Файловый менеджер

Файловый менеджер - Редактировать - /home/lmsyaran/public_html/joomla5/libraries/fabrik/fabrik/fabrik/Helpers/FCipher.php

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<?php /** * @package ${NAMESPACE} * @subpackage * * @copyright A copyright * @license A "Slug" license name e.g. GPL2 / namespace Fabrik\Helpers; // No direct access defined('_JEXEC') or die('Restricted access'); use Joomla\CMS\Table\Table; use Joomla\CMS\Component\ComponentHelper; use Joomla\CMS\Factory; use Joomla\CMS\Crypt\Cipher; use Joomla\CMS\Crypt\Key; use Joomla\CMS\Crypt\Cipher\SodiumCipher; use Joomla\CMS\Encrypt\Aes; class FCipher { private $key; private $cipher; private $type; public function __construct($type = 'aes') { $this->type = $type; if ($type === 'crypt') { $this->cipher = new Cipher\CryptoCipher(); $this->key = $this->getKey(); } else if ($type === 'simple') { $this->key = $this->oldKey(); } else if ($type === 'sodium') { $this->cipher = new SodiumCipher(); $this->key = $this->getKey(); } else { $config = Factory::getApplication()->getConfig(); $secret = $config->get('secret', ''); if (trim($secret) == '') { throw new RuntimeException('You must supply a secret code in your Joomla configuration.php file'); } // $this->cipher = new \FOFEncryptAes($secret, 256); $this->cipher = new Aes($secret, 256); } } public function encrypt($data) { try { if ($this->type === 'crypt') { return bin2hex($this->cipher->encrypt($data, $this->key)); } else if ($this->type === 'sodium') { $this->cipher->setNonce(\Sodium\randombytes_buf(\Sodium\CRYPTO_BOX_NONCEBYTES)); return bin2hex($this->cipher->encrypt($data, $this->key)); } else if ($this->type === 'simple') { return $this->oldEncrypt($data, $this->key); } else { return $this->cipher->encryptString($data); } } catch (\Exception $e) { return false; } } public function decrypt($data) { try { if ($this->type === 'crypt') { return $this->cipher->decrypt(hex2bin($data), $this->key); } else if ($this->type === 'sodium') { $this->cipher->setNonce(\Sodium\randombytes_buf(\Sodium\CRYPTO_BOX_NONCEBYTES)); return bin2hex($this->cipher->decrypt($data, $this->key)); } else if ($this->type === 'simple') { return $this->oldDecrypt($data, $this->key); } else { //return rtrim($this->cipher->decryptString($data), "\0"); return $this->cipher->decryptString($data); } } catch (\Exception $e) { return false; } } private function getKey() { $fbConfig = ComponentHelper::getParams('com_fabrik'); $privateKey = $fbConfig->get('fabrik_private_key', ''); $publicKey = $fbConfig->get('fabrik_public_key', ''); if (empty($privateKey)) { $key = $this->generateKey(); } else { $key = new Key('crypto', hex2bin($privateKey), hex2bin($publicKey)); } return $key; } private function generateKey() { $fbConfig = ComponentHelper::getParams('com_fabrik'); $key = $this->cipher->generateKey(); //$privateKey = $key->getPrivate(); //$publicKey = $key->getPublic(); $privateKey = $key->private; $publicKey = $key->public; $fbConfig->set('fabrik_private_key', bin2hex($privateKey)); $fbConfig->set('fabrik_public_key', bin2hex($publicKey)); $componentid = ComponentHelper::getComponent('com_fabrik')->id; $table = Table::getInstance('extension'); $table->load($componentid); $table->bind(array('params' => $fbConfig->toString())); // check for error if (!$table->check()) { echo $table->getError(); return false; } // Save to database if (!$table->store()) { echo $table->getError(); return false; } return $key; } /* * Method to decrypt a data string. * * NOTE - this is the old deprecated J! simple crypt, only here for legacy (converting old to new) * * @param string $data The encrypted string to decrypt. * @param object $key The key[/pair] object to use for decryption. * * @return string The decrypted data string. * * @since 12.1 * @throws \InvalidArgumentException / public function oldDecrypt($data, $key) { // Validate key. if ($key->type != 'simple') { throw new \InvalidArgumentException('Invalid key of type: ' . $key->type . '. Expected simple.'); } $decrypted = ''; $tmp = $key->public; // Convert the HEX input into an array of integers and get the number of characters. $chars = $this->_hexToIntArray($data); $charCount = count($chars); // Repeat the key as many times as necessary to ensure that the key is at least as long as the input. for ($i = 0; $i < $charCount; $i = strlen($tmp)) { $tmp = $tmp . $tmp; } // Get the XOR values between the ASCII values of the input and key characters for all input offsets. for ($i = 0; $i < $charCount; $i++) { $decrypted .