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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
* .
*
*/
package com.pdd.pop.ext.apache.http.impl.cookie;
import java.util.List;
import com.pdd.pop.ext.apache.http.FormattedHeader;
import com.pdd.pop.ext.apache.http.Header;
import com.pdd.pop.ext.apache.http.HeaderElement;
import com.pdd.pop.ext.apache.http.annotation.Contract;
import com.pdd.pop.ext.apache.http.annotation.ThreadingBehavior;
import com.pdd.pop.ext.apache.http.cookie.Cookie;
import com.pdd.pop.ext.apache.http.cookie.CookieOrigin;
import com.pdd.pop.ext.apache.http.cookie.CookieSpec;
import com.pdd.pop.ext.apache.http.cookie.MalformedCookieException;
import com.pdd.pop.ext.apache.http.cookie.SM;
import com.pdd.pop.ext.apache.http.cookie.SetCookie2;
import com.pdd.pop.ext.apache.http.message.ParserCursor;
import com.pdd.pop.ext.apache.http.util.Args;
import com.pdd.pop.ext.apache.http.util.CharArrayBuffer;
/**
* Default cookie specification that picks up the best matching cookie policy based on
* the format of cookies sent with the HTTP response.
*
* @since 4.4
*/
@Contract(threading = ThreadingBehavior.SAFE)
public class DefaultCookieSpec implements CookieSpec {
private final RFC2965Spec strict;
private final RFC2109Spec obsoleteStrict;
private final NetscapeDraftSpec netscapeDraft;
DefaultCookieSpec(
final RFC2965Spec strict,
final RFC2109Spec obsoleteStrict,
final NetscapeDraftSpec netscapeDraft) {
this.strict = strict;
this.obsoleteStrict = obsoleteStrict;
this.netscapeDraft = netscapeDraft;
}
public DefaultCookieSpec(
final String[] datepatterns,
final boolean oneHeader) {
this.strict = new RFC2965Spec(oneHeader,
new RFC2965VersionAttributeHandler(),
new BasicPathHandler(),
new RFC2965DomainAttributeHandler(),
new RFC2965PortAttributeHandler(),
new BasicMaxAgeHandler(),
new BasicSecureHandler(),
new BasicCommentHandler(),
new RFC2965CommentUrlAttributeHandler(),
new RFC2965DiscardAttributeHandler());
this.obsoleteStrict = new RFC2109Spec(oneHeader,
new RFC2109VersionHandler(),
new BasicPathHandler(),
new RFC2109DomainHandler(),
new BasicMaxAgeHandler(),
new BasicSecureHandler(),
new BasicCommentHandler());
this.netscapeDraft = new NetscapeDraftSpec(
new BasicDomainHandler(),
new BasicPathHandler(),
new BasicSecureHandler(),
new BasicCommentHandler(),
new BasicExpiresHandler(
datepatterns != null ? datepatterns.clone() : new String[]{NetscapeDraftSpec.EXPIRES_PATTERN}));
}
public DefaultCookieSpec() {
this(null, false);
}
@Override
public List parse(
final Header header,
final CookieOrigin origin) throws MalformedCookieException {
Args.notNull(header, "Header");
Args.notNull(origin, "Cookie origin");
HeaderElement[] hElems = header.getElements();
boolean versioned = false;
boolean netscape = false;
for (final HeaderElement hElem: hElems) {
if (hElem.getParameterByName("version") != null) {
versioned = true;
}
if (hElem.getParameterByName("expires") != null) {
netscape = true;
}
}
if (netscape || !versioned) {
// Need to parse the header again, because Netscape style cookies do not correctly
// support multiple header elements (comma cannot be treated as an element separator)
final NetscapeDraftHeaderParser parser = NetscapeDraftHeaderParser.DEFAULT;
final CharArrayBuffer buffer;
final ParserCursor cursor;
if (header instanceof FormattedHeader) {
buffer = ((FormattedHeader) header).getBuffer();
cursor = new ParserCursor(
((FormattedHeader) header).getValuePos(),
buffer.length());
} else {
final String hValue = header.getValue();
if (hValue == null) {
throw new MalformedCookieException("Header value is null");
}
buffer = new CharArrayBuffer(hValue.length());
buffer.append(hValue);
cursor = new ParserCursor(0, buffer.length());
}
hElems = new HeaderElement[] { parser.parseHeader(buffer, cursor) };
return netscapeDraft.parse(hElems, origin);
}
return SM.SET_COOKIE2.equals(header.getName())
? strict.parse(hElems, origin)
: obsoleteStrict.parse(hElems, origin);
}
@Override
public void validate(
final Cookie cookie,
final CookieOrigin origin) throws MalformedCookieException {
Args.notNull(cookie, "Cookie");
Args.notNull(origin, "Cookie origin");
if (cookie.getVersion() > 0) {
if (cookie instanceof SetCookie2) {
strict.validate(cookie, origin);
} else {
obsoleteStrict.validate(cookie, origin);
}
} else {
netscapeDraft.validate(cookie, origin);
}
}
@Override
public boolean match(final Cookie cookie, final CookieOrigin origin) {
Args.notNull(cookie, "Cookie");
Args.notNull(origin, "Cookie origin");
if (cookie.getVersion() > 0) {
return cookie instanceof SetCookie2
? strict.match(cookie, origin)
: obsoleteStrict.match(cookie, origin);
}
return netscapeDraft.match(cookie, origin);
}
@Override
public List formatCookies(final List cookies) {
Args.notNull(cookies, "List of cookies");
int version = Integer.MAX_VALUE;
boolean isSetCookie2 = true;
for (final Cookie cookie: cookies) {
if (!(cookie instanceof SetCookie2)) {
isSetCookie2 = false;
}
if (cookie.getVersion() < version) {
version = cookie.getVersion();
}
}
if (version > 0) {
return isSetCookie2
? strict.formatCookies(cookies)
: obsoleteStrict.formatCookies(cookies);
}
return netscapeDraft.formatCookies(cookies);
}
@Override
public int getVersion() {
return strict.getVersion();
}
@Override
public Header getVersionHeader() {
return null;
}
@Override
public String toString() {
return "default";
}
}
