//
|
// Cookie.cs
|
// Copied from System.Net.Cookie
|
//
|
// Authors:
|
// Lawrence Pit (loz@cable.a2000.nl)
|
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
|
// Daniel Nauck (dna@mono-project.de)
|
// Sebastien Pouliot (sebastien@ximian.com)
|
//
|
// Copyright (C) 2004,2009 Novell, Inc (http://www.novell.com)
|
//
|
// Permission is hereby granted, free of charge, to any person obtaining
|
// a copy of this software and associated documentation files (the
|
// "Software"), to deal in the Software without restriction, including
|
// without limitation the rights to use, copy, modify, merge, publish,
|
// distribute, sublicense, and/or sell copies of the Software, and to
|
// permit persons to whom the Software is furnished to do so, subject to
|
// the following conditions:
|
//
|
// The above copyright notice and this permission notice shall be
|
// included in all copies or substantial portions of the Software.
|
//
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
//
|
|
using System;
|
using System.Text;
|
using System.Globalization;
|
using System.Collections;
|
using System.Net;
|
|
namespace WebSocketSharp.Net {
|
|
// Supported cookie formats are:
|
// Netscape: http://home.netscape.com/newsref/std/cookie_spec.html
|
// RFC 2109: http://www.ietf.org/rfc/rfc2109.txt
|
// RFC 2965: http://www.ietf.org/rfc/rfc2965.txt
|
[Serializable]
|
public sealed class Cookie
|
{
|
string comment;
|
Uri commentUri;
|
bool discard;
|
string domain;
|
DateTime expires;
|
bool httpOnly;
|
string name;
|
string path;
|
string port;
|
int [] ports;
|
bool secure;
|
DateTime timestamp;
|
string val;
|
int version;
|
|
static char [] reservedCharsName = new char [] {' ', '=', ';', ',', '\n', '\r', '\t'};
|
static char [] portSeparators = new char [] {'"', ','};
|
static string tspecials = "()<>@,;:\\\"/[]?={} \t"; // from RFC 2965, 2068
|
|
public Cookie ()
|
{
|
expires = DateTime.MinValue;
|
timestamp = DateTime.Now;
|
domain = String.Empty;
|
name = String.Empty;
|
val = String.Empty;
|
comment = String.Empty;
|
port = String.Empty;
|
}
|
|
public Cookie (string name, string value)
|
: this ()
|
{
|
Name = name;
|
Value = value;
|
}
|
|
public Cookie (string name, string value, string path)
|
: this (name, value)
|
{
|
Path = path;
|
}
|
|
public Cookie (string name, string value, string path, string domain)
|
: this (name, value, path)
|
{
|
Domain = domain;
|
}
|
|
public string Comment {
|
get { return comment; }
|
set { comment = value == null ? String.Empty : value; }
|
}
|
|
public Uri CommentUri {
|
get { return commentUri; }
|
set { commentUri = value; }
|
}
|
|
public bool Discard {
|
get { return discard; }
|
set { discard = value; }
|
}
|
|
public string Domain {
|
get { return domain; }
|
set {
|
if (String.IsNullOrEmpty (value)) {
|
domain = String.Empty;
|
ExactDomain = true;
|
} else {
|
domain = value;
|
ExactDomain = (value [0] != '.');
|
}
|
}
|
}
|
|
internal bool ExactDomain { get; set; }
|
|
public bool Expired {
|
get {
|
return expires <= DateTime.Now &&
|
expires != DateTime.MinValue;
|
}
|
set {
|
if (value)
|
expires = DateTime.Now;
|
}
|
}
|
|
public DateTime Expires {
|
get { return expires; }
|
set { expires = value; }
|
}
|
|
public bool HttpOnly {
|
get { return httpOnly; }
|
set { httpOnly = value; }
|
}
|
|
public string Name {
|
get { return name; }
|
set {
|
if (String.IsNullOrEmpty (value))
|
throw new CookieException ("Name cannot be empty");
|
|
if (value [0] == '$' || value.IndexOfAny (reservedCharsName) != -1) {
|
// see CookieTest, according to MS implementation
|
// the name value changes even though it's incorrect
|
name = String.Empty;
|
throw new CookieException ("Name contains invalid characters");
|
}
|
|
name = value;
|
}
|
}
|
|
public string Path {
|
get { return (path == null) ? String.Empty : path; }
|
set { path = (value == null) ? String.Empty : value; }
|
}
|
|
public string Port {
|
get { return port; }
|
set {
|
if (String.IsNullOrEmpty (value)) {
|
port = String.Empty;
|
return;
|
}
|
if (value [0] != '"' || value [value.Length - 1] != '"') {
|
throw new CookieException("The 'Port'='" + value + "' part of the cookie is invalid. Port must be enclosed by double quotes.");
|
}
|
port = value;
|
string [] values = port.Split (portSeparators);
|
ports = new int[values.Length];
|
for (int i = 0; i < ports.Length; i++) {
|
ports [i] = Int32.MinValue;
|
if (values [i].Length == 0)
|
continue;
|
try {
|
ports [i] = Int32.Parse (values [i]);
|
} catch (Exception e) {
|
throw new CookieException("The 'Port'='" + value + "' part of the cookie is invalid. Invalid value: " + values [i], e);
|
}
|
}
|
Version = 1;
|
}
|
}
|
|
internal int [] Ports {
|
get { return ports; }
|
}
|
|
public bool Secure {
|
get { return secure; }
|
set { secure = value; }
|
}
|
|
public DateTime TimeStamp {
|
get { return timestamp; }
|
}
|
|
public string Value {
|
get { return val; }
|
set {
|
if (value == null) {
|
val = String.Empty;
|
return;
|
}
|
|
// LAMESPEC: According to .Net specs the Value property should not accept
|
// the semicolon and comma characters, yet it does. For now we'll follow
|
// the behaviour of MS.Net instead of the specs.
