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