'use strict'; import cheerio = require('cheerio'); import fs = require('fs'); import mkdirp = require('mkdirp'); import my_request = require('./my_request'); import path = require('path'); import subtitle from './subtitle/index'; import video from './video/index'; import xml2js = require('xml2js'); import log = require('./log'); /** * Streams the episode to disk. */ export default function(config: IConfig, address: string, done: (err: Error, ign: boolean) => void) { scrapePage(config, address, (err, page) => { if (err) { return done(err, false); } scrapePlayer(config, address, page.id, (errS, player) => { if (errS) { return done(errS, false); } download(config, page, player, done); }); }); } /** * Completes a download and writes the message with an elapsed time. */ function complete(epName: string, message: string, begin: number, done: (err: Error, ign: boolean) => void) { const timeInMs = Date.now() - begin; const seconds = prefix(Math.floor(timeInMs / 1000) % 60, 2); const minutes = prefix(Math.floor(timeInMs / 1000 / 60) % 60, 2); const hours = prefix(Math.floor(timeInMs / 1000 / 60 / 60), 2); log.dispEpisode(epName, message + ' (' + hours + ':' + minutes + ':' + seconds + ')', true); done(null, false); } /** * Check if a file exist.. */ function fileExist(path: string) { try { fs.statSync(path); return true; } catch (e) { return false; } } function sanitiseFileName(str: string) { const sanitized = str.replace(/[\/':\?\*"<>\\\.\|]/g, '_'); return sanitized.replace(/{DIR_SEPARATOR}/g, '/'); } /** * Downloads the subtitle and video. */ function download(config: IConfig, page: IEpisodePage, player: IEpisodePlayer, done: (err: Error | string, ign: boolean) => void) { const serieFolder = sanitiseFileName(config.series || page.series); let fileName = sanitiseFileName(generateName(config, page)); let filePath = path.join(config.output || process.cwd(), serieFolder, fileName); if (fileExist(filePath + '.mkv')) { let count = 0; if (config.rebuildcrp) { log.warn('Adding \'' + fileName + '\' to the DB...'); return done(null, false); } log.warn('File \'' + fileName + '\' already exist...'); do { count = count + 1; fileName = sanitiseFileName(generateName(config, page, '-' + count)); filePath = path.join(config.output || process.cwd(), serieFolder, fileName); } while (fileExist(filePath + '.mkv')); log.warn('Renaming to \'' + fileName + '\'...'); page.filename = fileName; } if (config.rebuildcrp) { log.warn('Ignoring \'' + fileName + '\' as it does not exist...'); return done(null, true); } const ret = mkdirp(path.dirname(filePath)); if (ret) { log.dispEpisode(fileName, 'Fetching...', false); downloadSubtitle(config, player, filePath, (errDS) => { if (errDS) { log.dispEpisode(fileName, 'Error...', true); return done(errDS, false); } const now = Date.now(); if (player.video.file !== undefined) { log.dispEpisode(fileName, 'Fetching video...', false); downloadVideo(config, page, player, filePath, (errDV) => { if (errDV) { log.dispEpisode(fileName, 'Error...', true); return done(errDV, false); } if (config.merge) { return complete(fileName, 'Finished!', now, done); } const isSubtited = Boolean(player.subtitle); log.dispEpisode(fileName, 'Merging...', false); video.merge(config, isSubtited, player.video.file, filePath, player.video.mode, config.verbose, (errVM) => { if (errVM) { log.dispEpisode(fileName, 'Error...', true); return done(errVM, false); } complete(fileName, 'Finished!', now, done); }); }); } else { log.dispEpisode(fileName, 'Ignoring: not released yet', true); done(null, true); } }); } else { log.dispEpisode(fileName, 'Error creating folder \'" + filePath + "\'...', true); return done('Cannot create folder', false); } } /** * Saves the subtitles to disk. */ function downloadSubtitle(config: IConfig, player: IEpisodePlayer, filePath: string, done: (err?: Error | string) => void) { const enc = player.subtitle; if (!enc) { return done(); } subtitle.decode(enc.id, enc.iv, enc.data, (errSD, data) => { if (errSD) { return done(errSD); } if (config.debug) { log.dumpToDebug('SubtitlesXML', data); } const formats = subtitle.formats; const format = formats[config.format] ? config.format : 'ass'; formats[format](config, data, (errF: Error, decodedSubtitle: string) => { if (errF) { return