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<?php
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/**
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* @file
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* Provides the reCAPTCHA administration settings.
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*/
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/**
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* Form callback; administrative settings for reCaptcha.
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*/
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function recaptcha_admin_settings() {
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// Load the recaptcha library. Error if library does not load.
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if (!_recaptcha_load_library()) {
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drupal_set_message(t('Error loading recaptchalib.'), 'error');
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return FALSE;
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}
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$form = array();
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$form['recaptcha_public_key'] = array(
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'#type' => 'textfield',
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'#title' => t('Public Key'),
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'#default_value' => variable_get('recaptcha_public_key', ''),
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'#maxlength' => 40,
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'#description' => t('The public key given to you when you <a href="@url" target="_blank">register for reCAPTCHA</a>.', array('@url' => url(recaptcha_get_signup_url($_SERVER['SERVER_NAME'], variable_get('site_name', ''))))),
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'#required' => TRUE,
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);
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$form['recaptcha_private_key'] = array(
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'#type' => 'textfield',
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'#title' => t('Private Key'),
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'#default_value' => variable_get('recaptcha_private_key', ''),
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'#maxlength' => 40,
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'#description' => t('The private key given to you when you <a href="@url" target="_blank">register for reCAPTCHA</a>.', array('@url' => url(recaptcha_get_signup_url($_SERVER['SERVER_NAME'], variable_get('site_name', ''))))),
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'#required' => TRUE,
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);
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$form['recaptcha_server_status_check_interval'] = array(
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'#type' => 'textfield',
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'#title' => t('Captcha server check interval'),
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'#default_value' => variable_get('recaptcha_server_status_check_interval', 5),
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'#description' => t('Number of minutes to cache reCAPTCHA server status.'),
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'#size' => 10,
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);
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$form['recaptcha_ajax_api'] = array(
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'#type' => 'checkbox',
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'#title' => t('AJAX API'),
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'#default_value' => variable_get('recaptcha_ajax_api', FALSE),
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'#description' => t('Use the AJAX API to display reCAPTCHA.'),
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);
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$form['recaptcha_nocookies'] = array(
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'#type' => 'checkbox',
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'#title' => t('Disable Client-Side Cookies'),
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'#default_value' => variable_get('recaptcha_nocookies', FALSE),
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'#description' => t('Add flag to disable third-party cookies set by reCAPTCHA.'),
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);
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$form['recaptcha_theme_settings'] = array(
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'#type' => 'fieldset',
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'#title' => t('Theme Settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['recaptcha_theme_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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'red' => t('Red'),
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'white' => t('White'),
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'blackglass' => t('Black Glass'),
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'clean' => t('Clean'),
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'custom' => t('Custom'),
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),
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'#default_value' => variable_get('recaptcha_theme', 'red'),
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'#required' => TRUE,
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);
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$form['recaptcha_theme_settings']['recaptcha_tabindex'] = array(
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'#type' => 'textfield',
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'#title' => t('Tab Index'),
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'#description' => t('Sets a <a href="@tabindex" target="_blank">tabindex</a> for the reCAPTCHA text box. If other elements in the form use a tabindex, this should be set so that navigation is easier for the user.', array('@tabindex' => 'http://www.w3.org/TR/html4/interact/forms.html#adef-tabindex')),
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'#default_value' => variable_get('recaptcha_tabindex', ''),
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'#size' => 4,
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);
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return system_settings_form($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 = $form_state['values']['recaptcha_tabindex'];
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if (!empty($tabindex) && !is_numeric($tabindex)) {
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form_set_error('recaptcha_tabindex', t('The Tab Index must be an integer.'));
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}
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}
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