private DeviceAuthorizationRequestValidationResult ValidateClient(ValidatedDeviceAuthorizationRequest request, ClientSecretValidationResult clientValidationResult)
{
//////////////////////////////////////////////////////////
// set client & secret
//////////////////////////////////////////////////////////
if (clientValidationResult == null)
{
throw new ArgumentNullException(nameof(clientValidationResult));
}
request.SetClient(clientValidationResult.Client, clientValidationResult.Secret);
//////////////////////////////////////////////////////////
// check if client protocol type is oidc
//////////////////////////////////////////////////////////
if (request.Client.ProtocolType != IdentityServerConstants.ProtocolTypes.OpenIdConnect)
{
LogError("Invalid protocol type for OIDC authorize endpoint", request.Client.ProtocolType, request);
return(Invalid(request, OidcConstants.AuthorizeErrors.UnauthorizedClient, "Invalid protocol"));
}
//////////////////////////////////////////////////////////
// check if client allows device flow
//////////////////////////////////////////////////////////
if (!request.Client.AllowedGrantTypes.Contains(GrantType.DeviceFlow))
{
LogError("Client not configured for device flow", GrantType.DeviceFlow, request);
return(Invalid(request, OidcConstants.AuthorizeErrors.UnauthorizedClient));
}
return(Valid(request));
}
private void LogError(string message, string detail, ValidatedDeviceAuthorizationRequest request)
{
var requestDetails = new DeviceAuthorizationRequestValidationLog(request);
_logger.LogError(message + ": {detail}\n{requestDetails}", detail, requestDetails);
}
private DeviceAuthorizationRequestValidationResult Valid(ValidatedDeviceAuthorizationRequest request)
{
return(new DeviceAuthorizationRequestValidationResult(request));
}
private DeviceAuthorizationRequestValidationResult Invalid(ValidatedDeviceAuthorizationRequest request, string error = OidcConstants.AuthorizeErrors.InvalidRequest, string description = null)
{
return(new DeviceAuthorizationRequestValidationResult(request, error, description));
}
private async Task <DeviceAuthorizationRequestValidationResult> ValidateScopeAsync(ValidatedDeviceAuthorizationRequest request)
{
//////////////////////////////////////////////////////////
// scope must be present
//////////////////////////////////////////////////////////
var scope = request.Raw.Get(OidcConstants.AuthorizeRequest.Scope);
if (scope.IsMissing())
{
_logger.LogTrace("Client provided no scopes - checking allowed scopes list");
if (!request.Client.AllowedScopes.IsNullOrEmpty())
{
var clientAllowedScopes = new List <string>(request.Client.AllowedScopes);
if (request.Client.AllowOfflineAccess)
{
clientAllowedScopes.Add(IdentityServerConstants.StandardScopes.OfflineAccess);
}
scope = clientAllowedScopes.ToSpaceSeparatedString();
_logger.LogTrace("Defaulting to: {scopes}", scope);
}
else
{
LogError("No allowed scopes configured for client", request);
return(Invalid(request, OidcConstants.AuthorizeErrors.InvalidScope));
}
}
if (scope.Length > _options.InputLengthRestrictions.Scope)
{
LogError("scopes too long.", request);
return(Invalid(request, description: "Invalid scope"));
}
request.RequestedScopes = scope.FromSpaceSeparatedString().Distinct().ToList();
if (request.RequestedScopes.Contains(IdentityServerConstants.StandardScopes.OpenId))
{
request.IsOpenIdRequest = true;
}
//////////////////////////////////////////////////////////
// check if scopes are valid/supported
//////////////////////////////////////////////////////////
var validatedResources = await _resourceValidator.ValidateRequestedResourcesAsync(new ResourceValidationRequest {
Client = request.Client,
Scopes = request.RequestedScopes
});
if (!validatedResources.Succeeded)
{
if (validatedResources.InvalidScopes.Count > 0)
{
return(Invalid(request, OidcConstants.AuthorizeErrors.InvalidScope));
}
return(Invalid(request, OidcConstants.AuthorizeErrors.UnauthorizedClient, "Invalid scope"));
}
if (validatedResources.Resources.IdentityResources.Any() && !request.IsOpenIdRequest)
{
LogError("Identity related scope requests, but no openid scope", request);
return(Invalid(request, OidcConstants.AuthorizeErrors.InvalidScope));
}
request.ValidatedResources = validatedResources;
return(Valid(request));
}