Youtube download link inserter

Inserts download links to YouTube

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Userscripts ,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name        Youtube download link inserter
// @match       https://www.youtube.com/watch?v=*
// @icon        https://s.ytimg.com/yts/img/favicon_32-vfl8NGn4k.png
// @icon64      https://s.ytimg.com/yts/img/favicon_144-vflWmzoXw.png
// @version     2.7
// @description Inserts download links to YouTube
// @author      TheSeven, RoundRobin
// @namespace https://greasyfork.org/users/97514
// ==/UserScript==

var extension = {
    "video/mp4": ".mp4",
    "video/webm": ".mkv",
    "audio/mp4": ".m4a",
    "audio/webm": ".mkv",
};

function makeButton(container, background, info, size, rate, url) {
    var a = document.createElement("a");
    a.style.display = "block";
    a.style.cssFloat = "left";
    a.style.background = background;
    a.style.border = "1px solid #888";
    a.style.boxShadow = "1px 1px 2px rgba(0, 0, 0, 0.2)";
    a.style.padding = "2px";
    a.style.margin = "2px";
    a.style.color = "#333";
    a.style.textDecoration = "none";
    container.appendChild(a);
    var mime = info.mimeType.split(";", 2);
    var format = mime[0].trim();
    var codecs = mime[1].split("\"", 2)[1].trim().split(",");
    if (info.video) {
        a.appendChild(document.createTextNode("V: " + codecs[0].split(".", 1)[0].trim() + " " + info.video.qualityLabel));
        a.appendChild(document.createElement("br"));
    }
    if (info.audio) {
        a.appendChild(document.createTextNode("A: " + codecs[codecs.length - 1].split(".", 1)[0].trim()));
        a.appendChild(document.createElement("br"));
    }
    if (rate) {
        a.appendChild(document.createTextNode(Math.round(rate / 1000 * 8) + " kbit/s"));
        a.appendChild(document.createElement("br"));
    }
    var dlindicator = document.createElement("strong");
    dlindicator.style.display = "none";
    dlindicator.appendChild(document.createTextNode("DL "));
    var dlprogress = document.createTextNode("");
    dlindicator.appendChild(dlprogress);
    a.appendChild(dlindicator);
    a.title = mime;
    if (info.video) a.title += "\nVideo: " + info.video.quality + " " + info.video.width + "x" + info.video.height;
    if (info.video && info.video.fps) a.title += ", " + info.video.fps + " FPS";
    if (size) a.title += "\nSize: " + (Math.round(size / 10000) / 100) + " MB";
    a.href = url;
    a.download = ytplayer.config.args.title + extension[format];
    var xhr = false;
    a.onclick = function() {
        if (xhr) {
            xhr.abort();
            xhr = false;
            dlindicator.style.display = "none";
            return false;
        }
        dlindicator.style.display = "inline";
        xhr = new XMLHttpRequest();
        xhr.open("GET", a.href);
        xhr.responseType = "blob";
        xhr.onprogress = function(e) {
            dlprogress.nodeValue = (Math.round(1000 * e.loaded / e.total) / 10).toFixed(1) + "%";
        };
        xhr.onload = function(e) {
            if (xhr.status > 299) {
                dlprogress.nodeValue = "Error " + xhr.status;
                return;
            }
            var dl = document.createElement("a");
            dl.style.display = "none";
            dl.href = URL.createObjectURL(e.target.response);
            dl.download = a.download;
            container.appendChild(dl);
            setTimeout(function() {
                dl.click();
                container.removeChild(dl);
                setTimeout(function() {
                    URL.revokeObjectURL(dl.href);
                    xhr = false;
                    dlindicator.style.display = "none";
                }, 1000);
            }, 1);
        };
        xhr.send();
        return false;
    };
}

