| Linux hkvL61zh9Vexzf 3.10.0-957.1.3.el7.x86_64 #1 SMP Thu Nov 29 14:49:43 UTC 2018 x86_64 Path : /www/wwwroot/fashion-kingdom.com/wp-content/plugins/siteguard/classes/ |
| Current File : /www/wwwroot/fashion-kingdom.com/wp-content/plugins/siteguard/classes/siteguard-captcha.php |
<?php
require_once SITEGUARD_PATH . 'really-simple-captcha/siteguard-really-simple-captcha.php';
class SiteGuard_CAPTCHA extends SiteGuard_Base {
protected $captcha;
protected $prefix;
protected $word;
function __construct() {
global $siteguard_config;
if ( '1' == $siteguard_config->get( 'captcha_enable' ) && 'xmlrpc.php' != basename( $_SERVER['SCRIPT_NAME'] ) && ! is_admin() ) {
$this->captcha = new SiteGuardReallySimpleCaptcha();
add_filter( 'shake_error_codes', array( $this, 'handler_shake_error_codes' ) );
// for logiin
if ( '0' !== $siteguard_config->get( 'captcha_login' ) ) {
add_filter( 'login_form', array( $this, 'handler_login_form' ) );
add_filter( 'wp_authenticate_user', array( $this, 'handler_wp_authenticate_user' ), 1, 2 );
}
// for lost password
if ( '0' !== $siteguard_config->get( 'captcha_lostpasswd' ) ) {
add_filter( 'lostpassword_form', array( $this, 'handler_lostpassword_form' ) );
add_filter( 'lostpassword_post', array( $this, 'handler_lostpassword_post' ), 1 );
}
// for register user
if ( '0' !== $siteguard_config->get( 'captcha_registuser' ) ) {
add_filter( 'register_form', array( $this, 'handler_register_form' ) );
add_action( 'registration_errors', array( $this, 'handler_registration_errors' ), 10, 3 );
}
// for comment
if ( '0' !== $siteguard_config->get( 'captcha_comment' ) ) {
add_action( 'comment_form_after_fields', array( $this, 'handler_comment_form' ), 1 );
add_action( 'comment_form_logged_in_after', array( $this, 'handler_comment_form' ), 1 );
add_action( 'comment_form', array( $this, 'handler_comment_form' ) );
add_filter( 'preprocess_comment', array( $this, 'handler_process_comment_post' ) );
}
}
if ( '1' == $siteguard_config->get( 'same_login_error' ) ) {
add_filter( 'login_errors', array( $this, 'handler_login_errors' ) );
}
}
function check_requirements() {
$error = siteguard_check_multisite();
if ( is_wp_error( $error ) ) {
return $error;
}
$error = $this->check_extensions();
if ( is_wp_error( $error ) ) {
return $error;
}
$error = $this->check_image_access();
if ( is_wp_error( $error ) ) {
return $error;
}
$error = $this->check_support_freetype();
if ( is_wp_error( $error ) ) {
return $error;
}
$error = $this->check_htaccess();
if ( is_wp_error( $error ) ) {
return $error;
}
return true;
}
function check_htaccess() {
if ( false === SiteGuard_Htaccess::test_htaccess() ) {
$message = esc_html__( 'mod_rewrite of .htaccess can not be used', 'siteguard' );
$error = new WP_Error( 'siteguard_captcha', $message );
return $error;
}
return true;
}
function check_extensions() {
$error_extensions = array();
$extensions = array(
'mbstring',
'gd',
);
foreach ( $extensions as $extension ) {
if ( ! extension_loaded( $extension ) ) {
$error_extensions[] = $extension;
}
}
if ( empty( $error_extensions ) ) {
return true;
}
$message = esc_html__( 'In order to enable this function, it is necessary to install expanded modules', 'siteguard' );
$message .= ' ( ';
$message .= implode( ', ', $error_extensions );
$message .= ' ) ';
$message .= esc_html__( 'in the server.', 'siteguard' );
$error = new WP_Error( 'siteguard_captcha', $message );
return $error;
}
function check_image_access() {
if ( is_object( $this->captcha ) ) {
$ret = $this->captcha->make_tmp_dir();
} else {
$captcha = new SiteGuardReallySimpleCaptcha();
$ret = $captcha->make_tmp_dir();
}
if ( false === $ret ) {
$message = esc_html__( 'The image file write failed.', 'siteguard' );
$error = new WP_Error( 'siteguard_captcha', $message );
return $error;
}
return true;
// $result = wp_remote_get( SITEGUARD_URL_PATH . 'really-simple-captcha/tmp/dummy.png' );
// if ( ! is_wp_error( $result ) && 200 === $result['response']['code'] ) {
// return true;
// }
// $message = esc_html__( 'The image file access failed.', 'siteguard' );
// if ( is_wp_error( $result ) ) {
// $error_detail = '( Error: ' . $result->get_error_message( ) . ' )';
// } else {
// $error_detail = '( ResponseCode: ' . $result['response']['code'] . ' )';
// }
// $error = new WP_Error( 'siteguard_captcha', $message . $error_detail);
// return $error;
}
function check_support_freetype() {
if ( function_exists( 'imagettftext' ) ) {
return true;
}
$message = esc_html__( 'In order to enable this function, php must be compiled with FreeType support enabled.', 'siteguard' );
$error = new WP_Error( 'siteguard_captcha', $message );
return $error;
}
function handler_login_errors( $error ) {
