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<?php |
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namespace Parroauth2\Client\OpenID\IdToken; |
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use Jose\Component\Core\JWKSet; |
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use Jose\Component\KeyManagement\JWKFactory; |
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use Parroauth2\Client\Client; |
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use Parroauth2\Client\ClientInterface; |
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use Parroauth2\Client\Jwt\JWA; |
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use Parroauth2\Client\Jwt\JwtDecoder; |
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/** |
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* Parse the ID Token in a JWS format |
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*/ |
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final class JwsIdTokenParser implements IdTokenParserInterface |
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{ |
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/** |
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* @var JwtDecoder |
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*/ |
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private $decoder; |
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/** |
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* JwsIdTokenParser constructor. |
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* |
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* @param JwtDecoder|null $decoder |
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*/ |
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public function __construct(?JwtDecoder $decoder = null) |
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{ |
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$this->decoder = $decoder ?? new JwtDecoder(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parse(ClientInterface $client, string $idToken): IdToken |
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{ |
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$keySet = $client->keySet(); |
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$decoder = $this->decoder; |
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if ($supportedAlg = $client->option('id_token_signing_alg_values_supported')) { |
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$decoder = $decoder->supportedAlgorithms($supportedAlg); |
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} |
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// Add client secret key to the set for HMAC signature |
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// @see https://openid.net/specs/openid-connect-core-1_0.html#rfc.section.10.1 |
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if ($client->secret() && $hmacAlgorithms = $decoder->jwa()->algorithmsByType(JWA::TYPE_HMAC)) { |
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$keySet = $keySet->all(); |
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foreach ($hmacAlgorithms as $alg) { |
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$keySet[] = JWKFactory::createFromSecret($client->secret(), ['alg' => $alg, 'use' => 'sig']); |
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} |
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$keySet = new JWKSet($keySet); |
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} |
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$jwt = $decoder->decode($idToken, $keySet); |
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return new IdToken($idToken, $jwt->payload(), $jwt->headers()); |
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} |
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} |
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b2pweb /
parroauth2-client
