reCAPTCHA

Plugin for CMF Cotonti to protect your site from spam and abuse with a reCAPTCHA.

reCAPTCHA v2 is currently supported.

Authors: esclkm, Andrey Matsovkin, Kalnov Alexey

Plugin page: https://www.cotonti.com/extensions/security-authentication/recaptcha

Installation

• Unpack to your plugins folder
• Install the plugin in AdminCP
• Visit https://developers.google.com/recaptcha to obtain reCAPTCHA keys and get detailed info
• Configure the plugin (don't forget to add the keys!)
• Add tags to users.register.tpl: {USERS_REGISTER_VERIFYIMG}, to comments.tpl: {COMMENTS_FORM_VERIFY_IMG}, to contact.tpl: {CONTACT_FORM_VERIFY_IMG}

Developers API

Use this function to generate CAPTCHA in your extensions:

$t->assign([
  'SOMETHING_CAPTCHA' => cot_captcha_generate(),
]);

Then check CAPTCHA on form processing:

$response = cot_import('g-recaptcha-response', 'P', 'TXT');
if (!cot_captcha_validate($response)) {
  cot_error('recaptcha_verification_failed', 'response');
}

Example: