ui: bifurcate only parts of release but nag about wrong context

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

ui/build.gradle.kts

@@ -49,6 +49,10 @@ android {
             applicationIdSuffix = ".debug"
             versionNameSuffix = "-debug"
         }
+        create("googleplay") {
+            initWith(getByName("release"))
+            matchingFallbacks += "release"
+        }
     }
     lint {
         disable += "LongLogTag"

ui/src/googleplay/AndroidManifest.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission
+        android:name="android.permission.REQUEST_INSTALL_PACKAGES"
+        tools:node="remove" />
+</manifest>

ui/src/main/java/com/wireguard/android/updater/SnackbarUpdateShower.kt

@@ -5,7 +5,10 @@
 
 package com.wireguard.android.updater
 
+import android.content.Intent
+import android.net.Uri
 import android.view.View
+import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.lifecycleScope
@@ -27,10 +30,11 @@ class SnackbarUpdateShower(private val fragment: Fragment) {
     }
 
     private class SwapableSnackbar(fragment: Fragment, view: View, anchor: View?) {
-        val actionSnackbar = makeSnackbar(fragment, view, anchor)
-        val statusSnackbar = makeSnackbar(fragment, view, anchor)
-        var showingAction: Boolean = false
-        var showingStatus: Boolean = false
+        private val actionSnackbar = makeSnackbar(fragment, view, anchor)
+        private val statusSnackbar = makeSnackbar(fragment, view, anchor)
+        private var showingAction: Boolean = false
+        private var showingStatus: Boolean = false
+        private var permanentAction: Boolean = false
 
         private fun makeSnackbar(fragment: Fragment, view: View, anchor: View?): Snackbar {
             val snackbar = Snackbar.make(fragment.requireContext(), view, "", Snackbar.LENGTH_INDEFINITE)
@@ -45,7 +49,7 @@ class SnackbarUpdateShower(private val fragment: Fragment) {
             snackbar.addCallback(object : BaseTransientBottomBar.BaseCallback<Snackbar>() {
                 override fun onDismissed(snackbar: Snackbar?, @DismissEvent event: Int) {
                     super.onDismissed(snackbar, event)
-                    if (event == DISMISS_EVENT_MANUAL || event == DISMISS_EVENT_ACTION ||
+                    if (event == DISMISS_EVENT_MANUAL || (event == DISMISS_EVENT_ACTION && !permanentAction) ||
                         (snackbar == actionSnackbar && !showingAction) || (snackbar == statusSnackbar && !showingStatus)
                     )
                         return
@@ -58,11 +62,12 @@ class SnackbarUpdateShower(private val fragment: Fragment) {
             return snackbar
         }
 
-        fun showAction(text: String, action: String, listener: View.OnClickListener) {
+        fun showAction(text: String, action: String, permanent: Boolean = false, listener: View.OnClickListener) {
             if (showingStatus) {
                 showingStatus = false
                 statusSnackbar.dismiss()
             }
+            permanentAction = permanent
             actionSnackbar.setText(text)
             actionSnackbar.setAction(action, listener)
             if (!showingAction) {
@@ -141,6 +146,18 @@ class SnackbarUpdateShower(private val fragment: Fragment) {
                     delay(5.seconds)
                     progress.retry()
                 }
+
+                is Updater.Progress.Corrupt -> {
+                    snackbar.showAction(context.getString(R.string.updater_corrupt), context.getString(R.string.updater_corrupt_navigate), true) {
+                        val intent = Intent(Intent.ACTION_VIEW)
+                        intent.data = Uri.parse(progress.downloadUrl)
+                        try {
+                            context.startActivity(intent)
+                        } catch (e: Throwable) {
+                            Toast.makeText(context, ErrorMessages[e], Toast.LENGTH_SHORT).show()
+                        }
+                    }
+                }
             }
         }.launchIn(fragment.lifecycleScope)
     }

ui/src/main/java/com/wireguard/android/updater/Updater.kt

@@ -4,12 +4,14 @@
  */
 package com.wireguard.android.updater
 
+import android.Manifest
 import android.app.PendingIntent
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
 import android.content.pm.PackageInstaller
+import android.content.pm.PackageManager
 import android.os.Build
 import android.util.Base64
 import android.util.Log
@@ -116,6 +118,11 @@ object Updater {
                 }
             }
         }
+
+        class Corrupt(private val betterFile: String?) : Progress() {
+            val downloadUrl: String
+                get() = UPDATE_URL_FMT.format(betterFile ?: "")
+        }
     }
 
     private val mutableState = MutableStateFlow<Progress>(Progress.Complete)
@@ -357,9 +364,29 @@ object Updater {
     }
 
     fun monitorForUpdates() {
-        if (installerIsGooglePlay(Application.get()))
+        val context = Application.get()
+
+        if (installerIsGooglePlay(context))
             return
 
+        if (!if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+                @Suppress("DEPRECATION")
+                context.packageManager.getPackageInfo(context.packageName, PackageManager.GET_PERMISSIONS)
+            } else {
+                context.packageManager.getPackageInfo(context.packageName, PackageManager.PackageInfoFlags.of(PackageManager.GET_PERMISSIONS.toLong()))
+            }.requestedPermissions.contains(Manifest.permission.REQUEST_INSTALL_PACKAGES)
+        ) {
+            updaterScope.launch {
+                val update = try {
+                    checkForUpdates()
+                } catch (_: Throwable) {
+                    null
+                }
+                emitProgress(Progress.Corrupt(update?.fileName))
+            }
+            return
+        }
+
         updaterScope.launch {
             if (UserKnobs.updaterNewerVersionSeen.firstOrNull()?.let { Version(it) > CURRENT_VERSION } == true)
                 return@launch

ui/src/main/res/values/strings.xml

@@ -236,6 +236,8 @@
     <string name="updater_download_progress_nototal">Downloading update: %s</string>
     <string name="updater_installing">Installing update…</string>
     <string name="updater_failure">Update failure: %s. Will retry momentarily…</string>
+    <string name="updater_corrupt">This application is corrupt. Please re-download it.</string>
+    <string name="updater_corrupt_navigate">Open Website</string>
     <string name="version_summary">%1$s backend %2$s</string>
     <string name="version_summary_checking">Checking %s backend version</string>
     <string name="version_summary_unknown">Unknown %s version</string>