springboot repeat submit

This article discusses various approaches for preventing repeat form submissions in Springboot applications. It explores adding CSRF tokens, using the @ValidateOnSubmit annotation, generating unique request identifiers, implementing rate limiters, an

Springboot Repeat Submit

1. How to Prevent Repeat Submissions with Springboot?

Springboot provides several approaches to prevent repeat submissions:

• Adding a CSRF Token: Cross-Site Request Forgery (CSRF) tokens are unique per session and prevent unauthorized submissions.
• Using the @ValidateOnSubmit Annotation: This checks for duplicate requests based on a form's input parameters.
• Generating Unique Request Identifiers: A GUID or timestamp can be used to prevent resubmitting the same request.
• Implementing a Rate Limiter: Limiting the rate of requests can discourage malicious attempts to repeat submissions.

2. Best Practices for Handling Repeat Submissions in Springboot Applications

• Implement multiple prevention mechanisms to enhance security.
• Use CSRF tokens as the primary defense against cross-site attacks.
• Configure appropriate rate limits to prevent excessive requests.
• Log and track all submission attempts for auditing purposes.
• Consider using a third-party library specifically designed for handling repeat submissions.

3. Is There a Springboot Annotation or Feature to Automatically Handle Repeat Submissions?

Yes, Spring Security provides the @RepeatedSubmit annotation that helps prevent double form submissions by verifying that a unique token is included in the request.

Here's an example:

@PostMapping("/")
@RepeatedSubmit(value = true)
public String handleSubmit() {
    // Handle the form submission
    return "success";
}

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