList(): List<Node> {
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val out = mutableListOf<Node>()
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for (i in 0 until length)
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out += item(i)
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return out
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}
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}
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}
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