366 lines
13 KiB
JavaScript
366 lines
13 KiB
JavaScript
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const utils = require('./utils');
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const qs = require('querystring');
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const { parseTimestamp } = require('m3u8stream');
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const BASE_URL = 'https://www.youtube.com/watch?v=';
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const TITLE_TO_CATEGORY = {
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song: { name: 'Music', url: 'https://music.youtube.com/' },
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};
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const getText = obj => obj ? obj.runs ? obj.runs[0].text : obj.simpleText : null;
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/**
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* Get video media.
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*
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* @param {Object} info
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* @returns {Object}
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*/
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exports.getMedia = info => {
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let media = {};
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let results = [];
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try {
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results = info.response.contents.twoColumnWatchNextResults.results.results.contents;
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} catch (err) {
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// Do nothing
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}
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let result = results.find(v => v.videoSecondaryInfoRenderer);
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if (!result) { return {}; }
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try {
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let metadataRows =
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(result.metadataRowContainer || result.videoSecondaryInfoRenderer.metadataRowContainer)
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.metadataRowContainerRenderer.rows;
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for (let row of metadataRows) {
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if (row.metadataRowRenderer) {
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let title = getText(row.metadataRowRenderer.title).toLowerCase();
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let contents = row.metadataRowRenderer.contents[0];
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media[title] = getText(contents);
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let runs = contents.runs;
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if (runs && runs[0].navigationEndpoint) {
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media[`${title}_url`] = new URL(
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runs[0].navigationEndpoint.commandMetadata.webCommandMetadata.url, BASE_URL).toString();
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}
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if (title in TITLE_TO_CATEGORY) {
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media.category = TITLE_TO_CATEGORY[title].name;
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media.category_url = TITLE_TO_CATEGORY[title].url;
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}
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} else if (row.richMetadataRowRenderer) {
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let contents = row.richMetadataRowRenderer.contents;
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let boxArt = contents
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.filter(meta => meta.richMetadataRenderer.style === 'RICH_METADATA_RENDERER_STYLE_BOX_ART');
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for (let { richMetadataRenderer } of boxArt) {
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let meta = richMetadataRenderer;
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media.year = getText(meta.subtitle);
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let type = getText(meta.callToAction).split(' ')[1];
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media[type] = getText(meta.title);
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media[`${type}_url`] = new URL(
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meta.endpoint.commandMetadata.webCommandMetadata.url, BASE_URL).toString();
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media.thumbnails = meta.thumbnail.thumbnails;
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}
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let topic = contents
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.filter(meta => meta.richMetadataRenderer.style === 'RICH_METADATA_RENDERER_STYLE_TOPIC');
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for (let { richMetadataRenderer } of topic) {
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let meta = richMetadataRenderer;
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media.category = getText(meta.title);
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media.category_url = new URL(
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meta.endpoint.commandMetadata.webCommandMetadata.url, BASE_URL).toString();
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}
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}
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}
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} catch (err) {
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// Do nothing.
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}
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return media;
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};
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const isVerified = badges => !!(badges && badges.find(b => b.metadataBadgeRenderer.tooltip === 'Verified'));
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/**
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* Get video author.
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*
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* @param {Object} info
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* @returns {Object}
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*/
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exports.getAuthor = info => {
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let channelId, thumbnails = [], subscriberCount, verified = false;
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try {
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let results = info.response.contents.twoColumnWatchNextResults.results.results.contents;
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let v = results.find(v2 =>
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v2.videoSecondaryInfoRenderer &&
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v2.videoSecondaryInfoRenderer.owner &&
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v2.videoSecondaryInfoRenderer.owner.videoOwnerRenderer);
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let videoOwnerRenderer = v.videoSecondaryInfoRenderer.owner.videoOwnerRenderer;
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channelId = videoOwnerRenderer.navigationEndpoint.browseEndpoint.browseId;
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thumbnails = videoOwnerRenderer.thumbnail.thumbnails.map(thumbnail => {
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thumbnail.url = new URL(thumbnail.url, BASE_URL).toString();
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return thumbnail;
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});
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subscriberCount = utils.parseAbbreviatedNumber(getText(videoOwnerRenderer.subscriberCountText));
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verified = isVerified(videoOwnerRenderer.badges);
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} catch (err) {
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// Do nothing.
