siteguard-admin-filter.php
6 years ago
siteguard-base.php
8 years ago
siteguard-captcha.php
8 years ago
siteguard-config.php
9 years ago
siteguard-disable-pingback.php
9 years ago
siteguard-disable-xmlrpc.php
9 years ago
siteguard-htaccess.php
8 years ago
siteguard-login-alert.php
8 years ago
siteguard-login-history.php
8 years ago
siteguard-login-lock.php
8 years ago
siteguard-rename-login.php
6 years ago
siteguard-updates-notify.php
8 years ago
siteguard-waf-exclude-rule.php
9 years ago
siteguard-base.php
98 lines
| 1 | <?php |
| 2 | |
| 3 | function siteguard_error_log( $message ) { |
| 4 | $logfile = SITEGUARD_PATH . 'error.log'; |
| 5 | $f = @fopen( $logfile, 'a+' ); |
| 6 | if ( false != $f ) { |
| 7 | fwrite( $f, date_i18n( 'Y/m/d H:i:s:' ) . $message . "\n" ); |
| 8 | fclose( $f ); |
| 9 | } |
| 10 | } |
| 11 | |
| 12 | function siteguard_error_dump( $title, $obj ) { |
| 13 | ob_start(); |
| 14 | var_dump( $obj ); |
| 15 | $msg = ob_get_contents( ); |
| 16 | ob_end_clean( ); |
| 17 | siteguard_error_log( "$title: $msg" ); |
| 18 | } |
| 19 | |
| 20 | function siteguard_check_multisite( ) { |
| 21 | if ( ! is_multisite() ) { |
| 22 | return true; |
| 23 | } |
| 24 | $message = esc_html__( 'It does not support the multisite function of WordPress.', 'siteguard' ); |
| 25 | $error = new WP_Error( 'siteguard', $message ); |
| 26 | return $error; |
| 27 | } |
| 28 | |
| 29 | class SiteGuard_Base { |
| 30 | public static $ip_mode_items = array( '0', '1', '2', '3' ); |
| 31 | function __construct() { |
| 32 | } |
| 33 | function is_switch_value( $value ) { |
| 34 | if ( '0' === $value || '1' === $value ) { |
| 35 | return true; |
| 36 | } |
| 37 | return false; |
| 38 | } |
| 39 | function check_module( $name, $default = false ) { |
| 40 | return true; |
| 41 | # It does not work WP-CLI |
| 42 | #if ( isset( $_SERVER['SERVER_SOFTWARE'] ) ) { |
| 43 | # return ( strpos( $_SERVER['SERVER_SOFTWARE'], 'Apache' ) !== false || strpos( $_SERVER['SERVER_SOFTWARE'], 'LiteSpeed' ) !== false); |
| 44 | #} else { |
| 45 | # return $default; |
| 46 | #} |
| 47 | |
| 48 | # It does not work in FastCGI well. |
| 49 | #$module = 'mod_' . $name; |
| 50 | #return apache_mod_loaded( $module, $default ); |
| 51 | #if ( function_exists('phpinfo') ) { |
| 52 | # ob_start( ); |
| 53 | # phpinfo(8); |
| 54 | # $phpinfo = ob_get_clean( ); |
| 55 | # if ( false !== strpos( $phpinfo, $module ) ) { |
| 56 | # return true; |
| 57 | # } |
| 58 | #} |
| 59 | #return $default; |
| 60 | } |
| 61 | |
| 62 | function get_ip( ) { |
| 63 | global $siteguard_config; |
| 64 | $ip_mode = $siteguard_config->get( 'ip_mode' ); |
| 65 | if ( ! in_array( $ip_mode, SiteGuard_Base::$ip_mode_items ) ) { |
| 66 | $ip_mode = '0'; |
| 67 | $siteguard_config->set( 'ip_mode', $ip_mode ); |
| 68 | $siteguard_config->update( ); |
| 69 | } |
| 70 | $ip_mode_num = intval( $ip_mode ); |
| 71 | $remote_addr = '127.0.0.1'; |
| 72 | if ( isset( $_SERVER['REMOTE_ADDR'] ) ) { |
| 73 | $remote_addr = $_SERVER['REMOTE_ADDR']; |
| 74 | } |
| 75 | if ( '0' === $ip_mode ) { |
| 76 | return $remote_addr; |
| 77 | } |
| 78 | if ( ! isset( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) { |
| 79 | return $remote_addr; |
| 80 | } |
| 81 | $xff = $_SERVER['HTTP_X_FORWARDED_FOR']; |
| 82 | if ( empty( $xff ) ) { |
| 83 | return $remote_addr; |
| 84 | } |
| 85 | $ips = explode( ',', $xff ); |
| 86 | $count = count( $ips ); |
| 87 | $idx = $count - $ip_mode_num; |
| 88 | if ( $idx < 0 ) { |
| 89 | return $remote_addr; |
| 90 | } |
| 91 | $ip = $ips[ $idx ]; |
| 92 | if ( ! filter_var($ip, FILTER_VALIDATE_IP ) ) { |
| 93 | return $remote_addr; |
| 94 | } |
| 95 | return $ip; |
| 96 | } |
| 97 | } |
| 98 |