In my MVC asp.net quiz application, users are given a variable amount of time to complete the quiz. Once this time runs out, their answers will be automatically submitted.
As of now, I have set up a timer in Javascript with the duration stored in the Controller's Session["EndTime"]. However, there is a concern that users may tamper with the Javascript code and manipulate the timer. Is there a way to initiate the timer in the Controller and trigger an Action once it expires?
It is not within the server's ability to compel the browser to submit data; that task falls under the jurisdiction of JavaScript code. Users maintain the freedom to alter this process as they see fit.
Instead, the server focuses on monitoring two key elements:
The initial value is embedded in the form transmitted to the browser as a hidden field. When the user submits test results, the server-side script utilizes this identifier to cross-reference it with the saved timestamp, checking for timely completion. Should the submission exceed the stipulated timeframe, the server will dismiss the data and report an error.
In essence, while the server cannot enforce immediate result submission from users, it retains the power to reject belated responses.
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