70 lines
1.9 KiB
Crystal
70 lines
1.9 KiB
Crystal
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require "kemal"
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require "xml"
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require "http/client"
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require "base64"
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macro templated(filename)
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render "views/#{{{filename}}}.ecr", "views/layout.ecr"
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end
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context = OpenSSL::SSL::Context::Client.insecure
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client = HTTP::Client.new("www.youtube.com", 443, context)
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def params_to_hash(params)
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pairs = params.split("&")
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hash = Hash(String, String).new
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pairs.each do |pair|
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key, value = pair.split("=")
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hash[key] = URI.unescape(value)
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end
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return hash
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end
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get "/" do |env|
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templated "index"
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end
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get "/watch/:video_id" do |env|
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video_id = env.params.url["video_id"]
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if File.exists?("video_info/#{video_id}")
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video_info = JSON.parse(File.open("video_info/#{video_id}"))
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else
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video_info_encoded = HTTP::Client.get("https://www.youtube.com/get_video_info?video_id=#{video_id}&el=info&ps=default&eurl=&gl=US&hl=en", nil, nil, tls = context).body
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video_info = params_to_hash(video_info_encoded)
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File.write("video_info/#{video_id}", video_info.to_json)
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end
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fmt_stream_map = video_info["url_encoded_fmt_stream_map"].to_s.split(",")
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fmt_stream = Array(Hash(String, String)).new
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fmt_stream_map.each do |fmt|
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fmt_stream << params_to_hash(fmt.to_s)
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end
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fmt_stream.reverse!
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templated "watch"
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end
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get "/listen/:video_id" do |env|
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video_id = env.params.url["video_id"]
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if File.exists?("video_info/#{video_id}")
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video_info = JSON.parse(File.open("video_info/#{video_id}"))
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else
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video_info_encoded = HTTP::Client.get("https://www.youtube.com/get_video_info?video_id=#{video_id}&el=info&ps=default&eurl=&gl=US&hl=en", nil, nil, tls = context).body
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video_info = params_to_hash(video_info_encoded)
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File.write("video_info/#{video_id}", video_info.to_json)
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end
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adaptive_fmt = Array(Hash(String, String)).new
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video_info["adaptive_fmts"].to_s.split(",") do |fmt|
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adaptive_fmt << params_to_hash(video_info["adaptive_fmts"].to_s)
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end
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templated "listen"
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end
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public_folder "assets"
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Kemal.run
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