public async Task<IEndpointResult> CreateLoginResultAsync(ValidatedAuthorizeRequest request)
{
var signin = new SignInRequest();
// let the login page know the client requesting authorization
signin.ClientId = request.ClientId;
// pass through display mode to signin service
if (request.DisplayMode.IsPresent())
{
signin.DisplayMode = request.DisplayMode;
}
// pass through ui locales to signin service
if (request.UiLocales.IsPresent())
{
signin.UiLocales = request.UiLocales;
}
// pass through login_hint
if (request.LoginHint.IsPresent())
{
signin.LoginHint = request.LoginHint;
}
// look for well-known acr value -- idp
var idp = request.GetIdP();
if (idp.IsPresent())
{
signin.IdP = idp;
}
// look for well-known acr value -- tenant
var tenant = request.GetTenant();
if (tenant.IsPresent())
{
signin.Tenant = tenant;
}
// process acr values
var acrValues = request.GetAcrValues();
if (acrValues.Any())
{
signin.AcrValues = acrValues;
}
var message = new Message<SignInRequest>(signin)
{
ResponseUrl = _context.GetIdentityServerBaseUrl().EnsureTrailingSlash() + Constants.RoutePaths.Oidc.AuthorizeAfterLogin,
AuthorizeRequestParameters = request.Raw.ToDictionary()
};
await _signInRequestStore.WriteAsync(message);
return new LoginPageResult(message.Id);
}
// postpone
//private Func<string> LogEvent(string message)
//{
// return () =>
// {
// var validationLog = new TokenRequestValidationLog(_validatedRequest);
// var json = LogSerializer.Serialize(validationLog);
// return string.Format("{0}\n {1}", message, json);
// };
//}
private async Task RaiseSuccessfulResourceOwnerAuthenticationEventAsync(string userName, string subjectId, SignInRequest signInRequest)
{
await _events.RaiseSuccessfulResourceOwnerFlowAuthenticationEventAsync(userName, subjectId, signInRequest);
}
private async Task RaiseFailedResourceOwnerAuthenticationEventAsync(string userName, SignInRequest signInRequest, string error)
{
await _events.RaiseFailedResourceOwnerFlowAuthenticationEventAsync(userName, signInRequest, error);
}
private async Task<TokenRequestValidationResult> ValidateResourceOwnerCredentialRequestAsync(NameValueCollection parameters)
{
_logger.LogInformation("Start password token request validation");
// if we've disabled local authentication, then fail
if (_options.AuthenticationOptions.EnableLocalLogin == false ||
_validatedRequest.Client.EnableLocalLogin == false)
{
LogError("EnableLocalLogin is disabled, failing with UnsupportedGrantType");
return Invalid(Constants.TokenErrors.UnsupportedGrantType);
}
/////////////////////////////////////////////
// check if client is authorized for grant type
/////////////////////////////////////////////
if (_validatedRequest.Client.Flow != Flows.ResourceOwner)
{
LogError("Client not authorized for resource owner flow");
return Invalid(Constants.TokenErrors.UnauthorizedClient);
}
/////////////////////////////////////////////
// check if client is allowed to request scopes
/////////////////////////////////////////////
if (!(await ValidateRequestedScopesAsync(parameters)))
{
LogError("Invalid scopes.");
return Invalid(Constants.TokenErrors.InvalidScope);
}
/////////////////////////////////////////////
// check resource owner credentials
/////////////////////////////////////////////
var userName = parameters.Get(Constants.TokenRequest.UserName);
var password = parameters.Get(Constants.TokenRequest.Password);
if (userName.IsMissing() || password.IsMissing())
{
LogError("Username or password missing.");
return Invalid(Constants.TokenErrors.InvalidGrant);
}
if (userName.Length > _options.InputLengthRestrictions.UserName ||
password.Length > _options.InputLengthRestrictions.Password)
{
LogError("Username or password too long.");
return Invalid(Constants.TokenErrors.InvalidGrant);
}
_validatedRequest.UserName = userName;
/////////////////////////////////////////////
// check optional parameters and populate SignInMessage
/////////////////////////////////////////////
var signInMessage = new SignInRequest();
// pass through client_id
signInMessage.ClientId = _validatedRequest.Client.ClientId;
// process acr values
var acr = parameters.Get(Constants.AuthorizeRequest.AcrValues);
if (acr.IsPresent())
{
if (acr.Length > _options.InputLengthRestrictions.AcrValues)
{
LogError("Acr values too long.");
return Invalid(Constants.TokenErrors.InvalidRequest);
}
var acrValues = acr.FromSpaceSeparatedString().Distinct().ToList();
// look for well-known acr value -- idp
var idp = acrValues.FirstOrDefault(x => x.StartsWith(Constants.KnownAcrValues.HomeRealm));
if (idp.IsPresent())
{
signInMessage.IdP = idp.Substring(Constants.KnownAcrValues.HomeRealm.Length);
acrValues.Remove(idp);
}
// look for well-known acr value -- tenant
var tenant = acrValues.FirstOrDefault(x => x.StartsWith(Constants.KnownAcrValues.Tenant));
if (tenant.IsPresent())
{
signInMessage.Tenant = tenant.Substring(Constants.KnownAcrValues.Tenant.Length);
acrValues.Remove(tenant);
}
// pass through any remaining acr values
if (acrValues.Any())
{
signInMessage.AcrValues = acrValues;
}
}
_validatedRequest.SignInMessage = signInMessage;
/////////////////////////////////////////////
// authenticate user
/////////////////////////////////////////////
var authenticationContext = new LocalAuthenticationContext
{
UserName = userName,
Password = password,
SignInRequest = signInMessage
};
await _users.AuthenticateLocalAsync(authenticationContext);
var authnResult = authenticationContext.AuthenticateResult;
if (authnResult == null || authnResult.IsError || authnResult.IsPartialSignIn)
{
var error = "invalid_username_or_password";
if (authnResult != null && authnResult.IsError)
{
error = authnResult.ErrorMessage;
}
if (authnResult != null && authnResult.IsPartialSignIn)
{
error = "Partial signin returned from AuthenticateLocalAsync";
}
LogError("User authentication failed: " + error);
await RaiseFailedResourceOwnerAuthenticationEventAsync(userName, signInMessage, error);
if (authnResult != null)
{
return Invalid(Constants.TokenErrors.InvalidGrant, authnResult.ErrorMessage);
}
return Invalid(Constants.TokenErrors.InvalidGrant);
}
_validatedRequest.UserName = userName;
_validatedRequest.Subject = authnResult.User;
await RaiseSuccessfulResourceOwnerAuthenticationEventAsync(userName, authnResult.User.GetSubjectId(), signInMessage);
_logger.LogInformation("Password token request validation success.");
return Valid();
}