File: /var/www/html/wp-content/plugins/mainwp-child/class/class-mainwp-child-server-information-base.php
<?php
/**
* MainWP Child Server Information Base
*
* This is the base set of methods to collect a Child Site's Server Information.
*
* @package MainWP\Child
*/
namespace MainWP\Child;
//phpcs:disable WordPress.WP.AlternativeFunctions, Generic.Metrics.CyclomaticComplexity -- Current complexity is the only way to achieve desired results, pull request solutions appreciated.
/**
* Class MainWP_Child_Server_Information_Base
*
* Base set of methods to collect a Child Site's server information.
*/
class MainWP_Child_Server_Information_Base { //phpcs:ignore -- NOSONAR - multi methods.
/**
* Method get_class_name()
*
* Get class name.
*
* @return string __CLASS__ Class name.
*/
public static function get_class_name() {
return __CLASS__;
}
/**
* Check if MainWP Directory is writeable.
*
* @param string $message Return message - Directory not found, Directory not writable, writeable.
* @param string $path MainWP directory path.
*
* @return bool TRUE if exists & writeable, FALSE if not.
*
* @uses \MainWP\Child\MainWP_Helper::get_mainwp_dir()
* @uses \MainWP\Child\MainWP_Helper::get_wp_filesystem()
* @uses MainWP_Exception::getMessage()
*/
protected static function check_mainwp_directory( &$message = '', &$path = '' ) { // phpcs:ignore -- NOSONAR - compatible, multi return.
$path = '';
try {
$dirs = MainWP_Helper::get_mainwp_dir( null, false );
$path = $dirs[0];
} catch ( MainWP_Exception $e ) {
$message = $e->getMessage();
return false;
}
if ( ! is_dir( dirname( $path ) ) ) {
$message = 'Directory not found';
return false;
}
$hasWPFileSystem = MainWP_Helper::get_wp_filesystem();
/**
* WordPress files system object.
*
* @global object
*/
global $wp_filesystem;
if ( $hasWPFileSystem && ! empty( $wp_filesystem ) ) {
if ( ! $wp_filesystem->is_writable( $path ) ) {
$message = 'Directory not writable';
return false;
}
} elseif ( ! is_writable( $path ) ) {
$message = 'Directory not writable';
return false;
}
$message = 'Writable';
return true;
}
/**
* Check Child Site system variables for any issues.
*
* @param string $pCompare Comparison operator.
* @param string $pVersion Version to compare to.
* @param string $pGetter The method to grab the data with.
* @param string $pExtraCompare Extra comparison operator.
* @param string $pExtraVersion Extra version to compare to.
* @param bool $sizeCompare Size to compare to.
*
* @uses \MainWP\Child\MainWP_Child_Server_Information_Base::get_class_name()
* @uses \MainWP\Child\MainWP_Child_Server_Information_Base::filesize_compare()
*
* @return bool|int When using the optional operator argument, the function will return TRUE if the
* relationship is the one specified by the operator, FALSE otherwise. Returns -1 if the first version
* is lower than the second, 0 if they are equal, and 1 if the second is lower.
*/
protected static function check( $pCompare, $pVersion, $pGetter, $pExtraCompare = null, $pExtraVersion = null, $sizeCompare = false ) {
$currentVersion = call_user_func( array( static::get_class_name(), $pGetter ) );
if ( $sizeCompare ) {
return static::filesize_compare( $currentVersion, $pVersion, $pCompare );
} else {
return version_compare( $currentVersion, $pVersion, $pCompare ) || ( ( null !== $pExtraCompare ) && version_compare( $currentVersion, $pExtraVersion, $pExtraCompare ) );
}
}
/**
* Compare filesizes.
*
* @param string $value1 First value to compare.
* @param string $value2 Second value to compare.
* @param string $operator Comparison operator.
