android, desktop: adapted code for self destruct for ios logic (#3643)

* android, desktop: adapted code for self destruct for ios logic

* init db in case of periodic && self destruct enabled

apps/multiplatform/android/src/main/java/chat/simplex/app/MessagesFetcherWorker.kt

@@ -3,11 +3,12 @@ package chat.simplex.app
 import android.content.Context
 import android.util.Log
 import androidx.work.*
-import chat.simplex.app.*
 import chat.simplex.app.SimplexService.Companion.showPassphraseNotification
 import chat.simplex.common.model.ChatController
 import chat.simplex.common.views.helpers.DBMigrationResult
-import chat.simplex.app.BuildConfig
+import chat.simplex.common.platform.chatModel
+import chat.simplex.common.platform.initChatControllerAndRunMigrations
+import chat.simplex.common.views.helpers.DatabaseUtils
 import kotlinx.coroutines.*
 import java.util.Date
 import java.util.concurrent.TimeUnit
@@ -57,6 +58,10 @@ class MessagesFetcherWork(
     val durationSeconds = inputData.getInt(INPUT_DATA_DURATION, 60)
     var shouldReschedule = true
     try {
+      // In case of self-destruct is enabled the initialization process will not start in SimplexApp, Let's start it here
+      if (DatabaseUtils.ksSelfDestructPassword.get() != null && chatModel.chatDbStatus.value == null) {
+        initChatControllerAndRunMigrations()
+      }
       withTimeout(durationSeconds * 1000L) {
         val chatController = ChatController
         SimplexService.waitDbMigrationEnds(chatController)

apps/multiplatform/android/src/main/java/chat/simplex/app/SimplexApp.kt

@@ -26,6 +26,7 @@ import kotlinx.coroutines.sync.withLock
 import java.io.*
 import java.util.*
 import java.util.concurrent.TimeUnit
+import kotlin.system.exitProcess
 
 const val TAG = "SIMPLEX"
 
@@ -46,8 +47,8 @@ class SimplexApp: Application(), LifecycleEventObserver {
           try {
             Looper.loop()
           } catch (e: Throwable) {
-            if (e.message != null && e.message!!.startsWith("Unable to start activity")) {
+            if (e is UnsatisfiedLinkError || e.message?.startsWith("Unable to start activity") == true) {
-              android.os.Process.killProcess(android.os.Process.myPid())
+              Process.killProcess(Process.myPid())
               break
             } else {
               // Send it to our exception handled because it will not get the exception otherwise
@@ -63,7 +64,9 @@ class SimplexApp: Application(), LifecycleEventObserver {
     tmpDir.deleteRecursively()
     tmpDir.mkdir()
 
-    initChatControllerAndRunMigrations(false)
+    if (DatabaseUtils.ksSelfDestructPassword.get() == null) {
+      initChatControllerAndRunMigrations()
+    }
     ProcessLifecycleOwner.get().lifecycle.addObserver(this@SimplexApp)
   }
 

apps/multiplatform/android/src/main/java/chat/simplex/app/SimplexService.kt

@@ -72,6 +72,10 @@ class SimplexService: Service() {
       stopSelf()
     } else {
       isServiceStarted = true
+      // In case of self-destruct is enabled the initialization process will not start in SimplexApp, Let's start it here
+      if (DatabaseUtils.ksSelfDestructPassword.get() != null && chatModel.chatDbStatus.value == null) {
+        initChatControllerAndRunMigrations()
+      }
     }
   }
 

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/Core.kt

@@ -41,21 +41,20 @@ val appPreferences: AppPreferences
 
 val chatController: ChatController = ChatController
 
-fun initChatControllerAndRunMigrations(ignoreSelfDestruct: Boolean) {
+fun initChatControllerAndRunMigrations() {
-  if (ignoreSelfDestruct || DatabaseUtils.ksSelfDestructPassword.get() == null) {
+  withBGApi {
-    withBGApi {
+    if (appPreferences.chatStopped.get() && appPreferences.storeDBPassphrase.get() && ksDatabasePassword.get() != null) {
-      if (appPreferences.chatStopped.get() && appPreferences.storeDBPassphrase.get() && ksDatabasePassword.get() != null) {
+      initChatController(startChat = ::showStartChatAfterRestartAlert)
-        initChatController(startChat = ::showStartChatAfterRestartAlert)
+    } else {
-      } else {
+      initChatController()
-        initChatController()
-      }
-      runMigrations()
     }
+    runMigrations()
   }
 }
 
 suspend fun initChatController(useKey: String? = null, confirmMigrations: MigrationConfirmation? = null, startChat: () -> CompletableDeferred<Boolean> = { CompletableDeferred(true) }) {
   try {
+    if (chatModel.ctrlInitInProgress.value) return
     chatModel.ctrlInitInProgress.value = true
     val dbKey = useKey ?: DatabaseUtils.useDatabaseKey()
     val confirm = confirmMigrations ?: if (appPreferences.confirmDBUpgrades.get()) MigrationConfirmation.Error else MigrationConfirmation.YesUp

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/database/DatabaseView.kt

@@ -460,10 +460,10 @@ suspend fun deleteChatAsync(m: ChatModel) {
   m.controller.apiDeleteStorage()
   DatabaseUtils.ksDatabasePassword.remove()
   m.controller.appPrefs.storeDBPassphrase.set(true)
-  deleteChatDatabaseFiles()
+  deleteAppDatabaseAndFiles()
 }
 
