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package kr.xit.core.spring.filter;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.stream.Collectors;
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import javax.servlet.Filter;
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import javax.servlet.FilterChain;
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import javax.servlet.FilterConfig;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRequest;
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import javax.servlet.ServletResponse;
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import javax.servlet.http.HttpServletResponse;
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import kr.xit.core.spring.config.properties.CorsProperties;
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import kr.xit.core.spring.util.CoreSpringUtils;
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import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
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/**
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* <pre>
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* description : Cors filter
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* {@code @Override} {@link WebMvcConfigurer#addCorsMappings}
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* packageName : kr.xit.core.spring.filter
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* fileName : SimpleCORSFilter
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* author : julim
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* date : 2023-04-28
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* ======================================================================
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* 변경일 변경자 변경 내용
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* ----------------------------------------------------------------------
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* 2023-04-28 julim 최초 생성
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*
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* </pre>
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*/
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@Deprecated
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public class SimpleCORSFilter implements Filter {
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@Override
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public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
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throws IOException, ServletException {
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CorsProperties corsProperties = CoreSpringUtils.getCorsProperties();
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HttpServletResponse httpResponse = (HttpServletResponse) response;
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httpResponse.setHeader("Access-Control-Allow-Origins", toArrayString(corsProperties.getAllowedOrigins()));
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httpResponse.setHeader("Access-Control-Allow-Methods", toArrayString(corsProperties.getAllowedMethods()));
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httpResponse.setHeader("Access-Control-Allow-Headers", toArrayString(corsProperties.getAllowedHeaders()));
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httpResponse.setHeader("Access-Control-Allow-Credentials", corsProperties.getAllowCredentials().toString());
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httpResponse.setHeader("Access-Control-Max-Age", corsProperties.getMaxAge().toString());
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httpResponse.setHeader("Access-Control-Expose-Headers", corsProperties.getExposeHeader());
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chain.doFilter(request, response);
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}
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@Override
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public void init(FilterConfig filterConfig) {
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// Do nothing
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}
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@Override
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public void destroy() {
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// Do nothing
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}
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private String toArrayString(String[] arrStr){
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return Arrays.stream(arrStr)
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.map(s -> s.trim())
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.collect(Collectors.joining(","));
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}
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}
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