| /* |
| * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/cookie/BrowserCompatSpec.java $ |
| * $Revision: 657334 $ |
| * $Date: 2008-05-17 04:44:16 -0700 (Sat, 17 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.ArrayList; |
| import java.util.List; |
| import java.util.Locale; |
| |
| import org.apache.http.FormattedHeader; |
| import org.apache.http.Header; |
| import org.apache.http.HeaderElement; |
| import org.apache.http.cookie.ClientCookie; |
| import org.apache.http.cookie.Cookie; |
| import org.apache.http.cookie.CookieOrigin; |
| import org.apache.http.cookie.MalformedCookieException; |
| import org.apache.http.cookie.SM; |
| import org.apache.http.message.BufferedHeader; |
| import org.apache.http.message.ParserCursor; |
| import org.apache.http.util.CharArrayBuffer; |
| |
| /** |
| * Cookie specification that strives to closely mimic (mis)behavior of |
| * common web browser applications such as Microsoft Internet Explorer |
| * and Mozilla FireFox. |
| * |
| * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> |
| * |
| * @since 4.0 |
| */ |
| public class BrowserCompatSpec extends CookieSpecBase { |
| |
| /** Valid date patterns used per default */ |
| protected static final String[] DATE_PATTERNS = new String[] { |
| DateUtils.PATTERN_RFC1123, |
| DateUtils.PATTERN_RFC1036, |
| DateUtils.PATTERN_ASCTIME, |
| "EEE, dd-MMM-yyyy HH:mm:ss z", |
| "EEE, dd-MMM-yyyy HH-mm-ss z", |
| "EEE, dd MMM yy HH:mm:ss z", |
| "EEE dd-MMM-yyyy HH:mm:ss z", |
| "EEE dd MMM yyyy HH:mm:ss z", |
| "EEE dd-MMM-yyyy HH-mm-ss z", |
| "EEE dd-MMM-yy HH:mm:ss z", |
| "EEE dd MMM yy HH:mm:ss z", |
| "EEE,dd-MMM-yy HH:mm:ss z", |
| "EEE,dd-MMM-yyyy HH:mm:ss z", |
| "EEE, dd-MM-yyyy HH:mm:ss z", |
| }; |
| |
| private final String[] datepatterns; |
| |
| /** Default constructor */ |
| public BrowserCompatSpec(final String[] datepatterns) { |
| super(); |
| if (datepatterns != null) { |
| this.datepatterns = datepatterns.clone(); |
| } else { |
| this.datepatterns = DATE_PATTERNS; |
| } |
| registerAttribHandler(ClientCookie.PATH_ATTR, new BasicPathHandler()); |
| registerAttribHandler(ClientCookie.DOMAIN_ATTR, new BasicDomainHandler()); |
| registerAttribHandler(ClientCookie.MAX_AGE_ATTR, new BasicMaxAgeHandler()); |
| registerAttribHandler(ClientCookie.SECURE_ATTR, new BasicSecureHandler()); |
| registerAttribHandler(ClientCookie.COMMENT_ATTR, new BasicCommentHandler()); |
| registerAttribHandler(ClientCookie.EXPIRES_ATTR, new BasicExpiresHandler( |
| this.datepatterns)); |
| } |
| |
| /** Default constructor */ |
| public BrowserCompatSpec() { |
| this(null); |
| } |
| |
| public List<Cookie> parse(final Header header, final CookieOrigin origin) |
| throws MalformedCookieException { |
| if (header == null) { |
| throw new IllegalArgumentException("Header may not be null"); |
| } |
| if (origin == null) { |
| throw new IllegalArgumentException("Cookie origin may not be null"); |
| } |
| String headervalue = header.getValue(); |
| boolean isNetscapeCookie = false; |
| int i1 = headervalue.toLowerCase(Locale.ENGLISH).indexOf("expires="); |
| if (i1 != -1) { |
| i1 += "expires=".length(); |
| int i2 = headervalue.indexOf(';', i1); |
| if (i2 == -1) { |
| i2 = headervalue.length(); |
| } |
| try { |
| DateUtils.parseDate(headervalue.substring(i1, i2), this.datepatterns); |
| isNetscapeCookie = true; |
| } catch (DateParseException e) { |
| // Does not look like a valid expiry date |
| } |
| } |
| HeaderElement[] elems = null; |
| if (isNetscapeCookie) { |
| NetscapeDraftHeaderParser parser = NetscapeDraftHeaderParser.DEFAULT; |
| CharArrayBuffer buffer; |
| ParserCursor cursor; |
| if (header instanceof FormattedHeader) { |
| buffer = ((FormattedHeader) header).getBuffer(); |
| cursor = new ParserCursor( |
| ((FormattedHeader) header).getValuePos(), |
| buffer.length()); |
| } else { |
| String s = header.getValue(); |
| if (s == null) { |
| throw new MalformedCookieException("Header value is null"); |
| } |
| buffer = new CharArrayBuffer(s.length()); |
| buffer.append(s); |
| cursor = new ParserCursor(0, buffer.length()); |
| } |
| elems = new HeaderElement[] { parser.parseHeader(buffer, cursor) }; |
| } else { |
| elems = header.getElements(); |
| } |
| return parse(elems, origin); |
| } |
| |
| public List<Header> formatCookies(final List<Cookie> cookies) { |
| if (cookies == null) { |
| throw new IllegalArgumentException("List of cookies may not be null"); |
| } |
| if (cookies.isEmpty()) { |
| throw new IllegalArgumentException("List of cookies may not be empty"); |
| } |
| CharArrayBuffer buffer = new CharArrayBuffer(20 * cookies.size()); |
| buffer.append(SM.COOKIE); |
| buffer.append(": "); |
| for (int i = 0; i < cookies.size(); i++) { |
| Cookie cookie = cookies.get(i); |
| if (i > 0) { |
| buffer.append("; "); |
| } |
| buffer.append(cookie.getName()); |
| buffer.append("="); |
| String s = cookie.getValue(); |
| if (s != null) { |
| buffer.append(s); |
| } |
| } |
| List<Header> headers = new ArrayList<Header>(1); |
| headers.add(new BufferedHeader(buffer)); |
| return headers; |
| } |
| |
| public int getVersion() { |
| return 0; |
| } |
| |
| public Header getVersionHeader() { |
| return null; |
| } |
| |
| } |