☰

YouTube Links

Download YouTube videos. Video formats are listed at the top of the watch page. Video links are tagged so that they can be downloaded easily.

目前为 2018-09-27 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name           YouTube Links
  3. // @namespace      http://www.smallapple.net/
  4. // @description    Download YouTube videos. Video formats are listed at the top of the watch page. Video links are tagged so that they can be downloaded easily.
  5. // @author         Ng Hun Yang
  6. // @include        http://*.youtube.com/*
  7. // @include        http://youtube.com/*
  8. // @include        https://*.youtube.com/*
  9. // @include        https://youtube.com/*
  10. // @match          *://*.youtube.com/*
  11. // @match          *://*.googlevideo.com/*
  12. // @match          *://s.ytimg.com/yts/jsbin/*
  13. // @grant          GM_xmlhttpRequest
  14. // @grant          GM.xmlHttpRequest
  15. // @connect        googlevideo.com
  16. // @connect        s.ytimg.com
  17. // @version        2
  18. // ==/UserScript==
  19.  
  20. /* This is based on YouTube HD Suite 3.4.1 */
  21.  
  22. /* Tested on Firefox 5.0, Chrome 13 and Opera 11.50 */
  23.  
  24. (function() {
  25.  
  26. // =============================================================================
  27.  
  28. var win = typeof(unsafeWindow) !== "undefined" ? unsafeWindow : window;
  29. var doc = win.document;
  30. var loc = win.location;
  31.  
  32. if(win.top != win.self)
  33.   return;
  34.  
  35. var unsafeWin = win;
  36.  
  37. // Hack to get unsafe window in Chrome
  38. (function() {
  39.  
  40. var isChrome = navigator.userAgent.toLowerCase().indexOf("chrome") >= 0;
  41.  
  42. if(!isChrome)
  43.   return;
  44.  
  45. // Chrome 27 fixed this exploit, but luckily, its unsafeWin now works for us
  46. try {
  47.   var div = doc.createElement("div");
  48.   div.setAttribute("onclick", "return window;");
  49.   unsafeWin = div.onclick();
  50. } catch(e) {
  51.   }
  52.  
  53. }) ();
  54.  
  55. var ua = navigator.userAgent || "";
  56. var isEdgeBrowser = ua.match(/ Edge\//);
  57.  
  58. // =============================================================================
  59.  
  60. if(typeof GM == "object" && GM.xmlHttpRequest && typeof GM_xmlhttpRequest == "undefined") {
  61.   var GM_xmlhttpRequest = async function(opts) {
  62.     await GM.xmlHttpRequest(opts);
  63.     }
  64.   }
  65.  
  66. // =============================================================================
  67.  
  68. var SCRIPT_NAME = "YouTube Links";
  69.  
  70. var relInfo = {
  71.   ver: 20000,
  72.   ts: 2018092700,
  73.   desc: "Support dark theme, user settings, copy to clipboard, work on GM 4"
  74.   };
  75.  
  76. var SCRIPT_UPDATE_LINK = loc.protocol + "//greasyfork.org/scripts/5565-youtube-links-updater/code/YouTube Links Updater.user.js";
  77. var SCRIPT_LINK = loc.protocol + "//greasyfork.org/scripts/5566-youtube-links/code/YouTube Links.user.js";
  78.  
  79. // =============================================================================
  80.  
  81. var dom = {};
  82.  
  83. dom.gE = function(id) {
  84.   return doc.getElementById(id);
  85.   };
  86.  
  87. dom.gT = function(dom, tag) {
  88.   if(arguments.length == 1) {
  89.     tag = dom;
  90.     dom = doc;
  91.     }
  92.  
  93.   return dom.getElementsByTagName(tag);
  94.   };
  95.  
  96. dom.cE = function(tag) {
  97.   return document.createElement(tag);
  98.   };
  99.  
  100. dom.cT = function(s) {
  101.   return doc.createTextNode(s);
  102.   };
  103.  
  104. dom.attr = function(obj, k, v) {
  105.   if(arguments.length == 2)
  106.     return obj.getAttribute(k);
  107.  
  108.   obj.setAttribute(k, v);
  109.   };
  110.  
  111. dom.prepend = function(obj, child) {
  112.   obj.insertBefore(child, obj.firstChild);
  113.   };
  114.  
  115. dom.append = function(obj, child) {
  116.   obj.appendChild(child);
  117.   };
  118.  
  119. dom.offset = function(obj) {
  120.   var x = 0;
  121.   var y = 0;
  122.  
  123.   if(obj.getBoundingClientRect) {
  124.     var box = obj.getBoundingClientRect();
  125.     var owner = obj.ownerDocument;
  126.  
  127.     x = box.left + Math.max(owner.documentElement.scrollLeft, owner.body.scrollLeft) - owner.documentElement.clientLeft;
  128.     y = box.top + Math.max(owner.documentElement.scrollTop, owner.body.scrollTop) - owner.documentElement.clientTop;
  129.  
  130.     return { left: x, top: y };
  131.     }
  132.  
  133.   if(obj.offsetParent) {
  134.     do {
  135.       x += obj.offsetLeft - obj.scrollLeft;
  136.       y += obj.offsetTop - obj.scrollTop;
  137.       obj = obj.offsetParent;
  138.     } while(obj);
  139.     }
  140.  
  141.   return { left: x, top: y };
  142.   };
  143.  
  144. dom.inViewport = function(el) {
  145.   var rect = el.getBoundingClientRect();
  146.  
  147.   return rect.bottom >= 0 &&
  148.    rect.right >= 0 &&
  149.    rect.top < (win.innerHeight || doc.documentElement.clientHeight) &&
  150.    rect.left < (win.innerWidth || doc.documentElement.clientWidth);
  151.   };
  152.  
  153. dom.html = function(obj, s) {
  154.   if(arguments.length == 1)
  155.     return obj.innerHTML;
  156.  
  157.   obj.innerHTML = s;
  158.   };
  159.  
  160. dom.emitHtml = function(tag, attrs, body) {
  161.   if(arguments.length == 2) {
  162.     if(typeof(attrs) == "string") {
  163.       body = attrs;
  164.       attrs = {};
  165.       }
  166.     }
  167.  
  168.   var list = [];
  169.  
  170.   for(var k in attrs) {
  171.     if(attrs[k] != null)
  172.       list.push(k + "='" + attrs[k].replace(/'/g, "&#39;") + "'");
  173.     }
  174.  
  175.   var s = "<" + tag + " " + list.join(" ") + ">";
  176.  
  177.   if(body != null)
  178.     s += body + "</" + tag + ">";
  179.  
  180.   return s;
  181.   };
  182.  
  183. dom.emitCssStyles = function(styles) {
  184.   var list = [];
  185.  
  186.   for(var k in styles) {
  187.     list.push(k + ": " + styles[k] + ";");
  188.     }
  189.  
  190.   return " { " + list.join(" ") + " }";
  191.   };
  192.  
  193. dom.ajax = function(opts) {
  194.   function newXhr() {
  195.     if(window.ActiveXObject) {
  196.       try {
  197.         return new ActiveXObject("Msxml2.XMLHTTP");
  198.         } catch(e) {
  199.           }
  200.  
  201.       try {
  202.         return new ActiveXObject("Microsoft.XMLHTTP");
  203.         } catch(e) {
  204.           return null;
  205.           }
  206.       }
  207.  
  208.     if(window.XMLHttpRequest)
  209.       return new XMLHttpRequest();
  210.  
  211.     return null;
  212.     }
  213.  
  214.   function nop() {
  215.     }
  216.  
  217.   // Entry point
  218.   var xhr = newXhr();
  219.  
  220.   opts = addProp({
  221.     type: "GET",
  222.     async: true,
  223.     success: nop,
  224.     error: nop,
  225.     complete: nop
  226.     }, opts);
  227.  
  228.   xhr.open(opts.type, opts.url, opts.async);
  229.  
  230.   xhr.onreadystatechange = function() {
  231.     if(xhr.readyState == 4) {
  232.       var status = +xhr.status;
  233.  
  234.       if(status >= 200 && status < 300) {
  235.         opts.success(xhr.responseText, "success", xhr);
  236.         }
  237.       else {
  238.         opts.error(xhr, "error");
  239.         }
  240.  
  241.       opts.complete(xhr);
  242.       }
  243.     };
  244.  
  245.   xhr.send("");
  246.   };
  247.  
  248. dom.crossAjax = function(opts) {
  249.   function wrapXhr(xhr) {
  250.     var headers = xhr.responseHeaders.replace("\r", "").split("\n");
  251.  
  252.     var obj = {};
  253.  
  254.     forEach(headers, function(idx, elm) {
  255.       var nv = elm.split(":");
  256.       if(nv[1] != null)
  257.         obj[nv[0].toLowerCase()] = nv[1].replace(/^\s+/, "").replace(/\s+$/, "");
  258.       });
  259.  
  260.     var responseXML = null;
  261.  
  262.     if(opts.dataType == "xml")
  263.       responseXML = new DOMParser().parseFromString(xhr.responseText, "text/xml");
  264.  
  265.     return {
  266.       responseText: xhr.responseText,
  267.       responseXML: responseXML,
  268.       status: xhr.status,
  269.  
  270.       getAllResponseHeaders: function() {
  271.         return xhr.responseHeaders;
  272.         },
  273.  
  274.       getResponseHeader: function(name) {
  275.         return obj[name.toLowerCase()];
  276.         }
  277.       };
  278.     }
  279.  
  280.   function nop() {
  281.     }
  282.  
  283.   // Entry point
  284.   opts = addProp({
  285.     type: "GET",
  286.     async: true,
  287.     success: nop,
  288.     error: nop,
  289.     complete: nop
  290.     }, opts);
  291.  
  292.   if(typeof GM_xmlhttpRequest === "undefined") {
  293.     setTimeout(function() {
  294.       var xhr = {};
  295.       opts.error(xhr, "error");
  296.       opts.complete(xhr);
  297.       }, 0);
  298.     return;
  299.     }
  300.  
  301.   // TamperMonkey does not handle URLs starting with //
  302.   var url;
  303.  
  304.   if(opts.url.match(/^\/\//))
  305.     url = loc.protocol + opts.url;
  306.   else
  307.     url = opts.url;
  308.  
  309.   GM_xmlhttpRequest({
  310.     method: opts.type,
  311.     url: url,
  312.     synchronous: !opts.async,
  313.  
  314.     onload: function(xhr) {
  315.       xhr = wrapXhr(xhr);
  316.  
  317.       if(xhr.status >= 200 && xhr.status < 300)
  318.         opts.success(xhr.responseXML || xhr.responseText, "success", xhr);
  319.       else
  320.         opts.error(xhr, "error");
  321.  
  322.       opts.complete(xhr);
  323.       },
  324.  
  325.     onerror: function(xhr) {
  326.       xhr = wrapXhr(xhr);
  327.       opts.error(xhr, "error");
  328.       opts.complete(xhr);
  329.       }
  330.     });
  331.   };
  332.  
  333. dom.addEvent = function(e, type, fn) {
  334.   function mouseEvent(evt) {
  335.     if(this != evt.relatedTarget && !dom.isAChildOf(this, evt.relatedTarget))
  336.       fn.call(this, evt);
  337.     }
  338.  
  339.   // Entry point
  340.   if(e.addEventListener) {
  341.     var effFn = fn;
  342.  
