1214 lines
44 KiB
Java
1214 lines
44 KiB
Java
/*
|
|
* Copyright (C) 2014 The Android Open Source Project
|
|
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package java.net;
|
|
|
|
import java.util.Date;
|
|
import java.util.HashSet;
|
|
import java.util.List;
|
|
import java.util.Locale;
|
|
import java.util.NoSuchElementException;
|
|
import java.util.Objects;
|
|
import java.util.Set;
|
|
import java.util.StringTokenizer;
|
|
import java.util.TimeZone;
|
|
import libcore.net.http.HttpDate;
|
|
|
|
/**
|
|
* An HttpCookie object represents an HTTP cookie, which carries state
|
|
* information between server and user agent. Cookie is widely adopted
|
|
* to create stateful sessions.
|
|
*
|
|
* <p> There are 3 HTTP cookie specifications:
|
|
* <blockquote>
|
|
* Netscape draft<br>
|
|
* RFC 2109 - <a href="http://www.ietf.org/rfc/rfc2109.txt">
|
|
* <i>http://www.ietf.org/rfc/rfc2109.txt</i></a><br>
|
|
* RFC 2965 - <a href="http://www.ietf.org/rfc/rfc2965.txt">
|
|
* <i>http://www.ietf.org/rfc/rfc2965.txt</i></a>
|
|
* </blockquote>
|
|
*
|
|
* <p> HttpCookie class can accept all these 3 forms of syntax.
|
|
*
|
|
* @author Edward Wang
|
|
* @since 1.6
|
|
*/
|
|
public final class HttpCookie implements Cloneable {
|
|
// BEGIN Android-added: Reserved name can't be HttpCookie name.
|
|
private static final Set<String> RESERVED_NAMES = new HashSet<String>();
|
|
|
|
static {
|
|
RESERVED_NAMES.add("comment"); // RFC 2109 RFC 2965 RFC 6265
|
|
RESERVED_NAMES.add("commenturl"); // RFC 2965 RFC 6265
|
|
RESERVED_NAMES.add("discard"); // RFC 2965 RFC 6265
|
|
RESERVED_NAMES.add("domain"); // Netscape RFC 2109 RFC 2965 RFC 6265
|
|
RESERVED_NAMES.add("expires"); // Netscape
|
|
RESERVED_NAMES.add("httponly"); // RFC 6265
|
|
RESERVED_NAMES.add("max-age"); // RFC 2109 RFC 2965 RFC 6265
|
|
RESERVED_NAMES.add("path"); // Netscape RFC 2109 RFC 2965 RFC 6265
|
|
RESERVED_NAMES.add("port"); // RFC 2965 RFC 6265
|
|
RESERVED_NAMES.add("secure"); // Netscape RFC 2109 RFC 2965 RFC 6265
|
|
RESERVED_NAMES.add("version"); // RFC 2109 RFC 2965 RFC 6265
|
|
}
|
|
// END Android-added: Reserved name can't be HttpCookie name.
|
|
|
|
// ---------------- Fields --------------
|
|
|
|
// The value of the cookie itself.
|
|
private final String name; // NAME= ... "$Name" style is reserved
|
|
private String value; // value of NAME
|
|
|
|
// Attributes encoded in the header's cookie fields.
|
|
private String comment; // Comment=VALUE ... describes cookie's use
|
|
private String commentURL; // CommentURL="http URL" ... describes cookie's use
|
|
private boolean toDiscard; // Discard ... discard cookie unconditionally
|
|
private String domain; // Domain=VALUE ... domain that sees cookie
|
|
private long maxAge = MAX_AGE_UNSPECIFIED; // Max-Age=VALUE ... cookies auto-expire
|
|
private String path; // Path=VALUE ... URLs that see the cookie
|
|
private String portlist; // Port[="portlist"] ... the port cookie may be returned to
|
|
private boolean secure; // Secure ... e.g. use SSL
|
|
private boolean httpOnly; // HttpOnly ... i.e. not accessible to scripts
|
|
private int version = 1; // Version=1 ... RFC 2965 style
|
|
|
|
// The original header this cookie was consructed from, if it was
|
|
// constructed by parsing a header, otherwise null.
|
|
private final String header;
|
|
|
|
//
|
|
// Android-changed: Fixed units, s/seconds/milliseconds/, in comment below.
|
|
// Hold the creation time (in milliseconds) of the http cookie for later
|
|
// expiration calculation
|
|
private final long whenCreated;
|
|
|
|
// Since the positive and zero max-age have their meanings,
|
|
// this value serves as a hint as 'not specify max-age'
|
|
private final static long MAX_AGE_UNSPECIFIED = -1;
|
|
|
|
// BEGIN Android-removed: Use libcore.net.http.HttpDate for parsing.
|
|
// date formats used by Netscape's cookie draft
|
|
// as well as formats seen on various sites
|
|
/*
|
|
private final static String[] COOKIE_DATE_FORMATS = {
|
|
"EEE',' dd-MMM-yyyy HH:mm:ss 'GMT'",
|
|
"EEE',' dd MMM yyyy HH:mm:ss 'GMT'",
|
|
"EEE MMM dd yyyy HH:mm:ss 'GMT'Z",
|
|
"EEE',' dd-MMM-yy HH:mm:ss 'GMT'",
|
|
"EEE',' dd MMM yy HH:mm:ss 'GMT'",
|
|
"EEE MMM dd yy HH:mm:ss 'GMT'Z"
|
|
};
|
|
*/
|
|
// END Android-removed: Use libcore.net.http.HttpDate for parsing.
