JWSVerifier example

 {
    }

    public function getUserBadgeFrom(string $accessToken): UserBadge
    {
        if (!class_exists(JWSVerifier::class) || !class_exists(Checker\HeaderCheckerManager::class)) {
            throw new \LogicException('You cannot use the "oidc" token handler since "web-token/jwt-signature" and "web-token/jwt-checker" are not installed. Try running "composer require web-token/jwt-signature web-token/jwt-checker".');
        }

        try {
            // Decode the token             $jwsVerifier = new JWSVerifier(new AlgorithmManager([$this->signatureAlgorithm]));
            $serializerManager = new JWSSerializerManager([new CompactSerializer()]);
            $jws = $serializerManager->unserialize($accessToken);
            $claims = json_decode($jws->getPayload(), true);

            // Verify the signature             if (!$jwsVerifier->verifyWithKey($jws, $this->jwk, 0)) {
                throw new InvalidSignatureException();
            }

            // Verify the headers             $headerCheckerManager = new Checker\HeaderCheckerManager([