  343.     if(type == "mouseenter") {
  344.       type = "mouseover";
  345.       effFn = mouseEvent;
  346.       }
  347.     else if(type == "mouseleave") {
  348.       type = "mouseout";
  349.       effFn = mouseEvent;
  350.       }
  351.  
  352.     e.addEventListener(type, effFn, /*capturePhase*/ false);
  353.     }
  354.   else
  355.     e.attachEvent("on" + type, function() { fn(win.event); });
  356.   };
  357.  
  358. dom.insertCss = function (styles) {
  359.   var ss = dom.cE("style");
  360.   dom.attr(ss, "type", "text/css");
  361.  
  362.   var hh = dom.gT("head") [0];
  363.   dom.append(hh, ss);
  364.   dom.append(ss, dom.cT(styles));
  365.   };
  366.  
  367. dom.isAChildOf = function(parent, child) {
  368.   if(parent === child)
  369.     return false;
  370.  
  371.   while(child && child !== parent) {
  372.     child = child.parentNode;
  373.     }
  374.  
  375.   return child === parent;
  376.   };
  377.  
  378. // -----------------------------------------------------------------------------
  379.  
  380. function timeNowInSec() {
  381.   return Math.round(+new Date() / 1000);
  382.   }
  383.  
  384. function forLoop(opts, fn) {
  385.   opts = addProp({ start: 0, inc: 1 }, opts);
  386.  
  387.   for(var idx = opts.start; idx < opts.num; idx += opts.inc) {
  388.     if(fn.call(opts, idx, opts) === false)
  389.       break;
  390.     }
  391.   }
  392.  
  393. function forEach(list, fn) {
  394.   forLoop({ num: list.length }, function(idx) {
  395.     return fn.call(list[idx], idx, list[idx]);
  396.     });
  397.   }
  398.  
  399. function addProp(dest, src) {
  400.   for(var k in src) {
  401.     if(src[k] != null)
  402.       dest[k] = src[k];
  403.     }
  404.  
  405.   return dest;
  406.   }
  407.  
  408. function inArray(elm, array) {
  409.   for(var i = 0; i < array.length; ++i) {
  410.     if(array[i] === elm)
  411.       return i;
  412.     }
  413.  
  414.   return -1;
  415.   }
  416.  
  417. function unescHtmlEntities(s) {
  418.   return s.replace(/&lt;/g, "<").replace(/&gt;/g, ">").replace(/&amp;/g, "&").replace(/&quot;/g, '"').replace(/&#39;/g, "'");
  419.   }
  420.  
  421. function logMsg(s) {
  422.   win.console.log(s);
  423.   }
  424.  
  425. function cnvSafeFname(s) {
  426.   return s.replace(/:/g, "-").replace(/"/g, "'").replace(/[\\/|*?]/g, "_");
  427.   }
  428.  
  429. function encodeSafeFname(s) {
  430.   return encodeURIComponent(cnvSafeFname(s)).replace(/'/g, "%27");
  431.   }
  432.  
  433. function getVideoName(s) {
  434.   var list = [
  435.     { name: "3GP", codec: "video\\/3gpp" },
  436.     { name: "FLV", codec: "video\\/x-flv" },
  437.     { name: "M4V", codec: "video\\/x-m4v" },
  438.     { name: "MP3", codec: "audio\\/mpeg" },
  439.     { name: "MP4", codec: "video\\/mp4" },
  440.     { name: "M4A", codec: "audio\\/mp4" },
  441.     { name: "QT", codec: "video\\/quicktime" },
  442.     { name: "WEBM", codec: "audio\\/webm" },
  443.     { name: "WEBM", codec: "video\\/webm" },
  444.     { name: "WMV", codec: "video\\/ms-wmv" }
  445.     ];
  446.  
  447.   var spCodecs = {
  448.     "opus": "OPUS",
  449.     "vorbis": "VOR",
  450.     "vp9": "VP9"
  451.     };
  452.  
  453.   if(s.match(/\+codecs=\"([a-zA-Z0-9]+)/)) {
  454.     var str = RegExp.$1;
  455.     if(spCodecs[str])
  456.       return spCodecs[str];
  457.     }
  458.  
  459.   var name = "?";
  460.  
  461.   forEach(list, function(idx, elm) {
  462.     if(s.match("^" + elm.codec)) {
  463.       name = elm.name;
  464.       return false;
  465.       }
  466.     });
  467.  
  468.   return name;
  469.   }
  470.  
  471. function getAspectRatio(wd, ht) {
  472.   return Math.round(wd / ht * 100) / 100;
  473.   }
  474.  
  475. function cnvResName(res) {
  476.   var resMap = {
  477.     "audio": "Audio"
  478.     };
  479.  
  480.   if(resMap[res])
  481.     return resMap[res];
  482.  
  483.   if(!res.match(/^(\d+)x(\d+)/))
  484.     return res;
  485.  
  486.   var wd = +RegExp.$1;
  487.   var ht = +RegExp.$2;
  488.  
  489.   if(wd < ht) {
  490.     var t = wd;
  491.     wd = ht;
  492.     ht = t;
  493.     }
  494.  
  495.   var horzResAr = [
  496.     [ 16000, "16K" ],
  497.     [ 14000, "14K" ],
  498.     [ 12000, "12K" ],
  499.     [ 10000, "10K" ],
  500.     [ 8000, "8K" ],
  501.     [ 6000, "6K" ],
  502.     [ 5000, "5K" ],
  503.     [ 4000, "4K" ],
  504.     [ 3000, "3K" ],
  505.     [ 2048, "2K" ]
  506.     ];
  507.  
  508.   var vertResAr = [
  509.     [ 4320, "8K" ],
  510.     [ 3160, "6K" ],
  511.     [ 2880, "5K" ],
  512.     [ 2160, "4K" ],
  513.     [ 1728, "3K" ],
  514.     [ 1536, "2K" ],
  515.     [ 240, "240v" ],
  516.     [ 144, "144v" ]
  517.     ];
  518.  
  519.   var aspectRatio = getAspectRatio(wd, ht);
  520.   var name;
  521.  
  522.   do {
  523.     forEach(horzResAr, function(idx, elm) {
  524.       var tolerance = elm[0] * 0.05;
  525.       if(wd >= elm[0] * 0.95) {
  526.         name = elm[1];
  527.         return false;
  528.         }
  529.       });
  530.  
  531.     if(name)
  532.       break;
  533.  
  534.     if(aspectRatio >= WIDE_AR_CUTOFF)
  535.       ht = Math.round(wd * 9 / 16);
  536.  
  537.     forEach(vertResAr, function(idx, elm) {
  538.       var tolerance = elm[0] * 0.05;
  539.       if(ht >= elm[0] - tolerance && ht < elm[0] + tolerance) {
  540.         name = elm[1];
  541.         return false;
  542.         }
  543.       });
  544.  
  545.     if(name)
  546.       break;
  547.  
  548.     // Snap to std vert res
  549.     var vertResList = [ 4320, 3160, 2880, 2160, 1536, 1080, 720, 480, 360, 240, 144 ];
  550.  
  551.     forEach(vertResList, function(idx, elm) {
  552.       var tolerance = elm * 0.05;
  553.       if(ht >= elm - tolerance && ht < elm + tolerance) {
  554.         ht = elm;
  555.         return false;
  556.         }
  557.       });
  558.  
  559.     name = String(ht) + (aspectRatio < FULL_AR_CUTOFF ? "f" : "p");
  560.   } while(false);
  561.  
  562.   if(aspectRatio >= ULTRA_WIDE_AR_CUTOFF)
  563.     name = "u" + name;
  564.   else if(aspectRatio >= WIDE_AR_CUTOFF)
  565.     name = "w" + name;
  566.  
  567.   return name;
  568.   }
  569.  
  570. function mapResToQuality(res) {
  571.   if(!res.match(/^(\d+)x(\d+)/))
  572.     return res;
  573.  
  574.   var wd = +RegExp.$1;
  575.   var ht = +RegExp.$2;
  576.  
  577.   if(wd < ht) {
  578.     var t = wd;
  579.     wd = ht;
  580.     ht = t;
  581.     }
  582.  
  583.   var resList = [
  584.     { res: 3160, q : "ultrahighres" },
  585.     { res: 1536, q : "highres" },
  586.     { res: 1080, q: "hd1080" },
  587.     { res: 720, q : "hd720" },
  588.     { res: 480, q : "large" },
  589.     { res: 360, q : "medium" }
  590.     ];
  591.  
  592.   var q;
  593.  
  594.   forEach(resList, function(idx, elm) {
  595.     if(ht >= elm.res) {
  596.       q = elm.q;
  597.       return false;
  598.       }
  599.     });
  600.  
  601.   return q || "small";
  602.   }
  603.  
  604. function getQualityIdx(quality) {
  605.   var list = [ "small", "medium", "large", "hd720", "hd1080", "highres", "ultrahighres" ];
  606.  
  607.   for(var i = 0; i < list.length; ++i) {
  608.     if(list[i] == quality)
  609.       return i;
  610.     }
  611.  
  612.   return -1;
  613.   }
  614.  
  615. // =============================================================================
  616.  
  617. RegExp.escape = function(s) {
  618.   return String(s).replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
  619.   };
  620.  
  621. var decryptSig = {
  622.   store: {}
  623.   };
  624.  
  625. (function () {
  626.  
  627. var SIG_STORE_ID = "ujsYtLinksSig";
  628.  
  629. var CHK_SIG_INTERVAL = 3 * 86400;
  630.  
  631. decryptSig.load = function() {
  632.   var obj = localStorage[SIG_STORE_ID];
  633.   if(obj == null)
  634.     return;
  635.  
  636.   decryptSig.store = JSON.parse(obj);
  637.   };
  638.  
  639. decryptSig.save = function() {
  640.   localStorage[SIG_STORE_ID] = JSON.stringify(decryptSig.store);
  641.   };
  642.  
  643. decryptSig.extractScriptUrl = function(data) {
  644.   if(data.match(/ytplayer.config\s*=.*\"assets"\s*:\s*{.*"js"\s*:\s*(".+?")/))
  645.     return JSON.parse(RegExp.$1);
  646.   else
  647.     return false;
  648.   };
  649.  
  650. decryptSig.getScriptName = function(url) {
  651.   if(url.match(/\/yts\/jsbin\/player-(.*)\/[a-zA-Z0-9_]+\.js$/))
  652.     return RegExp.$1;
  653.  
  654.   if(url.match(/\/yts\/jsbin\/html5player-(.*)\/html5player\.js$/))
  655.     return RegExp.$1;
  656.  
  657.   if(url.match(/\/html5player-(.*)\.js$/))
  658.     return RegExp.$1;
  659.  
  660.   return url;
  661.   };
  662.  
  663. decryptSig.fetchScript = function(scriptName, url) {
  664.   function success(data) {
  665.     data = data.replace(/\n|\r/g, "");
  666.  
  667.     if(!data.match(/\.signature\s*=\s*(\w+)\(\w+\)/) &&
  668.      !data.match(/\.set\(\"signature\",([\w$]+)\(\w+\)\)/) &&
  669.      !data.match(/\/yt\.akamaized\.net\/\)\s*\|\|\s*\w+\.set\s*\(.*?\)\s*;.*?\w+\.set\s*\(\s*\w+\s*,\s*(\w+)\s*\(/) &&
  670.      !data.match(/;\s*\w+\s*&&\s*\w+\.set\(\w+\s*,\s*(\w+)\s*\(/))
  671.       return;
  672.  
  673.     var sigFn = RegExp.$1;
  674.     //console.log(scriptName + " sig fn: " + sigFn);
  675.  
