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A restore on the live pasture: its own scenario, and two fixes it found

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tools/pasture/scenarios/restore.sh backs the pasture up from the administrator's endpoint, then alice_restore deletes a
post and makes another, mastouser follows her, she blocks bob_restore and carol_restore is made; the restore, asked for
from the endpoint, keeps every protective act (19 checks). town.sh renew <peer> signs a peer's town accounts in again,
since a restore ends every session.

It found that a backup listed media files already missing when it was made, so verifying it failed and the restore was
refused: a manifest now lists only the files it holds (refusals are cut to five lines). And a local post made after the
backup now comes back as a deleted row, as a deletion leaves it, so it answers 410 and its id is never given again;
DeletedObject holds remote tombstones only.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LsXgEaXee4GCU1hwYgPJXw
This commit is contained in:
thepraandClaude Opus 5.5 committed 2026-10-07 12:24:23 +02:00
1 parent 9ad96f560d
commit bdc8be4508
8 files changed
+133 -26
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PrivaPub/Infrastructure/Backup/ProtectiveMerge.cs
+13 -6
View File
@@ -148,11 +148,12 @@ namespace PrivaPub.Infrastructure.Backup
Builders<BsonDocument>.Update.Set("ConsecutiveFailures", 0).Set("UnavailableUntil", BsonNull.Value), cancellationToken: token);
}
// posts deleted since: deleted again, out of timelines and pins; local posts made since: 410
// posts deleted since: deleted again, out of timelines and pins; local posts made since: there as deleted, as a
// deletion leaves them, so they answer 410 and their ids and addresses are never given again
static async Task Posts(IMongoDatabase database, IEnumerable<BsonDocument> previous, RestoreReport report, CancellationToken token)
{
var posts = database.GetCollection<BsonDocument>("Post");
var gone = database.GetCollection<BsonDocument>("DeletedObject");
var now = DateTime.UtcNow;
foreach (var batch in previous.Where(p => IsSet(p, "DeletedAt") || IsLocal(p)).Chunk(500))
{
var ids = new BsonArray(batch.Select(p => p["_id"]));
@@ -162,12 +163,18 @@ namespace PrivaPub.Infrastructure.Backup
{
if (!restored.TryGetValue(post["_id"], out var mine))
{
if (IsLocal(post) && post.GetValue("ObjectURI", BsonNull.Value) is BsonString uri)
if (!IsLocal(post))
continue;
if (!IsSet(post, "DeletedAt"))
{
await gone.UpdateOneAsync(new BsonDocument("ObjectURI", uri), Builders<BsonDocument>.Update
.SetOnInsert("ObjectURI", uri).SetOnInsert("DeletedAt", DateTime.UtcNow), new UpdateOptions { IsUpsert = true }, token);
report.PostsGone++;
post["DeletedAt"] = now;
foreach (var field in new[] { "Text", "ContentHtml", "Title", "SpoilerText" })
post[field] = BsonNull.Value;
post["Media"] = new BsonArray();
post["Revisions"] = new BsonArray();
}
await posts.InsertOneAsync(post, cancellationToken: token);
report.PostsGone++;
continue;
}
if (!IsSet(post, "DeletedAt") || IsSet(mine, "DeletedAt"))