root / src / gr / ebs / gss / server / rest / FilesHandler.java @ 4e7b8a39
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/*
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* Copyright 2008, 2009 Electronic Business Systems Ltd.
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*
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* This file is part of GSS.
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*
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* GSS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GSS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GSS. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gr.ebs.gss.server.rest; |
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import static gr.ebs.gss.server.configuration.GSSConfigurationFactory.getConfiguration; |
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import gr.ebs.gss.client.exceptions.DuplicateNameException; |
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import gr.ebs.gss.client.exceptions.GSSIOException; |
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import gr.ebs.gss.client.exceptions.InsufficientPermissionsException; |
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import gr.ebs.gss.client.exceptions.ObjectNotFoundException; |
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import gr.ebs.gss.client.exceptions.QuotaExceededException; |
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import gr.ebs.gss.client.exceptions.RpcException; |
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import gr.ebs.gss.server.Login; |
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import gr.ebs.gss.server.domain.FileUploadStatus; |
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import gr.ebs.gss.server.domain.User; |
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import gr.ebs.gss.server.domain.dto.FileBodyDTO; |
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import gr.ebs.gss.server.domain.dto.FileHeaderDTO; |
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import gr.ebs.gss.server.domain.dto.FolderDTO; |
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import gr.ebs.gss.server.domain.dto.GroupDTO; |
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import gr.ebs.gss.server.domain.dto.PermissionDTO; |
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import gr.ebs.gss.server.ejb.ExternalAPI; |
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import gr.ebs.gss.server.ejb.TransactionHelper; |
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import gr.ebs.gss.server.webdav.Range; |
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import gr.ebs.gss.server.webdav.RequestUtil; |
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import java.io.BufferedReader; |
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import java.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.InputStreamReader; |
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import java.io.OutputStreamWriter; |
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import java.io.PrintWriter; |
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import java.io.UnsupportedEncodingException; |
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import java.net.URI; |
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import java.net.URISyntaxException; |
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import java.net.URLDecoder; |
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import java.net.URLEncoder; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Date; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Set; |
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import java.util.StringTokenizer; |
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import java.util.concurrent.Callable; |
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import javax.servlet.ServletContext; |
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import javax.servlet.ServletException; |
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import javax.servlet.ServletOutputStream; |
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import javax.servlet.http.Cookie; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import org.apache.commons.codec.binary.Base64; |
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import org.apache.commons.fileupload.FileItemIterator; |
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import org.apache.commons.fileupload.FileItemStream; |
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import org.apache.commons.fileupload.FileUploadException; |
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import org.apache.commons.fileupload.ProgressListener; |
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import org.apache.commons.fileupload.servlet.ServletFileUpload; |
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import org.apache.commons.fileupload.util.Streams; |
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import org.apache.commons.httpclient.util.DateParseException; |
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import org.apache.commons.httpclient.util.DateUtil; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import org.json.JSONArray; |
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import org.json.JSONException; |
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import org.json.JSONObject; |
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/**
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* A class that handles operations on the 'files' namespace.
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*
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* @author past
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*/
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public class FilesHandler extends RequestHandler { |
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/**
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* The request parameter name for fetching a different version.
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*/
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private static final String VERSION_PARAM = "version"; |
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/**
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* The request attribute containing the owner of the destination URI
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* in a copy or move request.
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*/
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private static final String DESTINATION_OWNER_ATTRIBUTE = "destOwner"; |
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private static final int TRACK_PROGRESS_PERCENT = 5; |
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/**
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* The form parameter name that contains the signature in a browser POST upload.
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*/
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private static final String AUTHORIZATION_PARAMETER = "Authorization"; |
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/**
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* The form parameter name that contains the date in a browser POST upload.
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*/
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private static final String DATE_PARAMETER = "Date"; |
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/**
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* The request parameter name for making an upload progress request.
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*/
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private static final String PROGRESS_PARAMETER = "progress"; |
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/**
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* The request parameter name for restoring a previous version of a file.
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*/
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private static final String RESTORE_VERSION_PARAMETER = "restoreVersion"; |
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/**
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* The logger.
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*/
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private static Log logger = LogFactory.getLog(FilesHandler.class); |
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/**
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* The servlet context provided by the call site.
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*/
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private ServletContext context;
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/**
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* The style sheet for displaying the directory listings.