*
* @return bool|int When using the optional operator argument, the function will return TRUE if the
* relationship is the one specified by the operator, FALSE otherwise. Returns -1 if the first version
* is lower than the second, 0 if they are equal, and 1 if the second is lower.
*/
protected static function filesize_compare( $value1, $value2, $operator = null ) {
if ( false !== strpos( $value1, 'G' ) ) {
$value1 = preg_replace( '/[A-Za-z]/', '', $value1 );
$value1 = intval( $value1 ) * 1024;
} else {
$value1 = preg_replace( '/[A-Za-z]/', '', $value1 );
}
if ( false !== strpos( $value2, 'G' ) ) {
$value2 = preg_replace( '/[A-Za-z]/', '', $value2 );
$value2 = intval( $value2 ) * 1024;
} else {
$value2 = preg_replace( '/[A-Za-z]/', '', $value2 );
}
return version_compare( $value1, $value2, $operator );
}
/**
* Check if PHP class curl_version() is enabled.
*
* @return bool If 'curl_version' function exists, return true, if not, return false.
*/
public static function get_curl_support() {
return function_exists( 'curl_version' );
}
/**
* Get current cURL Timeout.
*
* @return int Current cURL timeout value.
*/
protected static function get_curl_timeout() {
return ini_get( 'default_socket_timeout' );
}
/**
* Get current cURL Version.
*
* @return string Current cURL Version.
*/
public static function get_curl_version() {
if ( function_exists( 'curl_version' ) ) {
$curlversion = curl_version();
return $curlversion['version'];
}
return '';
}
/**
* Compare current cURL & SSL versions to required values.
*
* @param string $version Required values to compare to.
* @param string $operator Comparison operator.
*
* @return bool|int When using the optional operator argument, the function will return TRUE if the
* relationship is the one specified by the operator, FALSE otherwise. Returns -1 if the first version
* is lower than the second, 0 if they are equal, and 1 if the second is lower.
*/
public static function curlssl_compare( $version, $operator ) {
if ( function_exists( 'curl_version' ) ) {
$ver = static::get_curl_ssl_version();
return version_compare( $ver, $version, $operator );
}
return false;
}
/**
* Get curl ssl version.
*
* @return string SSL version.
*/
public static function get_curl_ssl_version() {
if ( function_exists( 'curl_version' ) ) {
$curlversion = curl_version();
return $curlversion['ssl_version'];
}
return '';
}
/**
* Check for disabled PHP functions.
*/
protected static function mainwp_required_functions() {
$disabled_functions = ini_get( 'disable_functions' );
if ( '' !== $disabled_functions ) {
$arr = explode( ',', $disabled_functions );
sort( $arr );
$arr_length = count( $arr );
for ( $i = 0; $i < $arr_length; $i++ ) {
echo esc_html( $arr[ $i ] . ', ' );
}
} else {
echo esc_html__( 'No functions disabled', 'mainwp-child' );
}
}
/**
* Get loaded PHP extensions.
*/
protected static function get_loaded_php_extensions() {
$extensions = get_loaded_extensions();
sort( $extensions );
echo esc_html( implode( ', ', $extensions ) );
}
/**
* Get file system method.
*
* @return string $fs The returned file system method.
*/
public static function get_file_system_method() {
if ( defined( 'MAINWP_SAVE_FS_METHOD' ) ) {
return MAINWP_SAVE_FS_METHOD;
}
return get_filesystem_method();
}
/**
* Get the current MainWP Child plugin version.
*
* @return string $currentVersion The MainWP Child plugin current version.
*/
protected static function get_current_version() {
return get_option( 'mainwp_child_plugin_version' );
}
/**
* Get the current MainWP Child plugin version.
*
* @return string|bool Most recent MainWP Child version or FALSE.
*/
protected static function get_mainwp_version() {
include_once ABSPATH . '/wp-admin/includes/plugin-install.php'; // NOSONAR -- WP compatible.
