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/*
* Copyright 2018 - 2021 Anton Tananaev (anton@traccar.org)
* Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
*
* 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 java.sql.SQLException;
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.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.traccar.Context;
import org.traccar.Main;
import org.traccar.api.resource.SessionResource;
import org.traccar.database.StatisticsManager;
import org.traccar.helper.Log;
import org.traccar.model.Device;
public class MediaFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
HttpServletResponse httpResponse = (HttpServletResponse) response;
try {
HttpSession session = ((HttpServletRequest) request).getSession(false);
Long userId = null;
if (session != null) {
userId = (Long) session.getAttribute(SessionResource.USER_ID_KEY);
if (userId != null) {
Context.getPermissionsManager().checkUserEnabled(userId);
Main.getInjector().getInstance(StatisticsManager.class).registerRequest(userId);
}
}
if (userId == null) {
httpResponse.sendError(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
String path = ((HttpServletRequest) request).getPathInfo();
String[] parts = path != null ? path.split("/") : null;
if (parts != null && parts.length >= 2) {
Device device = Context.getDeviceManager().getByUniqueId(parts[1]);
if (device != null) {
Context.getPermissionsManager().checkDevice(userId, device.getId());
chain.doFilter(request, response);
return;
}
}
httpResponse.sendError(HttpServletResponse.SC_FORBIDDEN);
} catch (SecurityException e) {
httpResponse.setStatus(HttpServletResponse.SC_FORBIDDEN);
httpResponse.getWriter().println(Log.exceptionStack(e));
} catch (SQLException e) {
httpResponse.setStatus(HttpServletResponse.SC_BAD_REQUEST);
httpResponse.getWriter().println(Log.exceptionStack(e));
}
}
@Override
public void destroy() {
}
}
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