From 48901f64c7a664bfb16a1fc07bd15d74f9a1dc6c Mon Sep 17 00:00:00 2001
From: Greyson Parrelli <greyson@signal.org>
Date: Mon, 22 Jun 2026 12:46:46 -0400
Subject: [PATCH] Update plaintext export rules.

---
 .../securesms/backup/v2/BackupRepository.kt   |  3 +++
 .../database/MessageTableArchiveExtensions.kt |  6 +++++-
 .../v2/exporters/ChatItemArchiveExporter.kt   | 19 +++++++++++++------
 3 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt
index 67f4174512..e7b4c4101f 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt
@@ -2558,6 +2558,9 @@ enum class BackupMode {
 
   val isLocalBackup: Boolean
     get() = this == LOCAL
+
+  val isPlaintextExport: Boolean
+    get() = this == PLAINTEXT_EXPORT
 }
 
 /**
diff --git a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/database/MessageTableArchiveExtensions.kt b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/database/MessageTableArchiveExtensions.kt
index c8403c5881..ab5a62edc7 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/database/MessageTableArchiveExtensions.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/database/MessageTableArchiveExtensions.kt
@@ -167,7 +167,11 @@ fun MessageTable.getMessagesForBackup(db: SignalDatabase, backupTime: Long, self
         .where(
           buildString {
             append("$STORY_TYPE = 0 AND $PARENT_STORY_ID <= 0 AND $SCHEDULED_DATE = -1 AND ")
-            append("($EXPIRES_IN == 0 OR $EXPIRES_IN > ${1.days.inWholeMilliseconds})")
+            if (exportState.backupMode.isPlaintextExport) {
+              append("$EXPIRES_IN == 0")
+            } else {
+              append("($EXPIRES_IN == 0 OR $EXPIRES_IN > ${1.days.inWholeMilliseconds})")
+            }
             append(" AND $DATE_RECEIVED >= $lastSeenReceivedTime $cutoffQuery")
           }
         )
diff --git a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/exporters/ChatItemArchiveExporter.kt b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/exporters/ChatItemArchiveExporter.kt
index b36b66f65f..9bd292bc6e 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/exporters/ChatItemArchiveExporter.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/exporters/ChatItemArchiveExporter.kt
@@ -647,15 +647,22 @@ private fun BackupMessageRecord.toBasicChatItemBuilder(selfRecipientId: Recipien
     }
   }
 
-  if (!MessageTypes.isExpirationTimerUpdate(record.type) && builder.expiresInMs != null && builder.expireStartDate != null) {
-    val cutoffDuration = ChatItemArchiveExporter.EXPIRATION_CUTOFF.inWholeMilliseconds
-    val expiresAt = builder.expireStartDate!! + builder.expiresInMs!!
-    val threshold = if (exportState.backupMode.isLinkAndSync) backupStartTime else backupStartTime + cutoffDuration
-
-    if (expiresAt < threshold || (builder.expiresInMs!! <= cutoffDuration && !exportState.backupMode.isLinkAndSync)) {
+  if (!MessageTypes.isExpirationTimerUpdate(record.type) && builder.expiresInMs != null) {
+    if (exportState.backupMode.isPlaintextExport) {
       Log.w(TAG, ExportSkips.messageExpiresTooSoon(record.dateSent))
       return null
     }
+
+    if (builder.expireStartDate != null) {
+      val cutoffDuration = ChatItemArchiveExporter.EXPIRATION_CUTOFF.inWholeMilliseconds
+      val expiresAt = builder.expireStartDate!! + builder.expiresInMs!!
+      val threshold = if (exportState.backupMode.isLinkAndSync) backupStartTime else backupStartTime + cutoffDuration
+
+      if (expiresAt < threshold || (builder.expiresInMs!! <= cutoffDuration && !exportState.backupMode.isLinkAndSync)) {
+        Log.w(TAG, ExportSkips.messageExpiresTooSoon(record.dateSent))
+        return null
+      }
+    }
   }
 
   if (builder.expireStartDate != null && builder.expiresInMs == null) {