$api = plugins_api(
'plugin_information',
array(
'slug' => 'mainwp-child',
'fields' => array( 'sections' => false ),
'timeout' => 60,
)
);
if ( is_object( $api ) && isset( $api->version ) ) {
return $api->version;
}
return false;
}
/**
* Check if PHP class \ZipArchive is enabled.
*
* @return bool If '\ZipArchive' class exists, return true, if not, return false.
*/
protected static function get_zip_archive_enabled() {
return class_exists( '\ZipArchive' );
}
/**
* Check if PHP function gzopen is enabled.
*
* @return bool If 'gzopen' function exists, return true, if not, return false.
*/
protected static function get_gzip_enabled() {
return function_exists( 'gzopen' );
}
/**
* Check if PHP function bzopen is enabled.
*
* @return bool If 'bzopen' function exists, return true, if not, return false.
*/
protected static function get_bzip_enabled() {
return function_exists( 'bzopen' );
}
/**
* Get current WordPress version.
*
* @return string $wp_version Current WordPress version.
*/
/**
* Get WordPress version.
*
* This method is made public to provide a centralized, consistent way to retrieve
* the WordPress version across the entire codebase. It first checks for the newer
* wp_get_wp_version() function (available in WP 5.8+) before falling back to the
* global $wp_version variable.
*
* @return string The installed version of WordPress.
*/
public static function get_wordpress_version() {
/**
* The installed version of WordPress.
*
* @global string $wp_version The installed version of WordPress.
*/
global $wp_version;
// Use the newer WordPress core function if available, falling back to global variable.
if ( function_exists( '\wp_get_wp_version' ) ) {
return \wp_get_wp_version();
}
return $wp_version;
}
/**
* Get current WordPress memory limit.
*
* @return string Current WordPress memory limit.
*/
protected static function get_wordpress_memory_limit() {
return WP_MEMORY_LIMIT;
}
/**
* Check if in multisite WordPress environment.
*
* @return bool If multisite detected, return false, if not, return true.
*/
protected static function check_if_multisite() {
return ! is_multisite() ? true : false;
}
/**
* Check if PHP extension OpenSSL is enabled.
*
* @return bool If 'openssl' extension is loaded, return true, if not, return false.
*/
protected static function get_ssl_support() {
return extension_loaded( 'openssl' );
}
/**
* Get any SSL warnings.
*
* @return false|string Return error message if there are warnings, FALSE otherwise.
*/
protected static function get_ssl_warning() {
$conf = array( 'private_key_bits' => 2048 );
$errors = array();
if ( function_exists( 'openssl_pkey_new' ) ) {
$res = openssl_pkey_new( $conf );
openssl_pkey_export( $res, $privkey );
$error = '';
while ( ( $errorRow = openssl_error_string() ) !== false ) {
$error = $errorRow . "\n" . $error;
}
//phpcs:ignore -- Note.
// $error = ( stristr( $error, 'NCONF_get_string:no value' ) ? '' : $error );
if ( ! empty( $error ) ) {
$errors[] = $error;
}
}
return empty( $errors ) ? '' : implode( ' - ', $errors );
}
/**
* To verify openssl working.
*
* @return bool Working status.
*/
public static function get_openssl_working_status() {
$ok = false;
if ( function_exists( 'openssl_verify' ) && function_exists( 'openssl_pkey_new' ) ) {
$conf = array(
'private_key_bits' => 2048,
);
$res = openssl_pkey_new( $conf );
@openssl_pkey_export( $res, $privkey, null, $conf ); // phpcs:ignore -- prevent warning.
$details = $res ? openssl_pkey_get_details( $res ) : false;
if ( is_array( $details ) && isset( $details['key'] ) ) {
$publicKey = $details['key'];
$data = 'working status';
openssl_sign( $data, $signature, $privkey ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions -- base64_encode used for http encoding compatible.
if ( ! empty( $signature ) ) {
$ok = openssl_verify( $data, $signature, $publicKey );
}
}
}
return ! empty( $ok );
}
/**
* Get current PHP version.
