PHP开发api接口安全验证的实例讲解

<?php/** * Created by PhpStorm. * User: Administrator * Date: 2017/3/16 0016 * Time: 15:56 */namespace Client/Controller;use Think/Controller;class ClientController extends Controller{ const TOKEN = 'API'; //模拟前台请求服务器api接口 public function getDataFromServer(){  //时间戳  $timeStamp = time();  //随机数  $randomStr = $this -> createNonceStr();  //生成签名  $signature = $this -> arithmetic($timeStamp,$randomStr);  //url地址  $url = "http://www.apitest.com/Server/Server/respond/t/{$timeStamp}/r/{$randomStr}/s/{$signature}";  $result = $this -> httpGet($url);  dump($result); } //curl模拟get请求。 private function httpGet($url){  $curl = curl_init();  //需要请求的是哪个地址  curl_setopt($curl,CURLOPT_URL,$url);  //表示把请求的数据已文件流的方式输出到变量中  curl_setopt($curl,CURLOPT_RETURNTRANSFER,1);  $result = curl_exec($curl);  curl_close($curl);  return $result; } //随机生成字符串 private function createNonceStr($length = 8) {  $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";  $str = "";  for ($i = 0; $i < $length; $i++) {   $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);  }  return "z".$str; } /**  * @param $timeStamp 时间戳  * @param $randomStr 随机字符串  * @return string 返回签名  */ private function arithmetic($timeStamp,$randomStr){  $arr['timeStamp'] = $timeStamp;  $arr['randomStr'] = $randomStr;  $arr['token'] = self::TOKEN;  //按照首字母大小写顺序排序  sort($arr,SORT_STRING);  //拼接成字符串  $str = implode($arr);  //进行加密  $signature = sha1($str);  $signature = md5($signature);  //转换成大写  $signature = strtoupper($signature);  return $signature; }}

<?php/** * Created by PhpStorm. * User: Administrator * Date: 2017/3/16 0016 * Time: 16:01 */namespace Server/Controller;use Think/Controller;class ServerController extends Controller{ const TOKEN = 'API'; //响应前台的请求 public function respond(){  //验证身份  $timeStamp = $_GET['t'];  $randomStr = $_GET['r'];  $signature = $_GET['s'];  $str = $this -> arithmetic($timeStamp,$randomStr);  if($str != $signature){   echo "-1";   exit;  }  //模拟数据  $arr['name'] = 'api';  $arr['age'] = 15;  $arr['address'] = 'zz';  $arr['ip'] = "192.168.0.1";  echo json_encode($arr); } /**  * @param $timeStamp 时间戳  * @param $randomStr 随机字符串  * @return string 返回签名  */ public function arithmetic($timeStamp,$randomStr){  $arr['timeStamp'] = $timeStamp;  $arr['randomStr'] = $randomStr;  $arr['token'] = self::TOKEN;  //按照首字母大小写顺序排序  sort($arr,SORT_STRING);  //拼接成字符串  $str = implode($arr);  //进行加密  $signature = sha1($str);  $signature = md5($signature);  //转换成大写  $signature = strtoupper($signature);  return $signature; }}

string(57) "{"name":"api","age":15,"address":"zz","ip":"192.168.0.1"}"