'. t('Uses the reCAPTCHA web service to improve the CAPTCHA module and protect email addresses. For more information on what reCAPTCHA is, visit the official website.', array('@url' => url('http://www.recaptcha.net'))) . '
'. t('The settings associated with reCAPTCHA can be found in the reCAPTCHA tab, in the CAPTCHA settings. You must set your public and private reCAPTCHA keys in order to use the module. Once the public and private keys are set, visit the CAPTCHA settings, where you can choose where reCAPTCHA should be displayed.', array('@recaptchatab' => url('admin/user/captcha/recaptcha'), '@captchasettings' => url('admin/user/captcha'))) . '
'; break; } return $output; } /** * Implementation of hook_menu(). */ function recaptcha_menu($may_cache) { $items = array(); if ($may_cache) { $items[] = array( 'path' => 'admin/user/captcha/recaptcha', 'title' => t('reCAPTCHA'), 'description' => t('Administer the reCAPTCHA web service.'), 'callback' => 'drupal_get_form', 'callback arguments' => array('recaptcha_admin_settings'), 'access' => user_access('administer recaptcha'), 'type' => MENU_LOCAL_TASK, ); } return $items; } /** * Valid permissions for this module * * @return * An array of valid permissions for the onthisdate module */ function recaptcha_perm() { return array('administer recaptcha'); } /** * Implementation of admin settings(). */ function recaptcha_admin_settings() { require_once('recaptcha.inc'); @(include_once('recaptcha/recaptchalib.php')) or _recaptcha_library_not_found(); $form = array(); $form['recaptcha_public_key'] = array( '#type' => 'textfield', '#title' => t('Public Key'), '#default_value' => variable_get('recaptcha_public_key', ''), '#maxlength' => 40, '#description' => t('The public key given to you when you registered at reCAPTCHA.net.', array('@url' => url(recaptcha_get_signup_url($_SERVER['SERVER_NAME'], variable_get('site_name', ''))))), '#required' => TRUE, ); $form['recaptcha_private_key'] = array( '#type' => 'textfield', '#title' => t('Private Key'), '#default_value' => variable_get('recaptcha_private_key', ''), '#maxlength' => 40, '#description' => t('The private key given to you when you registered at reCAPTCHA.net.', array('@url' => url(recaptcha_get_signup_url($_SERVER['SERVER_NAME'], variable_get('site_name', ''))))), '#required' => TRUE, ); $form['recaptcha_secure_connection'] = array( '#type' => 'checkbox', '#title' => t('Secure Connection'), '#default_value' => variable_get('recaptcha_secure_connection', FALSE), '#description' => t('Connect to the reCAPTCHA server using a secure connection.'), ); $form['recaptcha_theme_settings'] = array( '#type' => 'fieldset', '#title' => t('Theme Settings'), '#collapsible' => TRUE, '#collapsed' => TRUE, ); $form['recaptcha_theme_settings']['recaptcha_theme'] = array( '#type' => 'select', '#title' => t('Theme'), '#description' => t('Defines which theme to use for reCAPTCHA.'), '#options' => array( 'red' => t('Red'), 'white' => t('White'), 'blackglass' => t('Black Glass'), 'clean' => t('Clean'), 'custom' => t('Custom'), ), '#default_value' => variable_get('recaptcha_theme', 'red'), '#required' => TRUE, ); $form['recaptcha_theme_settings']['recaptcha_tabindex'] = array( '#type' => 'textfield', '#title' => t('Tab Index'), '#description' => t('Sets a tabindex for the reCAPTCHA text box. If other elements in the form use a tabindex, this should be set so that navigation is easier for the user.', array('@tabindex' => 'http://www.w3.org/TR/html4/interact/forms.html#adef-tabindex')), '#default_value' => variable_get('recaptcha_tabindex', ''), '#size' => 4, ); return system_settings_form($form); } /** * The validation on the reCAPTCHA administration settings */ function recaptcha_admin_settings_validate($form_id, $form_values) { $tabindex = $form_values['recaptcha_tabindex']; if (!empty($tabindex) && !is_numeric($tabindex)) { form_set_error('recaptcha_tabindex', t('The Tab Index must be an integer.')); } } /** * reCAPTCHA implementation of hook_captcha */ function recaptcha_captcha() { $args = func_get_args(); $op = array_shift($args); switch ($op) { case 'list': return array('reCAPTCHA'); case 'generate': $captcha_type = array_shift($args); $result = array(); if ($captcha_type == 'reCAPTCHA') { require_once('recaptcha.inc'); global $_recaptcha_jsadded; @(include_once('recaptcha/recaptchalib.php')) or _recaptcha_library_not_found(); // Check if reCAPTCHA is available and show Math if not $connect = @fsockopen(RECAPTCHA_VERIFY_SERVER, 80); if (!$connect) { return captcha_captcha('generate', 'Math', $args); } fclose($connect); // close connection // Retrieve configuration variables from database $recaptcha_secure_connection = variable_get('recaptcha_secure_connection', FALSE); $recaptcha_theme = variable_get('recaptcha_theme', 'red'); $recaptcha_tabindex = variable_get('recaptcha_tabindex', NULL); $recaptcha_public_key = variable_get('recaptcha_public_key', ''); $recaptcha_form_value = NULL; // Construct the Javascript if (!isset($_recaptcha_jsadded)) { // only display the javascript once. $_recaptcha_jsadded = TRUE; $js = "var RecaptchaOptions = {theme : '$recaptcha_theme'"; // Add language support. if (module_exists('translation')) { $js .= ", lang:'" . i18n_get_lang() . "'"; } // Add support to display the custom theme if ($recaptcha_theme == 'custom') { $js .= ", custom_theme_widget : 'recaptcha_custom_theme_widget'"; $recaptcha_form_value = theme('recaptcha_custom_widget'); } // Set the default tab index if (!empty($recaptcha_tabindex)) { $js .= ', tabindex : '. $recaptcha_tabindex; } drupal_add_js($js .'};', 'inline'); } // Create the form $result['preprocess'] = TRUE; // tell captcha to preprocess the form $result['solution'] = TRUE; // require TRUE to be returned $result['form']['captcha_challenge'] = array( '#type' => 'item', '#description' => recaptcha_get_html($recaptcha_public_key, NULL, $recaptcha_secure_connection), '#required' => TRUE, '#value' => $recaptcha_form_value ? '