Allow opting out of key transparency.

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/privacy/advanced/AdvancedPrivacySettingsFragment.kt

@@ -45,6 +45,7 @@ import org.thoughtcrime.securesms.R
 import org.thoughtcrime.securesms.compose.ComposeFragment
 import org.thoughtcrime.securesms.compose.rememberStatusBarColorNestedScrollModifier
 import org.thoughtcrime.securesms.util.CommunicationActions
+import org.thoughtcrime.securesms.util.RemoteConfig
 import org.thoughtcrime.securesms.util.viewModel
 
 /**
@@ -152,6 +153,17 @@ class AdvancedPrivacySettingsFragment : ComposeFragment() {
         getString(R.string.AdvancedPrivacySettingsFragment__sealed_sender_link)
       )
     }
+
+    override fun onAllowAutomaticVerificationChanged(enabled: Boolean) {
+      viewModel.setAllowAutomaticVerification(enabled)
+    }
+
+    override fun onAutomaticVerificationLearnMoreClick() {
+      CommunicationActions.openBrowserLink(
+        requireContext(),
+        getString(R.string.verify_display_fragment__link)
+      )
+    }
   }
 }
 
@@ -163,6 +175,8 @@ private interface AdvancedPrivacySettingsCallbacks {
   fun onShowStatusIconForSealedSenderChanged(enabled: Boolean) = Unit
   fun onAllowSealedSenderFromAnyoneChanged(enabled: Boolean) = Unit
   fun onSealedSenderLearnMoreClick() = Unit
+  fun onAutomaticVerificationLearnMoreClick() = Unit
+  fun onAllowAutomaticVerificationChanged(enabled: Boolean) = Unit
 
   object Empty : AdvancedPrivacySettingsCallbacks
 }
@@ -284,6 +298,33 @@ private fun AdvancedPrivacySettingsScreen(
           text = sealedSenderSummary
         )
       }
+
+      if (RemoteConfig.keyTransparency) {
+        item {
+          Dividers.Default()
+        }
+
+        item {
+          val label = buildAnnotatedString {
+            append(stringResource(R.string.preferences_automatic_key_verification_body))
+            append(" ")
+            withLink(
+              LinkAnnotation.Clickable("learn-more", linkInteractionListener = {
+                callbacks.onAutomaticVerificationLearnMoreClick()
+              })
+            ) {
+              append(stringResource(R.string.LearnMoreTextView_learn_more))
+            }
+          }
+
+          Rows.ToggleRow(
+            checked = state.allowAutomaticKeyVerification,
+            text = AnnotatedString(stringResource(R.string.preferences_automatic_key_verification)),
+            label = label,
+            onCheckChanged = callbacks::onAllowAutomaticVerificationChanged
+          )
+        }
+      }
     }
   }
 }
@@ -300,7 +341,8 @@ private fun AdvancedPrivacySettingsScreenPreview() {
         censorshipCircumventionEnabled = false,
         showSealedSenderStatusIcon = false,
         allowSealedSenderFromAnyone = false,
-        showProgressSpinner = false
+        showProgressSpinner = false,
+        allowAutomaticKeyVerification = false
       ),
       callbacks = AdvancedPrivacySettingsCallbacks.Empty
     )

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/privacy/advanced/AdvancedPrivacySettingsState.kt

@@ -7,7 +7,8 @@ data class AdvancedPrivacySettingsState(
   val censorshipCircumventionEnabled: Boolean,
   val showSealedSenderStatusIcon: Boolean,
   val allowSealedSenderFromAnyone: Boolean,
-  val showProgressSpinner: Boolean
+  val showProgressSpinner: Boolean,
+  val allowAutomaticKeyVerification: Boolean
 )
 
 enum class CensorshipCircumventionState(val available: Boolean) {

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/privacy/advanced/AdvancedPrivacySettingsViewModel.kt

@@ -2,6 +2,7 @@ package org.thoughtcrime.securesms.components.settings.app.privacy.advanced
 
 import android.content.SharedPreferences
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.disposables.CompositeDisposable
 import kotlinx.coroutines.flow.MutableSharedFlow
@@ -9,12 +10,17 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import org.signal.core.util.concurrent.SignalDispatchers
+import org.thoughtcrime.securesms.database.SignalDatabase
 import org.thoughtcrime.securesms.dependencies.AppDependencies
 import org.thoughtcrime.securesms.jobmanager.impl.NetworkConstraint
 import org.thoughtcrime.securesms.jobs.RefreshAttributesJob
 import org.thoughtcrime.securesms.jobs.RefreshOwnProfileJob
 import org.thoughtcrime.securesms.keyvalue.SettingsValues
 import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.thoughtcrime.securesms.recipients.Recipient
+import org.thoughtcrime.securesms.storage.StorageSyncHelper
 import org.thoughtcrime.securesms.util.SignalE164Util
 import org.thoughtcrime.securesms.util.TextSecurePreferences
 import org.whispersystems.signalservice.api.websocket.WebSocketConnectionState
@@ -63,6 +69,18 @@ class AdvancedPrivacySettingsViewModel(
     refresh()
   }
 
+  fun setAllowAutomaticVerification(enabled: Boolean) {
+    SignalStore.settings.automaticVerificationEnabled = enabled
+    refresh()
+    viewModelScope.launch(SignalDispatchers.IO) {
+      if (!enabled) {
+        SignalDatabase.recipients.clearAllKeyTransparencyData()
+      }
+      SignalDatabase.recipients.markNeedsSync(Recipient.self().id)
+      StorageSyncHelper.scheduleSyncForDataChange()
+    }
+  }
+
   fun refresh() {
     store.update { getState().copy(showProgressSpinner = it.showProgressSpinner) }
   }
@@ -85,7 +103,8 @@ class AdvancedPrivacySettingsViewModel(
       allowSealedSenderFromAnyone = TextSecurePreferences.isUniversalUnidentifiedAccess(
         AppDependencies.application
       ),
-      false
+      showProgressSpinner = false,
+      allowAutomaticKeyVerification = SignalStore.settings.automaticVerificationEnabled
     )
   }