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/*
* ====================================================================
* 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 ch.boye.httpclientandroidlib.impl.cookie;
import java.util.Locale;
import java.util.StringTokenizer;
import ch.boye.httpclientandroidlib.annotation.Immutable;
import ch.boye.httpclientandroidlib.cookie.Cookie;
import ch.boye.httpclientandroidlib.cookie.CookieOrigin;
import ch.boye.httpclientandroidlib.cookie.CookieRestrictionViolationException;
import ch.boye.httpclientandroidlib.cookie.MalformedCookieException;
import ch.boye.httpclientandroidlib.util.Args;
/**
*
* @since 4.0
*/
@Immutable
public class NetscapeDomainHandler extends BasicDomainHandler {
public NetscapeDomainHandler() {
super();
}
@Override
public void validate(final Cookie cookie, final CookieOrigin origin)
throws MalformedCookieException {
super.validate(cookie, origin);
// Perform Netscape Cookie draft specific validation
final String host = origin.getHost();
final String domain = cookie.getDomain();
if (host.contains(".")) {
final int domainParts = new StringTokenizer(domain, ".").countTokens();
if (isSpecialDomain(domain)) {
if (domainParts < 2) {
throw new CookieRestrictionViolationException("Domain attribute \""
+ domain
+ "\" violates the Netscape cookie specification for "
+ "special domains");
}
} else {
if (domainParts < 3) {
throw new CookieRestrictionViolationException("Domain attribute \""
+ domain
+ "\" violates the Netscape cookie specification");
}
}
}
}
/**
* Checks if the given domain is in one of the seven special
* top level domains defined by the Netscape cookie specification.
* @param domain The domain.
* @return True if the specified domain is "special"
*/
private static boolean isSpecialDomain(final String domain) {
final String ucDomain = domain.toUpperCase(Locale.ENGLISH);
return ucDomain.endsWith(".COM")
|| ucDomain.endsWith(".EDU")
|| ucDomain.endsWith(".NET")
|| ucDomain.endsWith(".GOV")
|| ucDomain.endsWith(".MIL")
|| ucDomain.endsWith(".ORG")
|| ucDomain.endsWith(".INT");
}
@Override
public boolean match(final Cookie cookie, final CookieOrigin origin) {
Args.notNull(cookie, "Cookie");
Args.notNull(origin, "Cookie origin");
final String host = origin.getHost();
final String domain = cookie.getDomain();
if (domain == null) {
return false;
}
return host.endsWith(domain);
}
}
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