3 namespace BookStack\Access\Oidc;
5 use Psr\Http\Message\ResponseInterface;
7 class OidcUserinfoResponse implements ProvidesClaims
9 protected array $claims = [];
11 public function __construct(ResponseInterface $response)
13 if ($response->getHeader('Content-Type')[0] === 'application/json') {
14 $this->claims = json_decode($response->getBody()->getContents(), true);
17 // TODO - Support JWTs
18 // TODO - Response validation (5.3.4):
19 // TODO - Verify that the OP that responded was the intended OP through a TLS server certificate check, per RFC 6125 [RFC6125].
20 // TODO - If the Client has provided a userinfo_encrypted_response_alg parameter during Registration, decrypt the UserInfo Response using the keys specified during Registration.
21 // TODO - If the response was signed, the Client SHOULD validate the signature according to JWS [JWS].
25 * @throws OidcInvalidTokenException
27 public function validate(string $idTokenSub): bool
29 $sub = $this->getClaim('sub');
31 // Spec: v1.0 5.3.2: The sub (subject) Claim MUST always be returned in the UserInfo Response.
32 if (!is_string($sub) || empty($sub)) {
33 throw new OidcInvalidTokenException("No valid subject value found in userinfo data");
36 // Spec: v1.0 5.3.2: The sub Claim in the UserInfo Response MUST be verified to exactly match the sub Claim in the ID Token;
37 // if they do not match, the UserInfo Response values MUST NOT be used.
38 if ($idTokenSub !== $sub) {
39 throw new OidcInvalidTokenException("Subject value provided in the userinfo endpoint does not match the provided ID token value");
45 public function getClaim(string $claim): mixed
47 return $this->claims[$claim] ?? null;
50 public function getAllClaims(): array