reCAPTCHA

This is reCAPTCHA integration plugin for Cotonti -- another member of the happy family of CAPTCHA plugins serving security of your websites.

reCAPTCHA v2 is currently supported.

Authors: esclkm, Andrey Matsovkin, Kalnov Alexey

Github: https://github.com/Cotonti-Extensions/recaptcha

#1. Requirements

Version for Cotonti Siena:

Just download it here and install the plugin.

Version for Cotonti Genoa:

Download here.

This plugin is recommended for use with CAPTCHA Manager. However, it can be used as a single CAPTCHA solution for the website.

#2. Installation

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

#3. 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: