episode.ts 7.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229
  1. 'use strict';
  2. import cheerio = require('cheerio');
  3. import fs = require('fs');
  4. import mkdirp = require('mkdirp');
  5. import request = require('./request');
  6. import path = require('path');
  7. import subtitle from './subtitle/index';
  8. import video from './video/index';
  9. import xml2js = require('xml2js');
  10. /**
  11. * Streams the episode to disk.
  12. */
  13. export default function(config: IConfig, address: string, done: (err: Error, ign: boolean) => void) {
  14. scrapePage(config, address, (err, page) => {
  15. if (err) return done(err, false);
  16. scrapePlayer(config, address, page.id, (err, player) => {
  17. if (err) return done(err, false);
  18. download(config, page, player, done);
  19. });
  20. });
  21. }
  22. /**
  23. * Completes a download and writes the message with an elapsed time.
  24. */
  25. function complete(message: string, begin: number, done: (err: Error, ign: boolean) => void) {
  26. var timeInMs = Date.now() - begin;
  27. var seconds = prefix(Math.floor(timeInMs / 1000) % 60, 2);
  28. var minutes = prefix(Math.floor(timeInMs / 1000 / 60) % 60, 2);
  29. var hours = prefix(Math.floor(timeInMs / 1000 / 60 / 60), 2);
  30. console.log(message + ' (' + hours + ':' + minutes + ':' + seconds + ')');
  31. done(null, false);
  32. }
  33. /**
  34. * Check if a file exist..
  35. */
  36. function fileExist(path: string) {
  37. try
  38. {
  39. fs.statSync(path);
  40. return true;
  41. }
  42. catch (e) { }
  43. return false;
  44. }
  45. /**
  46. * Downloads the subtitle and video.
  47. */
  48. function download(config: IConfig, page: IEpisodePage, player: IEpisodePlayer, done: (err: Error, ign: boolean) => void) {
  49. var series = config.series || page.series;
  50. series = series.replace("/","_").replace("'","_").replace(":","_");
  51. var fileName = name(config, page, series, "").replace("/","_").replace("'","_").replace(":","_");
  52. var filePath = path.join(config.output || process.cwd(), series, fileName);
  53. if (fileExist(filePath + ".mkv"))
  54. {
  55. var count = 0;
  56. console.info("File '"+fileName+"' already exist...");
  57. do
  58. {
  59. count = count + 1;
  60. fileName = name(config, page, series, "-" + count).replace("/","_").replace("'","_").replace(":","_");
  61. filePath = path.join(config.output || process.cwd(), series, fileName);
  62. } while(fileExist(filePath + ".mkv"))
  63. console.info("Renaming to '"+fileName+"'...");
  64. }
  65. mkdirp(path.dirname(filePath), (err: Error) => {
  66. if (err) return done(err, false);
  67. downloadSubtitle(config, player, filePath, err => {
  68. if (err) return done(err, false);
  69. var now = Date.now();
  70. if (player.video.file != undefined)
  71. {
  72. console.log('Fetching ' + fileName);
  73. downloadVideo(config, page, player, filePath, err => {
  74. if (err) return done(err, false);
  75. if (config.merge) return complete('Finished ' + fileName, now, done);
  76. var isSubtited = Boolean(player.subtitle);
  77. video.merge(config, isSubtited, player.video.file, filePath, player.video.mode, err => {
  78. if (err) return done(err, false);
  79. complete('Finished ' + fileName, now, done);
  80. });
  81. });
  82. }
  83. else
  84. {
  85. console.log('Ignoring ' + fileName + ': not released yet');
  86. done(null, true);
  87. }
  88. });
  89. });
  90. }
  91. /**
  92. * Saves the subtitles to disk.
  93. */
  94. function downloadSubtitle(config: IConfig, player: IEpisodePlayer, filePath: string, done: (err?: Error) => void) {
  95. var enc = player.subtitle;
  96. if (!enc) return done();
  97. subtitle.decode(enc.id, enc.iv, enc.data, (err, data) => {
  98. if (err) return done(err);
  99. var formats = subtitle.formats;
  100. var format = formats[config.format] ? config.format : 'ass';
  101. formats[format](data, (err: Error, decodedSubtitle: string) => {
  102. if (err) return done(err);
  103. fs.writeFile(filePath + '.' + format, '\ufeff' + decodedSubtitle, done);
  104. });
  105. });
  106. }
  107. /**
  108. * Streams the video to disk.
