src/my_request.ts
'use strict';
import cheerio = require('cheerio');
import request = require('request');
import rp = require('request-promise');
import Promise = require('bluebird');
import uuid = require('uuid');
import path = require('path');
import fs = require('fs-extra');
import languages = require('./languages');
import log = require('./log');
import { RequestPromise } from 'request-promise';
import { Response } from 'request';
// tslint:disable-next-line:no-var-requires
const cookieStore = require('tough-cookie-file-store');
const CR_COOKIE_DOMAIN = 'http://crunchyroll.com';
let isAuthenticated = false;
let isPremium = false;
let j: request.CookieJar;
// tslint:disable-next-line:no-var-requires
import cloudscraper = require('cloudscraper');
let currentOptions: any;
let optionsSet = false;
function AuthError(msg: string): IAuthError
{
return { name: 'AuthError', message: msg, authError: true };
}
function startSession(config: IConfig): Promise<any>
{
return rp(
{
method: 'GET',
url: config.crSessionUrl,
qs:
{
device_id: config.crDeviceId,
device_type: config.crDeviceType,
access_token: config.crSessionKey,
version: config.crAPIVersion,
locale: config.crLocale,
},
json: true,
})
.then((response: any) =>
{
if ((response.data === undefined) || (response.data.session_id === undefined))
{
throw new Error('Getting session failed: ' + JSON.stringify(response));
}
return response.data.session_id;
});
}
function APIlogin(config: IConfig, sessionId: string, user: string, pass: string): Promise<any>
{
return rp(
{
method: 'POST',
url: config.crLoginUrl,
form:
{
account: user,
password: pass,
session_id: sessionId,
version: config.crAPIVersion,
},
json: true,
jar: j,
})
.then((response) =>
{
if (response.error) throw new Error('Login failed: ' + response.message);
return response.data;
});
}
function checkIfUserIsAuth(config: IConfig, done: (err: any) => void): void
{
/**
* The main page give us some information about the user
*/
const url = 'http://www.crunchyroll.com/';
cloudscraper.get(url, getOptions(config, null), (err: any, rep: Response, body: string) =>
{
if (err)
{
return done(err);
}
const $ = cheerio.load(body);
/* As we are here, try to detect which locale CR tell us */
const localeRE = /LOCALE = "([a-zA-Z]+)",/g;
const locale = localeRE.exec($('script').text())[1];
const countryCode = languages.localeToCC(locale);
if (config.crlang === undefined)
{
log.info('No locale set. Setting to the one reported by CR: "' + countryCode + '"');
config.crlang = countryCode;
}
else if (config.crlang !== countryCode)
{
log.warn('Crunchy is configured for locale "' + config.crlang + '" but CR report "' + countryCode + '" (LOCALE = ' + locale + ')');
log.warn('Check if it is correct or rerun (once) with "-l ' + countryCode + '" to correct.');
}
/* Check if auth worked */
const regexps = /ga\('set', 'dimension[5-8]', '([^']*)'\);/g;
const dims = regexps.exec($('script').text());
for (let 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)
{
const error = $('ul.message, li.error').text();
log.warn('Authentication failed: ' + error);
log.dumpToDebug('not auth rep', rep);
log.dumpToDebug('not auth body', body);
return done(AuthError('Authentication failed: ' + error));
}
else
{
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);
});
}
function loadCookies(config: IConfig)
{
const cookiePath = path.join(config.output || process.cwd(), '.cookies.json');
if (!fs.existsSync(cookiePath))
{
fs.closeSync(fs.openSync(cookiePath, 'w'));
}
j = request.jar(new cookieStore(cookiePath));
}
export function eatCookies(config: IConfig)
{
const cookiePath = path.join(config.output || process.cwd(), '.cookies.json');
if (fs.existsSync(cookiePath))
{
fs.removeSync(cookiePath);
}
j = undefined;
}
export function getUserAgent(): string
{
return currentOptions.headers['User-Agent'];
}
/**
* Performs a GET request for the resource.
*/
export function get(config: IConfig, url: string, done: (err: any, result?: string) => void)
{
authenticate(config, (err) =>
{
if (err)
{
return done(err);
}
cloudscraper.get(url, getOptions(config, null), (error: any, response: any, body: any) =>
{
if (error) return done(error);
done(null, typeof body === 'string' ? body : String(body));
});
});
}
/**
* Performs a POST request for the resource.
