public Task ValidateAsync(ResourceOwnerPasswordValidationContext context) { LoginUser loginUser = null; bool isAuthenticated = loginUserService.Authenticate(context.UserName, context.Password, out loginUser); if (!isAuthenticated) { context.Result = new GrantValidationResult(TokenRequestErrors.InvalidGrant, "Invalid client credential"); } else { context.Result = new GrantValidationResult( subject: context.UserName, authenticationMethod: "custom", claims: new Claim[] { new Claim("Name", context.UserName), new Claim("Id", loginUser.Id.ToString()), new Claim("RealName", loginUser.RealName), new Claim("Email", loginUser.Email) } ); } return(Task.CompletedTask); }
public async Task <IActionResult> Login(LoginInputModel model, string button) { // check if we are in the context of an authorization request var context = await _interaction.GetAuthorizationContextAsync(model.ReturnUrl); // the user clicked the "cancel" button if (button != "login") { if (context != null) { // if the user cancels, send a result back into IdentityServer as if they // denied the consent (even if this client does not require consent). // this will send back an access denied OIDC error response to the client. await _interaction.GrantConsentAsync(context, ConsentResponse.Denied); // we can trust model.ReturnUrl since GetAuthorizationContextAsync returned non-null if (await _clientStore.IsPkceClientAsync(context.ClientId)) { // if the client is PKCE then we assume it's native, so this change in how to // return the response is for better UX for the end user. return(View("Redirect", new RedirectViewModel { RedirectUrl = model.ReturnUrl })); } return(Redirect(model.ReturnUrl)); } else { // since we don't have a valid context, then we just go back to the home page return(Redirect("~/")); } } if (ModelState.IsValid) { LoginUser loginUser; // validate username/password against in-memory store if (_users.Authenticate(model.Username, model.Password, out loginUser)) { var user = loginUser; await _events.RaiseAsync(new UserLoginSuccessEvent(user.UserName, user.Id.ToString(), user.UserName)); // only set explicit expiration here if user chooses "remember me". // otherwise we rely upon expiration configured in cookie middleware. AuthenticationProperties props = null; if (AccountOptions.AllowRememberLogin && model.RememberLogin) { props = new AuthenticationProperties { IsPersistent = true, ExpiresUtc = DateTimeOffset.UtcNow.Add(AccountOptions.RememberMeLoginDuration) }; } ; // issue authentication cookie with subject ID and username await HttpContext.SignInAsync(user.Id.ToString(), user.UserName, props); if (context != null) { if (await _clientStore.IsPkceClientAsync(context.ClientId)) { // if the client is PKCE then we assume it's native, so this change in how to // return the response is for better UX for the end user. return(View("Redirect", new RedirectViewModel { RedirectUrl = model.ReturnUrl })); } // we can trust model.ReturnUrl since GetAuthorizationContextAsync returned non-null return(Redirect(model.ReturnUrl)); } // request for a local page if (Url.IsLocalUrl(model.ReturnUrl)) { return(Redirect(model.ReturnUrl)); } else if (string.IsNullOrEmpty(model.ReturnUrl)) { return(Redirect("~/")); } else { // user might have clicked on a malicious link - should be logged throw new Exception("invalid return URL"); } } await _events.RaiseAsync(new UserLoginFailureEvent(model.Username, "invalid credentials")); ModelState.AddModelError("", AccountOptions.InvalidCredentialsErrorMessage); } // something went wrong, show form with error var vm = await BuildLoginViewModelAsync(model); return(View(vm)); }