*
* @return string Current PHP version.
*/
protected static function get_php_version() {
return phpversion();
}
/**
* Get max execution time.
*
* @return string Return the PHP max execution time.
*/
protected static function get_max_execution_time() {
return ini_get( 'max_execution_time' );
}
/**
* Get the max uplaod filesize.
*
* @return string Return the maximum upload filesize.
*/
protected static function get_upload_max_filesize() {
return ini_get( 'upload_max_filesize' );
}
/**
* Get the max post size.
*
* @return string Return the post maximum filesize.
*/
protected static function get_post_max_size() {
return ini_get( 'post_max_size' );
}
/**
* Get current MySQL version.
*
* @return string Return the current MySQL version.
*/
public static function get_my_sql_version() {
/**
* Object, providing access to the WordPress database.
*
* @global $wpdb WordPress Database instance.
*/
global $wpdb;
$cached_version = wp_cache_get( 'mainwp_mysql_version', 'mainwp_server_info' );
if ( false !== $cached_version ) {
return $cached_version;
}
$version = $wpdb->get_var( "SHOW VARIABLES LIKE 'version'", 1 ); //phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- MySQL version is static server metadata, cached for 1 hour.
wp_cache_set( 'mainwp_mysql_version', $version, 'mainwp_server_info', 3600 );
return $version;
}
/**
* Get max input time.
*
* @return string Return current maximum input time.
*/
protected static function get_max_input_time() {
return ini_get( 'max_input_time' );
}
/**
* Get current PHP memory limit.
*
* @return string Return current PHP memory limit.
*/
public static function get_php_memory_limit() {
return ini_get( 'memory_limit' );
}
/**
* Get operating system.
*/
protected static function get_os() {
echo esc_html( PHP_OS );
}
/**
* Get System architecture.
*/
protected static function get_architecture() {
echo esc_html( PHP_INT_SIZE * 8 ) . ' bit';
}
/**
* Get db size.
*
* @return string Return current db size.
*/
public static function get_db_size() {
global $wpdb;
$sql = $wpdb->prepare(
'SELECT
ROUND(SUM(DATA_LENGTH + INDEX_LENGTH) / 1024 / 1024, 2)
FROM INFORMATION_SCHEMA.TABLES
WHERE
TABLE_SCHEMA = %s',
$wpdb->dbname
);
return $wpdb->get_var( $sql ); // phpcs:ignore -- unprepared SQL.
}
/**
* Get the current Memory usage.
*/
protected static function memory_usage() {
if ( function_exists( 'memory_get_usage' ) ) {
$memory_usage = round( memory_get_usage() / 1024 / 1024, 2 ) . ' MB';
} else {
$memory_usage = esc_html__( 'N/A', 'mainwp-child' );
}
echo esc_html( $memory_usage );
}
/**
* Get the current output buffer size.
*
* @return string Return the current back track limit.
*/
protected static function get_output_buffer_size() {
return ini_get( 'pcre.backtrack_limit' );
}
/**
* Check if PHP is in Safe Mode.
*/
protected static function get_php_safe_mode() {
if ( version_compare( phpversion(), '5.3.0' ) < 0 && ini_get( 'safe_mode' ) ) {
$safe_mode = esc_html__( 'ON', 'mainwp-child' );
} else {
$safe_mode = esc_html__( 'OFF', 'mainwp-child' );
}
echo esc_html( $safe_mode );
}
/**
* Get current SQL mode.
*/
protected static function get_sql_mode() {
/**
* Object, providing access to the WordPress database.
*
* @global $wpdb WordPress Database instance.
*/
global $wpdb;
$cached_sql_mode = wp_cache_get( 'mainwp_sql_mode', 'mainwp_server_info' );
if ( false !== $cached_sql_mode ) {
echo esc_html( $cached_sql_mode );
return;
}
$mysqlinfo = $wpdb->get_results( "SHOW VARIABLES LIKE 'sql_mode'" ); //phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- SQL mode is static server metadata, cached for 1 hour.
