%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
use ioncube\phpOpensslCryptor\Cryptor;
class EasyWPSMTP_Utils {
public $enc_key;
protected static $instance = null;
public function __construct() {
require_once 'inc/Cryptor.php';
$key = get_option( 'swpsmtp_enc_key', false );
if ( empty( $key ) ) {
$key = wp_salt();
update_option( 'swpsmtp_enc_key', $key );
}
$this->enc_key = $key;
}
public static function get_instance() {
// If the single instance hasn't been set, set it now.
if ( null === self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
public static function base64_decode_maybe( $str ) {
if ( ! function_exists( 'mb_detect_encoding' ) ) {
return base64_decode( $str ); //phpcs:ignore
}
if ( mb_detect_encoding( $str ) === mb_detect_encoding( base64_decode( base64_encode( base64_decode( $str ) ) ) ) ) { //phpcs:ignore
$str = base64_decode( $str ); //phpcs:ignore
}
return $str;
}
public function encrypt_password( $pass ) {
if ( '' === $pass ) {
return '';
}
$password = Cryptor::Encrypt( $pass, $this->enc_key );
return $password;
}
public function decrypt_password( $pass ) {
$password = Cryptor::Decrypt( $pass, $this->enc_key );
return $password;
}
/**
* Sanitizes textarea. Tries to use wp sanitize_textarea_field() function. If that's not available, uses its own methods
* @return string
*/
public static function sanitize_textarea( $str ) {
if ( function_exists( 'sanitize_textarea_field' ) ) {
return sanitize_textarea_field( $str );
}
$filtered = wp_check_invalid_utf8( $str );
if ( strpos( $filtered, '<' ) !== false ) {
$filtered = wp_pre_kses_less_than( $filtered );
// This will strip extra whitespace for us.
$filtered = wp_strip_all_tags( $filtered, false );
// Use html entities in a special case to make sure no later
// newline stripping stage could lead to a functional tag
$filtered = str_replace( "<\n", "<\n", $filtered );
}
$filtered = trim( $filtered );
$found = false;
while ( preg_match( '/%[a-f0-9]{2}/i', $filtered, $match ) ) {
$filtered = str_replace( $match[0], '', $filtered );
$found = true;
}
if ( $found ) {
// Strip out the whitespace that may now exist after removing the octets.
$filtered = trim( preg_replace( '/ +/', ' ', $filtered ) );
}
return $filtered;
}
}
Zerion Mini Shell 1.0