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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 io.logspace.agent.shaded.apache.http.impl.cookie;
import java.util.List;
import io.logspace.agent.shaded.apache.http.FormattedHeader;
import io.logspace.agent.shaded.apache.http.Header;
import io.logspace.agent.shaded.apache.http.HeaderElement;
import io.logspace.agent.shaded.apache.http.annotation.NotThreadSafe;
import io.logspace.agent.shaded.apache.http.cookie.Cookie;
import io.logspace.agent.shaded.apache.http.cookie.CookieOrigin;
import io.logspace.agent.shaded.apache.http.cookie.CookieSpec;
import io.logspace.agent.shaded.apache.http.cookie.MalformedCookieException;
import io.logspace.agent.shaded.apache.http.cookie.SM;
import io.logspace.agent.shaded.apache.http.cookie.SetCookie2;
import io.logspace.agent.shaded.apache.http.message.ParserCursor;
import io.logspace.agent.shaded.apache.http.util.Args;
import io.logspace.agent.shaded.apache.http.util.CharArrayBuffer;
/**
* 'Meta' cookie specification that picks up a cookie policy based on
* the format of cookies sent with the HTTP response.
*
* @since 4.0
*/
@NotThreadSafe // CookieSpec fields are @NotThreadSafe
public class BestMatchSpec implements CookieSpec {
private final String[] datepatterns;
private final boolean oneHeader;
// Cached values of CookieSpec instances
private RFC2965Spec strict; // @NotThreadSafe
private RFC2109Spec obsoleteStrict; // @NotThreadSafe
private BrowserCompatSpec compat; // @NotThreadSafe
public BestMatchSpec(final String[] datepatterns, final boolean oneHeader) {
super();
this.datepatterns = datepatterns == null ? null : datepatterns.clone();
this.oneHeader = oneHeader;
}
public BestMatchSpec() {
this(null, false);
}
private RFC2965Spec getStrict() {
if (this.strict == null) {
this.strict = new RFC2965Spec(this.datepatterns, this.oneHeader);
}
return strict;
}
private RFC2109Spec getObsoleteStrict() {
if (this.obsoleteStrict == null) {
this.obsoleteStrict = new RFC2109Spec(this.datepatterns, this.oneHeader);
}
return obsoleteStrict;
}
private BrowserCompatSpec getCompat() {
if (this.compat == null) {
this.compat = new BrowserCompatSpec(this.datepatterns);
}
return compat;
}
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 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());
}
helems = new HeaderElement[] { parser.parseHeader(buffer, cursor) };
return getCompat().parse(helems, origin);
} else {
if (SM.SET_COOKIE2.equals(header.getName())) {
return getStrict().parse(helems, origin);
} else {
return getObsoleteStrict().parse(helems, origin);
}
}
}
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) {
getStrict().validate(cookie, origin);
} else {
getObsoleteStrict().validate(cookie, origin);
}
} else {
getCompat().validate(cookie, origin);
}
}
public boolean match(final Cookie cookie, final CookieOrigin origin) {
Args.notNull(cookie, "Cookie");
Args.notNull(origin, "Cookie origin");
if (cookie.getVersion() > 0) {
if (cookie instanceof SetCookie2) {
return getStrict().match(cookie, origin);
} else {
return getObsoleteStrict().match(cookie, origin);
}
} else {
return getCompat().match(cookie, origin);
}
}
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) {
if (isSetCookie2) {
return getStrict().formatCookies(cookies);
} else {
return getObsoleteStrict().formatCookies(cookies);
}
} else {
return getCompat().formatCookies(cookies);
}
}
public int getVersion() {
return getStrict().getVersion();
}
public Header getVersionHeader() {
return getStrict().getVersionHeader();
}
@Override
public String toString() {
return "best-match";
}
}
