(Node.js) Examine the Contents of a .p7m by Converting to XML

Examines the contents of a .p7m signature by converting it to XML.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var asn = new chilkat.Asn();

    var success = asn.LoadBinaryFile("qa_data/p7m/a.p7m");
    if (success !== true) {
        console.log(asn.LastErrorText);
        return;
    }

    // Convert to XML.
    var strXml = asn.AsnToXml();

    // The XML returned by AsnToXml will be compact.
    // To get the XML indented in human-readable form, load
    // into the Chilkat XML object and emit..
    var xml = new chilkat.Xml();
    xml.LoadXml(strXml);

    console.log(xml.GetXml());
    xml.SaveXml("qa_output/a.xml");

    // -----------------------------------------------------------------------------------------
    // Also see Chilkat's online tool to examine a .p7m and generate code to duplicate the .p7m
    // -----------------------------------------------------------------------------------------

}

chilkatExample();