721 lines
29 KiB
PHP
721 lines
29 KiB
PHP
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<?php
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/**
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* WP Captcha
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* https://getwpcaptcha.com/
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* (c) WebFactory Ltd, 2022 - 2023, www.webfactoryltd.com
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*/
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class WPCaptcha_Setup extends WPCaptcha
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{
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static $wp_filesystem;
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/**
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* Actions to run on load, but init would be too early as not all classes are initialized
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*
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* @return null
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*/
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static function load_actions()
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{
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self::register_custom_tables();
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} // admin_actions
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static function setup_wp_filesystem()
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{
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global $wp_filesystem;
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if (empty($wp_filesystem)) {
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require_once ABSPATH . '/wp-admin/includes/file.php';
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WP_Filesystem();
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}
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self::$wp_filesystem = $wp_filesystem;
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return self::$wp_filesystem;
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} // setup_wp_filesystem
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/**
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* Check if user has the minimal WP version required by WP Captcha
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*
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* @since 5.0
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*
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* @return bool
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*
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*/
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static function check_wp_version($min_version)
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{
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if (!version_compare(get_bloginfo('version'), $min_version, '>=')) {
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add_action('admin_notices', array(__CLASS__, 'notice_min_wp_version'));
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return false;
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} else {
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return true;
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}
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} // check_wp_version
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/**
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* Check if user has the minimal PHP version required by WP Captcha
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*
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* @since 5.0
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*
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* @return bool
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*
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*/
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static function check_php_version($min_version)
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{
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if (!version_compare(phpversion(), $min_version, '>=')) {
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add_action('admin_notices', array(__CLASS__, 'notice_min_php_version'));
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return false;
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} else {
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return true;
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}
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} // check_wp_version
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/**
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* Display error message if WP version is too low
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*
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* @since 5.0
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*
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* @return null
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*
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*/
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static function notice_min_wp_version()
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{
