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| | |
| | | /* |
| | | * Copyright (c) 2018-2028, DreamLu All rights reserved. |
| | | * |
| | | * Redistribution and use in source and binary forms, with or without |
| | | * modification, are permitted provided that the following conditions are met: |
| | | * |
| | | * Redistributions of source code must retain the above copyright notice, |
| | | * this list of conditions and the following disclaimer. |
| | | * Redistributions in binary form must reproduce the above copyright |
| | | * notice, this list of conditions and the following disclaimer in the |
| | | * documentation and/or other materials provided with the distribution. |
| | | * Neither the name of the dreamlu.net developer nor the names of its |
| | | * contributors may be used to endorse or promote products derived from |
| | | * this software without specific prior written permission. |
| | | * Author: DreamLu 墿¥æ¢¦ (596392912@qq.com) |
| | | */ |
| | | package org.springblade.core.context; |
| | | |
| | | import lombok.RequiredArgsConstructor; |
| | | import org.springblade.core.context.props.BladeContextProperties; |
| | | import org.springblade.core.tool.utils.StringUtil; |
| | | import org.springblade.core.tool.utils.WebUtil; |
| | | import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication; |
| | | import org.springframework.http.HttpHeaders; |
| | | import org.springframework.lang.Nullable; |
| | | |
| | | import javax.servlet.http.HttpServletRequest; |
| | | import java.util.Enumeration; |
| | | import java.util.List; |
| | | |
| | | /** |
| | | * HttpHeaders è·åå¨ |
| | | * |
| | | * @author L.cm |
| | | */ |
| | | @RequiredArgsConstructor |
| | | @ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET) |
| | | public class ServletHttpHeadersGetter implements BladeHttpHeadersGetter { |
| | | private final BladeContextProperties properties; |
| | | |
| | | @Nullable |
| | | @Override |
| | | public HttpHeaders get() { |
| | | HttpServletRequest request = WebUtil.getRequest(); |
| | | if (request == null) { |
| | | return null; |
| | | } |
| | | return get(request); |
| | | } |
| | | |
| | | @Nullable |
| | | @Override |
| | | public HttpHeaders get(HttpServletRequest request) { |
| | | HttpHeaders headers = new HttpHeaders(); |
| | | List<String> crossHeaders = properties.getCrossHeaders(); |
| | | // ä¼ é请æ±å¤´ |
| | | Enumeration<String> headerNames = request.getHeaderNames(); |
| | | if (headerNames != null) { |
| | | List<String> allowed = properties.getHeaders().getAllowed(); |
| | | while (headerNames.hasMoreElements()) { |
| | | String key = headerNames.nextElement(); |
| | | // åªæ¯æé
ç½®ç header |
| | | if (crossHeaders.contains(key) || allowed.contains(key)) { |
| | | String values = request.getHeader(key); |
| | | // header value ä¸ä¸ºç©ºç ä¼ é |
| | | if (StringUtil.isNotBlank(values)) { |
| | | headers.add(key, values); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | return headers; |
| | | } |
| | | |
| | | } |