as2252258@163.com
50 lines
1.1 KiB
PHP
50 lines
1.1 KiB
PHP
<?php
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namespace wchat\officialaccount\dcaler;
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use wchat\officialaccount\NewsManager;
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class XMLParse
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{
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/**
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* 提取出xml数据包中的加密消息
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* @param string $xmltext 待提取的xml字符串
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* @return array 提取出的加密消息字符串
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*/
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public function extract($xmltext)
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{
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try {
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$xml = new \DOMDocument();
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$xml->loadXML($xmltext);
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$array_e = $xml->getElementsByTagName('Encrypt');
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$array_a = $xml->getElementsByTagName('ToUserName');
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$encrypt = $array_e->item(0)->nodeValue;
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$tousername = $array_a->item(0)->nodeValue;
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return [0, $encrypt, $tousername];
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} catch (\Exception $e) {
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return [NewsManager::ParseXmlError, null, null];
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}
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}
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/**
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* @param $encrypt
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* @param $signature
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* @param $timestamp
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* @param $nonce
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* @return string
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*/
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public function generate($encrypt, $signature, $timestamp, $nonce)
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{
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$format = "<xml>
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<Encrypt><![CDATA[%s]]></Encrypt>
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<MsgSignature><![CDATA[%s]]></MsgSignature>
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<TimeStamp>%s</TimeStamp>
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<Nonce><![CDATA[%s]]></Nonce>
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</xml>";
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return sprintf($format, $encrypt, $signature, $timestamp, $nonce);
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}
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}
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