Streamline export account data to not save to disk.

app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java

@@ -492,9 +492,6 @@ public class ApplicationContext extends MultiDexApplication implements AppForegr
   private void initializeCleanup() {
     int deleted = SignalDatabase.attachments().deleteAbandonedPreuploadedAttachments();
     Log.i(TAG, "Deleted " + deleted + " abandoned attachments.");
-    if (SignalStore.account().clearOldAccountDataReport()) {
-      Log.i(TAG, "Deleted " + deleted + " expired account data report.");
-    }
   }
 
   private void initializeGlideCodecs() {

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/account/export/ExportAccountDataFragment.kt

@@ -1,5 +1,7 @@
 package org.thoughtcrime.securesms.components.settings.app.account.export
 
+import android.os.Bundle
+import android.view.View
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement.Center
@@ -10,7 +12,6 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.wrapContentSize
 import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.Card
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.LocalTextStyle
@@ -32,7 +33,7 @@ import androidx.compose.ui.window.DialogProperties
 import androidx.core.app.ShareCompat
 import androidx.fragment.app.viewModels
 import androidx.navigation.fragment.findNavController
-import com.google.android.material.snackbar.Snackbar
+import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import org.signal.core.ui.Buttons
 import org.signal.core.ui.Dialogs
 import org.signal.core.ui.Rows
@@ -42,6 +43,7 @@ import org.signal.core.util.logging.Log
 import org.thoughtcrime.securesms.R
 import org.thoughtcrime.securesms.compose.ComposeFragment
 import org.thoughtcrime.securesms.util.CommunicationActions
+import org.thoughtcrime.securesms.util.LifecycleDisposable
 import org.thoughtcrime.securesms.util.SpanUtil
 
 class ExportAccountDataFragment : ComposeFragment() {
@@ -52,27 +54,29 @@ class ExportAccountDataFragment : ComposeFragment() {
 
   private val viewModel: ExportAccountDataViewModel by viewModels()
 
-  private fun deleteReport() {
-    viewModel.deleteReport()
-    Snackbar.make(requireView(), R.string.ExportAccountDataFragment__delete_report_snackbar, Snackbar.LENGTH_SHORT).show()
+  private val disposables = LifecycleDisposable()
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    super.onViewCreated(view, savedInstanceState)
+
+    disposables.bindTo(viewLifecycleOwner)
   }
 
   private fun exportReport() {
-    val report = viewModel.onGenerateReport()
-    ShareCompat.IntentBuilder(requireContext())
-      .setStream(report.uri)
-      .setType(report.mimeType)
-      .startChooser()
+    disposables += viewModel.onGenerateReport()
+      .observeOn(AndroidSchedulers.mainThread())
+      .subscribe { report ->
+        ShareCompat.IntentBuilder(requireContext())
+          .setStream(report.uri)
+          .setType(report.mimeType)
+          .startChooser()
+      }
   }
 
   private fun dismissExportDialog() {
     viewModel.dismissExportConfirmationDialog()
   }
 
-  private fun dismissDeleteDialog() {
-    viewModel.dismissDeleteConfirmationDialog()
-  }
-
   private fun dismissDownloadErrorDialog() {
     viewModel.dismissDownloadErrorDialog()
   }
@@ -128,11 +132,7 @@ class ExportAccountDataFragment : ComposeFragment() {
           }
 
           item {
-            if (state.reportDownloaded) {
-              ExportReportOptions(exportAsJson = state.exportAsJson)
-            } else {
-              DownloadReportOptions()
-            }
+            ExportReportOptions(exportAsJson = state.exportAsJson)
           }
         }
         if (state.downloadInProgress) {
@@ -141,8 +141,6 @@ class ExportAccountDataFragment : ComposeFragment() {
           DownloadFailedDialog()
         } else if (state.showExportDialog) {
           ExportReportConfirmationDialog()
-        } else if (state.showDeleteDialog) {
-          DeleteReportConfirmationDialog()
         }
       }
     }
@@ -175,25 +173,13 @@ class ExportAccountDataFragment : ComposeFragment() {
   @Composable
   private fun DownloadFailedDialog() {
     Dialogs.SimpleMessageDialog(
-      message = stringResource(id = R.string.ExportAccountDataFragment__report_download_failed),
+      message = stringResource(id = R.string.ExportAccountDataFragment__check_network),
       dismiss = stringResource(id = R.string.ExportAccountDataFragment__ok_action),
+      title = stringResource(id = R.string.ExportAccountDataFragment__report_generation_failed),
       onDismiss = this::dismissDownloadErrorDialog
     )
   }
 
