Node script for making test users for facebook apps.

facebook_user.js

/**
    Usage: node facebook_user.js <app_id> <app_secret>
**/
var http = require('https');
var APP_ID = process.argv[2];
var SECRET = process.argv[3];
var NAME = process.argv[4] || 'Test%20User';

if (!APP_ID || !SECRET) {
    throw new Error('App ID and secret must be defined');
}

var Facebook = {
    create: function (callback) {

        var request = function (path, cb) {
            //console.log(path);
            var options = {
                host: 'graph.facebook.com',
                path: path,
                method: 'get'
            }
            var proxyReq = http.request(options, function (response) {
                var buffer = new Buffer('');

                response.on('data', function (chunk) {
                    buffer = Buffer.concat([buffer, chunk]);
                });
                
                response.on('end', function () {
                    var body = buffer.toString();
                    cb(body);
                });
            });
            proxyReq.on('error', function(e) {
                callback({error: true});
            });
            proxyReq.end();
        }

        request('/oauth/access_token?client_id=' + APP_ID + '&client_secret=' + SECRET + '&grant_type=client_credentials', function (response) {
            try {
                var json = JSON.parse(response);
                if (json.error) {
                    callback(json);
                }
            } catch(e) {}
            var token = response;
            console.log('Got access token: ' + response.split('=')[1]);
            request('/' + APP_ID + '/accounts/test-users?' + response, function (response) {
                try {
                    response = JSON.parse(response);
                } catch (e) {
                    callback({
                        error: 'Unable to get existing users.'
                    })
                }
                if (response.data.length) {
                    console.log('Found ' + response.data.length + 'users, here\'s the login URL for one of them:\n');
                    callback(response.data[0]);
                } else {
                    console.log('Unable to find users, making a new one...\n\n');
                    request('/' + APP_ID + '/accounts/test-users?installed=true&name=' + NAME + '&locale=en_US&permissions=read_stream&method=post&' + token, function (response) {
                        try {
                            response = JSON.parse(response);
                        } catch (e) {
                            callback({
                                error: 'Unable to create user.'
                            })
                        }
                        if (response.error) {
                            callback(response);
                        } else {
                            console.log('Got user: ');
                            callback(response);
                        }
                    });
                }
            });

        });

    }
}
Facebook.create(function (user) {
    if (user.error) {
        console.log(user);
    } else {
        console.log(user.login_url);
    }
    process.exit();
});