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Rai Play video download

This script allows you to download videos on Rai Play

目前为 2021-11-24 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name            Rai Play video download
  3. // @namespace       http://andrealazzarotto.com
  4. // @version         11.1.4
  5. // @description     This script allows you to download videos on Rai Play
  6. // @description:it  Questo script ti permette di scaricare i video su Rai Play
  7. // @author          Andrea Lazzarotto
  8. // @match           https://www.raiplay.it/*
  9. // @require         https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js
  10. // @require         https://cdnjs.cloudflare.com/ajax/libs/foundation-essential/6.2.2/js/foundation.min.js
  11. // @require         https://cdnjs.cloudflare.com/ajax/libs/arrive/2.4.1/arrive.min.js
  12. // @require         https://unpkg.com/@ungap/from-entries@0.1.2/min.js
  13. // @grant           GM_xmlhttpRequest
  14. // @grant           GM.xmlHttpRequest
  15. // @connect         rai.it
  16. // @connect         akamaized.net
  17. // @connect         akamaihd.net
  18. // @connect         msvdn.net
  19. // @license         GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
  20. // ==/UserScript==
  21.  
  22. var instance;
  23.  
  24. /* Greasemonkey 4 wrapper */
  25. if (typeof GM !== "undefined" && !!GM.xmlHttpRequest) {
  26.     GM_xmlhttpRequest = GM.xmlHttpRequest;
  27. }
  28.  
  29. function fetch(params) {
  30.     return new Promise(function(resolve, reject) {
  31.         params.onload = resolve;
  32.         params.onerror = reject;
  33.         GM_xmlhttpRequest(params);
  34.     });
  35. }
  36.  
  37. (function() {
  38.     'use strict';
  39.  
  40.     var Foundation = window.Foundation;
  41.     var download_icon = '<svg viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg"><path d="M42 40v4H6v-4h36zM20 24v-8h8v8h7L24 37 13 24h7zm8-14v4h-8v-4h8zm0-6v4h-8V4h8z" /></svg>';
  42.  
  43.     var showModal = (title, content) => {
  44.         if (instance) {
  45.             instance.close();
  46.         }
  47.         var modal = $(`
  48.             <div id="video-download-modal" class="small reveal" data-reveal aria-labelledby="Download video">
  49.                 <h2 id="modal-title">${title}</h2>
  50.                 <div id="modal-content"></div>
  51.                 <button class="close-button" data-close aria-label="Chiudi finestrella" type="button">
  52.                     <span aria-hidden="true">&times;</span>
  53.                 </button>
  54.             </div>
  55.         `);
  56.         modal.css({
  57.             'background-color': '#001623',
  58.         });
  59.         modal.find('#modal-content').append(content);
  60.         instance = new Foundation.Reveal(modal);
  61.         instance.open();
  62.         modal.find('.close-button').css({
  63.             'color': 'white',
  64.         }).click(() => instance.close());
  65.         // Prevent fullscreen issues
  66.         $(".vjs-fullscreen-control:contains('Exit')").click();
  67.     };
  68.  
  69.     var checkQuality = (url, rate) => {
  70.         return fetch({
  71.             method: 'GET',
  72.             url: url,
  73.             headers: {
  74.                 'User-Agent': 'raiweb',
  75.                 'Range': 'bytes=0-255',
  76.             },
  77.         }).then(
  78.             (response) => {
  79.                 let headers = fromEntries(response.responseHeaders.split("\n").map(element => element.trim().toLowerCase().split(":")));
  80.                 let range = headers['content-range'] || '/0';
  81.                 let size = +(range.split('/').slice(1,)[0] || 0);
  82.                 let megabytes = Math.round(size / 1024 / 1024);
  83.                 if (size > 102400) {
  84.                     return { quality: rate, url: url, megabytes: megabytes };
  85.                 } else {
  86.                     return null;
  87.                 }
  88.             },
  89.             () => null
  90.         );
  91.     }
  92.  
