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137 lines
2.7 KiB
PHP
137 lines
2.7 KiB
PHP
<?php
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class LtCookie
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{
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public $configHandle;
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private $secretKey;
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public function __construct()
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{
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if (! $this->configHandle instanceof LtConfig)
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{
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if (class_exists("LtObjectUtil", false))
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{
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$this->configHandle = LtObjectUtil::singleton("LtConfig");
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}
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else
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{
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$this->configHandle = new LtConfig;
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}
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}
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}
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public function init()
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{
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$this->secretKey = $this->configHandle->get("cookie.secret_key");
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if(empty($this->secretKey))
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{
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trigger_error("cookie.secret_key empty");
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}
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}
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/**
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* Decrypt the encrypted cookie
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*
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* @param string $encryptedText
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* @return string
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*/
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protected function decrypt($encryptedText)
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{
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$key = $this->secretKey;
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$cryptText = base64_decode($encryptedText);
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$ivSize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
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$iv = mcrypt_create_iv($ivSize, MCRYPT_RAND);
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$decryptText = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $cryptText, MCRYPT_MODE_ECB, $iv);
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return trim($decryptText);
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}
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/**
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* Encrypt the cookie
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*
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* @param string $plainText
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* @return string
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*/
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protected function encrypt($plainText)
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{
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$key = $this->secretKey;
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$ivSize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
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$iv = mcrypt_create_iv($ivSize, MCRYPT_RAND);
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$encryptText = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $plainText, MCRYPT_MODE_ECB, $iv);
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return trim(base64_encode($encryptText));
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}
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/**
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* Set cookie value to deleted with $name
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*
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* @param array $args
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* @return boolean
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*/
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public function delCookie($name, $path = '/', $domain = null)
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{
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if (isset($_COOKIE[$name]))
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{
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if (is_array($_COOKIE[$name]))
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{
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foreach($_COOKIE[$name] as $k => $v)
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{
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setcookie($name . '[' . $k . ']', '', time() - 86400, $path, $domain);
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}
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}
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else
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{
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setcookie($name, '', time() - 86400, $path, $domain);
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}
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}
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}
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/**
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* Get cookie value with $name
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*
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* @param string $name
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* @return mixed
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*/
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public function getCookie($name)
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{
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$ret = null;
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if (isset($_COOKIE[$name]))
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{
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if (is_array($_COOKIE[$name]))
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{
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$ret = array();
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foreach($_COOKIE[$name] as $k => $v)
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{
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$v = $this->decrypt($v);
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$ret[$k] = $v;
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}
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}
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else
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{
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$ret = $this->decrypt($_COOKIE[$name]);
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}
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}
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return $ret;
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}
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/**
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* Set cookie
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*
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* @param array $args
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* @return boolean
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*/
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public function setCookie($name, $value = '', $expire = null, $path = '/', $domain = null, $secure = 0)
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{
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if (is_array($value))
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{
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foreach($value as $k => $v)
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{
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$v = $this->encrypt($v);
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setcookie($name . '[' . $k . ']', $v, $expire, $path, $domain, $secure);
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}
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}
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else
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{
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$value = $this->encrypt($value);
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setcookie($name, $value, $expire, $path, $domain, $secure);
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}
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}
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}
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