インターフェイスを作成する
interface ICustomPrincipal : IPrincipal
{
int UserId { get; set; }
string FirstName { get; set; }
string LastName { get; set; }
}
カスタムプリンシパル
public class CustomPrincipal : ICustomPrincipal
{
public IIdentity Identity { get; private set; }
public bool IsInRole(string role) { return false; }
public CustomPrincipal(string email)
{
this.Identity = new GenericIdentity(email);
}
public int UserId { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
}
CustomPrincipalSerializeModel - カスタム情報を FormsAuthenticationTicket オブジェクトの userdata フィールドにシリアル化するため。
public class CustomPrincipalSerializeModel
{
public int UserId { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
}
LogIn メソッド - カスタム情報を使用して Cookie を設定する
if (Membership.ValidateUser(viewModel.Email, viewModel.Password))
{
var user = userRepository.Users.Where(u => u.Email == viewModel.Email).First();
CustomPrincipalSerializeModel serializeModel = new CustomPrincipalSerializeModel();
serializeModel.UserId = user.Id;
serializeModel.FirstName = user.FirstName;
serializeModel.LastName = user.LastName;
JavaScriptSerializer serializer = new JavaScriptSerializer();
string userData = serializer.Serialize(serializeModel);
FormsAuthenticationTicket authTicket = new FormsAuthenticationTicket(
1,
viewModel.Email,
DateTime.Now,
DateTime.Now.AddMinutes(15),
false,
userData);
string encTicket = FormsAuthentication.Encrypt(authTicket);
HttpCookie faCookie = new HttpCookie(FormsAuthentication.FormsCookieName, encTicket);
Response.Cookies.Add(faCookie);
return RedirectToAction("Index", "Home");
}
Global.asax.cs - Cookie を読み取り、HttpContext.User オブジェクトを置き換えます。これは、PostAuthenticateRequest をオーバーライドすることによって行われます。
protected void Application_PostAuthenticateRequest(Object sender, EventArgs e)
{
HttpCookie authCookie = Request.Cookies[FormsAuthentication.FormsCookieName];
if (authCookie != null)
{
FormsAuthenticationTicket authTicket = FormsAuthentication.Decrypt(authCookie.Value);
JavaScriptSerializer serializer = new JavaScriptSerializer();
CustomPrincipalSerializeModel serializeModel = serializer.Deserialize<CustomPrincipalSerializeModel>(authTicket.UserData);
CustomPrincipal newUser = new CustomPrincipal(authTicket.Name);
newUser.UserId = serializeModel.UserId;
newUser.FirstName = serializeModel.FirstName;
newUser.LastName = serializeModel.LastName;
HttpContext.Current.User = newUser;
}
}
Razor ビューでのアクセス
@((User as CustomPrincipal).Id)
@((User as CustomPrincipal).FirstName)
@((User as CustomPrincipal).LastName)
完全な回答については、このトピックを使用してください:
ASP.NET MVC - カスタム IIdentity または IPrincipal の設定