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WPCaptcha_Utility::wp_kses_wf('<div class="error"><p>' . sprintf(__('WP Captcha plugin <b>requires WordPress version 4.6</b> or higher to function properly. You are using WordPress version %s. Please <a href="%s">update it</a>.', 'advanced-google-recaptcha'), get_bloginfo('version'), admin_url('update-core.php')) . '</p></div>');
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} // notice_min_wp_version_error
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/**
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* Display error message if PHP version is too low
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*
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* @since 5.0
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*
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* @return null
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*
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*/
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static function notice_min_php_version()
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{
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WPCaptcha_Utility::wp_kses_wf('<div class="error"><p>' . sprintf(__('WP Captcha plugin <b>requires PHP version 5.6.20</b> or higher to function properly. You are using PHP version %s. Please <a href="%s" target="_blank">update it</a>.', 'advanced-google-recaptcha'), phpversion(), 'https://wordpress.org/support/update-php/') . '</p></div>');
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} // notice_min_wp_version_error
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/**
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* activate doesn't get fired on upgrades so we have to compensate
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*
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* @since 5.0
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*
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* @return null
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*
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*/
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public static function maybe_upgrade()
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{
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$meta = self::get_meta();
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if (empty($meta['database_ver']) || $meta['database_ver'] < self::$version) {
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self::create_custom_tables();
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}
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// Copy options from free
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$options = get_option(WPCAPTCHA_OPTIONS_KEY);
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if (false === $options) {
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$free_options = get_option("agr_options");
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if (false !== $free_options && isset($free_options['enable_login'])) {
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$options['captcha'] = $free_options['captcha_type'] == 'v3'?'recaptchav3':'recaptchav2';
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$options['captcha_site_key'] = $free_options['site_key'];
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$options['captcha_secret_key'] = $free_options['secret_key'];
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$options['captcha_show_login'] = $free_options['enable_login'];
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$options['captcha_show_wp_registration'] = $free_options['enable_register'];
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$options['captcha_show_wp_lost_password'] = $free_options['enable_lost_password'];
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$options['captcha_show_wp_comment'] = $free_options['enable_comment_form'];
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$options['captcha_show_woo_registration'] = $free_options['enable_woo_register'];
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$options['captcha_show_woo_checkout'] = $free_options['enable_woo_checkout'];
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$options['captcha_show_edd_registration'] = $free_options['enable_edd_register'];
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$options['captcha_show_bp_registration'] = $free_options['enable_bp_register'];
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update_option(WPCAPTCHA_OPTIONS_KEY, $options);
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///delete_option("agr_options");
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}
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}
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} // maybe_upgrade
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/**
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* Get plugin options
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*
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* @since 5.0
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*
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* @return array options
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*
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*/
