'use strict'; import request = require('request'); import cheerio = require('cheerio'); import log = require('./log'); var cloudscraper = require('cloudscraper'); var isAuthenticated = false; var isPremium = false; var defaultHeaders: request.Headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 6.2; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0', 'Connection': 'keep-alive' }; /** * Performs a GET request for the resource. */ export function get(config: IConfig, options: request.Options, done: (err: Error, result?: string) => void) { authenticate(config, err => { if (err) return done(err); cloudscraper.request(modify(options, 'GET'), (err: Error, response: any, body: any) => { if (err) return done(err); done(null, typeof body === 'string' ? body : String(body)); }); }); } /** * Performs a POST request for the resource. */ export function post(config: IConfig, options: request.Options, done: (err: Error, result?: string) => void) { authenticate(config, err => { if (err) return done(err); cloudscraper.request(modify(options, 'POST'), (err: Error, response: any, body: any) => { if (err) return done(err); done(null, typeof body === 'string' ? body : String(body)); }); }); } /** * Authenticates using the configured pass and user. */ function authenticate(config: IConfig, done: (err: Error) => void) { if (isAuthenticated || !config.pass || !config.user) return done(null); /* Bypass the login page and send a login request directly */ var options = { headers: defaultHeaders, jar: true, gzip: false, method: 'GET', url: 'https://www.crunchyroll.com/login' }; // request(options, (err: Error, rep: string, body: string) => cloudscraper.request(options, (err: Error, rep: string, body: string) => { if (err) return done(err); var $ = cheerio.load(body); /* Get the token from the login page */ var token = $('input[name="login_form[_token]"]').attr('value'); if (token === '') return done(new Error('Can`t find token!')); var options = { headers: defaultHeaders, form: { 'login_form[redirect_url]': '/', 'login_form[name]': config.user, 'login_form[password]': config.pass, 'login_form[_token]': token }, jar: true, gzip: false, method: 'POST', url: 'https://www.crunchyroll.com/login' }; // request.post(options, (err: Error, rep: string, body: string) => cloudscraper.request(options, (err: Error, rep: string, body: string) => { if (err) return done(err); /* The page return with a meta based redirection, as we wan't to check that everything is fine, reload * the main page. A bit convoluted, but more sure. */ var options = { headers: defaultHeaders, jar: true, url: 'http://www.crunchyroll.com/', method: 'GET' }; cloudscraper.request(options, (err: Error, rep: string, body: string) => { if (err) return done(err); var $ = cheerio.load(body); /* Check if auth worked */ var regexps = /ga\(\'set\', \'dimension[5-8]\', \'([^']*)\'\);/g; var dims = regexps.exec($('script').text()); for (var i = 1; i < 5; i++) { if ((dims[i] !== undefined) && (dims[i] !== '') && (dims[i] !== 'not-registered')) { isAuthenticated = true; } if ((dims[i] === 'premium') || (dims[i] === 'premiumplus')) { isPremium = true; } } if (isAuthenticated === false) { var error = $('ul.message, li.error').text(); return done(new Error('Authentication failed: ' + error)); } if (isPremium === false) { log.warn('Do not use this app without a premium account.'); } else { log.info('You have a premium account! Good!'); } done(null); }); }); }); } /** * Modifies the options to use the authenticated cookie jar. */ function modify(options: string|request.Options, reqMethod: string): request.Options { if (typeof options !== 'string') { options.jar = true; options.headers = defaultHeaders; options.method = reqMethod; return options; } return { jar: true, headers: defaultHeaders, url: options.toString(), method: reqMethod}; }