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54 lines
1.3 KiB
54 lines
1.3 KiB
<?php |
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include_once "errorCode.php"; |
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/** |
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* XMLParse class |
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* |
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* 提供提取消息格式中的密文及生成回复消息格式的接口. |
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*/ |
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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 $xmltext 待提取的xml字符串 |
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* @return string 提取出的加密消息字符串 |
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*/ |
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public function extract($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 array(0, $encrypt, $tousername); |
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} catch (Exception $e) { |
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//print $e . "\n"; |
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return array(ErrorCode::$ParseXmlError, null, null); |
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} |
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} |
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/** |
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* 生成xml消息 |
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* @param string $encrypt 加密后的消息密文 |
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* @param string $signature 安全签名 |
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* @param string $timestamp 时间戳 |
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* @param string $nonce 随机字符串 |
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*/ |
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public function generate($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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?>
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