From 4b3f487548c30c7dbb9504a8bea808ae91907820 Mon Sep 17 00:00:00 2001
From: localhost <o0l2qp3e@duck.com>
Date: Wed, 18 Feb 2026 23:16:42 +0100
Subject: [PATCH] require identifying yourself via api

---
 src/router/video.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/router/video.ts b/src/router/video.ts
index af01b5f..ed0e157 100644
--- a/src/router/video.ts
+++ b/src/router/video.ts
@@ -116,7 +116,16 @@ app.get('/watch', async ({ query: { v }, set, redirect, error }) => {
   return html
 })
 
-app.get('/video/:id', async ({ params: { id }, error }) => {
+function hasIdentifyingUA(req: Request): boolean {
+  const ua = req.headers.get('user-agent') ?? '';
+  return /^[^\s]+\/[\d.]+ \([^)]+\)$/.test(ua);
+}
+
+app.get('/video/:id', async ({ request, params: { id }, error }) => {
+  const isNice = hasIdentifyingUA(request)
+  if (!isNice) return `This endpoint is provided for people that prefer not to scrape, and depends on your honesty.
+Please identify yourself with a User-Agent in the format: AppName/1.0 (a way for me to contact you, or a brief explanation of what you're doing).`
+
   const cached = await redis.get(`video:${id}`)
   if (cached) return JSON.parse(cached)