Alipay 支付类
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2022-03-20 16:57:09
本版本参考网友 ......
本版本参考网友
<?php namespace app\tools; class alipay { //应用id,您的appid。 private $appid = '111'; //商户私钥 private $rsaprivatekey = '11' private $notifyurl = '/pay/alipay/notify'; //同步跳转 private $returnurl = '/pay/alipay/notify'; //编码格式 private $charset = 'utf-8'; //签名方式 private $signtype = 'rsa2'; //支付宝网关 private $gatewayurl = 'https://openapi.alipay.com/gateway.do'; //支付宝公钥,查看地址:https://openhome.alipay.com/platform/keymanage.htm 对应appid下的支付宝公钥。 private $rsapublickey = 'miibijanbgkqhkig9w0gws9xpckxveogdtrqteekvhmoj81r+wkahdxnhwzkts1pcylvfqoaejf8ibr6qywkwx/atrrm72dd2hewidaqab'; private $filecharset = "utf-8"; // 表单提交字符集编码 public $postcharset = "utf-8"; //私钥文件路径 public $rsaprivatekeyfilepath; /** * 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 $timestamp 订单发起时间 * @return array */ public function pcpay($totalfee, $outtradeno, $ordername, $httpmethod = "post") { //公共提交参数 $commonconfigs = array( 'app_id' => $this->appid, 'method' => 'alipay.trade.page.pay', //接口名称 'format' => 'json', 'return_url' => $this->returnurl, 'charset' => $this->charset, 'sign_type' => 'rsa2', 'timestamp' => date('y-m-d h:i:s'), 'version' => '1.0', 'notify_url' => $this->notifyurl, ); //请求参数 $requestconfigs = array( 'out_trade_no' => $outtradeno, 'product_code' => 'fast_instant_trade_pay', 'total_amount' => $totalfee, //单位 元 'subject' => $ordername, //订单标题 ); $apiparams['biz_content'] = json_encode($requestconfigs); //合并数组 $totalparams = array_merge($apiparams, $commonconfigs); //待签名字符串 $presignstr = $this->getsigncontent($totalparams); //生成签名 $totalparams["sign"] = $this->generatesign($totalparams, $this->signtype); if ("get" == strtoupper($httpmethod)) { // //value做urlencode $prestring = $this->getsigncontenturlencode($totalparams); //拼接get请求串 $requesturl = $this->gatewayurl . "?" . $prestring; return $requesturl; } else { //拼接表单字符串 return $this->buildrequestform($totalparams); } } /** * 支付回调 * @param type $param */ public function notify($param) { $result = $this->check($param); return $result; } /** * 验签方法 * @param $arr 验签支付宝返回的信息,使用支付宝公钥。 * @return boolean */ protected function check($arr) { $result = $this->rsacheckv1($arr, $this->rsapublickey, $this->signtype); return $result; } /** * 建立请求,以表单html形式构造(默认) * @param $para_temp 请求参数数组 * @return 提交表单html文本 */ protected function buildrequestform($para_temp) { $shtml = "<form id='alipaysubmit' name='alipaysubmit' action='" . $this->gatewayurl . "?charset=" . trim($this->postcharset) . "' method='post' >"; while (list($key, $val) = each($para_temp)) { if (false === $this->checkempty($val)) { //$val = $this->characet($val, $this->postcharset); $val = str_replace("'", "'", $val); //$val = str_replace("\"",""",$val); $shtml .= "<input type='hidden' name='" . $key . "' value='" . $val . "'/>"; } } // foreach ($para_temp as $key => $val) { // if (false === $this->checkempty($val)) { // //$val = $this->characet($val, $this->postcharset); // $val = str_replace("'", "'", $val); // //$val = str_replace("\"",""",$val); // $shtml .= "<input type='hidden' name='" . $key . "' value='" . $val . "'/>"; // } // } //submit按钮控件请不要含有name属性 $shtml = $shtml . "<input type='submit' value='ok' style='display:none;''></form>"; $shtml = $shtml . "<script>document.forms['alipaysubmit'].submit();</script>"; return $shtml; } /** * 生成签名所需字符串 * @param type $params * @return string */ public function getsigncontent($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, $this->postcharset); if ($i == 0) { $stringtobesigned .