From 22f792139406e381fdda5a02a61b61a577b33656 Mon Sep 17 00:00:00 2001 From: Abyss777 Date: Thu, 1 Feb 2018 14:12:06 +0500 Subject: Provide access to media files received from devices --- src/org/traccar/api/MediaFilter.java | 104 ++++++++++++++++++++++ src/org/traccar/protocol/Gt06ProtocolDecoder.java | 3 +- src/org/traccar/web/WebServer.java | 18 ++++ 3 files changed, 124 insertions(+), 1 deletion(-) create mode 100644 src/org/traccar/api/MediaFilter.java (limited to 'src') diff --git a/src/org/traccar/api/MediaFilter.java b/src/org/traccar/api/MediaFilter.java new file mode 100644 index 000000000..c07175d40 --- /dev/null +++ b/src/org/traccar/api/MediaFilter.java @@ -0,0 +1,104 @@ +/* + * Copyright 2018 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 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 javax.ws.rs.NotAuthorizedException; + +import org.traccar.Context; +import org.traccar.api.resource.SessionResource; +import org.traccar.helper.Log; +import org.traccar.model.Device; + +public class MediaFilter implements Filter { + + private boolean dirAllowed; + + @Override + public void init(FilterConfig filterConfig) throws ServletException { + dirAllowed = Context.getConfig().getBoolean("media.dirAllowed"); + } + + private static void formatError(HttpServletResponse response, Exception e) throws IOException { + if (e instanceof SecurityException) { + response.setStatus(HttpServletResponse.SC_FORBIDDEN); + } else if (e instanceof IllegalArgumentException) { + response.setStatus(HttpServletResponse.SC_NOT_FOUND); + } else if (e instanceof NotAuthorizedException) { + response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); + } else { + response.setStatus(HttpServletResponse.SC_BAD_REQUEST); + } + response.getWriter().println(Log.exceptionStack(e)); + } + + @Override + public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) + throws IOException, ServletException { + 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); + Context.getStatisticsManager().registerRequest(userId); + } + } + if (userId == null) { + throw new NotAuthorizedException("Not authorized"); + } + + String[] parts = ((HttpServletRequest) request).getPathInfo().split("/"); + if (parts.length < 2) { + if (dirAllowed) { + Context.getPermissionsManager().checkAdmin(userId); + } else { + throw new SecurityException("Wrong path"); + } + } else if (parts.length == 2 && !dirAllowed) { + throw new SecurityException("Wrong path"); + } else { + Device device = Context.getIdentityManager().getByUniqueId(parts[1]); + if (device != null) { + Context.getPermissionsManager().checkDevice(userId, device.getId()); + } else { + throw new IllegalArgumentException("Device not found"); + } + } + + chain.doFilter(request, response); + } catch (Exception e) { + formatError((HttpServletResponse) response, e); + } + } + + @Override + public void destroy() { + } + +} diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java index e11a6580b..4173b4d5b 100644 --- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java +++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java @@ -704,7 +704,8 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder { sendPhotoRequest(channel, pictureId); } else { Device device = Context.getDeviceManager().getById(deviceSession.getDeviceId()); - Context.getMediaManager().writeFile(device.getUniqueId(), photo, "jpg"); + position.set( + Position.KEY_IMAGE, Context.getMediaManager().writeFile(device.getUniqueId(), photo, "jpg")); photos.remove(pictureId); } diff --git a/src/org/traccar/web/WebServer.java b/src/org/traccar/web/WebServer.java index e145ff554..8b0696081 100644 --- a/src/org/traccar/web/WebServer.java +++ b/src/org/traccar/web/WebServer.java @@ -25,6 +25,7 @@ import org.eclipse.jetty.server.handler.ErrorHandler; import org.eclipse.jetty.server.handler.HandlerList; import org.eclipse.jetty.server.handler.ResourceHandler; import org.eclipse.jetty.server.session.HashSessionManager; +import org.eclipse.jetty.servlet.DefaultServlet; import org.eclipse.jetty.servlet.ServletContextHandler; import org.eclipse.jetty.servlet.ServletHolder; import org.eclipse.jetty.webapp.WebAppContext; @@ -35,6 +36,7 @@ import org.traccar.Config; import org.traccar.Context; import org.traccar.api.AsyncSocketServlet; import org.traccar.api.CorsResponseFilter; +import org.traccar.api.MediaFilter; import org.traccar.api.ObjectMapperProvider; import org.traccar.api.ResourceErrorHandler; import org.traccar.api.SecurityRequestFilter; @@ -42,6 +44,7 @@ import org.traccar.api.resource.ServerResource; import org.traccar.helper.Log; import javax.naming.InitialContext; +import javax.servlet.DispatcherType; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @@ -49,6 +52,7 @@ import javax.sql.DataSource; import java.io.IOException; import java.io.Writer; import java.net.InetSocketAddress; +import java.util.EnumSet; public class WebServer { @@ -80,6 +84,7 @@ public class WebServer { } initServer(); + initMedia(); initApi(); if (config.getBoolean("web.console")) { initConsole(); @@ -156,6 +161,19 @@ public class WebServer { handlers.addHandler(app); } + private void initMedia() { + ServletContextHandler servletHandler = new ServletContextHandler(ServletContextHandler.SESSIONS); + servletHandler.setContextPath("/api/media"); + servletHandler.getSessionHandler().setSessionManager(sessionManager); + + ServletHolder servletHolder = new ServletHolder("media", DefaultServlet.class); + servletHolder.setInitParameter("resourceBase", config.getString("media.path")); + servletHolder.setInitParameter("dirAllowed", config.getString("media.dirAllowed", "false")); + servletHandler.addServlet(servletHolder, "/*"); + servletHandler.addFilter(MediaFilter.class, "/*", EnumSet.of(DispatcherType.INCLUDE, DispatcherType.REQUEST)); + handlers.addHandler(servletHandler); + } + private void initApi() { ServletContextHandler servletHandler = new ServletContextHandler(ServletContextHandler.SESSIONS); servletHandler.setContextPath("/api"); -- cgit v1.2.3