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/*
* Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.api;
import java.io.IOException;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerResponseContext;
import javax.ws.rs.container.ContainerResponseFilter;
public class CorsResponseFilter implements ContainerResponseFilter {
public static final String ACCESS_CONTROL_ALLOW_ORIGIN_KEY = "Access-Control-Allow-Origin";
public static final String ACCESS_CONTROL_ALLOW_ORIGIN_VALUE = "*";
public static final String ACCESS_CONTROL_ALLOW_HEADERS_KEY = "Access-Control-Allow-Headers";
public static final String ACCESS_CONTROL_ALLOW_HEADERS_VALUE = "origin, content-type, accept, authorization";
public static final String ACCESS_CONTROL_ALLOW_CREDENTIALS_KEY = "Access-Control-Allow-Credentials";
public static final String ACCESS_CONTROL_ALLOW_CREDENTIALS_VALUE = "true";
public static final String ACCESS_CONTROL_ALLOW_METHODS_KEY = "Access-Control-Allow-Methods";
public static final String ACCESS_CONTROL_ALLOW_METHODS_VALUE = "GET, POST, PUT, DELETE";
@Override
public void filter(ContainerRequestContext request, ContainerResponseContext response) throws IOException {
if (!response.getHeaders().containsKey(ACCESS_CONTROL_ALLOW_ORIGIN_KEY)) {
response.getHeaders().add(ACCESS_CONTROL_ALLOW_ORIGIN_KEY, ACCESS_CONTROL_ALLOW_ORIGIN_VALUE);
}
if (!response.getHeaders().containsKey(ACCESS_CONTROL_ALLOW_HEADERS_KEY)) {
response.getHeaders().add(ACCESS_CONTROL_ALLOW_HEADERS_KEY, ACCESS_CONTROL_ALLOW_HEADERS_VALUE);
}
if (!response.getHeaders().containsKey(ACCESS_CONTROL_ALLOW_CREDENTIALS_KEY)) {
response.getHeaders().add(ACCESS_CONTROL_ALLOW_CREDENTIALS_KEY, ACCESS_CONTROL_ALLOW_CREDENTIALS_VALUE);
}
if (!response.getHeaders().containsKey(ACCESS_CONTROL_ALLOW_METHODS_KEY)) {
response.getHeaders().add(ACCESS_CONTROL_ALLOW_METHODS_KEY, ACCESS_CONTROL_ALLOW_METHODS_VALUE);
}
}
}
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