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static function get_options()
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{
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$options = get_option(WPCAPTCHA_OPTIONS_KEY, array());
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if (!is_array($options)) {
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$options = array();
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}
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$options = array_merge(self::default_options(), $options);
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return $options;
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} // get_options
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/**
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* Register all settings
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*
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* @since 5.0
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*
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* @return false
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*
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*/
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static function register_settings()
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{
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register_setting(WPCAPTCHA_OPTIONS_KEY, WPCAPTCHA_OPTIONS_KEY, array(__CLASS__, 'sanitize_settings'));
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} // register_settings
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/**
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* Set default options
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*
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* @since 5.0
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*
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* @return null
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*
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*/
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static function default_options()
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{
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$defaults = array(
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'login_protection' => 0,
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'max_login_retries' => 3,
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'retries_within' => 5,
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'lockout_length' => 60,
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'lockout_invalid_usernames' => 1,
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'mask_login_errors' => 0,
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'show_credit_link' => 0,
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'anonymous_logging' => 0,
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'block_bots' => 0,
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'log_passwords' => 0,
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'instant_block_nonusers' => 0,
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'cookie_lifetime' => 14,
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'country_blocking_mode' => 'none',
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'country_blocking_countries' => '',
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'block_undetermined_countries' => 0,
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'captcha' => 'disabled',
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'captcha_secret_key' => '',
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'captcha_site_key' => '',
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'captcha_show_login' => 1,
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'captcha_show_wp_registration' => 1,
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'captcha_show_wp_lost_password' => 1,
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'captcha_show_wp_comment' => 1,
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'captcha_show_woo_registration' => 0,
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'captcha_show_woo_checkout' => 0,
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'captcha_show_edd_registration' => 0,
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'captcha_show_bp_registration' => 0,
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'login_url' => '',
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'login_redirect_url' => '',
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'global_block' => 0,
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'country_global_block' => 0,
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'uninstall_delete' => 0,
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'block_message' => 'We\'re sorry, but your IP has been blocked due to too many recent failed login attempts.',
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'block_message_country' => 'We\'re sorry, but access from your location is not allowed.',
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'global_unblock_key' => 'll' . md5(time() . rand(10000, 9999)),
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'whitelist' => array(),
