<?php
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/**
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* PhalApi_Cookie_Multi 多级COOKIE
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*
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* - 使用crypt进行加解密
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* - 带记忆功能，即设置后此时能获取
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*
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* @package PhalApi\Cookie
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* @license http://www.phalapi.net/license GPL 协议
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* @link http://www.phalapi.net/
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* @author dogstar <chanzonghuang@gmail.com> 2015-04-11
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*/
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class PhalApi_Cookie_Multi extends PhalApi_Cookie {
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/**
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* @param $config['crypt'] 加密的服务，如果未设置，默认取DI()->crypt，须实现PhalApi_Crypt接口
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* @param $config['key'] $config['crypt']用的密钥，未设置时有一个md5串
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*/
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public function __construct($config = array()) {
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parent::__construct($config);
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$this->config['crypt'] = isset($config['crypt']) ? $config['crypt'] : DI()->crypt;
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if (isset($config['crypt']) && $config['crypt'] instanceof PhalApi_Crypt) {
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$this->config['key'] = isset($config['key'])
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? $config['key'] : 'debcf37743b7c835ba367548f07aadc3';
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} else {
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$this->config['crypt'] = NULL;
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}
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}
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/**
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* 解密获取COOKIE
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* @see PhalApi_Cookie::get()
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*/
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public function get($name = NULL) {
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$rs = parent::get($name);
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if (!isset($this->config['crypt'])) {
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return $rs;
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}
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if (is_array($rs)) {
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foreach ($rs as &$valueRef) {
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$this->config['crypt']->decrypt($valueRef, $this->config['key']);
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}
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} else if ($rs !== NULL) {
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$rs = $this->config['crypt']->decrypt($rs, $this->config['key']);
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}
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return $rs;
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}
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/**
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* 加密设置COOKIE&记忆功能
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* @see PhalApi_Cookie::set()
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*/
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public function set($name, $value, $expire = NULL) {
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if (isset($this->config['crypt'])) {
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$value = $this->config['crypt']->encrypt($value, $this->config['key']);
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}
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$_COOKIE[$name] = $value;
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if ($expire < $_SERVER['REQUEST_TIME']) {
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unset($_COOKIE[$name]);
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}
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return parent::set($name, $value, $expire);
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}
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}
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