module Invidious::Routes::ErrorRoutes def self.error_404(env) # Workaround for #3117 if HOST_URL.empty? && env.request.path.starts_with?("/v1/storyboards/sb") return env.redirect "#{env.request.path[15..]}?#{env.params.query}" end if md = env.request.path.match(/^\/(?([a-zA-Z0-9_-]{11})|(\w+))$/) item = md["id"] # Check if item is branding URL e.g. https://youtube.com/gaming response = YT_POOL.client &.get("/#{item}") if response.status_code == 301 response = YT_POOL.client &.get(URI.parse(response.headers["Location"]).request_target) end if response.body.empty? env.response.headers["Location"] = "/" haltf env, status_code: 302 end html = XML.parse_html(response.body) ucid = html.xpath_node(%q(//link[@rel="canonical"])).try &.["href"].split("/")[-1] if ucid env.response.headers["Location"] = "/channel/#{ucid}" haltf env, status_code: 302 end params = [] of String env.params.query.each do |k, v| params << "#{k}=#{v}" end params = params.join("&") url = "/watch?v=#{item}" if !params.empty? url += "&#{params}" end # Check if item is video ID if item.match(/^[a-zA-Z0-9_-]{11}$/) && YT_POOL.client &.head("/watch?v=#{item}").status_code != 404 env.response.headers["Location"] = url haltf env, status_code: 302 end end env.response.headers["Location"] = "/" haltf env, status_code: 302 end end