Node.js

Verify XAdES with External File Reference

See more XML Digital Signatures Examples

Demonstrates how to validate an XML digital signature that contains a reference to an external file. (This is one way of doing it..) Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    // Load the XAdES file to be validated..
    var sbXml = new chilkat.StringBuilder();
    success = sbXml.LoadFile("qa_data/xml_dsig_valid_samples/externalFile/test.pdf.XAdES","utf-8");
    if (success == false) {
        console.log("Failed to load XAdES input file.");
        return;
    }

    var validator = new chilkat.XmlDSig();

    // Specify a set of absolute or relative directory paths to be searched for any external file references.
    // Directory paths are separated by semicolon chars.
    validator.ExternalRefDirs = "qa_data/externalFiles;qa_data/xml_dsig_valid_samples/externalFile;c:/someOtherDir";

    success = validator.LoadSignatureSb(sbXml);
    if (success == false) {
        console.log(validator.LastErrorText);
        return;
    }

    // Validate signatures as usual..
    var i = 0;
    while (i < validator.NumSignatures) {
        validator.Selector = i;

        var valid = validator.VerifySignature(true);
        console.log("Signature " + (i+1) + " and all reference digests OK = " + valid);

        i = i+1;
    }


}

chilkatExample();