<?php
namespace base;
use app\service\AppMiniUserService;
* 支付宝驱动
* @author Devil
* @version V_1.0.0
*/
class Alipay
{
* 获取用户授权信息
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-24T21:55:45+0800
* @param [string] $app_id [应用appid]
* @param [string] $authcode [用户授权码]
* @return [array|boolean] [失败false, 用户授权信息]
*/
public function GetAuthSessionKey($app_id, $authcode = '')
{
if(empty($app_id) || empty($authcode))
{
return DataReturn(MyLang('params_error_tips'), -1);
}
$param = [
'app_id' => $app_id,
'method' => 'alipay.system.oauth.token',
'charset' => 'utf-8',
'format' => 'JSON',
'sign_type' => 'RSA2',
'timestamp' => date('Y-m-d H:i:s'),
'version' => '1.0',
'code' => $authcode,
'grant_type' => 'authorization_code',
'biz_content' => 'mini-authcode',
];
$p = $this->GetParamSign($param);
$param['sign'] = $this->MyRsaSign($p['value']);
$result = $this->HttpRequest('https://openapi.alipay.com/gateway.do', $param);
if(!empty($result['alipay_system_oauth_token_response']['open_id']))
{
if(!$this->SyncRsaVerify($result, 'alipay_system_oauth_token_response'))
{
return DataReturn(MyLang('common_extend.base.alipay.sign_error_tips'), -1);
}
return DataReturn(MyLang('auth_success'), 0, $result['alipay_system_oauth_token_response']);
}
$msg = empty($result['error_response']['sub_msg']) ? MyLang('auth_fail') : $result['error_response']['sub_msg'];
return DataReturn($msg, -1);
}
* 生成参数和签名
* @param [array] $data [待生成的参数]
* @param [array] $config [配置信息]
* @return [array] [生成好的参数和签名]
*/
private function GetParamSign($data, $config = [])
{
$param = '';
$sign = '';
ksort($data);
foreach($data AS $key => $val)
{
$param .= "$key=" .urlencode($val). "&";
$sign .= "$key=$val&";
}
$result = array(
'param' => substr($param, 0, -1),
'value' => substr($sign, 0, -1),
);
if(!empty($config['key']))
{
$result['sign'] = $result['value'].$config['key'];
}
return $result;
}
* 签名字符串
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-24T08:38:28+0800
* @param [string] $prestr [需要签名的字符串]
* @return [string] [签名结果]
*/
private function MyRsaSign($prestr)
{
$res = "-----BEGIN RSA PRIVATE KEY-----\n";
$res .= wordwrap(AppMiniUserService::AppMiniConfig('common_app_mini_alipay_rsa_private'), 64, "\n", true);
$res .= "\n-----END RSA PRIVATE KEY-----";
return openssl_sign($prestr, $sign, $res, OPENSSL_ALGO_SHA256) ? base64_encode($sign) : null;
}
* RSA解密
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-24T09:12:06+0800
* @param [string] $content [需要解密的内容，密文]
* @return [string] [解密后内容，明文]
*/
private function MyRsaDecrypt($content)
{
$res = "-----BEGIN PUBLIC KEY-----\n";
$res .= wordwrap(AppMiniUserService::AppMiniConfig('common_app_mini_alipay_rsa_public'), 64, "\n", true);
$res .= "\n-----END PUBLIC KEY-----";
$res = openssl_get_privatekey($res);
$content = base64_decode($content);
$result = '';
for($i=0; $i<strlen($content)/128; $i++)
{
$data = substr($content, $i * 128, 128);
openssl_private_decrypt($data, $decrypt, $res, OPENSSL_ALGO_SHA256);
$result .= $decrypt;
}
unset($res);
return $result;
}
* 支付宝验证签名
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-24T08:39:50+0800
* @param [string] $prestr [需要签名的字符串]
* @param [string] $sign [签名结果]
* @return [boolean] [正确true, 错误false]
*/
private function OutRsaVerify($prestr, $sign)
{
$res = "-----BEGIN PUBLIC KEY-----\n";
