meow

server.cjs

@@ -793,6 +793,23 @@ function proxyRequest(req, res) {
   req.pipe(proxy)
 }
 
+function pagePublicOrigin(req) {
+  const configured = PUBLIC_ORIGIN.split(',').map((origin) => origin.trim()).filter(Boolean)[0]
+  if (configured) return configured.replace(/\/$/, '')
+
+  const host = req.headers['x-forwarded-host'] || req.headers.host || `localhost:${PORT}`
+  const proto = req.headers['x-forwarded-proto'] || (req.socket.encrypted ? 'https' : 'http')
+  return `${String(proto).split(',')[0].trim()}://${String(host).split(',')[0].trim()}`.replace(/\/$/, '')
+}
+
+function sendHtml(req, res, data, status = 200) {
+  const html = data.toString('utf8').replaceAll('__PUBLIC_ORIGIN__', pagePublicOrigin(req))
+  send(res, status, html, {
+    'content-type': mimeTypes['.html'],
+    'cache-control': 'no-cache',
+  })
+}
+
 function serveStatic(req, res) {
   const requestPath = decodeURIComponent(new URL(req.url, `http://localhost:${PORT}`).pathname)
   const relativePath = requestPath === '/' ? '/index.html' : requestPath
@@ -811,15 +828,20 @@ function serveStatic(req, res) {
           })
         }
 
-        send(res, 200, indexData, { 'content-type': mimeTypes['.html'] })
+        sendHtml(req, res, indexData)
       })
       return
     }
 
     const ext = path.extname(filePath)
+    if (ext === '.html') {
+      sendHtml(req, res, data)
+      return
+    }
+
     send(res, 200, data, {
       'content-type': mimeTypes[ext] || 'application/octet-stream',
-      'cache-control': ext === '.html' ? 'no-cache' : 'public, max-age=31536000, immutable',
+      'cache-control': 'public, max-age=31536000, immutable',
     })
   })
 }