add opengraph secure video link

src/pages/video/[name].astro

@@ -2,7 +2,7 @@
 import WebsiteLayout from '@layouts/website/WebsiteLayout.astro';
 import VideoPlayer from '@app/website/video/VideoPlayer.svelte';
 import { getVideoMetadata, resolveVideo } from '@util/video.ts';
-import { siteUrl } from '@util/url.ts';
+import { siteBase, siteUrl } from '@util/url.ts';
 
 const { name } = Astro.params;
 
@@ -20,6 +20,7 @@ const streamUrl = siteUrl(`video/${encodeURIComponent(video.name)}/stream`);
   <Fragment slot="head">
     <meta property="og:type" content="video" />
     <meta property="og:video" content={streamUrl} />
+    {streamUrl.startsWith('https') && <meta property="og:video:secure_url" content={streamUrl} />}
     <meta property="og:video:type" content={video.contentType} />
     {width && <meta property="og:video:width" content={width.toString()} />}
     {height && <meta property="og:video:height" content={height.toString()} />}