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*/
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private static final String GSS_CSS = "H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} " + "H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} " + "H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} " + "BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} " + "B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} " + "P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}" + "A {color : black;}" + "A.name {color : black;}" + "HR {color : #525D76;}"; |
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/**
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* @param servletContext
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*/
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public FilesHandler(ServletContext servletContext) {
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context = servletContext; |
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} |
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private void updateAccounting(final User user, final Date date, final long bandwidthDiff) { |
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try {
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new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
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@Override
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public Void call() throws Exception { |
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getService().updateAccounting(user, date, bandwidthDiff); |
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return null; |
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} |
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}); |
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} catch (RuntimeException e) { |
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throw e;
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} catch (Exception e) { |
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// updateAccounting() doesn't throw any checked exceptions
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assert false; |
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} |
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} |
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/**
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* Serve the specified resource, optionally including the data content.
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*
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* @param req The servlet request we are processing
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* @param resp The servlet response we are creating
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* @param content Should the content be included?
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*
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* @exception IOException if an input/output error occurs
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* @exception ServletException if a servlet-specified error occurs
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* @throws RpcException
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* @throws InsufficientPermissionsException
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* @throws ObjectNotFoundException
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*/
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@Override
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protected void serveResource(HttpServletRequest req, HttpServletResponse resp, boolean content) |
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throws IOException, ServletException { |
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boolean authDeferred = getAuthDeferred(req);
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String path = getInnerPath(req, PATH_FILES);
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if (path.equals("")) |
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path = "/";
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try {
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path = URLDecoder.decode(path, "UTF-8"); |
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} catch (IllegalArgumentException e) { |
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resp.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage()); |
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return;
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} |
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String progress = req.getParameter(PROGRESS_PARAMETER);
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if (logger.isDebugEnabled())
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if (content)
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logger.debug("Serving resource '" + path + "' headers and data"); |
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else
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logger.debug("Serving resource '" + path + "' headers only"); |
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User user = getUser(req); |
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User owner = getOwner(req); |
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if (user == null) user = owner; |
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boolean exists = true; |
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Object resource = null; |
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FileHeaderDTO file = null;
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FolderDTO folder = null;
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try {
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resource = getService().getResourceAtPath(owner.getId(), path, false);
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} catch (ObjectNotFoundException e) {
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exists = false;
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} catch (RpcException e) {
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resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
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return;
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} |
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if (!exists) {
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if (authDeferred) {
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// We do not want to leak information if the request
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// was not authenticated.
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resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
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return;
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} |
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// A request for upload progress.
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if (progress != null && content) { |
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serveProgress(req, resp, progress, user, null);
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return;
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} |
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resp.sendError(HttpServletResponse.SC_NOT_FOUND, req.getRequestURI()); |
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return;
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} |
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if (resource instanceof FolderDTO) |
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folder = (FolderDTO) resource; |
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else
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file = (FileHeaderDTO) resource; |
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// Now it's time to perform the deferred authentication check.
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// Since regular signature checking was already performed,
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// we need to check the read-all flag or the signature-in-parameters.
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if (authDeferred)
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if (file != null && !file.isReadForAll() && content) { |
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// Check for GET with the signature in the request parameters.
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String auth = req.getParameter(AUTHORIZATION_PARAMETER);
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String dateParam = req.getParameter(DATE_PARAMETER);
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if (auth == null || dateParam == null) { |
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// Check for a valid authentication cookie.
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if (req.getCookies() != null) { |
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boolean found = false; |
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for (Cookie cookie : req.getCookies())
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if (Login.AUTH_COOKIE.equals(cookie.getName())) {
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String cookieauth = cookie.getValue();
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int sepIndex = cookieauth.indexOf(Login.COOKIE_SEPARATOR);
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if (sepIndex == -1) { |
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handleAuthFailure(req, resp); |
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return;
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} |
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String username = URLDecoder.decode(cookieauth.substring(0, sepIndex), "US-ASCII"); |
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user = null;
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try {
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user = getService().findUser(username); |
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} catch (RpcException e) {
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resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
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return;
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} |
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if (user == null) { |
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resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
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return;
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} |
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req.setAttribute(USER_ATTRIBUTE, user); |
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String token = cookieauth.substring(sepIndex + 1); |
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if (user.getAuthToken() == null) { |
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resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
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return;
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} |
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if (!Arrays.equals(user.getAuthToken(), Base64.decodeBase64(token))) { |
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resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
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return;
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} |
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found = true;
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break;
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} |
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if (!found) {
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handleAuthFailure(req, resp); |
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return;
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} |
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} else {
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handleAuthFailure(req, resp); |
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return;
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} |
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} else {
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long timestamp;
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try {
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timestamp = DateUtil.parseDate(dateParam).getTime(); |
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} catch (DateParseException e) {
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resp.sendError(HttpServletResponse.SC_FORBIDDEN, e.getMessage()); |
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return;
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} |
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if (!isTimeValid(timestamp)) {
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resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
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return;
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} |
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// Fetch the Authorization parameter and find the user specified in it.
