150 lines
3.2 KiB
PHP
150 lines
3.2 KiB
PHP
<?php
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class YsepayResponse
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{
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/**
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* 响应签名节点名
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*/
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const SIGN_NODE = 'sign';
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/**
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* 响应数据节点后缀
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*/
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const RESPONSE_SUFFIX = '_response';
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/**
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* 原始响应
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*
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* @var string
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*/
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protected $raw;
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/**
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* 已解析的响应
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*
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* @var mixed
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*/
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protected $parsed;
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/**
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* 数据节点名称
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*/
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protected $nodeName;
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/**
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* 待验签数据
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*/
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protected $signData;
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/**
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* @param $raw 原始数据
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* @param $apiName 接口名称
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*/
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public function __construct($raw, $apiName)
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{
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$this->raw = $raw;
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$this->parsed = json_decode($raw, true);
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if (!$this->parsed) {
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$error = function_exists('json_last_error_msg') ? json_last_error_msg() : json_last_error();
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throw new \Exception('返回数据解析失败:'.$error);
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}
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$this->parseResponseData($apiName);
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}
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/**
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* 获取原始响应的被签名数据，用于验证签名.
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*
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* @param $apiName
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*/
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protected function parseResponseData($apiName)
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{
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$nodeName = str_replace(".", "_", $apiName) . self::RESPONSE_SUFFIX;
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$nodeIndex = strpos($this->raw, $nodeName);
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if (!$nodeIndex) {
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throw new \Exception('Response data not found');
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}
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$this->nodeName = $nodeName;
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$signDataStartIndex = $nodeIndex + strlen($nodeName) + 2;
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$signIndex = strrpos($this->raw, '"'.static::SIGN_NODE.'"');
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$signDataEndIndex = $signIndex - 1;
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$indexLen = $signDataEndIndex - $signDataStartIndex;
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if ($indexLen < 0) {
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$signIndex = strrpos($this->raw, "}");
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$signDataEndIndex = $signIndex;
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$indexLen = $signDataEndIndex - $signDataStartIndex;
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}
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$this->signData = substr($this->raw, $signDataStartIndex, $indexLen);
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}
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/**
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* 获取待验签数据
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*
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* @return string
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*/
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public function getSignData()
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{
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return $this->signData;
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}
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/**
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* 获取响应内的签名.
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*
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* @return string
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*/
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public function getSign()
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{
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if (isset($this->parsed[static::SIGN_NODE])) {
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return $this->parsed[static::SIGN_NODE];
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}
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return null;
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}
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/**
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* 获取响应内的数据.
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*
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* @param bool $assoc
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*
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* @return mixed|object
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*/
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public function getData($assoc = true)
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{
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if (!isset($this->parsed[$this->nodeName])){
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return null;
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}
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$result = $this->parsed[$this->nodeName];
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if ($assoc == false) {
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$result = (object) ($result);
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}
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return $result;
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}
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/**
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* 判断响应是否成功.
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*
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* @return bool
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*/
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public function isSuccess()
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{
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if (!isset($this->parsed[$this->nodeName])){
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return false;
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}
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$data = $this->parsed[$this->nodeName];
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return isset($data['code']) && $data['code'] == '10000';
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}
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/**
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* 获取原始响应.
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*
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* @return string
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*/
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public function getRaw()
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{
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return $this->raw;
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}
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}
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