218 lines
8.7 KiB
PHP
218 lines
8.7 KiB
PHP
<?php
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/**
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* @file
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* Honeypot administration forms.
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*/
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/**
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* Honeypot administration page.
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*/
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function honeypot_admin_form($form, &$form_state) {
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// Honeypot Configuration.
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$form['configuration'] = array(
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'#type' => 'fieldset',
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'#title' => t('Honeypot Configuration'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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);
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$form['configuration']['honeypot_protect_all_forms'] = array(
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'#type' => 'checkbox',
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'#title' => t('Protect all forms with Honeypot'),
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'#description' => t('Enable Honeypot protection for ALL forms on this site (it is best to only enable Honeypot for the forms you need below).'),
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'#default_value' => variable_get('honeypot_protect_all_forms', 0),
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);
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if (!variable_get('honeypot_use_js_for_cached_pages', FALSE)) {
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$form['configuration']['honeypot_protect_all_forms']['#description'] .= '<br />' . t('<strong>Page caching will be disabled on any page where a form is present if the Honeypot time limit is not set to 0.</strong>');
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}
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$form['configuration']['honeypot_log'] = array(
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'#type' => 'checkbox',
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'#title' => t('Log blocked form submissions'),
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'#description' => t('Log submissions that are blocked due to Honeypot protection.'),
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'#default_value' => variable_get('honeypot_log', 0),
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);
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$form['configuration']['honeypot_element_name'] = array(
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'#type' => 'textfield',
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'#title' => t('Honeypot element name'),
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'#description' => t("The name of the Honeypot form field. It's usually most effective to use a generic name like email, homepage, or link, but this should be changed if it interferes with fields that are already in your forms. Must not contain spaces or special characters."),
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'#default_value' => variable_get('honeypot_element_name', 'url'),
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'#required' => TRUE,
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'#size' => 30,
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);
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$form['configuration']['honeypot_time_limit'] = array(
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'#type' => 'textfield',
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'#title' => t('Honeypot time limit'),
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'#description' => t('Minimum time required before form should be considered entered by a human instead of a bot. Set to 0 to disable.'),
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'#default_value' => variable_get('honeypot_time_limit', 5),
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'#required' => TRUE,
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'#size' => 5,
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'#field_suffix' => t('seconds'),
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);
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if (!variable_get('honeypot_use_js_for_cached_pages', FALSE)) {
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$form['configuration']['honeypot_time_limit']['#description'] .= '<br />' . t('<strong>Page caching will be disabled if there is a form protected by time limit on the page.</strong>');
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}
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$form['configuration']['honeypot_use_js_for_cached_pages'] = array(
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'#type' => 'checkbox',
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'#title' => t('Use Javascript protection for cacheable pages. (experimental)'),
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'#description' => t('Uses Javascript to preserve Page caching.'),
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'#default_value' => variable_get('honeypot_use_js_for_cached_pages', FALSE),
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'#states' => array(
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// Hide this when time limit is disabled.
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'invisible' => array(
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'input[name="honeypot_time_limit"]' => array('value' => 0),
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),
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),
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);
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$form['configuration']['honeypot_use_js_for_cached_pages']['#description'] .= '<br />' . t('<strong>Warning: Users who have javascript disabled will need to confirm their form submission on the next page (if the Honeypot-enabled form is on a cacheable page).</strong>');
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// Honeypot Enabled forms.
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$form['enabled_forms'] = array(
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'#type' => 'fieldset',
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'#title' => t('Honeypot Enabled Forms'),
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'#description' => t("Check the boxes next to individual forms on which you'd like Honeypot protection enabled."),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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'#states' => array(
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// Hide this fieldset when all forms are protected.
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'invisible' => array(
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'input[name="honeypot_protect_all_forms"]' => array('checked' => TRUE),
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),
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),
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);
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// Generic forms.
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$form['enabled_forms']['general_forms'] = array('#markup' => '<h5>' . t('General Forms') . '</h5>');
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// User register form.
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$form['enabled_forms']['honeypot_form_user_register_form'] = array(
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'#type' => 'checkbox',
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'#title' => t('User Registration form'),
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'#default_value' => variable_get('honeypot_form_user_register_form', 0),
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);
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// User password form.
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$form['enabled_forms']['honeypot_form_user_pass'] = array(
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'#type' => 'checkbox',
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'#title' => t('User Password Reset form'),
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'#default_value' => variable_get('honeypot_form_user_pass', 0),
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);
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// If webform.module enabled, add webforms.
