Add VPN app scanner
This commit is contained in:
世界
@@ -2,6 +2,20 @@ package io.nekohasekai.sfa.ktx
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import io.nekohasekai.libbox.StringIterator
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fun Iterable<String>.toStringIterator(): StringIterator {
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return object : StringIterator {
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val iterator = iterator()
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override fun hasNext(): Boolean {
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return iterator.hasNext()
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}
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override fun next(): String {
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return iterator.next()
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}
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}
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}
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fun StringIterator.toList(): List<String> {
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return mutableListOf<String>().apply {
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while (hasNext()) {
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@@ -0,0 +1,26 @@
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package io.nekohasekai.sfa.ui.debug
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import android.content.Intent
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import android.os.Bundle
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import io.nekohasekai.sfa.R
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import io.nekohasekai.sfa.databinding.ActivityDebugBinding
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import io.nekohasekai.sfa.ui.shared.AbstractActivity
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class DebugActivity : AbstractActivity() {
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private var binding: ActivityDebugBinding? = null
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setTitle(R.string.title_debug)
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val binding = ActivityDebugBinding.inflate(layoutInflater)
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this.binding = binding
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setContentView(binding.root)
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supportActionBar?.setDisplayHomeAsUpEnabled(true)
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binding.scanVPNButton.setOnClickListener {
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startActivity(Intent(this, VPNScanActivity::class.java))
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}
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}
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}
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256
app/src/main/java/io/nekohasekai/sfa/ui/debug/VPNScanActivity.kt
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256
app/src/main/java/io/nekohasekai/sfa/ui/debug/VPNScanActivity.kt
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@@ -0,0 +1,256 @@
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package io.nekohasekai.sfa.ui.debug
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import android.Manifest
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import android.content.pm.PackageInfo
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import android.content.pm.PackageManager
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import android.os.Build
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import android.os.Bundle
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import android.util.Log
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import android.view.ViewGroup
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import androidx.core.view.isVisible
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import androidx.lifecycle.lifecycleScope
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import io.nekohasekai.libbox.Libbox
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import io.nekohasekai.sfa.R
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import io.nekohasekai.sfa.databinding.ActivityVpnScanBinding
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import io.nekohasekai.sfa.databinding.ViewVpnAppItemBinding
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import io.nekohasekai.sfa.ktx.toStringIterator
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import io.nekohasekai.sfa.ui.shared.AbstractActivity
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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import org.jf.dexlib2.dexbacked.DexBackedDexFile
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import java.io.File
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import java.util.zip.ZipFile
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import kotlin.math.roundToInt
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class VPNScanActivity : AbstractActivity() {
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private var binding: ActivityVpnScanBinding? = null
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private var adapter: Adapter? = null
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private val appInfoList = mutableListOf<AppInfo>()
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setTitle(R.string.title_scan_vpn)
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val binding = ActivityVpnScanBinding.inflate(layoutInflater)
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this.binding = binding
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setContentView(binding.root)
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supportActionBar?.setDisplayHomeAsUpEnabled(true)
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binding.scanVPNResult.adapter = Adapter().also {
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adapter = it
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}
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binding.scanVPNResult.layoutManager = LinearLayoutManager(this)
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lifecycleScope.launch(Dispatchers.IO) {
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scanVPN()
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}
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}
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class VPNType(
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val appType: String?,
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val coreType: VPNCoreType?,
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)
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class VPNCoreType(
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val coreType: String,
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val corePath: String,
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val goVersion: String
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)
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class AppInfo(
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val packageInfo: PackageInfo,
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val vpnType: VPNType,
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)
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inner class Adapter : RecyclerView.Adapter<Holder>() {
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): Holder {
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return Holder(ViewVpnAppItemBinding.inflate(layoutInflater, parent, false))
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}
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override fun getItemCount(): Int {
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return appInfoList.size
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}
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override fun onBindViewHolder(holder: Holder, position: Int) {
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holder.bind(appInfoList[position])
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}
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}
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class Holder(
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private val binding: ViewVpnAppItemBinding
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) :
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RecyclerView.ViewHolder(binding.root) {
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fun bind(element: AppInfo) {
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binding.appIcon.setImageDrawable(element.packageInfo.applicationInfo.loadIcon(binding.root.context.packageManager))
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binding.appName.text =
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element.packageInfo.applicationInfo.loadLabel(binding.root.context.packageManager)
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binding.packageName.text = element.packageInfo.packageName
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val appType = element.vpnType.appType
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if (appType != null) {
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binding.appTypeText.text = element.vpnType.appType
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} else {
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binding.appTypeText.setText(R.string.vpn_app_type_other)
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}
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val coreType = element.vpnType.coreType?.coreType
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if (coreType != null) {
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binding.coreTypeText.text = element.vpnType.coreType.coreType
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} else {
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binding.coreTypeText.setText(R.string.vpn_core_type_unknown)
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}
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val corePath = element.vpnType.coreType?.corePath.takeIf { !it.isNullOrBlank() }
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if (corePath != null) {
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binding.corePathLayout.isVisible = true
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binding.corePathText.text = corePath
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} else {
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binding.corePathLayout.isVisible = false
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}
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val goVersion = element.vpnType.coreType?.goVersion.takeIf { !it.isNullOrBlank() }
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if (goVersion != null) {
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binding.goVersionLayout.isVisible = true
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binding.goVersionText.text = goVersion
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} else {
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binding.goVersionLayout.isVisible = false
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}
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}
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}
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private suspend fun scanVPN() {
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val adapter = adapter ?: return
