使用 PHP 从 SOAP 响应中解析 CDATA [英] Parse CDATA from a SOAP Response with PHP

问题描述

我正在尝试使用 SimpleXML 和 Xpath 从 SOAP 响应中解析出 CDATA.我得到了我正在寻找的输出，但返回的输出是一行连续的数据，没有分隔符可以让我解析.

感谢您的帮助！

这是包含我需要解析的 CDATA 的 SOAP 响应:

<soapenv:Body><ns1:getIPServiceDataResponse xmlns:ns1="http://ws.icontent.idefense.com/V3/2"><ns1:return xsi:type="ns1:IPServiceDataResponse" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><ns1:status>成功</ns1:status><ns1:serviceType>IPservice_TIIncremental_ALL_xml_v1</ns1:serviceType><ns1:ipserviceData><![CDATA[<?xml version="1.0" encoding="utf-8"?><threat_indicators><tidata><indicator>URL</indicator><格式>STRING</format><value>http://update.lflink.com/aspnet_vil/debug.swf</value><role>EXPLOIT</role><sample_md5/><last_observed>2012-11-02 18:13:43.587000</last_observed><comment>APT Blade2009 - CVE-2012-5271</comment><ref_id/></tidata><URLdicator;/indicator><format>STRING</format><value>http://update.lflink.com/crossdomain.xml</value><role>EXPLOIT</role><sample_md5/>;last_observed>2012-11-02 18:14:04.108000</last_observed><comment>APT Blade2009 - CVE-2012-5271</comment><ref_id/><ref_id/>;indicator>DOMAIN</indicator><format>STRING</format><value>update.lflink.com</value><role>EXPLOIT</role><sample_md5/><last_observed>2012-11-02 18:15:10.445000</last_observed><comment>APT Blade2009-CVE-2012-5271<ref/gt;;/tidata></threat_indicators>]]></ns1:ipserviceData></ns1:return></ns1:getIPServiceDataResponse></soapenv:Body></soapenv:信封>

这是我用来尝试解析 CDATA 的 PHP 代码:

registerXPathNamespace('ns1', 'http://ws.icontent.idefense.com/V3/2');foreach ($xml->xpath("//ns1:ipserviceData") as $item){echo '
';print_r($item);echo '</pre>';}?>
这是 print_r 输出:
SimpleXMLElement 对象([0] =>URLSTRINGhttp://update.lflink.com/aspnet_vil/debug.swfEXPLOIT2012-11-02 18:13:43.587000APT Blade2009 - CVE-2012-5271URLSTRINGhttp://update.lflink.com/crossdomain.xmlEXPLOIT2012-1814:04.108000APT Blade2009 - CVE-2012-5271DOMAINSTRINGupdate.lflink.comEXPLOIT2012-11-02 18:15:10.445000APT Blade2009 - CVE-2012-5271)
有什么想法可以使输出可用吗?比如解析出CDATA输出的每个元素如:,,, 等等
仅供参考 - 还尝试使用 LIBXML_NOCDATA，但输出没有变化.
解决方案
你得到它作为一个单一的字符串，因为你要求它 - 只是字符串.
如果您希望能够将该字符串解析为 XML，那么可以从中创建一个新的 Simplexml 对象.
然后你有另一个可以解析 HTML 的字符串解析器(是的，就是这么简单；Demo):
$soap = simplexml_load_string($soapXML);$soap->registerXPathNamespace('ns1', 'http://ws.icontent.idefense.com/V3/2');$ipserviceData = simplexml_load_string($soap->xpath('//ns1:ipserviceData')[0]);//<threat_indicators><tidata><indicator>URL</indicator>echo $ipserviceData->tidata-> 指示器，\n"；# 网址
顺便说一句，LIBXML_NOCDATA 标志Docs 仅控制  部分是保留为 CDATA 节点还是合并为文本节点.
I'm trying to parse out the CDATA from a SOAP response using SimpleXML and Xpath. I get the output that I looking for but the output returned is one continuous line of data with no separators that would allow me to parse.

I appreciate any help!

Here is the SOAP response containing the CDATA that I need to parse:
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
   <soapenv:Body>
      <ns1:getIPServiceDataResponse xmlns:ns1="http://ws.icontent.idefense.com/V3/2">
         <ns1:return xsi:type="ns1:IPServiceDataResponse" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <ns1:status>Success</ns1:status>
            <ns1:serviceType>IPservice_TIIncremental_ALL_xml_v1</ns1:serviceType>
            <ns1:ipserviceData><![CDATA[<?xml version="1.0" encoding="utf-8"?><threat_indicators><tidata><indicator>URL</indicator><format>STRING</format><value>http://update.lflink.com/aspnet_vil/debug.swf</value><role>EXPLOIT</role><sample_md5/><last_observed>2012-11-02 18:13:43.587000</last_observed><comment>APT Blade2009 - CVE-2012-5271</comment><ref_id/></tidata><tidata><indicator>URL</indicator><format>STRING</format><value>http://update.lflink.com/crossdomain.xml</value><role>EXPLOIT</role><sample_md5/><last_observed>2012-11-02 18:14:04.108000</last_observed><comment>APT Blade2009 - CVE-2012-5271</comment><ref_id/></tidata><tidata><indicator>DOMAIN</indicator><format>STRING</format><value>update.lflink.com</value><role>EXPLOIT</role><sample_md5/><last_observed>2012-11-02 18:15:10.445000</last_observed><comment>APT Blade2009 - CVE-2012-5271</comment><ref_id/></tidata></threat_indicators>]]></ns1:ipserviceData>
         </ns1:return>
      </ns1:getIPServiceDataResponse>
   </soapenv:Body>
</soapenv:Envelope>
Here is PHP code I'm using to try to parse the CDATA:
<?php        
    $xml = simplexml_load_string($soap_response);
    $xml->registerXPathNamespace('ns1', 'http://ws.icontent.idefense.com/V3/2');

    foreach ($xml->xpath("//ns1:ipserviceData") as $item)
    {
        echo '<pre>';
        print_r($item);           
        echo '</pre>';
    }            
?>
Here's the print_r output:
SimpleXMLElement Object
(
    [0] => URLSTRINGhttp://update.lflink.com/aspnet_vil/debug.swfEXPLOIT2012-11-02 18:13:43.587000APT Blade2009 - CVE-2012-5271URLSTRINGhttp://update.lflink.com/crossdomain.xmlEXPLOIT2012-11-02 18:14:04.108000APT Blade2009 - CVE-2012-5271DOMAINSTRINGupdate.lflink.comEXPLOIT2012-11-02 18:15:10.445000APT Blade2009 - CVE-2012-5271
)
Any ideas what I can do to make the output usable? For example, parsing out each element of the CDATA output such as: <indicator></indicator>, <value></value>, <role></role>, etc.

FYI - Also tried using LIBXML_NOCDATA with no change in output.
解决方案
You get it as a single string because you have asked for that - just the string.

If you want to be able to parse that string as XML then, well create a new Simplexml object out of it.

Then you have another parser on the string which can parse the HTML (yes that simple; Demo):
$soap = simplexml_load_string($soapXML);
$soap->registerXPathNamespace('ns1', 'http://ws.icontent.idefense.com/V3/2');
$ipserviceData = simplexml_load_string($soap->xpath('//ns1:ipserviceData')[0]);

// <threat_indicators><tidata><indicator>URL</indicator>
echo $ipserviceData->tidata->indicator, "\n"; # URL
Btw, the LIBXML_NOCDATA flagDocs only controls whether the <![CDATA[...]]> parts are preserved as CDATA nodes or merged into text-nodes.

                        
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