org.keycloak.services.error.KeycloakErrorHandler クラス

org.keycloak.services.error.KeycloakErrorHandler の継承関係図

org.keycloak.services.error.KeycloakErrorHandler 連携図

公開メンバ関数
Response	toResponse (Throwable throwable)

非公開メンバ関数
int	getStatusCode (Throwable throwable)
RealmModel	resolveRealm ()
Map< String, Object >	initAttributes (RealmModel realm, Theme theme, Locale locale, int statusCode) throws IOException

非公開変数類
KeycloakSession	session
HttpHeaders	headers
HttpResponse	response

静的非公開変数類
static final Logger	logger = Logger.getLogger(KeycloakErrorHandler.class)
static final Pattern	realmNamePattern = Pattern.compile(".*/realms/([^/]+).*")

詳解

関数詳解

getStatusCode()

int org.keycloak.services.error.KeycloakErrorHandler.getStatusCode ( Throwable  throwable )

inlineprivate

                                                   {
        int status = Response.Status.INTERNAL_SERVER_ERROR.getStatusCode();
        if (throwable instanceof WebApplicationException) {
            WebApplicationException ex = (WebApplicationException) throwable;
            status = ex.getResponse().getStatus();
        }
        if (throwable instanceof Failure) {
            Failure f = (Failure) throwable;
            status = f.getErrorCode();
        }
        return status;
    }

initAttributes()

Map<String, Object> org.keycloak.services.error.KeycloakErrorHandler.initAttributes ( RealmModel  realm, Theme  theme, Locale  locale, int  statusCode  ) throws IOException

inlineprivate

                                                                                                                                {
        Map<String, Object> attributes = new HashMap<>();
        Properties messagesBundle = theme.getMessages(locale);

        attributes.put("statusCode", statusCode);

        attributes.put("realm", realm);
        attributes.put("url", new UrlBean(realm, theme, session.getContext().getUri().getBaseUri(), null));
        attributes.put("locale", new LocaleBean(realm, locale, session.getContext().getUri().getBaseUriBuilder(), messagesBundle));


        String errorKey = statusCode == 404 ? Messages.PAGE_NOT_FOUND : Messages.INTERNAL_SERVER_ERROR;
        String errorMessage = messagesBundle.getProperty(errorKey);

        attributes.put("message", new MessageBean(errorMessage, MessageType.ERROR));

        try {
            attributes.put("msg", new MessageFormatterMethod(locale, theme.getMessages(locale)));
        } catch (IOException e) {
            e.printStackTrace();
        }

        try {
            attributes.put("properties", theme.getProperties());
        } catch (IOException e) {
            e.printStackTrace();
        }

        return attributes;
    }

resolveRealm()

RealmModel org.keycloak.services.error.KeycloakErrorHandler.resolveRealm ( )

inlineprivate

                                      {
        String path = session.getContext().getUri().getPath();
        Matcher m = realmNamePattern.matcher(path);
        String realmName;
        if(m.matches()) {
            realmName = m.group(1);
        } else {
            realmName = Config.getAdminRealm();
        }

        RealmManager realmManager = new RealmManager(session);
        RealmModel realm = realmManager.getRealmByName(realmName);
        if (realm == null) {
            realm = realmManager.getRealmByName(Config.getAdminRealm());
        }

        session.getContext().setRealm(realm);

        return realm;
    }

toResponse()

Response org.keycloak.services.error.KeycloakErrorHandler.toResponse ( Throwable  throwable )

inline

                                                    {
        KeycloakTransaction tx = ResteasyProviderFactory.getContextData(KeycloakTransaction.class);
        tx.setRollbackOnly();

        int statusCode = getStatusCode(throwable);

        if (statusCode >= 500 && statusCode <= 599) {
            logger.error("Uncaught server error", throwable);
        }

        if (!MediaTypeMatcher.isHtmlRequest(headers)) {
            return Response.status(statusCode).build();
        }

        try {
            RealmModel realm = resolveRealm();

            Theme theme = session.theme().getTheme(Theme.Type.LOGIN);

            Locale locale = session.getContext().resolveLocale(null);

            FreeMarkerUtil freeMarker = new FreeMarkerUtil();
            Map<String, Object> attributes = initAttributes(realm, theme, locale, statusCode);

            String templateName = "error.ftl";

            String content = freeMarker.processTemplate(attributes, templateName, theme);
            return Response.status(statusCode).type(MediaType.TEXT_HTML_UTF_8_TYPE).entity(content).build();
        } catch (Throwable t) {
            logger.error("Failed to create error page", t);
            return Response.serverError().build();
        }
    }

メンバ詳解

headers

HttpHeaders org.keycloak.services.error.KeycloakErrorHandler.headers

private

logger

final Logger org.keycloak.services.error.KeycloakErrorHandler.logger = Logger.getLogger(KeycloakErrorHandler.class)

staticprivate

realmNamePattern

final Pattern org.keycloak.services.error.KeycloakErrorHandler.realmNamePattern = Pattern.compile(".*/realms/([^/]+).*")

staticprivate

response

HttpResponse org.keycloak.services.error.KeycloakErrorHandler.response

private

session

KeycloakSession org.keycloak.services.error.KeycloakErrorHandler.session

private

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このクラス詳解は次のファイルから抽出されました:

• D:/AppData/doxygen/keycloak/rest-service/src/services/src/main/java/org/keycloak/services/error/KeycloakErrorHandler.java