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String[] authParts = auth.split(" "); |
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if (authParts.length != 2) { |
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resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
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return;
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} |
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String username = authParts[0]; |
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String signature = authParts[1]; |
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user = null;
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try {
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user = getService().findUser(username); |
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} catch (RpcException e) {
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resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
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return;
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} |
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if (user == null) { |
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resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
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return;
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} |
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req.setAttribute(USER_ATTRIBUTE, user); |
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// Remove the servlet path from the request URI.
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String p = req.getRequestURI();
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String servletPath = req.getContextPath() + req.getServletPath();
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p = p.substring(servletPath.length()); |
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// Validate the signature in the Authorization parameter.
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String data = req.getMethod() + dateParam + p;
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if (!isSignatureValid(signature, user, data)) {
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resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
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return;
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} |
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} |
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} else if (file != null && !file.isReadForAll() || folder != null && !folder.isReadForAll()) { |
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// Check for a read-for-all file request.
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resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
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return;
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} |
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// If the resource is not a collection, and the resource path
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// ends with "/" or "\", return NOT FOUND.
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if (folder == null) |
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if (path.endsWith("/") || path.endsWith("\\")) { |
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resp.sendError(HttpServletResponse.SC_NOT_FOUND, req.getRequestURI()); |
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return;
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} |
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// Workaround for IE's broken caching behavior.
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if (folder != null) |
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resp.setHeader("Expires", "-1"); |
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// A request for upload progress.
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if (progress != null && content) { |
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if (file == null) { |
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resp.sendError(HttpServletResponse.SC_BAD_REQUEST); |
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return;
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} |
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serveProgress(req, resp, progress, user, file); |
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return;
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} |
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// Fetch the version to retrieve, if specified.
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String verStr = req.getParameter(VERSION_PARAM);
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int version = 0; |
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FileBodyDTO oldBody = null;
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if (verStr != null && file != null) |
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try {
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version = Integer.valueOf(verStr);
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} catch (NumberFormatException e) { |
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resp.sendError(HttpServletResponse.SC_BAD_REQUEST, req.getRequestURI()); |
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return;
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} |
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if (version > 0) |
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try {
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oldBody = getService().getFileVersion(user.getId(), file.getId(), version); |
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} catch (RpcException e) {
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resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
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return;
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} catch (ObjectNotFoundException e) {
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resp.sendError(HttpServletResponse.SC_NOT_FOUND); |
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return;
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} catch (InsufficientPermissionsException e) {
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resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
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return;
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} |
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// Check if the conditions specified in the optional If headers are
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// satisfied. Doing this for folders would require recursive checking
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// for all of their children, which in turn would defy the purpose of
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// the optimization.
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if (folder == null){ |
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// Checking If headers.
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if (!checkIfHeaders(req, resp, file, oldBody))
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return;
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} |
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else if(!checkIfModifiedSince(req, resp, folder)) |
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return;
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// Find content type.
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String contentType = null; |
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boolean isContentHtml = false; |
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if (file != null) { |
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contentType = version>0 ? oldBody.getMimeType() : file.getMimeType();
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if (contentType == null) { |
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contentType = context.getMimeType(file.getName()); |
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file.setMimeType(contentType); |
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} |
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} else { // folder != null |
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String accept = req.getHeader("Accept"); |
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// The order in this conditional pessimizes the common API case,
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// but is important for backwards compatibility with existing
|
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// clients who send no accept header and expect a JSON response.
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if (accept != null && accept.contains("text/html")) { |
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contentType = "text/html;charset=UTF-8";
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isContentHtml = true;
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} else
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contentType = "application/json;charset=UTF-8";
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} |
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ArrayList ranges = null; |
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long contentLength = -1L; |
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|
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if (file != null) { |
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// Parse range specifier.
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ranges = parseRange(req, resp, file, oldBody); |
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// ETag header
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resp.setHeader("ETag", getETag(file, oldBody));
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// Last-Modified header.
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String lastModified = oldBody == null ? |
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getLastModifiedHttp(file.getAuditInfo()) : |
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getLastModifiedHttp(oldBody.getAuditInfo()); |
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resp.setHeader("Last-Modified", lastModified);
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// X-GSS-Metadata header.
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try {
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resp.setHeader("X-GSS-Metadata", renderJson(user, file, oldBody));
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} catch (InsufficientPermissionsException e) {
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resp.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
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return;
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} |
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// Get content length.
