episode.ts 9.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372
  1. 'use strict';
  2. import cheerio = require('cheerio');
  3. import fs = require('fs');
  4. import mkdirp = require('mkdirp');
  5. import my_request = require('./my_request');
  6. import path = require('path');
  7. import subtitle from './subtitle/index';
  8. import video from './video/index';
  9. import xml2js = require('xml2js');
  10. import log = require('./log');
  11. /**
  12. * Streams the episode to disk.
  13. */
  14. export default function(config: IConfig, address: string, done: (err: Error, ign: boolean) => void)
  15. {
  16. scrapePage(config, address, (err, page) =>
  17. {
  18. if (err)
  19. {
  20. return done(err, false);
  21. }
  22. scrapePlayer(config, address, page.id, (errS, player) =>
  23. {
  24. if (errS)
  25. {
  26. return done(errS, false);
  27. }
  28. download(config, page, player, done);
  29. });
  30. });
  31. }
  32. /**
  33. * Completes a download and writes the message with an elapsed time.
  34. */
  35. function complete(epName: string, message: string, begin: number, done: (err: Error, ign: boolean) => void)
  36. {
  37. const timeInMs = Date.now() - begin;
  38. const seconds = prefix(Math.floor(timeInMs / 1000) % 60, 2);
  39. const minutes = prefix(Math.floor(timeInMs / 1000 / 60) % 60, 2);
  40. const hours = prefix(Math.floor(timeInMs / 1000 / 60 / 60), 2);
  41. log.dispEpisode(epName, message + ' (' + hours + ':' + minutes + ':' + seconds + ')', true);
  42. done(null, false);
  43. }
  44. /**
  45. * Check if a file exist..
  46. */
  47. function fileExist(path: string)
  48. {
  49. try
  50. {
  51. fs.statSync(path);
  52. return true;
  53. }
  54. catch (e)
  55. {
  56. return false;
  57. }
  58. }
  59. function sanitiseFileName(str: string)
  60. {
  61. return str.replace(/[\/':\?\*"<>\.]/g, '_');
  62. }
  63. /**
  64. * Downloads the subtitle and video.
  65. */
  66. function download(config: IConfig, page: IEpisodePage, player: IEpisodePlayer, done: (err: Error, ign: boolean) => void)
  67. {
  68. let series = config.series || page.series;
  69. series = sanitiseFileName(series);
  70. let fileName = sanitiseFileName(name(config, page, series, ''));
  71. let filePath = path.join(config.output || process.cwd(), series, fileName);
  72. if (fileExist(filePath + '.mkv'))
  73. {
  74. let count = 0;
  75. if (config.rebuildcrp)
  76. {
  77. log.warn('Adding \'' + fileName + '\' to the DB...');
  78. return done(null, false);
  79. }
  80. log.warn('File \'' + fileName + '\' already exist...');
  81. do
  82. {
  83. count = count + 1;
  84. fileName = sanitiseFileName(name(config, page, series, '-' + count));
  85. filePath = path.join(config.output || process.cwd(), series, fileName);
  86. } while (fileExist(filePath + '.mkv'));
  87. log.warn('Renaming to \'' + fileName + '\'...');
  88. }
  89. if (config.rebuildcrp)
  90. {
  91. log.warn('Ignoring \'' + fileName + '\' as it does not exist...');
  92. return done(null, true);
  93. }
  94. mkdirp(path.dirname(filePath), (errM: Error) =>
  95. {
  96. if (errM)
  97. {
  98. return done(errM, false);
  99. }
  100. log.dispEpisode(fileName, 'Fetching...', false);
  101. downloadSubtitle(config, player, filePath, (errDS) =>
  102. {
  103. if (errDS)
  104. {
  105. return done(errDS, false);
  106. }
  107. const now = Date.now();
  108. if (player.video.file !== undefined)
  109. {
  110. log.dispEpisode(fileName, 'Fetching video...', false);
  111. downloadVideo(config, page, player, filePath, (errDV) =>
  112. {
  113. if (errDV)
  114. {
  115. return done(errDV, false);
  116. }
  117. if (config.merge)
  118. {
  119. return complete(fileName, 'Finished!', now, done);
  120. }
  121. const isSubtited = Boolean(player.subtitle);
  122. log.dispEpisode(fileName, 'Merging...', false);
  123. video.merge(config, isSubtited, player.video.file, filePath, player.video.mode, config.verbose, (errVM) =>
  124. {
  125. if (errVM)
  126. {
  127. return done(errVM, false);
  128. }
  129. complete(fileName, 'Finished!', now, done);
  130. });
  131. });
  132. }
  133. else
  134. {
  135. log.dispEpisode(fileName, 'Ignoring: not released yet', true);
  136. done(null, true);
  137. }
  138. });
  139. });
  140. }
  141. /**
  142. * Saves the subtitles to disk.
  143. */
  144. function downloadSubtitle(config: IConfig, player: IEpisodePlayer, filePath: string, done: (err?: Error) => void)
  145. {
  146. const enc = player.subtitle;
  147. if (!enc)
  148. {
  149. return done();
  150. }
  151. subtitle.decode(enc.id, enc.iv, enc.data, (errSD, data) =>
  152. {
  153. if (errSD)
  154. {
  155. return done(errSD);
  156. }
  157. const formats = subtitle.formats;
  158. const format = formats[config.format] ? config.format : 'ass';
  159. formats[format](data, (errF: Error, decodedSubtitle: string) =>
  160. {
  161. if (errF)
  162. {
  163. return done(errF);
  164. }
  165. fs.writeFile(filePath + '.' + format, '\ufeff' + decodedSubtitle, done);
  166. });
  167. });
  168. }
  169. /**
  170. * Streams the video to disk.
