Merge pull request #668 from pixkk/main

Fixed low speed of playing video

NUXT/plugins/innertube.js

@@ -18,21 +18,14 @@ class Innertube {
  this.retry_count = 0;
  this.playerParams = "";
  this.signatureTimestamp = 0;
+ this.nfunction = "";
  }
 
  checkErrorCallback() {
  return typeof this.ErrorCallback === "function";
  }
 
- async makeDecipherFunction(html) {
- // Get url of base.js file
- const baseJsUrl =
- constants.URLS.YT_URL +
- getBetweenStrings(html.data, '"jsUrl":"', '","cssUrl"');
- // Get base.js content
- const baseJs = await Http.get({
- url: baseJsUrl,
- }).catch((error) => error);
+ async makeDecipherFunction(baseJs) {
  // Example:
  //;var IF={k4:function(a,b){var c=a[0];a[0]=a[b%a.length];a[b%a.length]=c},
  // VN:function(a){a.reverse()},
@@ -89,16 +82,9 @@ class Innertube {
  /\{[A-Za-z]=[A-Za-z]\.split\(""\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);return +[A-Za-z]\.join\(""\)};/.exec(
  baseJs.data
  );
- } else if (
- /\{a=a\.split\(""[^"]*""\)\};/i.exec(
- baseJs.data
- )
- ) {
+ } else if (/\{a=a\.split\(""[^"]*""\)\};/i.exec(baseJs.data)) {
  // 10.07.2023
- isMatch =
- /\{a=a\.split\(""[^"]*""\)\};/i.exec(
- baseJs.data
- );
+ isMatch = /\{a=a\.split\(""[^"]*""\)\};/i.exec(baseJs.data);
  } else {
  isMatch =
  /\{a=a\.split\(""\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);[A-Za-z]+\.[A-Za-z0-9]+\([^)]*\);return a\.join\(""\)\};/.exec(
@@ -121,20 +107,48 @@ class Innertube {
  this.decodeUrl = decodeUrlFunction();
  let signatureIntValue = /.sts="[0-9]+";/.exec(baseJs.data);
  // Get signature timestamp
- this.signatureTimestamp = signatureIntValue[0].replace(/\D/g, "");
+ this.signatureTimestamp = parseInt(
+ signatureIntValue[0].replace(/\D/g, "")
+ );
  } else {
  console.warn(
  "The first part of decipher string does not match the regex pattern."
  );
  }
  }
+ async getNFunction(baseJs) {
+ let challenge_name =
+ /\.get\("n"\)\)&&\(b=([a-zA-Z0-9$]+)(?:\[(\d+)\])?\([a-zA-Z0-9]\)/.exec(
+ baseJs.data
+ )[1];
+ //.get("n"))&&(b=fG[0](b),a.set("n",b),fG.length||kq(""))}}
+ // fG;
+ challenge_name = new RegExp(
+ `var ${challenge_name}\\s*=\\s*\\[(.+?)\\]\\s*[,;]`
+ ).exec(baseJs.data)[1];
+ challenge_name = new RegExp(
+ `${challenge_name}\\s*=\\s*function\\s*\\(([\\w$]+)\\)\\s*{(.+?}\\s*return\\ [\\w$]+.join\\(""\\))};`,
+ "s"
+ ).exec(baseJs.data)[2];
+ const fullCode = "var getN=function(a){" + challenge_name + "}; return getN;";
+ let getN = new Function(fullCode);
+ this.nfunction = getN();
+ }
  async initAsync() {
  const html = await Http.get({
- url: constants.URLS.YT_URL,
+ url: constants.URLS.YT_MOBILE,
  params: { hl: "en" },
  }).catch((error) => error);
-
- await this.makeDecipherFunction(html);
+ // Get url of base.js file
+ const baseJsUrl =
+ constants.URLS.YT_MOBILE +
+ getBetweenStrings(html.data, '"jsUrl":"', '","');
+ // Get base.js content
+ const baseJs = await Http.get({
+ url: baseJsUrl,
+ }).catch((error) => error);
+ await this.makeDecipherFunction(baseJs);
+ await this.getNFunction(baseJs);
  try {
  if (html instanceof Error && this.checkErrorCallback)
  this.ErrorCallback(html.message, true);
@@ -509,6 +523,16 @@ class Innertube {
  );
  }
  }
+
+ var searchParams = new URLSearchParams(source.url);
+
+ //Iterate the search parameters.
+ let n = searchParams.get("n");
+ searchParams.delete("n");
+
+ // For some reasons, searchParams.delete not removes &n in music videos
+ source["url"] = source["url"].replace(/&n=[^&]*/g, "");
+ source["url"] = source["url"] + "&n=" + this.nfunction(n);
  });
  const vidData = {
  id: details.videoId,