120 lines
2.7 KiB
PHP
120 lines
2.7 KiB
PHP
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<?php
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namespace app\api\wxapi\pay;
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use app\api\wxapi\pay\WxPayDataBase;
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/**
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*
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* 接口调用结果类
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* @author widyhu
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*
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*/
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class WxPayResults extends WxPayDataBase
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{
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/**
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* 生成签名 - 重写该方法
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* @param WxPayConfigInterface $config 配置对象
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* @param bool $needSignType 是否需要补signtype
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* @return 签名，本函数不覆盖sign成员变量，如要设置签名需要调用SetSign方法赋值
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*/
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public function MakeSign($config, $needSignType = false)
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{
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//签名步骤一：按字典序排序参数
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ksort($this->values);
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$string = $this->ToUrlParams();
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//签名步骤二：在string后加入KEY
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$string = $string . "&key=".$config->GetKey();
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//签名步骤三：MD5加密或者HMAC-SHA256
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if(strlen($this->GetSign()) <= 32){
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//如果签名小于等于32个,则使用md5验证
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$string = md5($string);
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} else {
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//是用sha256校验
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$string = hash_hmac("sha256",$string ,$config->GetKey());
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}
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//签名步骤四：所有字符转为大写
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$result = strtoupper($string);
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return $result;
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}
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/**
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* @param WxPayConfigInterface $config 配置对象
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* 检测签名
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*/
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public function CheckSign($config)
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{
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if(!$this->IsSignSet()){
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throw new WxPayException("签名错误！");
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}
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$sign = $this->MakeSign($config, false);
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if($this->GetSign() == $sign){
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//签名正确
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return true;
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}
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throw new WxPayException("签名错误！");
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}
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/**
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*
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* 使用数组初始化
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* @param array $array
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*/
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public function FromArray($array)
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{
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$this->values = $array;
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}
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/**
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*
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* 使用数组初始化对象
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* @param array $array
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* @param 是否检测签名 $noCheckSign
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*/
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public static function InitFromArray($config, $array, $noCheckSign = false)
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{
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$obj = new self();
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$obj->FromArray($array);
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if($noCheckSign == false){
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$obj->CheckSign($config);
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}
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return $obj;
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}
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/**
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*
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* 设置参数
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* @param string $key
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* @param string $value
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*/
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public function SetData($key, $value)
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{
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$this->values[$key] = $value;
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}
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/**
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* 将xml转为array
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* @param WxPayConfigInterface $config 配置对象
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* @param string $xml
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* @throws WxPayException
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*/
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public static function Init($config, $xml)
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{
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$obj = new self();
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$obj->FromXml($xml);
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//失败则直接返回失败
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if($obj->values['return_code'] != 'SUCCESS') {
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foreach ($obj->values as $key => $value) {
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#除了return_code和return_msg之外其他的参数存在，则报错
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if($key != "return_code" && $key != "return_msg"){
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throw new WxPayException("输入数据存在异常！");
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return false;
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}
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}
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return $obj->GetValues();
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}
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$obj->CheckSign($config);
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return $obj->GetValues();
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}
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}
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