|
|
|
|
// constant strings represent set-cookie header token
|
|
private final static String SET_COOKIE = "set-cookie:";
|
|
private final static String SET_COOKIE2 = "set-cookie2:";
|
|
|
|
// ---------------- Ctors --------------
|
|
|
|
/**
|
|
* Constructs a cookie with a specified name and value.
|
|
*
|
|
* <p> The name must conform to RFC 2965. That means it can contain
|
|
* only ASCII alphanumeric characters and cannot contain commas,
|
|
* semicolons, or white space or begin with a $ character. The cookie's
|
|
* name cannot be changed after creation.
|
|
*
|
|
* <p> The value can be anything the server chooses to send. Its
|
|
* value is probably of interest only to the server. The cookie's
|
|
* value can be changed after creation with the
|
|
* {@code setValue} method.
|
|
*
|
|
* <p> By default, cookies are created according to the RFC 2965
|
|
* cookie specification. The version can be changed with the
|
|
* {@code setVersion} method.
|
|
*
|
|
*
|
|
* @param name
|
|
* a {@code String} specifying the name of the cookie
|
|
*
|
|
* @param value
|
|
* a {@code String} specifying the value of the cookie
|
|
*
|
|
* @throws IllegalArgumentException
|
|
* if the cookie name contains illegal characters
|
|
* @throws NullPointerException
|
|
* if {@code name} is {@code null}
|
|
*
|
|
* @see #setValue
|
|
* @see #setVersion
|
|
*/
|
|
public HttpCookie(String name, String value) {
|
|
this(name, value, null /*header*/);
|
|
}
|
|
|
|
private HttpCookie(String name, String value, String header) {
|
|
name = name.trim();
|
|
if (name.length() == 0 || !isToken(name) || name.charAt(0) == '$') {
|
|
throw new IllegalArgumentException("Illegal cookie name");
|
|
}
|
|
|
|
this.name = name;
|
|
this.value = value;
|
|
toDiscard = false;
|
|
secure = false;
|
|
|
|
whenCreated = System.currentTimeMillis();
|
|
portlist = null;
|
|
this.header = header;
|
|
}
|
|
|
|
/**
|
|
* Constructs cookies from set-cookie or set-cookie2 header string.
|
|
* RFC 2965 section 3.2.2 set-cookie2 syntax indicates that one header line
|
|
* may contain more than one cookie definitions, so this is a static
|
|
* utility method instead of another constructor.
|
|
*
|
|
* @param header
|
|
* a {@code String} specifying the set-cookie header. The header
|
|
* should start with "set-cookie", or "set-cookie2" token; or it
|
|
* should have no leading token at all.
|
|
*
|
|
* @return a List of cookie parsed from header line string
|
|
*
|
|
* @throws IllegalArgumentException
|
|
* if header string violates the cookie specification's syntax or
|
|
* the cookie name contains illegal characters.
|
|
* @throws NullPointerException
|
|
* if the header string is {@code null}
|
|
*/
|
|
public static List<HttpCookie> parse(String header) {
|
|
return parse(header, false);
|
|
}
|
|
|
|
// Private version of parse() that will store the original header used to
|
|
// create the cookie, in the cookie itself. This can be useful for filtering
|
|
// Set-Cookie[2] headers, using the internal parsing logic defined in this
|
|
// class.
|
|
private static List<HttpCookie> parse(String header, boolean retainHeader) {
|
|
|
|
int version = guessCookieVersion(header);
|
|
|
|
// if header start with set-cookie or set-cookie2, strip it off
|
|
if (startsWithIgnoreCase(header, SET_COOKIE2)) {
|
|
header = header.substring(SET_COOKIE2.length());
|
|
} else if (startsWithIgnoreCase(header, SET_COOKIE)) {
|
|
header = header.substring(SET_COOKIE.length());
|
|
}
|
|
|
|
List<HttpCookie> cookies = new java.util.ArrayList<>();
|
|
// The Netscape cookie may have a comma in its expires attribute, while
|
|
// the comma is the delimiter in rfc 2965/2109 cookie header string.
|
|
// so the parse logic is slightly different
|
|
if (version == 0) {
|
|
// Netscape draft cookie
|
|
HttpCookie cookie = parseInternal(header, retainHeader);
|
|
cookie.setVersion(0);
|
|
cookies.add(cookie);
|
|
} else {
|
|
// rfc2965/2109 cookie
|
|
// if header string contains more than one cookie,
|
|
// it'll separate them with comma
|
|
List<String> cookieStrings = splitMultiCookies(header);
|
|
for (String cookieStr : cookieStrings) {
|
|
HttpCookie cookie = parseInternal(cookieStr, retainHeader);
|
|
cookie.setVersion(1);
|
|
cookies.add(cookie);
|
|
}
|
|
}
|
|
|
|
return cookies;
|
|
}
|
|
|
|
// ---------------- Public operations --------------
|
|
|
|
/**
|
|
* Reports whether this HTTP cookie has expired or not.
|
|
*
|
|
* @return {@code true} to indicate this HTTP cookie has expired;
|
|
* otherwise, {@code false}
|
|
*/
|
|
public boolean hasExpired() {
|
|
if (maxAge == 0) return true;
|
|
|
|
// if not specify max-age, this cookie should be
|
|
// discarded when user agent is to be closed, but
|
|
// it is not expired.
|
|
if (maxAge == MAX_AGE_UNSPECIFIED) return false;
|
|
|
|
long deltaSecond = (System.currentTimeMillis() - whenCreated) / 1000;
|
|
if (deltaSecond > maxAge)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Specifies a comment that describes a cookie's purpose.
|
|
* The comment is useful if the browser presents the cookie
|
|
* to the user. Comments are not supported by Netscape Version 0 cookies.