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contentLength = version>0 ? oldBody.getFileSize() : file.getFileSize();
|
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// Special case for zero length files, which would cause a
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// (silent) ISE when setting the output buffer size.
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if (contentLength == 0L) |
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content = false;
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} else
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// Set the folder X-GSS-Metadata header.
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try {
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resp.setHeader("X-GSS-Metadata", renderJsonMetadata(user, folder));
|
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} catch (InsufficientPermissionsException e) {
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resp.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
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return;
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} |
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|
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ServletOutputStream ostream = null;
|
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PrintWriter writer = null; |
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|
| 466 |
if (content)
|
| 467 |
try {
|
| 468 |
ostream = resp.getOutputStream(); |
| 469 |
} catch (IllegalStateException e) { |
| 470 |
// If it fails, we try to get a Writer instead if we're
|
| 471 |
// trying to serve a text file
|
| 472 |
if ( contentType == null |
| 473 |
|| contentType.startsWith("text")
|
| 474 |
|| contentType.endsWith("xml") )
|
| 475 |
writer = resp.getWriter(); |
| 476 |
else
|
| 477 |
throw e;
|
| 478 |
} |
| 479 |
|
| 480 |
if (folder != null |
| 481 |
|| (ranges == null || ranges.isEmpty())
|
| 482 |
&& req.getHeader("Range") == null |
| 483 |
|| ranges == FULL) {
|
| 484 |
// Set the appropriate output headers
|
| 485 |
if (contentType != null) { |
| 486 |
if (logger.isDebugEnabled())
|
| 487 |
logger.debug("contentType='" + contentType + "'"); |
| 488 |
resp.setContentType(contentType); |
| 489 |
} |
| 490 |
if (file != null && contentLength >= 0) { |
| 491 |
if (logger.isDebugEnabled())
|
| 492 |
logger.debug("contentLength=" + contentLength);
|
| 493 |
if (contentLength < Integer.MAX_VALUE) |
| 494 |
resp.setContentLength((int) contentLength);
|
| 495 |
else
|
| 496 |
// Set the content-length as String to be able to use a long
|
| 497 |
resp.setHeader("content-length", "" + contentLength); |
| 498 |
} |
| 499 |
|
| 500 |
InputStream renderResult = null; |
| 501 |
if (content)
|
| 502 |
// Serve the directory browser for a public folder
|
| 503 |
if (isContentHtml)
|
| 504 |
renderResult = renderHtml(req.getContextPath(), path, folder,user); |
| 505 |
// Serve the directory for an ordinary folder
|
| 506 |
else
|
| 507 |
try {
|
| 508 |
renderResult = renderJson(user, folder); |
| 509 |
} catch (InsufficientPermissionsException e) {
|
| 510 |
resp.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 511 |
return;
|
| 512 |
} |
| 513 |
|
| 514 |
|
| 515 |
// Copy the input stream to our output stream (if requested)
|
| 516 |
if (content) {
|
| 517 |
try {
|
| 518 |
resp.setBufferSize(output); |
| 519 |
} catch (IllegalStateException e) { |
| 520 |
// Silent catch
|
| 521 |
} |
| 522 |
try {
|
| 523 |
if(file != null) |
| 524 |
if (needsContentDisposition(req))
|
| 525 |
resp.setHeader("Content-Disposition","attachment; filename*=UTF-8''"+getDispositionFilename(file)); |
| 526 |
else
|
| 527 |
resp.setHeader("Content-Disposition","inline; filename*=UTF-8''"+getDispositionFilename(file)); |
| 528 |
if (ostream != null) |
| 529 |
copy(file, renderResult, ostream, req, oldBody); |
| 530 |
else
|
| 531 |
copy(file, renderResult, writer, req, oldBody); |
| 532 |
if (file!=null) updateAccounting(owner, new Date(), contentLength); |
| 533 |
} catch (ObjectNotFoundException e) {
|
| 534 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 535 |
return;
|
| 536 |
} catch (InsufficientPermissionsException e) {
|
| 537 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 538 |
return;
|
| 539 |
} catch (RpcException e) {
|
| 540 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| 541 |
return;
|
| 542 |
} |
| 543 |
} |
| 544 |
} else {
|
| 545 |
if (ranges == null || ranges.isEmpty()) |
| 546 |
return;
|
| 547 |
// Partial content response.