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'firewall_block_bots' => 0,
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'firewall_directory_traversal' => 0,
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'design_enable' => 0,
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'design_template' => 'orange',
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'design_background_color' => '',
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'design_background_image' => '',
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'design_logo' => '',
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'design_logo_url' => '',
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'design_logo_width' => '',
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'design_logo_height' => '',
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'design_logo_margin_bottom' => '',
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'design_text_color' => '#3c434a',
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'design_link_color' => '#2271b1',
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'design_link_hover_color' => '#135e96',
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'design_form_border_color' => '#FFFFFF',
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'design_form_border_width' => 1,
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'design_form_width' => '',
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'design_form_width' => '',
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'design_form_height' => '',
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'design_form_padding' => 26,
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'design_form_border_radius' => 2,
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'design_form_background_color' => '',
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'design_form_background_image' => '',
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'design_label_font_size' => 14,
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'design_label_text_color' => '#3c434a',
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'design_field_font_size' => 13,
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'design_field_text_color' => '#3c434a',
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'design_field_border_color' => '#8c8f94',
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'design_field_border_width' => 1,
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'design_field_border_radius' => 2,
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'design_field_background_color' => '#ffffff',
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'design_button_font_size' => 14,
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'design_button_text_color' => '',
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'design_button_border_color' => '#2271b1',
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'design_button_border_width' => 0,
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'design_button_border_radius' => 2,
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'design_button_background_color' => '#2271b1',
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'design_button_hover_text_color' => '',
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'design_button_hover_border_color' => '',
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'design_button_hover_background_color' => '',
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'design_custom_css' => ''
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);
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return $defaults;
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} // default_options
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/**
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* Sanitize settings on save
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*
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* @since 5.0
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*
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* @return array updated options
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*
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*/
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static function sanitize_settings($options)
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{
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$old_options = self::get_options();
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if (isset($options['captcha_verified']) && $options['captcha_verified'] != 1 && $options['captcha'] != 'disabled') {
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$options['captcha'] = $old_options['captcha'];
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$options['captcha_site_key'] = $old_options['captcha_site_key'];
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$options['captcha_secret_key'] = $old_options['captcha_secret_key'];
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}
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if (isset($options['captcha']) && ($options['captcha'] == 'disabled' || $options['captcha'] == 'builtin')) {
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$options['captcha_site_key'] = '';