-  @Composable
-  private fun DeleteReportConfirmationDialog() {
-    Dialogs.SimpleAlertDialog(
-      title = stringResource(R.string.ExportAccountDataFragment__delete_report_confirmation),
-      body = stringResource(R.string.ExportAccountDataFragment__delete_report_confirmation_message),
-      confirm = stringResource(R.string.ExportAccountDataFragment__delete_report_action),
-      dismiss = stringResource(R.string.ExportAccountDataFragment__cancel_action),
-      onConfirm = this::deleteReport,
-      onDismiss = this::dismissDeleteDialog,
-      confirmColor = MaterialTheme.colorScheme.error
-    )
-  }
-
   @Composable
   private fun ExportReportConfirmationDialog() {
     Dialogs.SimpleAlertDialog(
@@ -206,22 +192,6 @@ class ExportAccountDataFragment : ComposeFragment() {
     )
   }
 
-  @Composable
-  private fun DownloadReportOptions() {
-    Buttons.LargeTonal(
-      onClick = viewModel::onDownloadReport,
-      modifier = Modifier
-        .fillMaxWidth()
-        .padding(top = 52.dp, start = 32.dp, end = 32.dp)
-    ) {
-      Text(
-        text = stringResource(R.string.ExportAccountDataFragment__download_report),
-        style = MaterialTheme.typography.labelLarge,
-        color = MaterialTheme.colorScheme.onPrimaryContainer
-      )
-    }
-  }
-
   @Composable
   private fun ExportReportOptions(exportAsJson: Boolean) {
     Rows.RadioRow(
@@ -255,22 +225,8 @@ class ExportAccountDataFragment : ComposeFragment() {
       )
     }
 
-    Buttons.LargeTonal(
-      onClick = viewModel::showDeleteConfirmationDialog,
-      colors = ButtonDefaults.textButtonColors(contentColor = MaterialTheme.colorScheme.error),
-      modifier = Modifier
-        .fillMaxWidth()
-        .padding(top = 14.dp, start = 32.dp, end = 32.dp)
-    ) {
-      Text(
-        text = stringResource(R.string.ExportAccountDataFragment__delete_report),
-        style = MaterialTheme.typography.labelLarge,
-        color = MaterialTheme.colorScheme.error
-      )
-    }
-
     Text(
-      text = stringResource(id = R.string.ExportAccountDataFragment__report_deletion_disclaimer),
+      text = stringResource(id = R.string.ExportAccountDataFragment__report_not_stored_disclaimer),
       style = MaterialTheme.typography.bodySmall,
       textAlign = TextAlign.Start,
       modifier = Modifier.padding(top = 16.dp, start = 24.dp, end = 28.dp, bottom = 20.dp)

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/account/export/ExportAccountDataRepository.kt

@@ -3,10 +3,9 @@ package org.thoughtcrime.securesms.components.settings.app.account.export
 import android.net.Uri
 import com.fasterxml.jackson.databind.JsonNode
 import com.fasterxml.jackson.databind.node.ObjectNode
-import io.reactivex.rxjava3.core.Completable
+import io.reactivex.rxjava3.core.Single
 import io.reactivex.rxjava3.schedulers.Schedulers
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
-import org.thoughtcrime.securesms.keyvalue.SignalStore
 import org.thoughtcrime.securesms.providers.BlobProvider
 import org.thoughtcrime.securesms.util.JsonUtils
 import org.whispersystems.signalservice.api.SignalServiceAccountManager
@@ -16,18 +15,17 @@ class ExportAccountDataRepository(
   private val accountManager: SignalServiceAccountManager = ApplicationDependencies.getSignalServiceAccountManager()
 ) {
 