|
| 548 |
resp.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT); |
| 549 |
|
| 550 |
if (ranges.size() == 1) { |
| 551 |
Range range = (Range) ranges.get(0);
|
| 552 |
resp.addHeader("Content-Range", "bytes " |
| 553 |
+ range.start |
| 554 |
+ "-" + range.end + "/" |
| 555 |
+ range.length); |
| 556 |
long length = range.end - range.start + 1; |
| 557 |
if (length < Integer.MAX_VALUE) |
| 558 |
resp.setContentLength((int) length);
|
| 559 |
else
|
| 560 |
// Set the content-length as String to be able to use a long
|
| 561 |
resp.setHeader("content-length", "" + length); |
| 562 |
|
| 563 |
if (contentType != null) { |
| 564 |
if (logger.isDebugEnabled())
|
| 565 |
logger.debug("contentType='" + contentType + "'"); |
| 566 |
resp.setContentType(contentType); |
| 567 |
} |
| 568 |
|
| 569 |
if (content) {
|
| 570 |
try {
|
| 571 |
resp.setBufferSize(output); |
| 572 |
} catch (IllegalStateException e) { |
| 573 |
// Silent catch
|
| 574 |
} |
| 575 |
try {
|
| 576 |
if (ostream != null) |
| 577 |
copy(file, ostream, range, req, oldBody); |
| 578 |
else
|
| 579 |
copy(file, writer, range, req, oldBody); |
| 580 |
updateAccounting(owner, new Date(), contentLength); |
| 581 |
} catch (ObjectNotFoundException e) {
|
| 582 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 583 |
return;
|
| 584 |
} catch (InsufficientPermissionsException e) {
|
| 585 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 586 |
return;
|
| 587 |
} catch (RpcException e) {
|
| 588 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| 589 |
return;
|
| 590 |
} |
| 591 |
} |
| 592 |
} else {
|
| 593 |
resp.setContentType("multipart/byteranges; boundary=" + mimeSeparation);
|
| 594 |
if (content) {
|
| 595 |
try {
|
| 596 |
resp.setBufferSize(output); |
| 597 |
} catch (IllegalStateException e) { |
| 598 |
// Silent catch
|
| 599 |
} |
| 600 |
try {
|
| 601 |
if (ostream != null) |
| 602 |
copy(file, ostream, ranges.iterator(), contentType, req, oldBody); |
| 603 |
else
|
| 604 |
copy(file, writer, ranges.iterator(), contentType, req, oldBody); |
| 605 |
updateAccounting(owner, new Date(), contentLength); |
| 606 |
} catch (ObjectNotFoundException e) {
|
| 607 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 608 |
return;
|
| 609 |
} catch (InsufficientPermissionsException e) {
|
| 610 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 611 |
return;
|
| 612 |
} catch (RpcException e) {
|
| 613 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| 614 |
return;
|
| 615 |
} |
| 616 |
} |
| 617 |
} |
| 618 |
} |
| 619 |
} |
| 620 |
|
| 621 |
/**
|
| 622 |
* Handles an authentication failure. If no Authorization or Date request
|
| 623 |
* parameters and no Authorization, Date or X-GSS-Date headers were present,
|
| 624 |
* this is a browser request, so redirect to login and then let the user get
|
| 625 |
* back to the file. Otherwise it's a bogus client request and Forbidden is
|
| 626 |
* returned.
|
| 627 |
*/
|
| 628 |
private void handleAuthFailure(HttpServletRequest req, HttpServletResponse resp) throws IOException { |
| 629 |
if (req.getParameter(AUTHORIZATION_PARAMETER) == null && |
| 630 |
req.getParameter(DATE_PARAMETER) == null &&
|
| 631 |
req.getHeader(AUTHORIZATION_HEADER) == null &&
|
| 632 |
req.getDateHeader(DATE_HEADER) == -1 &&
|
| 633 |
req.getDateHeader(GSS_DATE_HEADER) == -1)
|
| 634 |
resp.sendRedirect(getConfiguration().getString("loginUrl") +
|
| 635 |
"?next=" + req.getRequestURL().toString());
|
| 636 |
else
|
| 637 |
resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
| 638 |
} |
| 639 |
|
| 640 |
/**
|
| 641 |
* Return the filename of the specified file properly formatted for
|
| 642 |
* including in the Content-Disposition header.
|
| 643 |
*/
|
| 644 |
private String getDispositionFilename(FileHeaderDTO file) throws UnsupportedEncodingException { |
| 645 |
return URLEncoder.encode(file.getName(),"UTF-8").replaceAll("\\+", "%20"); |
| 646 |
} |
| 647 |
|
| 648 |
/**
|
| 649 |
* Determines whether the user agent needs the Content-Disposition
|
| 650 |
* header to be set, in order to properly download a file.