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}
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try {
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let videoDetails = info.player_response.microformat && info.player_response.microformat.playerMicroformatRenderer;
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let id = (videoDetails && videoDetails.channelId) || channelId || info.player_response.videoDetails.channelId;
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let author = {
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id: id,
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name: videoDetails ? videoDetails.ownerChannelName : info.player_response.videoDetails.author,
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user: videoDetails ? videoDetails.ownerProfileUrl.split('/').slice(-1)[0] : null,
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channel_url: `https://www.youtube.com/channel/${id}`,
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external_channel_url: videoDetails ? `https://www.youtube.com/channel/${videoDetails.externalChannelId}` : '',
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user_url: videoDetails ? new URL(videoDetails.ownerProfileUrl, BASE_URL).toString() : '',
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thumbnails,
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verified,
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subscriber_count: subscriberCount,
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};
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if (thumbnails.length) {
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utils.deprecate(author, 'avatar', author.thumbnails[0].url, 'author.avatar', 'author.thumbnails[0].url');
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}
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return author;
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} catch (err) {
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return {};
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}
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};
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const parseRelatedVideo = (details, rvsParams) => {
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if (!details) return;
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try {
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let viewCount = getText(details.viewCountText);
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let shortViewCount = getText(details.shortViewCountText);
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let rvsDetails = rvsParams.find(elem => elem.id === details.videoId);
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if (!/^\d/.test(shortViewCount)) {
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shortViewCount = (rvsDetails && rvsDetails.short_view_count_text) || '';
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}
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viewCount = (/^\d/.test(viewCount) ? viewCount : shortViewCount).split(' ')[0];
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let browseEndpoint = details.shortBylineText.runs[0].navigationEndpoint.browseEndpoint;
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let channelId = browseEndpoint.browseId;
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let name = getText(details.shortBylineText);
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let user = (browseEndpoint.canonicalBaseUrl || '').split('/').slice(-1)[0];
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let video = {
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id: details.videoId,
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title: getText(details.title),
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published: getText(details.publishedTimeText),
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author: {
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id: channelId,
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name,
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user,
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channel_url: `https://www.youtube.com/channel/${channelId}`,
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user_url: `https://www.youtube.com/user/${user}`,
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thumbnails: details.channelThumbnail.thumbnails.map(thumbnail => {
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thumbnail.url = new URL(thumbnail.url, BASE_URL).toString();
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return thumbnail;
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}),
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verified: isVerified(details.ownerBadges),
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[Symbol.toPrimitive]() {
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console.warn(`\`relatedVideo.author\` will be removed in a near future release, ` +
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`use \`relatedVideo.author.name\` instead.`);
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return video.author.name;
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},
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},
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short_view_count_text: shortViewCount.split(' ')[0],
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view_count: viewCount.replace(/,/g, ''),
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length_seconds: details.lengthText ?
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Math.floor(parseTimestamp(getText(details.lengthText)) / 1000) :
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rvsParams && `${rvsParams.length_seconds}`,
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thumbnails: details.thumbnail.thumbnails,
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richThumbnails:
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details.richThumbnail ?
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details.richThumbnail.movingThumbnailRenderer.movingThumbnailDetails.thumbnails : [],
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isLive: !!(details.badges && details.badges.find(b => b.metadataBadgeRenderer.label === 'LIVE NOW')),
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};
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utils.deprecate(video, 'author_thumbnail', video.author.thumbnails[0].url,
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'relatedVideo.author_thumbnail', 'relatedVideo.author.thumbnails[0].url');
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utils.deprecate(video, 'ucid', video.author.id, 'relatedVideo.ucid', 'relatedVideo.author.id');
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utils.deprecate(video, 'video_thumbnail', video.thumbnails[0].url,
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'relatedVideo.video_thumbnail', 'relatedVideo.thumbnails[0].url');
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return video;
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} catch (err) {
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// Skip.
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}
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};
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/**
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* Get related videos.
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*
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* @param {Object} info
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* @returns {Array.<Object>}
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*/
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exports.getRelatedVideos = info => {
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let rvsParams = [], secondaryResults = [];
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try {
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rvsParams = info.response.webWatchNextResponseExtensionData.relatedVideoArgs.split(',').map(e => qs.parse(e));
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} catch (err) {
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// Do nothing.
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}
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try {
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secondaryResults = info.response.contents.twoColumnWatchNextResults.secondaryResults.secondaryResults.results;
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} catch (err) {
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return [];
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}
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let videos = [];
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for (let result of secondaryResults || []) {
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let details = result.compactVideoRenderer;
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if (details) {
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let video = parseRelatedVideo(details, rvsParams);
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if (video) videos.push(video);
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} else {
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let autoplay = result.compactAutoplayRenderer || result.itemSectionRenderer;
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if (!autoplay || !Array.isArray(autoplay.contents)) continue;
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for (let content of autoplay.contents) {
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let video = parseRelatedVideo(content.compactVideoRenderer, rvsParams);
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if (video) videos.push(video);
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}
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}
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}
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return videos;
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};
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/**
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* Get like count.
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*
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* @param {Object} info
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* @returns {number}
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*/
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exports.getLikes = info => {
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try {
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let contents = info.response.contents.twoColumnWatchNextResults.results.results.contents;
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let video = contents.find(r => r.videoPrimaryInfoRenderer);
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let buttons = video.videoPrimaryInfoRenderer.videoActions.menuRenderer.topLevelButtons;
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let like = buttons.find(b => b.toggleButtonRenderer &&
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b.toggleButtonRenderer.defaultIcon.iconType === 'LIKE');
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return parseInt(like.toggleButtonRenderer.defaultText.accessibility.accessibilityData.label.replace(/\D+/g, ''));
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} catch (err) {
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return null;
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}
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};
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/**
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* Get dislike count.
