Add unprovisioned check at setup

app/src/main/java/io/timelimit/android/logic/AppSetupLogic.kt

@@ -1,5 +1,5 @@
 /*
- * TimeLimit Copyright <C> 2019 - 2021 Jonas Lochmann
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -29,6 +29,7 @@ import io.timelimit.android.data.model.*
 import io.timelimit.android.integration.platform.NewPermissionStatus
 import io.timelimit.android.integration.platform.ProtectionLevel
 import io.timelimit.android.integration.platform.RuntimePermissionStatus
+import io.timelimit.android.ui.setup.SetupUnprovisionedCheck
 import io.timelimit.android.ui.user.create.DefaultCategories
 import io.timelimit.android.util.AndroidVersion
 import io.timelimit.android.work.CheckUpdateWorker
@@ -58,6 +59,8 @@ class AppSetupLogic(private val appLogic: AppLogic) {
                 run {
                     val customServerUrl = appLogic.database.config().getCustomServerUrlSync()
 
+                    SetupUnprovisionedCheck.checkSync(appLogic.database)
+
                     // just for safety: delete everything except the custom server url
                     appLogic.database.deleteAllData()
 

app/src/main/java/io/timelimit/android/ui/setup/SetupSelectModeFragment.kt

@@ -1,5 +1,5 @@
 /*
- * TimeLimit Copyright <C> 2019 - 2021 Jonas Lochmann
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,13 +22,19 @@ import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.provider.Settings
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
 import androidx.fragment.app.Fragment
 import androidx.navigation.NavController
 import androidx.navigation.Navigation
+import io.timelimit.android.BuildConfig
 import io.timelimit.android.R
+import io.timelimit.android.async.Threads
+import io.timelimit.android.coroutines.executeAndWait
+import io.timelimit.android.coroutines.runAsync
 import io.timelimit.android.databinding.FragmentSetupSelectModeBinding
 import io.timelimit.android.extensions.safeNavigate
 import io.timelimit.android.logic.DefaultAppLogic
@@ -37,6 +43,7 @@ import io.timelimit.android.ui.setup.privacy.PrivacyInfoDialogFragment
 
 class SetupSelectModeFragment : Fragment() {
     companion object {
+        private const val LOG_TAG = "SetupSelectModeFragment"
         private const val REQ_SETUP_CONNECTED_PARENT = 1
         private const val REQ_SETUP_CONNECTED_CHILD = 2
         private const val REQUEST_SETUP_PARENT_MODE = 3
@@ -82,18 +89,39 @@ class SetupSelectModeFragment : Fragment() {
         }
 
         binding.btnUninstall.setOnClickListener {
-            DefaultAppLogic.with(requireContext()).platformIntegration.disableDeviceAdmin()
+            val context = requireContext().applicationContext
+            val logic = DefaultAppLogic.with(requireContext())
+
+            runAsync {
+                try {
+                    Threads.database.executeAndWait { SetupUnprovisionedCheck.checkSync(logic.database) }
+
+                    logic.platformIntegration.disableDeviceAdmin()
 
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
-                startActivity(
+                        context.startActivity(
-                        Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, Uri.parse("package:${requireContext().packageName}"))
+                            Intent(
+                                Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
+                                Uri.parse("package:${requireContext().packageName}")
+                            )
                                 .addCategory(Intent.CATEGORY_DEFAULT)
                                 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                         )
                     } else {
-                startActivity(
+                        context.startActivity(
-                        Intent(Intent.ACTION_UNINSTALL_PACKAGE, Uri.parse("package:${requireContext().packageName}"))
+                            Intent(
+                                Intent.ACTION_UNINSTALL_PACKAGE,
+                                Uri.parse("package:${requireContext().packageName}")
                             )
+                        )
+                    }
+                } catch (ex: Exception) {
+                    if (BuildConfig.DEBUG) {
+                        Log.w(LOG_TAG, "reset failed", ex)
+                    }
+
+                    Toast.makeText(context, R.string.error_general, Toast.LENGTH_SHORT).show()
+                }
             }
         }
     }

app/src/main/java/io/timelimit/android/ui/setup/SetupUnprovisionedCheck.kt

@@ -0,0 +1,29 @@
+/*
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package io.timelimit.android.ui.setup
+
+import io.timelimit.android.data.Database
+import java.lang.RuntimeException
+
+object SetupUnprovisionedCheck {
+    fun checkSync(database: Database) {
+        if (database.config().getOwnDeviceIdSync() != null) {
+            throw ProvisionedException()
+        }
+    }
+
+    class ProvisionedException: RuntimeException()
+}

app/src/main/java/io/timelimit/android/ui/setup/child/SetupRemoteChildViewModel.kt

@@ -1,5 +1,5 @@
 /*
- * TimeLimit Copyright <C> 2019 - 2020 Jonas Lochmann
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -31,6 +31,7 @@ import io.timelimit.android.sync.ApplyServerDataStatus
 import io.timelimit.android.sync.network.ClientDataStatus
 import io.timelimit.android.sync.network.NewDeviceInfo
 import io.timelimit.android.sync.network.api.UnauthorizedHttpError
+import io.timelimit.android.ui.setup.SetupUnprovisionedCheck
 
 class SetupRemoteChildViewModel(application: Application): AndroidViewModel(application) {
     private val statusInternal = MutableLiveData<SetupRemoteChildStatus>().apply { value = SetupRemoteChildStatus.Idle }
@@ -62,6 +63,8 @@ class SetupRemoteChildViewModel(application: Application): AndroidViewModel(appl
                     logic.database.runInTransaction {
                         val customServerUrl = logic.database.config().getCustomServerUrlSync()
 
+                        SetupUnprovisionedCheck.checkSync(logic.database)
+
                         logic.database.deleteAllData()
                         logic.database.config().setCustomServerUrlSync(customServerUrl)
                         logic.database.config().setOwnDeviceIdSync(registerResponse.ownDeviceId)

app/src/main/java/io/timelimit/android/ui/setup/parent/SetupParentModeModel.kt

@@ -1,5 +1,5 @@
 /*
- * TimeLimit Copyright <C> 2019 - 2020 Jonas Lochmann
+ * TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -37,6 +37,7 @@ import io.timelimit.android.sync.network.ParentPassword
 import io.timelimit.android.sync.network.StatusOfMailAddressResponse
 import io.timelimit.android.sync.network.api.ConflictHttpError
 import io.timelimit.android.sync.network.api.UnauthorizedHttpError
+import io.timelimit.android.ui.setup.SetupUnprovisionedCheck
 import io.timelimit.android.update.UpdateUtil
 import io.timelimit.android.work.PeriodicSyncInBackgroundWorker
 
@@ -106,6 +107,8 @@ class SetupParentModeModel(application: Application): AndroidViewModel(applicati
                     logic.database.runInTransaction {
                         val customServerUrl = logic.database.config().getCustomServerUrlSync()
 
+                        SetupUnprovisionedCheck.checkSync(logic.database)
+
                         database.deleteAllData()
 
                         database.config().setCustomServerUrlSync(customServerUrl)
@@ -175,6 +178,8 @@ class SetupParentModeModel(application: Application): AndroidViewModel(applicati
                     logic.database.runInTransaction {
                         val customServerUrl = logic.database.config().getCustomServerUrlSync()
 
+                        SetupUnprovisionedCheck.checkSync(logic.database)
+
                         database.deleteAllData()
 
                         database.config().setCustomServerUrlSync(customServerUrl)