|
|
*
|
|
* @param purpose
|
|
* a {@code String} specifying the comment to display to the user
|
|
*
|
|
* @see #getComment
|
|
*/
|
|
public void setComment(String purpose) {
|
|
comment = purpose;
|
|
}
|
|
|
|
/**
|
|
* Returns the comment describing the purpose of this cookie, or
|
|
* {@code null} if the cookie has no comment.
|
|
*
|
|
* @return a {@code String} containing the comment, or {@code null} if none
|
|
*
|
|
* @see #setComment
|
|
*/
|
|
public String getComment() {
|
|
return comment;
|
|
}
|
|
|
|
/**
|
|
* Specifies a comment URL that describes a cookie's purpose.
|
|
* The comment URL is useful if the browser presents the cookie
|
|
* to the user. Comment URL is RFC 2965 only.
|
|
*
|
|
* @param purpose
|
|
* a {@code String} specifying the comment URL to display to the user
|
|
*
|
|
* @see #getCommentURL
|
|
*/
|
|
public void setCommentURL(String purpose) {
|
|
commentURL = purpose;
|
|
}
|
|
|
|
/**
|
|
* Returns the comment URL describing the purpose of this cookie, or
|
|
* {@code null} if the cookie has no comment URL.
|
|
*
|
|
* @return a {@code String} containing the comment URL, or {@code null}
|
|
* if none
|
|
*
|
|
* @see #setCommentURL
|
|
*/
|
|
public String getCommentURL() {
|
|
return commentURL;
|
|
}
|
|
|
|
/**
|
|
* Specify whether user agent should discard the cookie unconditionally.
|
|
* This is RFC 2965 only attribute.
|
|
*
|
|
* @param discard
|
|
* {@code true} indicates to discard cookie unconditionally
|
|
*
|
|
* @see #getDiscard
|
|
*/
|
|
public void setDiscard(boolean discard) {
|
|
toDiscard = discard;
|
|
}
|
|
|
|
/**
|
|
* Returns the discard attribute of the cookie
|
|
*
|
|
* @return a {@code boolean} to represent this cookie's discard attribute
|
|
*
|
|
* @see #setDiscard
|
|
*/
|
|
public boolean getDiscard() {
|
|
return toDiscard;
|
|
}
|
|
|
|
/**
|
|
* Specify the portlist of the cookie, which restricts the port(s)
|
|
* to which a cookie may be sent back in a Cookie header.
|
|
*
|
|
* @param ports
|
|
* a {@code String} specify the port list, which is comma separated
|
|
* series of digits
|
|
*
|
|
* @see #getPortlist
|
|
*/
|
|
public void setPortlist(String ports) {
|
|
portlist = ports;
|
|
}
|
|
|
|
/**
|
|
* Returns the port list attribute of the cookie
|
|
*
|
|
* @return a {@code String} contains the port list or {@code null} if none
|
|
*
|
|
* @see #setPortlist
|
|
*/
|
|
public String getPortlist() {
|
|
return portlist;
|
|
}
|
|
|
|
/**
|
|
* Specifies the domain within which this cookie should be presented.
|
|
*
|
|
* <p> The form of the domain name is specified by RFC 2965. A domain
|
|
* name begins with a dot ({@code .foo.com}) and means that
|
|
* the cookie is visible to servers in a specified Domain Name System
|
|
* (DNS) zone (for example, {@code www.foo.com}, but not
|
|
* {@code a.b.foo.com}). By default, cookies are only returned
|
|
* to the server that sent them.
|
|
*
|
|
* @param pattern
|
|
* a {@code String} containing the domain name within which this
|
|
* cookie is visible; form is according to RFC 2965
|
|
*
|
|
* @see #getDomain
|
|
*/
|
|
public void setDomain(String pattern) {
|
|
if (pattern != null)
|
|
domain = pattern.toLowerCase();
|
|
else
|
|
domain = pattern;
|
|
}
|
|
|
|
/**
|
|
* Returns the domain name set for this cookie. The form of the domain name
|
|
* is set by RFC 2965.
|
|
*
|
|
* @return a {@code String} containing the domain name
|
|
*
|
|
* @see #setDomain
|
|
*/
|
|
public String getDomain() {
|
|
return domain;
|
|
}
|
|
|
|
/**
|
|
* Sets the maximum age of the cookie in seconds.
|
|
*
|
|
* <p> A positive value indicates that the cookie will expire
|
|
* after that many seconds have passed. Note that the value is
|
|
* the <i>maximum</i> age when the cookie will expire, not the cookie's
|
|
* current age.
|
|
*
|
|
* <p> A negative value means that the cookie is not stored persistently
|
|
* and will be deleted when the Web browser exits. A zero value causes the
|
|
* cookie to be deleted.
|
|
*
|
|
* @param expiry
|
|
* an integer specifying the maximum age of the cookie in seconds;
|
|
* if zero, the cookie should be discarded immediately; otherwise,
|
|
* the cookie's max age is unspecified.
|
|
*
|
|
* @see #getMaxAge
|
|
*/
|
|
public void setMaxAge(long expiry) {
|
|
maxAge = expiry;
|
|
}
|
|
|
|
/**
|
|
* Returns the maximum age of the cookie, specified in seconds. By default,
|
|
* {@code -1} indicating the cookie will persist until browser shutdown.
|
|
*
|
|
* @return an integer specifying the maximum age of the cookie in seconds
|
|
*
|
|
* @see #setMaxAge
|
|
*/
|
|
public long getMaxAge() {
|
|
return maxAge;
|
|
}
|
|
|
|
/**
|
|
* Specifies a path for the cookie to which the client should return
|
|
* the cookie.
