PHP

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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Chilkat2 PHP

<?php

use Chilkat2\JsonObject;
use Chilkat2\Jws;

$jws = new Jws();

// Load the JWS compact serialization.
$jwsCompact = 'eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>';
try {
    $jws->LoadJws($jwsCompact);

    // 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 JsonObject();
    $jws->GetUnprotectedH(0, $json);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

$json->EmitCompact = false;
echo $json->Emit(), "\n";