mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-12-25 10:57:39 +00:00
Added safetynet implementation
The implementation itself was moved from fragment to self contained event. The result resolution might be moved to the event as well
This commit is contained in:
Viktor De Pasquale
parent
04576ca828
commit
21f2f86cb8
@ -22,7 +22,7 @@ val redesignModule = module {
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viewModel { LogViewModel() }
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viewModel { ModuleViewModel() }
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viewModel { RequestViewModel() }
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viewModel { SafetynetViewModel() }
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viewModel { SafetynetViewModel(get()) }
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viewModel { SettingsViewModel() }
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viewModel { SuperuserViewModel(get(), get(), get(), get()) }
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viewModel { ThemeViewModel() }
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@ -15,3 +15,5 @@ sealed class PolicyUpdateEvent(val item: MagiskPolicy) : RxBus.Event {
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}
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class ModuleUpdatedEvent(val item: ModuleRvItem) : RxBus.Event
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data class SafetyNetResult(val responseCode: Int) : RxBus.Event
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@ -1,6 +1,7 @@
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package com.topjohnwu.magisk.model.events
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import android.app.Activity
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import android.content.Context
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import android.content.Intent
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import androidx.appcompat.app.AppCompatActivity
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import com.karumi.dexter.Dexter
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@ -8,9 +9,25 @@ import com.karumi.dexter.MultiplePermissionsReport
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import com.karumi.dexter.PermissionToken
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import com.karumi.dexter.listener.PermissionRequest
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import com.karumi.dexter.listener.multi.MultiplePermissionsListener
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import com.topjohnwu.magisk.Const
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import com.topjohnwu.magisk.R
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import com.topjohnwu.magisk.data.repository.MagiskRepository
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import com.topjohnwu.magisk.extensions.DynamicClassLoader
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import com.topjohnwu.magisk.extensions.subscribeK
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import com.topjohnwu.magisk.extensions.writeTo
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import com.topjohnwu.magisk.model.entity.module.Repo
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import com.topjohnwu.magisk.model.permissions.PermissionRequestBuilder
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import com.topjohnwu.magisk.utils.RxBus
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import com.topjohnwu.magisk.utils.SafetyNetHelper
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import com.topjohnwu.magisk.view.MagiskDialog
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import com.topjohnwu.superuser.Shell
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import dalvik.system.DexFile
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import io.reactivex.Completable
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import io.reactivex.subjects.PublishSubject
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import org.koin.core.KoinComponent
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import org.koin.core.inject
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import java.io.File
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import java.lang.reflect.InvocationHandler
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/**
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* Class for passing events from ViewModels to Activities/Fragments
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@ -34,7 +51,88 @@ class MagiskChangelogEvent : ViewEvent()
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class UninstallEvent : ViewEvent()
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class EnvFixEvent : ViewEvent()
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class UpdateSafetyNetEvent : ViewEvent()
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class UpdateSafetyNetEvent : ViewEvent(), ContextExecutor, KoinComponent, SafetyNetHelper.Callback {
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private val magiskRepo by inject<MagiskRepository>()
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private val rxBus by inject<RxBus>()
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private lateinit var EXT_APK: File
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private lateinit var EXT_DEX: File
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override fun invoke(context: Context) {
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val die = ::EXT_APK.isInitialized
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EXT_APK = File("${context.filesDir.parent}/snet", "snet.jar")
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EXT_DEX = File(EXT_APK.parent, "snet.dex")
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Completable.fromAction {
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val loader = DynamicClassLoader(EXT_APK)
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val dex = DexFile.loadDex(EXT_APK.path, EXT_DEX.path, 0)
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// Scan through the dex and find our helper class
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var helperClass: Class<*>? = null
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for (className in dex.entries()) {
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if (className.startsWith("x.")) {
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val cls = loader.loadClass(className)
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if (InvocationHandler::class.java.isAssignableFrom(cls)) {
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helperClass = cls
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break
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}
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}
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}
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helperClass ?: throw Exception()
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val helper = helperClass.getMethod(
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"get",
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Class::class.java, Context::class.java, Any::class.java
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)
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.invoke(null, SafetyNetHelper::class.java, context, this) as SafetyNetHelper
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if (helper.version < Const.SNET_EXT_VER)
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throw Exception()
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helper.attest()
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}.subscribeK(onError = {
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if (die) {
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rxBus.post(SafetyNetResult(-1))
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} else {
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Shell.sh("rm -rf " + EXT_APK.parent).exec()
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EXT_APK.parentFile?.mkdir()
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download(context, true)
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}
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})
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}
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@Suppress("SameParameterValue")
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private fun download(context: Context, askUser: Boolean) {
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fun downloadInternal() = magiskRepo.fetchSafetynet()
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.map { it.byteStream().writeTo(EXT_APK) }
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.subscribeK { invoke(context) }
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if (!askUser) {
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downloadInternal()
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return
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}
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MagiskDialog(context)
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.applyTitle(R.string.proprietary_title)
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.applyMessage(R.string.proprietary_notice)
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.cancellable(false)
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.applyButton(MagiskDialog.ButtonType.POSITIVE) {
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titleRes = R.string.yes