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if (module_exists('webform')) {
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$form['enabled_forms']['honeypot_form_webforms'] = array(
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'#type' => 'checkbox',
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'#title' => t('Webforms (all)'),
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'#default_value' => variable_get('honeypot_form_webforms', 0),
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);
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}
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// If contact.module enabled, add contact forms.
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if (module_exists('contact')) {
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$form['enabled_forms']['contact_forms'] = array('#markup' => '<h5>' . t('Contact Forms') . '</h5>');
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// Sitewide contact form.
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$form['enabled_forms']['honeypot_form_contact_site_form'] = array(
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'#type' => 'checkbox',
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'#title' => t('Sitewide Contact form'),
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'#default_value' => variable_get('honeypot_form_contact_site_form', 0),
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);
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// Sitewide personal form.
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$form['enabled_forms']['honeypot_form_contact_personal_form'] = array(
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'#type' => 'checkbox',
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'#title' => t('Personal Contact forms'),
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'#default_value' => variable_get('honeypot_form_contact_personal_form', 0),
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);
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}
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// If profile.module enabled, add profile forms.
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if (module_exists('profile')) {
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$form['enabled_forms']['profile_forms'] = array('#value' => '<h5>' . t('Profile Forms') . '</h5>');
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$form['enabled_forms']['honeypot_form_user_profile_form'] = array(
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'#type' => 'checkbox',
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'#title' => t('Profile forms (all)'),
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'#default_value' => variable_get('honeypot_form_user_profile_form', 0),
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);
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}
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// Get node types for node forms and node comment forms.
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$types = node_type_get_types();
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if (!empty($types)) {
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// Node forms.
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$form['enabled_forms']['node_forms'] = array('#markup' => '<h5>' . t('Node Forms') . '</h5>');
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foreach ($types as $type) {
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$id = 'honeypot_form_' . $type->type . '_node_form';
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$form['enabled_forms'][$id] = array(
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'#type' => 'checkbox',
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'#title' => t('@name node form', array('@name' => $type->name)),
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'#default_value' => variable_get($id, 0),
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);
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}
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// Comment forms.
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if (module_exists('comment')) {
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$form['enabled_forms']['comment_forms'] = array('#markup' => '<h5>' . t('Comment Forms') . '</h5>');
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foreach ($types as $type) {
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$id = 'honeypot_form_comment_node_' . $type->type . '_form';
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$form['enabled_forms'][$id] = array(
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'#type' => 'checkbox',
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'#title' => t('@name comment form', array('@name' => $type->name)),
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'#default_value' => variable_get($id, 0),
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);
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}
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}
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}
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// Add our own submit handler to clear honeypot's form cache on save.
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$form['#submit'][] = 'honeypot_admin_form_submit';
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return system_settings_form($form);
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}
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/**
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* Validate the admin form.
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*/
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function honeypot_admin_form_validate($form, &$form_state) {
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// Make sure the time limit is a positive integer or 0.
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$time_limit = $form_state['values']['honeypot_time_limit'];
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if ((is_numeric($time_limit) && $time_limit > 0) || $time_limit === '0') {
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if (ctype_digit($time_limit)) {
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// Good to go.
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}
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else {
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form_set_error('honeypot_time_limit', t("The time limit must be a positive integer or 0."));
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}
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}
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else {
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form_set_error('honeypot_time_limit', t("The time limit must be a positive integer or 0."));
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}
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// Make sure Honeypot element name only contains A-Z, 0-9.
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if (!preg_match("/^[-_a-zA-Z0-9]+$/", $form_state['values']['honeypot_element_name'])) {
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form_set_error('honeypot_element_name', t("The element name cannot contain spaces or other special characters."));
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}
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// Make sure Honeypot element name starts with a letter.
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if (!preg_match("/^[a-zA-Z].+$/", $form_state['values']['honeypot_element_name'])) {
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form_set_error('honeypot_element_name', t("The element name must start with a letter."));
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}
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// Make sure Honeypot element name isn't one of the reserved names.
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$reserved_element_names = array(
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'name',
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'pass',
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'website',
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);
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if (in_array($form_state['values']['honeypot_element_name'], $reserved_element_names)) {
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form_set_error('honeypot_element_name', t("The element name cannot match one of the common Drupal form field names (e.g. @names).", array('@names' => implode(', ', $reserved_element_names))));
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}
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}
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/**
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* Honeypot admin form submit callback.
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*/
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function honeypot_admin_form_submit($form, &$form_state) {
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// Create CSS file for honeypot.
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honeypot_create_css($form_state['values']['honeypot_element_name']);
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// Clear the Honeypot form cache on submit.
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cache_clear_all('honeypot_protected_forms', 'cache');
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}
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