-  fun downloadAccountDataReport(): Completable {
-    return Completable.create {
+  fun downloadAccountDataReport(exportAsJson: Boolean): Single<ExportedReport> {
+    return Single.create {
       try {
-        SignalStore.account().setAccountDataReport(accountManager.accountDataReport, System.currentTimeMillis())
-        it.onComplete()
+        it.onSuccess(generateAccountDataReport(accountManager.accountDataReport, exportAsJson))
       } catch (e: IOException) {
         it.onError(e)
       }
     }.subscribeOn(Schedulers.io())
   }
 
-  fun generateAccountDataReport(exportAsJson: Boolean): ExportedReport {
+  private fun generateAccountDataReport(report: String, exportAsJson: Boolean): ExportedReport {
     val mimeType: String
     val fileName: String
     if (exportAsJson) {
@@ -38,7 +36,7 @@ class ExportAccountDataRepository(
       fileName = "account-data.txt"
     }
 
-    val tree: JsonNode = JsonUtils.getMapper().readTree(SignalStore.account().accountDataReport)
+    val tree: JsonNode = JsonUtils.getMapper().readTree(report)
     val dataStr = if (exportAsJson) {
       (tree as ObjectNode).remove("text")
       tree.toString()
@@ -50,7 +48,7 @@ class ExportAccountDataRepository(
       .forData(dataStr.encodeToByteArray())
       .withMimeType(mimeType)
       .withFileName(fileName)
-      .createForSingleSessionInMemory()
+      .createForSingleUseInMemory()
 
     return ExportedReport(mimeType = mimeType, uri = uri)
   }

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/account/export/ExportAccountDataState.kt

@@ -1,10 +1,8 @@
 package org.thoughtcrime.securesms.components.settings.app.account.export
 
 data class ExportAccountDataState(
-  val reportDownloaded: Boolean,
   val downloadInProgress: Boolean,
   val exportAsJson: Boolean,
   val showDownloadFailedDialog: Boolean = false,
-  val showDeleteDialog: Boolean = false,
   val showExportDialog: Boolean = false
 )

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/account/export/ExportAccountDataViewModel.kt

@@ -4,10 +4,11 @@ import androidx.compose.runtime.State
 import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
+import io.reactivex.rxjava3.core.Maybe
 import io.reactivex.rxjava3.disposables.CompositeDisposable
 import io.reactivex.rxjava3.kotlin.plusAssign
+import io.reactivex.rxjava3.subjects.MaybeSubject
 import org.signal.core.util.logging.Log
-import org.thoughtcrime.securesms.keyvalue.SignalStore
 
 class ExportAccountDataViewModel(
   private val repository: ExportAccountDataRepository = ExportAccountDataRepository()
@@ -20,26 +21,25 @@ class ExportAccountDataViewModel(
   private val disposables = CompositeDisposable()
 
   private val _state = mutableStateOf(
-    ExportAccountDataState(reportDownloaded = false, downloadInProgress = false, exportAsJson = false)
+    ExportAccountDataState(downloadInProgress = false, exportAsJson = false)
   )
 
   val state: State<ExportAccountDataState> = _state
 
-  init {
-    _state.value = _state.value.copy(reportDownloaded = SignalStore.account().hasAccountDataReport())
-  }
-
-  fun onGenerateReport(): ExportAccountDataRepository.ExportedReport = repository.generateAccountDataReport(state.value.exportAsJson)
-  fun onDownloadReport() {
+  fun onGenerateReport(): Maybe<ExportAccountDataRepository.ExportedReport> {
     _state.value = _state.value.copy(downloadInProgress = true)
-    disposables += repository.downloadAccountDataReport()
+    val maybe = MaybeSubject.create<ExportAccountDataRepository.ExportedReport>()
+    disposables += repository.downloadAccountDataReport(state.value.exportAsJson)
       .observeOn(AndroidSchedulers.mainThread())
-      .subscribe({
-        _state.value = _state.value.copy(downloadInProgress = false, reportDownloaded = true)
+      .subscribe({ report ->
+        _state.value = _state.value.copy(downloadInProgress = false)
+        maybe.onSuccess(report)
       }, { throwable ->
         Log.e(TAG, throwable)
         _state.value = _state.value.copy(downloadInProgress = false, showDownloadFailedDialog = true)
+        maybe.onComplete()
       })
+    return maybe
   }
 
   fun setExportAsJson() {
@@ -50,14 +50,6 @@ class ExportAccountDataViewModel(
     _state.value = _state.value.copy(exportAsJson = false)
   }
 
