mitm_youtubeappadblock.tengo

// Brook: v20220515
// Youtube: v17.18.4

text := import("text")

_ := (func(request, response) {

    // Begin

    if(!response){
        if(text.contains(request["URL"], "googlevideo.com") && !text.contains(request["URL"], "googlevideo.com/dclk_video_ads") && !text.contains(request["URL"], "redirector") && text.contains(request["URL"], "&ctier=L") && text.contains(request["URL"], ",ctier,")){
            return {
                "StatusCode": 302,
                "Location": text.replace(text.replace(request["URL"], "&ctier=L", "", 1), ",ctier,", "", 1)
            }
        }
        if(text.contains(request["URL"], "googlevideo.com") && !text.contains(request["URL"], "googlevideo.com/dclk_video_ads") && !text.contains(request["URL"], "googlevideo.com/videoplayback?") && !text.contains(request["URL"], "redirector") && text.contains(request["URL"], "&oad")){
            return {
                "StatusCode": 503
            }
        }
        if(text.re_match(`^https?:\/\/youtubei\.googleapis\.com\/youtubei\/v\d\/player\/ad_break`, request["URL"])){
            return {
                "StatusCode": 503
            }
        }
        if(text.re_match(`^https?:\/\/(www|s)\.youtube\.com\/api\/stats\/ads`, request["URL"])){
            return {
                "StatusCode": 503
            }
        }
        if(text.re_match(`^https?:\/\/(www|s)\.youtube\.com\/(pagead|ptracking)`, request["URL"])){
            return {
                "StatusCode": 503
            }
        }
        if(text.re_match(`^https?:\/\/s\.youtube\.com\/api\/stats\/qoe\?adcontext`, request["URL"])){
            return {
                "StatusCode": 503
            }
        }

        return request
    }
    return response

    // End

})(request, response)