Before being sent, CDATA is eliminated

Currently, I am integrating a SOAP call within an Angular application.

One requirement I have is to include CDATA for a specific section of the payload for certain calls.

angular.forEach(contactsCollection, function (item, index) {
    contacts = contacts +
        '<c>' +
            '<f><![CDATA[' + item.FirstName + ']]></f>' +
            '<l><![CDATA[' + item.LastName + ']]></l>' +
            '<e><![CDATA[' + item.EMailAddress1 + ']]></e>' +
        '</c>'
});

The AJAX tool used for the SOAP request is jquery.soap, which operates with an interceptor.

All requests are successful except for those including CDATA sections, which get omitted from the payload.

While checking, it seems that the content formation appears correct when passed to the SOAP call. However, in my payload, every section is accurate except for the contact part:

<Contacts><c><f></f><l></l><e></e></c>....

Any insights on this issue?

It seems like jquery.soap might be responsible for this behavior as it occurs during beforeSend. I'm struggling to identify the root cause. Could this be due to some kind of transformation?


The SOAP request structure for jquery.soap looks like this:

data: ['<?xml version="1.0" encoding="utf-8"?>' +
'<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">' +
    '<soap:Header>' +
    '<ServiceAuthHeader xmlns="http://xxx.cl.xxxxxx.xxxx.xxxx/">' +
        '<Username>' + User.Send.Username + '</Username>' +
        '<Password>' + User.Send.Password + '</Password>' +
    '</ServiceAuthHeader>' +
    '</soap:Header>' +
    '<soap:Body>' +
    '<ContactBulkImportWithGroups xmlns="http://xxx.cl.xxxxxx.xxxx.xxxx/">' +
        '<DuplicateAction>Replace</DuplicateAction>' +
        '<Groups>' +
        '<decimal>' + groupId + '</decimal>' +
        '</Groups>' +
        '<Contacts>' + contacts + '</Contacts>' +
        '<DateFormat>string</DateFormat>' +
    '</ContactBulkImportWithGroups>' +
    '</soap:Body>' +
'</soap:Envelope>'].join('');

console.log(contacts)

SOAP post payload

Answer №1

The main issue here is that the jquery.soap library is not handling CDATA elements properly. In the current version of the jquery.soap.js file, specifically in the dom2soap function from line 482 to line 488, the code is not correctly detecting CDATA elements:

            if (child.nodeType === 1) {
                var childObject = SOAPTool.dom2soap(child);
                soapObject.appendChild(childObject);
            }
            if (child.nodeType === 3 && !whitespace.test(child.nodeValue)) {
                soapObject.val(child.nodeValue);
            }

The problem lies in the fact that the nodeType for a CDATA element is actually 4, not 3 as being checked in the code. This results in CDATA elements being ignored by the library.

To address this issue, I have created a fork of the original jquery.soap repository and made necessary changes in a branch named cdata-fix. You can find these modifications in the updated jquery.soap.js file here.

Furthermore, I have submitted a pull request to the jquery.soap repository with these fixes. While waiting for it to be accepted, you are welcome to utilize my version of the jquery.soap.js which should resolve the CDATA handling issue effectively.

You can test the updated jquery.soap.js file in action through this Plunker demo, particularly observing how it rectifies the error associated with a 404 response payload.

UPDATE:

I am pleased to inform you that the pull request has been successfully merged.

Answer №2

As the creator and maintainer of jquery.soap, my goal is to constantly improve the library! If your question pertains specifically to jquery.soap, could we continue the discussion on GitHub? The repository can be found at: https://github.com/doedje/jquery.soap/. Feel free to open a new issue there.

If you don't have a Github account and prefer to stay on Stack Overflow, that works for me as well...

I reviewed the issue you mentioned but was unable to replicate it in my testing environment. The namespace added to Contacts remained intact and was sent to the WebService...

<ContactBulkImportWithGroups xmlns="http://xxx.cl.xxxxxx.xxxx.xxxx/">
  <DuplicateAction>Replace</DuplicateAction>
  <Groups>
    <decimal>01234</decimal>
  </Groups>
  <Contacts xmlns="http://xxx.c1.xxxxx.xxxx.xxxx/">
    <c>
      <f><![CDATA[Remy]]></f>
      <l><![CDATA[Blom]]></l>
      <e><![CDATA[<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="4b392e263265292724260b23203e652527">[email protected]</a>]]></e>
    </c>
  </Contacts>
  <DateFormat>string</DateFormat>
</ContactBulkImportWithGroups>

This is how the XML appears before and after processing with jquery.soap in my test environment. If you have an example where things go awry, please share it with me.

UPDATE: I noticed you are attempting to send an empty namespace...... xmlns="" Indeed, this requires the adjustment mentioned in your post. I have implemented these changes in my code and will release them tomorrow...

Answer №3

Sharing an important insight rather than directly answering my own question.

I wanted to highlight a key point about how the plugin handles attribute assignments:

There are certain APIs that require empty namespaces, but unfortunately, the tool does not support them, causing issues with the requests.

For instance, if I need to submit <contacts xmlns="">...., the plugin changes it to <contacts>....

To overcome this issue, the workaround involved modifying the attribute function as follows:

this.attr = function (name, value) {
    if (!!name && !!value || !!name && value === "") {
        this.attributes[name] = value;
        return this;
    } else if (!!name) {
        return this.attributes[name];
    } else {
        return this.attributes;
    }
};

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