$sql_mode = '';
if ( is_array( $mysqlinfo ) ) {
$sql_mode = $mysqlinfo[0]->Value;
}
if ( empty( $sql_mode ) ) {
$sql_mode = esc_html__( 'NOT SET', 'mainwp-child' );
}
wp_cache_set( 'mainwp_sql_mode', $sql_mode, 'mainwp_server_info', 3600 );
echo esc_html( $sql_mode );
}
/**
* Check if PHP Allow URL fopen is enabled.
*/
protected static function get_php_allow_url_fopen() {
if ( ini_get( 'allow_url_fopen' ) ) {
$allow_url_fopen = esc_html__( 'ON', 'mainwp-child' );
} else {
$allow_url_fopen = esc_html__( 'OFF', 'mainwp-child' );
}
echo esc_html( $allow_url_fopen );
}
/**
* Check if PHP exif is enabled.
*/
protected static function get_php_exif() {
if ( is_callable( 'exif_read_data' ) ) {
$exif = esc_html__( 'YES', 'mainwp-child' ) . ' ( V' . substr( phpversion( 'exif' ), 0, 4 ) . ')';
} else {
$exif = esc_html__( 'NO', 'mainwp-child' );
}
echo esc_html( $exif );
}
/**
* Check if PHP IP TC is enabled.
*/
protected static function get_php_ip_tc() {
if ( is_callable( 'iptcparse' ) ) {
$iptc = esc_html__( 'YES', 'mainwp-child' );
} else {
$iptc = esc_html__( 'NO', 'mainwp-child' );
}
echo esc_html( $iptc );
}
/**
* Check if PHP XML is enabled.
*/
protected static function get_php_xml() {
if ( is_callable( 'xml_parser_create' ) ) {
$xml = esc_html__( 'YES', 'mainwp-child' );
} else {
$xml = esc_html__( 'NO', 'mainwp-child' );
}
echo esc_html( $xml );
}
/**
* Get current server gateway interface.
*/
protected static function get_server_getaway_interface() {
echo isset( $_SERVER['GATEWAY_INTERFACE'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['GATEWAY_INTERFACE'] ) ) ) : '';
}
/**
* Get server IP.
*/
protected static function get_server_ip() {
echo isset( $_SERVER['SERVER_ADDR'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['SERVER_ADDR'] ) ) ) : '';
}
/**
* Get server name.
*/
protected static function get_server_name() {
echo isset( $_SERVER['SERVER_NAME'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['SERVER_NAME'] ) ) ) : '';
}
/**
* Get server software.
*/
protected static function get_server_software() {
echo isset( $_SERVER['SERVER_SOFTWARE'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) ) ) : '';
}
/**
* Get server protocol.
*/
protected static function get_server_protocol() {
echo isset( $_SERVER['SERVER_PROTOCOL'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['SERVER_PROTOCOL'] ) ) ) : '';
}
/**
* Get server request time.
*/
protected static function get_server_request_time() {
echo isset( $_SERVER['REQUEST_TIME'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_TIME'] ) ) ) : '';
}
/**
* Get server HTTP accept.
*/
protected static function get_server_http_accept() {
echo isset( $_SERVER['HTTP_ACCEPT'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['HTTP_ACCEPT'] ) ) ) : '';
}
/**
* Get server accepted charset.
*/
protected static function get_server_accept_charset() {
echo ! empty( $_SERVER['HTTP_ACCEPT_CHARSET'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['HTTP_ACCEPT_CHARSET'] ) ) ) : esc_html_e( 'N/A', 'mainwp-child' );
}
/**
* Get server HTTP host.
*/
protected static function get_http_host() {
echo ! empty( $_SERVER['HTTP_HOST'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ) ) : '';
}
/**
* Get server complete URL.