|
| 651 |
*
|
| 652 |
* @param req the HTTP request
|
| 653 |
* @return true if the Content-Disposition HTTP header must be set
|
| 654 |
*/
|
| 655 |
private boolean needsContentDisposition(HttpServletRequest req) { |
| 656 |
/*String agent = req.getHeader("user-agent");
|
| 657 |
if (agent != null && agent.contains("MSIE"))
|
| 658 |
return true;*/
|
| 659 |
String dl = req.getParameter("dl"); |
| 660 |
if ("1".equals(dl)) |
| 661 |
return true; |
| 662 |
return false; |
| 663 |
} |
| 664 |
|
| 665 |
/**
|
| 666 |
* Sends a progress update on the amount of bytes received until now for
|
| 667 |
* a file that the current user is currently uploading.
|
| 668 |
*
|
| 669 |
* @param req the HTTP request
|
| 670 |
* @param resp the HTTP response
|
| 671 |
* @param parameter the value for the progress request parameter
|
| 672 |
* @param user the current user
|
| 673 |
* @param file the file being uploaded, or null if the request is about a new file
|
| 674 |
* @throws IOException if an I/O error occurs
|
| 675 |
*/
|
| 676 |
private void serveProgress(HttpServletRequest req, HttpServletResponse resp, |
| 677 |
String parameter, User user, FileHeaderDTO file) throws IOException { |
| 678 |
String filename = file == null ? parameter : file.getName(); |
| 679 |
try {
|
| 680 |
FileUploadStatus status = getService().getFileUploadStatus(user.getId(), filename); |
| 681 |
if (status == null) { |
| 682 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 683 |
return;
|
| 684 |
} |
| 685 |
JSONObject json = new JSONObject();
|
| 686 |
json.put("bytesUploaded", status.getBytesUploaded()).
|
| 687 |
put("bytesTotal", status.getFileSize());
|
| 688 |
sendJson(req, resp, json.toString()); |
| 689 |
|
| 690 |
// Workaround for IE's broken caching behavior.
|
| 691 |
resp.setHeader("Expires", "-1"); |
| 692 |
return;
|
| 693 |
} catch (RpcException e) {
|
| 694 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| 695 |
return;
|
| 696 |
} catch (JSONException e) {
|
| 697 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage()); |
| 698 |
return;
|
| 699 |
} |
| 700 |
} |
| 701 |
|
| 702 |
/**
|
| 703 |
* Server a POST request to create/modify a file or folder.
|
| 704 |
*
|
| 705 |
* @param req the HTTP request
|
| 706 |
* @param resp the HTTP response
|
| 707 |
* @exception IOException if an input/output error occurs
|
| 708 |
*/
|
| 709 |
void postResource(HttpServletRequest req, HttpServletResponse resp) throws IOException { |
| 710 |
boolean authDeferred = getAuthDeferred(req);
|
| 711 |
if (!authDeferred && req.getParameterMap().size() > 1) { |
| 712 |
resp.sendError(HttpServletResponse.SC_BAD_REQUEST); |
| 713 |
return;
|
| 714 |
} |
| 715 |
String path = getInnerPath(req, PATH_FILES);
|
| 716 |
path = path.endsWith("/")? path: path + '/'; |
| 717 |
try {
|
| 718 |
path = URLDecoder.decode(path, "UTF-8"); |
| 719 |
} catch (IllegalArgumentException e) { |
| 720 |
resp.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage()); |
| 721 |
return;
|
| 722 |
} |
| 723 |
// We only defer authenticating multipart POST requests.