  93.     var qualities = async (url) => {
  94.         let bases = [];
  95.         let rates = [5000, 3200, 2401, 2400, 1800, 1500, 1200, 800, 600, 400];
  96.         if (url.indexOf('.m3u8') > 0) {
  97.             let parts = url.replace(/\?.*/, '').split(',');
  98.             // Verify all the rates
  99.             const new_rates = parts.slice(1).map(value => value.replace(/\/.*/, '')).reverse().filter(value => !isNaN(value));
  100.             // Handle single rate case
  101.             if (new_rates.length) {
  102.                 rates = new_rates;
  103.             } else {
  104.                 let rate = url.split('.mp4')[0].split('_').slice(-1)[0];
  105.                 rates = [rate];
  106.             }
  107.             const path = parts[0];
  108.             let servers = [
  109.                 'creativemedia1.rai.it',
  110.                 'creativemedia2.rai.it',
  111.                 'creativemedia3.rai.it',
  112.                 'creativemedia4.rai.it',
  113.                 'creativemedia6-rai-it.akamaized.net',
  114.                 'creativemedia7-rai-it.akamaized.net',
  115.                 'download2.rai.it',
  116.                 'download2-geo.rai.it',
  117.                 'creativemediax1.rai.it',
  118.                 'creativemediax2.rai.it',
  119.             ];
  120.             let file_path;
  121.             if (path.indexOf('akamaized.net') > 0 || path.indexOf('akamaihd.net') > 0) {
  122.                 const path_parts = path.split('.net/');
  123.                 file_path = '/' + path_parts[1];
  124.             } else {
  125.                 const path_parts = path.split('msvdn.net/');
  126.                 const first = path_parts[1].replace(/^[^0-9]+/, '');
  127.                 file_path = first.slice(1);
  128.             }
  129.             // Fix the "/i/" prefix
  130.             if (file_path.slice(0, 3) === '/i/') {
  131.                 file_path = file_path.replace('/i/', '/');
  132.             }
  133.             file_path = file_path.replace(/_[1-9]+0?00\.mp4.*/, '_');
  134.             bases = servers.map(server => {
  135.                 return `http://${server}${file_path}${rates[0]}.mp4`;
  136.             });
  137.             console.log(bases);
  138.         } else {
  139.             bases.push(url);
  140.  
  141.             var ending = url.match(/_[1-9]+0?00\.mp4/);
  142.             if (!ending || !ending.length) {
  143.                 let result = await checkQuality(url, '');
  144.                 return [result].filter(value => (value !== null));
  145.             }
  146.         }
  147.  
  148.         let promises = [];
  149.         bases.forEach(url => {
  150.             var promise = Promise.all(rates.map(rate => {
  151.                 var quality_url = url.replace(/_[1-9]+0?00\.mp4/, `_${rate}.mp4`);
  152.                 return checkQuality(quality_url, rate);
  153.             }));
  154.             promises.push(promise);
  155.         });
  156.         const groups = await Promise.all(promises);
  157.         for (let i = 0; i < groups.length; i++) {
  158.             const filtered = groups[i].filter(value => (value !== null));
  159.             if (filtered.length) {
  160.                 return filtered;
  161.             }
  162.         }
  163.  
  164.         return [];
  165.     };
  166.  
  167.     var DRMError = () => {
  168.         showModal('Niente da fare...', "<p>Non è stato possibile trovare un link del video in formato MP4. Il video sembra essere protetto da DRM.</p>");
  169.     };
  170.  
  171.     var getVideo = () => {
  172.         showModal('Attendere', '<p>Sto elaborando...</p>');
  173.  
