Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / HttpCookie.cs / 4 / HttpCookie.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
/*
* HttpCookie - collection + name + path
*
* Copyright (c) 1998 Microsoft Corporation
*/
namespace System.Web {
using System.Text;
using System.Collections;
using System.Collections.Specialized;
using System.Globalization;
using System.Security.Permissions;
using System.Web.Configuration;
using System.Web.Management;
///
///
/// Provides a type-safe way
/// to access multiple HTTP cookies.
///
///
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public sealed class HttpCookie {
private String _name;
private String _path = "/";
private bool _secure;
private bool _httpOnly;
private String _domain;
private bool _expirationSet;
private DateTime _expires;
private String _stringValue;
private HttpValueCollection _multiValue;
private bool _changed;
private bool _added;
internal HttpCookie() {
_changed = true;
}
/*
* Constructor - empty cookie with name
*/
///
///
/// Initializes a new instance of the
///
public HttpCookie(String name) {
_name = name;
SetDefaultsFromConfig();
_changed = true;
}
/*
* Constructor - cookie with name and value
*/
///
///
/// Initializes a new instance of the
///
public HttpCookie(String name, String value) {
_name = name;
_stringValue = value;
SetDefaultsFromConfig();
_changed = true;
}
private void SetDefaultsFromConfig() {
HttpCookiesSection config = RuntimeConfig.GetConfig().HttpCookies;
_secure = config.RequireSSL;
_httpOnly = config.HttpOnlyCookies;
if (config.Domain != null && config.Domain.Length > 0)
_domain = config.Domain;
}
/*
* Whether the cookie contents have changed
*/
internal bool Changed {
get { return _changed; }
set { _changed = value; }
}
/*
* Whether the cookie has been added
*/
internal bool Added {
get { return _added; }
set { _added = value; }
}
/*
* Cookie name
*/
///
///
/// Gets
/// or sets the name of cookie.
///
///
public String Name {
get { return _name;}
set {
_name = value;
_changed = true;
}
}
/*
* Cookie path
*/
///
///
/// Gets or sets the URL prefix to transmit with the
/// current cookie.
///
///
public String Path {
get { return _path;}
set {
_path = value;
_changed = true;
}
}
/*
* 'Secure' flag
*/
///
///
/// Indicates whether the cookie should be transmitted only over HTTPS.
///
///
public bool Secure {
get { return _secure;}
set {
_secure = value;
_changed = true;
}
}
///
///
/// Indicates whether the cookie should have HttpOnly attribute
///
///
public bool HttpOnly {
get { return _httpOnly;}
set {
_httpOnly = value;
_changed = true;
}
}
/*
* Cookie domain
*/
///
///
/// Restricts domain cookie is to be used with.
///
///
public String Domain {
get { return _domain;}
set {
_domain = value;
_changed = true;
}
}
/*
* Cookie expiration
*/
///
///
/// Expiration time for cookie (in minutes).
///
///
public DateTime Expires {
get {
return(_expirationSet ? _expires : DateTime.MinValue);
}
set {
_expires = value;
_expirationSet = true;
_changed = true;
}
}
/*
* Cookie value as string
*/
///
///
/// Gets
/// or
/// sets an individual cookie value.
///
///
public String Value {
get {
if (_multiValue != null)
return _multiValue.ToString(false);
else
return _stringValue;
}
set {
if (_multiValue != null) {
// reset multivalue collection to contain
// single keyless value
_multiValue.Reset();
_multiValue.Add(null, value);
}
else {
// remember as string
_stringValue = value;
}
_changed = true;
}
}
/*
* Checks is cookie has sub-keys
*/
///
/// Gets a
/// value indicating whether the cookie has sub-keys.
///
public bool HasKeys {
get { return Values.HasKeys();}
}
private bool SupportsHttpOnly(HttpContext context) {
if (context != null && context.Request != null) {
HttpBrowserCapabilities browser = context.Request.Browser;
return (browser != null && (browser.Type != "IE5" || browser.Platform != "MacPPC"));
}
return false;
}
/*
* Cookie values as multivalue collection
*/
///
/// Gets individual key:value pairs within a single cookie object.
