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authorAbyss777 <abyss@fox5.ru>2018-02-01 14:12:06 +0500
committerAbyss777 <abyss@fox5.ru>2018-02-01 14:12:06 +0500
commit22f792139406e381fdda5a02a61b61a577b33656 (patch)
tree487e241ebe4f5717b35d24c6308d144e173d49f5 /src/org/traccar/api
parent9d4e735f180576098900b373fff06bc661309592 (diff)
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Provide access to media files received from devices
Diffstat (limited to 'src/org/traccar/api')
-rw-r--r--src/org/traccar/api/MediaFilter.java104
1 files changed, 104 insertions, 0 deletions
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() {
+ }
+
+}