  676.     var fnArgBody = '\\s*\\((\\w+)\\)\\s*{(\\w+=\\w+\\.split\\(""\\);.+?;return \\w+\\.join\\(""\\))';
  677.  
  678.     if(!data.match(new RegExp("function " + RegExp.escape(sigFn) + fnArgBody)) &&
  679.      !data.match(new RegExp("(?:var |[,;]\\s*|^\\s*)" + RegExp.escape(sigFn) + "\\s*=\\s*function" + fnArgBody)))
  680.       return;
  681.  
  682.     var fnParam = RegExp.$1;
  683.     var fnBody = RegExp.$2;
  684.  
  685.     var fnHlp = {};
  686.     var objHlp = {};
  687.  
  688.     //console.log("param: " + fnParam);
  689.     //console.log(fnBody);
  690.  
  691.     fnBody = fnBody.split(";");
  692.  
  693.     forEach(fnBody, function(idx, elm) {
  694.       // its own property
  695.       if(elm.match(new RegExp("^" + fnParam + "=" + fnParam + "\\.")))
  696.         return;
  697.  
  698.       // global fn
  699.       if(elm.match(new RegExp("^" + fnParam + "=([a-zA-Z_$][a-zA-Z0-9_$]*)\\("))) {
  700.         var name = RegExp.$1;
  701.         //console.log("fnHlp: " + name);
  702.  
  703.         if(fnHlp[name])
  704.           return;
  705.  
  706.         if(data.match(new RegExp("(function " + RegExp.escape(RegExp.$1) + ".+?;return \\w+})")))
  707.           fnHlp[name] = RegExp.$1;
  708.  
  709.         return;
  710.         }
  711.  
  712.       // object fn
  713.       if(elm.match(new RegExp("^([a-zA-Z_$][a-zA-Z0-9_$]*)\.([a-zA-Z_$][a-zA-Z0-9_$]*)\\("))) {
  714.         var name = RegExp.$1;
  715.         //console.log("objHlp: " + name);
  716.  
  717.         if(objHlp[name])
  718.           return;
  719.  
  720.         if(data.match(new RegExp("(var " + RegExp.escape(RegExp.$1) + "={.+?};)")))
  721.           objHlp[name] = RegExp.$1;
  722.  
  723.         return;
  724.         }
  725.       });
  726.  
  727.     //console.log(fnHlp);
  728.     //console.log(objHlp);
  729.  
  730.     var fnHlpStr = "";
  731.  
  732.     for(var k in fnHlp)
  733.       fnHlpStr += fnHlp[k];
  734.  
  735.     for(var k in objHlp)
  736.       fnHlpStr += objHlp[k];
  737.  
  738.     var fullFn = "function(" + fnParam + "){" + fnHlpStr + fnBody.join(";") + "}";
  739.     //console.log(fullFn);
  740.  
  741.     decryptSig.store[scriptName] = { ver: relInfo.ver, ts: timeNowInSec(), fn: fullFn };
  742.     //console.log(decryptSig);
  743.  
  744.     decryptSig.save();
  745.     }
  746.  
  747.   // Entry point
  748.   dom.crossAjax({ url: url, success: success });
  749.   };
  750.  
  751. decryptSig.condFetchScript = function(url) {
  752.   var scriptName = decryptSig.getScriptName(url);
  753.   var store = decryptSig.store[scriptName];
  754.   var now = timeNowInSec();
  755.  
  756.   if(store && now - store.ts < CHK_SIG_INTERVAL && store.ver == relInfo.ver)
  757.     return;
  758.  
  759.   decryptSig.fetchScript(scriptName, url);
  760.   };
  761.  
  762. }) ();
  763.  
  764. function deobfuscateVideoSig(scriptName, sig) {
  765.   if(!decryptSig.store[scriptName])
  766.     return sig;
  767.  
  768.   //console.log(decryptSig.store[scriptName].fn);
  769.  
  770.   try {
  771.     sig = eval("(" + decryptSig.store[scriptName].fn + ") (\"" + sig + "\")");
  772.   } catch(e) {
  773.     }
  774.  
  775.   return sig;
  776.   }
  777.  
  778. // =============================================================================
  779.  
  780. function parseStreamMap(map, value) {
  781.   var fmtUrlList = [];
  782.  
  783.   forEach(value.split(","), function(idx, elm) {
  784.     var elms = elm.replace(/\\\//g, "/").replace(/\\u0026/g, "&").split("&");
  785.     var obj = {};
  786.  
  787.     forEach(elms, function(idx, elm) {
  788.       var kv = elm.split("=");
  789.       obj[kv[0]] = decodeURIComponent(kv[1]);
  790.       });
  791.  
  792.     obj.itag = +obj.itag;
  793.  
  794.     if(obj.conn != null && obj.conn.match(/^rtmpe:\/\//))
  795.       obj.isDrm = true;
  796.  
  797.     if(obj.s != null && obj.sig == null) {
  798.       var sig = deobfuscateVideoSig(map.scriptName, obj.s);
  799.       if(sig != obj.s) {
  800.         obj.sig = sig;
  801.         delete obj.s;
  802.         }
  803.       }
  804.  
  805.     fmtUrlList.push(obj);
  806.     });
  807.  
  808.   //logMsg(fmtUrlList);
  809.  
  810.   map.fmtUrlList = fmtUrlList;
  811.   }
  812.  
  813. function parseAdaptiveStreamMap(map, value) {
  814.   var fmtUrlList = [];
  815.  
  816.   forEach(value.split(","), function(idx, elm) {
  817.     var elms = elm.replace(/\\\//g, "/").replace(/\\u0026/g, "&").split("&");
  818.     var obj = {};
  819.  
  820.     forEach(elms, function(idx, elm) {
  821.       var kv = elm.split("=");
  822.       obj[kv[0]] = decodeURIComponent(kv[1]);
  823.       });
  824.  
  825.     obj.itag = +obj.itag;
  826.  
  827.     if(obj.bitrate != null)
  828.       obj.bitrate = +obj.bitrate;
  829.  
  830.     if(obj.clen != null)
  831.       obj.clen = +obj.clen;
  832.  
  833.     if(obj.fps != null)
  834.       obj.fps = +obj.fps;
  835.  
  836.     //logMsg(obj);
  837.     //logMsg(map.videoId + ": " + obj.index + " " + obj.init + " " + obj.itag + " " + obj.size + " " + obj.bitrate + " " + obj.type);
  838.  
  839.     if(obj.type.match(/^video\/mp4/))
  840.       obj.effType = "video/x-m4v";
  841.  
  842.     if(obj.type.match(/^audio\//))
  843.       obj.size = "audio";
  844.  
  845.     obj.quality = mapResToQuality(obj.size);
  846.  
  847.     if(!map.adaptiveAR && obj.size.match(/^(\d+)x(\d+)/))
  848.       map.adaptiveAR = +RegExp.$1 / +RegExp.$2;
  849.  
  850.     if(obj.s != null && obj.sig == null) {
  851.       var sig = deobfuscateVideoSig(map.scriptName, obj.s);
  852.       if(sig != obj.s) {
  853.         obj.sig = sig;
  854.         delete obj.s;
  855.         }
  856.       }
  857.  
  858.     fmtUrlList.push(obj);
  859.  
  860.     map.fmtMap[obj.itag] = { res: cnvResName(obj.size) };
  861.     });
  862.  
  863.   //logMsg(fmtUrlList);
  864.  
  865.   map.fmtUrlList = map.fmtUrlList.concat(fmtUrlList);
  866.   }
  867.  
  868. function parseFmtList(map, value) {
  869.   var list = value.split(",");
  870.  
  871.   forEach(list, function(idx, elm) {
  872.     var elms = elm.replace(/\\\//g, "/").split("/");
  873.  
  874.     var fmtId = elms[0];
  875.     var res = elms[1];
  876.     elms.splice(/*idx*/ 0, /*rm*/ 2);
  877.  
  878.     if(map.adaptiveAR && res.match(/^(\d+)x(\d+)/))
  879.       res = Math.round(+RegExp.$2 * map.adaptiveAR) + "x" + RegExp.$2;
  880.  
  881.     map.fmtMap[fmtId] = { res: cnvResName(res), vars: elms };
  882.     });
  883.  
  884.   //logMsg(map.fmtMap);
  885.   }
  886.  
  887. function getExt(elm) {
  888.   return "";
  889.   }
  890.  
  891. function getVideoInfo(url, callback) {
  892.   function getVideoNameByType(elm) {
  893.     return getVideoName(elm.effType || elm.type);
  894.     }
  895.  
  896.   function success(data) {
  897.     var map = {};
  898.  
  899.     if(data.match(/<div\s+id="verify-details">/)) {
  900.       logMsg("Skipping " + url);
  901.       return;
  902.       }
  903.  
  904.     if(data.match(/<h1\s+id="unavailable-message">/)) {
  905.       logMsg("Not avail " + url);
  906.       return;
  907.       }
  908.  
  909.     if(data.match(/"t":\s?"(.+?)"/))
  910.       map.t = RegExp.$1;
  911.  
  912.     if(data.match(/"video_id":\s?"(.+?)"/))
  913.       map.videoId = RegExp.$1;
  914.  
  915.     if(!map.videoId) {
  916.       logMsg("No videoId; skipping " + url);
  917.       return;
  918.       }
  919.  
  920.     map.scriptUrl = decryptSig.extractScriptUrl(data);
  921.     if(map.scriptUrl) {
  922.       //logMsg(map.videoId + " script: " + map.scriptUrl);
  923.       map.scriptName = decryptSig.getScriptName(map.scriptUrl);
  924.       decryptSig.condFetchScript(map.scriptUrl);
  925.       }
  926.  
  927.     if(data.match(/<meta\s+itemprop="name"\s*content="(.+)"\s*>\s*\n/))
  928.       map.title = unescHtmlEntities(RegExp.$1);
  929.  
  930.     if(map.title == null && data.match(/<meta\s+name="title"\s*content="(.+)"\s*>/))
  931.       map.title = unescHtmlEntities(RegExp.$1);
  932.  
  933.     // Edge replaces & with \u0026
  934.     if(map.title == null && data.match(/[,{]"title":("[^"]+")[,}]/))
  935.       map.title = unescHtmlEntities(JSON.parse(RegExp.$1));
  936.  
  937.     // Edge fails the previous regex if \" exists
  938.     if(map.title == null && data.match(/[,{]"title":(".*?")[,}]"/))
  939.       map.title = unescHtmlEntities(JSON.parse(RegExp.$1));
  940.  
  941.     if(data.match(/[,{]\\"isLiveContent\\":\s*true[,}]/))
  942.       map.isLive = true;
  943.  
  944.     map.fmtUrlList = [];
  945.  
  946.     if(data.match(/[,{]"url_encoded_fmt_stream_map":\s?"([^"]+)"[,}]/))
  947.       parseStreamMap(map, RegExp.$1);
  948.  
  949.     map.fmtMap = {};
  950.  
  951.     if(data.match(/[,{]"adaptive_fmts":\s?"(.+?)"[,}]/))
  952.       parseAdaptiveStreamMap(map, RegExp.$1);
  953.  
  954.     if(data.match(/[,{]"fmt_list":\s?"([^"]+)"[,}]/))
  955.       parseFmtList(map, RegExp.$1);
  956.  
  957.     if(data.match(/[,{]"dashmpd":\s?"(.+?)"[,}]/))
  958.       map.dashmpd = decodeURIComponent(RegExp.$1.replace(/\\\//g, "/"));
  959.  
