a developer's notes – a semi-technical web development BLOG

December 17, 2014

Expire All Cookies in C#

Filed under: C# — Duy Nguyen @ 11:27 am
Tags: , ,
public static class CookieUtility
{
	public static void ExpireAllCookies(HttpRequestBase request, HttpResponseBase response)
	{
		// Get all cookies associated with MYA
		List<HttpCookie> cookies = new List<HttpCookie>();

		var cookieKeysArray = request.Cookies.AllKeys;

		for (int i = 0; i < cookieKeysArray.Length; i++)
		{
			HttpCookie cookie = request.Cookies[cookieKeysArray[i]];
			cookies.Add(cookie);
		}

		// Expire all cookies
		foreach (var cookie in cookies)
		{
			if (cookie != null)
				CookieUtility.ExpireCookie(response, cookie);
		}
	}
}

// From a controller
public virtual ActionResult LogOut(string logOutUrl)
{
	CookieUtility.ExpireAllCookies(Request, Response);

	return Redirect(logOutUrl);
}

// From Global.asax
var requestWrapper = new HttpRequestWrapper(Request);
var responseWrapper = new HttpResponseWrapper(Response);
CookieUtility.ExpireAllCookies(requestWrapper, responseWrapper);

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