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First of all, I apologize for shooting off my chat fingers. On examination, my custom challenge and recapcha work was in Drupal and Wordpress and NOT in Evergreen-ILS. not helpful.
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That said, A quick run through the templates suggests that a recaptcha feature could be implemented using, essentially, the same technique used for google analytics. A bool in config.tt2 to enable the feature if desired, and the addition of "your site here" information. Adding the recaptcha javascript to a recaptcha.tt2 file in opac/parts should be pretty easy and then just embed the call in the various forms, such as opac/parts/register.tt2. should do the trick.
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Is this worth creating a wish-list item in launchpad and prioritizing it?
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best,
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Steve Wills
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