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*
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* @param {Object} info
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* @returns {number}
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*/
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exports.getDislikes = info => {
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try {
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let contents = info.response.contents.twoColumnWatchNextResults.results.results.contents;
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let video = contents.find(r => r.videoPrimaryInfoRenderer);
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let buttons = video.videoPrimaryInfoRenderer.videoActions.menuRenderer.topLevelButtons;
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let dislike = buttons.find(b => b.toggleButtonRenderer &&
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b.toggleButtonRenderer.defaultIcon.iconType === 'DISLIKE');
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return parseInt(dislike.toggleButtonRenderer.defaultText.accessibility.accessibilityData.label.replace(/\D+/g, ''));
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} catch (err) {
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return null;
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}
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};
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/**
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* Cleans up a few fields on `videoDetails`.
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*
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* @param {Object} videoDetails
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* @param {Object} info
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* @returns {Object}
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*/
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exports.cleanVideoDetails = (videoDetails, info) => {
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videoDetails.thumbnails = videoDetails.thumbnail.thumbnails;
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delete videoDetails.thumbnail;
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utils.deprecate(videoDetails, 'thumbnail', { thumbnails: videoDetails.thumbnails },
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'videoDetails.thumbnail.thumbnails', 'videoDetails.thumbnails');
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videoDetails.description = videoDetails.shortDescription || getText(videoDetails.description);
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delete videoDetails.shortDescription;
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utils.deprecate(videoDetails, 'shortDescription', videoDetails.description,
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'videoDetails.shortDescription', 'videoDetails.description');
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// Use more reliable `lengthSeconds` from `playerMicroformatRenderer`.
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videoDetails.lengthSeconds =
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(info.player_response.microformat &&
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info.player_response.microformat.playerMicroformatRenderer.lengthSeconds) ||
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info.player_response.videoDetails.lengthSeconds;
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return videoDetails;
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};
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/**
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* Get storyboards info.
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*
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* @param {Object} info
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* @returns {Array.<Object>}
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*/
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exports.getStoryboards = info => {
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const parts = info.player_response.storyboards &&
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info.player_response.storyboards.playerStoryboardSpecRenderer &&
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info.player_response.storyboards.playerStoryboardSpecRenderer.spec &&
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info.player_response.storyboards.playerStoryboardSpecRenderer.spec.split('|');
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if (!parts) return [];
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const url = new URL(parts.shift());
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return parts.map((part, i) => {
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let [
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thumbnailWidth,
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thumbnailHeight,
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thumbnailCount,
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columns,
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rows,
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interval,
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nameReplacement,
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sigh,
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] = part.split('#');
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url.searchParams.set('sigh', sigh);
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thumbnailCount = parseInt(thumbnailCount, 10);
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columns = parseInt(columns, 10);
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rows = parseInt(rows, 10);
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const storyboardCount = Math.ceil(thumbnailCount / (columns * rows));
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return {
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templateUrl: url.toString().replace('$L', i).replace('$N', nameReplacement),
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thumbnailWidth: parseInt(thumbnailWidth, 10),
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thumbnailHeight: parseInt(thumbnailHeight, 10),
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thumbnailCount,
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interval: parseInt(interval, 10),
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columns,
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rows,
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storyboardCount,
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};
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});
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};
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/**
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* Get chapters info.
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*
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* @param {Object} info
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* @returns {Array.<Object>}
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*/
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exports.getChapters = info => {
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const playerOverlayRenderer = info.response &&
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info.response.playerOverlays &&
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info.response.playerOverlays.playerOverlayRenderer;
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const playerBar = playerOverlayRenderer &&
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playerOverlayRenderer.decoratedPlayerBarRenderer &&
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playerOverlayRenderer.decoratedPlayerBarRenderer.decoratedPlayerBarRenderer &&
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playerOverlayRenderer.decoratedPlayerBarRenderer.decoratedPlayerBarRenderer.playerBar;
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const markersMap = playerBar &&
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playerBar.multiMarkersPlayerBarRenderer &&
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playerBar.multiMarkersPlayerBarRenderer.markersMap;
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const marker = Array.isArray(markersMap) && markersMap.find(m => m.value && Array.isArray(m.value.chapters));
|
||
|
|
if (!marker) return [];
|
||
|
|
const chapters = marker.value.chapters;
|
||
|
|
|
||
|
|
return chapters.map(chapter => ({
|
||
|
|
title: getText(chapter.chapterRenderer.title),
|
||
|
|
start_time: chapter.chapterRenderer.timeRangeStartMillis / 1000,
|
||
|
|
}));
|
||
|
|
};
|