PHP Extension

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.

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PHP Extension

<?php

include("chilkat.php");

$success = false;

$jws = new CkJws();

//  Load the JWS compact serialization.
$jwsCompact = 'eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>';
$success = $jws->LoadJws($jwsCompact);
if ($success == false) {
    print $jws->lastErrorText() . "\n";
    exit;
}

//  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.
$json = new CkJsonObject();
$success = $jws->GetUnprotectedH(0,$json);
if ($success == false) {
    print $jws->lastErrorText() . "\n";
    exit;
}

$json->put_EmitCompact(false);
print $json->emit() . "\n";

?>