/*
 * Copyright 2016 LY Corporation
 *
 * LY Corporation licenses this file to you 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 com.linecorp.sample.login.infra.utils;

import java.security.SecureRandom;
import java.util.Base64;

/**
 * <p>Common utilities</p>
 */
public final class CommonUtils {

    private static final SecureRandom RANDOM = new SecureRandom();

    private CommonUtils() { };

    /**
     * <p>Generate Token</p>
     */
    public static String getToken() {
        byte[] bytes = new byte[32];
        RANDOM.nextBytes(bytes);
        String token = Base64.getUrlEncoder().withoutPadding().encodeToString(bytes);
        return token;
    }
}
