/**
 * Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
 * <p>
 * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.gnu.org/licenses/lgpl.html
 * <p>
 * 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 org.springblade.core.tool.config;

import lombok.AllArgsConstructor;
import org.springblade.core.tool.support.xss.XssFilter;
import org.springblade.core.tool.support.xss.XssProperties;
import org.springblade.core.tool.support.xss.XssUrlProperties;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;

import javax.servlet.DispatcherType;

/**
 * Xss配置类
 *
 * @author Chill
 */
@Configuration
@AllArgsConstructor
@ConditionalOnProperty(value = "blade.xss.enabled", havingValue = "true")
@EnableConfigurationProperties({XssProperties.class, XssUrlProperties.class})
public class XssConfiguration {

	private final XssProperties xssProperties;
	private final XssUrlProperties xssUrlProperties;

	/**
	 * 防XSS注入
	 */
	@Bean
	public FilterRegistrationBean<XssFilter> xssFilterRegistration() {
		FilterRegistrationBean<XssFilter> registration = new FilterRegistrationBean<>();
		registration.setDispatcherTypes(DispatcherType.REQUEST);
		registration.setFilter(new XssFilter(xssProperties, xssUrlProperties));
		registration.addUrlPatterns("/*");
		registration.setName("xssFilter");
		registration.setOrder(Ordered.LOWEST_PRECEDENCE);
		return registration;
	}
}
