IframeUtil.java
/*
* Copyright 2020 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.protocol.oidc.endpoints;
import org.keycloak.common.Version;
import org.keycloak.headers.SecurityHeadersProvider;
import org.keycloak.models.KeycloakSession;
import org.keycloak.services.util.CacheControlUtil;
import org.keycloak.services.util.P3PHelper;
import jakarta.ws.rs.core.CacheControl;
import jakarta.ws.rs.core.Response;
import java.io.InputStream;
public class IframeUtil {
public static Response returnIframeFromResources(String fileName, String version, KeycloakSession session) {
CacheControl cacheControl;
if (version != null) {
if (!version.equals(Version.RESOURCES_VERSION)) {
return Response.status(Response.Status.NOT_FOUND).build();
}
cacheControl = CacheControlUtil.getDefaultCacheControl();
} else {
cacheControl = CacheControlUtil.noCache();
}
InputStream resource = IframeUtil.class.getResourceAsStream(fileName);
if (resource != null) {
P3PHelper.addP3PHeader(session);
session.getProvider(SecurityHeadersProvider.class).options().allowAnyFrameAncestor();
return Response.ok(resource).cacheControl(cacheControl).build();
} else {
return Response.status(Response.Status.NOT_FOUND).build();
}
}
}