Asp.Net身份 - 不区分大小写的电子邮件和用户名 [英] Asp.Net Identity - case insensitive email and usernames

问题描述

有没有办法让Asp.Net身份来区分使用电子邮件地址和用户名？

Is there a way to get Asp.Net Identity to be case insensitive with email addresses and usernames?

目前，如果我称之为FindByEmailAsync（电子邮件），它只会工作，如果电子邮件地址被存储正是因为它是键入的时刻（区分大小写）

At the moment if I call "FindByEmailAsync(email)" it will only work if the email address is being stored exactly as it's is typed (case sensitive)

推荐答案

您可以更改用户是如何注册，以便用户名设置为小写，并在同时登录时。

You can change how the user is registered so that the username is set to lowercase and when logging in as well.

有关注册用户，在的AccountController

For registering the user, in the AccountController

    [HttpPost]
    [AllowAnonymous]
    [ValidateAntiForgeryToken]
    public async Task<ActionResult> Register(RegisterViewModel model)
    {
        if (ModelState.IsValid)
        {
            var user = new ApplicationUser() { UserName = model.Email.ToLowerInvariant(), Email = model.Email };
            IdentityResult result = await UserManager.CreateAsync(user, model.Password);
            if (result.Succeeded)
            {
                await SignInAsync(user, isPersistent: false);

                return RedirectToAction("Index", "Home");
            }
            else
            {
                AddErrors(result);
            }
        }

和在日志记录：

    [HttpPost]
    [AllowAnonymous]
    [ValidateAntiForgeryToken]
    public async Task<ActionResult> Login(LoginViewModel model, string returnUrl)
    {
        if (ModelState.IsValid)
        {
            var user = await UserManager.FindAsync(model.Email.ToLowerInvariant(), model.Password);
            if (user != null)
            {
                await SignInAsync(user, model.RememberMe);
                return RedirectToLocal(returnUrl);
            }
            else
            {
                ModelState.AddModelError("", "Invalid username or password.");
            }
        }

        // If we got this far, something failed, redisplay form
        return View(model);
    }

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