aspnetcore/test/Microsoft.AspNet.Mvc.Functi.../AntiForgeryTestHelper.cs

78 lines
3.0 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Xml.Linq;
namespace Microsoft.AspNet.Mvc.FunctionalTests
{
public static class AntiForgeryTestHelper
{
public static string RetrieveAntiForgeryToken(string htmlContent, string actionUrl)
{
return RetrieveAntiForgeryTokens(
htmlContent,
attribute => attribute.Value.EndsWith(actionUrl, StringComparison.OrdinalIgnoreCase) ||
attribute.Value.EndsWith($"HtmlEncode[[{ actionUrl }]]", StringComparison.OrdinalIgnoreCase))
.FirstOrDefault();
}
public static IEnumerable<string> RetrieveAntiForgeryTokens(
string htmlContent,
Func<XAttribute, bool> predicate = null)
{
predicate = predicate ?? (_ => true);
htmlContent = "<Root>" + htmlContent + "</Root>";
var reader = new StringReader(htmlContent);
var htmlDocument = XDocument.Load(reader);
foreach (var form in htmlDocument.Descendants("form"))
{
foreach (var attribute in form.Attributes())
{
if (string.Equals(attribute.Name.LocalName, "action", StringComparison.OrdinalIgnoreCase)
&& predicate(attribute))
{
foreach (var input in form.Descendants("input"))
{
if (input.Attribute("name") != null &&
input.Attribute("type") != null &&
(input.Attribute("name").Value == "__RequestVerificationToken" &&
input.Attribute("type").Value == "hidden" ||
input.Attribute("name").Value == "HtmlEncode[[__RequestVerificationToken]]" &&
input.Attribute("type").Value == "HtmlEncode[[hidden]]"))
{
yield return input.Attributes("value").First().Value;
}
}
}
}
}
}
public static CookieMetadata RetrieveAntiForgeryCookie(HttpResponseMessage response)
{
var setCookieArray = response.Headers.GetValues("Set-Cookie").ToArray();
var cookie = setCookieArray[0].Split(';').First().Split('=');
var cookieKey = cookie[0];
var cookieData = cookie[1];
return new CookieMetadata()
{
Key = cookieKey,
Value = cookieData
};
}
public class CookieMetadata
{
public string Key { get; set; }
public string Value { get; set; }
}
}
}