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<?php
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/**
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* @file
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* Provides the Google No CAPTCHA administration settings.
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*/
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/**
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* Form callback; administrative settings for Google No CAPTCHA.
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*/
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function recaptcha_admin_settings() {
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$form['recaptcha_general_settings'] = array(
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'#type' => 'fieldset',
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'#title' => t('General settings'),
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);
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$form['recaptcha_general_settings']['recaptcha_site_key'] = array(
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'#type' => 'textfield',
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'#title' => t('Site key'),
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'#default_value' => variable_get('recaptcha_site_key', ''),
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'#maxlength' => 40,
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'#description' => t('The site key given to you when you <a href="@url">register for reCAPTCHA</a>.', array('@url' => 'http://www.google.com/recaptcha/admin')),
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'#required' => TRUE,
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);
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$form['recaptcha_general_settings']['recaptcha_secret_key'] = array(
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'#type' => 'textfield',
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'#title' => t('Secret key'),
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'#default_value' => variable_get('recaptcha_secret_key', ''),
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'#maxlength' => 40,
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'#description' => t('The secret key given to you when you <a href="@url">register for reCAPTCHA</a>.', array('@url' => 'http://www.google.com/recaptcha/admin')),
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'#required' => TRUE,
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);
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$form['recaptcha_widget_settings'] = array(
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'#type' => 'fieldset',
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'#title' => t('Widget settings'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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);
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$form['recaptcha_widget_settings']['recaptcha_theme'] = array(
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'#type' => 'select',
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'#title' => t('Theme'),
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'#description' => t('Defines which theme to use for reCAPTCHA.'),
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'#options' => array(
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'light' => t('Light (default)'),
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'dark' => t('Dark'),
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),
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'#default_value' => variable_get('recaptcha_theme', 'light'),
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);
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$form['recaptcha_widget_settings']['recaptcha_type'] = array(
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'#type' => 'select',
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'#title' => t('Type'),
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'#description' => t('The type of CAPTCHA to serve.'),
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'#options' => array(
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'image' => t('Image (default)'),
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'audio' => t('Audio'),
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),
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'#default_value' => variable_get('recaptcha_type', 'image'),
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);
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$form['recaptcha_widget_settings']['recaptcha_size'] = array(
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'#default_value' => variable_get('recaptcha_size', ''),
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'#description' => t('The size of CAPTCHA to serve.'),
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'#options' => array(
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'' => t('Normal (default)'),
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'compact' => t('Compact'),
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),
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'#title' => t('Size'),
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'#type' => 'select',
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);
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$form['recaptcha_widget_settings']['recaptcha_tabindex'] = array(
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'#type' => 'textfield',
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'#title' => t('Tabindex'),
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'#description' => t('Set the <a href="@tabindex">tabindex</a> of the widget and challenge (Default = 0). If other elements in your page use tabindex, it should be set to make user navigation easier.', array('@tabindex' => 'http://www.w3.org/TR/html4/interact/forms.html#adef-tabindex')),
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'#default_value' => variable_get('recaptcha_tabindex', 0),
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'#size' => 4,
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);
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$form['recaptcha_widget_settings']['recaptcha_noscript'] = array(
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'#type' => 'checkbox',
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'#title' => t('Enable fallback for browsers with JavaScript disabled'),
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'#default_value' => variable_get('recaptcha_noscript', 0),
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'#description' => t('If JavaScript is a requirement for your site, you should <strong>not</strong> enable this feature. With this enabled, a compatibility layer will be added to the captcha to support non-js users.'),
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);
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return system_settings_form($form);
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}
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/**
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* Validation function for recaptcha_admin_settings().
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*
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* @see recaptcha_admin_settings()
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*/
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function recaptcha_admin_settings_validate($form, &$form_state) {
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$tabindex = $form_state['values']['recaptcha_tabindex'];
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if (!is_numeric($tabindex)) {
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form_set_error('recaptcha_tabindex', t('The tabindex must be an integer.'));
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}
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}
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