Файловый менеджер

Файловый менеджер - Редактировать - /home/freeclou/optimyar/wp-content/plugins/wp-statistics/src/Components/Encryptor.php

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<?php namespace WP_Statistics\Components; use WP_Statistics; class Encryptor { private const NONCE_BYTES = SODIUM_CRYPTO_SECRETBOX_NONCEBYTES; private const KEY_BYTES = SODIUM_CRYPTO_SECRETBOX_KEYBYTES; private const CIPHER_KEY_OPTION = 'wp_statistics_cipher_key'; // Cached key to be used for encryption/decryption. private static $key = null; /** * Retrieve the key used for encryption/decryption. * * If defined, SALTs are used to generate a key. * If not, a random key is generated and stored in wp_options. * * @return string / private static function key(): string { if (self::$key !== null) { return self::$key; } // Build material from whichever SALTs are defined. $material = (defined('AUTH_KEY') ? AUTH_KEY : '') . (defined('SECURE_AUTH_KEY') ? SECURE_AUTH_KEY : '') . (defined('LOGGED_IN_KEY') ? LOGGED_IN_KEY : '') . (defined('NONCE_KEY') ? NONCE_KEY : '') . (defined('AUTH_SALT') ? AUTH_SALT : '') . (defined('SECURE_AUTH_SALT') ? SECURE_AUTH_SALT : '') . (defined('LOGGED_IN_SALT') ? LOGGED_IN_SALT : '') . (defined('NONCE_SALT') ? NONCE_SALT : ''); if ($material !== '') { self::$key = sodium_crypto_generichash($material, '', self::KEY_BYTES); return self::$key; } // If no SALTs are defined, fall back to a persistent random key in wp_options. $cipherKey = get_option(self::CIPHER_KEY_OPTION); $rawKey = is_string($cipherKey) ? base64_decode($cipherKey, true) : false; if ($rawKey == false \|\| strlen($rawKey) !== self::KEY_BYTES) { $rawKey = random_bytes(self::KEY_BYTES); update_option(self::CIPHER_KEY_OPTION, base64_encode($rawKey), true); } // Cache the key for future use. self::$key = $rawKey; return self::$key; } /* * Encrypts a given plain text string and returns the encrypted token. * * @param string $plainText * @return string The encrypted token. / public static function encrypt($plainText) { $nonce = random_bytes(self::NONCE_BYTES); $cipher = sodium_crypto_secretbox($plainText, $nonce, self::key()); return rtrim(strtr(base64_encode($nonce . $cipher), '+/', '-_'), '='); } /* * Decrypts a given encrypted token and returns the plain text string. * * @param string $token The encrypted token to decrypt. * @return string\|false The decrypted plain text string, or false if decryption failed. */ public static function decrypt($token) { $token = base64_decode(strtr($token, '-_', '+/')); if ($token === false \|\| strlen($token) < self::NONCE_BYTES) { WP_Statistics::log(esc_html__('Malformed token', 'wp-statistics'), 'error'); return false; } $nonce = substr($token, 0, self::NONCE_BYTES); $cipher = substr($token, self::NONCE_BYTES); $plain = sodium_crypto_secretbox_open($cipher, $nonce, self::key()); if ($plain === false) { WP_Statistics::log(esc_html__('Failed to decrypt token', 'wp-statistics'), 'error'); return false; } return $plain; } }

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