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video_playback: Check "host" parameter validity
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@ -14,12 +14,18 @@ module Invidious::Routes::VideoPlayback
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end
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end
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if query_params["host"]? && !query_params["host"].empty?
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if query_params["host"]? && !query_params["host"].empty?
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host = "https://#{query_params["host"]}"
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host = query_params["host"]
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query_params.delete("host")
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query_params.delete("host")
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else
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else
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host = "https://r#{fvip}---#{mns.pop}.googlevideo.com"
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host = "r#{fvip}---#{mns.pop}.googlevideo.com"
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end
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end
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# Sanity check, to avoid being used as an open proxy
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if !host.matches?(/[\w-]+.googlevideo.com/)
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return error_template(400, "Invalid \"host\" parameter.")
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end
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host = "https://#{host}"
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url = "/videoplayback?#{query_params}"
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url = "/videoplayback?#{query_params}"
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headers = HTTP::Headers.new
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headers = HTTP::Headers.new
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