Improve new convo error messages

app/src/main/java/org/thoughtcrime/securesms/conversation/start/NewConversationFragment.kt

@@ -46,7 +46,7 @@ class NewConversationFragment : BottomSheetDialogFragment(), NewConversationDele
             val bottomSheetDialog = it as BottomSheetDialog
             val parentLayout =
                 bottomSheetDialog.findViewById<View>(com.google.android.material.R.id.design_bottom_sheet)
-            parentLayout?.let { it ->
+            parentLayout?.let {
                 val behaviour = BottomSheetBehavior.from(it)
                 val layoutParams = it.layoutParams
                 layoutParams.height = defaultPeekHeight

app/src/main/java/org/thoughtcrime/securesms/dms/NewMessageFragment.kt

@@ -60,8 +60,12 @@ class NewMessageFragment : Fragment() {
     }
 
     private fun createPrivateChatIfPossible(onsNameOrPublicKey: String) {
-        if (PublicKeyValidation.isValid(onsNameOrPublicKey)) {
+        if (PublicKeyValidation.isValid(onsNameOrPublicKey, isPrefixRequired = false)) {
+            if (PublicKeyValidation.hasValidPrefix(onsNameOrPublicKey)) {
                 createPrivateChat(onsNameOrPublicKey)
+            } else {
+                Toast.makeText(requireContext(), R.string.accountIdErrorInvalid, Toast.LENGTH_SHORT).show()
+            }
         } else {
             // This could be an ONS name
             showLoader()
@@ -70,9 +74,9 @@ class NewMessageFragment : Fragment() {
                 createPrivateChat(hexEncodedPublicKey)
             }.failUi { exception ->
                 hideLoader()
-                var message = getString(R.string.fragment_enter_public_key_error_message)
+                val message = when (exception) {
-                exception.localizedMessage?.let {
+                    is SnodeAPI.Error.Generic -> "We couldn’t recognize this ONS. Please check and try again."
-                    message = it
+                    else -> exception.localizedMessage ?: getString(R.string.fragment_enter_public_key_error_message)
                 }
                 Toast.makeText(requireContext(), message, Toast.LENGTH_SHORT).show()
             }
@@ -81,12 +85,11 @@ class NewMessageFragment : Fragment() {
 
     private fun createPrivateChat(hexEncodedPublicKey: String) {
         val recipient = Recipient.from(requireContext(), Address.fromSerialized(hexEncodedPublicKey), false)
-        val intent = Intent(requireContext(), ConversationActivityV2::class.java)
+        Intent(requireContext(), ConversationActivityV2::class.java).apply {
-        intent.putExtra(ConversationActivityV2.ADDRESS, recipient.address)
+            putExtra(ConversationActivityV2.ADDRESS, recipient.address)
-        intent.setDataAndType(requireActivity().intent.data, requireActivity().intent.type)
+            setDataAndType(requireActivity().intent.data, requireActivity().intent.type)
-        val existingThread = DatabaseComponent.get(requireContext()).threadDatabase().getThreadIdIfExistsFor(recipient)
+            putExtra(ConversationActivityV2.THREAD_ID, DatabaseComponent.get(requireContext()).threadDatabase().getThreadIdIfExistsFor(recipient))
-        intent.putExtra(ConversationActivityV2.THREAD_ID, existingThread)
+        }.let(requireContext()::startActivity)
-        requireContext().startActivity(intent)
         delegate.onDialogClosePressed()
     }
 

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

@@ -1081,4 +1081,5 @@
     <string name="activity_link_load_account">Load Account</string>
     <string name="activity_link_camera_permission_permanently_denied_configure_in_settings">Camera Permission permanently denied. Configure in settings.</string>
     <string name="activity_link_enter_your_recovery_password_to_load_your_account_if_you_haven_t_saved_it_you_can_find_it_in_your_app_settings">Enter your recovery password to load your account. If you haven\'t saved it, you can find it in your app settings.</string>
+    <string name="accountIdErrorInvalid">This Account ID is invalid. Please check and try again.</string>
 </resources>

libsession/src/main/java/org/session/libsession/snode/SnodeAPI.kt

@@ -91,7 +91,7 @@ object SnodeAPI {
     const val useTestnet = false
 
     // Error
-    internal sealed class Error(val description: String) : Exception(description) {
+    sealed class Error(val description: String) : Exception(description) {
         object Generic : Error("An error occurred.")
         object ClockOutOfSync : Error("Your clock is out of sync with the Service Node network.")
         object NoKeyPair : Error("Missing user key pair.")

libsignal/src/main/java/org/session/libsignal/utilities/IdPrefix.kt

@@ -1,7 +1,7 @@
 package org.session.libsignal.utilities
 
 enum class IdPrefix(val value: String) {
-    STANDARD("05"), BLINDED("15"), UN_BLINDED("00"), BLINDEDV2("25");
+    STANDARD("05"), BLINDED("15"), UN_BLINDED("00"), BLINDEDV2("25"), GROUP("03");
 
     fun isBlinded() = value == BLINDED.value || value == BLINDEDV2.value
 
@@ -11,6 +11,7 @@ enum class IdPrefix(val value: String) {
             BLINDED.value -> BLINDED
             BLINDEDV2.value -> BLINDEDV2
             UN_BLINDED.value -> UN_BLINDED
+            GROUP.value -> GROUP
             else -> null
         }
     }

libsignal/src/main/java/org/session/libsignal/utilities/Validation.kt

@@ -1,18 +1,11 @@
 package org.session.libsignal.utilities
 
 object PublicKeyValidation {
+    private val HEX_CHARACTERS = "0123456789ABCDEF".toSet()
+    private val INVALID_PREFIXES = setOf(IdPrefix.GROUP, IdPrefix.BLINDED, IdPrefix.BLINDEDV2)
 
-    @JvmStatic
+    fun isValid(candidate: String, isPrefixRequired: Boolean = true): Boolean = hasValidLength(candidate) && isValidHexEncoding(candidate) && (!isPrefixRequired || IdPrefix.fromValue(candidate) != null)
-    fun isValid(candidate: String): Boolean {
+    fun hasValidPrefix(candidate: String) = IdPrefix.fromValue(candidate) !in INVALID_PREFIXES
-        return isValid(candidate, 66, true)
+    private fun hasValidLength(candidate: String) = candidate.length == 66
-    }
+    private fun isValidHexEncoding(candidate: String) = HEX_CHARACTERS.containsAll(candidate.uppercase().toSet())
-
-    @JvmStatic
-    fun isValid(candidate: String, expectedLength: Int, isPrefixRequired: Boolean): Boolean {
-        val hexCharacters = "0123456789ABCDEF".toSet()
-        val isValidHexEncoding = hexCharacters.containsAll(candidate.uppercase().toSet())
-        val hasValidLength = candidate.length == expectedLength
-        val hasValidPrefix = if (isPrefixRequired) IdPrefix.fromValue(candidate) != null else true
-        return isValidHexEncoding && hasValidLength && hasValidPrefix
-    }
 }