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- <?php
- /* *
- * 类名:AlipaySubmit
- * 功能:支付宝各接口请求提交类
- * 详细:构造支付宝各接口表单HTML文本,获取远程HTTP数据
- * 版本:3.3
- * 日期:2012-07-23
- * 说明:
- * 以下代码只是为了方便商户测试而提供的样例代码,商户可以根据自己网站的需要,按照技术文档编写,并非一定要使用该代码。
- * 该代码仅供学习和研究支付宝接口使用,只是提供一个参考。
- */
- require_once("alipay_core.function.php");
- require_once("alipay_rsa.function.php");
- require_once("alipay_md5.function.php");
- class AlipaySubmit {
- var $alipay_config;
- /**
- *支付宝网关地址
- */
- //var $alipay_gateway_new = 'https://mapi.alipay.com/gateway.do?';
- var $alipay_gateway_new = 'http://wappaygw.alipay.com/service/rest.htm?';
- function __construct($alipay_config){
- $this->alipay_config = $alipay_config;
- }
- function AlipaySubmit($alipay_config) {
- $this->__construct($alipay_config);
- }
-
- /**
- * 生成签名结果
- * @param $para_sort 已排序要签名的数组
- * return 签名结果字符串
- */
- function buildRequestMysign($para_sort) {
- //把数组所有元素,按照“参数=参数值”的模式用“&”字符拼接成字符串
- $prestr = createLinkstring($para_sort);
-
- $mysign = "";
- switch (strtoupper(trim($this->alipay_config['sign_type']))) {
- case "MD5" :
- $mysign = md5Sign($prestr, $this->alipay_config['key']);
- break;
- case "RSA" :
- $mysign = rsaSign($prestr, $this->alipay_config['private_key_path']);
- break;
- case "0001" :
- $mysign = rsaSign($prestr, $this->alipay_config['private_key_path']);
- break;
- default :
- $mysign = "";
- }
-
- return $mysign;
- }
- /**
- * 生成要请求给支付宝的参数数组
- * @param $para_temp 请求前的参数数组
- * @return 要请求的参数数组
- */
- function buildRequestPara($para_temp) {
- //除去待签名参数数组中的空值和签名参数
- $para_filter = paraFilter($para_temp);
- //对待签名参数数组排序
- $para_sort = argSort($para_filter);
- //生成签名结果
- $mysign = $this->buildRequestMysign($para_sort);
-
- //签名结果与签名方式加入请求提交参数组中
- $para_sort['sign'] = $mysign;
- if($para_sort['service'] != 'alipay.wap.trade.create.direct' && $para_sort['service'] != 'alipay.wap.auth.authAndExecute') {
- $para_sort['sign_type'] = strtoupper(trim($this->alipay_config['sign_type']));
- }
-
- return $para_sort;
- }
- /**
- * 生成要请求给支付宝的参数数组
- * @param $para_temp 请求前的参数数组
- * @return 要请求的参数数组字符串
- */
- function buildRequestParaToString($para_temp) {
- //待请求参数数组
- $para = $this->buildRequestPara($para_temp);
-
- //把参数组中所有元素,按照“参数=参数值”的模式用“&”字符拼接成字符串,并对字符串做urlencode编码
- $request_data = createLinkstringUrlencode($para);
-
- return $request_data;
- }
-
- /**
- * 建立请求,以表单HTML形式构造(默认)
- * @param $para_temp 请求参数数组
- * @param $method 提交方式。两个值可选:post、get
- * @param $button_name 确认按钮显示文字
- * @return 提交表单HTML文本
- */
- function buildRequestForm($para_temp, $method, $button_name) {
- //待请求参数数组
- $para = $this->buildRequestPara($para_temp);
-
- $sHtml = "<form id='alipaysubmit' name='alipaysubmit' action='".$this->alipay_gateway_new."_input_charset=".trim(strtolower($this->alipay_config['input_charset']))."' method='".$method."'>";
- while (list ($key, $val) = each ($para)) {
