89 lines
3.1 KiB
C#
89 lines
3.1 KiB
C#
using System;
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using System.Linq;
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using System.Net.Http;
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using System.Net.Http.Headers;
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using System.Web;
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using Umbraco.Core;
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namespace Umbraco.Web
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{
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/// <summary>
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/// Extension methods used to check/set cookie values
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/// </summary>
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/// <remarks>
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/// This should 100% supercede the StateManager.Cookies
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/// </remarks>
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internal static class HttpCookieExtensions
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{
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/// <summary>
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/// Removes the cookie from the request and the response if it exists
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/// </summary>
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/// <param name="http"></param>
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/// <param name="cookieName"></param>
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public static void ExpireCookie(this HttpContextBase http, string cookieName)
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{
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//remove from the request
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http.Request.Cookies.Remove(cookieName);
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//expire from the response
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var angularCookie = http.Response.Cookies[cookieName];
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if (angularCookie != null)
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{
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//this will expire immediately and be removed from the browser
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angularCookie.Expires = DateTime.Now.AddYears(-1);
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}
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else
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{
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//ensure there's def an expired cookie
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http.Response.Cookies.Add(new HttpCookie(cookieName) { Expires = DateTime.Now.AddYears(-1) });
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}
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}
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public static string GetPreviewCookieValue(this HttpRequestMessage request)
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{
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var cookie = request.Headers.GetCookies(Constants.Web.PreviewCookieName).FirstOrDefault();
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if (cookie != null)
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{
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if (cookie[Constants.Web.PreviewCookieName] != null)
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{
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return cookie[Constants.Web.PreviewCookieName].Value;
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}
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}
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return null;
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}
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/// <summary>
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/// Does a preview cookie exist ?
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public static bool HasPreviewCookie(this HttpRequestBase request)
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{
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return request.Cookies[Constants.Web.PreviewCookieName] != null;
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}
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/// <summary>
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/// Does a cookie exist with the specified key ?
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/// </summary>
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/// <param name="request"></param>
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/// <param name="key"></param>
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/// <returns></returns>
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public static bool HasCookie(this HttpRequestBase request, string key)
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{
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return request.Cookies[key] != null;
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}
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/// <summary>
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/// Is there a cookie with the key supplied and does it have a value that is not empty
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/// </summary>
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/// <param name="request"></param>
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/// <param name="key"></param>
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/// <returns></returns>
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public static bool HasCookieValue(this HttpRequestBase request, string key)
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{
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return request.Cookies[key] != null
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&& request.Cookies[key].Value != null
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&& request.Cookies[key].Value.IsNullOrWhiteSpace() == false;
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}
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}
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} |