  109. */
  110. function downloadVideo(config: IConfig,
  111. page: IEpisodePage,
  112. player: IEpisodePlayer,
  113. filePath: string,
  114. done: (err: Error) => void) {
  115. video.stream(
  116. player.video.host,
  117. player.video.file,
  118. page.swf,
  119. filePath, path.extname(player.video.file),
  120. player.video.mode,
  121. done);
  122. }
  123. /**
  124. * Names the file based on the config, page, series and tag.
  125. */
  126. function name(config: IConfig, page: IEpisodePage, series: string, extra: string) {
  127. var episodeNum = parseInt(page.episode, 10);
  128. var volumeNum = parseInt(page.volume, 10);
  129. var episode = (episodeNum < 10 ? '0' : '') + page.episode;
  130. var volume = (volumeNum < 10 ? '0' : '') + page.volume;
  131. var tag = config.tag || 'CrunchyRoll';
  132. return series + ' - s' + volume + 'e' + episode +' - [' + tag + ']' + extra;
  133. }
  134. /**
  135. * Prefixes a value.
  136. */
  137. function prefix(value: number|string, length: number) {
  138. var valueString = typeof value !== 'string' ? String(value) : value;
  139. while (valueString.length < length) valueString = '0' + valueString;
  140. return valueString;
  141. }
  142. /**
  143. * Requests the page data and scrapes the id, episode, series and swf.
  144. */
  145. function scrapePage(config: IConfig, address: string, done: (err: Error, page?: IEpisodePage) => void) {
  146. var id = parseInt((address.match(/[0-9]+$/) || ['0'])[0], 10);
  147. if (!id) return done(new Error('Invalid address.'));
  148. request.get(config, address, (err, result) => {
  149. if (err) return done(err);
  150. var $ = cheerio.load(result);
  151. var swf = /^([^?]+)/.exec($('link[rel=video_src]').attr('href'));
  152. var 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]?)/;
  153. var look = $('#showmedia_about_media').text();
  154. var seasonTitle = $('span[itemprop="title"]').text();
  155. var data = regexp.exec(look);
  156. if (!swf || !data)
  157. {
  158. console.info('Something wrong in the page at '+address+' (data are: '+look+')');
  159. console.info('Setting Season to 0 and episode to \’0\’...');
  160. done(null, {
  161. id: id,
  162. episode: "0",
  163. series: seasonTitle,
  164. swf: swf[1],
  165. volume: "0"
  166. });
  167. }
  168. done(null, {
  169. id: id,
  170. episode: data[3],
  171. series: data[1],
  172. swf: swf[1],
  173. volume: data[2] || "1"
  174. });
  175. });
  176. }
  177. /**
  178. * Requests the player data and scrapes the subtitle and video data.
  179. */
  180. function scrapePlayer(config: IConfig, address: string, id: number, done: (err: Error, player?: IEpisodePlayer) => void) {
  181. var url = address.match(/^(https?:\/\/[^\/]+)/);
  182. if (!url) return done(new Error('Invalid address.'));
  183. request.post(config, {
  184. form: {current_page: address},
  185. url: url[1] + '/xml/?req=RpcApiVideoPlayer_GetStandardConfig&media_id=' + id
  186. }, (err, result) => {
  187. if (err) return done(err);
  188. xml2js.parseString(result, {
  189. explicitArray: false,
  190. explicitRoot: false
  191. }, (err: Error, player: IEpisodePlayerConfig) => {
  192. if (err) return done(err);
  193. try {
  194. var isSubtitled = Boolean(player['default:preload'].subtitle);
  195. var streamMode="RTMP";
  196. if (player['default:preload'].stream_info.host == "")
  197. {
  198. streamMode="HLS";
  199. }
  200. done(null, {
  201. subtitle: isSubtitled ? {
  202. id: parseInt(player['default:preload'].subtitle.$.id, 10),
  203. iv: player['default:preload'].subtitle.iv,
  204. data: player['default:preload'].subtitle.data
  205. } : null,
  206. video: {
  207. mode: streamMode,
  208. file: player['default:preload'].stream_info.file,
  209. host: player['default:preload'].stream_info.host
  210. }
  211. });
  212. } catch (parseError) {
  213. done(parseError);
  214. }
  215. });
  216. });
  217. }