public SimpleMembershipInitializer()
{
Database.SetInitializer<UsersContext>(null);
try
{
using (var context = new UsersContext())
{
if (!context.Database.Exists())
{
// 创建不包含 Entity Framework 迁移架构的 SimpleMembership 数据库
((IObjectContextAdapter)context).ObjectContext.CreateDatabase();
}
}
WebSecurity.InitializeDatabaseConnection("OB", "User", "Id", "Name", autoCreateTables: true);
}
catch (Exception ex)
{
throw new InvalidOperationException("无法初始化 ASP.NET Simple Membership 数据库。有关详细信息，请参阅 http://go.microsoft.com/fwlink/?LinkId=256588", ex);
}
}
public ActionResult ExternalLoginConfirmation(RegisterExternalLoginModel model, string returnUrl)
{
string provider = null;
string providerUserId = null;
if (User.Identity.IsAuthenticated || !OAuthWebSecurity.TryDeserializeProviderUserId(model.ExternalLoginData, out provider, out providerUserId))
{
return RedirectToAction("Manage");
}
if (ModelState.IsValid)
{
// 将新用户插入到数据库
using (UsersContext db = new UsersContext())
{
User user = db.User.FirstOrDefault(u => u.Name.ToLower() == model.UserName.ToLower());
// 检查用户是否已存在
if (user == null)
{
// 将名称插入到配置文件表
db.User.Add(new User { Name = model.UserName });
db.SaveChanges();
OAuthWebSecurity.CreateOrUpdateAccount(provider, providerUserId, model.UserName);
OAuthWebSecurity.Login(provider, providerUserId, createPersistentCookie: false);
return RedirectToLocal(returnUrl);
}
else
{
ModelState.AddModelError("UserName", "用户名已存在。请输入其他用户名。");
}
}
}
ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(provider).DisplayName;
ViewBag.ReturnUrl = returnUrl;
return View(model);
}