1 files changed, 27 insertions, 0 deletions
diff --git a/tools/portraits/server.ts b/tools/portraits/server.ts
new file mode 100644
index 0000000..8af80f5
--- /dev/null
+++ b/tools/portraits/server.ts
@@ -0,0 +1,27 @@
+// Renders avatar portraits for the lobby. Serves render.html plus the project's
+// public files, and saves the PNGs the page POSTs back into ./out.
+//
+//   deno run --allow-net=127.0.0.1:8097 --allow-read --allow-write=tools/portraits tools/portraits/server.ts
+//   then open http://localhost:8097/ (or ?slugs=name1,name2) and wait for the title "done".
+const HERE = new URL('.', import.meta.url).pathname;
+const PUBLIC = new URL('../../public', import.meta.url).pathname;
+await Deno.mkdir(`${HERE}out`, { recursive: true });
+
+const TYPES: Record<string, string> = { html: 'text/html', js: 'text/javascript', vrm: 'application/octet-stream' };
+
+Deno.serve({ port: 8097, hostname: '127.0.0.1' }, async (req) => {
+  const url = new URL(req.url);
+  if (url.pathname.includes('..')) return new Response('no', { status: 400 });
+  if (req.method === 'POST' && url.pathname.startsWith('/save/')) {
+    const slug = url.pathname.slice(6).replace(/[^a-z0-9-]/g, '');
+    await Deno.writeFile(`${HERE}out/${slug}.png`, new Uint8Array(await req.arrayBuffer()));
+    return new Response('ok');
+  }
+  const file = url.pathname === '/' ? `${HERE}render.html` : PUBLIC + url.pathname;
+  try {
+    const ext = file.split('.').pop() || '';
+    return new Response(await Deno.readFile(file), { headers: { 'content-type': TYPES[ext] || 'application/octet-stream' } });
+  } catch {
+    return new Response('not found', { status: 404 });
+  }
+});