记录一下支付宝当面付开发
Sonder
2020-06-22
5587字
14分钟
浏览 (3.8k)
class f2fpayService
{
protected $appId;
protected $notifyUrl;
//私钥文件路径
// protected $rsaPrivateKeyFilePath;
//私钥值
protected $rsaPrivateKey;
public function __construct($appid, $notifyUrl, $saPrivateKey)
{
$this->appId = $appid;
$this->notifyUrl = $notifyUrl;
$this->charset = 'utf8';
$this->rsaPrivateKey = $saPrivateKey;
}
/**
* 发起订单
* @param float $totalFee 收款总费用 单位元
* @param string $outTradeNo 唯一的订单号
* @param string $orderName 订单名称
* @param string $notifyUrl 支付结果通知url 不要有问号
* @param string $timestamp 订单发起时间
* @return array
*/
public function doPay($totalFee, $outTradeNo, $orderName, $notifyUrl)
{
//请求参数
$requestConfigs = array(
'out_trade_no' => $outTradeNo,
'total_amount' => $totalFee, //单位 元
'subject' => $orderName, //订单标题
);
$commonConfigs = array(
//公共参数
'app_id' => $this->appId,
'method' => 'alipay.trade.precreate', //接口名称
'format' => 'JSON',
'charset' => $this->charset,
'sign_type' => 'RSA2',
'timestamp' => date('Y-m-d H:i:s'),
'version' => '1.0',
'notify_url' => $notifyUrl,
'biz_content' => json_encode($requestConfigs),
);
$commonConfigs["sign"] = $this->generateSign($commonConfigs, $commonConfigs['sign_type']);
$result = $this->curlPost('https://openapi.alipay.com/gateway.do', $commonConfigs);
return json_decode($result, true);
}
public function generateSign($params, $signType = "RSA")
{
return $this->sign($this->getSignContent($params), $signType);
}
protected function sign($data, $signType = "RSA")
{
$priKey = $this->rsaPrivateKey;
$res = "-----BEGIN RSA PRIVATE KEY-----\n" .
wordwrap($priKey, 64, "\n", true) .
"\n-----END RSA PRIVATE KEY-----";
($res) or die('您使用的私钥格式错误,请检查RSA私钥配置');
if ("RSA2" == $signType) {
openssl_sign($data, $sign, $res, version_compare(PHP_VERSION, '5.4.0', '<') ? SHA256 : OPENSSL_ALGO_SHA256); //OPENSSL_ALGO_SHA256是php5.4.8以上版本才支持
} else {
openssl_sign($data, $sign, $res);
}
$sign = base64_encode($sign);
return $sign;
}
/**
* 校验$value是否非空
* if not set ,return true;
* if is null , return true;
**/
protected function checkEmpty($value)
{
if (!isset($value))
return true;
if ($value === null)
return true;
if (trim($value) === "")
return true;
return false;
}
public function getSignContent($params)
{
ksort($params);
$stringToBeSigned = "";
$i = 0;
foreach ($params as $k => $v) {
if (false === $this->checkEmpty($v) && "@" != substr($v, 0, 1)) {
// 转换成目标字符集
$v = $this->characet($v, $this->charset);
if ($i == 0) {
$stringToBeSigned .= "$k" . "=" . "$v";
} else {
$stringToBeSigned .= "&" . "$k" . "=" . "$v";
}
$i++;
}
}
unset ($k, $v);
return $stringToBeSigned;
}
/**
* 转换字符集编码
* @param $data
* @param $targetCharset
* @return string
*/
private function characet($data, $targetCharset)
{
if (!empty($data)) {
$fileType = $this->charset;
if (strcasecmp($fileType, $targetCharset) != 0) {
$data = mb_convert_encoding($data, $targetCharset, $fileType);
//$data = iconv($fileType, $targetCharset.'//IGNORE', $data);
}
}
return $data;
}
private function curlPost($url = '', $postData = '', $options = array())
{
if (is_array($postData)) {
$postData = http_build_query($postData);
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数
if (!empty($options)) {
curl_setopt_array($ch, $options);
}
//https请求 不验证证书和host
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
public function verify($data, $sign, $alipayPublicKey, $signType = 'RSA')
{
$pubKey = $alipayPublicKey;
$res = "-----BEGIN PUBLIC KEY-----\n" .
wordwrap($pubKey, 64, "\n", true) .
"\n-----END PUBLIC KEY-----";
($res) or die('支付宝RSA公钥错误。请检查公钥文件格式是否正确');
//调用openssl内置方法验签,返回bool值
if ("RSA2" == $signType) {
$result = (bool)openssl_verify($data, base64_decode($sign), $res, OPENSSL_ALGO_SHA256);
} else {
$result = (bool)openssl_verify($data, base64_decode($sign), $res);
}
return $result;
}
}