///
public NameValueCollection Values {
get {
if (_multiValue == null) {
// create collection on demand
_multiValue = new HttpValueCollection();
// convert existing string value into multivalue
if (_stringValue != null) {
if (_stringValue.IndexOf('&') >= 0 || _stringValue.IndexOf('=') >= 0)
_multiValue.FillFromString(_stringValue);
else
_multiValue.Add(null, _stringValue);
_stringValue = null;
}
}
_changed = true;
return _multiValue;
}
}
/*
* Default indexed property -- lookup the multivalue collection
*/
///
///
/// Shortcut for HttpCookie$Values[key]. Required for ASP compatibility.
///
///
public String this[String key]
{
get {
return Values[key];
}
set {
Values[key] = value;
_changed = true;
}
}
/*
* Construct set-cookie header
*/
internal HttpResponseHeader GetSetCookieHeader(HttpContext context) {
StringBuilder s = new StringBuilder();
// cookiename=
if (!String.IsNullOrEmpty(_name)) {
s.Append(_name);
s.Append('=');
}
// key=value&...
if (_multiValue != null)
s.Append(_multiValue.ToString(false));
else if (_stringValue != null)
s.Append(_stringValue);
// domain
if (!String.IsNullOrEmpty(_domain)) {
s.Append("; domain=");
s.Append(_domain);
}
// expiration
if (_expirationSet && _expires != DateTime.MinValue) {
s.Append("; expires=");
s.Append(HttpUtility.FormatHttpCookieDateTime(_expires));
}
// path
if (!String.IsNullOrEmpty(_path)) {
s.Append("; path=");
s.Append(_path);
}
// secure
if (_secure)
s.Append("; secure");
// httponly, Note: IE5 on the Mac doesn't support this
if (_httpOnly && SupportsHttpOnly(context)) {
s.Append("; HttpOnly");
}
// return as HttpResponseHeader
return new HttpResponseHeader(HttpWorkerRequest.HeaderSetCookie, s.ToString());
}
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
public enum HttpCookieMode {
UseUri, // cookieless=true
UseCookies, // cookieless=false
AutoDetect, // cookieless=AutoDetect; Probe if device is cookied
UseDeviceProfile // cookieless=UseDeviceProfile; Base decision on caps
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
/*
* HttpCookie - collection + name + path
*
* Copyright (c) 1998 Microsoft Corporation
*/
namespace System.Web {
using System.Text;
using System.Collections;
using System.Collections.Specialized;
using System.Globalization;
using System.Security.Permissions;
using System.Web.Configuration;
using System.Web.Management;
///
///
/// Provides a type-safe way
/// to access multiple HTTP cookies.
///
///
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public sealed class HttpCookie {
private String _name;
private String _path = "/";
private bool _secure;
private bool _httpOnly;
private String _domain;
private bool _expirationSet;
private DateTime _expires;
private String _stringValue;
private HttpValueCollection _multiValue;
private bool _changed;
private bool _added;
internal HttpCookie() {
_changed = true;
}
/*
* Constructor - empty cookie with name
*/
///
///
/// Initializes a new instance of the
///
public HttpCookie(String name) {
_name = name;
SetDefaultsFromConfig();
_changed = true;
}
/*
* Constructor - cookie with name and value
*/
///
///
/// Initializes a new instance of the
///
public HttpCookie(String name, String value) {
_name = name;
_stringValue = value;
SetDefaultsFromConfig();
_changed = true;
}
private void SetDefaultsFromConfig() {
HttpCookiesSection config = RuntimeConfig.GetConfig().HttpCookies;
_secure = config.RequireSSL;
_httpOnly = config.HttpOnlyCookies;
if (config.Domain != null && config.Domain.Length > 0)
_domain = config.Domain;
}
/*
* Whether the cookie contents have changed
*/
internal bool Changed {
get { return _changed; }
set { _changed = value; }
}
/*
* Whether the cookie has been added
*/
internal bool Added {
get { return _added; }
set { _added = value; }
}
/*
* Cookie name
*/
///
///
/// Gets
/// or sets the name of cookie.
///
///
public String Name {
get { return _name;}
set {
_name = value;
_changed = true;
}
}
/*
* Cookie path
*/
///
///
/// Gets or sets the URL prefix to transmit with the
/// current cookie.