if ( strlen( $error ) > 0 && false === strpos( $error, esc_html__( 'ERROR: LOGIN LOCKED', 'siteguard' ) ) ) {
$error = esc_html__( 'ERROR: Please check the input and resend.', 'siteguard' );
}
return $error;
}
function handler_shake_error_codes( $shake_error_codes ) {
array_push( $shake_error_codes, 'siteguard-captcha-error' );
return $shake_error_codes;
}
function init() {
global $siteguard_config;
$errors = $this->check_requirements();
if ( ! is_wp_error( $errors ) ) {
$switch = '1';
} else {
$switch = '0';
}
$siteguard_config->set( 'captcha_enable', $switch );
$language = get_bloginfo( 'language' );
if ( 'ja' == $language ) {
$mode = '1'; // hiragana
} else {
$mode = '2'; // alphanumeric
}
$siteguard_config->set( 'captcha_login', $mode );
$siteguard_config->set( 'captcha_comment', $mode );
$siteguard_config->set( 'captcha_lostpasswd', $mode );
$siteguard_config->set( 'captcha_registuser', $mode );
if ( true === siteguard_check_multisite() ) {
$siteguard_config->set( 'same_login_error', '1' );
} else {
$siteguard_config->set( 'same_login_error', '0' );
}
$siteguard_config->update();
}
function get_captcha() {
$result = '<p>';
$result .= '<img src="' . WP_CONTENT_URL . '/siteguard/' . $this->prefix . '.png" alt="CAPTCHA">';
$result .= '</p><p>';
$result .= '<label for="siteguard_captcha">' . esc_html__( 'Please input characters displayed above.', 'siteguard' ) . '</label><br />';
$result .= '<input type="text" name="siteguard_captcha" id="siteguard_captcha" class="input" value="" size="10" aria-required="true" />';
$result .= '<input type="hidden" name="siteguard_captcha_prefix" id="siteguard_captcha_prefix" value="' . $this->prefix . '" />';
$result .= '</p>';
return $result;
}
function put_captcha() {
$this->word = $this->captcha->generate_random_word();
$this->prefix = siteguard_rand();
$this->captcha->generate_image( $this->prefix, $this->word );
echo $this->get_captcha();
}
function handler_login_form() {
global $siteguard_config;
( '2' === $siteguard_config->get( 'captcha_login' ) ) ? $this->captcha->set_lang_mode( 'en' ) : $this->captcha->set_lang_mode( 'jp' );
$this->put_captcha();
}
function handler_comment_form( $post_id ) {
global $siteguard_config;
if ( defined( 'SITEGUARD_PUT_COMMENT_FORM' ) ) {
return;
}
( '2' === $siteguard_config->get( 'captcha_comment' ) ) ? $this->captcha->set_lang_mode( 'en' ) : $this->captcha->set_lang_mode( 'jp' );
$this->put_captcha();
define( 'SITEGUARD_PUT_COMMENT_FORM', '1' );
}
function handler_lostpassword_form() {
global $siteguard_config;
( '2' === $siteguard_config->get( 'captcha_lostpasswd' ) ) ? $this->captcha->set_lang_mode( 'en' ) : $this->captcha->set_lang_mode( 'jp' );
$this->put_captcha();
}
function handler_register_form() {
global $siteguard_config;
( '2' == $siteguard_config->get( 'captcha_registuser' ) ) ? $this->captcha->set_lang_mode( 'en' ) : $this->captcha->set_lang_mode( 'jp' );
$this->put_captcha();
}
function handler_wp_authenticate_user( $user, $password ) {
if ( array_key_exists( 'siteguard_captcha', $_POST ) && array_key_exists( 'siteguard_captcha_prefix', $_POST ) ) {
if ( $this->captcha->check( $_POST['siteguard_captcha_prefix'], $_POST['siteguard_captcha'], false ) ) {
return $user;
}
}
$error = new WP_Error();
$error->add( 'siteguard-captcha-error', esc_html__( 'ERROR: Invalid CAPTCHA.', 'siteguard' ) );
return $error;
}
function add_captcha_error() {
return new WP_Error( 'siteguard-captcha-error', esc_html__( 'ERROR: Invalid CAPTCHA.', 'siteguard' ) );
}
function handler_lostpassword_post() {
if ( array_key_exists( 'siteguard_captcha', $_POST ) && array_key_exists( 'siteguard_captcha_prefix', $_POST ) ) {
if ( $this->captcha->check( $_POST['siteguard_captcha_prefix'], $_POST['siteguard_captcha'], false ) ) {
return;
}
}
add_filter( 'allow_password_reset', array( $this, 'add_captcha_error' ) );
}
function handler_registration_errors( $errors, $sanitized_user_login, $user_email ) {
if ( array_key_exists( 'siteguard_captcha', $_POST ) && array_key_exists( 'siteguard_captcha_prefix', $_POST ) ) {
if ( $this->captcha->check( $_POST['siteguard_captcha_prefix'], $_POST['siteguard_captcha'], false ) ) {
return $errors;
}
}
$new_errors = new WP_Error();
$new_errors->add( 'siteguard-captcha-error', esc_html__( 'ERROR: Invalid CAPTCHA.', 'siteguard' ) );
return $new_errors;
}
function handler_process_comment_post( $comment ) {
if ( is_admin() ) {
return $comment;
}
if ( array_key_exists( 'siteguard_captcha', $_POST ) && array_key_exists( 'siteguard_captcha_prefix', $_POST ) ) {
if ( ! empty( $_POST['siteguard_captcha'] ) ) {
if ( $this->captcha->check( $_POST['siteguard_captcha_prefix'], $_POST['siteguard_captcha'], false ) ) {
return $comment;
}
}
}
wp_die( esc_html__( 'ERROR: Invalid CAPTCHA.', 'siteguard' ) );
}
}