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Captcha’s in Wicket

22/04/2012 3 comments

In this post I’ll describe how to add a captcha to your web application with Wicket. A captcha is a a type of challenge-response test used to ensure that the response is generated by a person. Adding one thwarts bots sending a large amount of filled in forms to be stored.

This article deals with the best known one: an image with a series of characters and an input field to which the user must fill the characters of the image. First I describe how to do this, using the captcha component that is shipped with Wicket. After that I describe how to add the well known recaptcha. Read more…

Categories: Frontend, Java Tags: , ,

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