*/
export function post(config: IConfig, url: string, form: any, done: (err: any, result?: string) => void)
{
authenticate(config, (err) =>
{
if (err)
{
return done(err);
}
cloudscraper.post(url, getOptions(config, form), (error: Error, response: any, body: any) =>
{
if (error)
{
return done(error);
}
done(null, typeof body === 'string' ? body : String(body));
});
});
}
function authUsingCookies(config: IConfig, done: (err: any) => void)
{
j.setCookie(request.cookie('session_id=' + config.crSessionId + '; Domain=crunchyroll.com; HttpOnly; hostOnly=false;'),
CR_COOKIE_DOMAIN);
checkIfUserIsAuth(config, (errCheckAuth2) =>
{
if (isAuthenticated)
{
return done(null);
}
else
{
return done(errCheckAuth2);
}
});
}
function authUsingApi(config: IConfig, done: (err: any) => void)
{
if (!config.pass || !config.user)
{
log.error('You need to give login/password to use Crunchy');
process.exit(-1);
}
if (config.crDeviceId === undefined)
{
config.crDeviceId = uuid.v4();
}
if (!config.crSessionUrl || !config.crDeviceType || !config.crAPIVersion ||
!config.crLocale || !config.crLoginUrl)
{
return done(AuthError('Invalid API configuration, please check your config file.'));
}
startSession(config)
.then((sessionId: string) =>
{
// defaultHeaders['Cookie'] = `sess_id=${sessionId}; c_locale=enUS`;
return APIlogin(config, sessionId, config.user, config.pass);
})
.then((userData) =>
{
checkIfUserIsAuth(config, (errCheckAuth2) =>
{
if (isAuthenticated)
{
return done(null);
}
else
{
return done(errCheckAuth2);
}
});
})
.catch((errInChk) =>
{
return done(AuthError(errInChk.message));
});
}
function authUsingForm(config: IConfig, done: (err: any) => void)
{
/* So if we are here now, that mean we are not authenticated so do as usual */
if (!config.pass || !config.user)
{
log.error('You need to give login/password to use Crunchy');
process.exit(-1);
}
/* First get https://www.crunchyroll.com/login to get the login token */
cloudscraper.get('https://www.crunchyroll.com/login', getOptions(config, null), (err: any, rep: Response, body: string) =>
{
if (err) return done(err);
const $ = cheerio.load(body);
/* Get the token from the login page */
const token = $('input[name="login_form[_token]"]').attr('value');
if (token === '')
{
return done(AuthError('Can\'t find token!'));
}
/* Now call the page again with the token and credentials */
const paramForm =
{
'login_form[name]': config.user,
'login_form[password]': config.pass,
'login_form[redirect_url]': '/',
'login_form[_token]': token
};
cloudscraper.post('https://www.crunchyroll.com/login', getOptions(config, paramForm), (err: any, rep: Response, body: string) =>
{
if (err)
{
return done(err);
}
/* Now let's check if we are authentificated */
checkIfUserIsAuth(config, (errCheckAuth2) =>
{
if (isAuthenticated)
{
return done(null);
}
else
{
return done(errCheckAuth2);
}
});
});
});
}
/**
* Authenticates using the configured pass and user.
*/
function authenticate(config: IConfig, done: (err: any) => void)
{
if (isAuthenticated)
{
return done(null);
}
/* First of all, check if the user is not already logged via the cookies */
checkIfUserIsAuth(config, (errCheckAuth) =>
{
if (isAuthenticated)
{
return done(null);
}
log.info('Seems we are not currently logged. Let\'s login!');
if (config.logUsingApi)
{
return authUsingApi(config, done);
}
else if (config.logUsingCookie)
{
return authUsingCookies(config, done);
}
else
{
return authUsingForm(config, done);
}
});
}
function getOptions(config: IConfig, form: any)
{
if (!optionsSet)
{
currentOptions = {};
currentOptions.headers = {};
currentOptions.headers['Cache-Control'] = 'private';
currentOptions.headers.Accept = 'application/xml,application/xhtml+xml,text/html;q=0.9, text/plain;q=0.8,image/png,*/*;q=0.5';
if (config.userAgent)
{
currentOptions.headers['User-Agent'] = config.userAgent;
}
else
{
currentOptions.headers['User-Agent'] = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:75.0) Gecko/20100101 Firefox/75.0';
}
if (j === undefined)
{
loadCookies(config);
}
currentOptions.decodeEmails = true;
currentOptions.jar = j;
optionsSet = true;
}
currentOptions.form = {};
if (form !== null)
{
currentOptions.form = form;
}
return currentOptions;
}