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控制器:
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2019/8/16
* Time: 7:36
*/
namespace App\Http\Controllers\Grant;
use App\Http\Controllers\Controller;
use App\Services\GrantService;
use App\Services\InfoService;
use Illuminate\Http\Request;
class GrantController extends Controller
{
public $WeChat;
public function __construct()
{
$this->WeChat = new GrantService();
}
/**
* 微信授权接口
*/
public function index(Request $request){
$code = $request->get('code');
$UserInfo = $this->WeChat->getUserOpenId($code);
return $UserInfo;
}
}
Service:
<?php
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2019/9/10
* Time: 9:56
*/
namespace App\Services;
use function AlibabaCloud\Client\json;
use App\Models\DrpUser;
class GrantService
{
public $appid;
public $secret;
public $wxdecrypt;
public function __construct()
{
$this->appid = env('APPID');
$this->secret = env('APPSECRET');
$this->wxdecrypt = new WXBizDataCryptService();
}
/**
* 获取openid
* @param string $code
* @return mixed
*/
public function getUserOpenId($code = '')
{
$url = 'https://api.weixin.qq.com/sns/jscode2session?appid=' . $this->appid . '&secret=' . $this->secret . '&js_code=' . $code . '&grant_type=authorization_code';
$result = curlGet($url);
$info=json_decode($result,true);
$openid['openid'] = array_get($info, 'openid');
$judge = DrpUser::where('openid',$openid['openid'])->first();
if(!empty($openid['openid'])){
if(empty($judge)){
DrpUser::insert($openid);
}
}
return json_decode($result, true);
}
}
Service中__construct()方法的检验数据的真实性的（类）
<?php
/**
* 微信数据解密
* Date: 2019/5/10
* Author: Mr.Z
*/
namespace App\Services;
class WXBizDataCryptService
{
private $OK = 0;
private $IllegalAesKey = -41001;
private $IllegalIv = -41002;
private $IllegalBuffer = -41003;
public function __construct()
{
$this->appid = env('APPID');
}
/**
* 检验数据的真实性，并且获取解密后的明文.
* @param $encryptedData string 加密的用户数据
* @param $iv string 与用户数据一同返回的初始向量
* @param $data string 解密后的原文
*
* @return int 成功0，失败返回对应的错误码
*/
public function decryptData($appid, $sessionKey, $encryptedData, $iv, &$data)
{
if (strlen($sessionKey) != 24) {
return $this->IllegalAesKey;
}
$aesKey = base64_decode($sessionKey);
if (strlen($iv) != 24) {
return $this->IllegalIv;
}
$aesIV = base64_decode($iv);
$aesCipher = base64_decode($encryptedData);
$result = openssl_decrypt($aesCipher, "AES-128-CBC", $aesKey, 1, $aesIV);
$dataObj = json_decode($result);
if ($dataObj == NULL) {
return $this->IllegalBuffer;
}
if ($dataObj->watermark->appid != $appid) {
return $this->IllegalBuffer;
}
$data = $result;
return $this->OK;
}
}
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