jdisc-security-filters/src/main/java/com/yahoo/jdisc/http/filter/security/misc/SecurityHeadersResponseFilter.java


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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.filter.security.misc;

import com.yahoo.jdisc.http.filter.DiscFilterResponse;
import com.yahoo.jdisc.http.filter.RequestView;
import com.yahoo.jdisc.http.filter.SecurityResponseFilter;

/**
 * Adds recommended security response headers intended for hardening Rest APIs over https.
 *
 * @author bjorncs
 */
public class SecurityHeadersResponseFilter implements SecurityResponseFilter {

    @Override
    public void filter(DiscFilterResponse response, RequestView request) {
        response.setHeader("Cache-control", "no-store");
        response.setHeader("Pragma", "no-cache");
        response.setHeader("Strict-Transport-Security", "max-age=31536000; includeSubDomains");
        response.setHeader("X-Content-Type-Options", "nosniff");
        response.setHeader("X-Frame-Options", "DENY");
        response.setHeader("Referrer-Policy", "strict-origin-when-cross-origin");
    }
}