1 files changed, 94 insertions, 0 deletions
diff --git a/packages/backend/src/server/web/views/note.tsx b/packages/backend/src/server/web/views/note.tsx
new file mode 100644
index 0000000000..803c3d2537
--- /dev/null
+++ b/packages/backend/src/server/web/views/note.tsx
@@ -0,0 +1,94 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import type { Packed } from '@/misc/json-schema.js';
+import type { MiUserProfile } from '@/models/UserProfile.js';
+import type { CommonProps } from '@/server/web/views/_.js';
+import { Layout } from '@/server/web/views/base.js';
+import { isRenotePacked } from '@/misc/is-renote.js';
+import { getNoteSummary } from '@/misc/get-note-summary.js';
+
+export function NotePage(props: CommonProps<{
+	note: Packed<'Note'>;
+	profile: MiUserProfile;
+}>) {
+	const title = props.note.user.name ? `${props.note.user.name} (@${props.note.user.username}${props.note.user.host ? `@${props.note.user.host}` : ''})` : `@${props.note.user.username}${props.note.user.host ? `@${props.note.user.host}` : ''}`
+	const isRenote = isRenotePacked(props.note);
+	const images = (props.note.files ?? []).filter(f => f.type.startsWith('image/'));
+	const videos = (props.note.files ?? []).filter(f => f.type.startsWith('video/'));
+	const summary = getNoteSummary(props.note);
+
+	function ogBlock() {
+		return (
+			<>
+				<meta property="og:type" content="article" />
+				<meta property="og:title" content={title} />
+				<meta property="og:description" content={summary} />
+				<meta property="og:url" content={`${props.config.url}/notes/${props.note.id}`} />
+				{videos.map(video => (
+					<>
+						<meta property="og:video:url" content={video.url} />
+						<meta property="og:video:secure_url" content={video.url} />
+						<meta property="og:video:type" content={video.type} />
+						{video.thumbnailUrl ? <meta property="og:video:image" content={video.thumbnailUrl} /> : null}
+						{video.properties.width != null ? <meta property="og:video:width" content={video.properties.width.toString()} /> : null}
+						{video.properties.height != null ? <meta property="og:video:height" content={video.properties.height.toString()} /> : null}
+					</>
+				))}
+				{images.length > 0 ? (
+					<>
+						<meta property="twitter:card" content="summary_large_image" />
+						{images.map(image => (
+							<>
+								<meta property="og:image" content={image.url} />
+								{image.properties.width != null ? <meta property="og:image:width" content={image.properties.width.toString()} /> : null}
+								{image.properties.height != null ? <meta property="og:image:height" content={image.properties.height.toString()} /> : null}
+							</>
+						))}
+					</>
+				) : (
+					<>
+						<meta property="twitter:card" content="summary" />
+						<meta property="og:image" content={props.note.user.avatarUrl} />
+					</>
+				)}
+			</>
+		);
+	}
+
+	function metaBlock() {
+		return (
+			<>
+				{props.note.user.host != null || isRenote || props.profile.noCrawle ? <meta name="robots" content="noindex" /> : null}
+				{props.profile.preventAiLearning ? (
+					<>
+						<meta name="robots" content="noimageai" />
+						<meta name="robots" content="noai" />
+					</>
+				) : null}
+				<meta name="misskey:user-username" content={props.note.user.username} />
+				<meta name="misskey:user-id" content={props.note.user.id} />
+				<meta name="misskey:note-id" content={props.note.id} />
+
+				{props.federationEnabled ? (
+					<>
+						{props.note.user.host == null ? <link rel="alternate" type="application/activity+json" href={`${props.config.url}/notes/${props.note.id}`} /> : null}
+						{props.note.uri != null ? <link rel="alternate" type="application/activity+json" href={props.note.uri} /> : null}
+					</>
+				) : null}
+			</>
+		);
+	}
+
+	return (
+		<Layout
+			{...props}
+			title={`${title} | ${props.instanceName}`}
+			desc={summary}
+			metaSlot={metaBlock()}
+			ogSlot={ogBlock()}
+		></Layout>
+	)
+}