I get this:

Site key and secret key must be specified.

Can you help me, please?

modules/default/forms/Registration.php
$this->addElement(new \Cgsmith\Form\Element\Recaptcha());

configs/application-local.php

return [
    'recaptcha' => [
        'sitekey' => 'my site key',
        'secretkey' => 'my secret key',
    ]
];

modules/default/Bootstrap.php

public function _initView()
    {
        $view = new Zend_View();

        $view->addHelperPath(
            APPLICATION_PATH . '/../vendor/cgsmith/zf1-recaptcha-2/src/Cgsmith/View/Helper',
            'Cgsmith\\View\\Helper\\'
        );

        Zend_Controller_Action_HelperBroker::addHelper(new Zend_Controller_Action_Helper_ViewRenderer($view));

        return $view;
    }

    public function _initRecaptcha()
    {
        $config = \Zend_Registry::get('appConfig');
        $params = $config->recaptcha->toArray();

        $params['messageTemplates'] = [
            \Cgsmith\Validate\Recaptcha::INVALID_CAPTCHA => 'The captcha was invalid', // set custom/translated message
            \Cgsmith\Validate\Recaptcha::CAPTCHA_EMPTY => 'The captcha must be completed'
        ];

        \Zend_Registry::set('recaptcha', $params);
    }

Hi,

Really nice that you made this! But when you work with sub-forms in ZF, the script doesn't work anymore. That's because Google generates it's own code for the input field (textarea) and that's always the POST param "g-recaptcha-response".

So when working with sub-forms you never retrieve the value of that field. I made a work-around by retrieving the raw request params and than perform a verify with the API (the same code that you use in the _verify method).

But just wanted to let you know this.. if you would find a more suitable solution that would be great of course.. I'll try myself, if I find something, I'll let you know!

it would be great if we could add some custom classes.

i added and tested the modified method in Cgsmith\View\Helper\FormReceptcha and it's working:

public function formRecaptcha($name, $value = null, $attribs = null, $options = null, $listsep = '')
{
    if (!isset($attribs['siteKey']) || !isset($attribs['secretKey'])) {
        throw new \Zend_Exception('Site key is not set in the view helper');
    }

    $customClasses = '';
    if( isset( $attribs['classes'] )) {
        if( is_array( $attribs['classes'] ) ) {
            $customClasses = implode(' ', $attribs['classes']);
        } else {
            $customClasses = $attribs['classes'];
        }
    }

    return '<div class="g-recaptcha ' . $customClasses . '" data-sitekey="' . $attribs['siteKey'] . '"></div>';
}

Thank You for Your work.

I found some errors inside code.
Class Cgsmith\Validate\ValidateRecaptcha should be named 'Recaptcha' or Zend will not load it.
Because You are using namespaces every Zend_Exception should be executed as \Zend_Exception.

That's alle I think.

Hi there

Im having trouble with hydration - isValid always returns false as it thinks the value is empty. Zend_Form_Element::filterName() filters out '-' characters when setting the element name, obviously this is an issue as Google renders the element on the page with the '-' characters (g-recaptcha-response becomes grecaptcharesponse). Is there a known work around for this short of extending the Zend_Form_Element class to include the '-' character in the list of allowed name characters?

Many thanks!
Jon

In the validate class, $this->_value is not set in public function isValid($value, $context = null).

protected function _verify() then uses $this->_value to build query string.

This results in an empty value being passed to the google api servers.

Hi thanks for this, work a treat. However, I am having an issue in that the captcha is at the top of the form not at the bottom besides the submit button. Maybe I have been looking at this for far too long but I cannot see what the issue is. Any thoughts?

I get this:
Fatal error: Class 'Cgsmith\Form\Element\Zend_Form_Element' not found in /home/eakdafreak/domains/eakdafreak.com/vendor/cgsmith/zf1-recaptcha-2/src/Cgsmith/Form/Element/Recaptcha.php on line 13

Can you help me, please?

PHP version should use an active dev version

Also, library name should be 'cgsmith' in composer.json file.

Hi, I am reaching out to ask if we can merge your library directly into one of the currently running ZF1 forks. That is covered under GPL3 and your library is marked up GPL3.

Shardj/zf1-future#343

This is just an issue as noticed by @chrif

Going to commit fixes for other parts of the code.

Tracked down an issue in our PHP setup where the captcha failed to validate.
Google server response: "missing-input-response"

It is caused by our PHP INI that has the setting:
arg_separator.output = "&"

This leads to the query string generated using http_build_query() to be concatenated by the separator & which makes the google server fail to parse the post parameters.

My fix is to force it to use a single '&' in /Validate/Recaptcha.php#L81:

    $queryString = http_build_query([
        'secret'   => $this->_secretKey,
        'response' => $value,
        'remoteIp' => $_SERVER['REMOTE_ADDR']
    ], '', '&');