  960.     if(userConfig.filteredFormats.length > 0) {
  961.       for(var i = 0; i < map.fmtUrlList.length; ++i) {
  962.         if(inArray(getVideoNameByType(map.fmtUrlList[i]), userConfig.filteredFormats) >= 0) {
  963.           map.fmtUrlList.splice(i, /*len*/ 1);
  964.           --i;
  965.           continue;
  966.           }
  967.         }
  968.       }
  969.  
  970.     var hasHighRes = false;
  971.     var hasHighAudio = false;
  972.     var HIGH_AUDIO_BPS = 96 * 1024;
  973.  
  974.     forEach(map.fmtUrlList, function(idx, elm) {
  975.       hasHighRes |= elm.quality == "hd720" || elm.quality == "hd1080";
  976.  
  977.       if(elm.quality == "audio")
  978.         hasHighAudio |= elm.bitrate >= HIGH_AUDIO_BPS;
  979.       });
  980.  
  981.     if(hasHighRes) {
  982.       for(var i = 0; i < map.fmtUrlList.length; ++i) {
  983.         if(inArray(getVideoNameByType(map.fmtUrlList[i]), userConfig.keepFormats) >= 0)
  984.           continue;
  985.  
  986.         if(map.fmtUrlList[i].quality == "small") {
  987.           map.fmtUrlList.splice(i, /*len*/ 1);
  988.           --i;
  989.           continue;
  990.           }
  991.         }
  992.       }
  993.  
  994.     if(hasHighAudio) {
  995.       for(var i = 0; i < map.fmtUrlList.length; ++i) {
  996.         if(inArray(getVideoNameByType(map.fmtUrlList[i]), userConfig.keepFormats) >= 0)
  997.           continue;
  998.  
  999.         if(map.fmtUrlList[i].quality == "audio" && map.fmtUrlList[i].bitrate < HIGH_AUDIO_BPS) {
  1000.           map.fmtUrlList.splice(i, /*len*/ 1);
  1001.           --i;
  1002.           continue;
  1003.           }
  1004.         }
  1005.       }
  1006.  
  1007.     map.fmtUrlList.sort(cmpUrlList);
  1008.  
  1009.     callback(map);
  1010.     }
  1011.  
  1012.   // Entry point
  1013.   dom.ajax({ url: url, success: success });
  1014.   }
  1015.  
  1016. function cmpUrlList(a, b) {
  1017.   var diff = getQualityIdx(b.quality) - getQualityIdx(a.quality);
  1018.   if(diff != 0)
  1019.     return diff;
  1020.  
  1021.   var aRes = (a.size || "").match(/^(\d+)x(\d+)/);
  1022.   var bRes = (b.size || "").match(/^(\d+)x(\d+)/);
  1023.  
  1024.   if(aRes == null) aRes = [ 0, 0, 0 ];
  1025.   if(bRes == null) bRes = [ 0, 0, 0 ];
  1026.  
  1027.   diff = +bRes[2] - +aRes[2];
  1028.   if(diff != 0)
  1029.     return diff;
  1030.  
  1031.   var aFps = a.fps || 0;
  1032.   var bFps = b.fps || 0;
  1033.  
  1034.   return bFps - aFps;
  1035.   }
  1036.  
  1037. // -----------------------------------------------------------------------------
  1038.  
  1039. var CSS_PREFIX = "ujs-";
  1040.  
  1041. var HDR_LINKS_HTML_ID = CSS_PREFIX + "hdr-links-div";
  1042. var LINKS_HTML_ID = CSS_PREFIX + "links-cls";
  1043. var LINKS_TP_HTML_ID = CSS_PREFIX + "links-tp-div";
  1044. var UPDATE_HTML_ID = CSS_PREFIX + "update-div";
  1045. var VID_FMT_BTN_ID = CSS_PREFIX + "vid-fmt-btn";
  1046.  
  1047. /* The !important attr is to override the page's specificity. */
  1048. var CSS_STYLES =
  1049.   "#" + VID_FMT_BTN_ID + dom.emitCssStyles({
  1050.     "cursor": "pointer",
  1051.     "margin": "0 0.333em",
  1052.     "padding": "0.5em"
  1053.     }) + "\n" +
  1054.   "#" + UPDATE_HTML_ID + dom.emitCssStyles({
  1055.     "background-color": "#f00",
  1056.     "border-radius": "2px",
  1057.     "color": "#fff",
  1058.     "padding": "5px",
  1059.     "text-align": "center",
  1060.     "text-decoration": "none",
  1061.     "position": "fixed",
  1062.     "top": "0.5em",
  1063.     "right": "0.5em",
  1064.     "z-index": "1000"
  1065.     }) + "\n" +
  1066.   "#" + UPDATE_HTML_ID + ":hover" + dom.emitCssStyles({
  1067.     "background-color": "#0d0"
  1068.     }) + "\n" +
  1069.   "#page-container #" + HDR_LINKS_HTML_ID + dom.emitCssStyles({
  1070.     "font-size": "90%"
  1071.     }) + "\n" +
  1072.   "#page-manager #" + HDR_LINKS_HTML_ID + dom.emitCssStyles({ // 2017 Material Design
  1073.     "font-size": "1.2em"
  1074.     }) + "\n" +
  1075.   "#" + HDR_LINKS_HTML_ID + dom.emitCssStyles({
  1076.     "background-color": "#f8f8f8",
  1077.     "border": "#eee 1px solid",
  1078.     //"border-radius": "3px",
  1079.     "color": "#333",
  1080.     "margin": "5px",
  1081.     "padding": "5px"
  1082.     }) + "\n" +
  1083.   "html[dark] #" + HDR_LINKS_HTML_ID + dom.emitCssStyles({
  1084.     "background-color": "#222",
  1085.     "border": "none"
  1086.     }) + "\n" +
  1087.   "#" + HDR_LINKS_HTML_ID + " ." + CSS_PREFIX + "group" + dom.emitCssStyles({
  1088.     "background-color": "#fff",
  1089.     "color": "#000 !important",
  1090.     "border": "#ccc 1px solid",
  1091.     "border-radius": "3px",
  1092.     "display": "inline-block",
  1093.     "margin": "3px",
  1094.     }) + "\n" +
  1095.   "html[dark] #" + HDR_LINKS_HTML_ID + " ." + CSS_PREFIX + "group" + dom.emitCssStyles({
  1096.     "background-color": "#444",
  1097.     "color": "#fff !important",
  1098.     "border": "none"
  1099.     }) + "\n" +
  1100.   "#" + HDR_LINKS_HTML_ID + " a" + dom.emitCssStyles({
  1101.     "display": "table-cell",
  1102.     "padding": "3px",
  1103.     "text-decoration": "none"
  1104.     }) + "\n" +
  1105.   "#" + HDR_LINKS_HTML_ID + " a:hover" + dom.emitCssStyles({
  1106.     "background-color": "#d1e1fa"
  1107.     }) + "\n" +
  1108.   "div." + LINKS_HTML_ID + dom.emitCssStyles({
  1109.     "border-radius": "3px",
  1110.     "cursor": "default",
  1111.     "line-height": "1em",
  1112.     "position": "absolute",
  1113.     "left": "0",
  1114.     "top": "0",
  1115.     "z-index": "1000"
  1116.     }) + "\n" +
  1117.   "#page-manager div." + LINKS_HTML_ID + dom.emitCssStyles({ // 2017 Material Design
  1118.     "font-size": "1.2em",
  1119.     "padding": "2px 4px"
  1120.     }) + "\n" +
  1121.   "div." + LINKS_HTML_ID + ".layout2017" + dom.emitCssStyles({ // 2017 Material Design
  1122.     "font-size": "1.2em"
  1123.     }) + "\n" +
  1124.   "#" + LINKS_TP_HTML_ID + dom.emitCssStyles({
  1125.     "background-color": "#f0f0f0",
  1126.     "border": "#aaa 1px solid",
  1127.     "padding": "3px 0",
  1128.     "text-decoration": "none",
  1129.     "white-space": "nowrap",
  1130.     "z-index": "1100"
  1131.     }) + "\n" +
  1132.   "html[dark] #" + LINKS_TP_HTML_ID + dom.emitCssStyles({
  1133.     "background-color": "#222"
  1134.     }) + "\n" +
  1135.   "div." + LINKS_HTML_ID + " a" + dom.emitCssStyles({
  1136.     "display": "inline-block",
  1137.     "margin": "1px",
  1138.     "text-decoration": "none"
  1139.     }) + "\n" +
  1140.   "div." + LINKS_HTML_ID + " ." + CSS_PREFIX + "video" + dom.emitCssStyles({
  1141.     "display": "inline-block",
  1142.     "text-align": "center",
  1143.     "width": "3.5em"
  1144.     }) + "\n" +
  1145.   "div." + LINKS_HTML_ID + " ." + CSS_PREFIX + "quality" + dom.emitCssStyles({
  1146.     "display": "inline-block",
  1147.     "text-align": "center",
  1148.     "width": "5.5em"
  1149.     }) + "\n" +
  1150.   "." + CSS_PREFIX + "video" + dom.emitCssStyles({
  1151.     "color": "#fff !important",
  1152.     "padding": "1px 3px",
  1153.     "text-align": "center"
  1154.     }) + "\n" +
  1155.   "." + CSS_PREFIX + "quality" + dom.emitCssStyles({
  1156.     "color": "#000 !important",
  1157.     "display": "table-cell",
  1158.     "min-width": "1.5em",
  1159.     "padding": "1px 3px",
  1160.     "text-align": "center",
  1161.     "vertical-align": "middle"
  1162.     }) + "\n" +
  1163.   "html[dark] ." + CSS_PREFIX + "quality" + dom.emitCssStyles({
  1164.     "color": "#fff !important"
  1165.     }) + "\n" +
  1166.   "." + CSS_PREFIX + "filesize" + dom.emitCssStyles({
  1167.     "font-size": "90%",
  1168.     "margin-top": "2px",
  1169.     "padding": "1px 3px",
  1170.     "text-align": "center"
  1171.     }) + "\n" +
  1172.   "html[dark] ." + CSS_PREFIX + "filesize" + dom.emitCssStyles({
  1173.     "color": "#999"
  1174.     }) + "\n" +
  1175.   "." + CSS_PREFIX + "filesize-err" + dom.emitCssStyles({
  1176.     "color": "#f00",
  1177.     "font-size": "90%",
  1178.     "margin-top": "2px",
  1179.     "padding": "1px 3px",
  1180.     "text-align": "center"
  1181.     }) + "\n" +
  1182.   "." + CSS_PREFIX + "not-avail" + dom.emitCssStyles({
  1183.     "background-color": "#700",
  1184.     "color": "#fff",
  1185.     "padding": "3px",
  1186.     }) + "\n" +
  1187.   "." + CSS_PREFIX + "3gp" + dom.emitCssStyles({
  1188.     "background-color": "#bbb"
  1189.     }) + "\n" +
  1190.   "." + CSS_PREFIX + "flv" + dom.emitCssStyles({
  1191.     "background-color": "#0dd"
  1192.     }) + "\n" +
  1193.   "." + CSS_PREFIX + "m4a" + dom.emitCssStyles({
  1194.     "background-color": "#07e"
  1195.     }) + "\n" +
  1196.   "." + CSS_PREFIX + "m4v" + dom.emitCssStyles({
  1197.     "background-color": "#07e"
  1198.     }) + "\n" +
  1199.   "." + CSS_PREFIX + "mp3" + dom.emitCssStyles({
  1200.     "background-color": "#7ba"
  1201.     }) + "\n" +
  1202.   "." + CSS_PREFIX + "mp4" + dom.emitCssStyles({
  1203.     "background-color": "#777"
  1204.     }) + "\n" +
  1205.   "." + CSS_PREFIX + "opus" + dom.emitCssStyles({
  1206.     "background-color": "#e0e"
  1207.     }) + "\n" +
  1208.   "." + CSS_PREFIX + "qt" + dom.emitCssStyles({
  1209.     "background-color": "#f08"
  1210.     }) + "\n" +
  1211.   "." + CSS_PREFIX + "vor" + dom.emitCssStyles({
  1212.     "background-color": "#e0e"
  1213.     }) + "\n" +
  1214.   "." + CSS_PREFIX + "vp9" + dom.emitCssStyles({
  1215.     "background-color": "#e0e"
  1216.     }) + "\n" +
  1217.   "." + CSS_PREFIX + "webm" + dom.emitCssStyles({
  1218.     "background-color": "#d4d"
  1219.     }) + "\n" +
  1220.   "." + CSS_PREFIX + "wmv" + dom.emitCssStyles({
  1221.     "background-color": "#c75"
  1222.     }) + "\n" +
  1223.   "." + CSS_PREFIX + "small" + dom.emitCssStyles({
  1224.     "color": "#888 !important",
  1225.     }) + "\n" +
  1226.   "." + CSS_PREFIX + "medium" + dom.emitCssStyles({
  1227.     "color": "#fff !important",
  1228.     "background-color": "#0d0"
  1229.     }) + "\n" +
  1230.   "." + CSS_PREFIX + "large" + dom.emitCssStyles({
  1231.     "color": "#fff !important",
  1232.     "background-color": "#00d",
  1233.     "background-image": "linear-gradient(to right, #00d, #00a)"
  1234.     }) + "\n" +
  1235.   "." + CSS_PREFIX + "hd720" + dom.emitCssStyles({
  1236.     "color": "#fff !important",
  1237.     "background-color": "#f90",
  1238.     "background-image": "linear-gradient(to right, #f90, #d70)"
  1239.     }) + "\n" +
  1240.   "." + CSS_PREFIX + "hd1080" + dom.emitCssStyles({
  1241.     "color": "#fff !important",
  1242.     "background-color": "#f00",
  1243.     "background-image": "linear-gradient(to right, #f00, #c00)"
  1244.     }) + "\n" +
  1245.   "." + CSS_PREFIX + "highres" + dom.emitCssStyles({
  1246.     "color": "#fff !important",
  1247.     "background-color": "#c0f",
  1248.     "background-image": "linear-gradient(to right, #c0f, #90f)"
  1249.     }) + "\n" +
  1250.   "." + CSS_PREFIX + "ultrahighres" + dom.emitCssStyles({
  1251.     "color": "#fff !important",
  1252.     "background-color": "#ffe42b",
  1253.     "background-image": "linear-gradient(to right, #ffe42b, #dfb200)"
  1254.     }) + "\n" +
  1255.   "." + CSS_PREFIX + "pos-rel" + dom.emitCssStyles({
  1256.     "position": "relative"
  1257.     }) + "\n" +
  1258.   "#" + HDR_LINKS_HTML_ID + " a.flash:hover" + dom.emitCssStyles({
  1259.     "background-color": "#ffa",
  1260.     "transition": "background-color 0.25s linear"
  1261.     }) + "\n" +
  1262.   "#" + HDR_LINKS_HTML_ID + " a.flash-out:hover" + dom.emitCssStyles({
  1263.     "transition": "background-color 0.25s linear"
  1264.     }) + "\n" +
  1265.   "div." + LINKS_HTML_ID + " a.flash div" + dom.emitCssStyles({
  1266.     "background-color": "#ffa",
  1267.     "transition": "background-color 0.25s linear"
  1268.     }) + "\n" +
  1269.   "div." + LINKS_HTML_ID + " a.flash-out div" + dom.emitCssStyles({
  1270.     "transition": "background-color 0.25s linear"
  1271.     }) + "\n" +
  1272.   "";
  1273.  
  1274. function condInsertHdr(divId) {
  1275.   if(dom.gE(HDR_LINKS_HTML_ID))
  1276.     return true;
  1277.  
  1278.   var insertPtNode = dom.gE(divId);
  1279.   if(!insertPtNode)
  1280.     return false;
  1281.  
  1282.   var divNode = dom.cE("div");
  1283.   divNode.id = HDR_LINKS_HTML_ID;
  1284.  
  1285.   insertPtNode.parentNode.insertBefore(divNode, insertPtNode);
  1286.   return true;
  1287.   }
  1288.  
  1289. function condRemoveHdr() {
  1290.   var node = dom.gE(HDR_LINKS_HTML_ID);
  1291.  
  1292.   if(node)
  1293.     node.parentNode.removeChild(node);
  1294.   }
  1295.  
  1296. function condInsertTooltip() {
  1297.   if(dom.gE(LINKS_TP_HTML_ID))
  1298.     return true;
  1299.  
  1300.   var toolTipNode = dom.cE("div");
  1301.   toolTipNode.id = LINKS_TP_HTML_ID;
  1302.  
  1303.   var cls = [ LINKS_HTML_ID ];
  1304.  
  1305.   if(dom.gE("page-manager"))
  1306.     cls.push("layout2017");
  1307.  
  1308.   dom.attr(toolTipNode, "class", cls.join(" "));
  1309.   dom.attr(toolTipNode, "style", "display: none;");
  1310.  
  1311.   dom.append(doc.body, toolTipNode);
  1312.  
  1313.   dom.addEvent(toolTipNode, "mouseleave", function(evt) {
  1314.     //logMsg("mouse leave");
  1315.     dom.attr(toolTipNode, "style", "display: none;");
  1316.     stopChkMouseInPopup();
  1317.     });
  1318.   }
  1319.  
  1320. function condInsertUpdateIcon() {
  1321.   if(dom.gE(UPDATE_HTML_ID))
  1322.     return;
  1323.  
  1324.   var divNode = dom.cE("a");
  1325.   divNode.id = UPDATE_HTML_ID;
  1326.   dom.append(doc.body, divNode);
  1327.   }
  1328.  
  1329. // -----------------------------------------------------------------------------
  1330.  
  1331. var STORE_ID = "ujsYtLinks";
  1332. var JSONP_ID = "ujsYtLinks";
  1333.  
  1334. var userConfig = {
  1335.   copyToClipboard: !isEdgeBrowser,
  1336.   filteredFormats: [],
  1337.   keepFormats: [],
  1338.   showVideoFormats: true,
  1339.   showVideoSize: true,
  1340.   tagLinks: true
  1341.   };
  1342.  
  1343. var videoInfoCache = {};
  1344.  
  1345. var TAG_LINK_NUM_PER_BATCH = 5;
  1346. var INI_TAG_LINK_DELAY_MS = 200;
  1347. var SUB_TAG_LINK_DELAY_MS = 500;
  1348.  
  1349. // -----------------------------------------------------------------------------
  1350.  
  1351. var FULL_AR_CUTOFF = 1.5;
  1352. var WIDE_AR_CUTOFF = 2.0;
  1353. var ULTRA_WIDE_AR_CUTOFF = 2.3;
  1354.  
  1355. var HFR_CUTOFF = 45;
  1356.  
  1357. function Links() {
  1358.   }
  1359.  
  1360. Links.prototype.init = function() {
  1361.   for(var k in userConfig) {
  1362.     try {
  1363.       var v = localStorage.getItem(STORE_ID + ".cfg." + k);
  1364.       if(v != null)
  1365.         userConfig[k] = JSON.parse(v);
  1366.     } catch(e) {
  1367.       logMsg(k + ": unable to parse '" + v + "'");
  1368.       }
  1369.     }
  1370.   };
  1371.  
  1372. Links.prototype.getPreferredFmt = function(map) {
  1373.   var selElm = map.fmtUrlList[0];
  1374.  
  1375.   forEach(map.fmtUrlList, function(idx, elm) {
  1376.     if(getVideoName(elm.type).toLowerCase() != "webm") {
  1377.       selElm = elm;
  1378.       return false;
  1379.       }
  1380.     });
  1381.  
  1382.   return selElm;
  1383.   };
  1384.  
  1385. Links.prototype.parseDashManifest = function(map, callback) {
  1386.   function parse(xml) {
  1387.     //logMsg(xml);
  1388.  
  1389.     var dashList = [];
  1390.  
  1391.     var adaptationSetDom = xml.getElementsByTagName("AdaptationSet");
  1392.     //logMsg(adaptationSetDom);
  1393.  
  1394.     forEach(adaptationSetDom, function(i, adaptationElm) {
  1395.       var mimeType = adaptationElm.getAttribute("mimeType");
  1396.       //logMsg(i + " " + mimeType);
  1397.  
  1398.       var representationDom = adaptationElm.getElementsByTagName("Representation");
  1399.       forEach(representationDom, function(j, repElm) {
  1400.         var dashElm = { mimeType: mimeType };
  1401.  
  1402.         forEach([ "codecs" ], function(idx, elm) {
  1403.           var v = repElm.getAttribute(elm);
  1404.           if(v != null)
  1405.             dashElm[elm] = v;
  1406.           });
  1407.  
  1408.         forEach([ "audioSamplingRate", "bandwidth", "frameRate", "height", "id", "width" ], function(idx, elm) {
  1409.           var v = repElm.getAttribute(elm);
  1410.           if(v != null)
  1411.             dashElm[elm] = +v;
  1412.           });
  1413.  
  1414.         var baseUrlDom = repElm.getElementsByTagName("BaseURL");
  1415.         dashElm.len = +baseUrlDom[0].getAttribute("yt:contentLength");
  1416.         dashElm.url = baseUrlDom[0].textContent;
  1417.  
  1418.         dashList.push(dashElm);
  1419.         });
  1420.       });
  1421.  
  1422.     //logMsg(map);
  1423.     //logMsg(dashList);
  1424.  
  1425.     var maxBitRateMap = {};
  1426.  
  1427.     forEach(dashList, function(idx, dashElm) {
  1428.       if(dashElm.mimeType != "video/mp4" && dashElm.mimeType != "video/webm")
  1429.         return;
  1430.  
  1431.       var id = [ dashElm.mimeType, dashElm.width, dashElm.height, dashElm.frameRate ].join("|");
  1432.  
  1433.       if(maxBitRateMap[id] == null || maxBitRateMap[id] < dashElm.bandwidth)
  1434.         maxBitRateMap[id] = dashElm.bandwidth;
  1435.       });
  1436.  
  1437.     forEach(dashList, function(idx, dashElm) {
  1438.       var foundIdx;
  1439.  
  1440.       forEach(map.fmtUrlList, function(idx, mapElm) {
  1441.         if(dashElm.id == mapElm.itag) {
  1442.           foundIdx = idx;
  1443.           return false;
  1444.           }
  1445.         });
  1446.  
  1447.       if(foundIdx != null)
  1448.         return;
  1449.  
  1450.       //logMsg(dashElm);
  1451.  
  1452.       if((dashElm.mimeType == "video/mp4" || dashElm.mimeType == "video/webm") && (dashElm.width >= 1000 || dashElm.height >= 1000)) {
  1453.         var id = [ dashElm.mimeType, dashElm.width, dashElm.height, dashElm.frameRate ].join("|");
  1454.  
