Expected UTDs due to membership support

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

@@ -16,6 +16,7 @@
 
 package io.element.android.features.messages.impl.timeline.components.event
 
+import androidx.compose.foundation.layout.Column
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@@ -25,6 +26,7 @@ import io.element.android.libraries.designsystem.icons.CompoundDrawables
 import io.element.android.libraries.designsystem.preview.ElementPreview
 import io.element.android.libraries.designsystem.preview.PreviewsDayNight
 import io.element.android.libraries.matrix.api.timeline.item.event.UnableToDecryptContent
+import io.element.android.libraries.matrix.api.timeline.item.event.UtdCause
 import io.element.android.libraries.ui.strings.CommonStrings
 
 @Composable
@@ -33,10 +35,17 @@ fun TimelineItemEncryptedView(
     onContentLayoutChanged: (ContentAvoidingLayoutData) -> Unit,
     modifier: Modifier = Modifier
 ) {
+    var text = stringResource(id = CommonStrings.common_waiting_for_decryption_key)
+    var iconId = CompoundDrawables.ic_compound_time
+    if (content.data is UnableToDecryptContent.Data.MegolmV1AesSha2 &&
+        content.data.utdCause == UtdCause.Membership) {
+        text = stringResource(id = CommonStrings.common_unable_to_decrypt_no_access)
+        iconId = CompoundDrawables.ic_compound_block
+    }
     TimelineItemInformativeView(
-        text = stringResource(id = CommonStrings.common_waiting_for_decryption_key),
+        text = text,
         iconDescription = stringResource(id = CommonStrings.dialog_title_warning),
-        iconResourceId = CompoundDrawables.ic_compound_time,
+        iconResourceId = iconId,
         onContentLayoutChanged = onContentLayoutChanged,
         modifier = modifier
     )
@@ -45,10 +54,22 @@ fun TimelineItemEncryptedView(
 @PreviewsDayNight
 @Composable
 internal fun TimelineItemEncryptedViewPreview() = ElementPreview {
-    TimelineItemEncryptedView(
-        content = TimelineItemEncryptedContent(
-            data = UnableToDecryptContent.Data.Unknown
-        ),
-        onContentLayoutChanged = {},
-    )
+    Column {
+        TimelineItemEncryptedView(
+            content = TimelineItemEncryptedContent(
+                data = UnableToDecryptContent.Data.Unknown
+            ),
+            onContentLayoutChanged = {},
+        )
+
+        TimelineItemEncryptedView(
+            content = TimelineItemEncryptedContent(
+                data = UnableToDecryptContent.Data.MegolmV1AesSha2(
+                    sessionId = "sessionId",
+                    utdCause = UtdCause.Membership
+                )
+            ),
+            onContentLayoutChanged = {},
+        )
+    }
 }

gradle/libs.versions.toml

@@ -179,7 +179,7 @@ posthog = "com.posthog:posthog-android:3.1.18"
 sentry = "io.sentry:sentry-android:7.8.0"
 # Note: only 0.19.0 will compile properly
 # main branch can be tested replacing the version with main-SNAPSHOT
-matrix_analytics_events = "com.github.matrix-org:matrix-analytics-events:0.15.0"
+matrix_analytics_events = "com.github.matrix-org:matrix-analytics-events:0.20.0"
 
 # Emojibase
 matrix_emojibase_bindings = "io.element.android:emojibase-bindings:1.1.3"

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

@@ -63,7 +63,8 @@ data class UnableToDecryptContent(
         ) : Data
 
         data class MegolmV1AesSha2(
-            val sessionId: String
+            val sessionId: String,
+            val utdCause: UtdCause
         ) : Data
 
         data object Unknown : Data

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

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.matrix.api.timeline.item.event
+
+enum class UtdCause {
+    Unknown,
+    Membership,
+}

