Amazon Video - subtitle downloader

Allows you to download subtitles from Amazon Video

À partir de 2020-06-15. Voir la dernière version.

Vous devrez installer une extension telle que Tampermonkey, Greasemonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Userscripts pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey pour installer ce script.

Vous devrez installer une extension de gestionnaire de script utilisateur pour installer ce script.

(J'ai déjà un gestionnaire de scripts utilisateur, laissez-moi l'installer !)

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

(J'ai déjà un gestionnaire de style utilisateur, laissez-moi l'installer!)

// ==UserScript==
// @name        Amazon Video - subtitle downloader
// @description Allows you to download subtitles from Amazon Video
// @license     MIT
// @version     1.7.5
// @namespace   tithen-firion.github.io
// @include     /^https:\/\/(www|smile)\.amazon\.com\/(gp\/(video|product)|(.*?\/)?dp)\/.+/
// @include     /^https:\/\/(www|smile)\.amazon\.de\/(gp\/(video|product)|(.*?\/)?dp)\/.+/
// @include     /^https:\/\/(www|smile)\.amazon\.co\.uk\/(gp\/(video|product)|(.*?\/)?dp)\/.+/
// @include     /^https:\/\/(www|smile)\.amazon\.co\.jp\/(gp\/(video|product)|(.*?\/)?dp)\/.+/
// @include     /^https:\/\/www\.primevideo\.com\/(gp\/video|(region\/.*?\/)?detail)/.+/
// @grant       unsafeWindow
// @grant       GM.xmlHttpRequest
// @grant       GM_xmlhttpRequest
// @require     https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js
// @require     https://cdn.jsdelivr.net/gh/Tithen-Firion/UserScripts@7bd6406c0d264d60428cfea16248ecfb4753e5e3/libraries/xhrHijacker.js?version=1.0
// @require     https://cdn.jsdelivr.net/gh/Stuk/jszip@579beb1d45c8d586d8be4411d5b2e48dea018c06/dist/jszip.min.js?version=3.1.5
// @require     https://cdn.jsdelivr.net/gh/eligrey/FileSaver.js@283f438c31776b622670be002caf1986c40ce90c/dist/FileSaver.min.js?version=2018-12-29
// ==/UserScript==

class ProgressBar {
  constructor() {
    let container = document.querySelector('#userscript_progress_bars');
    if(container === null) {
      container = document.createElement('div');
      container.id = 'userscript_progress_bars'
      document.body.appendChild(container)
      container.style
      container.style.position = 'fixed';
      container.style.top = 0;
      container.style.left = 0;
      container.style.width = '100%';
      container.style.background = 'red';
      container.style.zIndex = '99999999';
    }
    self.container = container;
  }

  init() {
    this.current = 0;
    this.max = 0;

    this.progressElement = document.createElement('div');
    this.progressElement.style.width = 0;
    this.progressElement.style.height = '10px';
    this.progressElement.style.background = 'green';

    self.container.appendChild(this.progressElement);
  }

  increment() {
    this.current += 1;
    if(this.current <= this.max)
      this.progressElement.style.width = this.current / this.max * 100 + '%';
  }

  incrementMax() {
    this.max += 1;
    if(this.current <= this.max)
      this.progressElement.style.width = this.current / this.max * 100 + '%';
  }

  destroy() {
    this.progressElement.remove();
  }
}

var progressBar = new ProgressBar();

// add CSS style
var s = document.createElement('style');
s.innerHTML = 'p.download:hover { cursor:pointer }';
document.head.appendChild(s);

// XML to SRT
function xmlToSrt(xmlString, lang) {
  xmlString = xmlString.replace(/<tt:br\/>/gi, '\n');
  try {
    let parser = new DOMParser();
    var xmlDoc = parser.parseFromString(xmlString, 'text/xml');
  }
  catch(e) {
    console.error(e);
    alert('Failed to parse XML subtitle file');
    return null;
  }
  var lines = xmlDoc.querySelectorAll('body p');
  var srtLines = [];

  for(let i=0, l=lines.length; i < l; ++i) {
    let text = lines[i].innerHTML.trim();
    if(text != '') {
      if(lang.indexOf('ar') == 0)
      	text = text.replace(/^(?!\u202B|\u200F)/gm, '\u202B');

      srtLines.push(i+1);
      srtLines.push(lines[i].getAttribute('begin').replace('.',',') + ' --> ' + lines[i].getAttribute('end').replace('.',','));
      srtLines.push(text);
      srtLines.push('');
    }
  }
  return srtLines.join('\n');
}

// download subs and save them
function downloadSubs(url, title, downloadVars, lang) {
  GM.xmlHttpRequest({
  	url: url,
    method: 'get',
    onload: function(resp) {

    progressBar.increment();
    var srt = xmlToSrt(resp.responseText, lang);
    if(downloadVars) {
      downloadVars.zip.file(title, srt);
      --downloadVars.subCounter;
      if((downloadVars.subCounter|downloadVars.infoCounter) === 0)
        downloadVars.zip.generateAsync({type:"blob"})
          .then(function(content) {
            saveAs(content, 'subs.zip');
            progressBar.destroy();
          });
    }
    else {
      var blob = new Blob([srt], {type: 'text/plain;charset=utf-8'});
      saveAs(blob, title, true);
      progressBar.destroy();
    }