-fun deleteChatDatabaseFiles() {
+fun deleteAppDatabaseAndFiles() {
   val chat = File(dataDir, chatDatabaseFileName)
   val chatBak = File(dataDir, "$chatDatabaseFileName.bak")
   val agent = File(dataDir, agentDatabaseFileName)
@@ -473,6 +473,7 @@ fun deleteChatDatabaseFiles() {
   agent.delete()
   agentBak.delete()
   filesDir.deleteRecursively()
+  filesDir.mkdir()
   remoteHostsDir.deleteRecursively()
   tmpDir.deleteRecursively()
   tmpDir.mkdir()

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/helpers/DatabaseUtils.kt

@@ -17,7 +17,7 @@ object DatabaseUtils {
   val ksAppPassword = KeyStoreItem(APP_PASSWORD_ALIAS, appPreferences.encryptedAppPassphrase, appPreferences.initializationVectorAppPassphrase)
   val ksSelfDestructPassword = KeyStoreItem(SELF_DESTRUCT_PASSWORD_ALIAS, appPreferences.encryptedSelfDestructPassphrase, appPreferences.initializationVectorSelfDestructPassphrase)
 
-  class KeyStoreItem(val alias: String, val passphrase: SharedPreference<String?>, val initVector: SharedPreference<String?>) {
+  class KeyStoreItem(private val alias: String, val passphrase: SharedPreference<String?>, val initVector: SharedPreference<String?>) {
     fun get(): String? {
       return cryptor.decryptData(
         passphrase.get()?.toByteArrayFromBase64ForPassphrase() ?: return null,

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/localauth/LocalAuthView.kt

@@ -34,7 +34,7 @@ fun LocalAuthView(m: ChatModel, authRequest: LocalAuthRequest) {
       } else {
         val r: LAResult = if (passcode.value == authRequest.password) {
           if (authRequest.selfDestruct && sdPassword != null && controller.ctrl == -1L) {
-            initChatControllerAndRunMigrations(true)
+            initChatControllerAndRunMigrations()
           }
           LAResult.Success
         } else {
@@ -67,8 +67,8 @@ private fun deleteStorageAndRestart(m: ChatModel, password: String, completed: (
          * */
         chatCloseStore(ctrl)
       }
-      deleteChatDatabaseFiles()
+      deleteAppDatabaseAndFiles()
-      // Clear sensitive data on screen just in case ModalManager will fail to prevent hiding its modals while database encrypts itself
+      // Clear sensitive data on screen just in case ModalManager fails to hide its modals while new database is created
       m.chatId.value = null
       m.chatItems.clear()
       m.chats.clear()

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/localauth/SetAppPasscodeView.kt

@@ -12,6 +12,7 @@ import chat.simplex.res.MR
 @Composable
 fun SetAppPasscodeView(
   passcodeKeychain: DatabaseUtils.KeyStoreItem = ksAppPassword,
+  prohibitedPasscodeKeychain: DatabaseUtils.KeyStoreItem = ksSelfDestructPassword,
   title: String = generalGetString(MR.strings.new_passcode),
   reason: String? = null,
   submit: () -> Unit,
@@ -51,7 +52,7 @@ fun SetAppPasscodeView(
   } else {
     SetPasswordView(title, generalGetString(MR.strings.save_verb),
       // Do not allow to set app passcode == selfDestruct passcode
-      submitEnabled = { pwd -> pwd != (if (passcodeKeychain.alias == ksSelfDestructPassword.alias) ksAppPassword else ksSelfDestructPassword).get() }) {
+      submitEnabled = { pwd -> pwd != prohibitedPasscodeKeychain.get() }) {
       enteredPassword = passcode.value
       passcode.value = ""
       confirming = true

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/usersettings/PrivacySettings.kt

@@ -454,6 +454,7 @@ fun SimplexLockView(
             Surface(Modifier.fillMaxSize(), color = MaterialTheme.colors.background, contentColor = LocalContentColor.current) {
               SetAppPasscodeView(
                 passcodeKeychain = ksSelfDestructPassword,
+                prohibitedPasscodeKeychain = ksAppPassword,
                 reason = generalGetString(MR.strings.self_destruct),
                 submit = {
                   selfDestructPasscodeAlert(generalGetString(MR.strings.self_destruct_passcode_changed))
@@ -600,7 +601,7 @@ private fun EnableSelfDestruct(
 ) {
   Surface(Modifier.fillMaxSize(), color = MaterialTheme.colors.background, contentColor = LocalContentColor.current) {
     SetAppPasscodeView(
-      passcodeKeychain = ksSelfDestructPassword, title = generalGetString(MR.strings.set_passcode), reason = generalGetString(MR.strings.enabled_self_destruct_passcode),
+      passcodeKeychain = ksSelfDestructPassword, prohibitedPasscodeKeychain = ksAppPassword, title = generalGetString(MR.strings.set_passcode), reason = generalGetString(MR.strings.enabled_self_destruct_passcode),
       submit = {
         selfDestruct.set(true)
         selfDestructPasscodeAlert(generalGetString(MR.strings.self_destruct_passcode_enabled))

apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/platform/AppCommon.desktop.kt

@@ -24,7 +24,9 @@ fun initApp() {
     override fun cancelAllNotifications() = chat.simplex.common.model.NtfManager.cancelAllNotifications()
   }
   applyAppLocale()
-  initChatControllerAndRunMigrations(false)
+  if (DatabaseUtils.ksSelfDestructPassword.get() == null) {
+    initChatControllerAndRunMigrations()
+  }
   // LALAL
   //testCrypto()
 }