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[backend/federation] Fixup hashtags in incoming notes (ISH-421)

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Laura Hausmann 2024-07-14 21:18:05 +02:00
parent f45b020699
commit 5182d1bbbb
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GPG key ID: D044E84C5BE01605
1 changed files with 10 additions and 3 deletions
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13
Iceshrimp.Backend/Core/Services/NoteService.cs
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@ -82,6 +82,8 @@ public class NoteService(
throw GracefulException.UnprocessableEntity("Cannot reply to a pure renote");
if (user.IsSuspended)
throw GracefulException.Forbidden("User is suspended");
if (attachments != null && attachments.Any(p => p.UserId != user.Id))
throw GracefulException.UnprocessableEntity("Refusing to create note with files belonging to someone else");
poll?.Choices.RemoveAll(string.IsNullOrWhiteSpace);
if (poll is { Choices.Count: < 2 })
@ -135,9 +137,6 @@ public class NoteService(
text = MfmSerializer.Serialize(nodes);
}
if (attachments != null && attachments.Any(p => p.UserId != user.Id))
throw GracefulException.UnprocessableEntity("Refusing to create note with files belonging to someone else");
if (cw != null && string.IsNullOrWhiteSpace(cw))
cw = null;
@ -153,6 +152,14 @@ public class NoteService(
}
var tags = ResolveHashtags(text, asNote);
if (tags.Count > 0 && text != null && asNote != null)
{
// @formatter:off
var match = asNote.Tags?.OfType<ASHashtag>().Where(p => p.Name != null && p.Href != null) ?? [];
//TODO: refactor this to use the nodes object instead of matching on text
text = match.Aggregate(text, (current, tag) => current.Replace($"[#{tag.Name!.TrimStart('#')}]({tag.Href})", $"#{tag.Name!.TrimStart('#')}"));
// @formatter:on
}
var mastoReplyUserId = reply?.UserId != user.Id
? reply?.UserId