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Do not backup past revision if latest revision is soon-to-expire.

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This commit is contained in:
Greyson Parrelli
2024-02-02 11:49:06 -05:00
committed by Nicholas Tinsley
parent 673fe2625c
commit e3fe852a34
1 changed files with 21 additions and 11 deletions
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32
app/src/main/java/org/thoughtcrime/securesms/backup/FullBackupExporter.java
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@@ -160,7 +160,7 @@ public class FullBackupExporter extends FullBackupBase {
for (String table : tables) {
throwIfCanceled(cancellationSignal);
if (table.equals(MessageTable.TABLE_NAME)) {
count = exportTable(table, input, outputStream, cursor -> isNonExpiringMessage(cursor), null, count, estimatedCount, cancellationSignal);
count = exportTable(table, input, outputStream, cursor -> isNonExpiringMessage(input, cursor), null, count, estimatedCount, cancellationSignal);
} else if (table.equals(ReactionTable.TABLE_NAME)) {
count = exportTable(table, input, outputStream, cursor -> isForNonExpiringMessage(input, CursorUtil.requireLong(cursor, ReactionTable.MESSAGE_ID)), null, count, estimatedCount, cancellationSignal);
} else if (table.equals(MentionTable.TABLE_NAME)) {
@@ -579,28 +579,38 @@ public class FullBackupExporter extends FullBackupBase {
return count;
}
private static boolean isNonExpiringMessage(@NonNull Cursor cursor) {
long expireStarted = CursorUtil.requireLong(cursor, MessageTable.EXPIRE_STARTED);
long expiresIn = CursorUtil.requireLong(cursor, MessageTable.EXPIRES_IN);
if (expireStarted == 0 || expiresIn == 0) {
return true;
}
private static boolean isNonExpiringMessage(@NonNull SQLiteDatabase db, @NonNull Cursor cursor) {
long expireStarted = CursorUtil.requireLong(cursor, MessageTable.EXPIRE_STARTED);
long expiresIn = CursorUtil.requireLong(cursor, MessageTable.EXPIRES_IN);
long originalMessageId = CursorUtil.requireLong(cursor, MessageTable.ORIGINAL_MESSAGE_ID);
long latestRevisionId = CursorUtil.requireLong(cursor, MessageTable.LATEST_REVISION_ID);
long expiresAt = expireStarted + expiresIn;
long timeRemaining = expiresAt - System.currentTimeMillis();
return timeRemaining > EXPIRATION_BACKUP_THRESHOLD;
if (expireStarted > 0 && timeRemaining <= EXPIRATION_BACKUP_THRESHOLD) {
return false;
}
if (originalMessageId > 0 && !isForNonExpiringMessage(db, originalMessageId)) {
return false;
}
if (latestRevisionId > 0 && !isForNonExpiringMessage(db, latestRevisionId)) {
return false;
}
return true;
}
private static boolean isForNonExpiringMessage(@NonNull SQLiteDatabase db, long messageId) {
String[] columns = new String[] { MessageTable.EXPIRE_STARTED, MessageTable.EXPIRES_IN };
String[] columns = new String[] { MessageTable.EXPIRE_STARTED, MessageTable.EXPIRES_IN, MessageTable.LATEST_REVISION_ID, MessageTable.ORIGINAL_MESSAGE_ID };
String where = MessageTable.ID + " = ?";
String[] args = SqlUtil.buildArgs(messageId);
try (Cursor mmsCursor = db.query(MessageTable.TABLE_NAME, columns, where, args, null, null, null)) {
if (mmsCursor != null && mmsCursor.moveToFirst()) {
return isNonExpiringMessage(mmsCursor);
return isNonExpiringMessage(db, mmsCursor);
}
}