thinkphp在app接口开发过程中的通讯安全认证

<?php
namespace Home\Controller;
use Think\Controller; class IndexController extends Controller { public $appid = 'dmm888'; public $appsecret = 'http://cnblogs.com/dmm888'; public function index(){ $this->show('<style type="text/css">*{ padding: 0; margin: 0; } div{ padding: 4px 48px;} body{ background: #fff; font-family: "微软雅黑"; color: #333;font-size:24px} h1{ font-size: 100px; font-weight: normal; margin-bottom: 12px; } p{ line-height: 1.8em; font-size: 36px }</style><div style="padding: 24px 48px;"> <h1>:)</h1><p>欢迎使用 <b>ThinkPHP</b>！</p><br/>[ 您现在访问的是Home模块的Index控制器 ]</div><script type="text/javascript" src="http://tajs.qq.com/stats?sId=9347272" charset="UTF-8"></script>','utf-8'); } public function test(){ if(!isset($_GET['token'])){ $this->apiReturn(4001,'invalid token'); }else if(!S($_GET['token'])){ $this->apiReturn(4001,'invalid token'); } $data = array( 'id'=>2, 'username'=>'明之暗夜', 'info'=>array('age'=>24,'address'=>'学府路','url'=>'http://cnblogs.com/dmm888') ); if($data){ $this->apiReturn(200,'读取用户信息成功',$data,xml); } } public function getToken(){ $ori_str = S($this->appid.'_'.$this->appsecret); //这里appid和appsecret我写固定了，实际是通过客户端获取 所以这里我们可以做很多 比如判断appid和appsecret有效性等 if($ori_str){ //重新获取就把以前的token删除 S($ori_str,null); } //这里是token产生的机制 您也可以自己定义 $nonce = $this->createNoncestr(32); $tmpArr = array($nonce,$this->appid,$this->appsecret); sort($tmpArr, SORT_STRING); $tmpStr = implode( $tmpArr ); $tmpStr = sha1( $tmpStr ); // echo $tmpStr; //这里做了缓存 'a'=>b 和'b'=>a格式的缓存 S($this->appid.'_'.$this->appsecret,$tmpStr,7200); S($tmpStr,$this->appid.'_'.$this->appsecret,7200); } /** * 作用：产生随机字符串，不长于32位 */ function createNoncestr( $length = 32 ) { $chars = "abcdefghijklmnopqrstuvwxyz0123456789"; $str =""; for ( $i = 0; $i < $length; $i++ ) { $str.= substr($chars, mt_rand(0, strlen($chars)-1), 1); } return $str; } }