    }
  });
}

// download episodes/movie info and start downloading subs
function downloadInfo(url, downloadVars) {
  var req = new XMLHttpRequest();
  req.open('get', url);
  req.withCredentials = true;
  req.onload = function() {
    var info = JSON.parse(req.response);
    try {
    var epInfo = info.catalogMetadata.catalog;
    var ep = epInfo.episodeNumber;
    var title, season;
    if(epInfo.type == 'MOVIE' || ep === 0)
      title = epInfo.title;
    else {
      info.catalogMetadata.family.tvAncestors.forEach(function(tvAncestor) {
        switch(tvAncestor.catalog.type) {
          case 'SEASON':
            season = tvAncestor.catalog.seasonNumber;
            break;
          case 'SHOW':
            title = tvAncestor.catalog.title;
            break;
        }
      });
      title += '.S' + season.toString().padStart(2, '0') + '.E' + ep.toString().padStart(2, '0');
    }
    title = title.replace(/[:*?"<>|\\\/]+/g, '_').replace(/ /g, '.');
    title += '.WEBRip.Amazon.';
    var languages = new Set();
    var subs = info.subtitleUrls || [];
    if(subs.length > 1 && !downloadVars) {
      downloadVars = {
        subCounter: 0,
        infoCounter: 1,
        zip: new JSZip()
      };
    }

    subs.forEach(function(subInfo) {
      let lang = subInfo.languageCode;
      if(languages.has(lang))
        lang += '.' + subInfo.index;
      else
        languages.add(lang);
      if(downloadVars)
        ++downloadVars.subCounter;
      progressBar.incrementMax();
      downloadSubs(subInfo.url, title + lang + '.srt', downloadVars, lang);
    });
    if(downloadVars)
      --downloadVars.infoCounter;
    }
    catch(e) {
      console.log(info);
      alert(e);
    }
  };
  req.send(null);
}

function downloadThis(e) {
  progressBar.init();
  var id = e.target.getAttribute('data-id');
  downloadInfo(gUrl + id);
}
function downloadAll(e) {
  progressBar.init();
  var IDs = e.target.getAttribute('data-id').split(';');
  var downloadVars = {
    subCounter: 0,
    infoCounter: IDs.length,
    zip: new JSZip()
  };
  IDs.forEach(function(id) {
    downloadInfo(gUrl + id, downloadVars);
  });
}

// remove unnecessary parameters from URL
function parseURL(url) {
  var filter = ['consumptionType', 'deviceID', 'deviceTypeID', 'firmware', 'gascEnabled', 'marketplaceID', 'userWatchSessionId', 'videoMaterialType', 'clientId', 'operatingSystemName', 'operatingSystemVersion', 'customerID', 'token'];
  var urlParts = url.split('?');
  var params = ['desiredResources=CatalogMetadata%2CSubtitleUrls'];
  urlParts[1].split('&').forEach(function(param) {
    var p = param.split('=');
    if(filter.indexOf(p[0]) > -1)
      params.push(param);
  });
  params.push('resourceUsage=CacheResources');
  params.push('titleDecorationScheme=primary-content');
  params.push('asin=');
  urlParts[1] = params.join('&');
  return urlParts.join('?');
}

function createDownloadButton(id, type) {
  var p = document.createElement('p');
  p.classList.add('download');
  p.setAttribute('data-id', id);
  p.innerHTML = 'Download subs for this ' + type;
  p.addEventListener('click', (type == 'season' ? downloadAll : downloadThis));
  return p;
}

function findMovieID() {
  for(const templateElement of document.querySelectorAll('script[type="text/template"]')) {
    let data;
    try {
      data = JSON.parse(templateElement.innerHTML);
    }
    catch(ignore) {
      continue;
    }
    if(typeof data.initArgs !== 'undefined' && typeof data.initArgs.titleID !== 'undefined')
      return data.initArgs.titleID;
  }
  throw Error("Couldn't find movie ID");
}

// add download buttons
function init(url) {
  initialied = true;
  gUrl = parseURL(url);
  console.log(gUrl);

  let button;
  let epElems = document.querySelectorAll('.dv-episode-container, .avu-context-card, .js-node-episode-container');
  if(epElems.length > 0) {
    let IDs = [];
    for(let i=epElems.length; i--; ) {
      let selector, id, el;
      if((el = epElems[i].querySelector('input[name="highlight-list-selector"]')) !== null) {
        id = el.id.replace('selector-', '');
        selector = '.js-episode-offers';
      }
      else if((el = epElems[i].querySelector('input[name="ep-list-selector"]')) !== null) {
        id = el.value;
        selector = '.av-episode-meta-info';
      }
      else if(id = epElems[i].getAttribute('data-aliases'))
        selector = '.dv-el-title';
      else
        continue;
      id = id.split(',')[0];
      epElems[i].querySelector(selector).parentNode.appendChild(createDownloadButton(id, 'episode'));
      IDs.push(id);
    }
    button = createDownloadButton(IDs.join(';'), 'season');
  }
  else {
    let pathNames = window.location.pathname.split('/');
    let id;
    let idElement = document.querySelector('[data-title-id]');
    if(idElement !== null)
      id = idElement.getAttribute('data-title-id');
    else {
      try {
        id = findMovieID();
      }
      catch(ignore) {
        if(document.location.host.indexOf('primevideo') > -1)
          id = document.querySelector('input[name="itemId"]').value;
        else
          id = unsafeWindow.ue_pti;
      }
    }
    id = id.split(',')[0];
    button = createDownloadButton(id, 'movie');
  }
  document.querySelector('.dv-node-dp-badges, .av-badges').appendChild(button);
}

var initialied = false, gUrl;
// hijack xhr, we need to find out tokens and other parameters needed for subtitle info
xhrHijacker(function(xhr, id, origin, args) {
  if(!initialied && origin === 'open')
    if(args[1].indexOf('/GetPlaybackResources') > -1)
      init(args[1])
});