users can only view their own gallery

saddle.py

@@ -83,13 +83,10 @@ async def index(request):
 		return web.json_response(urls)
 
 
-@routes.get('/gallery/{user_id}', name='gallery')
+@routes.get('/gallery', name='gallery')
 async def gallery(request):
 	"""A user's gallery page."""
-	try:
-		user_id = int(request.match_info['user_id'])
-	except ValueError:
-		raise web.HTTPNotFound
+	user_id = int(request.cookies.get('userid'))
 
 	async with request.app['pool'].acquire() as conn:
 		uploads = await conn.fetch(

templates/header.html

@@ -4,5 +4,5 @@
 </div>
 <nav>
 	<span><a href="{{ url('index') }}">Home</a></span>
-	<span><a href="{{ url('gallery', user_id=request.cookies.get('userid')) }}">Gallery</a></span>
+	<span><a href="{{ url('gallery') }}">Gallery</a></span>
 </nav>