public async Task <IActionResult> OnGetLinkLoginCallbackAsync()
{
var user = await _userManager.GetUserAsync();
if (user == null)
{
return(NotFound("用户不存在！"));
}
var info = await _userManager.SignInManager.GetExternalLoginInfoAsync(user.Id.ToString());
if (info == null)
{
throw new InvalidOperationException("载入社会化登录失败！");
}
var result = await _userManager.AddLoginAsync(user, info);
if (!result.Succeeded)
{
throw new InvalidOperationException("添加社会化登录失败！");
}
// Clear the existing external cookie to ensure a clean login process
await HttpContext.SignOutAsync(IdentityConstants.ExternalScheme);
return(RedirectToSuccessPage($"已经成功绑定了{info.ProviderDisplayName}登录方式。"));
}
public async Task <IActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl = null)
{
if (ModelState.IsValid)
{
// Get the information about the user from the external login provider
var info = await _signInManager.GetExternalLoginInfoAsync();
if (info == null)
{
return(View("ExternalLoginFailure"));
}
var user = new User {
UserName = model.Email, Email = model.Email
};
var result = await _userManager.CreateAsync(user);
if (result.Succeeded)
{
result = await _userManager.AddLoginAsync(user, info);
if (result.Succeeded)
{
await _signInManager.SignInAsync(user, isPersistent : false);
_logger.LogInformation(6, "User created an account using {Name} provider.", info.LoginProvider);
return(RedirectToLocal(returnUrl));
}
}
AddErrors(result);
}
ViewData["ReturnUrl"] = returnUrl;
return(View(model));
}
//
// GET: /Account/LinkLoginCallback
public virtual async Task <ActionResult> LinkLoginCallback()
{
var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync(XsrfKey, User.Identity.GetUserId());
if (loginInfo == null)
{
return(RedirectToAction("Manage", new { Message = ManageMessageId.Error }));
}
var result = await UserManager.AddLoginAsync(User.Identity.GetUserId(), loginInfo.Login);
if (result.Succeeded)
{
return(RedirectToAction("Manage"));
}
return(RedirectToAction("Manage", new { Message = ManageMessageId.Error }));
}
public async Task <IActionResult> OnPostConfirmationAsync(string returnUrl = null)
{
returnUrl = returnUrl ?? Url.Content("~/");
// Get the information about the user from the external login provider
var info = await _userManager.SignInManager.GetExternalLoginInfoAsync();
if (info == null)
{
ErrorMessage = "确认社会化登录失败！";
return(RedirectToPage("./Login", new { ReturnUrl = returnUrl }));
}
if (ModelState.IsValid)
{
var user = new User();
user.UserName = Input.UserName;
user.NormalizedUserName = _userManager.NormalizeKey(Input.LoginName);
user.Email = Input.Email;
var result = await _userManager.CreateAsync(user);
if (result.Succeeded)
{
result = await _userManager.AddLoginAsync(user, info);
if (result.Succeeded)
{
await _userManager.SignInManager.SignInAsync(user, isPersistent : false);
Logger.LogInformation("用户通过 {Name} 新注册了一个用户。", info.LoginProvider);
return(LocalRedirect(returnUrl));
}
}
foreach (var error in result.Errors)
{
ModelState.AddModelError(string.Empty, error.Description);
}
}
ProviderDisplayName = info.ProviderDisplayName;
ReturnUrl = returnUrl;
return(Page());
}
public async Task <ActionResult> LinkLoginCallback()
{
var user = await GetCurrentUserAsync();
if (user == null)
{
return(View("Error"));
}
var info = await _signInManager.GetExternalLoginInfoAsync(await _userManager.GetUserIdAsync(user));
if (info == null)
{
return(RedirectToAction(nameof(ManageLogins), new { Message = ManageMessageId.Error }));
}
var result = await _userManager.AddLoginAsync(user, info);
var message = result.Succeeded ? ManageMessageId.AddLoginSuccess : ManageMessageId.Error;
return(RedirectToAction(nameof(ManageLogins), new { Message = message }));
}
public async Task <User> GetUserToLogin(ExternalLoginInfo loginInfo)
{
var user = await _userManager.FindAsync(loginInfo.Login);
if (user != null)
{
return(user);
}
user = await _userManager.FindByNameAsync(loginInfo.Email);
if (user == null)
{
user = new User {
Email = loginInfo.Email, IsActive = true
};
await _userManager.CreateAsync(user);
}
await _userManager.AddLoginAsync(user.Id, loginInfo.Login);
return(user);
}
public async Task <ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl)
{
if (User.Identity.IsAuthenticated)
{
return(RedirectToAction("Index", "Manage"));
}
if (ModelState.IsValid)
{
// Get the information about the user from the external login provider
var info = await AuthenticationManager.GetExternalLoginInfoAsync();
if (info == null)
{
return(View("ExternalLoginFailure"));
}
var user = new ApplicationUser {
UserName = model.Email, Email = model.Email
};
var result = await UserManager.CreateAsync(user);
if (result.Succeeded)
{
result = await UserManager.AddLoginAsync(user.Id, info.Login);
if (result.Succeeded)
{
await SignInManager.SignInAsync(user, isPersistent : false, rememberBrowser : false);
return(RedirectToLocal(returnUrl));
}
}
AddErrors(result);
}
ViewBag.ReturnUrl = returnUrl;
return(View(model));
}
