public async Task AddCurrentAppIdToUserIfNotAlreadyAdded(AppMember user, string appId)
{
if (user != null && !await _userStore.IsUserRegisteredForAppAsync(user, appId)) // user == null on registration
{
await _userStore.AddAppToUserAsync(user, appId);
}
}
public async Task AddCurrentServiceIdToUserIfNotAlreadyAdded(AppMember user, string serviceId)
{
if (user != null && !await _userStore.IsUserRegisteredForServiceAsync(user, serviceId)) // user == null on registration
{
await _userStore.AddServiceToUserAsync(user, serviceId);
}
}
private async Task<AppMember> CreateExternalUser(string email, ExternalLoginInfo info)
{
var user = new AppMember {UserName = email, Email = email};
var result = await UserManager.CreateAsync(user);
if (result.Succeeded)
{
result = await UserManager.AddLoginAsync(user.Id, info.Login);
if (result.Succeeded)
{
return await Task.FromResult(user);
}
else
{
Logger.Trace("Create user failed: {0}", string.Join("; ", result.Errors));
AddErrors(result);
}
}
else
{
Logger.Trace("Create user failed: {0}", string.Join("; ", result.Errors));
AddErrors(result);
}
return await Task.FromResult<AppMember>(null);
}
private async Task AddLoginToUser(AppMember user, ExternalLoginInfo info)
{
if (!(await _userStore.GetLoginsAsync(user)).Any(x =>
info.Login.LoginProvider == x.LoginProvider &&
info.Login.ProviderKey == x.ProviderKey))
{
await _userStore.AddLoginAsync(user, info.Login);
}
}
public async Task<ActionResult> Register(RegisterViewModel model)
{
if (ModelState.IsValid)
{
var user = new AppMember { UserName = model.Email, Email = model.Email };
var result = await UserManager.CreateAsync(user, model.Password);
if (result.Succeeded)
{
// Comment the following line to prevent log in until the user is confirmed.
await SignInManager.SignInAsync(user, isPersistent:false, rememberBrowser:false);
// For more information on how to enable account confirmation and password reset please visit http://go.microsoft.com/fwlink/?LinkID=320771
// Send an email with this link
string code = await UserManager.GenerateEmailConfirmationTokenAsync(user.Id);
var callbackUrl = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = code }, protocol: Request.Url.Scheme);
await UserManager.SendEmailAsync(user.Id, "Confirm your account", "Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");
var returnUrl = Request.QueryString["ReturnUrl"];
return string.IsNullOrEmpty(returnUrl) ? RedirectToAction("Index", "Home") : RedirectToLocal(returnUrl);
}
var message = $"Register failed: {string.Join("; ", result.Errors)}";
StackExchange.Exceptional.ErrorStore.LogException(new Exception(message), null);
// avoid Name x is already taken. errors
var identityResult = new IdentityResult(result.Errors.Where(x => !x.StartsWith("Name ")));
AddErrors(identityResult);
// Show a hint about external providers
ModelState.AddModelError("",
"You might already have registered using " + WebConfigurationManager.AppSettings["AuthenticationProviders"].ReplaceLast(",", " or ") +
". If this is the case, login with one of those to set a password.");
}
// If we got this far, something failed, redisplay form
return View(model);
}
private async Task<string> GenerateLoginSuggestionMessage(AppMember user)
{
var availableLogins = await _userStore.GetLoginsAsync(user);
if (!availableLogins.Any()) return "";
return string.Format("Try logging in using {0}{1}.", availableLogins.Count > 1 ? "one of " : "",
availableLogins.Select(x => x.LoginProvider).Aggregate((x1, x2) => $"{x1}, {x2}"));
}
