审查视图

simplewind/extend/alipay/lotusphp_runtime/Cookie/Cookie.php 2.7 KB
lihan authored
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136
<?php
class LtCookie
{
	public $configHandle;
	private $secretKey;

	public function __construct()
	{
		if (! $this->configHandle instanceof LtConfig)
		{
			if (class_exists("LtObjectUtil", false))
			{
				$this->configHandle = LtObjectUtil::singleton("LtConfig");
			}
			else
			{
				$this->configHandle = new LtConfig;
			}
		}
	}

	public function init()
	{ 
		$this->secretKey = $this->configHandle->get("cookie.secret_key");
		if(empty($this->secretKey))
		{
			trigger_error("cookie.secret_key empty");
		}
	}

	/**
	 * Decrypt the encrypted cookie
	 * 
	 * @param string $encryptedText 
	 * @return string 
	 */
	protected function decrypt($encryptedText)
	{
		$key = $this->secretKey;
		$cryptText = base64_decode($encryptedText);
		$ivSize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
		$iv = mcrypt_create_iv($ivSize, MCRYPT_RAND);
		$decryptText = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $cryptText, MCRYPT_MODE_ECB, $iv);
		return trim($decryptText);
	}

	/**
	 * Encrypt the cookie
	 * 
	 * @param string $plainText 
	 * @return string 
	 */
	protected function encrypt($plainText)
	{
		$key = $this->secretKey;
		$ivSize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
		$iv = mcrypt_create_iv($ivSize, MCRYPT_RAND);
		$encryptText = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $plainText, MCRYPT_MODE_ECB, $iv);
		return trim(base64_encode($encryptText));
	}

	/**
	 * Set cookie value to deleted with $name
	 * 
	 * @param array $args 
	 * @return boolean 
	 */
	public function delCookie($name, $path = '/', $domain = null)
	{
		if (isset($_COOKIE[$name]))
		{
			if (is_array($_COOKIE[$name]))
			{
				foreach($_COOKIE[$name] as $k => $v)
				{
					setcookie($name . '[' . $k . ']', '', time() - 86400, $path, $domain);
				}
			}
			else
			{
				setcookie($name, '', time() - 86400, $path, $domain);
			}
		}
	}

	/**
	 * Get cookie value with $name
	 * 
	 * @param string $name 
	 * @return mixed 
	 */
	public function getCookie($name)
	{
		$ret = null;
		if (isset($_COOKIE[$name]))
		{
			if (is_array($_COOKIE[$name]))
			{
				$ret = array();
				foreach($_COOKIE[$name] as $k => $v)
				{
					$v = $this->decrypt($v);
					$ret[$k] = $v;
				}
			}
			else
			{
				$ret = $this->decrypt($_COOKIE[$name]);
			}
		}
		return $ret;
	}

	/**
	 * Set cookie
	 * 
	 * @param array $args 
	 * @return boolean 
	 */
	public function setCookie($name, $value = '', $expire = null, $path = '/', $domain = null, $secure = 0)
	{
		if (is_array($value))
		{
			foreach($value as $k => $v)
			{
				$v = $this->encrypt($v);
				setcookie($name . '[' . $k . ']', $v, $expire, $path, $domain, $secure);
			}
		}
		else
		{
			$value = $this->encrypt($value);
			setcookie($name, $value, $expire, $path, $domain, $secure);
		}
	}
}