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onClick { downloadInternal() }
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}
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.applyButton(MagiskDialog.ButtonType.NEGATIVE) {
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titleRes = R.string.no_thanks
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onClick { rxBus.post(SafetyNetResult(-2)) }
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}
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.reveal()
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}
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override fun onResponse(responseCode: Int) {
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rxBus.post(SafetyNetResult(responseCode))
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}
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}
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class ViewActionEvent(val action: Activity.() -> Unit) : ViewEvent(), ActivityExecutor {
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override fun invoke(activity: AppCompatActivity) = activity.run(action)
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@ -1,5 +1,62 @@
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package com.topjohnwu.magisk.redesign.safetynet
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import com.topjohnwu.magisk.R
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import com.topjohnwu.magisk.extensions.subscribeK
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import com.topjohnwu.magisk.model.events.SafetyNetResult
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import com.topjohnwu.magisk.model.events.UpdateSafetyNetEvent
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import com.topjohnwu.magisk.redesign.compat.CompatViewModel
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import com.topjohnwu.magisk.ui.home.SafetyNetState.*
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import com.topjohnwu.magisk.utils.KObservableField
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import com.topjohnwu.magisk.utils.RxBus
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import com.topjohnwu.magisk.utils.SafetyNetHelper
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class SafetynetViewModel : CompatViewModel()
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class SafetynetViewModel(
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rxBus: RxBus
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) : CompatViewModel() {
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val safetyNetTitle = KObservableField(R.string.empty)
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val ctsState = KObservableField(IDLE)
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val basicIntegrityState = KObservableField(IDLE)
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init {
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rxBus.register<SafetyNetResult>()
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.subscribeK { resolveResponse(it.responseCode) }
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.add()
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}
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fun attest() = UpdateSafetyNetEvent().publish()
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private fun resolveResponse(response: Int) = when {
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//todo animate (reveal) to result (green/error)
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response and 0x0F == 0 -> {
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val hasCtsPassed = response and SafetyNetHelper.CTS_PASS != 0
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val hasBasicIntegrityPassed = response and SafetyNetHelper.BASIC_PASS != 0
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safetyNetTitle.value = R.string.safetyNet_check_success
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ctsState.value = if (hasCtsPassed) {
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PASS
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} else {
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FAILED
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}
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basicIntegrityState.value = if (hasBasicIntegrityPassed) {
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PASS
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} else {
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FAILED
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}
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}
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//todo animate (collapse) back to initial (fade error)
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response == -2 -> {
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ctsState.value = IDLE
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basicIntegrityState.value = IDLE
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}
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//todo animate (collapse) back to initial (surface)
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else -> {
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ctsState.value = IDLE
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basicIntegrityState.value = IDLE
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safetyNetTitle.value = when (response) {
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SafetyNetHelper.RESPONSE_ERR -> R.string.safetyNet_res_invalid
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else -> R.string.safetyNet_api_error
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}
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}
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}
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}
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10
app/src/main/res/drawable/ic_test.xml
Normal file
10
app/src/main/res/drawable/ic_test.xml
Normal file
@ -0,0 +1,10 @@
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<?xml version="1.0" encoding="utf-8"?>
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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android:width="24dp"
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android:height="24dp"
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android:viewportWidth="24"
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android:viewportHeight="24">
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<path
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android:fillColor="?colorOnSurface"
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android:pathData="M7,2V4H8V18A4,4 0 0,0 12,22A4,4 0 0,0 16,18V4H17V2H7M11,16C10.4,16 10,15.6 10,15C10,14.4 10.4,14 11,14C11.6,14 12,14.4 12,15C12,15.6 11.6,16 11,16M13,12C12.4,12 12,11.6 12,11C12,10.4 12.4,10 13,10C13.6,10 14,10.4 14,11C14,11.6 13.6,12 13,12M14,7H10V4H14V7Z" />
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</vector>
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@ -1,5 +1,6 @@
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<?xml version="1.0" encoding="utf-8"?>
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<layout xmlns:android="http://schemas.android.com/apk/res/android">
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<layout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto">
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<data>
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@ -9,15 +10,41 @@
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</data>
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<androidx.core.widget.NestedScrollView
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<FrameLayout
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:fillViewport="true">
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<androidx.constraintlayout.widget.ConstraintLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content" />
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android:layout_height="match_parent">
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</androidx.core.widget.NestedScrollView>
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<com.google.android.material.button.MaterialButton
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style="?styleButtonText"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:onClick="@{() -> viewModel.attest()}"
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android:text="Attest"
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android:textAllCaps="false"
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app:icon="@drawable/ic_test"
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app:layout_constraintBottom_toBottomOf="parent"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toTopOf="parent" />
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</androidx.constraintlayout.widget.ConstraintLayout>
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<androidx.constraintlayout.widget.ConstraintLayout
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:background="?colorPrimary">
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<androidx.appcompat.widget.AppCompatTextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content" />
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</androidx.constraintlayout.widget.ConstraintLayout>
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</FrameLayout>
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</layout>
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