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/**
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at the
* <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Initial code contributed and copyrighted by<br>
* frentix GmbH, http://www.frentix.com
* <p>
*/
package org.olat.core.commons.services.doceditor.discovery.manager;
import org.olat.core.commons.services.doceditor.discovery.model.ActionImpl;
import org.olat.core.commons.services.doceditor.discovery.model.AppImpl;
import org.olat.core.commons.services.doceditor.discovery.model.DiscoveryImpl;
import org.olat.core.commons.services.doceditor.discovery.model.NetZoneImpl;
import org.olat.core.commons.services.doceditor.discovery.model.ProofKeyImpl;
import org.olat.core.util.xml.XStreamHelper;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.security.ExplicitTypePermission;
/**
*
* Initial date: 1 Mar 2019<br>
* @author uhensler, [email protected], http://www.frentix.com
*
*/
class DiscoveryXStream {
private static final XStream xstream = XStreamHelper.createXStreamInstance();
static {
Class<?>[] types = new Class[] {
DiscoveryImpl.class, NetZoneImpl.class, AppImpl.class, ActionImpl.class, ProofKeyImpl.class
};
// BUG: CWE-91 XML Injection (aka Blind XPath Injection)
// XStream.setupDefaultSecurity(xstream);
// FIXED:
xstream.addPermission(new ExplicitTypePermission(types));
xstream.alias("wopi-discovery", DiscoveryImpl.class);
xstream.aliasField("proof-key", DiscoveryImpl.class, "proofKey");
xstream.addImplicitCollection(DiscoveryImpl.class, "netZones");
xstream.alias("net-zone", NetZoneImpl.class);
xstream.aliasAttribute(NetZoneImpl.class, "name", "name");
xstream.addImplicitCollection(NetZoneImpl.class, "apps");
xstream.alias("app", AppImpl.class);
xstream.aliasAttribute(AppImpl.class, "name", "name");
xstream.aliasAttribute(AppImpl.class, "favIconUrl", "favIconUrl");
xstream.aliasAttribute(AppImpl.class, "checkLicense", "checkLicense");
xstream.addImplicitCollection(AppImpl.class, "actions");
xstream.alias("action", ActionImpl.class);
xstream.aliasAttribute(ActionImpl.class, "name", "name");
xstream.aliasAttribute(ActionImpl.class, "ext", "ext");
xstream.aliasAttribute(ActionImpl.class, "urlSrc", "urlsrc");
xstream.aliasAttribute(ActionImpl.class, "requires", "requires");
xstream.aliasAttribute(ActionImpl.class, "targetExt", "targetext");
xstream.alias("proof-key", ProofKeyImpl.class);
xstream.aliasAttribute(ProofKeyImpl.class, "value", "value");
xstream.aliasAttribute(ProofKeyImpl.class, "modulus", "modulus");
xstream.aliasAttribute(ProofKeyImpl.class, "exponent", "exponent");
xstream.aliasAttribute(ProofKeyImpl.class, "oldValue", "oldvalue");
xstream.aliasAttribute(ProofKeyImpl.class, "oldModulus", "oldmodulus");
xstream.aliasAttribute(ProofKeyImpl.class, "oldExponent", "oldexponent");
}
@SuppressWarnings("unchecked")
static <U> U fromXml(String xml, @SuppressWarnings("unused") Class<U> cl) {
Object obj = xstream.fromXML(xml);
return (U)obj;
}
}
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