  1455.         if(maxBitRateMap[id] == null || dashElm.bandwidth < maxBitRateMap[id])
  1456.           return;
  1457.  
  1458.         var size = dashElm.width + "x" + dashElm.height;
  1459.  
  1460.         if(map.fmtMap[dashElm.id] == null)
  1461.           map.fmtMap[dashElm.id] = { res: cnvResName(size) };
  1462.  
  1463.         map.fmtUrlList.push({
  1464.           bitrate: dashElm.bandwidth,
  1465.           effType: dashElm.mimeType == "video/mp4" ? "video/x-m4v" : null,
  1466.           filesize: dashElm.len,
  1467.           fps: dashElm.frameRate,
  1468.           itag: dashElm.id,
  1469.           quality: mapResToQuality(size),
  1470.           size: size,
  1471.           type: dashElm.mimeType + ";+codecs=\"" + dashElm.codecs + "\"",
  1472.           url: dashElm.url
  1473.           });
  1474.         }
  1475.       else if(dashElm.mimeType == "audio/mp4" && dashElm.audioSamplingRate >= 44100) {
  1476.         if(map.fmtMap[dashElm.id] == null) {
  1477.           map.fmtMap[dashElm.id] = { res: "Audio" };
  1478.           }
  1479.  
  1480.         map.fmtUrlList.push({
  1481.           bitrate: dashElm.bandwidth,
  1482.           filesize: dashElm.len,
  1483.           itag: dashElm.id,
  1484.           quality: "audio",
  1485.           type: dashElm.mimeType + ";+codecs=\"" + dashElm.codecs + "\"",
  1486.           url: dashElm.url
  1487.           });
  1488.         }
  1489.       });
  1490.  
  1491.     if(condInsertHdr(me.getInsertPt()))
  1492.       me.createLinks(dom.gE(HDR_LINKS_HTML_ID), map);
  1493.     }
  1494.  
  1495.   // Entry point
  1496.   var me = this;
  1497.  
  1498.   if(!map.dashmpd) {
  1499.     setTimeout(callback, 0);
  1500.     return;
  1501.     }
  1502.  
  1503.   //logMsg(map.dashmpd);
  1504.  
  1505.   if(map.dashmpd.match(/\/s\/([a-zA-Z0-9.]+)\//)) {
  1506.     var sig = deobfuscateVideoSig(map.scriptName, RegExp.$1);
  1507.     map.dashmpd = map.dashmpd.replace(/\/s\/[a-zA-Z0-9.]+\//, "/signature/" + sig + "/");
  1508.     }
  1509.  
  1510.   dom.crossAjax({
  1511.     url: map.dashmpd,
  1512.     dataType: "xml",
  1513.  
  1514.     success: function(data, status, xhr) {
  1515.       parse(data);
  1516.       callback();
  1517.       },
  1518.  
  1519.     error: function(xhr, status) {
  1520.       callback();
  1521.       },
  1522.  
  1523.     complete: function(xhr) {
  1524.       }
  1525.     });
  1526.   };
  1527.  
  1528. Links.prototype.checkFmts = function(forceFlag) {
  1529.   var me = this;
  1530.  
  1531.   if(!userConfig.showVideoFormats)
  1532.     return;
  1533.  
  1534.   if(!forceFlag && userConfig.showVideoFormats == "btn") {
  1535.     condRemoveHdr();
  1536.  
  1537.     if(dom.gE(VID_FMT_BTN_ID))
  1538.       return;
  1539.  
  1540.     // 'container' is for Material Design
  1541.     var mastH = dom.gE("yt-masthead-signin") || dom.gE("yt-masthead-user") || dom.gE("container");
  1542.     if(!mastH)
  1543.       return;
  1544.  
  1545.     var btn = dom.cE("button");
  1546.     dom.attr(btn, "id", VID_FMT_BTN_ID);
  1547.     dom.attr(btn, "class", "yt-uix-button yt-uix-button-default");
  1548.     btn.innerHTML = "VidFmts";
  1549.  
  1550.     dom.prepend(mastH, btn);
  1551.  
  1552.     dom.addEvent(btn, "click", function(evt) {
  1553.       me.checkFmts(/*force*/ true);
  1554.       });
  1555.  
  1556.     return;
  1557.     }
  1558.  
  1559.   if(!loc.href.match(/watch\?(?:.+&)?v=([a-zA-Z0-9_-]+)/))
  1560.     return false;
  1561.  
  1562.   var videoId = RegExp.$1;
  1563.  
  1564.   var url = loc.protocol + "//" + loc.host + "/watch?v=" + videoId;
  1565.  
  1566.   getVideoInfo(url, function(map) {
  1567.     me.parseDashManifest(map, function() {
  1568.       me.showLinks(me.getInsertPt(), map);
  1569.       });
  1570.     });
  1571.   };
  1572.  
  1573. Links.prototype.genUrl = function(map, elm) {
  1574.   var url = elm.url + "&title=" + encodeSafeFname(map.title + getExt(elm));
  1575.  
  1576.   if(elm.sig != null)
  1577.     url += "&signature=" + elm.sig;
  1578.  
  1579.   return url;
  1580.   };
  1581.  
  1582. Links.prototype.emitLinks = function(map) {
  1583.   function fmtSize(size, units) {
  1584.     if(!units)
  1585.       units = [ "kB", "MB", "GB" ];
  1586.  
  1587.     for(var idx = 0; idx < units.length; ++idx) {
  1588.       size /= 1000;
  1589.  
  1590.       if(size < 10)
  1591.         return Math.round(size * 100) / 100 + units[idx];
  1592.  
  1593.       if(size < 100)
  1594.         return Math.round(size * 10) / 10 + units[idx];
  1595.  
  1596.       if(size < 1000 || idx == units.length - 1)
  1597.         return Math.round(size) + units[idx];
  1598.       }
  1599.     }
  1600.  
  1601.   function fmtBitrate(size) {
  1602.     return fmtSize(size, [ "kbps", "Mbps", "Gbps" ]);
  1603.     }
  1604.  
  1605.   function getFileExt(videoName, elm) {
  1606.     if(videoName == "VP9")
  1607.       return "video.webm";
  1608.  
  1609.     if(videoName == "VOR")
  1610.       return "audio.webm";
  1611.  
  1612.     return videoName.toLowerCase();
  1613.     }
  1614.  
  1615.   // Entry point
  1616.   var me = this;
  1617.   var s = [];
  1618.  
  1619.   var resMap = {};
  1620.  
  1621.   map.fmtUrlList.sort(cmpUrlList);
  1622.  
  1623.   forEach(map.fmtUrlList, function(idx, elm) {
  1624.     var fmtMap = map.fmtMap[elm.itag];
  1625.  
  1626.     if(!resMap[fmtMap.res]) {
  1627.       resMap[fmtMap.res] = [];
  1628.       resMap[fmtMap.res].quality = elm.quality;
  1629.       }
  1630.  
  1631.     resMap[fmtMap.res].push(elm);
  1632.     });
  1633.  
  1634.   for(var res in resMap) {
  1635.     var qFields = [];
  1636.  
  1637.     qFields.push(dom.emitHtml("div", { "class": CSS_PREFIX + "quality " + CSS_PREFIX + resMap[res].quality }, res));
  1638.  
  1639.     forEach(resMap[res], function(idx, elm) {
  1640.       var fields = [];
  1641.       var fmtMap = map.fmtMap[elm.itag];
  1642.       var videoName = getVideoName(elm.effType || elm.type);
  1643.  
  1644.       var addMsg = [ elm.itag, elm.type, elm.size || elm.quality ];
  1645.  
  1646.       if(elm.fps != null)
  1647.         addMsg.push(elm.fps + "fps");
  1648.  
  1649.       var varMsg = "";
  1650.  
  1651.       if(elm.bitrate != null)
  1652.         varMsg = fmtBitrate(elm.bitrate);
  1653.       else if(fmtMap.vars != null)
  1654.         varMsg = fmtMap.vars.join();
  1655.  
  1656.       addMsg.push(varMsg);
  1657.  
  1658.       if(elm.s != null)
  1659.         addMsg.push("sig-" + elm.s.length);
  1660.  
  1661.       if(elm.filesize != null && elm.filesize >= 0)
  1662.         addMsg.push(fmtSize(elm.filesize));
  1663.  
  1664.       var vidSuffix = "";
  1665.  
  1666.       if(inArray(elm.itag, [ 82, 83, 84, 100, 101, 102 ]) >= 0)
  1667.         vidSuffix = " (3D)";
  1668.       else if(elm.fps != null && elm.fps >= HFR_CUTOFF)
  1669.         vidSuffix = " (HFR)";
  1670.  
  1671.       fields.push(dom.emitHtml("div", { "class": CSS_PREFIX + "video " + CSS_PREFIX + videoName.toLowerCase() }, videoName + vidSuffix));
  1672.  
  1673.       if(elm.filesize != null) {
  1674.         var filesize = elm.filesize;
  1675.  
  1676.         if(map.isLive && filesize == 0)
  1677.           filesize = -1;
  1678.  
  1679.         if(filesize >= 0) {
  1680.           fields.push(dom.emitHtml("div", { "class": CSS_PREFIX + "filesize" }, fmtSize(filesize)));
  1681.           }
  1682.         else {
  1683.           var msg;
  1684.  
  1685.           if(elm.isDrm)
  1686.             msg = "DRM";
  1687.           else if(elm.s != null)
  1688.             msg = "sig-" + elm.s.length;
  1689.           else if(map.isLive)
  1690.             msg = "Live";
  1691.           else
  1692.             msg = "Err";
  1693.  
  1694.           fields.push(dom.emitHtml("div", { "class": CSS_PREFIX + "filesize-err" }, msg));
  1695.           }
  1696.         }
  1697.  
  1698.       var url;
  1699.  
  1700.       if(elm.isDrm)
  1701.         url = elm.conn + "?" + elm.stream;
  1702.       else
  1703.         url = me.genUrl(map, elm);
  1704.  
  1705.       var ahref = dom.emitHtml("a", {
  1706.         download: cnvSafeFname(map.title + getExt(elm)),
  1707.         ext: getFileExt(videoName, elm),
  1708.         href: url,
  1709.         res: res,
  1710.         title: addMsg.join(" | ")
  1711.         }, fields.join(""));
  1712.  
  1713.       qFields.push(ahref);
  1714.       });
  1715.  
  1716.     s.push(dom.emitHtml("div", { "class": CSS_PREFIX + "group" }, qFields.join("")));
  1717.     }
  1718.  
  1719.   return s.join("");
  1720.   };
  1721.  
  1722. Links.prototype.createLinks = function(insertNode, map) {
  1723.   function copyToClipboard(text) {
  1724.     var node = dom.cE("textarea");
  1725.  
  1726.     // Needed to prevent scrolling to top of page
  1727.     node.style.position = "fixed";
  1728.  
  1729.     node.value = text;
  1730.  
  1731.     dom.append(document.body, node);
  1732.  
  1733.     node.focus();
  1734.     node.select();
  1735.  
  1736.     var ret = false;
  1737.  
  1738.     try {
  1739.       if(document.execCommand("copy"))
  1740.         ret = true;
  1741.       } catch(e) {
  1742.         }
  1743.  
  1744.     document.body.removeChild(node);
  1745.  
  1746.     return ret;
  1747.     }
  1748.  
  1749.   function addCopyHandler(node) {
  1750.     forEach(dom.gT(node, "a"), function(idx, elm) {
  1751.       dom.addEvent(elm, "click", function(evt) {
  1752.         var me = this;
  1753.  
