Node JS request to get an oauth token with grant_type of password (to our doorkeeper endpoint)

node_oauth_token_request

var default_headers, site_root = 'http://localhost:3000';

default_headers = {
    'User-Agent': 'Mozilla/5.0 (X11; Linux i686; rv:7.0.1) Gecko/20100101 Firefox/7.0.1',
    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
    'Accept-Language': 'en-us,en;q=0.5',
    'Accept-Encoding': 'gzip, deflate',
    'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
    // 'Connection': 'keep-alive',
    'Cache-Control': 'max-age=0'
};
request({
    url: site_root + '/oauth/token',
    headers: default_headers,
    method: 'POST',
    json: {
        grant_type: 'password',
        client_id: '0887ed9742c581db11f533e72d96e0c1f5b98e65efe08f6b309a45d99add63b3',
        client_secret: '75efe6d4d831c79d0c3671875bd2668ee944edbddf37a72b7a2197477e8906bb',
        username: '[email protected]',
        password: 'doorkeeper'
    }
}, function(err, res, body) {
    if (!err && res.statusCode == 200) {
        console.log(body.access_token);
    } else {
    }
});