= chr($chars[$i] ^ ord($tmp[$i])); } return $decrypted; } /* * Method to encrypt a data string. * * NOTE - this is the old deprecated J! simple crypt, only here for legacy (converting old to new) * * @param string $data The data string to encrypt. * @param object $key The key[/pair] object to use for encryption. * * @return string The encrypted data string. * * @since 12.1 * @throws \InvalidArgumentException / public function oldEncrypt($data, $key) { // Validate key. if ($key->type != 'simple') { throw new \InvalidArgumentException('Invalid key of type: ' . $key->type . '. Expected simple.'); } $encrypted = ''; $tmp = $key->private; // Split up the input into a character array and get the number of characters. $chars = preg_split('//', $data, -1, PREG_SPLIT_NO_EMPTY); $charCount = count($chars); // Repeat the key as many times as necessary to ensure that the key is at least as long as the input. for ($i = 0; $i < $charCount; $i = strlen($tmp)) { $tmp = $tmp . $tmp; } // Get the XOR values between the ASCII values of the input and key characters for all input offsets. for ($i = 0; $i < $charCount; $i++) { $encrypted .= $this->_intToHex(ord($tmp[$i]) ^ ord($chars[$i])); } return $encrypted; } /* * Method to generate a new encryption key[/pair] object. * * @param array $options Key generation options. * * @return Key * * @since 12.1 / public function oldKey(array $options = array()) { // Create the new encryption key[/pair] object. $key = new \stdClass(); // Just a random key of a given length. $key->type = 'simple'; $key->private = Factory::getApplication()->getConfig()->get('secret'); $key->public = $key->private; return $key; } /* * Convert hex to an integer * * @param string $s The hex string to convert. * @param integer $i The offset? * * @return integer * * @since 11.1 / private function _hexToInt($s, $i) { $j = (int) $i 2; $k = 0; $s1 = (string) $s; // Get the character at position $j. $c = substr($s1, $j, 1); // Get the character at position $j + 1. $c1 = substr($s1, $j + 1, 1); switch ($c) { case 'A': $k += 160; break; case 'B': $k += 176; break; case 'C': $k += 192; break; case 'D': $k += 208; break; case 'E': $k += 224; break; case 'F': $k += 240; break; case ' ': $k += 0; break; default: (int) $k = $k + (16 * (int) $c); break; } switch ($c1) { case 'A': $k += 10; break; case 'B': $k += 11; break; case 'C': $k += 12; break; case 'D': $k += 13; break; case 'E': $k += 14; break; case 'F': $k += 15; break; case ' ': $k += 0; break; default: $k += (int) $c1; break; } return $k; } /** * Convert hex to an array of integers * * @param string $hex The hex string to convert to an integer array. * * @return array An array of integers. * * @since 11.1 / private function _hexToIntArray($hex) { $array = array(); $j = (int) strlen($hex) / 2; for ($i = 0; $i < $j; $i++) { $array[$i] = (int) $this->_hexToInt($hex, $i); } return $array; } /* * Convert an integer to a hexadecimal string. * * @param integer $i An integer value to convert to a hex string. * * @return string * * @since 11.1 / private function _intToHex($i) { // Sanitize the input. $i = (int) $i; // Get the first character of the hexadecimal string if there is one. $j = (int) ($i / 16); if ($j === 0) { $s = ' '; } else { $s = strtoupper(dechex($j)); } // Get the second character of the hexadecimal string. $k = $i - $j 16; $s = $s . strtoupper(dechex($k)); return $s; } }

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