|
|
*
|
|
* <p> The cookie is visible to all the pages in the directory
|
|
* you specify, and all the pages in that directory's subdirectories.
|
|
* A cookie's path must include the servlet that set the cookie,
|
|
* for example, <i>/catalog</i>, which makes the cookie
|
|
* visible to all directories on the server under <i>/catalog</i>.
|
|
*
|
|
* <p> Consult RFC 2965 (available on the Internet) for more
|
|
* information on setting path names for cookies.
|
|
*
|
|
* @param uri
|
|
* a {@code String} specifying a path
|
|
*
|
|
* @see #getPath
|
|
*/
|
|
public void setPath(String uri) {
|
|
path = uri;
|
|
}
|
|
|
|
/**
|
|
* Returns the path on the server to which the browser returns this cookie.
|
|
* The cookie is visible to all subpaths on the server.
|
|
*
|
|
* @return a {@code String} specifying a path that contains a servlet name,
|
|
* for example, <i>/catalog</i>
|
|
*
|
|
* @see #setPath
|
|
*/
|
|
public String getPath() {
|
|
return path;
|
|
}
|
|
|
|
/**
|
|
* Indicates whether the cookie should only be sent using a secure protocol,
|
|
* such as HTTPS or SSL.
|
|
*
|
|
* <p> The default value is {@code false}.
|
|
*
|
|
* @param flag
|
|
* If {@code true}, the cookie can only be sent over a secure
|
|
* protocol like HTTPS. If {@code false}, it can be sent over
|
|
* any protocol.
|
|
*
|
|
* @see #getSecure
|
|
*/
|
|
public void setSecure(boolean flag) {
|
|
secure = flag;
|
|
}
|
|
|
|
/**
|
|
* Returns {@code true} if sending this cookie should be restricted to a
|
|
* secure protocol, or {@code false} if the it can be sent using any
|
|
* protocol.
|
|
*
|
|
* @return {@code false} if the cookie can be sent over any standard
|
|
* protocol; otherwise, {@code true}
|
|
*
|
|
* @see #setSecure
|
|
*/
|
|
public boolean getSecure() {
|
|
return secure;
|
|
}
|
|
|
|
/**
|
|
* Returns the name of the cookie. The name cannot be changed after
|
|
* creation.
|
|
*
|
|
* @return a {@code String} specifying the cookie's name
|
|
*/
|
|
public String getName() {
|
|
return name;
|
|
}
|
|
|
|
/**
|
|
* Assigns a new value to a cookie after the cookie is created.
|
|
* If you use a binary value, you may want to use BASE64 encoding.
|
|
*
|
|
* <p> With Version 0 cookies, values should not contain white space,
|
|
* brackets, parentheses, equals signs, commas, double quotes, slashes,
|
|
* question marks, at signs, colons, and semicolons. Empty values may not
|
|
* behave the same way on all browsers.
|
|
*
|
|
* @param newValue
|
|
* a {@code String} specifying the new value
|
|
*
|
|
* @see #getValue
|
|
*/
|
|
public void setValue(String newValue) {
|
|
value = newValue;
|
|
}
|
|
|
|
/**
|
|
* Returns the value of the cookie.
|
|
*
|
|
* @return a {@code String} containing the cookie's present value
|
|
*
|
|
* @see #setValue
|
|
*/
|
|
public String getValue() {
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* Returns the version of the protocol this cookie complies with. Version 1
|
|
* complies with RFC 2965/2109, and version 0 complies with the original
|
|
* cookie specification drafted by Netscape. Cookies provided by a browser
|
|
* use and identify the browser's cookie version.
|
|
*
|
|
* @return 0 if the cookie complies with the original Netscape
|
|
* specification; 1 if the cookie complies with RFC 2965/2109
|
|
*
|
|
* @see #setVersion
|
|
*/
|
|
public int getVersion() {
|
|
return version;
|
|
}
|
|
|
|
/**
|
|
* Sets the version of the cookie protocol this cookie complies
|
|
* with. Version 0 complies with the original Netscape cookie
|
|
* specification. Version 1 complies with RFC 2965/2109.
|
|
*
|
|
* @param v
|
|
* 0 if the cookie should comply with the original Netscape
|
|
* specification; 1 if the cookie should comply with RFC 2965/2109
|
|
*
|
|
* @throws IllegalArgumentException
|
|
* if {@code v} is neither 0 nor 1
|
|
*
|
|
* @see #getVersion
|
|
*/
|
|
public void setVersion(int v) {
|
|
if (v != 0 && v != 1) {
|
|
throw new IllegalArgumentException("cookie version should be 0 or 1");
|
|
}
|
|
|
|
version = v;
|
|
}
|
|
|
|
/**
|
|
* Returns {@code true} if this cookie contains the <i>HttpOnly</i>
|
|
* attribute. This means that the cookie should not be accessible to
|
|
* scripting engines, like javascript.
|
|
*
|
|
* @return {@code true} if this cookie should be considered HTTPOnly
|
|
*
|
|
* @see #setHttpOnly(boolean)
|
|
*/
|
|
public boolean isHttpOnly() {
|
|
return httpOnly;
|
|
}
|
|
|
|
/**
|
|
* Indicates whether the cookie should be considered HTTP Only. If set to
|
|
* {@code true} it means the cookie should not be accessible to scripting
|
|
* engines like javascript.
|
|
*
|
|
* @param httpOnly
|
|
* if {@code true} make the cookie HTTP only, i.e. only visible as
|
|
* part of an HTTP request.
