private async Task <bool> ValidateRequestedScopesAsync(NameValueCollection parameters)
{
var scopeValidator = new ScopeValidator();
var requestedScopes = scopeValidator.ParseScopes(parameters.Get(Constants.TokenRequest.Scope));
if (requestedScopes == null)
{
return(false);
}
if (!scopeValidator.AreScopesAllowed(_validatedRequest.Client, requestedScopes))
{
return(false);
}
if (!scopeValidator.AreScopesValid(requestedScopes, await _scopes.GetScopesAsync()))
{
return(false);
}
_validatedRequest.Scopes = requestedScopes;
_validatedRequest.ValidatedScopes = scopeValidator;
return(true);
}
public async Task <ValidationResult> ValidateClientAsync()
{
Logger.Info("Start client validation");
if (_validatedRequest.ClientId.IsMissing())
{
throw new InvalidOperationException("ClientId is empty. Validate protocol first.");
}
//////////////////////////////////////////////////////////
// check for valid client
//////////////////////////////////////////////////////////
var client = await _clients.FindClientByIdAsync(_validatedRequest.ClientId);
if (client == null || client.Enabled == false)
{
Logger.ErrorFormat("Unknown client or not enabled: {0}", _validatedRequest.ClientId);
return(Invalid(ErrorTypes.User, Constants.AuthorizeErrors.UnauthorizedClient));
}
Logger.InfoFormat("Client found in registry: {0} / {1}", client.ClientId, client.ClientName);
_validatedRequest.Client = client;
//////////////////////////////////////////////////////////
// check if redirect_uri is valid
//////////////////////////////////////////////////////////
if (!_validatedRequest.Client.RedirectUris.Contains(_validatedRequest.RedirectUri))
{
Logger.ErrorFormat("Invalid redirect_uri: {0}", _validatedRequest.RedirectUri);
return(Invalid(ErrorTypes.User, Constants.AuthorizeErrors.UnauthorizedClient));
}
//////////////////////////////////////////////////////////
// check if flow is allowed for client
//////////////////////////////////////////////////////////
if (_validatedRequest.Flow != _validatedRequest.Client.Flow)
{
Logger.ErrorFormat("Invalid flow for client: {0}", _validatedRequest.Flow);
return(Invalid(ErrorTypes.User, Constants.AuthorizeErrors.UnauthorizedClient));
}
var scopeValidator = new ScopeValidator();
//////////////////////////////////////////////////////////
// check if scopes are valid/supported and check for resource scopes
//////////////////////////////////////////////////////////
if (!scopeValidator.AreScopesValid(_validatedRequest.RequestedScopes, await _scopes.GetScopesAsync()))
{
return(Invalid(ErrorTypes.Client, Constants.AuthorizeErrors.InvalidScope));
}
if (scopeValidator.ContainsOpenIdScopes && !_validatedRequest.IsOpenIdRequest)
{
Logger.Error("Identity related scope requests, but no openid scope");
return(Invalid(ErrorTypes.Client, Constants.AuthorizeErrors.InvalidScope));
}
if (scopeValidator.ContainsResourceScopes)
{
_validatedRequest.IsResourceRequest = true;
}
//////////////////////////////////////////////////////////
// check scopes and scope restrictions
//////////////////////////////////////////////////////////
if (!scopeValidator.AreScopesAllowed(_validatedRequest.Client, _validatedRequest.RequestedScopes))
{
return(Invalid(ErrorTypes.User, Constants.AuthorizeErrors.UnauthorizedClient));
}
_validatedRequest.ValidatedScopes = scopeValidator;
//////////////////////////////////////////////////////////
// check id vs resource scopes and response types plausability
//////////////////////////////////////////////////////////
if (!scopeValidator.IsResponseTypeValid(_validatedRequest.ResponseType))
{
return(Invalid(ErrorTypes.Client, Constants.AuthorizeErrors.InvalidScope));
}
var customResult = await _customValidator.ValidateAuthorizeRequestAsync(_validatedRequest);
if (customResult.IsError)
{
Logger.Error("Error in custom validation: " + customResult.Error);
}
Logger.Info("Client validation successful");
return(customResult);
}
