org.apache.http.impl.cookie.RFC6265CookieSpecBase Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of httpclient Show documentation
Show all versions of httpclient Show documentation
Apache HttpComponents Client
/*
* ====================================================================
* 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
* attribHandlerMap;
private final TokenParser tokenParser;
RFC6265CookieSpecBase(final CommonCookieAttributeHandler... handlers) {
super();
this.attribHandlers = handlers.clone();
this.attribHandlerMap = new ConcurrentHashMap(handlers.length);
for (CommonCookieAttributeHandler handler: handlers) {
this.attribHandlerMap.put(handler.getAttributeName().toLowerCase(Locale.ROOT), handler);
}
this.tokenParser = TokenParser.INSTANCE;
}
static String getDefaultPath(final CookieOrigin origin) {
String defaultPath = origin.getPath();
int lastSlashIndex = defaultPath.lastIndexOf('/');
if (lastSlashIndex >= 0) {
if (lastSlashIndex == 0) {
//Do not remove the very first slash
lastSlashIndex = 1;
}
defaultPath = defaultPath.substring(0, lastSlashIndex);
}
return defaultPath;
}
static String getDefaultDomain(final CookieOrigin origin) {
return origin.getHost();
}
@Override
public final List parse(final Header header, final CookieOrigin origin) throws MalformedCookieException {
Args.notNull(header, "Header");
Args.notNull(origin, "Cookie origin");
if (!header.getName().equalsIgnoreCase(SM.SET_COOKIE)) {
throw new MalformedCookieException("Unrecognized cookie header: '" + header.toString() + "'");
}
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());
}
final String name = tokenParser.parseToken(buffer, cursor, TOKEN_DELIMS);
if (name.length() == 0) {
throw new MalformedCookieException("Cookie name is invalid: '" + header.toString() + "'");
}
if (cursor.atEnd()) {
throw new MalformedCookieException("Cookie value is invalid: '" + header.toString() + "'");
}
final int valueDelim = buffer.charAt(cursor.getPos());
cursor.updatePos(cursor.getPos() + 1);
if (valueDelim != '=') {
throw new MalformedCookieException("Cookie value is invalid: '" + header.toString() + "'");
}
final String value = tokenParser.parseValue(buffer, cursor, VALUE_DELIMS);
if (!cursor.atEnd()) {
cursor.updatePos(cursor.getPos() + 1);
}
final BasicClientCookie cookie = new BasicClientCookie(name, value);
cookie.setPath(getDefaultPath(origin));
cookie.setDomain(getDefaultDomain(origin));
cookie.setCreationDate(new Date());
final Map attribMap = new LinkedHashMap();
while (!cursor.atEnd()) {
final String paramName = tokenParser.parseToken(buffer, cursor, TOKEN_DELIMS);
String paramValue = null;
if (!cursor.atEnd()) {
final int paramDelim = buffer.charAt(cursor.getPos());
cursor.updatePos(cursor.getPos() + 1);
if (paramDelim == EQUAL_CHAR) {
paramValue = tokenParser.parseToken(buffer, cursor, VALUE_DELIMS);
if (!cursor.atEnd()) {
cursor.updatePos(cursor.getPos() + 1);
}
}
}
cookie.setAttribute(paramName.toLowerCase(Locale.ROOT), paramValue);
attribMap.put(paramName, paramValue);
}
// Ignore 'Expires' if 'Max-Age' is present
if (attribMap.containsKey(ClientCookie.MAX_AGE_ATTR)) {
attribMap.remove(ClientCookie.EXPIRES_ATTR);
}
for (Map.Entry entry: attribMap.entrySet()) {
final String paramName = entry.getKey();
final String paramValue = entry.getValue();
final CookieAttributeHandler handler = this.attribHandlerMap.get(paramName);
if (handler != null) {
handler.parse(cookie, paramValue);
}
}
return Collections.singletonList(cookie);
}
@Override
public final void validate(final Cookie cookie, final CookieOrigin origin)
throws MalformedCookieException {
Args.notNull(cookie, "Cookie");
Args.notNull(origin, "Cookie origin");
for (final CookieAttributeHandler handler: this.attribHandlers) {
handler.validate(cookie, origin);
}
}
@Override
public final boolean match(final Cookie cookie, final CookieOrigin origin) {
Args.notNull(cookie, "Cookie");
Args.notNull(origin, "Cookie origin");
for (final CookieAttributeHandler handler: this.attribHandlers) {
if (!handler.match(cookie, origin)) {
return false;
}
}
return true;
}
@Override
public List formatCookies(final List cookies) {
Args.notEmpty(cookies, "List of cookies");
final List sortedCookies;
if (cookies.size() > 1) {
// Create a mutable copy and sort the copy.
sortedCookies = new ArrayList(cookies);
Collections.sort(sortedCookies, CookiePriorityComparator.INSTANCE);
} else {
sortedCookies = cookies;
}
final CharArrayBuffer buffer = new CharArrayBuffer(20 * sortedCookies.size());
buffer.append(SM.COOKIE);
buffer.append(": ");
for (int n = 0; n < sortedCookies.size(); n++) {
final Cookie cookie = sortedCookies.get(n);
if (n > 0) {
buffer.append(PARAM_DELIMITER);
buffer.append(' ');
}
buffer.append(cookie.getName());
final String s = cookie.getValue();
if (s != null) {
buffer.append(EQUAL_CHAR);
if (containsSpecialChar(s)) {
buffer.append(DQUOTE_CHAR);
for (int i = 0; i < s.length(); i++) {
final char ch = s.charAt(i);
if (ch == DQUOTE_CHAR || ch == ESCAPE_CHAR) {
buffer.append(ESCAPE_CHAR);
}
buffer.append(ch);
}
buffer.append(DQUOTE_CHAR);
} else {
buffer.append(s);
}
}
}
final List headers = new ArrayList(1);
headers.add(new BufferedHeader(buffer));
return headers;
}
boolean containsSpecialChar(final CharSequence s) {
return containsChars(s, SPECIAL_CHARS);
}
boolean containsChars(final CharSequence s, final BitSet chars) {
for (int i = 0; i < s.length(); i++) {
final char ch = s.charAt(i);
if (chars.get(ch)) {
return true;
}
}
return false;
}
@Override
public final int getVersion() {
return 0;
}
@Override
public final Header getVersionHeader() {
return null;
}
}