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172 lines
6.6 KiB
Java
172 lines
6.6 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.ArrayList;
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import java.util.List;
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import ch.boye.httpclientandroidlib.FormattedHeader;
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import ch.boye.httpclientandroidlib.Header;
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import ch.boye.httpclientandroidlib.HeaderElement;
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import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
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import ch.boye.httpclientandroidlib.cookie.ClientCookie;
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import ch.boye.httpclientandroidlib.cookie.Cookie;
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import ch.boye.httpclientandroidlib.cookie.CookieOrigin;
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import ch.boye.httpclientandroidlib.cookie.MalformedCookieException;
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import ch.boye.httpclientandroidlib.cookie.SM;
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import ch.boye.httpclientandroidlib.message.BufferedHeader;
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import ch.boye.httpclientandroidlib.message.ParserCursor;
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import ch.boye.httpclientandroidlib.util.Args;
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import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
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/**
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* This {@link ch.boye.httpclientandroidlib.cookie.CookieSpec} implementation conforms to
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* the original draft specification published by Netscape Communications.
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* It should be avoided unless absolutely necessary for compatibility with
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* legacy applications.
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*
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* @since 4.0
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*/
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@NotThreadSafe // superclass is @NotThreadSafe
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public class NetscapeDraftSpec extends CookieSpecBase {
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protected static final String EXPIRES_PATTERN = "EEE, dd-MMM-yy HH:mm:ss z";
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private final String[] datepatterns;
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/** Default constructor */
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public NetscapeDraftSpec(final String[] datepatterns) {
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super();
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if (datepatterns != null) {
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this.datepatterns = datepatterns.clone();
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} else {
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this.datepatterns = new String[] { EXPIRES_PATTERN };
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}
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registerAttribHandler(ClientCookie.PATH_ATTR, new BasicPathHandler());
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registerAttribHandler(ClientCookie.DOMAIN_ATTR, new NetscapeDomainHandler());
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registerAttribHandler(ClientCookie.MAX_AGE_ATTR, new BasicMaxAgeHandler());
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registerAttribHandler(ClientCookie.SECURE_ATTR, new BasicSecureHandler());
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registerAttribHandler(ClientCookie.COMMENT_ATTR, new BasicCommentHandler());
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registerAttribHandler(ClientCookie.EXPIRES_ATTR, new BasicExpiresHandler(
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this.datepatterns));
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}
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/** Default constructor */
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public NetscapeDraftSpec() {
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this(null);
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}
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/**
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* Parses the Set-Cookie value into an array of <tt>Cookie</tt>s.
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*
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* <p>Syntax of the Set-Cookie HTTP Response Header:</p>
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*
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* <p>This is the format a CGI script would use to add to
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* the HTTP headers a new piece of data which is to be stored by
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* the client for later retrieval.</p>
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*
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* <PRE>
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* Set-Cookie: NAME=VALUE; expires=DATE; path=PATH; domain=DOMAIN_NAME; secure
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* </PRE>
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*
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* <p>Please note that the Netscape draft specification does not fully conform to the HTTP
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* header format. Comma character if present in <code>Set-Cookie</code> will not be treated
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* as a header element separator</p>
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*
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* @see <a href="http://web.archive.org/web/20020803110822/http://wp.netscape.com/newsref/std/cookie_spec.html">
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* The Cookie Spec.</a>
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*
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* @param header the <tt>Set-Cookie</tt> received from the server
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* @return an array of <tt>Cookie</tt>s parsed from the Set-Cookie value
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* @throws MalformedCookieException if an exception occurs during parsing
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*/
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public List<Cookie> parse(final Header header, final CookieOrigin origin)
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throws MalformedCookieException {
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Args.notNull(header, "Header");
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Args.notNull(origin, "Cookie origin");
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if (!header.getName().equalsIgnoreCase(SM.SET_COOKIE)) {
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throw new MalformedCookieException("Unrecognized cookie header '"
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+ header.toString() + "'");
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}
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final NetscapeDraftHeaderParser parser = NetscapeDraftHeaderParser.DEFAULT;
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final CharArrayBuffer buffer;
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final ParserCursor cursor;
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if (header instanceof FormattedHeader) {
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buffer = ((FormattedHeader) header).getBuffer();
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cursor = new ParserCursor(
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((FormattedHeader) header).getValuePos(),
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buffer.length());
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} else {
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final String s = header.getValue();
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if (s == null) {
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throw new MalformedCookieException("Header value is null");
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}
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buffer = new CharArrayBuffer(s.length());
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buffer.append(s);
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cursor = new ParserCursor(0, buffer.length());
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}
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return parse(new HeaderElement[] { parser.parseHeader(buffer, cursor) }, origin);
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}
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public List<Header> formatCookies(final List<Cookie> cookies) {
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Args.notEmpty(cookies, "List of cookies");
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final CharArrayBuffer buffer = new CharArrayBuffer(20 * cookies.size());
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buffer.append(SM.COOKIE);
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buffer.append(": ");
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for (int i = 0; i < cookies.size(); i++) {
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final Cookie cookie = cookies.get(i);
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if (i > 0) {
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buffer.append("; ");
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}
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buffer.append(cookie.getName());
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final String s = cookie.getValue();
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if (s != null) {
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buffer.append("=");
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buffer.append(s);
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}
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}
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final List<Header> headers = new ArrayList<Header>(1);
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headers.add(new BufferedHeader(buffer));
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return headers;
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}
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public int getVersion() {
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return 0;
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}
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public Header getVersionHeader() {
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return null;
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}
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@Override
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public String toString() {
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return "netscape";
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}
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}
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