io.antmedia.filter.IPFilter Maven / Gradle / Ivy

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Ant Media Server supports RTMP, RTSP, MP4, HLS, WebRTC, Adaptive Streaming, etc.

There is a newer version: 2.10.0

package io.antmedia.filter;

import java.io.IOException;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import io.antmedia.AppSettings;


public class IPFilter extends AbstractFilter {

	protected static Logger log = LoggerFactory.getLogger(IPFilter.class);

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		if (isAllowed(request.getRemoteAddr())) {
			chain.doFilter(request, response);
			return;
		}

		if(((HttpServletRequest)request).getPathInfo().contains("rest/v2/acm")) {
			chain.doFilter(request, response);
			return;
		}
		((HttpServletResponse) response).sendError(HttpServletResponse.SC_FORBIDDEN, "Not allowed IP");
	}

	/**
	 * Test if a remote's IP address is allowed to proceed.
	 *
	 * @param remoteIPAdrress The remote's IP address, as a string
	 * @return true if allowed
	 */
	public boolean isAllowed(final String remoteIPAdrress) {
		AppSettings appSettings = getAppSettings();
		if (appSettings != null) {
			return checkCIDRList(appSettings.getAllowedCIDRList(),remoteIPAdrress);
		}
		// Deny this request
		return false;
	}
}