- $sHtml.= "<input type='hidden' name='".$key."' value='".$val."'/>";
- }
- //submit按钮控件请不要含有name属性
- $sHtml = $sHtml."<input type='submit' value='".$button_name."'></form>";
-
- $sHtml = $sHtml."<script>document.forms['alipaysubmit'].submit();</script>";
-
- return $sHtml;
- }
-
- /**
- * 建立请求,以模拟远程HTTP的POST请求方式构造并获取支付宝的处理结果
- * @param $para_temp 请求参数数组
- * @return 支付宝处理结果
- */
- function buildRequestHttp($para_temp) {
- $sResult = '';
-
- //待请求参数数组字符串
- $request_data = $this->buildRequestPara($para_temp);
- //远程获取数据
- $sResult = getHttpResponsePOST($this->alipay_gateway_new, $this->alipay_config['cacert'],$request_data,trim(strtolower($this->alipay_config['input_charset'])));
- return $sResult;
- }
-
- /**
- * 建立请求,以模拟远程HTTP的POST请求方式构造并获取支付宝的处理结果,带文件上传功能
- * @param $para_temp 请求参数数组
- * @param $file_para_name 文件类型的参数名
- * @param $file_name 文件完整绝对路径
- * @return 支付宝返回处理结果
- */
- function buildRequestHttpInFile($para_temp, $file_para_name, $file_name) {
-
- //待请求参数数组
- $para = $this->buildRequestPara($para_temp);
- $para[$file_para_name] = "@".$file_name;
-
- //远程获取数据
- $sResult = getHttpResponsePOST($this->alipay_gateway_new, $this->alipay_config['cacert'],$para,trim(strtolower($this->alipay_config['input_charset'])));
- return $sResult;
- }
-
- /**
- * 解析远程模拟提交后返回的信息
- * @param $str_text 要解析的字符串
- * @return 解析结果
- */
- function parseResponse($str_text) {
- //以“&”字符切割字符串
- $para_split = explode('&',$str_text);
- //把切割后的字符串数组变成变量与数值组合的数组
- foreach ($para_split as $item) {
- //获得第一个=字符的位置
- $nPos = strpos($item,'=');
- //获得字符串长度
- $nLen = strlen($item);
- //获得变量名
- $key = substr($item,0,$nPos);
- //获得数值
- $value = substr($item,$nPos+1,$nLen-$nPos-1);
- //放入数组中
- $para_text[$key] = $value;
- }
-
- if( ! empty ($para_text['res_data'])) {
- //解析加密部分字符串
- if($this->alipay_config['sign_type'] == '0001') {
- $para_text['res_data'] = rsaDecrypt($para_text['res_data'], $this->alipay_config['private_key_path']);
- }
-
- //token从res_data中解析出来(也就是说res_data中已经包含token的内容)
- $doc = new DOMDocument();
- $doc->loadXML($para_text['res_data']);
- $para_text['request_token'] = $doc->getElementsByTagName( "request_token" )->item(0)->nodeValue;
- }
-
- return $para_text;
- }
-
- /**
- * 用于防钓鱼,调用接口query_timestamp来获取时间戳的处理函数
- * 注意:该功能PHP5环境及以上支持,因此必须服务器、本地电脑中装有支持DOMDocument、SSL的PHP配置环境。建议本地调试时使用PHP开发软件
- * return 时间戳字符串
- */
- function query_timestamp() {
- $url = $this->alipay_gateway_new."service=query_timestamp&partner=".trim(strtolower($this->alipay_config['partner']))."&_input_charset=".trim(strtolower($this->alipay_config['input_charset']));
- $encrypt_key = "";
- $doc = new DOMDocument();
- $doc->load($url);
- $itemEncrypt_key = $doc->getElementsByTagName( "encrypt_key" );
- $encrypt_key = $itemEncrypt_key->item(0)->nodeValue;
-
- return $encrypt_key;
- }
- }
- ?>
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