|
| 724 |
if (authDeferred) {
|
| 725 |
if (!ServletFileUpload.isMultipartContent(req)) {
|
| 726 |
resp.sendError(HttpServletResponse.SC_FORBIDDEN); |
| 727 |
return;
|
| 728 |
} |
| 729 |
handleMultipart(req, resp, path); |
| 730 |
return;
|
| 731 |
} |
| 732 |
|
| 733 |
String newName = req.getParameter(NEW_FOLDER_PARAMETER);
|
| 734 |
if (!isValidResourceName(newName)) {
|
| 735 |
resp.sendError(HttpServletResponse.SC_BAD_REQUEST); |
| 736 |
return;
|
| 737 |
} |
| 738 |
boolean hasUpdateParam = req.getParameterMap().containsKey(RESOURCE_UPDATE_PARAMETER);
|
| 739 |
boolean hasTrashParam = req.getParameterMap().containsKey(RESOURCE_TRASH_PARAMETER);
|
| 740 |
boolean hasRestoreParam = req.getParameterMap().containsKey(RESOURCE_RESTORE_PARAMETER);
|
| 741 |
String copyTo = req.getParameter(RESOURCE_COPY_PARAMETER);
|
| 742 |
String moveTo = req.getParameter(RESOURCE_MOVE_PARAMETER);
|
| 743 |
String restoreVersion = req.getParameter(RESTORE_VERSION_PARAMETER);
|
| 744 |
|
| 745 |
if (newName != null) |
| 746 |
createFolder(req, resp, path, newName); |
| 747 |
else if (hasUpdateParam) |
| 748 |
updateResource(req, resp, path); |
| 749 |
else if (hasTrashParam) |
| 750 |
trashResource(req, resp, path); |
| 751 |
else if (hasRestoreParam) |
| 752 |
restoreResource(req, resp, path); |
| 753 |
else if (copyTo != null) |
| 754 |
copyResource(req, resp, path, copyTo); |
| 755 |
else if (moveTo != null) |
| 756 |
moveResource(req, resp, path, moveTo); |
| 757 |
else if (restoreVersion != null) |
| 758 |
restoreVersion(req, resp, path, restoreVersion); |
| 759 |
else
|
| 760 |
// IE with Gears uses POST for multiple uploads.
|
| 761 |
putResource(req, resp); |
| 762 |
} |
| 763 |
|
| 764 |
/**
|
| 765 |
* Restores a previous version for a file.
|
| 766 |
*
|
| 767 |
* @param req the HTTP request
|
| 768 |
* @param resp the HTTP response
|
| 769 |
* @param path the resource path
|
| 770 |
* @param version the version number to restore
|
| 771 |
* @throws IOException if an I/O error occurs
|
| 772 |
*/
|
| 773 |
private void restoreVersion(HttpServletRequest req, HttpServletResponse resp, String path, String version) throws IOException { |
| 774 |
final User user = getUser(req);
|
| 775 |
User owner = getOwner(req); |
| 776 |
Object resource = null; |
| 777 |
try {
|
| 778 |
resource = getService().getResourceAtPath(owner.getId(), path, true);
|
| 779 |
} catch (ObjectNotFoundException e) {
|
| 780 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, path); |
| 781 |
return;
|
| 782 |
} catch (RpcException e) {
|
| 783 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 784 |
return;
|
| 785 |
} |
| 786 |
if (resource instanceof FolderDTO) { |
| 787 |
resp.sendError(HttpServletResponse.SC_CONFLICT); |
| 788 |
return;
|
| 789 |
} |
| 790 |
|
| 791 |
try {
|
| 792 |
final FileHeaderDTO file = (FileHeaderDTO) resource;
|
| 793 |
final int oldVersion = Integer.parseInt(version); |
| 794 |
|
| 795 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 796 |
@Override
|
| 797 |
public Void call() throws Exception { |
| 798 |
getService().restoreVersion(user.getId(), file.getId(), oldVersion); |
| 799 |
return null; |
| 800 |
} |
| 801 |
}); |
| 802 |
} catch (InsufficientPermissionsException e) {
|
| 803 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 804 |
} catch (ObjectNotFoundException e) {
|
| 805 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, e.getMessage()); |
| 806 |
} catch (RpcException e) {
|
| 807 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 808 |
} catch (GSSIOException e) {
|
| 809 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage()); |
| 810 |
} catch (QuotaExceededException e) {
|
| 811 |
resp.sendError(HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE, e.getMessage()); |
| 812 |
} catch (NumberFormatException e) { |
| 813 |
resp.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage()); |
| 814 |
} catch (Exception e) { |
| 815 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage()); |
| 816 |
} |
| 817 |
} |
| 818 |
|
| 819 |
/**
|
| 820 |
* A method for handling multipart POST requests for uploading
|
| 821 |
* files from browser-based JavaScript clients.