|
|
*
|
|
* @see #isHttpOnly()
|
|
*/
|
|
public void setHttpOnly(boolean httpOnly) {
|
|
this.httpOnly = httpOnly;
|
|
}
|
|
|
|
/**
|
|
* The utility method to check whether a host name is in a domain or not.
|
|
*
|
|
* <p> This concept is described in the cookie specification.
|
|
* To understand the concept, some terminologies need to be defined first:
|
|
* <blockquote>
|
|
* effective host name = hostname if host name contains dot<br>
|
|
*
|
|
* or = hostname.local if not
|
|
* </blockquote>
|
|
* <p>Host A's name domain-matches host B's if:
|
|
* <blockquote><ul>
|
|
* <li>their host name strings string-compare equal; or</li>
|
|
* <li>A is a HDN string and has the form NB, where N is a non-empty
|
|
* name string, B has the form .B', and B' is a HDN string. (So,
|
|
* x.y.com domain-matches .Y.com but not Y.com.)</li>
|
|
* </ul></blockquote>
|
|
*
|
|
* <p>A host isn't in a domain (RFC 2965 sec. 3.3.2) if:
|
|
* <blockquote><ul>
|
|
* <li>The value for the Domain attribute contains no embedded dots,
|
|
* and the value is not .local.</li>
|
|
* <li>The effective host name that derives from the request-host does
|
|
* not domain-match the Domain attribute.</li>
|
|
* <li>The request-host is a HDN (not IP address) and has the form HD,
|
|
* where D is the value of the Domain attribute, and H is a string
|
|
* that contains one or more dots.</li>
|
|
* </ul></blockquote>
|
|
*
|
|
* <p>Examples:
|
|
* <blockquote><ul>
|
|
* <li>A Set-Cookie2 from request-host y.x.foo.com for Domain=.foo.com
|
|
* would be rejected, because H is y.x and contains a dot.</li>
|
|
* <li>A Set-Cookie2 from request-host x.foo.com for Domain=.foo.com
|
|
* would be accepted.</li>
|
|
* <li>A Set-Cookie2 with Domain=.com or Domain=.com., will always be
|
|
* rejected, because there is no embedded dot.</li>
|
|
* <li>A Set-Cookie2 from request-host example for Domain=.local will
|
|
* be accepted, because the effective host name for the request-
|
|
* host is example.local, and example.local domain-matches .local.</li>
|
|
* </ul></blockquote>
|
|
*
|
|
* @param domain
|
|
* the domain name to check host name with
|
|
*
|
|
* @param host
|
|
* the host name in question
|
|
*
|
|
* @return {@code true} if they domain-matches; {@code false} if not
|
|
*/
|
|
public static boolean domainMatches(String domain, String host) {
|
|
if (domain == null || host == null)
|
|
return false;
|
|
|
|
// if there's no embedded dot in domain and domain is not .local
|
|
boolean isLocalDomain = ".local".equalsIgnoreCase(domain);
|
|
int embeddedDotInDomain = domain.indexOf('.');
|
|
if (embeddedDotInDomain == 0)
|
|
embeddedDotInDomain = domain.indexOf('.', 1);
|
|
if (!isLocalDomain
|
|
&& (embeddedDotInDomain == -1 ||
|
|
embeddedDotInDomain == domain.length() - 1))
|
|
return false;
|
|
|
|
// if the host name contains no dot and the domain name
|
|
// is .local or host.local
|
|
int firstDotInHost = host.indexOf('.');
|
|
if (firstDotInHost == -1 &&
|
|
(isLocalDomain ||
|
|
domain.equalsIgnoreCase(host + ".local"))) {
|
|
return true;
|
|
}
|
|
|
|
int domainLength = domain.length();
|
|
int lengthDiff = host.length() - domainLength;
|
|
if (lengthDiff == 0) {
|
|
// if the host name and the domain name are just string-compare euqal
|
|
return host.equalsIgnoreCase(domain);
|
|
}
|
|
else if (lengthDiff > 0) {
|
|
// need to check H & D component
|
|
String H = host.substring(0, lengthDiff);
|
|
String D = host.substring(lengthDiff);
|
|
|
|
// BEGIN Android-changed: App compat reason.
|
|
// 1) Disregard RFC 2965 sec. 3.3.2, the "The request-host is a HDN..."
|
|
// 2) match "foo.local" for domain ".local".
|
|
// return (H.indexOf('.') == -1 && D.equalsIgnoreCase(domain));
|
|
return D.equalsIgnoreCase(domain) && ((domain.startsWith(".") && isFullyQualifiedDomainName(domain, 1))
|
|
|| isLocalDomain);
|
|
// END Android-changed: App compat reason.
|
|
}
|
|
else if (lengthDiff == -1) {
|
|
// if domain is actually .host
|
|
return (domain.charAt(0) == '.' &&
|
|
host.equalsIgnoreCase(domain.substring(1)));
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// BEGIN Android-added: App compat reason.
|
|
private static boolean isFullyQualifiedDomainName(String s, int firstCharacter) {
|
|
int dotPosition = s.indexOf('.', firstCharacter + 1);
|
|
return dotPosition != -1 && dotPosition < s.length() - 1;
|
|
}
|
|
// END Android-added: App compat reason.
|
|
|
|
/**
|
|
* Constructs a cookie header string representation of this cookie,
|
|
* which is in the format defined by corresponding cookie specification,
|
|
* but without the leading "Cookie:" token.
|
|
*
|
|
* @return a string form of the cookie. The string has the defined format
|
|
*/
|
|
@Override
|
|
public String toString() {
|
|
if (getVersion() > 0) {
|
|
return toRFC2965HeaderString();
|
|
} else {
|
|
return toNetscapeHeaderString();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Test the equality of two HTTP cookies.
