
icu.easyj.web.cors.CorsWebMvcConfigurer Maven / Gradle / Ivy
/*
* Copyright 2021-2024 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 icu.easyj.web.cors;
import java.lang.reflect.InvocationTargetException;
import icu.easyj.core.util.ArrayUtils;
import icu.easyj.core.util.ReflectionUtils;
import icu.easyj.core.util.StringUtils;
import icu.easyj.web.spring.WebMvcConfigurerAdapter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.config.annotation.CorsRegistration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
/**
* 跨域请求过滤器
*
* @author wangliang181230
* @since 0.6.5
*/
public class CorsWebMvcConfigurer implements WebMvcConfigurerAdapter {
private static final Logger LOGGER = LoggerFactory.getLogger(CorsWebMvcConfigurer.class);
private final CorsProperties properties;
public CorsWebMvcConfigurer(CorsProperties properties) {
this.properties = properties;
}
/**
* 允许跨域请求
*
* @param registry 跨域注册器
*/
@Override
public void addCorsMappings(CorsRegistry registry) {
if (!properties.isEnabled() || StringUtils.isBlank(properties.getMapping())) {
return;
}
CorsRegistration registration = registry.addMapping(properties.getMapping());
if (properties.getAllowCredentials() != null) {
registration.allowCredentials(properties.getAllowCredentials());
}
if (ArrayUtils.isNotEmpty(properties.getAllowedOrigins())) {
registration.allowedOrigins(properties.getAllowedOrigins());
}
if (ArrayUtils.isNotEmpty(properties.getAllowedOriginPatterns())) {
try {
ReflectionUtils.invokeMethod(registration, "allowedOriginPatterns", new Class[]{String[].class}, properties.getAllowedOriginPatterns());
} catch (NoSuchMethodException e) {
LOGGER.warn("Spring版本太低,方法 'CorsRegistration.allowedOriginPatterns(String[])' 不存在,allowedOriginPatterns配置无效。");
} catch (InvocationTargetException e) {
throw new RuntimeException("调用 'allowedOriginPatterns' 方法失败", e);
}
}
if (ArrayUtils.isNotEmpty(properties.getAllowedMethods())) {
registration.allowedMethods(properties.getAllowedMethods());
}
if (ArrayUtils.isNotEmpty(properties.getAllowedHeaders())) {
registration.allowedMethods(properties.getAllowedHeaders());
}
if (properties.getMaxAge() > 0) {
registration.maxAge(properties.getMaxAge());
}
}
}
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