  174.         var path = location.href.replace(/\.html(\?.*)?$/, '.json');
  175.         $.getJSON(path).then((data) => {
  176.             var secure = data.video.content_url.replace('http://', 'https://');
  177.             return fetch({
  178.                 method: 'HEAD',
  179.                 url: secure,
  180.                 headers: {
  181.                     'User-Agent': 'raiweb',
  182.                 },
  183.             }).then(
  184.                 (response) => {
  185.                     let final = response.finalUrl;
  186.                     let valid = (final.indexOf('mp4') > 0 || final.indexOf('.m3u8') > 0) && final.indexOf('DRM_') < 0;
  187.                     if (!valid) {
  188.                         DRMError();
  189.                     } else {
  190.                         qualities(response.finalUrl).then(results => {
  191.                             if (!results.length) {
  192.                                 showModal('Errore sconosciuto', "<p>Non è stato possibile trovare un link del video in formato MP4.</p>");
  193.                                 return;
  194.                             }
  195.  
  196.                             var buttons = '';
  197.                             results.forEach(video => {
  198.                                 buttons += `<a href="${video.url}" class="button" target="_blank">MP4 ${video.quality} (${video.megabytes} MB)</a>`;
  199.                             });
  200.  
  201.                             showModal('Link diretti', `
  202.                                 <p>Clicca su una opzione per aprire il video in formato MP4. Usa il tasto destro del mouse per salvarlo, oppure copiare il link.</p>
  203.                                 <p><strong>Per evitare interruzioni è raccomandato l'uso di un download manager.</strong></p>
  204.                                 <p>${buttons}</p>`);
  205.                         });
  206.                     }
  207.                 },
  208.                 (response) => {
  209.                     var drm = response.finalUrl.indexOf('DRM_') > 0 || response.status === 0;
  210.                     if (drm) {
  211.                         DRMError();
  212.                     } else {
  213.                         showModal('Errore di rete', "<p>Si è verificato un errore di rete. Riprova più tardi.</p>");
  214.                     }
  215.                 }
  216.             );
  217.         });
  218.     };
  219.  
  220.     var downloadButton = () => {
  221.         if ($('#video-download-button').length) {
  222.             return;
  223.         }
  224.  
  225.         $('rai-player .vjs-custom-control-spacer').after(`
  226.             <button id="video-download-button" class="vjs-control vjs-button" aria-disabled="false">
  227.                 <span aria-hidden="true" class="vjs-icon-placeholder">${download_icon}</span>
  228.                 <span class="vjs-control-text" aria-live="polite">Download</span>
  229.             </button>
  230.         `);
  231.         $('#video-download-button').css({
  232.             'order': 110,
  233.         }).click(getVideo).find('svg').css({
  234.             'fill': '#039cf9',
  235.             'height': '1.5em',
  236.         });
  237.     };
  238.  
  239.     $(document).arrive('rai-player .vjs-custom-control-spacer', () => {
  240.         downloadButton();
  241.     });
  242.  
  243.     var isAnon = function() {
  244.         return !!$('#accountPanelLoginPanel').is(':visible');
  245.     };
  246.  
  247.     $(document).ready(() => {
  248.         if (location.pathname.startsWith('/video')) {
  249.             $('rai-sharing').after(`
  250.                 <a id="inline-download-button" class="cell small-4 medium-shrink highlight__share" aria-label="Download">
  251.                     <div class="leaf__share__button button button--light-ghost button--circle float-center">${download_icon}</div>
  252.                     <span class="button-label">Download</span>
  253.                 </a>
  254.             `);
  255.             $('#inline-download-button').click(getVideo);
  256.         }
  257.  
  258.         $('body').on('touchstart mousedown', 'a.card-item__link', (event) => {
  259.             if (isAnon() && event.which !== 3) {
  260.                 location.href = $(event.currentTarget).attr('href');
  261.             }
  262.         });
  263.  
  264.         $('body').on('touchstart mousedown', 'button[data-video-json]', (event) => {
  265.             if (isAnon() && event.which !== 3) {
  266.                 location.href = $(event.currentTarget).data('video-json').replace(/\.json/, '.html');
  267.             }
  268.         });
  269.     });
  270. })();