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Node.js

Get a JWS Unprotected Header

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.GetUnprotectedH, which copies the optional unprotected header of a signature into a JsonObject.

Background. The unprotected header is present only in JSON serialization forms that carry one. It is not covered by the signature.

Chilkat Node.js Downloads

Node.js
NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    var jws = new chilkat.Jws();

    //  Load the JWS compact serialization.
    var jwsCompact = "eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>";
    success = jws.LoadJws(jwsCompact);
    if (success == false) {
        console.log(jws.LastErrorText);
        return;
    }

    //  Copy the optional unprotected header of signature 0 into a JsonObject.  This applies to JWS in a
    //  JSON serialization form that carries an unprotected header.
    var json = new chilkat.JsonObject();
    success = jws.GetUnprotectedH(0,json);
    if (success == false) {
        console.log(jws.LastErrorText);
        return;
    }

    json.EmitCompact = false;
    console.log(json.Emit());

}

chilkatExample();