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@ -6,10 +6,9 @@ import static java.lang.System.Logger.Level.*; |
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import static java.net.HttpURLConnection.HTTP_BAD_REQUEST; |
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import static java.net.HttpURLConnection.HTTP_BAD_REQUEST; |
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import com.sun.net.httpserver.HttpExchange; |
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import com.sun.net.httpserver.HttpExchange; |
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import de.srsoftware.oidc.api.Client; |
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import de.srsoftware.oidc.api.*; |
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import de.srsoftware.oidc.api.ClientService; |
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import de.srsoftware.oidc.api.PathHandler; |
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import java.io.IOException; |
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import java.io.IOException; |
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import java.net.URLDecoder; |
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import java.nio.charset.StandardCharsets; |
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import java.nio.charset.StandardCharsets; |
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import java.util.*; |
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import java.util.*; |
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import java.util.stream.Collectors; |
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import java.util.stream.Collectors; |
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@ -21,10 +20,14 @@ import org.jose4j.lang.JoseException; |
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import org.json.JSONObject; |
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import org.json.JSONObject; |
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public class TokenController extends PathHandler { |
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public class TokenController extends PathHandler { |
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private final ClientService clients; |
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private final ClientService clients; |
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private final AuthorizationService authorizations; |
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private final UserService users; |
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public TokenController(ClientService clientService) { |
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public TokenController(AuthorizationService authorizationService, ClientService clientService, UserService userService) { |
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clients = clientService; |
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authorizations = authorizationService; |
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clients = clientService; |
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users = userService; |
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} |
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} |
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private Map<String, String> deserialize(String body) { |
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private Map<String, String> deserialize(String body) { |
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@ -42,27 +45,31 @@ public class TokenController extends PathHandler { |
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} |
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} |
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private boolean provideToken(HttpExchange ex) throws IOException { |
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private boolean provideToken(HttpExchange ex) throws IOException { |
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var map = deserialize(body(ex)); |
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var map = deserialize(body(ex)); |
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// TODO: check Authorization Code, → https://openid.net/specs/openid-connect-core-1_0.html#TokenEndpoint
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// TODO: check Redirect URL
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LOG.log(DEBUG, "post data: {0}", map); |
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LOG.log(WARNING, "{0}.provideToken(ex) not implemented!", getClass().getSimpleName()); |
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var grantType = map.get(GRANT_TYPE); |
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var grantType = map.get(GRANT_TYPE); |
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if (!ATUH_CODE.equals(grantType)) sendContent(ex, HTTP_BAD_REQUEST, Map.of(ERROR, "unknown grant type", GRANT_TYPE, grantType)); |
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if (!AUTH_CODE.equals(grantType)) return sendContent(ex, HTTP_BAD_REQUEST, Map.of(ERROR, "unknown grant type", GRANT_TYPE, grantType)); |
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var optClient = Optional.ofNullable(map.get(CLIENT_ID)).flatMap(clients::getClient); |
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if (optClient.isEmpty()) { |
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var code = map.get(CODE); |
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LOG.log(ERROR, "client not found"); |
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var optAuthorization = authorizations.forCode(code); |
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return sendEmptyResponse(HTTP_BAD_REQUEST, ex); |
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if (optAuthorization.isEmpty()) return sendContent(ex, HTTP_BAD_REQUEST, Map.of(ERROR, "invalid auth code", CODE, code)); |
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// TODO: send correct response
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var authorization = optAuthorization.get(); |
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} |
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var clientId = map.get(CLIENT_ID); |
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if (!authorization.clientId().equals(clientId)) return sendContent(ex, HTTP_BAD_REQUEST, Map.of(ERROR, "invalid client id", CLIENT_ID, clientId)); |
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var optClient = clients.getClient(clientId); |
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if (optClient.isEmpty()) return sendContent(ex, HTTP_BAD_REQUEST, Map.of(ERROR, "unknown client", CLIENT_ID, clientId)); |
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var client = optClient.get(); |
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var user = users.load(authorization.userId()); |
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if (user.isEmpty()) return sendContent(ex, 500, Map.of(ERROR, "User not found")); |
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var uri = URLDecoder.decode(map.get(REDIRECT_URI), StandardCharsets.UTF_8); |
