From ca2b64a7ad5670b6d3469c033c632296d704e029 Mon Sep 17 00:00:00 2001
From: Laura Hausmann <laura@hausmann.dev>
Date: Sat, 15 Mar 2025 01:21:13 +0100
Subject: [PATCH] [backend/razor] Add rel=alternate links to UserPreview and
 NotePreview

---
 .../Components/PublicPreview/Renderers/NoteRenderer.cs           | 1 +
 .../Components/PublicPreview/Renderers/UserRenderer.cs           | 1 +
 .../Components/PublicPreview/Schemas/PreviewNote.cs              | 1 +
 .../Components/PublicPreview/Schemas/PreviewUser.cs              | 1 +
 Iceshrimp.Backend/Pages/NotePreview.razor                        | 1 +
 Iceshrimp.Backend/Pages/UserPreview.razor                        | 1 +
 6 files changed, 6 insertions(+)

diff --git a/Iceshrimp.Backend/Components/PublicPreview/Renderers/NoteRenderer.cs b/Iceshrimp.Backend/Components/PublicPreview/Renderers/NoteRenderer.cs
index e4d1728e..f4abc3c2 100644
--- a/Iceshrimp.Backend/Components/PublicPreview/Renderers/NoteRenderer.cs
+++ b/Iceshrimp.Backend/Components/PublicPreview/Renderers/NoteRenderer.cs
@@ -48,6 +48,7 @@ public class NoteRenderer(
 			Text = renderedText?.Html,
 			Cw = note.Cw,
 			RawText = note.Text,
+			Uri = note.Uri ?? note.GetPublicUri(instance.Value),
 			QuoteUrl = note.Renote?.Url ?? note.Renote?.Uri ?? note.Renote?.GetPublicUriOrNull(instance.Value),
 			QuoteInaccessible = note.Renote?.VisibilityIsPublicOrHome == false,
 			Attachments = attachments[note.Id]?.Where(p => !inlineMediaUrls.Contains(p.Url)).ToList(),
diff --git a/Iceshrimp.Backend/Components/PublicPreview/Renderers/UserRenderer.cs b/Iceshrimp.Backend/Components/PublicPreview/Renderers/UserRenderer.cs
index 37131731..1aa5a9f5 100644
--- a/Iceshrimp.Backend/Components/PublicPreview/Renderers/UserRenderer.cs
+++ b/Iceshrimp.Backend/Components/PublicPreview/Renderers/UserRenderer.cs
@@ -32,6 +32,7 @@ public class UserRenderer(
 			Id             = user.Id,
 			Username       = user.Username,
 			Host           = user.Host ?? instance.Value.AccountDomain,
+			Uri            = user.GetUriOrPublicUri(instance.Value),
 			Url            = user.UserProfile?.Url ?? user.Uri ?? user.PublicUrlPath,
 			AvatarUrl      = user.GetAvatarUrl(instance.Value),
 			BannerUrl      = user.GetBannerUrl(instance.Value),
diff --git a/Iceshrimp.Backend/Components/PublicPreview/Schemas/PreviewNote.cs b/Iceshrimp.Backend/Components/PublicPreview/Schemas/PreviewNote.cs
index c688756d..a84fe87c 100644
--- a/Iceshrimp.Backend/Components/PublicPreview/Schemas/PreviewNote.cs
+++ b/Iceshrimp.Backend/Components/PublicPreview/Schemas/PreviewNote.cs
@@ -8,6 +8,7 @@ public class PreviewNote
 	public required string?                  RawText;
 	public required MarkupString?            Text;
 	public required string?                  Cw;
+	public required string?                  Uri;
 	public required string?                  QuoteUrl;
 	public required bool                     QuoteInaccessible;
 	public required List<PreviewAttachment>? Attachments;
diff --git a/Iceshrimp.Backend/Components/PublicPreview/Schemas/PreviewUser.cs b/Iceshrimp.Backend/Components/PublicPreview/Schemas/PreviewUser.cs
index 84c1171d..68157c21 100644
--- a/Iceshrimp.Backend/Components/PublicPreview/Schemas/PreviewUser.cs
+++ b/Iceshrimp.Backend/Components/PublicPreview/Schemas/PreviewUser.cs
@@ -11,6 +11,7 @@ public class PreviewUser
 	public required string        Username;
 	public required string        Host;
 	public required string        Url;
+	public required string        Uri;
 	public required string        AvatarUrl;
 	public required string?       BannerUrl;
 	public required string?       MovedToUri;
diff --git a/Iceshrimp.Backend/Pages/NotePreview.razor b/Iceshrimp.Backend/Pages/NotePreview.razor
index 7f39dade..f09986cf 100644
--- a/Iceshrimp.Backend/Pages/NotePreview.razor
+++ b/Iceshrimp.Backend/Pages/NotePreview.razor
@@ -127,6 +127,7 @@ else
         <meta name="og:title" content="@title">
         <meta name="og:image" content="@previewImageUrl">
         <meta name="og:description" content="@description">
+        <link rel="alternate" type="application/activity+json" href="@_note.Uri">
 
         <VersionedLink rel="stylesheet" href="/css/public-preview.css"/>
     </HeadContent>
diff --git a/Iceshrimp.Backend/Pages/UserPreview.razor b/Iceshrimp.Backend/Pages/UserPreview.razor
index f6706bdb..9a464157 100644
--- a/Iceshrimp.Backend/Pages/UserPreview.razor
+++ b/Iceshrimp.Backend/Pages/UserPreview.razor
@@ -42,6 +42,7 @@ else
             <meta name="og:description" content="@bio">
         }
         <meta name="og:image" content="@_user.AvatarUrl">
+        <link rel="alternate" type="application/activity+json" href="@_user.Uri">
         <VersionedLink rel="stylesheet" href="/css/public-preview.css"/>
     </HeadContent>
 }
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