///
///
public String Path {
get { return _path;}
set {
_path = value;
_changed = true;
}
}
/*
* 'Secure' flag
*/
///
///
/// Indicates whether the cookie should be transmitted only over HTTPS.
///
///
public bool Secure {
get { return _secure;}
set {
_secure = value;
_changed = true;
}
}
///
///
/// Indicates whether the cookie should have HttpOnly attribute
///
///
public bool HttpOnly {
get { return _httpOnly;}
set {
_httpOnly = value;
_changed = true;
}
}
/*
* Cookie domain
*/
///
///
/// Restricts domain cookie is to be used with.
///
///
public String Domain {
get { return _domain;}
set {
_domain = value;
_changed = true;
}
}
/*
* Cookie expiration
*/
///
///
/// Expiration time for cookie (in minutes).
///
///
public DateTime Expires {
get {
return(_expirationSet ? _expires : DateTime.MinValue);
}
set {
_expires = value;
_expirationSet = true;
_changed = true;
}
}
/*
* Cookie value as string
*/
///
///
/// Gets
/// or
/// sets an individual cookie value.
///
///
public String Value {
get {
if (_multiValue != null)
return _multiValue.ToString(false);
else
return _stringValue;
}
set {
if (_multiValue != null) {
// reset multivalue collection to contain
// single keyless value
_multiValue.Reset();
_multiValue.Add(null, value);
}
else {
// remember as string
_stringValue = value;
}
_changed = true;
}
}
/*
* Checks is cookie has sub-keys
*/
///
/// Gets a
/// value indicating whether the cookie has sub-keys.
///
public bool HasKeys {
get { return Values.HasKeys();}
}
private bool SupportsHttpOnly(HttpContext context) {
if (context != null && context.Request != null) {
HttpBrowserCapabilities browser = context.Request.Browser;
return (browser != null && (browser.Type != "IE5" || browser.Platform != "MacPPC"));
}
return false;
}
/*
* Cookie values as multivalue collection
*/
///
/// Gets individual key:value pairs within a single cookie object.
///
public NameValueCollection Values {
get {
if (_multiValue == null) {
// create collection on demand
_multiValue = new HttpValueCollection();
// convert existing string value into multivalue
if (_stringValue != null) {
if (_stringValue.IndexOf('&') >= 0 || _stringValue.IndexOf('=') >= 0)
_multiValue.FillFromString(_stringValue);
else
_multiValue.Add(null, _stringValue);
_stringValue = null;
}
}
_changed = true;
return _multiValue;
}
}
/*
* Default indexed property -- lookup the multivalue collection
*/
///
///
/// Shortcut for HttpCookie$Values[key]. Required for ASP compatibility.
///
///
public String this[String key]
{
get {
return Values[key];
}
set {
Values[key] = value;
_changed = true;
}
}
/*
* Construct set-cookie header
*/
internal HttpResponseHeader GetSetCookieHeader(HttpContext context) {
StringBuilder s = new StringBuilder();
// cookiename=
if (!String.IsNullOrEmpty(_name)) {
s.Append(_name);
s.Append('=');
}
// key=value&...
if (_multiValue != null)
s.Append(_multiValue.ToString(false));
else if (_stringValue != null)
s.Append(_stringValue);
// domain
if (!String.IsNullOrEmpty(_domain)) {
s.Append("; domain=");
s.Append(_domain);
}
// expiration
if (_expirationSet && _expires != DateTime.MinValue) {
s.Append("; expires=");
s.Append(HttpUtility.FormatHttpCookieDateTime(_expires));
}
// path
if (!String.IsNullOrEmpty(_path)) {
s.Append("; path=");
s.Append(_path);
}
// secure
if (_secure)
s.Append("; secure");
// httponly, Note: IE5 on the Mac doesn't support this
if (_httpOnly && SupportsHttpOnly(context)) {
s.Append("; HttpOnly");
}
// return as HttpResponseHeader
return new HttpResponseHeader(HttpWorkerRequest.HeaderSetCookie, s.ToString());
}
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
public enum HttpCookieMode {
UseUri, // cookieless=true
UseCookies, // cookieless=false
AutoDetect, // cookieless=AutoDetect; Probe if device is cookied
UseDeviceProfile // cookieless=UseDeviceProfile; Base decision on caps
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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