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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.admin.landingpages;import java.util.ArrayList;import org.olat.admin.landingpages.model.Rule;import org.olat.admin.landingpages.model.Rules;import org.olat.core.configuration.AbstractSpringModule;import org.olat.core.util.StringHelper;import org.olat.core.util.coordinate.CoordinatorManager;import org.olat.core.util.xml.XStreamHelper;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import com.thoughtworks.xstream.XStream;/** * * Initial date: 15.05.2014<br> * @author srosse, [email protected], http://www.frentix.com * */@Service("landingPagesModule")public class LandingPagesModule extends AbstractSpringModule { private static final String CONFIG_RULES = "rules"; private static final XStream rulesXStream; static { rulesXStream = XStreamHelper.createXStreamInstance(); // BUG: CWE-91 XML Injection (aka Blind XPath Injection) // // FIXED: XStreamHelper.allowDefaultPackage(rulesXStream); rulesXStream.alias("rules", Rules.class); rulesXStream.alias("rule", Rule.class); } private Rules rules; @Autowired public LandingPagesModule(CoordinatorManager coordinatorManager) { super(coordinatorManager); } @Override public void init() { String rulesObj = getStringPropertyValue(CONFIG_RULES, true); if(StringHelper.containsNonWhitespace(rulesObj)) { rules = (Rules)rulesXStream.fromXML(rulesObj); } else { rules = new Rules(); rules.setRules(new ArrayList<>(1)); } } @Override protected void initDefaultProperties() { // } @Override protected void initFromChangedProperties() { init(); } public Rules getRules() { return rules; } public void setRules(Rules rules) { String value = rulesXStream.toXML(rules); setStringProperty(CONFIG_RULES, value, true); }} |