/**
 *  Copyright © 2025, Luis Andrés Lange <https://javacomm.net>
 *
 *  Previously released under Apache License 2.0; now licensed under MPL 2.0.
 *
 *  This Source Code Form is subject to the terms of the Mozilla Public
 *  License, v. 2.0. If a copy of the MPL was not distributed with this
 *  file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 *  ----------------------------------------------------------------------------
 *
 *  Exhibit B - "Incompatible With Secondary Licenses" Notice
 *
 *  This Source Code Form is "Incompatible With Secondary Licenses",
 *  as defined by the Mozilla Public License, v. 2.0.
 *
 *  In short:
 *  - This file may be used, modified, and distributed under MPL 2.0 only.
 *  - It may NOT be relicensed under GPL, LGPL, AGPL, or any other Secondary License.
 *
 *  Rationale:
 *  - Ensures that the code remains MPL-2.0.
 *  - Avoids legal conflicts with GPL-licensed libraries (e.g., VideoLAN).
 *  - Maximizes usability for commercial and security-critical applications.
 *
 */
package net.javacomm.restserver;

import jakarta.ws.rs.container.ContainerRequestContext;
import jakarta.ws.rs.container.ContainerResponseContext;
import jakarta.ws.rs.container.ContainerResponseFilter;
import jakarta.ws.rs.core.MultivaluedMap;
import jakarta.ws.rs.ext.Provider;
import java.io.IOException;



@Provider
public class CorsFilter implements ContainerResponseFilter {

  @Override
  public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext)
      throws IOException {

    MultivaluedMap<String, Object> headers = responseContext.getHeaders();

    // muss * beliebig sein, wegen Desktopanforderung; Anmeldung und Passwortanfrage
    headers.add("Access-Control-Allow-Origin", "*");
    headers.add("Access-Control-Allow-Methods", "PUT");
  }

}