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$options['captcha_secret_key'] = '';
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}
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if (isset($_POST['submit'])) {
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foreach ($options as $key => $value) {
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switch ($key) {
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case 'lockout_invalid_usernames':
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case 'mask_login_errors':
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case 'show_credit_link':
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$options[$key] = trim($value);
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break;
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case 'max_login_retries':
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case 'retries_within':
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case 'lockout_length':
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$options[$key] = (int) $value;
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break;
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} // switch
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} // foreach
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}
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if (!isset($options['login_protection'])) {
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$options['login_protection'] = 0;
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}
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if (!isset($options['lockout_invalid_usernames'])) {
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$options['lockout_invalid_usernames'] = 0;
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}
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if (!isset($options['mask_login_errors'])) {
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$options['mask_login_errors'] = 0;
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}
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if (!isset($options['anonymous_logging'])) {
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$options['anonymous_logging'] = 0;
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}
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if (!isset($options['block_bots'])) {
|
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$options['block_bots'] = 0;
|
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}
|
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if (!isset($options['instant_block_nonusers'])) {
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$options['instant_block_nonusers'] = 0;
|
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}
|
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if (!isset($options['country_blocking_mode'])) {
|
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$options['country_blocking_mode'] = 0;
|
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}
|
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if (!isset($options['block_undetermined_countries'])) {
|
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$options['block_undetermined_countries'] = 0;
|
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}
|
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if (!isset($options['global_block'])) {
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$options['global_block'] = 0;
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}
|
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if (!isset($options['country_global_block'])) {
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$options['country_global_block'] = 0;
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}
|
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if (!isset($options['uninstall_delete'])) {
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$options['uninstall_delete'] = 0;
|
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}
|
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if (!isset($options['show_credit_link'])) {
|
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$options['show_credit_link'] = 0;
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}
|
||
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if (!isset($options['firewall_block_bots'])) {
|
||
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$options['firewall_block_bots'] = 0;
|
||
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}
|
||
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||
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if (!isset($options['firewall_directory_traversal'])) {
|
||
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$options['firewall_directory_traversal'] = 0;
|
||
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}
|
||
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||
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if (!isset($options['log_passwords'])) {
|
||
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$options['log_passwords'] = 0;
|
||
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}
|
||
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|
||
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if (!isset($options['captcha_show_login'])) {
|
||
|