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val binding = binding ?: return
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val flag =
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PackageManager.GET_SERVICES or if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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PackageManager.MATCH_UNINSTALLED_PACKAGES
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} else {
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@Suppress("DEPRECATION")
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PackageManager.GET_UNINSTALLED_PACKAGES
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}
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val installedPackages = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
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packageManager.getInstalledPackages(PackageManager.PackageInfoFlags.of(flag.toLong()))
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} else {
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@Suppress("DEPRECATION")
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packageManager.getInstalledPackages(flag)
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}
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val vpnAppList =
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installedPackages.filter {
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it.services?.any { it.permission == Manifest.permission.BIND_VPN_SERVICE } ?: false
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}
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for ((index, packageInfo) in vpnAppList.withIndex()) {
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val appType = runCatching { getVPNAppType(packageInfo) }.getOrNull()
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val coreType = runCatching { getVPNCoreType(packageInfo) }.getOrNull()
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appInfoList.add(AppInfo(packageInfo, VPNType(appType, coreType)))
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withContext(Dispatchers.Main) {
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adapter.notifyItemInserted(index)
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binding.scanVPNResult.scrollToPosition(index)
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binding.scanVPNProgress.setProgressCompat(
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(((index + 1).toFloat() / vpnAppList.size.toFloat()) * 100).roundToInt(),
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true
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)
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}
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System.gc()
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}
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withContext(Dispatchers.Main) {
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binding.scanVPNProgress.isVisible = false
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}
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}
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companion object {
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private val v2rayNGClasses = listOf(
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"com.v2ray.ang",
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".dto.V2rayConfig",
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".service.V2RayVpnService",
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)
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private val clashForAndroidClasses = listOf(
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"com.github.kr328.clash",
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".core.Clash",
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".service.TunService",
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)
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private val sfaClasses = listOf(
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"io.nekohasekai.sfa"
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)
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private val legacySagerNetClasses = listOf(
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"io.nekohasekai.sagernet",
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".fmt.ConfigBuilder"
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)
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private val shadowsocksAndroidClasses = listOf(
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"com.github.shadowsocks",
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".bg.VpnService",
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"GuardedProcessPool"
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)
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}
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private fun getVPNAppType(packageInfo: PackageInfo): String? {
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ZipFile(File(packageInfo.applicationInfo.publicSourceDir)).use { packageFile ->
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for (packageEntry in packageFile.entries()) {
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if (!(packageEntry.name.startsWith("classes") && packageEntry.name.endsWith(
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".dex"
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))
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) {
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continue
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}
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if (packageEntry.size > 15000000) {
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continue
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}
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val input = packageFile.getInputStream(packageEntry).buffered()
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val dexFile = try {
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DexBackedDexFile.fromInputStream(null, input)
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} catch (e: Exception) {
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Log.e("VPNScanActivity", "Failed to read dex file", e)
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continue
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}
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for (clazz in dexFile.classes) {
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val clazzName = clazz.type.substring(1, clazz.type.length - 1)
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.replace("/", ".")
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.replace("$", ".")
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for (v2rayNGClass in v2rayNGClasses) {
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if (clazzName.contains(v2rayNGClass)) {
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return "V2RayNG"
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}
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}
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for (clashForAndroidClass in clashForAndroidClasses) {
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if (clazzName.contains(clashForAndroidClass)) {
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return "ClashForAndroid"
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}
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}
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for (sfaClass in sfaClasses) {
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if (clazzName.contains(sfaClass)) {
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return "sing-box"
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}
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}
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for (legacySagerNetClass in legacySagerNetClasses) {
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if (clazzName.contains(legacySagerNetClass)) {
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return "LegacySagerNet"
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}
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}
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for (shadowsocksAndroidClass in shadowsocksAndroidClasses) {
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if (clazzName.contains(shadowsocksAndroidClass)) {
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return "shadowsocks-android"
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}
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}
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}
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}
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return null
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}
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}
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private fun getVPNCoreType(packageInfo: PackageInfo): VPNCoreType? {
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val packageFiles = mutableListOf(packageInfo.applicationInfo.publicSourceDir)
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packageInfo.applicationInfo.splitPublicSourceDirs?.also {
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packageFiles.addAll(it)
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}
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val vpnType = try {
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Libbox.readAndroidVPNType(packageFiles.toStringIterator())
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} catch (ignored: Exception) {
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return null
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}
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return VPNCoreType(vpnType.coreType, vpnType.corePath, vpnType.goVersion)
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}
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}
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@@ -24,6 +24,7 @@ import io.nekohasekai.sfa.ktx.launchCustomTab
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import io.nekohasekai.sfa.ktx.setSimpleItems
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import io.nekohasekai.sfa.ktx.text
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import io.nekohasekai.sfa.ui.MainActivity
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import io.nekohasekai.sfa.ui.debug.DebugActivity
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import io.nekohasekai.sfa.ui.profileoverride.ProfileOverrideActivity
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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@@ -112,6 +113,9 @@ class SettingsFragment : Fragment() {
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binding.documentationButton.setOnClickListener {
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it.context.launchCustomTab("http://sing-box.sagernet.org/installation/clients/sfa/")
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}
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binding.openDebugButton.setOnClickListener {
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startActivity(Intent(requireContext(), DebugActivity::class.java))
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}
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lifecycleScope.launch(Dispatchers.IO) {
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reloadSettings()
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}
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