function populate()
{
    var outerkey, muxstreams, muxurlkey, muxmetakey, substreams, subsizekey, subratekey;
    var clonedConfig = Object.assign({}, ytplayer.config);
    clonedConfig.args = Object.assign({}, ytplayer.config.args);
    clonedConfig.args.adaptive_fmts = null;
    var player = yt.player.Application.create(document.createElement("div"), clonedConfig);
    player.dispose();
    if (!Object.keys(player).some(key1 => {
        var o1 = player[key1];
        if (!o1 || typeof(o1) != "object" || Array.isArray(o1)) return;
        return Object.keys(o1).some(key2 => {
            var o2 = o1[key2];
            if (!o2 || typeof(o2) != "object" || Array.isArray(o2)) return;
            return Object.keys(o2).some(key3 => {
                var o3 = o2[key3];
                if (!o3 || !Array.isArray(o3)) return;
                if (!o3[0] || typeof(o3[0]) != "object") return;
                return Object.keys(o3[0]).some(key4 => {
                    var o4 = o3[0][key4];
                    if (typeof(o4) != "string" || o4.indexOf("https://") || o4.indexOf("googlevideo.com/videoplayback?") < 0) return;
                    return Object.keys(o3[0]).some(key5 => {
                        var o5 = o3[0][key5];
                        if (!o5 || typeof(o5) != "object" || o5.id === undefined) return;
                        outerkey = key1;
                        muxstreams = o3;
                        muxurlkey = key4;
                        muxmetakey = key5;
                        return true;
                    });
                });
            });
        });
    })) return console.error("Couldn't find muxed streams");
    player = yt.player.Application.create(document.createElement("div"), ytplayer.config);
    player.dispose();
    if (!Object.keys(player[outerkey]).some(key1 => {
        var o1 = player[outerkey][key1];
        if (!o1 || typeof(o1) != "object" || Array.isArray(o1)) return;
        return Object.keys(o1).some(key2 => {
            var o2 = o1[key2];
            if (!o2 || typeof(o2) != "object" || Array.isArray(o2)) return;
            return Object.keys(o2).some(key3 => {
                var o3 = o2[key3];
                if (!o3 || typeof(o3) != "object" || Array.isArray(o3)) return;
                return Object.keys(o3).some(key4 => {
                    var o4 = o3[key4];
                    if (!o4 || typeof(o4) != "object" || Array.isArray(o4)) return;
                    if (!o4.info || typeof(o4.info) != "object" || o4.info.id != key4) return;
                    return Object.keys(o4).some(key5 => {
                        var o5 = o4[key5];
                        if (typeof(o5) != "number" || key5 == "lastModified") return;
                        return Object.keys(o4.info).some(key6 => {
                            var o6 = o4.info[key6];
                            if (typeof(o6) != "number" || o6 < 1000) return;
                            substreams = o3;
                            subsizekey = key5;
                            subratekey = key6;
                            return true;
                        });
                    });
                });
            });
        });
    })) return console.error("Couldn't find individual streams");

    var detailbox = document.getElementById("action-panel-details");
    var container = document.createElement("div");
    container.className = "yt-card yt-card-has-padding";
    container.style.color = "#333";
    detailbox.parentNode.insertBefore(container, detailbox);
    var title = document.createElement("strong");
    title.appendChild(document.createTextNode("Download links:"));
    container.appendChild(title);
    var muxedContainer = document.createElement("div");
    container.appendChild(muxedContainer);
    var videoContainer = document.createElement("div");
    videoContainer.style.clear = "both";
    container.appendChild(videoContainer);
    var audioContainer = document.createElement("div");
    audioContainer.style.clear = "both";
    container.appendChild(audioContainer);
    var tailContainer = document.createElement("div");
    tailContainer.style.clear = "both";
    container.appendChild(tailContainer);

    muxstreams.forEach(function(s) {
        makeButton(muxedContainer, "#cfc", s[muxmetakey], 0, 0, s[muxurlkey]);
    });
    Object.keys(substreams).forEach(function(fid) {
        console.log("Stream " + fid);
        var s = substreams[fid];
        Object.keys(s).some(key1 => {
            var o1 = s[key1];
            if (!o1 || typeof(o1) != "object" || Array.isArray(o1)) return;
            return Object.keys(o1).some(key2 => {
                var o2 = o1[key2];
                if (!o2 || typeof(o2) != "object" || Array.isArray(o2)) return;
                return Object.keys(o2).some(key3 => {
                    var o3 = o2[key3];
                    if (typeof(o3) != "string" || o3.indexOf("https://") || o3.indexOf("googlevideo.com/videoplayback?") < 0) return;
                    if (o3.indexOf("&signature=") < 0)
                        Object.keys(o2).some(key4 => {
                            var o4 = o2[key4];
                            if (!o4 || typeof(o4) != "object" || Array.isArray(o4)) return;
                            Object.keys(o4).forEach(key5 => {
                                if (key5 == "keepalive" || key5 == "mime") return;
                                o3 += "&" + key5 + "=" + o4[key5];
                            });
                            return true;
                        });
                    console.log(o2);
                    console.log(o3);
                    if (s.info.video) makeButton(videoContainer, "#ccf", s.info, s[subsizekey], s.info[subratekey], o3);
                    if (s.info.audio) makeButton(audioContainer, "#fcc", s.info, s[subsizekey], s.info[subratekey], o3);
                    return true;
                });
            });
        });
    });
}

window.addEventListener("spfdone", function(){setTimeout(populate,100)});
populate();