  1754.         var ext = dom.attr(me, "ext");
  1755.         var res = dom.attr(me, "res");
  1756.  
  1757.         // This is the only video that can be downloaded directly
  1758.         if(ext == "mp4" && res == "720p")
  1759.           return;
  1760.  
  1761.         evt.preventDefault();
  1762.  
  1763.         var fname = dom.attr(me, "download");
  1764.  
  1765.         if(ext)
  1766.           fname += "." + ext;
  1767.  
  1768.         //logMsg(fname);
  1769.  
  1770.         copyToClipboard(fname);
  1771.  
  1772.         var orgCls = dom.attr(me, "class") || "";
  1773.  
  1774.         dom.attr(me, "class", orgCls + " flash");
  1775.         setTimeout(function() { dom.attr(me, "class", orgCls + " flash-out"); }, 250);
  1776.         setTimeout(function() { dom.attr(me, "class", orgCls); }, 500);
  1777.         });
  1778.       });
  1779.     }
  1780.  
  1781.   // Entry point
  1782.   var me = this;
  1783.  
  1784.   if(insertNode == null)
  1785.     return;
  1786.  
  1787.   /* Emit to tmp node first because in GM 4, <a> event does not fire on nodes
  1788.    already in the DOM. */
  1789.  
  1790.   var stgNode = dom.cE("div");
  1791.   dom.html(stgNode, me.emitLinks(map));
  1792.  
  1793.   if(userConfig.copyToClipboard)
  1794.     addCopyHandler(stgNode);
  1795.  
  1796.   dom.html(insertNode, "");
  1797.  
  1798.   while(stgNode.childNodes.length > 0)
  1799.     insertNode.appendChild(stgNode.firstChild);
  1800.   };
  1801.  
  1802. var INI_SHOW_FILESIZE_DELAY_MS = 500;
  1803. var SUB_SHOW_FILESIZE_DELAY_MS = 200;
  1804.  
  1805. Links.prototype.showLinks = function(divId, map) {
  1806.   function updateLinks() {
  1807.     //!! Hack to update file size
  1808.     var node = dom.gE(HDR_LINKS_HTML_ID);
  1809.     if(node)
  1810.       me.createLinks(node, map);
  1811.     }
  1812.  
  1813.   // Entry point
  1814.   var me = this;
  1815.  
  1816.   // video is not avail
  1817.   if(!map.fmtUrlList)
  1818.     return;
  1819.  
  1820.   //logMsg(JSON.stringify(map));
  1821.  
  1822.   if(!condInsertHdr(divId))
  1823.     return;
  1824.  
  1825.   me.createLinks(dom.gE(HDR_LINKS_HTML_ID), map);
  1826.  
  1827.   if(!userConfig.showVideoSize)
  1828.     return;
  1829.  
  1830.   forEach(map.fmtUrlList, function(idx, elm) {
  1831.     //logMsg(elm.itag + " " + elm.url);
  1832.  
  1833.     // We just fail outright for protected/obfuscated videos
  1834.     if(elm.isDrm || elm.s != null) {
  1835.       elm.filesize = -1;
  1836.       updateLinks();
  1837.       return;
  1838.       }
  1839.  
  1840.     if(elm.clen != null) {
  1841.       elm.filesize = elm.clen;
  1842.       updateLinks();
  1843.       return;
  1844.       }
  1845.  
  1846.     setTimeout(function() {
  1847.       dom.crossAjax({
  1848.         type: "HEAD",
  1849.         url: me.genUrl(map, elm),
  1850.  
  1851.         success: function(data, status, xhr) {
  1852.           var filesize = xhr.getResponseHeader("Content-Length");
  1853.           if(filesize == null)
  1854.             return;
  1855.  
  1856.           //logMsg(map.title + " " + elm.itag + ": " + filesize);
  1857.           elm.filesize = +filesize;
  1858.  
  1859.           updateLinks();
  1860.           },
  1861.  
  1862.         error: function(xhr, status) {
  1863.           //logMsg(map.fmtMap[elm.itag].res + " " + getVideoName(elm.type) + ": " + xhr.status);
  1864.  
  1865.           if(xhr.status != 403 && xhr.status != 404)
  1866.             return;
  1867.  
  1868.           elm.filesize = -1;
  1869.  
  1870.           updateLinks();
  1871.           },
  1872.  
  1873.         complete: function(xhr) {
  1874.           //logMsg(map.title + ": " + xhr.getAllResponseHeaders());
  1875.           }
  1876.         });
  1877.        }, INI_SHOW_FILESIZE_DELAY_MS + idx * SUB_SHOW_FILESIZE_DELAY_MS);
  1878.     });
  1879.   };
  1880.  
  1881. Links.prototype.tagLinks = function() {
  1882.   var SCANNED = 1;
  1883.   var REQ_INFO = 2;
  1884.   var ADDED_INFO = 3;
  1885.  
  1886.   function prepareTagHtml(node, map) {
  1887.     var elm = me.getPreferredFmt(map);
  1888.     var fmtMap = map.fmtMap[elm.itag];
  1889.  
  1890.     dom.attr(node, "class", LINKS_HTML_ID + " " + CSS_PREFIX + "quality " + CSS_PREFIX + elm.quality);
  1891.  
  1892.     var label = fmtMap.res;
  1893.  
  1894.     if(elm.fps >= HFR_CUTOFF)
  1895.       label += elm.fps;
  1896.  
  1897.     var tagEvent;
  1898.  
  1899.     if(userConfig.tagLinks == "label")
  1900.       tagEvent = "click";
  1901.     else
  1902.       tagEvent = "mouseenter";
  1903.  
  1904.     dom.addEvent(node, tagEvent, function(evt) {
  1905.       //logMsg("mouse enter " + map.videoId);
  1906.       var pos = dom.offset(node);
  1907.       //logMsg("mouse enter: x " + pos.left + ", y " + pos.top);
  1908.  
  1909.       var toolTipNode = dom.gE(LINKS_TP_HTML_ID);
  1910.  
  1911.       dom.attr(toolTipNode, "style", "position: absolute; left: " + pos.left + "px; top: " + pos.top + "px");
  1912.  
  1913.       me.createLinks(toolTipNode, map);
  1914.  
  1915.       startChkMouseInPopup();
  1916.       });
  1917.  
  1918.     return label;
  1919.     }
  1920.  
  1921.   function addTag(hNode, map) {
  1922.     //logMsg(dom.html(hNode));
  1923.     //logMsg("hNode " + dom.attr(hNode, "class"));
  1924.     //var img = dom.gT(hNode, "img") [0];
  1925.     //logMsg(dom.attr(img, "src"));
  1926.     //logMsg(dom.attr(img, "class"));
  1927.  
  1928.     dom.attr(hNode, CSS_PREFIX + "processed", ADDED_INFO);
  1929.  
  1930.     var node = dom.cE("div");
  1931.  
  1932.     if(map.fmtUrlList) {
  1933.       tagHtml = prepareTagHtml(node, map);
  1934.       }
  1935.     else {
  1936.       dom.attr(node, "class", LINKS_HTML_ID + " " + CSS_PREFIX + "not-avail");
  1937.       tagHtml = "NA";
  1938.       }
  1939.  
  1940.     var parentNode;
  1941.     var insNode;
  1942.  
  1943.     var cls = dom.attr(hNode, "class") || "";
  1944.     var isVideoWallStill = cls.match(/videowall-still/);
  1945.     if(isVideoWallStill) {
  1946.       parentNode = hNode;
  1947.       insNode = hNode.firstChild;
  1948.       }
  1949.     else {
  1950.       parentNode = hNode.parentNode;
  1951.       insNode = hNode;
  1952.       }
  1953.  
  1954.     var parentCssPositionStyle = window.getComputedStyle(parentNode, null).getPropertyValue("position");
  1955.  
  1956.     if(parentCssPositionStyle != "absolute" && parentCssPositionStyle != "relative")
  1957.       dom.attr(parentNode, "class", dom.attr(parentNode, "class") + " " + CSS_PREFIX + "pos-rel");
  1958.  
  1959.     parentNode.insertBefore(node, insNode);
  1960.  
  1961.     dom.html(node, tagHtml);
  1962.     }
  1963.  
  1964.   function getFmt(videoId, hNode) {
  1965.     if(videoInfoCache[videoId]) {
  1966.       addTag(hNode, videoInfoCache[videoId]);
  1967.       return;
  1968.       }
  1969.  
  1970.     var url;
  1971.  
  1972.     if(videoId.match(/.+==$/))
  1973.       url = loc.protocol + "//" + loc.host + "/cthru?key=" + videoId;
  1974.     else
  1975.       url = loc.protocol + "//" + loc.host + "/watch?v=" + videoId;
  1976.  
  1977.     getVideoInfo(url, function(map) {
  1978.       videoInfoCache[videoId] = map;
  1979.       addTag(hNode, map);
  1980.       });
  1981.     }
  1982.  
  1983.   // Entry point
  1984.   var me = this;
  1985.  
  1986.   var list = [];
  1987.  
  1988.   forEach(dom.gT("a"), function(idx, hNode) {
  1989.     if(dom.attr(hNode, CSS_PREFIX + "processed"))
  1990.       return;
  1991.  
  1992.     if(!dom.inViewport(hNode))
  1993.       return;
  1994.  
  1995.     dom.attr(hNode, CSS_PREFIX + "processed", SCANNED);
  1996.  
  1997.     if(!hNode.href.match(/watch\?v=([a-zA-Z0-9_-]+)/) &&
  1998.      !hNode.href.match(/watch_videos.+?&video_ids=([a-zA-Z0-9_-]+)/))
  1999.       return;
  2000.  
  2001.     var videoId = RegExp.$1;
  2002.  
  2003.     var cls = dom.attr(hNode, "class") || "";
  2004.     if(!cls.match(/videowall-still/)) {
  2005.       if(cls == "yt-button" || cls.match(/yt-uix-button/))
  2006.         return;
  2007.  
  2008.       // Material Design
  2009.       if(cls.match(/ytd-playlist-(panel-)?video-renderer/))
  2010.         return;
  2011.  
  2012.       if(dom.attr(hNode.parentNode, "class") == "video-time")
  2013.         return;
  2014.  
  2015.       if(dom.html(hNode).match(/video-logo/i))
  2016.         return;
  2017.  
  2018.       var img = dom.gT(hNode, "img");
  2019.       if(img == null || img.length == 0)
  2020.         return;
  2021.  
  2022.       img = img[0];
  2023.  
  2024.       // /yts/img/pixel-*.gif is the placeholder image
  2025.       // can be null as well
  2026.       var imgSrc = dom.attr(img, "src") || "";
  2027.       if(imgSrc.indexOf("ytimg.com") < 0 && !imgSrc.match(/^\/yts\/img\/.*\.gif$/) && imgSrc != "")
  2028.         return;
  2029.  
  2030.       var tnSrc = dom.attr(img, "thumb") || "";
  2031.  
  2032.       if(imgSrc.match(/.+?\/([a-zA-Z0-9_-]*)\/(hq)?default\.jpg$/))
  2033.         videoId = RegExp.$1;
  2034.       else if(tnSrc.match(/.+?\/([a-zA-Z0-9_-]*)\/(hq)?default\.jpg$/))
  2035.         videoId = RegExp.$1;
  2036.       }
  2037.  
