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POHow is breeze.js handling security and avoiding exposing business logic
 

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    <p>We are considering <a href="http://www.breezejs.com/" rel="nofollow">breeze js</a> to build enterprise applications.</p> <p>The awesomeness of breeze is that we can execute queries right from the client browser. This allows to constructs dynamic queries based on the users input without loading unnecessary data. I have found that using Breeze we can create business logic that reduces data traveling/transferring by 1/10 or even more when using a lazy loading strategy. using queries like <a href="http://www.breezejs.com/documentation/projection-queries" rel="nofollow">these</a> </p> <p>Hooray breeze!!!</p> <p>But what about Business Logic security, For example, We could have a repository in which we could conceal, hide and obscure our business logic; and then use MVC Web API controllers to just make calls to those repository C# classes. so Breeze JavaScript talks to the WebAPi controller and the WebApi controller talks to the C# repository. The Controllers will always be kept very simple and easy to read, but the Repository may end up having lots of business logic for the company using the application. So if a hacker uses, for example, the Google Chrome developer's console to inspect the JavaScript code, all he/she will see are things like GetCustomers(), GetProductsForThisId(54). There is not much information that can be seen (or stolen) there. Because 90% of the Business Logic will live on the C# repository on the server .</p> <p>How is breeze.js handling that ?</p> <p>If we start moving the queries and business logic "from the controller's C# to the breeze JavaScript", we have to consider that our system is membership based. I think the more queries we expose to the client in JavaScript, the more vulnerable our software becomes, and the more we tell hackers how to hack our website and possibly steal information.</p>
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