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package org.traccar.helper;
import javax.servlet.http.HttpServletRequest;
public final class ServletHelper {
private ServletHelper() {
}
public static String retrieveRemoteAddress(HttpServletRequest request) {
if (request != null) {
String ipAddress = request.getHeader("X-FORWARDED-FOR");
if (ipAddress != null && !ipAddress.isEmpty()) {
return ipAddress.substring(0, ipAddress.indexOf(",")); //Removes the additional data
} else {
ipAddress = request.getRemoteAddr();
return ipAddress;
}
} else {
return null;
}
}
}
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