package com.qianwen.core.context;

import java.util.Enumeration;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import com.qianwen.core.context.props.BladeContextProperties;
import com.qianwen.core.tool.utils.StringUtil;
import com.qianwen.core.tool.utils.WebUtil;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.http.HttpHeaders;
import org.springframework.lang.Nullable;

@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
/* loaded from: blade-core-context-9.3.0.0-SNAPSHOT.jar:org/springblade/core/context/ServletHttpHeadersGetter.class */
public class ServletHttpHeadersGetter implements BladeHttpHeadersGetter {
    private final BladeContextProperties properties;

    public ServletHttpHeadersGetter(final BladeContextProperties properties) {
        this.properties = properties;
    }

    @Override
    @Nullable
    public HttpHeaders get() {
        HttpServletRequest request = WebUtil.getRequest();
        if (request == null) {
            return null;
        }
        return get(request);
    }

    @Override
    @Nullable
    public HttpHeaders get(HttpServletRequest request) {
        HttpHeaders headers = new HttpHeaders();
        List<String> crossHeaders = this.properties.getCrossHeaders();
        Enumeration<String> headerNames = request.getHeaderNames();
        if (headerNames != null) {
            List<String> allowed = this.properties.getHeaders().getAllowed();
            while (headerNames.hasMoreElements()) {
                String key = headerNames.nextElement();
                if (crossHeaders.contains(key) || allowed.contains(key)) {
                    String values = request.getHeader(key);
                    if (StringUtil.isNotBlank(values)) {
                        headers.add(key, values);
                    }
                }
            }
        }
        return headers;
    }
}