PHP操作Cookie的类

1. class Cookie
2. {
3. /**
4. * 解密已经加密了的cookie
5. *
6. * @param string $encryptedText
7. * @return string
8. */
9. private static function _decrypt($encryptedText)
10. {
11. $key = Config::get('secret_key');
12. $cryptText = base64_decode($encryptedText);
13. $ivSize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
14. $iv = mcrypt_create_iv($ivSize, MCRYPT_RAND);
15. $decryptText = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $cryptText, MCRYPT_MODE_ECB, $iv);
16. return trim($decryptText);
17. }
19. /**
20. * 加密cookie
21. *
22. * @param string $plainText
23. * @return string
24. */
25. private static function _encrypt($plainText)
26. {
27. $key = Config::get('secret_key');
28. $ivSize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
29. $iv = mcrypt_create_iv($ivSize, MCRYPT_RAND);
30. $encryptText = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $plainText, MCRYPT_MODE_ECB, $iv);
31. return trim(base64_encode($encryptText));
32. }
34. /**
35. * 删除cookie
36. *
37. * @param array $args
38. * @return boolean
39. */
40. public static function del($args)
41. {
42. $name = $args['name'];
43. $domain = isset($args['domain']) ? $args['domain'] : null;
44. return isset($_COOKIE[$name]) ? setcookie($name, '', time() - 86400, '/', $domain) : true;
45. }
47. /**
48. * 得到指定cookie的值
49. *
50. * @param string $name
51. */
52. public static function get($name)
53. {
54. return isset($_COOKIE[$name]) ? self::_decrypt($_COOKIE[$name]) : null;
55. }
57. /**
58. * 设置cookie
59. *
60. * @param array $args
61. * @return boolean
62. */
63. public static function set($args)
64. {
65. $name = $args['name'];
66. $value= self::_encrypt($args['value']);
67. $expire = isset($args['expire']) ? $args['expire'] : null;
68. $path = isset($args['path']) ? $args['path'] : '/';
69. $domain = isset($args['domain']) ? $args['domain'] : null;
70. $secure = isset($args['secure']) ? $args['secure'] : 0;
71. return setcookie($name, $value, $expire, $path, $domain, $secure);
72. }
73. }

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PHP, Cookie