|
/*
|
if (value.IndexOfAny(reservedCharsValue) != -1)
|
throw new CookieException("Invalid value. Value cannot contain semicolon or comma characters.");
|
*/
|
|
val = value;
|
}
|
}
|
|
public int Version {
|
get { return version; }
|
set {
|
if ((value < 0) || (value > 10))
|
version = 0;
|
else
|
version = value;
|
}
|
}
|
|
public override bool Equals (Object obj)
|
{
|
System.Net.Cookie c = obj as System.Net.Cookie;
|
|
return c != null &&
|
String.Compare (this.name, c.Name, true, CultureInfo.InvariantCulture) == 0 &&
|
String.Compare (this.val, c.Value, false, CultureInfo.InvariantCulture) == 0 &&
|
String.Compare (this.Path, c.Path, false, CultureInfo.InvariantCulture) == 0 &&
|
String.Compare (this.domain, c.Domain, true, CultureInfo.InvariantCulture) == 0 &&
|
this.version == c.Version;
|
}
|
|
public override int GetHashCode ()
|
{
|
return hash (
|
StringComparer.InvariantCultureIgnoreCase.GetHashCode (name),
|
val.GetHashCode (),
|
Path.GetHashCode (),
|
StringComparer.InvariantCultureIgnoreCase.GetHashCode (domain),
|
version);
|
}
|
|
private static int hash (int i, int j, int k, int l, int m)
|
{
|
return i ^ (j << 13 | j >> 19) ^ (k << 26 | k >> 6) ^ (l << 7 | l >> 25) ^ (m << 20 | m >> 12);
|
}
|
|
// returns a string that can be used to send a cookie to an Origin Server
|
// i.e., only used for clients
|
// see para 4.2.2 of RFC 2109 and para 3.3.4 of RFC 2965
|
// see also bug #316017
|
public override string ToString ()
|
{
|
return ToString (null);
|
}
|
|
internal string ToString (Uri uri)
|
{
|
if (name.Length == 0)
|
return String.Empty;
|
|
StringBuilder result = new StringBuilder (64);
|
|
if (version > 0)
|
result.Append ("$Version=").Append (version).Append ("; ");
|
|
result.Append (name).Append ("=").Append (val);
|
|
if (version == 0)
|
return result.ToString ();
|
|
if (!String.IsNullOrEmpty (path))
|
result.Append ("; $Path=").Append (path);
|
else if (uri != null)
|
result.Append ("; $Path=/").Append (path);
|
|
bool append_domain = (uri == null) || (uri.Host != domain);
|
if (append_domain && !String.IsNullOrEmpty (domain))
|
result.Append ("; $Domain=").Append (domain);
|
|
if (port != null && port.Length != 0)
|
result.Append ("; $Port=").Append (port);
|
|
return result.ToString ();
|
}
|
|
internal string ToClientString ()
|
{
|
if (name.Length == 0)
|
return String.Empty;
|
|
StringBuilder result = new StringBuilder (64);
|
|
if (version > 0)
|
result.Append ("Version=").Append (version).Append (";");
|
|
result.Append (name).Append ("=").Append (val);
|
|
if (path != null && path.Length != 0)
|
result.Append (";Path=").Append (QuotedString (path));
|
|
if (domain != null && domain.Length != 0)
|
result.Append (";Domain=").Append (QuotedString (domain));
|
|
if (port != null && port.Length != 0)
|
result.Append (";Port=").Append (port);
|
|
return result.ToString ();
|
}
|
|
// See par 3.6 of RFC 2616
|
string QuotedString (string value)
|
{
|
if (version == 0 || IsToken (value))
|
return value;
|
else
|
return "\"" + value.Replace("\"", "\\\"") + "\"";
|
}
|
|
bool IsToken (string value)
|
{
|
int len = value.Length;
|
for (int i = 0; i < len; i++) {
|
char c = value [i];
|
if (c < 0x20 || c >= 0x7f || tspecials.IndexOf (c) != -1)
|
return false;
|
}
|
return true;
|
}
|
}
|
}
|