*/
protected static function get_complete_url() {
echo ! empty( $_SERVER['HTTP_REFERER'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['HTTP_REFERER'] ) ) ) : '';
}
/**
* Get server user agent.
*/
protected static function get_user_agent() {
echo ! empty( $_SERVER['HTTP_USER_AGENT'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) ) : '';
}
/**
* Check if HTTPS is on.
*/
protected static function get_https() {
echo ! empty( $_SERVER['HTTPS'] ) ? esc_html( esc_html__( 'ON', 'mainwp-child' ) . ' - ' . sanitize_text_field( wp_unslash( $_SERVER['HTTPS'] ) ) ) : esc_html__( 'OFF', 'mainwp-child' );
}
/**
* Server self-connection test.
*/
protected static function server_self_connect() {
$url = site_url( 'wp-cron.php' );
$query_args = array( 'mainwp_child_run' => 'test' );
$url = add_query_arg( $query_args, $url );
$args = array(
'blocking' => true,
'sslverify' => apply_filters( 'https_local_ssl_verify', true ),
'timeout' => 15,
);
$response = wp_remote_post( $url, $args );
$test_result = '';
if ( is_wp_error( $response ) ) {
// translators: %s: error message.
$test_result .= sprintf( esc_html__( 'The HTTP response test get an error "%s"', 'mainwp-child' ), $response->get_error_message() );
}
$response_code = wp_remote_retrieve_response_code( $response );
if ( $response_code < 200 && $response_code > 204 ) {
// translators: %s: HTTP status code.
$test_result .= sprintf( esc_html__( 'The HTTP response test get a false http status (%s)', 'mainwp-child' ), wp_remote_retrieve_response_code( $response ) );
} else {
$response_body = wp_remote_retrieve_body( $response );
if ( false === strstr( $response_body, 'MainWP Test' ) ) {
// translators: %s: response body content.
$test_result .= sprintf( esc_html__( 'Not expected HTTP response body: %s', 'mainwp-child' ), esc_attr( wp_strip_all_tags( $response_body ) ) );
}
}
if ( empty( $test_result ) ) {
esc_html_e( 'Response Test O.K.', 'mainwp-child' );
} else {
echo $test_result; // phpcs:ignore WordPress.Security.EscapeOutput
}
}
/**
* Get server remote address.
*/
protected static function get_remote_address() {
echo isset( $_SERVER['REMOTE_ADDR'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) ) : '';
}
/**
* Get server remote host.
*/
protected static function get_remote_host() {
echo ! empty( $_SERVER['REMOTE_HOST'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['REMOTE_HOST'] ) ) ) : esc_html( 'N/A' );
}
/**
* Get server remote port.
*/
protected static function get_remote_port() {
echo ! empty( $_SERVER['REMOTE_PORT'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['REMOTE_PORT'] ) ) ) : '';
}
/**
* Get server script filename.
*/
protected static function get_script_file_name() {
echo ! empty( $_SERVER['SCRIPT_FILENAME'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['SCRIPT_FILENAME'] ) ) ) : '';
}
/**
* Get server port.
*/
protected static function get_server_port() {
echo ! empty( $_SERVER['SERVER_PORT'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['SERVER_PORT'] ) ) ) : '';
}
/**
* Get current page URL.
*/
protected static function get_current_page_uri() {
echo ! empty( $_SERVER['REQUEST_URI'] ) ? esc_html( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) : '';
}
/**
* Get WordPress root directory.
*/
protected static function get_wp_root() {
echo esc_html( ABSPATH );
}
/**
* Time comparison.
*
* @param string $a Time 1.
* @param string $b Time 2.
*
* @return int Return 0 if $a is equal to $b, -1 if $a > $b or 1 if $a < $b.
*/
protected static function time_compare( $a, $b ) {
if ( $a === $b ) {
return 0;
}
return ( strtotime( $a['time'] ) > strtotime( $b['time'] ) ) ? - 1 : 1;
}
}