$res .= wordwrap(AppMiniUserService::AppMiniConfig('common_app_mini_alipay_out_rsa_public'), 64, "\n", true);
$res .= "\n-----END PUBLIC KEY-----";
$pkeyid = openssl_pkey_get_public($res);
$sign = base64_decode($sign);
if($pkeyid)
{
$verify = openssl_verify($prestr, $sign, $pkeyid, OPENSSL_ALGO_SHA256);
unset($pkeyid);
}
return (isset($verify) && $verify == 1) ? true : false;
}
* 同步返回签名验证
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-25T13:13:39+0800
* @param [array] $data [返回数据]
* @param [boolean] $key [数据key]
*/
private function SyncRsaVerify($data, $key)
{
$string = json_encode($data[$key], JSON_UNESCAPED_UNICODE);
return $this->OutRsaVerify($string, $data['sign']);
}
* 网络请求
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-25T09:10:46+0800
* @param [string] $url [请求url]
* @param [array] $data [发送数据]
* @return [mixed] [请求返回数据]
*/
private function HttpRequest($url, $data)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FAILONERROR, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
$body_string = '';
if(is_array($data) && 0 < count($data))
{
foreach($data as $k => $v)
{
$body_string .= $k.'='.urlencode($v).'&';
}
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $body_string);
}
$headers = array('content-type: application/x-www-form-urlencoded;charset=UTF-8');
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$reponse = curl_exec($ch);
if(curl_errno($ch))
{
return false;
} else {
$httpStatusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if(200 !== $httpStatusCode)
{
return false;
}
}
curl_close($ch);
return json_decode($reponse, true);
}
* 小程序二维码创建
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-10-28T21:31:41+0800
* @param [string] $params['page'] [页面地址]
* @param [string] $params['scene'] [参数]
*/
public function MiniQrCodeCreate($params)
{
$p = [
[
'checked_type' => 'empty',
'key_name' => 'appid',
'error_msg' => MyLang('common_extend.base.alipay.appid_empty_tips'),
],
[
'checked_type' => 'empty',
'key_name' => 'page',
'error_msg' => MyLang('common_extend.base.common.page_empty_tips'),
],
[
'checked_type' => 'length',
'checked_data' => '1,32',
'key_name' => 'scene',
'error_msg' => MyLang('common_extend.base.common.scene_empty_tips'),
],
];
$ret = ParamsChecked($params, $p);
if($ret !== true)
{
return DataReturn($ret, -1);
}
$data = [
'app_id' => $params['appid'],
'method' => 'alipay.open.app.qrcode.create',
'charset' => 'utf-8',
'format' => 'JSON',
'sign_type' => 'RSA2',
'timestamp' => date('Y-m-d H:i:s'),
'version' => '1.0',
];
$biz_content = [
'url_param' => $params['page'],
'query_param' => $params['scene'],
'describe' => empty($params['describe']) ? 'ShopXO' : $params['describe'],
];
$data['biz_content'] = json_encode($biz_content, JSON_UNESCAPED_UNICODE);
$p = $this->GetParamSign($data);
$data['sign'] = $this->MyRsaSign($p['value']);
$result = $this->HttpRequest('https://openapi.alipay.com/gateway.do', $data);
$key = 'alipay_open_app_qrcode_create_response';
if(!empty($result[$key]['code']) && $result[$key]['code'] == 10000)
{
if(!$this->SyncRsaVerify($result, $key))
{
return DataReturn(MyLang('common_extend.base.alipay.sign_error_tips'), -1);
}
return DataReturn(MyLang('get_success'), 0, $result[$key]['qr_code_url']);
}
$msg = isset($res['sub_msg']) ? $res['sub_msg'] : MyLang('common_extend.base.common.get_qrcode_fail_tips');
return DataReturn($msg, -1);
}
}
?>