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$options['captcha_show_login'] = 0;
|
||
|
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}
|
||
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|
||
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if (!isset($options['captcha_show_wp_registration'])) {
|
||
|
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$options['captcha_show_wp_registration'] = 0;
|
||
|
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}
|
||
|
|
|
||
|
|
if (!isset($options['captcha_show_wp_lost_password'])) {
|
||
|
|
$options['captcha_show_wp_lost_password'] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($options['captcha_show_wp_comment'])) {
|
||
|
|
$options['captcha_show_wp_comment'] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($options['captcha_show_woo_registration'])) {
|
||
|
|
$options['captcha_show_woo_registration'] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($options['captcha_show_woo_checkout'])) {
|
||
|
|
$options['captcha_show_woo_checkout'] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($options['design_enable'])) {
|
||
|
|
$options['design_enable'] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($options['captcha_show_edd_registration'])) {
|
||
|
|
$options['captcha_show_edd_registration'] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($options['captcha_show_bp_registration'])) {
|
||
|
|
$options['captcha_show_bp_registration'] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($_POST['wpcaptcha_import_file'])) {
|
||
|
|
$mimes = array(
|
||
|
|
'text/plain',
|
||
|
|
'text/anytext',
|
||
|
|
'application/txt'
|
||
|
|
);
|
||
|
|
|
||
|
|
if (!in_array($_FILES['wpcaptcha_import_file']['type'], $mimes)) {
|
||
|
|
WPCaptcha_Utility::display_notice(
|
||
|
|
sprintf(
|
||
|
|
"WARNING: Not a valid CSV file - the Mime Type '%s' is wrong! No settings have been imported.",
|
||
|
|
$_FILES['wpcaptcha_import_file']['type']
|
||
|
|
),
|
||
|
|
"error"
|
||
|
|
);
|
||
|
|
} else if (($handle = fopen($_FILES['wpcaptcha_import_file']['tmp_name'], "r")) !== false) {
|
||
|
|
$options_json = json_decode(fread($handle, 8192), ARRAY_A);
|
||
|
|
|
||
|
|
if (is_array($options_json) && array_key_exists('max_login_retries', $options_json) && array_key_exists('retries_within', $options_json) && array_key_exists('lockout_length', $options_json)) {
|
||
|
|
$options = $options_json;
|
||
|
|
WPCaptcha_Utility::display_notice("Settings have been imported.", "success");
|
||
|
|
} else {
|
||
|
|
WPCaptcha_Utility::display_notice("Invalid import file! No settings have been imported.", "error");
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
WPCaptcha_Utility::display_notice("Invalid import file! No settings have been imported.", "error");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($old_options['firewall_block_bots'] != $options['firewall_block_bots'] || $old_options['firewall_directory_traversal'] != $options['firewall_directory_traversal']) {
|
||
|
|
self::firewall_setup($options);
|
||
|
|
}
|
||
|
|
|
||
|
|
WPCaptcha_Utility::clear_3rdparty_cache();
|
||
|
|
$options['last_options_edit'] = current_time('mysql', true);
|
||
|
|
|
||
|
|
return array_merge($old_options, $options);
|
||
|
|
} // sanitize_settings
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get plugin metadata
|
||
|
|
*
|
||
|
|
* @since 5.0
|
||
|
|
*
|
||
|
|
* @return array meta
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
static function get_meta()
|
||
|
|
{
|
||
|
|
$meta = get_option(WPCAPTCHA_META_KEY, array());
|
||
|
|
|
||
|
|
if (!is_array($meta) || empty($meta)) {
|
||
|
|
$meta['first_version'] = self::get_plugin_version();
|
||
|
|
$meta['first_install'] = current_time('timestamp');
|
||
|
|
update_option(WPCAPTCHA_META_KEY, $meta);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $meta;
|
||
|
|
} // get_meta
|
||
|
|
|
||
|
|
static function update_meta($key, $value)
|
||
|
|
{
|
||
|
|
$meta = get_option(WPCAPTCHA_META_KEY, array());
|
||
|
|
$meta[$key] = $value;
|
||
|
|
update_option(WPCAPTCHA_META_KEY, $meta);
|
||
|
|
} // update_meta
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register custom tables
|
||
|
|
*
|
||
|
|
* @since 5.0
|
||
|
|
*
|
||
|
|
* @return null
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
static function register_custom_tables()
|
||
|
|
{
|
||
|
|
global $wpdb;
|
||
|
|
|
||
|
|
$wpdb->wpcatcha_login_fails = $wpdb->prefix . 'wpc_login_fails';
|
||
|
|
$wpdb->wpcatcha_accesslocks = $wpdb->prefix . 'wpc_accesslocks';
|
||
|
|
} // register_custom_tables
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create custom tables
|
||
|
|
*
|
||
|
|
* @since 5.0
|
||
|
|
*
|
||
|
|
* @return null
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
static function create_custom_tables()
|
||
|
|
{
|
||
|
|
global $wpdb;
|
||
|
|
require_once ABSPATH . 'wp-admin/includes/upgrade.php';
|
||
|
|
|
||
|
|
self::register_custom_tables();
|
||
|
|
|
||
|
|
$wpcaptcha_login_fails = "CREATE TABLE " . $wpdb->wpcatcha_login_fails . " (
|
||
|
|
`login_attempt_ID` bigint(20) NOT NULL AUTO_INCREMENT,
|
||
|
|
`user_id` bigint(20) NOT NULL,
|
||
|
|
`login_attempt_date` datetime NOT NULL default '0000-00-00 00:00:00',
|
||
|
|
`login_attempt_IP` varchar(100) NOT NULL default '',
|
||
|
|
`failed_user` varchar(200) NOT NULL default '',