|
|
*
|
|
* <p> The result is {@code true} only if two cookies come from same domain
|
|
* (case-insensitive), have same name (case-insensitive), and have same path
|
|
* (case-sensitive).
|
|
*
|
|
* @return {@code true} if two HTTP cookies equal to each other;
|
|
* otherwise, {@code false}
|
|
*/
|
|
@Override
|
|
public boolean equals(Object obj) {
|
|
if (obj == this)
|
|
return true;
|
|
if (!(obj instanceof HttpCookie))
|
|
return false;
|
|
HttpCookie other = (HttpCookie)obj;
|
|
|
|
// One http cookie equals to another cookie (RFC 2965 sec. 3.3.3) if:
|
|
// 1. they come from same domain (case-insensitive),
|
|
// 2. have same name (case-insensitive),
|
|
// 3. and have same path (case-sensitive).
|
|
return equalsIgnoreCase(getName(), other.getName()) &&
|
|
equalsIgnoreCase(getDomain(), other.getDomain()) &&
|
|
Objects.equals(getPath(), other.getPath());
|
|
}
|
|
|
|
/**
|
|
* Returns the hash code of this HTTP cookie. The result is the sum of
|
|
* hash code value of three significant components of this cookie: name,
|
|
* domain, and path. That is, the hash code is the value of the expression:
|
|
* <blockquote>
|
|
* getName().toLowerCase().hashCode()<br>
|
|
* + getDomain().toLowerCase().hashCode()<br>
|
|
* + getPath().hashCode()
|
|
* </blockquote>
|
|
*
|
|
* @return this HTTP cookie's hash code
|
|
*/
|
|
@Override
|
|
public int hashCode() {
|
|
int h1 = name.toLowerCase().hashCode();
|
|
int h2 = (domain!=null) ? domain.toLowerCase().hashCode() : 0;
|
|
int h3 = (path!=null) ? path.hashCode() : 0;
|
|
|
|
return h1 + h2 + h3;
|
|
}
|
|
|
|
/**
|
|
* Create and return a copy of this object.
|
|
*
|
|
* @return a clone of this HTTP cookie
|
|
*/
|
|
@Override
|
|
public Object clone() {
|
|
try {
|
|
return super.clone();
|
|
} catch (CloneNotSupportedException e) {
|
|
throw new RuntimeException(e.getMessage());
|
|
}
|
|
}
|
|
|
|
// ---------------- Private operations --------------
|
|
|
|
// Note -- disabled for now to allow full Netscape compatibility
|
|
// from RFC 2068, token special case characters
|
|
//
|
|
// private static final String tspecials = "()<>@,;:\\\"/[]?={} \t";
|
|
// Android-changed: App compat reason. Disallow "=\t" as token.
|
|
// private static final String tspecials = ",; "; // deliberately includes space
|
|
private static final String tspecials = ",;= \t";
|
|
|
|
/*
|
|
* Tests a string and returns true if the string counts as a token.
|
|
*
|
|
* @param value
|
|
* the {@code String} to be tested
|
|
*
|
|
* @return {@code true} if the {@code String} is a token;
|
|
* {@code false} if it is not
|
|
*/
|
|
private static boolean isToken(String value) {
|
|
// Android-added: Reserved name can't be a token.
|
|
if (RESERVED_NAMES.contains(value.toLowerCase(Locale.US))) {
|
|
return false;
|
|
}
|
|
|
|
int len = value.length();
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
char c = value.charAt(i);
|
|
|
|
if (c < 0x20 || c >= 0x7f || tspecials.indexOf(c) != -1)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Parse header string to cookie object.
|
|
*
|
|
* @param header
|
|
* header string; should contain only one NAME=VALUE pair
|
|
*
|
|
* @return an HttpCookie being extracted
|
|
*
|
|
* @throws IllegalArgumentException
|
|
* if header string violates the cookie specification
|
|
*/
|
|
private static HttpCookie parseInternal(String header,
|
|
boolean retainHeader)
|
|
{
|
|
HttpCookie cookie = null;
|
|
String namevaluePair = null;
|
|
|
|
StringTokenizer tokenizer = new StringTokenizer(header, ";");
|
|
|
|
// there should always have at least on name-value pair;
|
|
// it's cookie's name
|
|
try {
|
|
namevaluePair = tokenizer.nextToken();
|
|
int index = namevaluePair.indexOf('=');
|
|
if (index != -1) {
|
|
String name = namevaluePair.substring(0, index).trim();
|
|
String value = namevaluePair.substring(index + 1).trim();
|
|
if (retainHeader)
|
|
cookie = new HttpCookie(name,
|
|
stripOffSurroundingQuote(value),
|
|
header);
|
|
else
|
|
cookie = new HttpCookie(name,
|
|
stripOffSurroundingQuote(value));
|
|
} else {
|
|
// no "=" in name-value pair; it's an error
|
|
throw new IllegalArgumentException("Invalid cookie name-value pair");
|
|
}
|
|
} catch (NoSuchElementException ignored) {
|
|
throw new IllegalArgumentException("Empty cookie header string");
|
|
}
|
|
|
|
// remaining name-value pairs are cookie's attributes
|
|
while (tokenizer.hasMoreTokens()) {
|
|
namevaluePair = tokenizer.nextToken();
|
|
int index = namevaluePair.indexOf('=');
|
|
String name, value;
|
|
if (index != -1) {
|
|
name = namevaluePair.substring(0, index).trim();
|
|
value = namevaluePair.substring(index + 1).trim();
|
|
} else {
|
|
