Files
crunchy/src/request.ts

101 lines
3.2 KiB
TypeScript

'use strict';
import request = require('request');
import cheerio = require('cheerio');
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);
request.get(modify(options), (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);
request.post(modify(options), (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,
url: 'https://www.crunchyroll.com/?a=formhandler&formname=RpcApiUser_Login&name=' + config.user + '&password=' + config.pass
};
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/'
};
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) { console.log('Do not use this app without a premium account.'); }
else { console.log('You have a premium account! Good!'); }
done(null);
});
});
}
/**
* Modifies the options to use the authenticated cookie jar.
*/
function modify(options: string|request.Options): request.Options {
if (typeof options !== 'string') {
options.jar = true;
options.headers = defaultHeaders;
return options;
}
return {jar: true, headers: defaultHeaders, url: options.toString()};
}