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<?php /** * Responsible for disabling track backs and ping backs on a WordPress site. * * @package WP_Defender\Component\Security_Tweaks */ namespace WP_Defender\Component\Security_Tweaks; use WP_Error; /** * Handles the implementation of the disable track back security tweak. */ class Disable_Trackback extends Abstract_Security_Tweaks { /** * Slug identifier for the component. * * @var string */ public string $slug = 'disable-trackback'; /** * Indicates whether the trackback disable issue has been resolved. * * @var bool */ public $resolved = false; /** * Check whether the issue has been resolved or not. * * @return bool */ public function check() { return $this->resolved; } /** * Here is the code for processing, if the return is true, we add it to resolve list, WP_Error if any error. * * @return bool|WP_Error */ public function process() { return $this->update_site_trackback(); } /** * This is for un-do stuff that has be done in @process. * * @return bool */ public function revert() { return $this->update_site_trackback( true ); } /** * Update site ping status and pingback flag. * * @param bool $revert Set true to revert changes. Default value: false. * * @return bool */ private function update_site_trackback( $revert = false ) { global $wpdb; $flag = $revert ? 1 : 0; $status = $revert ? 'open' : 'closed'; $ping_status = 'default_ping_status'; $pingback_flag = 'default_pingback_flag'; if ( ! is_multisite() ) { update_option( $ping_status, $status ); update_option( $pingback_flag, $flag ); $this->change_posts_ping_status( $wpdb, $revert ); return true; } $blog_ids = wp_list_pluck( get_sites(), 'blog_id' ); foreach ( $blog_ids as $blog_id ) { update_blog_option( $blog_id, $ping_status, $status ); update_blog_option( $blog_id, $pingback_flag, $flag ); $this->change_posts_ping_status( $wpdb, $revert, $blog_id ); } return true; } /** * Update the post ping status. * * @param mixed $wpdb WordPress DB object. * @param bool $revert Set to true to revert changes. * @param int $blog_id The blog id if multisite. * * @return void */ private function change_posts_ping_status( $wpdb, $revert = false, $blog_id = 0 ) { $ping_status = $revert ? 'open' : 'closed'; $post_type_to_ignore = array( 'wd_ip_lockout', 'wd_iplockout_log' ); $post_type_to_ignore = "'" . implode( "','", $post_type_to_ignore ) . "'"; if ( $blog_id ) { $wpdb->set_blog_id( $blog_id ); $wpdb->query( // phpcs:ignore WordPress.DB.DirectDatabaseQuery $wpdb->prepare( "UPDATE {$wpdb->posts} SET `ping_status` = %s WHERE `post_status` != %s AND `post_type` NOT IN(%s)", $ping_status, 'inherit', $post_type_to_ignore ) ); } else { $wpdb->query( // phpcs:ignore WordPress.DB.DirectDatabaseQuery $wpdb->prepare( "UPDATE {$wpdb->posts} SET `ping_status` = %s WHERE `post_status` != %s AND `post_type` NOT IN(%s)", $ping_status, 'inherit', $post_type_to_ignore ) ); } } /** * Shield up. * * @return void */ public function shield_up() { $this->resolved = true; } /** * Retrieve the tweak's label. * * @return string */ public function get_label(): string { return esc_html__( 'Disable trackbacks and pingbacks', 'defender-security' ); } /** * Get the error reason. * * @return string */ public function get_error_reason(): string { return esc_html__( 'Trackbacks and pingbacks are currently enabled.', 'defender-security' ); } /** * Return a summary data of this tweak. * * @return array */ public function to_array(): array { return array( 'slug' => $this->slug, 'title' => $this->get_label(), 'errorReason' => $this->get_error_reason(), 'successReason' => esc_html__( 'Trackbacks and pingbacks are disabled, nice work!', 'defender-security' ), 'misc' => array(), 'bulk_description' => esc_html__( 'Trackbacks and pingbacks can lead to DDos attacks and tons of spam comments. If you don’t require this feature, we recommend turning it off.', 'defender-security' ), 'bulk_title' => esc_html__( 'Trackbacks and pingbacks', 'defender-security' ), ); } }
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