File: /var/www/epamokos.kaunokolegija.lt/wp-content/plugins/mainwp-child/includes/functions.php
<?php
/**
* MainWP Child Functions
*
* @package MainWP/Child
*/
// phpcs:disable WordPress.Security.NonceVerification
if ( isset( $_GET['bulk_settings_manageruse_nonce_key'] ) && isset( $_GET['bulk_settings_manageruse_nonce_hmac'] ) ) {
$bulk_settings_manageruse_nonce_key = ! empty( $_GET['bulk_settings_manageruse_nonce_key'] ) ? intval( $_GET['bulk_settings_manageruse_nonce_key'] ) : '';
$bulk_settings_manageruse_nonce_hmac = ! empty( $_GET['bulk_settings_manageruse_nonce_hmac'] ) ? wp_unslash( $_GET['bulk_settings_manageruse_nonce_hmac'] ) : ''; //phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
$bulk_settings_managercurrent_time = intval( time() );
if ( $bulk_settings_managercurrent_time >= $bulk_settings_manageruse_nonce_key && $bulk_settings_managercurrent_time <= ( $bulk_settings_manageruse_nonce_key + 30 ) && strcmp( $bulk_settings_manageruse_nonce_hmac, hash_hmac( 'sha256', $bulk_settings_manageruse_nonce_key, NONCE_KEY ) ) === 0 && ! function_exists( 'wp_verify_nonce' ) ) :
/**
* Verify that correct nonce was used with time limit.
*
* The user is given an amount of time to use the token, so therefore, since the
* UID and $action remain the same, the independent variable is the time.
*
* @since 2.0.3
*
* @param string $nonce Nonce that was used in the form to verify.
* @param string|int $action Should give context to what is taking place and be the same when nonce was created.
*
* @return false|int False if the nonce is invalid, 1 if the nonce is valid and generated between
* 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
*/
function wp_verify_nonce( $nonce, $action = - 1 ) { //phpcs:ignore -- NOSONAR - multi return.
$nonce = (string) $nonce;
$user = wp_get_current_user();
$uid = (int) $user->ID;
if ( ! $uid ) {
/**
* Filter whether the user who generated the nonce is logged out.
*
* @since 3.5.0
*
* @param int $uid ID of the nonce-owning user.
* @param string $action The nonce action.
*/
$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
}
if ( empty( $nonce ) ) {
/**
* To fix verify nonce conflict #1.
* This is a fake post field to fix some conflict with wp_verify_nonce().
* Just return false to unverify nonce, does not exit.
*/
if ( isset( $_REQUEST[ $action ] ) && ( 'mainwp-bsm-unverify-nonce' === $_REQUEST[ $action ] ) ) {
return false;
}
// to help trace the conflict with verify nonce in other plugins.
ob_start();
debug_print_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ); // phpcs:ignore -- debug feature.
$stackTrace = "\n" . ob_get_clean();
// Invalid nonce.
if ( isset( $_REQUEST['bulk_settings_skip_invalid_nonce'] ) && ! empty( $_REQUEST['bulk_settings_skip_invalid_nonce'] ) ) {
return false;
}
die( '<mainwp>' . base64_encode( wp_json_encode( array( 'error' => 'You dont send nonce: ' . $action . '<br/>Trace: ' . $stackTrace ) ) ) . '</mainwp>' ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions,WordPress.Security.EscapeOutput -- base64_encode function is used for http encode compatible.
}
/**
* To fix verify nonce conflict #2.
* This is a fake post field to fix some conflict with wp_verify_nonce().
* Just return false to unverify nonce, does not exit.
*/
if ( 'mainwp-bsm-unverify-nonce' === $nonce ) {
return false;
}
$token = wp_get_session_token();
$i = wp_nonce_tick();
// Nonce generated 0-12 hours ago.
$expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), - 12, 10 );
if ( hash_equals( $expected, $nonce ) ) {
return 1;
}
// Nonce generated 12-24 hours ago.
$expected = substr( wp_hash( ( $i - 1 ) . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), - 12, 10 );
if ( hash_equals( $expected, $nonce ) ) {
return 2;
}
/**
* To fix verify nonce conflict #3.
* This is a fake post field to fix some conflict with wp_verify_nonce().
* Just return false to unverify nonce, does not exit.
*/
if ( isset( $_REQUEST[ $action ] ) && ( 'mainwp-bsm-unverify-nonce' === $_REQUEST[ $action ] ) ) {
return false;
}
ob_start();
debug_print_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ); // phpcs:ignore -- debug feature.
$stackTrace = "\n" . ob_get_clean();
// Invalid nonce.
if ( isset( $_REQUEST['bulk_settings_skip_invalid_nonce'] ) && ! empty( $_REQUEST['bulk_settings_skip_invalid_nonce'] ) ) {
return false;
}
// Invalid nonce.
die( '<mainwp>' . base64_encode( wp_json_encode( array( 'error' => 'Invalid nonce! Try to use: ' . $action . '<br/>Trace: ' . $stackTrace ) ) ) . '</mainwp>' ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions,WordPress.Security.EscapeOutput -- base64_encode function is used for http encode compatible.
}
endif;
}
if ( ! function_exists( 'mainwp_child_helper' ) ) {
/**
* Method mainwp_child_helper()
*
* Get MainWP Child helper instance.
*
* @return mixed MainWP\Child\MainWP_Helper
*
* @uses \MainWP\Child\MainWP_Helper::instance()
*/
function mainwp_child_helper() {
return MainWP\Child\MainWP_Helper::instance();
}
}
if ( ! function_exists( 'mainwp_child_backwpup_wp_list_table_dependency' ) ) {
/**
* Method mainwp_child_backwpup_wp_list_table_dependency()
*
* Init backwpupwp list table dependency functions.
*/
function mainwp_child_backwpup_wp_list_table_dependency() {
if ( ! function_exists( 'convert_to_screen' ) ) {
/**
* Convert to screen.
*
* We need this because BackWPup_Page_Jobs extends WP_List_Table.
* which uses convert_to_screen.
*
* @return MainWP_Fake_Wp_Screen
*/
function convert_to_screen() {
return new MainWP\Child\MainWP_Fake_Wp_Screen();
}
}
if ( ! function_exists( 'add_screen_option' ) ) {
/**
* Adds the WP Fake Screen option.
*
* @param mixed $option Options.
* @param array $args Arguments.
*/
function add_screen_option( $option, $args = array() ) {
unset( $option );
unset( $args );
}
}
}
}
if ( ! function_exists( 'apply_filters_deprecated' ) ) {
/**
* Support old WP version 4.0.
*
* Fires functions attached to a deprecated filter hook.
*
* When a filter hook is deprecated, the apply_filters() call is replaced with
* apply_filters_deprecated(), which triggers a deprecation notice and then fires
* the original filter hook.
*
* @param string $hook_name The name of the filter hook.
* @param array $args Array of additional function arguments to be passed to apply_filters().
* @param string $version The version of WordPress that deprecated the hook.
* @param string $replacement Optional. The hook that should have been used. Default empty.
* @param string $message Optional. A message regarding the change. Default empty.
*/
function apply_filters_deprecated( $hook_name, $args, $version, $replacement = '', $message = '' ) {
if ( ! has_filter( $hook_name ) ) {
return $args[0];
}
do_action( 'deprecated_hook_run', $hook_name, $replacement, $version, $message );
return apply_filters_ref_array( $hook_name, $args );
}
}