/*******************************************************************************
 * Copyright (c) 2015 IBM Corp.
 *
 * 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 net.wasdev.gameon.map.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletResponse;

@WebFilter(
        filterName = "corsFilter",
        urlPatterns = {"/*"}
          )
public class CORSFilter implements Filter {

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        HttpServletResponse sresponse = (HttpServletResponse) response;
        sresponse.setHeader("Access-Control-Allow-Origin", "*");
        sresponse.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE");
        sresponse.setHeader("Access-Control-Max-Age", "86400");
        sresponse.setHeader("Access-Control-Allow-Credentials", "true");
        chain.doFilter(request, response);
    }

    @Override
    public void init(FilterConfig filterConfig) {
    }

    @Override
    public void destroy() {
    }
}

/*******************************************************************************
 * Copyright (c) 2015 IBM Corp.
 *
 * 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 net.wasdev.gameon.map.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletResponse;

//CORS filter to allow site operations from outside of GameOn! e.g. registering new rooms

@WebFilter(
        filterName = "corsFilter",
        urlPatterns = {"/*"}
          )
public class CORSFilter implements Filter {

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        HttpServletResponse sresponse = (HttpServletResponse) response;
        sresponse.setHeader("Access-Control-Allow-Origin", "*");
        sresponse.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE");
        sresponse.setHeader("Access-Control-Max-Age", "86400");
        sresponse.setHeader("Access-Control-Allow-Credentials", "true");
        sresponse.setHeader("Access-Control-Allow-Headers", "gameon-id,gameon-date,gameon-sig-body,gameon-signature, Content-Type");
        chain.doFilter(request, response);
    }

    @Override
    public void init(FilterConfig filterConfig) {
    }

    @Override
    public void destroy() {
    }
}

Update CORS filter to allow access to sites API from browsers