1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/cookie/NetscapeDomainHandler.java $ 3 * $Revision: 653041 $ 4 * $Date: 2008-05-03 03:39:28 -0700 (Sat, 03 May 2008) $ 5 * 6 * ==================================================================== 7 * Licensed to the Apache Software Foundation (ASF) under one 8 * or more contributor license agreements. See the NOTICE file 9 * distributed with this work for additional information 10 * regarding copyright ownership. The ASF licenses this file 11 * to you under the Apache License, Version 2.0 (the 12 * "License"); you may not use this file except in compliance 13 * with the License. You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, 18 * software distributed under the License is distributed on an 19 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 20 * KIND, either express or implied. See the License for the 21 * specific language governing permissions and limitations 22 * under the License. 23 * ==================================================================== 24 * 25 * This software consists of voluntary contributions made by many 26 * individuals on behalf of the Apache Software Foundation. For more 27 * information on the Apache Software Foundation, please see 28 * <http://www.apache.org/>. 29 * 30 */ 31 package org.apache.http.impl.cookie; 32 33 import java.util.Locale; 34 import java.util.StringTokenizer; 35 36 import org.apache.http.cookie.Cookie; 37 import org.apache.http.cookie.CookieOrigin; 38 import org.apache.http.cookie.MalformedCookieException; 39 40 public class NetscapeDomainHandler extends BasicDomainHandler { 41 42 public NetscapeDomainHandler() { 43 super(); 44 } 45 46 @Override 47 public void validate(final Cookie cookie, final CookieOrigin origin) 48 throws MalformedCookieException { 49 super.validate(cookie, origin); 50 // Perform Netscape Cookie draft specific validation 51 String host = origin.getHost(); 52 String domain = cookie.getDomain(); 53 if (host.contains(".")) { 54 int domainParts = new StringTokenizer(domain, ".").countTokens(); 55 56 if (isSpecialDomain(domain)) { 57 if (domainParts < 2) { 58 throw new MalformedCookieException("Domain attribute \"" 59 + domain 60 + "\" violates the Netscape cookie specification for " 61 + "special domains"); 62 } 63 } else { 64 if (domainParts < 3) { 65 throw new MalformedCookieException("Domain attribute \"" 66 + domain 67 + "\" violates the Netscape cookie specification"); 68 } 69 } 70 } 71 } 72 73 /** 74 * Checks if the given domain is in one of the seven special 75 * top level domains defined by the Netscape cookie specification. 76 * @param domain The domain. 77 * @return True if the specified domain is "special" 78 */ 79 private static boolean isSpecialDomain(final String domain) { 80 final String ucDomain = domain.toUpperCase(Locale.ENGLISH); 81 return ucDomain.endsWith(".COM") 82 || ucDomain.endsWith(".EDU") 83 || ucDomain.endsWith(".NET") 84 || ucDomain.endsWith(".GOV") 85 || ucDomain.endsWith(".MIL") 86 || ucDomain.endsWith(".ORG") 87 || ucDomain.endsWith(".INT"); 88 } 89 90 @Override 91 public boolean match(Cookie cookie, CookieOrigin origin) { 92 if (cookie == null) { 93 throw new IllegalArgumentException("Cookie may not be null"); 94 } 95 if (origin == null) { 96 throw new IllegalArgumentException("Cookie origin may not be null"); 97 } 98 String host = origin.getHost(); 99 String domain = cookie.getDomain(); 100 if (domain == null) { 101 return false; 102 } 103 return host.endsWith(domain); 104 } 105 106 } 107