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/*
* $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/cookie/RFC2109DomainHandler.java $
* $Revision: 653041 $
* $Date: 2008-05-03 03:39:28 -0700 (Sat, 03 May 2008) $
*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.impl.cookie;
import java.util.Locale;
import org.apache.http.cookie.Cookie;
import org.apache.http.cookie.CookieAttributeHandler;
import org.apache.http.cookie.CookieOrigin;
import org.apache.http.cookie.MalformedCookieException;
import org.apache.http.cookie.SetCookie;
public class RFC2109DomainHandler implements CookieAttributeHandler {
public RFC2109DomainHandler() {
super();
}
public void parse(final SetCookie cookie, final String value)
throws MalformedCookieException {
if (cookie == null) {
throw new IllegalArgumentException("Cookie may not be null");
}
if (value == null) {
throw new MalformedCookieException("Missing value for domain attribute");
}
if (value.trim().length() == 0) {
throw new MalformedCookieException("Blank value for domain attribute");
}
cookie.setDomain(value);
}
public void validate(final Cookie cookie, final CookieOrigin origin)
throws MalformedCookieException {
if (cookie == null) {
throw new IllegalArgumentException("Cookie may not be null");
}
if (origin == null) {
throw new IllegalArgumentException("Cookie origin may not be null");
}
String host = origin.getHost();
String domain = cookie.getDomain();
if (domain == null) {
throw new MalformedCookieException("Cookie domain may not be null");
}
if (!domain.equals(host)) {
int dotIndex = domain.indexOf('.');
if (dotIndex == -1) {
throw new MalformedCookieException("Domain attribute \""
+ domain
+ "\" does not match the host \""
+ host + "\"");
}
// domain must start with dot
if (!domain.startsWith(".")) {
throw new MalformedCookieException("Domain attribute \""
+ domain
+ "\" violates RFC 2109: domain must start with a dot");
}
// domain must have at least one embedded dot
dotIndex = domain.indexOf('.', 1);
if (dotIndex < 0 || dotIndex == domain.length() - 1) {
throw new MalformedCookieException("Domain attribute \""
+ domain
+ "\" violates RFC 2109: domain must contain an embedded dot");
}
host = host.toLowerCase(Locale.ENGLISH);
if (!host.endsWith(domain)) {
throw new MalformedCookieException(
"Illegal domain attribute \"" + domain
+ "\". Domain of origin: \"" + host + "\"");
}
// host minus domain may not contain any dots
String hostWithoutDomain = host.substring(0, host.length() - domain.length());
if (hostWithoutDomain.indexOf('.') != -1) {
throw new MalformedCookieException("Domain attribute \""
+ domain
+ "\" violates RFC 2109: host minus domain may not contain any dots");
}
}
}
public boolean match(final Cookie cookie, final CookieOrigin origin) {
if (cookie == null) {
throw new IllegalArgumentException("Cookie may not be null");
}
if (origin == null) {
throw new IllegalArgumentException("Cookie origin may not be null");
}
String host = origin.getHost();
String domain = cookie.getDomain();
if (domain == null) {
return false;
}
return host.equals(domain) || (domain.startsWith(".") && host.endsWith(domain));
}
}
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