  171. */
  172. function downloadVideo(config: IConfig, page: IEpisodePage, player: IEpisodePlayer,
  173. filePath: string, done: (err: Error) => void)
  174. {
  175. video.stream(player.video.host, player.video.file, page.swf, filePath,
  176. path.extname(player.video.file), player.video.mode, config.verbose, done);
  177. }
  178. /**
  179. * Names the file based on the config, page, series and tag.
  180. */
  181. function name(config: IConfig, page: IEpisodePage, series: string, extra: string)
  182. {
  183. const episodeNum = parseInt(page.episode, 10);
  184. const volumeNum = parseInt(page.volume, 10);
  185. const episode = (episodeNum < 10 ? '0' : '') + page.episode;
  186. const volume = (volumeNum < 10 ? '0' : '') + page.volume;
  187. const tag = config.tag || 'CrunchyRoll';
  188. if (!config.filename) {
  189. return page.series + ' - s' + volume + 'e' + episode + ' - [' + tag + ']' + extra;
  190. }
  191. return config.filename
  192. .replace(/{EPISODE_ID}/g, page.id.toString())
  193. .replace(/{EPISODE_NUMBER}/g, episode)
  194. .replace(/{SEASON_NUMBER}/g, volume)
  195. .replace(/{VOLUME_NUMBER}/g, volume)
  196. .replace(/{SEASON_TITLE}/g, page.season)
  197. .replace(/{VOLUME_TITLE}/g, page.season)
  198. .replace(/{SERIES_TITLE}/g, series)
  199. .replace(/{EPISODE_TITLE}/g, page.title)
  200. .replace(/{TAG}/g, tag) + extra;
  201. }
  202. /**
  203. * Prefixes a value.
  204. */
  205. function prefix(value: number|string, length: number)
  206. {
  207. let valueString = (typeof value !== 'string') ? String(value) : value;
  208. while (valueString.length < length)
  209. {
  210. valueString = '0' + valueString;
  211. }
  212. return valueString;
  213. }
  214. /**
  215. * Requests the page data and scrapes the id, episode, series and swf.
  216. */
  217. function scrapePage(config: IConfig, address: string, done: (err: Error, page?: IEpisodePage) => void)
  218. {
  219. const epId = parseInt((address.match(/[0-9]+$/) || ['0'])[0], 10);
  220. if (!epId)
  221. {
  222. return done(new Error('Invalid address.'));
  223. }
  224. my_request.get(config, address, (err, result) =>
  225. {
  226. if (err)
  227. {
  228. return done(err);
  229. }
  230. const $ = cheerio.load(result);
  231. const swf = /^([^?]+)/.exec($('link[rel=video_src]').attr('href'));
  232. 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]?)/;
  233. const look = $('#showmedia_about_media').text();
  234. const seasonTitle = $('span[itemprop="title"]').text();
  235. const episodeTitle = $('#showmedia_about_name').text().replace(/[“”]/g, '');
  236. const data = regexp.exec(look);
  237. if (!swf || !data)
  238. {
  239. log.warn('Somethig unexpected in the page at ' + address + ' (data are: ' + look + ')');
  240. log.warn('Setting Season to ’0’ and episode to ’0’...');
  241. done(null, {
  242. episode: '0',
  243. id: epId,
  244. series: seasonTitle,
  245. season: seasonTitle,
  246. title: episodeTitle,
  247. swf: swf[1],
  248. volume: '0',
  249. });
  250. }
  251. else
  252. {
  253. done(null, {
  254. episode: data[3],
  255. id: epId,
  256. series: data[1],
  257. season: seasonTitle,
  258. title: episodeTitle,
  259. swf: swf[1],
  260. volume: data[2] || '1',
  261. });
  262. }
  263. });
  264. }
  265. /**
  266. * Requests the player data and scrapes the subtitle and video data.
  267. */
  268. function scrapePlayer(config: IConfig, address: string, id: number, done: (err: Error, player?: IEpisodePlayer) => void)
  269. {
  270. const url = address.match(/^(https?:\/\/[^\/]+)/);
  271. if (!url)
  272. {
  273. return done(new Error('Invalid address.'));
  274. }
  275. my_request.post(config, {
  276. form: {
  277. current_page: address,
  278. video_format: config.video_format,
  279. video_quality: config.video_quality,
  280. media_id: id
  281. },
  282. url: url[1] + '/xml/?req=RpcApiVideoPlayer_GetStandardConfig&media_id=' + id,
  283. }, (err, result) =>
  284. {
  285. if (err)
  286. {
  287. return done(err);
  288. }
  289. xml2js.parseString(result, {
  290. explicitArray: false,
  291. explicitRoot: false,
  292. }, (errPS: Error, player: IEpisodePlayerConfig) =>
  293. {
  294. if (errPS)
  295. {
  296. return done(errPS);
  297. }
  298. try
  299. {
  300. const isSubtitled = Boolean(player['default:preload'].subtitle);
  301. let streamMode = 'RTMP';
  302. if (player['default:preload'].stream_info.host === '')
  303. {
  304. streamMode = 'HLS';
  305. }
  306. done(null, {
  307. subtitle: isSubtitled ? {
  308. data: player['default:preload'].subtitle.data,
  309. id: parseInt(player['default:preload'].subtitle.$.id, 10),
  310. iv: player['default:preload'].subtitle.iv,
  311. } : null,
  312. video: {
  313. file: player['default:preload'].stream_info.file,
  314. host: player['default:preload'].stream_info.host,
  315. mode: streamMode,
  316. },
  317. });
  318. } catch (parseError)
  319. {
  320. done(parseError);
  321. }
  322. });
  323. });
  324. }