name = namevaluePair.trim();
|
|
value = null;
|
|
}
|
|
|
|
// assign attribute to cookie
|
|
assignAttribute(cookie, name, value);
|
|
}
|
|
|
|
return cookie;
|
|
}
|
|
|
|
/*
|
|
* assign cookie attribute value to attribute name;
|
|
* use a map to simulate method dispatch
|
|
*/
|
|
static interface CookieAttributeAssignor {
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue);
|
|
}
|
|
static final java.util.Map<String, CookieAttributeAssignor> assignors =
|
|
new java.util.HashMap<>();
|
|
static {
|
|
assignors.put("comment", new CookieAttributeAssignor() {
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
if (cookie.getComment() == null)
|
|
cookie.setComment(attrValue);
|
|
}
|
|
});
|
|
assignors.put("commenturl", new CookieAttributeAssignor() {
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
if (cookie.getCommentURL() == null)
|
|
cookie.setCommentURL(attrValue);
|
|
}
|
|
});
|
|
assignors.put("discard", new CookieAttributeAssignor() {
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
cookie.setDiscard(true);
|
|
}
|
|
});
|
|
assignors.put("domain", new CookieAttributeAssignor(){
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
if (cookie.getDomain() == null)
|
|
cookie.setDomain(attrValue);
|
|
}
|
|
});
|
|
assignors.put("max-age", new CookieAttributeAssignor(){
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
try {
|
|
long maxage = Long.parseLong(attrValue);
|
|
if (cookie.getMaxAge() == MAX_AGE_UNSPECIFIED)
|
|
cookie.setMaxAge(maxage);
|
|
} catch (NumberFormatException ignored) {
|
|
throw new IllegalArgumentException(
|
|
"Illegal cookie max-age attribute");
|
|
}
|
|
}
|
|
});
|
|
assignors.put("path", new CookieAttributeAssignor(){
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
if (cookie.getPath() == null)
|
|
cookie.setPath(attrValue);
|
|
}
|
|
});
|
|
assignors.put("port", new CookieAttributeAssignor(){
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
if (cookie.getPortlist() == null)
|
|
cookie.setPortlist(attrValue == null ? "" : attrValue);
|
|
}
|
|
});
|
|
assignors.put("secure", new CookieAttributeAssignor(){
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
cookie.setSecure(true);
|
|
}
|
|
});
|
|
assignors.put("httponly", new CookieAttributeAssignor(){
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
cookie.setHttpOnly(true);
|
|
}
|
|
});
|
|
assignors.put("version", new CookieAttributeAssignor(){
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
try {
|
|
int version = Integer.parseInt(attrValue);
|
|
cookie.setVersion(version);
|
|
} catch (NumberFormatException ignored) {
|
|
// Just ignore bogus version, it will default to 0 or 1
|
|
}
|
|
}
|
|
});
|
|
assignors.put("expires", new CookieAttributeAssignor(){ // Netscape only
|
|
public void assign(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue) {
|
|
if (cookie.getMaxAge() == MAX_AGE_UNSPECIFIED) {
|
|
// BEGIN Android-changed: Use HttpDate for date parsing.
|
|
// it accepts broader set of date formats.
|
|
// cookie.setMaxAge(cookie.expiryDate2DeltaSeconds(attrValue));
|
|
// Android-changed: Altered max age calculation to avoid setting.
|
|
// it to MAX_AGE_UNSPECIFIED (-1) if "expires" is one second in past.
|
|
Date date = HttpDate.parse(attrValue);
|
|
long maxAgeInSeconds = 0;
|
|
if (date != null) {
|
|
maxAgeInSeconds = (date.getTime() - cookie.whenCreated) / 1000;
|
|
// Avoid MAX_AGE_UNSPECIFIED
|
|
if (maxAgeInSeconds == MAX_AGE_UNSPECIFIED) {
|
|
maxAgeInSeconds = 0;
|
|
}
|
|
}
|
|
cookie.setMaxAge(maxAgeInSeconds);
|
|
// END Android-changed: Use HttpDate for date parsing.
|
|
}
|
|
}
|
|
});
|
|
}
|
|
private static void assignAttribute(HttpCookie cookie,
|
|
String attrName,
|
|
String attrValue)
|
|
{
|
|
// strip off the surrounding "-sign if there's any
|
|
attrValue = stripOffSurroundingQuote(attrValue);
|
|
|
|
CookieAttributeAssignor assignor = assignors.get(attrName.toLowerCase());
|
|
if (assignor != null) {
|
|
assignor.assign(cookie, attrName, attrValue);
|
|
} else {
|
|
// Ignore the attribute as per RFC 2965
|
|
}
|
|
}
|
|
|
|
// BEGIN Android-removed: Android doesn't use JavaNetHttpCookieAccess.
|
|
/*
|
|
static {
|
|
sun.misc.SharedSecrets.setJavaNetHttpCookieAccess(
|
|
new sun.misc.JavaNetHttpCookieAccess() {
|
|
public List<HttpCookie> parse(String header) {
|
|
return HttpCookie.parse(header, true);
|
|
}
|
|
|
|
public String header(HttpCookie cookie) {
|
|
return cookie.header;
|
|
}
|
|
}
|
|
);
|
|
}
|
|
*/
|
|
// END Android-removed: Android doesn't use JavaNetHttpCookieAccess.
|
|
|
|
/*
|
|
* Returns the original header this cookie was consructed from, if it was
|
|
* constructed by parsing a header, otherwise null.