done(errF); } fs.writeFile(filePath + '.' + format, '\ufeff' + decodedSubtitle, done); }); }); } /** * Streams the video to disk. */ function downloadVideo(config: IConfig, page: IEpisodePage, player: IEpisodePlayer, filePath: string, done: (err: Error) => void) { video.stream(player.video.host, player.video.file, page.swf, filePath, path.extname(player.video.file), player.video.mode, config.verbose, done); } /** * Names the file based on the config, page, series and tag. */ function generateName(config: IConfig, page: IEpisodePage, extra = '') { const episodeNum = parseInt(page.episode, 10); const volumeNum = parseInt(page.volume, 10); const episode = (episodeNum < 10 ? '0' : '') + page.episode; const volume = (volumeNum < 10 ? '0' : '') + page.volume; const tag = config.tag || 'CrunchyRoll'; const series = config.series || page.series; return config.nametmpl .replace(/{EPISODE_ID}/g, page.id.toString()) .replace(/{EPISODE_NUMBER}/g, episode) .replace(/{SEASON_NUMBER}/g, volume) .replace(/{VOLUME_NUMBER}/g, volume) .replace(/{SEASON_TITLE}/g, page.season) .replace(/{VOLUME_TITLE}/g, page.season) .replace(/{SERIES_TITLE}/g, series) .replace(/{EPISODE_TITLE}/g, page.title) .replace(/{TAG}/g, tag) + extra; } /** * Prefixes a value. */ function prefix(value: number|string, length: number) { let valueString = (typeof value !== 'string') ? String(value) : value; while (valueString.length < length) { valueString = '0' + valueString; } return valueString; } /** * Requests the page data and scrapes the id, episode, series and swf. */ function scrapePage(config: IConfig, address: string, done: (err: Error, page?: IEpisodePage) => void) { const epId = parseInt((address.match(/[0-9]+$/) || ['0'])[0], 10); if (!epId) { return done(new Error('Invalid address.')); } my_request.get(config, address, (err, result) => { if (err) { return done(err); } const $ = cheerio.load(result); const swf = /^([^?]+)/.exec($('link[rel=video_src]').attr('href')); const regexp = /\s*([^\n\r\t\f]+)\n?\s*[^0-9]*([0-9][\-0-9.]*)?,?\n?\s\s*[^0-9]*((PV )?[S0-9][P0-9.]*[a-fA-F]?)/; const look = $('#showmedia_about_media').text(); const seasonTitle = $('span[itemprop="title"]').text(); const episodeTitle = $('#showmedia_about_name').text().replace(/[“”]/g, ''); const data = regexp.exec(look); if (config.debug) { log.dumpToDebug('episode page', $.html()); } if (!swf || !data) { log.warn('Somethig unexpected in the page at ' + address + ' (data are: ' + look + ')'); log.warn('Setting Season to ’0’ and episode to ’0’...'); if (config.debug) { log.dumpToDebug('episode unexpected', look); } done(null, { episode: '0', id: epId, series: seasonTitle, season: seasonTitle, title: episodeTitle, swf: swf[1], volume: '0', filename: '', }); } else { done(null, { episode: data[3], id: epId, series: data[1], season: seasonTitle, title: episodeTitle, swf: swf[1], volume: data[2] || '1', filename: '', }); } }); } /** * Requests the player data and scrapes the subtitle and video data. */ function scrapePlayer(config: IConfig, address: string, id: number, done: (err: Error, player?: IEpisodePlayer) => void) { const url = address.match(/^(https?:\/\/[^\/]+)/); if (!url) { return done(new Error('Invalid address.')); } const postForm = { current_page: address, video_format: config.video_format, video_quality: config.video_quality, media_id: id }; my_request.post(config, url[1] + '/xml/?req=RpcApiVideoPlayer_GetStandardConfig&media_id=' + id, postForm, (err, result) => { if (err) { return done(err); } xml2js.parseString(result, { explicitArray: false, explicitRoot: false, }, (errPS: Error, player: IEpisodePlayerConfig) => { if (errPS) { return done(errPS); } try { const isSubtitled = Boolean(player['default:preload'].subtitle); let streamMode = 'RTMP'; if (player['default:preload'].stream_info.host === '') { streamMode = 'HLS'; } done(null, { subtitle: isSubtitled ? { data: player['default:preload'].subtitle.data, id: parseInt(player['default:preload'].subtitle.$.id, 10), iv: player['default:preload'].subtitle.iv, } : null, video: { file: player['default:preload'].stream_info.file, host: player['default:preload'].stream_info.host, mode: streamMode, }, }); } catch (parseError) { if (config.debug) { log.dumpToDebug('player scrape', parseError); } done(parseError); } }); }); }