public async Task <IActionResult> ExternalLoginCallback(string returnUrl = null)
{
var info = await this.GetExternalLoginInfoAsync();
if (info == null)
{
return(await this.ShowExternalSignInErrorAsync(OAuthSignInError.InvalidRequest));
}
if (info.ProviderDisplayName.IsNullOrWhiteSpace()) //微软BUG？没有带出 DisplayName
{
var schemas = await this.SignInManager.GetExternalAuthenticationSchemesAsync();
var p = schemas.FirstOrDefault(s => s.Name.CaseInsensitiveEquals(info.LoginProvider));
info.ProviderDisplayName = p?.DisplayName;
}
Microsoft.AspNetCore.Identity.SignInResult result = await ExternalLoginSignInAsync(info);
if (result.Succeeded)
{
return(this.RedirectToLocal(returnUrl));
}
if (result.IsLockedOut)
{
return(await this.ShowExternalSignInErrorAsync(OAuthSignInError.UserLockedOut));
}
else if (result.IsNotAllowed)
{
return(await this.ShowExternalSignInErrorAsync(OAuthSignInError.NotAllowed));
}
else
{
var loginModel =
new OAuthSignedInModel
{
LoginProvider = info.LoginProvider,
ProviderDisplayName = info.ProviderDisplayName,
ProviderKey = info.ProviderKey,
ThirdPartUserName = info.Principal.FindFirst(ClaimTypes.Name)?.Value
};
await this.SignInManager.SignOutAsync();
return(await this.ShowBindExternalAccountAsync(loginModel));
}
}
/// <summary> /// 表示返回对第三方账号进行绑定的错操的结果。 /// </summary> /// <param name="model"></param> /// <returns></returns> protected abstract Task <IActionResult> ShowBindExternalAccountAsync(OAuthSignedInModel model);
