| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.myfaces.tobago.internal.config; |
| |
| import org.apache.myfaces.tobago.exception.TobagoConfigurationException; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class ContentSecurityPolicy { |
| |
| private Mode mode; |
| private Map<String, String> directiveMap; |
| |
| private boolean unmodifiable = false; |
| |
| private void checkLocked() throws IllegalStateException { |
| if (unmodifiable) { |
| throw new TobagoConfigurationException("The configuration must not be changed after initialization!"); |
| } |
| } |
| |
| /** |
| * Lock the configuration, so it cannot be modified any more. |
| */ |
| public void lock() { |
| unmodifiable = true; |
| directiveMap = Collections.unmodifiableMap(directiveMap); |
| } |
| |
| public ContentSecurityPolicy(final String mode) { |
| this.mode = Mode.parse(mode); |
| this.directiveMap = new HashMap<>(); |
| } |
| |
| public void merge(final ContentSecurityPolicy other) { |
| checkLocked(); |
| for (final Map.Entry<String, String> entry : other.directiveMap.entrySet()) { |
| addDirective(entry.getKey(), entry.getValue()); |
| } |
| mode = other.mode; |
| } |
| |
| public void addDirective(final String name, final String text) { |
| final String old = directiveMap.get(name); |
| if (old != null) { |
| directiveMap.put(name, old + ' ' + text); |
| } else { |
| directiveMap.put(name, text); |
| } |
| } |
| |
| public Map<String, String> getDirectiveMap() { |
| return directiveMap; |
| } |
| |
| public Mode getMode() { |
| return mode; |
| } |
| |
| @Override |
| public String toString() { |
| return "ContentSecurityPolicy{" |
| + "mode=" + mode |
| + ", directiveMap=" + directiveMap |
| + '}'; |
| } |
| |
| public enum Mode { |
| ON("on"), |
| OFF("off"), |
| REPORT_ONLY("report-only"); |
| |
| private final String value; |
| |
| Mode(final String value) { |
| this.value = value; |
| } |
| |
| public String getValue() { |
| return value; |
| } |
| |
| public static Mode parse(final String string) { |
| if (ON.value.equals(string)) { |
| return ON; |
| } else if (OFF.value.equals(string)) { |
| return OFF; |
| } else if (REPORT_ONLY.value.equals(string)) { |
| return REPORT_ONLY; |
| } else { |
| throw new IllegalArgumentException("Found: " + string); |
| } |
| } |
| } |
| |
| } |