-  fun showDeleteConfirmationDialog() {
-    _state.value = _state.value.copy(showDeleteDialog = true)
-  }
-
-  fun dismissDeleteConfirmationDialog() {
-    _state.value = _state.value.copy(showDeleteDialog = false)
-  }
-
   fun dismissDownloadErrorDialog() {
     _state.value = _state.value.copy(showDownloadFailedDialog = false)
   }
@@ -70,11 +62,6 @@ class ExportAccountDataViewModel(
     _state.value = _state.value.copy(showExportDialog = false)
   }
 
-  fun deleteReport() {
-    SignalStore.account().deleteAccountDataReport()
-    _state.value = _state.value.copy(reportDownloaded = false)
-  }
-
   override fun onCleared() {
     disposables.dispose()
   }

app/src/main/java/org/thoughtcrime/securesms/keyvalue/AccountValues.kt

@@ -26,7 +26,6 @@ import org.whispersystems.signalservice.api.push.PNI
 import org.whispersystems.signalservice.api.push.ServiceIds
 import org.whispersystems.signalservice.api.push.SignalServiceAddress
 import java.security.SecureRandom
-import kotlin.time.Duration.Companion.days
 
 internal class AccountValues internal constructor(store: KeyValueStore) : SignalStoreValues(store) {
 
@@ -58,12 +57,6 @@ internal class AccountValues internal constructor(store: KeyValueStore) : Signal
     private const val KEY_PNI_SIGNED_PREKEY_FAILURE_COUNT = "account.pni_signed_prekey_failure_count"
     private const val KEY_PNI_NEXT_ONE_TIME_PREKEY_ID = "account.pni_next_one_time_prekey_id"
 
-    @VisibleForTesting
-    const val KEY_ACCOUNT_DATA_REPORT = "account.data_report"
-
-    @VisibleForTesting
-    const val KEY_ACCOUNT_DATA_REPORT_DOWNLOAD_TIME = "account.data_report_download_time"
-
     @VisibleForTesting
     const val KEY_E164 = "account.e164"
 
@@ -324,34 +317,6 @@ internal class AccountValues internal constructor(store: KeyValueStore) : Signal
     }
   }
 
-  val accountDataReport: String?
-    get() = getString(KEY_ACCOUNT_DATA_REPORT, null)
-
-  fun setAccountDataReport(report: String, downloadTime: Long) {
-    store.beginWrite()
-      .putString(KEY_ACCOUNT_DATA_REPORT, report)
-      .putLong(KEY_ACCOUNT_DATA_REPORT_DOWNLOAD_TIME, downloadTime)
-      .apply()
-  }
-
-  fun hasAccountDataReport(): Boolean = store.containsKey(KEY_ACCOUNT_DATA_REPORT)
-
-  fun clearOldAccountDataReport(): Boolean {
-    return if (hasAccountDataReport() && (getLong(KEY_ACCOUNT_DATA_REPORT_DOWNLOAD_TIME, 0) + 30.days.inWholeMilliseconds) < System.currentTimeMillis()) {
-      deleteAccountDataReport()
-      true
-    } else {
-      false
-    }
-  }
-
-  fun deleteAccountDataReport() {
-    store.beginWrite()
-      .remove(KEY_ACCOUNT_DATA_REPORT)
-      .remove(KEY_ACCOUNT_DATA_REPORT_DOWNLOAD_TIME)
-      .apply()
-  }
-
   val deviceName: String?
     get() = getString(KEY_DEVICE_NAME, null)