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131 lines
5.2 KiB
Java
131 lines
5.2 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package ch.boye.httpclientandroidlib.impl.cookie;
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import java.util.Locale;
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import ch.boye.httpclientandroidlib.annotation.Immutable;
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import ch.boye.httpclientandroidlib.cookie.Cookie;
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import ch.boye.httpclientandroidlib.cookie.CookieAttributeHandler;
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import ch.boye.httpclientandroidlib.cookie.CookieOrigin;
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import ch.boye.httpclientandroidlib.cookie.CookieRestrictionViolationException;
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import ch.boye.httpclientandroidlib.cookie.MalformedCookieException;
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import ch.boye.httpclientandroidlib.cookie.SetCookie;
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/**
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*
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* @since 4.0
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*/
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@Immutable
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public class RFC2109DomainHandler implements CookieAttributeHandler {
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public RFC2109DomainHandler() {
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super();
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}
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public void parse(final SetCookie cookie, final String value)
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throws MalformedCookieException {
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if (cookie == null) {
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throw new IllegalArgumentException("Cookie may not be null");
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}
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if (value == null) {
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throw new MalformedCookieException("Missing value for domain attribute");
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}
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if (value.trim().length() == 0) {
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throw new MalformedCookieException("Blank value for domain attribute");
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}
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cookie.setDomain(value);
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}
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public void validate(final Cookie cookie, final CookieOrigin origin)
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throws MalformedCookieException {
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if (cookie == null) {
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throw new IllegalArgumentException("Cookie may not be null");
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}
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if (origin == null) {
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throw new IllegalArgumentException("Cookie origin may not be null");
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}
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String host = origin.getHost();
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String domain = cookie.getDomain();
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if (domain == null) {
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throw new CookieRestrictionViolationException("Cookie domain may not be null");
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}
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if (!domain.equals(host)) {
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int dotIndex = domain.indexOf('.');
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if (dotIndex == -1) {
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throw new CookieRestrictionViolationException("Domain attribute \""
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+ domain
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+ "\" does not match the host \""
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+ host + "\"");
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}
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// domain must start with dot
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if (!domain.startsWith(".")) {
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throw new CookieRestrictionViolationException("Domain attribute \""
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+ domain
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+ "\" violates RFC 2109: domain must start with a dot");
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}
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// domain must have at least one embedded dot
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dotIndex = domain.indexOf('.', 1);
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if (dotIndex < 0 || dotIndex == domain.length() - 1) {
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throw new CookieRestrictionViolationException("Domain attribute \""
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+ domain
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+ "\" violates RFC 2109: domain must contain an embedded dot");
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}
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host = host.toLowerCase(Locale.ENGLISH);
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if (!host.endsWith(domain)) {
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throw new CookieRestrictionViolationException(
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"Illegal domain attribute \"" + domain
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+ "\". Domain of origin: \"" + host + "\"");
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}
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// host minus domain may not contain any dots
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String hostWithoutDomain = host.substring(0, host.length() - domain.length());
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if (hostWithoutDomain.indexOf('.') != -1) {
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throw new CookieRestrictionViolationException("Domain attribute \""
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+ domain
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+ "\" violates RFC 2109: host minus domain may not contain any dots");
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}
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}
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}
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public boolean match(final Cookie cookie, final CookieOrigin origin) {
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if (cookie == null) {
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throw new IllegalArgumentException("Cookie may not be null");
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}
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if (origin == null) {
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throw new IllegalArgumentException("Cookie origin may not be null");
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}
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String host = origin.getHost();
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String domain = cookie.getDomain();
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if (domain == null) {
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return false;
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}
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return host.equals(domain) || (domain.startsWith(".") && host.endsWith(domain));
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}
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}
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