= "$k" . "=" . "$v"; } else { $stringtobesigned .= "&" . "$k" . "=" . "$v"; } $i++; } } unset($k, $v); return $stringtobesigned; } /** * url拼接转义字符 * 此方法对value做urlencode * @param type $params * @return string */ public function getsigncontenturlencode($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, $this->postcharset); if ($i == 0) { $stringtobesigned .= "$k" . "=" . urlencode($v); } else { $stringtobesigned .= "&" . "$k" . "=" . urlencode($v); } $i++; } } unset($k, $v); return $stringtobesigned; } /** * 生成签名 * @param type $data * @param type $signtype * @return type */ protected function sign($data, $signtype = "rsa") { if ($this->checkempty($this->rsaprivatekeyfilepath)) { $prikey = $this->rsaprivatekey; $res = "-----begin rsa private key-----\n" . wordwrap($prikey, 64, "\n", true) . "\n-----end rsa private key-----"; } else { $prikey = file_get_contents($this->rsaprivatekeyfilepath); $res = openssl_get_privatekey($prikey); } ($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, $res, openssl_algo_sha256); } else { openssl_sign($data, $sign, $res); } if (!$this->checkempty($this->rsaprivatekeyfilepath)) { openssl_free_key($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; } /** * 转换字符集编码 * @param $data * @param $targetcharset * @return string */ protected function characet($data, $targetcharset) { if (!empty($data)) { $filetype = $this->filecharset; if (strcasecmp($filetype, $targetcharset) != 0) { $data = mb_convert_encoding($data, $targetcharset, $filetype); // $data = iconv($filetype, $targetcharset.'//ignore', $data); } } return $data; } /** * * @param type $params * @param type $signtype * @return type */ public function generatesign($params, $signtype = "rsa") { return $this->sign($this->getsigncontent($params), $signtype); } /** * * @param type $params * @param type $signtype * @return type */ public function rsasign($params, $signtype = "rsa") { return $this->sign($this->getsigncontent($params), $signtype); } /** rsacheckv1 & rsacheckv2 * 验证签名 * 在使用本方法前,必须初始化aopclient且传入公钥参数。 * 公钥是否是读取字符串还是读取文件,是根据初始化传入的值判断的。 * */ public function rsacheckv1($params, $rsapublickeyfilepath, $signtype = 'rsa') { $sign = $params['sign']; $params['sign_type'] = null; $params['sign'] = null; return $this->verify($this->getsigncontent($params), $sign, $rsapublickeyfilepath, $signtype); } public function rsacheckv2($params, $rsapublickeyfilepath, $signtype = 'rsa') { $sign = $params['sign']; $params['sign'] = null; return $this->verify($this->getsigncontent($params), $sign, $rsapublickeyfilepath, $signtype); } /** * 验证 * @param type $data * @param type $sign * @param type $rsapublickeyfilepath * @param type $signtype * @return type */ public function verify($data, $sign, $rsapublickeyfilepath, $signtype = 'rsa') { if ($this->checkempty($this->rsaprivatekeyfilepath)) { $pubkey = $this->rsapublickey; $res = "-----begin public key-----\n" . wordwrap($pubkey, 64, "\n", true) . "\n-----end public key-----"; } else { //读取公钥文件 $pubkey = file_get_contents($rsapublickeyfilepath); //转换为openssl格式密钥 $res = openssl_get_publickey($pubkey); } ($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), $res); } if (!$this->checkempty($this->rsaprivatekeyfilepath)) { //释放资源 openssl_free_key($res); } return $result; } }
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