|
||
|
|
`failed_pass` varchar(200) NOT NULL default '',
|
||
|
|
`reason` varchar(200) NULL,
|
||
|
|
PRIMARY KEY (`login_attempt_ID`)
|
||
|
|
);";
|
||
|
|
dbDelta($wpcaptcha_login_fails);
|
||
|
|
|
||
|
|
$wpcaptcha_accesslocks = "CREATE TABLE " . $wpdb->wpcatcha_accesslocks . " (
|
||
|
|
`accesslock_ID` bigint(20) NOT NULL AUTO_INCREMENT,
|
||
|
|
`user_id` bigint(20) NOT NULL,
|
||
|
|
`accesslock_date` datetime NOT NULL default '0000-00-00 00:00:00',
|
||
|
|
`release_date` datetime NOT NULL default '0000-00-00 00:00:00',
|
||
|
|
`accesslock_IP` varchar(100) NOT NULL default '',
|
||
|
|
`reason` varchar(200) NULL,
|
||
|
|
`unlocked` smallint(20) NOT NULL default '0',
|
||
|
|
PRIMARY KEY (`accesslock_ID`)
|
||
|
|
);";
|
||
|
|
dbDelta($wpcaptcha_accesslocks);
|
||
|
|
|
||
|
|
self::update_meta('database_ver', self::$version);
|
||
|
|
} // create_custom_tables
|
||
|
|
|
||
|
|
|
||
|
|
static function firewall_setup($options = false)
|
||
|
|
{
|
||
|
|
self::setup_wp_filesystem();
|
||
|
|
self::firewall_remove_rules();
|
||
|
|
|
||
|
|
if (false === $options) {
|
||
|
|
$options = get_option(WPCAPTCHA_OPTIONS_KEY, array());
|
||
|
|
}
|
||
|
|
|
||
|
|
$htaccess = self::$wp_filesystem->get_contents(WPCaptcha_Utility::get_home_path() . '.htaccess');
|
||
|
|
|
||
|
|
$firewall_rules = [];
|
||
|
|
$firewall_rules[] = '# BEGIN WP Captcha Firewall';
|
||
|
|
|
||
|
|
if ($options['firewall_block_bots']) {
|
||
|
|
$firewall_rules[] = '<IfModule mod_rewrite.c>';
|
||
|
|
|
||
|
|
$firewall_rules[] = 'RewriteCond %{HTTP_USER_AGENT} (ahrefs|alexibot|majestic|mj12bot|rogerbot) [NC,OR]';
|
||
|
|
$firewall_rules[] = 'RewriteCond %{HTTP_USER_AGENT} (econtext|eolasbot|eventures|liebaofast|nominet|oppo\sa33) [NC,OR]';
|
||
|
|
$firewall_rules[] = 'RewriteCond %{HTTP_USER_AGENT} (ahrefs|alexibot|majestic|mj12bot|rogerbot) [NC,OR]';
|
||
|
|
$firewall_rules[] = 'RewriteCond %{HTTP_USER_AGENT} (econtext|eolasbot|eventures|liebaofast|nominet|oppo\sa33) [NC,OR]';
|
||
|
|
$firewall_rules[] = 'RewriteCond %{HTTP_USER_AGENT} (acapbot|acoonbot|asterias|attackbot|backdorbot|becomebot|binlar|blackwidow|blekkobot|blexbot|blowfish|bullseye|bunnys|butterfly|careerbot|casper|checkpriv|cheesebot|cherrypick|chinaclaw|choppy|clshttp|cmsworld|copernic|copyrightcheck|cosmos|crescent|cy_cho|datacha|demon|diavol|discobot|dittospyder|dotbot|dotnetdotcom|dumbot|emailcollector|emailsiphon|emailwolf|extract|eyenetie|feedfinder|flaming|flashget|flicky|foobot|g00g1e|getright|gigabot|go-ahead-got|gozilla|grabnet|grafula|harvest|heritrix|httrack|icarus6j|jetbot|jetcar|jikespider|kmccrew|leechftp|libweb|linkextractor|linkscan|linkwalker|loader|masscan|miner|mechanize|morfeus|moveoverbot|netmechanic|netspider|nicerspro|nikto|ninja|nutch|octopus|pagegrabber|petalbot|planetwork|postrank|proximic|purebot|pycurl|python|queryn|queryseeker|radian6|radiation|realdownload|scooter|seekerspider|semalt|siclab|sindice|sistrix|sitebot|siteexplorer|sitesnagger|skygrid|smartdownload|snoopy|sosospider|spankbot|spbot|sqlmap|stackrambler|stripper|sucker|surftbot|sux0r|suzukacz|suzuran|takeout|teleport|telesoft|true_robots|turingos|turnit|vampire|vikspider|voideye|webleacher|webreaper|webstripper|webvac|webviewer|webwhacker|winhttp|wwwoffle|woxbot|xaldon|xxxyy|yamanalab|yioopbot|youda|zeus|zmeu|zune|zyborg) [NC]';
|
||
|
|
|
||
|
|
$firewall_rules[] = 'RewriteCond %{REMOTE_HOST} (163data|amazonaws|colocrossing|crimea|g00g1e|justhost|kanagawa|loopia|masterhost|onlinehome|poneytel|sprintdatacenter|reverse.softlayer|safenet|ttnet|woodpecker|wowrack) [NC]';
|
||
|
|
|
||
|
|
$firewall_rules[] = 'RewriteCond %{HTTP_REFERER} (semalt\.com|todaperfeita) [NC,OR]';
|
||
|
|
$firewall_rules[] = 'RewriteCond %{HTTP_REFERER} (blue\spill|cocaine|ejaculat|erectile|erections|hoodia|huronriveracres|impotence|levitra|libido|lipitor|phentermin|pro[sz]ac|sandyauer|tramadol|troyhamby|ultram|unicauca|valium|viagra|vicodin|xanax|ypxaieo) [NC]';
|
||
|
|
|
||
|
|
$firewall_rules[] = 'RewriteRule .* - [F,L]';
|
||
|
|
$firewall_rules[] = '</IfModule>';
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($options['firewall_directory_traversal']) {
|
||
|
|
$firewall_rules[] = '<IfModule mod_rewrite.c>';
|
||
|
|
|
||
|
|
$firewall_rules[] = 'RewriteCond %{QUERY_STRING} (((/|%2f){3,3})|((\.|%2e){3,3})|((\.|%2e){2,2})(/|%2f|%u2215)) [NC,OR]';
|
||
|
|
$firewall_rules[] = 'RewriteCond %{QUERY_STRING} (/|%2f)(:|%3a)(/|%2f) [NC,OR]';
|
||
|
|
$firewall_rules[] = 'RewriteCond %{QUERY_STRING} (/|%2f)(\*|%2a)(\*|%2a)(/|%2f) [NC,OR]';
|
||
|
|
$firewall_rules[] = 'RewriteCond %{QUERY_STRING} (absolute_|base|root_)(dir|path)(=|%3d)(ftp|https?) [NC,OR]';
|
||
|
|
$firewall_rules[] = 'RewriteCond %{QUERY_STRING} (/|%2f)(=|%3d|$&|_mm|cgi(\.|-)|inurl(:|%3a)(/|%2f)|(mod|path)(=|%3d)(\.|%2e)) [NC,OR]';
|
||
|
|
|
||
|
|
$firewall_rules[] = 'RewriteCond %{REQUEST_URI} (\^|`|<|>|\\\\|\|) [NC,OR]';
|
||
|
|
$firewall_rules[] = 'RewriteCond %{REQUEST_URI} ([a-z0-9]{2000,}) [NC]';
|
||
|
|
|
||
|
|
$firewall_rules[] = 'RewriteRule .* - [F,L]';
|
||
|
|
$firewall_rules[] = '</IfModule>';
|
||
|
|
}
|
||
|
|
|
||
|
|
$firewall_rules[] = '# END WP Captcha Firewall';
|
||
|
|
|
||
|
|
$htaccess = implode(PHP_EOL, $firewall_rules) . PHP_EOL . $htaccess;
|
||
|
|
|
||
|
|
if (count($firewall_rules) > 2) {
|
||
|
|
