youknow.pac

var proxy = "SOCKS5 127.0.0.1:1081; SOCKS 127.0.0.1:1081; DIRECT;";
var direct = 'DIRECT;';

var domains = [
    'twitter.com',
    'google.com',
    'google.com.hk',
    't.co',
    'twimg.com',
    'github.com',
    'atom.io',
    'googleapis.com',
    'amazonaws.com',
    'google.com.sg',
    'facebook.com',
    'gstatic.com',
    'googleusercontent.com',
    'shadowsocks.org',
    'youtube.com',
    'ytimg.com',
    'googlevideo.com',
    'micmap.org',
    'bit.ly',
    'archive.org',
    'hhvm.com',
    'tw',
    'jp',
    'appspot.com',
    'goo.gl',
    'nytimes.com',
    'dropbox.com',
    'mongodb.org',
    'pixnet.net',
    'flickr.com',
    'openwrt.org',
    'slideshare.net',
    'cloudflare.com',
    'bbc.co.uk',
    'golang.org'
];

function FindProxyForURL(url, host) {
    var i;
    if (isPlainHostName(host)) {
        return direct;
    }
    for (i=domains.length-1; i>=0; i--) {
        if(host===domains[i] || dnsDomainIs(host, '.'+domains[i])){
            return proxy;
        }
    }
    return direct;
}