diff options
Diffstat (limited to 'src/org/apache/http/impl/cookie/BrowserCompatSpec.java')
| -rw-r--r-- | src/org/apache/http/impl/cookie/BrowserCompatSpec.java | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/org/apache/http/impl/cookie/BrowserCompatSpec.java b/src/org/apache/http/impl/cookie/BrowserCompatSpec.java new file mode 100644 index 0000000..d7bc0da --- /dev/null +++ b/src/org/apache/http/impl/cookie/BrowserCompatSpec.java @@ -0,0 +1,188 @@ +/* + * $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; + } + +} |