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

@@ -21,6 +21,7 @@ import io.element.android.services.analytics.api.AnalyticsService
 import org.matrix.rustcomponents.sdk.UnableToDecryptDelegate
 import org.matrix.rustcomponents.sdk.UnableToDecryptInfo
 import timber.log.Timber
+import uniffi.matrix_sdk_crypto.UtdCause
 import javax.inject.Inject
 
 class UtdTracker @Inject constructor(
@@ -28,6 +29,10 @@ class UtdTracker @Inject constructor(
 ) : UnableToDecryptDelegate {
     override fun onUtd(info: UnableToDecryptInfo) {
         Timber.d("onUtd for event ${info.eventId}, timeToDecryptMs: ${info.timeToDecryptMs}")
+        val name = when (info.cause) {
+            UtdCause.UNKNOWN -> Error.Name.OlmKeysNotSentError
+            UtdCause.MEMBERSHIP -> Error.Name.ExpectedDueToMembership
+        }
         val event = Error(
             context = null,
             // Keep cryptoModule for compatibility.
@@ -35,8 +40,7 @@ class UtdTracker @Inject constructor(
             cryptoSDK = Error.CryptoSDK.Rust,
             timeToDecryptMillis = info.timeToDecryptMs?.toInt() ?: -1,
             domain = Error.Domain.E2EE,
-            // TODO get a more specific error name from `info`
-            name = Error.Name.OlmKeysNotSentError,
+            name = name,
         )
         analyticsService.capture(event)
     }

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

@@ -31,6 +31,7 @@ import io.element.android.libraries.matrix.api.timeline.item.event.StateContent
 import io.element.android.libraries.matrix.api.timeline.item.event.StickerContent
 import io.element.android.libraries.matrix.api.timeline.item.event.UnableToDecryptContent
 import io.element.android.libraries.matrix.api.timeline.item.event.UnknownContent
+import io.element.android.libraries.matrix.api.timeline.item.event.UtdCause
 import io.element.android.libraries.matrix.impl.media.map
 import io.element.android.libraries.matrix.impl.poll.map
 import kotlinx.collections.immutable.toImmutableList
@@ -41,6 +42,7 @@ import org.matrix.rustcomponents.sdk.use
 import org.matrix.rustcomponents.sdk.EncryptedMessage as RustEncryptedMessage
 import org.matrix.rustcomponents.sdk.MembershipChange as RustMembershipChange
 import org.matrix.rustcomponents.sdk.OtherState as RustOtherState
+import uniffi.matrix_sdk_crypto.UtdCause as RustUtdCause
 
 class TimelineEventContentMapper(private val eventMessageMapper: EventMessageMapper = EventMessageMapper()) {
     fun map(content: TimelineItemContent): EventContent {
@@ -148,6 +150,13 @@ private fun RustMembershipChange.map(): MembershipChange {
     }
 }
 
+private fun RustUtdCause.map(): UtdCause {
+    return when (this) {
+        RustUtdCause.MEMBERSHIP -> UtdCause.Membership
+        RustUtdCause.UNKNOWN -> UtdCause.Unknown
+    }
+}
+
 // TODO extract state events?
 private fun RustOtherState.map(): OtherState {
     return when (this) {
@@ -177,7 +186,7 @@ private fun RustOtherState.map(): OtherState {
 
 private fun RustEncryptedMessage.map(): UnableToDecryptContent.Data {
     return when (this) {
-        is RustEncryptedMessage.MegolmV1AesSha2 -> UnableToDecryptContent.Data.MegolmV1AesSha2(sessionId)
+        is RustEncryptedMessage.MegolmV1AesSha2 -> UnableToDecryptContent.Data.MegolmV1AesSha2(sessionId, cause.map())
         is RustEncryptedMessage.OlmV1Curve25519AesSha2 -> UnableToDecryptContent.Data.OlmV1Curve25519AesSha2(senderKey)
         RustEncryptedMessage.Unknown -> UnableToDecryptContent.Data.Unknown
     }