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<?php |
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namespace Parroauth2\Client\Extension\JwtAccessToken; |
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use Parroauth2\Client\ClientInterface; |
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use Parroauth2\Client\EndPoint\Introspection\IntrospectionEndPoint; |
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use Parroauth2\Client\EndPoint\Introspection\IntrospectionResponse; |
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/** |
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* Try to perform a local introspection by deserialize a JWT access token |
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* If the deserialization failed, the base introspection endpoint will be called |
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*/ |
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class LocalIntrospectionEndPoint extends IntrospectionEndPoint |
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{ |
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/** |
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* @var JwtParserInterface |
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*/ |
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private $parser; |
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/** |
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* @var ClientInterface |
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*/ |
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private $client; |
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/** |
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* LocalIntrospectionEndPoint constructor. |
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* |
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* @param ClientInterface $client |
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* @param JwtParserInterface $parser |
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*/ |
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public function __construct(ClientInterface $client, JwtParserInterface $parser) |
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{ |
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parent::__construct($client); |
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$this->parser = $parser; |
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$this->client = $client; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function call(): IntrospectionResponse |
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{ |
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if ($this->get('token_type_hint') !== null && $this->get('token_type_hint') !== self::TYPE_ACCESS_TOKEN) { |
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return $this->networkCall(); |
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} |
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try { |
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$claims = $this->parser->parse($this->get('token'), $this->client); |
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} catch (\InvalidArgumentException $e) { |
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return $this->networkCall(); |
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} |
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$expired = $claims['exp'] ?? 0; |
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$claims += ['token_type' => 'bearer', 'iss' => null]; |
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if (!isset($claims['client_id']) && !empty($claims['aud'])) { |
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$claims['client_id'] = is_array($claims['aud']) ? $claims['aud'][0] : $claims['aud']; |
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} |
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// We check here if the issuer is right and if the token is not expired |
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if ($claims['iss'] !== $this->client->provider()->issuer() || ($expired >= 0 && $expired < time())) { |
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$response = new IntrospectionResponse(['active' => false]); |
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} else { |
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$response = new IntrospectionResponse(['active' => true] + $claims); |
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} |
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$this->callResponseListeners($response); |
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return $response; |
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} |
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/** |
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* Try to call the endpoint, if configured |
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* If not, an inactive introspection response is returned |
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*/ |
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private function networkCall(): IntrospectionResponse |
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{ |
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if ($this->client->provider()->supportsEndpoint(self::NAME)) { |
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return parent::call(); |
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} |
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$response = new IntrospectionResponse(['active' => false]); |
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$this->callResponseListeners($response); |
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return $response; |
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} |
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} |
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In the issue above, the returned value is violating the contract defined by the mentioned interface.
Let's take a look at an example: