/*
 * Copyright 2012-2023 the original author or authors.
 *
 * 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
 *
 *      https://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 smoketest.tomcat.service;

import smoketest.tomcat.util.RandomStringUtil;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

@Component
public class HttpHeaderService {

	@Value("${server.tomcat.max-http-response-header-size}")
	private int maxHttpResponseHeaderSize;

	/**
	 * Generates random data. The data is:
	 * <ol>
	 * <li>is longer than configured
	 * <code>server.tomcat.max-http-response-header-size</code></li>
	 * <li>is url encoded by base 64 encode the random value</li>
	 * </ol>
	 * @return a base64 encoded string of random bytes
	 */
	public String getHeaderValue() {
		return RandomStringUtil.getRandomBase64EncodedString(this.maxHttpResponseHeaderSize + 1);
	}

}
