// Copyright 2022 Paul Greenberg greenpau@outlook.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package validate

import (
	"github.com/greenpau/go-authcrunch/pkg/errors"
	"regexp"
)

var pattern = regexp.MustCompile("^[\\w|\\s]+$")

// AdditionalScopes verifies if the provided additional_scopes argument is valid
func AdditionalScopes(additionalScopes string) error {
	if !pattern.MatchString(additionalScopes) {
		return errors.ErrInvalidAdditionalScopes
	}
	return nil
}
