Claims helper block

Index.cshtml

@model ListAllClaimsModel

<div>
    <h3>@Model.BlockTitle</h3>

    <table class="table table-striped table-condensed">
        @*<thead>
            <tr>
                <th>Claims</th>
            </tr>
        </thead>*@
        <tbody>
            @foreach (var claim in Model.AllClaims)
            {
                <tr>
                    <td>
                    @claim.Type <br />
                        <strong>
                            @if (claim.Value.Length > 80)
                            {
                                @claim.Value.Substring(0, 80)
                            }
                            else
                            {
                                @claim.Value
                            }
                        </strong> 
                    </td>
                </tr>
            }
        </tbody>
    </table>

</div>

ListAllClaimsBlock.cs

using EPiServer.DataAbstraction;
using System.ComponentModel.DataAnnotations;

namespace EPiServerFS.Models.Blocks
{
    [SiteContentType(GUID = "9442B0A5-A683-4811-BD25-31BC0232F83E")]
    public class ListAllClaimsBlock : SiteBlockData
    {
        [Display(Order = 1, Name = "List title", GroupName = SystemTabNames.Content)]
        public virtual string BlockTitle { get; set; }

        public override void SetDefaultValues(ContentType contentType)
        {
            base.SetDefaultValues(contentType);
            this.BlockTitle = "List of all claims for user:";
        }
    }
}

ListAllClaimsBlockController.cs

using EPiServer.Web.Mvc;
using EPiServerFS.Models.Blocks;
using EPiServerFS.Models.ViewModels;
using System.Security.Claims;
using System.Web.Mvc;

namespace EPiServerFS.Controllers
{
    public class ListAllClaimsBlockController : BlockController<ListAllClaimsBlock>
    {
        public override ActionResult Index(ListAllClaimsBlock currentBlock)
        {
            ListAllClaimsModel model = new ListAllClaimsModel();

            model.BlockTitle = currentBlock.BlockTitle;

            if (this.User != null && (this.User as ClaimsPrincipal) != null && (this.User as ClaimsPrincipal).Identity.IsAuthenticated)
            {
                model.AllClaims = (this.User as ClaimsPrincipal).Claims;
            }
            return PartialView(model);
        }
    }
}

ListAllClaimsModel.cs

using System.Collections.Generic;
using System.Security.Claims;

namespace EPiServerFS.Models.ViewModels
{
    public class ListAllClaimsModel
    {
        public string BlockTitle;
        public IEnumerable<Claim> AllClaims;
    }
}