login service code

gistfile1.js

window.CEM = {
    // app: cem.App
    //      this is set in main.js
    app: null,
    urls: {
        login: 'http://ec2-23-20-196-67.compute-1.amazonaws.com:8080/fishing/login',
        getAvailableDownloads: 'http://ec2-23-20-196-67.compute-1.amazonaws.com:8080/fishing/json/AvailableDownloads',
        downloadFile: 'http://ec2-23-20-196-67.compute-1.amazonaws.com:8080/fishing/file/download?fileId='
    }
};

var params = {
    url: CEM.urls.login,
    handleAs: 'json',
    headers: { 
        "Content-Type": "application/json",
        "accept": "application/json",
        "accept-charset": "ISO-8859-1,utf-8"
    },
    content: {
        userId: 'test',
        password: 'pass'
    },
    load: function(response) {
        console.log('login response: ', response);
        if (helpers.checkResponseForSuccess(response)) {
            that.onSignInSuccess(response);
        }
    },
    error: function(error) {
        console.error('error with login xhr: ', error);
    }
};

return dojo.xhrPost(par