|
|
*/
|
|
private String header() {
|
|
return header;
|
|
}
|
|
|
|
/*
|
|
* Constructs a string representation of this cookie. The string format is
|
|
* as Netscape spec, but without leading "Cookie:" token.
|
|
*/
|
|
private String toNetscapeHeaderString() {
|
|
return getName() + "=" + getValue();
|
|
}
|
|
|
|
/*
|
|
* Constructs a string representation of this cookie. The string format is
|
|
* as RFC 2965/2109, but without leading "Cookie:" token.
|
|
*/
|
|
private String toRFC2965HeaderString() {
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
sb.append(getName()).append("=\"").append(getValue()).append('"');
|
|
if (getPath() != null)
|
|
sb.append(";$Path=\"").append(getPath()).append('"');
|
|
if (getDomain() != null)
|
|
sb.append(";$Domain=\"").append(getDomain()).append('"');
|
|
if (getPortlist() != null)
|
|
sb.append(";$Port=\"").append(getPortlist()).append('"');
|
|
|
|
return sb.toString();
|
|
}
|
|
|
|
static final TimeZone GMT = TimeZone.getTimeZone("GMT");
|
|
|
|
// BEGIN Android-removed: not used.
|
|
/*
|
|
* @param dateString
|
|
* a date string in one of the formats defined in Netscape cookie spec
|
|
*
|
|
* @return delta seconds between this cookie's creation time and the time
|
|
* specified by dateString
|
|
*
|
|
private long expiryDate2DeltaSeconds(String dateString) {
|
|
Calendar cal = new GregorianCalendar(GMT);
|
|
for (int i = 0; i < COOKIE_DATE_FORMATS.length; i++) {
|
|
SimpleDateFormat df = new SimpleDateFormat(COOKIE_DATE_FORMATS[i],
|
|
Locale.US);
|
|
cal.set(1970, 0, 1, 0, 0, 0);
|
|
df.setTimeZone(GMT);
|
|
df.setLenient(false);
|
|
df.set2DigitYearStart(cal.getTime());
|
|
try {
|
|
cal.setTime(df.parse(dateString));
|
|
if (!COOKIE_DATE_FORMATS[i].contains("yyyy")) {
|
|
// 2-digit years following the standard set
|
|
// out it rfc 6265
|
|
int year = cal.get(Calendar.YEAR);
|
|
year %= 100;
|
|
if (year < 70) {
|
|
year += 2000;
|
|
} else {
|
|
year += 1900;
|
|
}
|
|
cal.set(Calendar.YEAR, year);
|
|
}
|
|
return (cal.getTimeInMillis() - whenCreated) / 1000;
|
|
} catch (Exception e) {
|
|
// Ignore, try the next date format
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
*/
|
|
// END Android-removed: not used.
|
|
|
|
/*
|
|
* try to guess the cookie version through set-cookie header string
|
|
*/
|
|
private static int guessCookieVersion(String header) {
|
|
int version = 0;
|
|
|
|
header = header.toLowerCase();
|
|
if (header.indexOf("expires=") != -1) {
|
|
// only netscape cookie using 'expires'
|
|
version = 0;
|
|
} else if (header.indexOf("version=") != -1) {
|
|
// version is mandatory for rfc 2965/2109 cookie
|
|
version = 1;
|
|
} else if (header.indexOf("max-age") != -1) {
|
|
// rfc 2965/2109 use 'max-age'
|
|
version = 1;
|
|
} else if (startsWithIgnoreCase(header, SET_COOKIE2)) {
|
|
// only rfc 2965 cookie starts with 'set-cookie2'
|
|
version = 1;
|
|
}
|
|
|
|
return version;
|
|
}
|
|
|
|
private static String stripOffSurroundingQuote(String str) {
|
|
if (str != null && str.length() > 2 &&
|
|
str.charAt(0) == '"' && str.charAt(str.length() - 1) == '"') {
|
|
return str.substring(1, str.length() - 1);
|
|
}
|
|
if (str != null && str.length() > 2 &&
|
|
str.charAt(0) == '\'' && str.charAt(str.length() - 1) == '\'') {
|
|
return str.substring(1, str.length() - 1);
|
|
}
|
|
return str;
|
|
}
|
|
|
|
private static boolean equalsIgnoreCase(String s, String t) {
|
|
if (s == t) return true;
|
|
if ((s != null) && (t != null)) {
|
|
return s.equalsIgnoreCase(t);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private static boolean startsWithIgnoreCase(String s, String start) {
|
|
if (s == null || start == null) return false;
|
|
|
|
if (s.length() >= start.length() &&
|
|
start.equalsIgnoreCase(s.substring(0, start.length()))) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* Split cookie header string according to rfc 2965:
|
|
* 1) split where it is a comma;
|
|
* 2) but not the comma surrounding by double-quotes, which is the comma
|
|
* inside port list or embeded URIs.
|
|
*
|
|
* @param header
|
|
* the cookie header string to split
|
|
*
|
|
* @return list of strings; never null
|
|
*/
|
|
private static List<String> splitMultiCookies(String header) {
|
|
List<String> cookies = new java.util.ArrayList<String>();
|
|
int quoteCount = 0;
|
|
int p, q;
|
|
|
|
for (p = 0, q = 0; p < header.length(); p++) {
|
|
char c = header.charAt(p);
|
|
if (c == '"') quoteCount++;
|
|
if (c == ',' && (quoteCount % 2 == 0)) {
|
|
// it is comma and not surrounding by double-quotes
|
|
cookies.add(header.substring(q, p));
|
|
q = p + 1;
|
|
}
|
|
}
|
|
|
|
cookies.add(header.substring(q));
|
|
|
|
return cookies;
|
|
}
|
|
}
|