feat(crypto): Support for new UtdCause for historical messages

Author: BillCarsonFr

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/event/TimelineItemEncryptedView.kt

@@ -40,9 +40,12 @@ fun TimelineItemEncryptedView(
                 UtdCause.UnknownDevice -> {
                     CommonStrings.common_unable_to_decrypt_insecure_device to CompoundDrawables.ic_compound_block
                 }
-                UtdCause.HistoricalMessage -> {
+                UtdCause.HistoricalMessageAndBackupIsDisabled -> {
                     CommonStrings.timeline_decryption_failure_historical_event_no_key_backup to CompoundDrawables.ic_compound_block
                 }
+                UtdCause.HistoricalMessageAndDeviceIsUnverified -> {
+                    CommonStrings.timeline_decryption_failure_historical_event_unverified_device to CompoundDrawables.ic_compound_block
+                }
                 UtdCause.WithheldUnverifiedOrInsecureDevice -> {
                     CommonStrings.timeline_decryption_failure_withheld_unverified to CompoundDrawables.ic_compound_block
                 }

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/timeline/item/event/UtdCause.kt

@@ -15,10 +15,17 @@ enum class UtdCause {
     UnknownDevice,
 
     /**
-     * Expected utd because this is a device-historical message and
-     * key storage is not setup or not configured correctly.
+     * We are missing the keys for this event, but it is a "device-historical" message and
+     * there is no key storage backup on the server, presumably because the user has turned it off.
      */
-    HistoricalMessage,
+    HistoricalMessageAndBackupIsDisabled,
+
+    /**
+     * We are missing the keys for this event, but it is a "device-historical"
+     * message, and even though a key storage backup does exist, we can't use
+     * it because our device is unverified.
+     */
+    HistoricalMessageAndDeviceIsUnverified,
 
     /**
      * The key was withheld on purpose because your device is insecure and/or the

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/analytics/UtdTracker.kt

@@ -27,7 +27,9 @@ class UtdTracker(
             UtdCause.UNKNOWN_DEVICE -> {
                 Error.Name.ExpectedSentByInsecureDevice
             }
-            UtdCause.HISTORICAL_MESSAGE -> Error.Name.HistoricalMessage
+            UtdCause.HISTORICAL_MESSAGE_AND_BACKUP_IS_DISABLED,
+            UtdCause.HISTORICAL_MESSAGE_AND_DEVICE_IS_UNVERIFIED,
+                -> Error.Name.HistoricalMessage
             UtdCause.WITHHELD_FOR_UNVERIFIED_OR_INSECURE_DEVICE -> Error.Name.RoomKeysWithheldForUnverifiedDevice
             UtdCause.WITHHELD_BY_SENDER -> Error.Name.OlmKeysNotSentError
         }

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/timeline/item/event/TimelineEventContentMapper.kt

@@ -145,7 +145,8 @@ private fun RustUtdCause.map(): UtdCause {
         RustUtdCause.VERIFICATION_VIOLATION -> UtdCause.VerificationViolation
         RustUtdCause.UNSIGNED_DEVICE -> UtdCause.UnsignedDevice
         RustUtdCause.UNKNOWN_DEVICE -> UtdCause.UnknownDevice
-        RustUtdCause.HISTORICAL_MESSAGE -> UtdCause.HistoricalMessage
+        RustUtdCause.HISTORICAL_MESSAGE_AND_BACKUP_IS_DISABLED -> UtdCause.HistoricalMessageAndBackupIsDisabled
+        RustUtdCause.HISTORICAL_MESSAGE_AND_DEVICE_IS_UNVERIFIED -> UtdCause.HistoricalMessageAndDeviceIsUnverified
         RustUtdCause.WITHHELD_FOR_UNVERIFIED_OR_INSECURE_DEVICE -> UtdCause.WithheldUnverifiedOrInsecureDevice
         RustUtdCause.WITHHELD_BY_SENDER -> UtdCause.WithheldBySender
     }

libraries/ui-strings/src/main/res/values/localazy.xml

@@ -343,6 +343,7 @@ Reason: %1$s."</string>
   <string name="test_language_identifier">"en"</string>
   <string name="test_untranslated_default_language_identifier">"en"</string>
   <string name="timeline_decryption_failure_historical_event_no_key_backup">"Historical messages are not available on this device"</string>
+  <string name="timeline_decryption_failure_historical_event_unverified_device">"You need to verify this device for access to historical messages"</string>
   <string name="timeline_decryption_failure_historical_event_user_not_joined">"You don\'t have access to this message"</string>
   <string name="timeline_decryption_failure_unable_to_decrypt">"Unable to decrypt message"</string>
   <string name="timeline_decryption_failure_withheld_unverified">"This message was blocked either because you did not verify your device or because the sender needs to verify your identity."</string>