  2038.     //logMsg(idx + " " + hNode.href);
  2039.     //logMsg("videoId: " + videoId);
  2040.  
  2041.     list.push({ videoId: videoId, hNode: hNode });
  2042.  
  2043.     dom.attr(hNode, CSS_PREFIX + "processed", REQ_INFO);
  2044.     });
  2045.  
  2046.   forLoop({ num: list.length, inc: TAG_LINK_NUM_PER_BATCH, batchIdx: 0 }, function(idx) {
  2047.     var batchIdx = this.batchIdx++;
  2048.     var batchList = list.slice(idx, idx + TAG_LINK_NUM_PER_BATCH);
  2049.  
  2050.     setTimeout(function() {
  2051.       forEach(batchList, function(idx, elm) {
  2052.         //logMsg(batchIdx + " " + idx + " " + elm.hNode.href);
  2053.         getFmt(elm.videoId, elm.hNode);
  2054.         });
  2055.       }, INI_TAG_LINK_DELAY_MS + batchIdx * SUB_TAG_LINK_DELAY_MS);
  2056.     });
  2057.   };
  2058.  
  2059. Links.prototype.periodicTagLinks = function(delayMs) {
  2060.   function poll() {
  2061.     me.tagLinks();
  2062.     me.tagLinksTimerId = setTimeout(poll, 3000);
  2063.     }
  2064.  
  2065.   // Entry point
  2066.   if(!userConfig.tagLinks)
  2067.     return;
  2068.  
  2069.   var me = this;
  2070.  
  2071.   delayMs = delayMs || 0;
  2072.  
  2073.   if(me.tagLinksTimerId != null) {
  2074.     clearTimeout(me.tagLinksTimerId);
  2075.     delete me.tagLinksTimerId;
  2076.     }
  2077.  
  2078.   setTimeout(poll, delayMs);
  2079.   };
  2080.  
  2081. Links.prototype.getInsertPt = function() {
  2082.   if(dom.gE("page"))
  2083.     return "page";
  2084.   else if(dom.gE("columns")) // 2017 Material Design
  2085.     return "columns";
  2086.   else
  2087.     return "top";
  2088.   };
  2089.  
  2090. // -----------------------------------------------------------------------------
  2091.  
  2092. Links.prototype.loadSettings = function() {
  2093.   var obj = localStorage[STORE_ID];
  2094.   if(obj == null)
  2095.     return;
  2096.  
  2097.   obj = JSON.parse(obj);
  2098.  
  2099.   this.lastChkReqTs = +obj.lastChkReqTs;
  2100.   this.lastChkTs = +obj.lastChkTs;
  2101.   this.lastChkVer = +obj.lastChkVer;
  2102.   };
  2103.  
  2104. Links.prototype.storeSettings = function() {
  2105.   localStorage[STORE_ID] = JSON.stringify({
  2106.     lastChkReqTs: this.lastChkReqTs,
  2107.     lastChkTs: this.lastChkTs,
  2108.     lastChkVer: this.lastChkVer
  2109.     });
  2110.   };
  2111.  
  2112. // -----------------------------------------------------------------------------
  2113.  
  2114. var UPDATE_CHK_INTERVAL = 5 * 86400;
  2115. var FAIL_TO_CHK_UPDATE_INTERVAL = 14 * 86400;
  2116.  
  2117. Links.prototype.chkVer = function(forceFlag) {
  2118.   if(this.lastChkVer > relInfo.ver) {
  2119.     this.showNewVer({ ver: this.lastChkVer });
  2120.     return;
  2121.     }
  2122.  
  2123.   var now = timeNowInSec();
  2124.  
  2125.   //logMsg("lastChkReqTs " + this.lastChkReqTs + ", diff " + (now - this.lastChkReqTs));
  2126.   //logMsg("lastChkTs " + this.lastChkTs);
  2127.   //logMsg("lastChkVer " + this.lastChkVer);
  2128.  
  2129.   if(this.lastChkReqTs == null || now < this.lastChkReqTs) {
  2130.     this.lastChkReqTs = now;
  2131.     this.storeSettings();
  2132.     return;
  2133.     }
  2134.  
  2135.   if(now - this.lastChkReqTs < UPDATE_CHK_INTERVAL)
  2136.     return;
  2137.  
  2138.   if(this.lastChkReqTs - this.lastChkTs > FAIL_TO_CHK_UPDATE_INTERVAL)
  2139.     logMsg("Failed to check ver for " + ((this.lastChkReqTs - this.lastChkTs) / 86400) + " days");
  2140.  
  2141.   this.lastChkReqTs = now;
  2142.   this.storeSettings();
  2143.  
  2144.   unsafeWin[JSONP_ID] = this;
  2145.  
  2146.   var script = dom.cE("script");
  2147.   script.type = "text/javascript";
  2148.   script.src  = SCRIPT_UPDATE_LINK;
  2149.   dom.append(doc.body, script);
  2150.   };
  2151.  
  2152. Links.prototype.chkVerCallback = function(data) {
  2153.   delete unsafeWin[JSONP_ID];
  2154.  
  2155.   this.lastChkTs = timeNowInSec();
  2156.   this.storeSettings();
  2157.  
  2158.   //logMsg(JSON.stringify(data));
  2159.  
  2160.   var latestElm = data[0];
  2161.  
  2162.   if(latestElm.ver <= relInfo.ver)
  2163.     return;
  2164.  
  2165.   this.showNewVer(latestElm);
  2166.   };
  2167.  
  2168. Links.prototype.showNewVer = function(latestElm) {
  2169.   function getVerStr(ver) {
  2170.     var verStr = "" + ver;
  2171.  
  2172.     var majorV = verStr.substr(0, verStr.length - 4) || "0";
  2173.     var minorV = verStr.substr(verStr.length - 4, 2);
  2174.     return majorV + "." + minorV;
  2175.     }
  2176.  
  2177.   // Entry point
  2178.   this.lastChkVer = latestElm.ver;
  2179.   this.storeSettings();
  2180.  
  2181.   condInsertUpdateIcon();
  2182.  
  2183.   var aNode = dom.gE(UPDATE_HTML_ID);
  2184.  
  2185.   aNode.href = SCRIPT_LINK;
  2186.  
  2187.   if(latestElm.desc != null)
  2188.     dom.attr(aNode, "title", latestElm.desc);
  2189.  
  2190.   dom.html(aNode, dom.emitHtml("b", SCRIPT_NAME + " " + getVerStr(relInfo.ver)) +
  2191.    "<br>Click to update to " + getVerStr(latestElm.ver));
  2192.   };
  2193.  
  2194. // -----------------------------------------------------------------------------
  2195.  
  2196. var inst;
  2197.  
  2198. function waitForReady() {
  2199.   function start() {
  2200.     inst = new Links();
  2201.  
  2202.     inst.init();
  2203.     inst.loadSettings();
  2204.     decryptSig.load();
  2205.  
  2206.     dom.insertCss(CSS_STYLES);
  2207.  
  2208.     condInsertTooltip();
  2209.  
  2210.     if(loc.pathname.match(/\/watch/)) {
  2211.       inst.checkFmts();
  2212.       }
  2213.  
  2214.     inst.periodicTagLinks();
  2215.  
  2216.     inst.chkVer();
  2217.     }
  2218.  
  2219.   // 'content' is for Material Design
  2220.   if(dom.gE("page") || dom.gE("content") || dom.gE("top")) {
  2221.     start();
  2222.     return;
  2223.     }
  2224.  
  2225.   if(!dom.gE("top"))
  2226.     setTimeout(waitForReady, 300);
  2227.   }
  2228.  
  2229. var scrollTop = win.pageYOffset || doc.documentElement.scrollTop;
  2230.  
  2231. dom.addEvent(win, "scroll", function(e) {
  2232.   var newScrollTop = win.pageYOffset || doc.documentElement.scrollTop;
  2233.  
  2234.   if(Math.abs(newScrollTop - scrollTop) < 100)
  2235.     return;
  2236.  
  2237.   //logMsg("scroll by " + (newScrollTop - scrollTop));
  2238.  
  2239.   scrollTop = newScrollTop;
  2240.  
  2241.   if(inst)
  2242.     inst.periodicTagLinks(200);
  2243.   });
  2244.  
  2245. // -----------------------------------------------------------------------------
  2246.  
  2247. var curMousePos = {};
  2248. var chkMouseInPopupTimer;
  2249.  
  2250. function trackMousePos(e) {
  2251.   curMousePos.x = e.pageX;
  2252.   curMousePos.y = e.pageY;
  2253.   }
  2254.  
  2255. dom.addEvent(window, "mousemove", trackMousePos);
  2256.  
  2257. function chkMouseInPopup() {
  2258.   chkMouseInPopupTimer = null;
  2259.  
  2260.   var toolTipNode = dom.gE(LINKS_TP_HTML_ID);
  2261.   if(!toolTipNode)
  2262.     return;
  2263.  
  2264.   var pos = dom.offset(toolTipNode);
  2265.   var rect = toolTipNode.getBoundingClientRect();
  2266.  
  2267.   //logMsg("mouse x " + curMousePos.x + ", y " + curMousePos.y);
  2268.   //logMsg("x " + Math.round(pos.left) + ", y " + Math.round(pos.top) + ", wd " + Math.round(rect.width) + ", ht " + Math.round(rect.height));
  2269.  
  2270.   if(curMousePos.x < pos.left || curMousePos.x >= pos.left + rect.width ||
  2271.    curMousePos.y < pos.top || curMousePos.y >= pos.top + rect.height) {
  2272.     dom.attr(toolTipNode, "style", "display: none;");
  2273.     return;
  2274.     }
  2275.  
  2276.   chkMouseInPopupTimer = setTimeout(chkMouseInPopup, 1000);
  2277.   }
  2278.  
  2279. function startChkMouseInPopup() {
  2280.   stopChkMouseInPopup();
  2281.   chkMouseInPopupTimer = setTimeout(chkMouseInPopup, 1000);
  2282.   }
  2283.  
  2284. function stopChkMouseInPopup() {
  2285.   if(!chkMouseInPopupTimer)
  2286.     return;
  2287.  
  2288.   clearTimeout(chkMouseInPopupTimer);
  2289.   chkMouseInPopupTimer = null;
  2290.   }
  2291.  
  2292. // -----------------------------------------------------------------------------
  2293.  
  2294. /* YouTube reuses the current page when the user clicks on a new video. We need
  2295.  to detect it and reload the formats. */
  2296.  
  2297. (function() {
  2298.  
  2299. var PERIODIC_CHK_VIDEO_URL_MS = 1000;
  2300.  
  2301. var curVideoUrl = loc.toString();
  2302.  
  2303. function periodicChkVideoUrl() {
  2304.   var newVideoUrl = loc.toString();
  2305.  
  2306.   if(curVideoUrl != newVideoUrl && inst) {
  2307.     //logMsg(curVideoUrl + " -> " + newVideoUrl);
  2308.  
  2309.     curVideoUrl = newVideoUrl;
  2310.  
  2311.     if(loc.pathname.match(/\/watch/))
  2312.       inst.checkFmts();
  2313.     else
  2314.       condRemoveHdr();
  2315.     }
  2316.  
  2317.   setTimeout(periodicChkVideoUrl, PERIODIC_CHK_VIDEO_URL_MS);
  2318.   }
  2319.  
  2320. periodicChkVideoUrl();
  2321.  
  2322. }) ();
  2323.  
  2324. // -----------------------------------------------------------------------------
  2325.  
  2326. waitForReady();
  2327.  
  2328. }) ();