001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.csp; 018 019import org.apache.wicket.request.cycle.RequestCycle; 020 021/** 022 * An enum holding the default values for -src directives including the mandatory single quotes 023 */ 024public enum CSPDirectiveSrcValue implements CSPRenderable 025{ 026 NONE("'none'"), 027 WILDCARD("*"), 028 SELF("'self'"), 029 UNSAFE_INLINE("'unsafe-inline'"), 030 UNSAFE_EVAL("'unsafe-eval'"), 031 STRICT_DYNAMIC("'strict-dynamic'"), 032 NONCE("'nonce-%1$s'") 033 { 034 @Override 035 public String render(ContentSecurityPolicySettings settings, RequestCycle cycle) 036 { 037 return String.format(getValue(), settings.getNonce(cycle)); 038 } 039 }; 040 041 private final String value; 042 043 CSPDirectiveSrcValue(String value) 044 { 045 this.value = value; 046 } 047 048 @Override 049 public String render(ContentSecurityPolicySettings settings, RequestCycle cycle) 050 { 051 return value; 052 } 053 054 public String getValue() 055 { 056 return value; 057 } 058}