$firewall_test = self::firewall_test_htaccess($htaccess);
|
||
|
|
if (is_wp_error($firewall_test)) {
|
||
|
|
WPCaptcha_Utility::display_notice(
|
||
|
|
$firewall_test->get_error_message(),
|
||
|
|
"error"
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
self::$wp_filesystem->put_contents(WPCaptcha_Utility::get_home_path() . '.htaccess', $htaccess);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static function firewall_test_htaccess($new_content)
|
||
|
|
{
|
||
|
|
$uploads_directory = wp_upload_dir();
|
||
|
|
$test_id = rand(1000, 9999);
|
||
|
|
$htaccess_test_folder = $uploads_directory['basedir'] . '/htaccess-test-' . $test_id . '/';
|
||
|
|
$htaccess_test_url = $uploads_directory['baseurl'] . '/htaccess-test-' . $test_id . '/';
|
||
|
|
|
||
|
|
// Create test directory and files
|
||
|
|
if (!self::$wp_filesystem->is_dir($htaccess_test_folder)) {
|
||
|
|
if (true !== self::$wp_filesystem->mkdir($htaccess_test_folder, 0777)) {
|
||
|
|
return new WP_Error('firewall_failed', 'Failed to create test directory. Please check that your uploads folder is writable.', false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (true !== self::$wp_filesystem->put_contents($htaccess_test_folder . 'index.html', 'htaccess-test-' . $test_id)) {
|
||
|
|
return new WP_Error('firewall_failed', 'Failed to create test files. Please check that your uploads folder is writable.', false);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (true !== self::$wp_filesystem->put_contents($htaccess_test_folder . '.htaccess', $new_content)) {
|
||
|
|
return new WP_Error('firewall_failed', 'Failed to create test directory and files. Please check that your uploads folder is writeable.', false);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Retrieve test file over http
|
||
|
|
$response = wp_remote_get($htaccess_test_url . 'index.html', array('sslverify' => false, 'redirection' => 0));
|
||
|
|
$response_code = wp_remote_retrieve_response_code($response);
|
||
|
|
|
||
|
|
// Remove Test Directory
|
||
|
|
self::$wp_filesystem->delete($htaccess_test_folder . '.htaccess');
|
||
|
|
self::$wp_filesystem->delete($htaccess_test_folder . 'index.html');
|
||
|
|
self::$wp_filesystem->rmdir($htaccess_test_folder);
|
||
|
|
|
||
|
|
// Check if test file content is what we expect
|
||
|
|
if ((in_array($response_code, range(200, 299)) && !is_wp_error($response) && wp_remote_retrieve_body($response) == 'htaccess-test-' . $test_id) || (in_array($response_code, range(300, 399)) && !is_wp_error($response))) {
|
||
|
|
return true;
|
||
|
|
} else {
|
||
|
|
return new WP_Error('firewall_failed', 'Unfortunately it looks like installing these firewall rules could cause your entire site, including the admin, to become inaccessible. Fix the errors before saving', false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static function firewall_remove_rules()
|
||
|
|
{
|
||
|
|
|
||
|
|
if (self::$wp_filesystem->is_writable(WPCaptcha_Utility::get_home_path() . '.htaccess')) {
|
||
|
|
|
||
|
|
$htaccess_rules = self::$wp_filesystem->get_contents(WPCaptcha_Utility::get_home_path() . '.htaccess');
|
||
|
|
|
||
|
|
if ($htaccess_rules) {
|
||
|
|
$htaccess_rules = explode(PHP_EOL, $htaccess_rules);
|
||
|
|
$found = false;
|
||
|
|
$new_content = '';
|
||
|
|
|
||
|
|
foreach ($htaccess_rules as $htaccess_rule) {
|
||
|
|
if ($htaccess_rule == '# BEGIN WP Captcha Firewall') {
|
||
|
|
$found = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$found) {
|
||
|
|
$new_content .= $htaccess_rule . PHP_EOL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($htaccess_rule == '# END WP Captcha Firewall') {
|
||
|
|
$found = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$new_content = trim($new_content, PHP_EOL);
|
||
|
|
|
||
|
|
$f = @fopen(WPCaptcha_Utility::get_home_path() . '.htaccess', 'w');
|
||
|
|
self::$wp_filesystem->put_contents(WPCaptcha_Utility::get_home_path() . '.htaccess', $new_content);
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Actions on plugin activation
|
||
|
|
*
|
||
|
|
* @since 5.0
|
||
|
|
*
|
||
|
|
* @return null
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
static function activate()
|
||
|
|
{
|
||
|
|
self::create_custom_tables();
|
||
|
|
WPCaptcha_Admin::reset_pointers();
|
||
|
|
} // activate
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Actions on plugin deactivaiton
|
||
|
|
*
|
||
|
|
* @since 5.0
|
||
|
|
*
|
||
|
|
* @return null
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
static function deactivate()
|
||
|
|
{
|
||
|
|
} // deactivate
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Actions on plugin uninstall
|
||
|
|
*
|
||
|
|
* @since 5.0
|
||
|
|
*
|
||
|
|
* @return null
|
||
|
|
*/
|
||
|
|
static function uninstall()
|
||
|
|
{
|
||
|
|
global $wpdb;
|
||
|
|
|
||
|
|
$options = get_option(WPCAPTCHA_OPTIONS_KEY, array());
|
||
|
|
|
||
|
|
if ($options['uninstall_delete'] == '1') {
|
||
|
|
delete_option(WPCAPTCHA_OPTIONS_KEY);
|
||
|
|
delete_option(WPCAPTCHA_META_KEY);
|
||
|
|
delete_option(WPCAPTCHA_POINTERS_KEY);
|
||
|
|
delete_option(WPCAPTCHA_NOTICES_KEY);
|
||
|
|
|
||
|
|
$wpdb->query("DROP TABLE IF EXISTS " . $wpdb->prefix . "wpc_login_fails");
|
||
|
|
$wpdb->query("DROP TABLE IF EXISTS " . $wpdb->prefix . "wpc_accesslocks");
|
||
|
|
}
|
||
|
|
} // uninstall
|
||
|
|
} // class
|