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if (!client.redirectUris().contains(uri)) sendContent(ex, HTTP_BAD_REQUEST, Map.of(ERROR, "unknown redirect uri", REDIRECT_URI, uri)); |
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var secretFromClient = map.get(CLIENT_SECRET); |
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var secretFromClient = map.get(CLIENT_SECRET); |
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var client = optClient.get(); |
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if (!client.secret().equals(secretFromClient)) return sendContent(ex, HTTP_BAD_REQUEST, Map.of(ERROR, "client secret mismatch")); |
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if (!client.secret().equals(secretFromClient)) { |
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LOG.log(ERROR, "client secret mismatch"); |
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String jwToken = createJWT(client, user.get()); |
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return sendEmptyResponse(HTTP_BAD_REQUEST, ex); |
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// TODO: send correct response
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} |
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String jwToken = createJWT(client); |
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ex.getResponseHeaders().add("Cache-Control", "no-store"); |
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ex.getResponseHeaders().add("Cache-Control", "no-store"); |
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JSONObject response = new JSONObject(); |
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JSONObject response = new JSONObject(); |
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response.put(ACCESS_TOKEN, UUID.randomUUID().toString()); // TODO: wofür genau wird der verwendet, was gilt es hier zu beachten
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response.put(ACCESS_TOKEN, UUID.randomUUID().toString()); // TODO: wofür genau wird der verwendet, was gilt es hier zu beachten
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@ -72,22 +79,12 @@ public class TokenController extends PathHandler { |
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return sendContent(ex, response); |
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return sendContent(ex, response); |
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} |
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} |
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private String createJWT(Client client) { |
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private String createJWT(Client client, User user) { |
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try { |
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try { |
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byte[] secretBytes = client.secret().getBytes(StandardCharsets.UTF_8); |
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byte[] secretBytes = client.secret().getBytes(StandardCharsets.UTF_8); |
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HmacKey hmacKey = new HmacKey(secretBytes); |
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HmacKey hmacKey = new HmacKey(secretBytes); |
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JwtClaims claims = new JwtClaims(); |
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JwtClaims claims = getJwtClaims(user); |
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claims.setIssuer("Issuer"); // who creates the token and signs it
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claims.setAudience("Audience"); // to whom the token is intended to be sent
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claims.setExpirationTimeMinutesInTheFuture(10); // time when the token will expire (10 minutes from now)
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claims.setGeneratedJwtId(); // a unique identifier for the token
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claims.setIssuedAtToNow(); // when the token was issued/created (now)
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claims.setNotBeforeMinutesInThePast(2); // time before which the token is not yet valid (2 minutes ago)
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claims.setSubject("subject"); // the subject/principal is whom the token is about
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claims.setClaim("email", "mail@example.com"); // additional claims/attributes about the subject can be added
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List<String> groups = Arrays.asList("group-one", "other-group", "group-three"); |
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claims.setStringListClaim("groups", groups); // multi-valued claims work too and will end up as a JSON array
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// A JWT is a JWS and/or a JWE with JSON claims as the payload.
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// A JWT is a JWS and/or a JWE with JSON claims as the payload.
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// In this example it is a JWS so we create a JsonWebSignature object.
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// In this example it is a JWS so we create a JsonWebSignature object.
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@ -105,4 +102,16 @@ public class TokenController extends PathHandler { |
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throw new RuntimeException(e); |
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throw new RuntimeException(e); |
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} |
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} |
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} |
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} |
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private static JwtClaims getJwtClaims(User user) { |
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JwtClaims claims = new JwtClaims(); |
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claims.setIssuer(APP_NAME); // who creates the token and signs it
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claims.setExpirationTimeMinutesInTheFuture(10); // time when the token will expire (10 minutes from now)
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claims.setGeneratedJwtId(); // a unique identifier for the token
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claims.setIssuedAtToNow(); // when the token was issued/created (now)
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claims.setNotBeforeMinutesInThePast(2); // time before which the token is not yet valid (2 minutes ago)
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claims.setSubject(user.uuid()); // the subject/principal is whom the token is about
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claims.setClaim("email", user.email()); // additional claims/attributes about the subject can be added
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return claims; |
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} |
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} |
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} |
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