|
| 822 |
*
|
| 823 |
* @param request the HTTP request
|
| 824 |
* @param response the HTTP response
|
| 825 |
* @param path the resource path
|
| 826 |
* @throws IOException in case an error occurs writing to the
|
| 827 |
* response stream
|
| 828 |
*/
|
| 829 |
private void handleMultipart(HttpServletRequest request, HttpServletResponse response, String path) throws IOException { |
| 830 |
if (logger.isDebugEnabled())
|
| 831 |
logger.debug("Multipart POST for resource: " + path);
|
| 832 |
|
| 833 |
User owner = getOwner(request); |
| 834 |
boolean exists = true; |
| 835 |
Object resource = null; |
| 836 |
FileHeaderDTO file = null;
|
| 837 |
try {
|
| 838 |
resource = getService().getResourceAtPath(owner.getId(), path, false);
|
| 839 |
} catch (ObjectNotFoundException e) {
|
| 840 |
exists = false;
|
| 841 |
} catch (RpcException e) {
|
| 842 |
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 843 |
return;
|
| 844 |
} |
| 845 |
|
| 846 |
if (exists)
|
| 847 |
if (resource instanceof FileHeaderDTO) { |
| 848 |
file = (FileHeaderDTO) resource; |
| 849 |
if (file.isDeleted()) {
|
| 850 |
response.sendError(HttpServletResponse.SC_CONFLICT, file.getName() + " is in the trash");
|
| 851 |
return;
|
| 852 |
} |
| 853 |
} else {
|
| 854 |
response.sendError(HttpServletResponse.SC_CONFLICT, path + " is a folder");
|
| 855 |
return;
|
| 856 |
} |
| 857 |
|
| 858 |
Object parent;
|
| 859 |
String parentPath = null; |
| 860 |
try {
|
| 861 |
parentPath = getParentPath(path); |
| 862 |
parent = getService().getResourceAtPath(owner.getId(), parentPath, true);
|
| 863 |
} catch (ObjectNotFoundException e) {
|
| 864 |
response.sendError(HttpServletResponse.SC_NOT_FOUND, parentPath); |
| 865 |
return;
|
| 866 |
} catch (RpcException e) {
|
| 867 |
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 868 |
return;
|
| 869 |
} |
| 870 |
if (!(parent instanceof FolderDTO)) { |
| 871 |
response.sendError(HttpServletResponse.SC_CONFLICT); |
| 872 |
return;
|
| 873 |
} |
| 874 |
final FolderDTO folder = (FolderDTO) parent;
|
| 875 |
final String fileName = getLastElement(path); |
| 876 |
|
| 877 |
FileItemIterator iter; |
| 878 |
File uploadedFile = null; |
| 879 |
try {
|
| 880 |
// Create a new file upload handler.
|
| 881 |
ServletFileUpload upload = new ServletFileUpload();
|
| 882 |
StatusProgressListener progressListener = new StatusProgressListener(getService());
|
| 883 |
upload.setProgressListener(progressListener); |
| 884 |
iter = upload.getItemIterator(request); |
| 885 |
String dateParam = null; |
| 886 |
String auth = null; |
| 887 |
while (iter.hasNext()) {
|
| 888 |
FileItemStream item = iter.next(); |
| 889 |
String name = item.getFieldName();
|
| 890 |
InputStream stream = item.openStream();
|
| 891 |
if (item.isFormField()) {
|
| 892 |
final String value = Streams.asString(stream); |
| 893 |
if (name.equals(DATE_PARAMETER))
|
| 894 |
dateParam = value; |
| 895 |
else if (name.equals(AUTHORIZATION_PARAMETER)) |
| 896 |
auth = value; |
| 897 |
|
| 898 |
if (logger.isDebugEnabled())
|
| 899 |
logger.debug(name + ":" + value);
|
| 900 |
} else {
|
| 901 |
// Fetch the timestamp used to guard against replay attacks.
|
| 902 |
if (dateParam == null) { |
| 903 |
response.sendError(HttpServletResponse.SC_FORBIDDEN, "No Date parameter");
|
| 904 |
return;
|
| 905 |
} |
| 906 |
|
| 907 |
long timestamp;
|
| 908 |
try {
|
| 909 |
timestamp = DateUtil.parseDate(dateParam).getTime(); |
| 910 |
} catch (DateParseException e) {
|
| 911 |
response.sendError(HttpServletResponse.SC_FORBIDDEN, e.getMessage()); |
| 912 |
return;
|
| 913 |
} |
| 914 |
if (!isTimeValid(timestamp)) {
|
| 915 |
response.sendError(HttpServletResponse.SC_FORBIDDEN); |
| 916 |
return;
|
| 917 |
} |
| 918 |
|
| 919 |
// Fetch the Authorization parameter and find the user specified in it.
|
| 920 |
if (auth == null) { |
| 921 |
response.sendError(HttpServletResponse.SC_FORBIDDEN, "No Authorization parameter");
|
| 922 |
return;
|
| 923 |
} |
| 924 |
String[] authParts = auth.split(" "); |
| 925 |
if (authParts.length != 2) { |
| 926 |
response.sendError(HttpServletResponse.SC_FORBIDDEN); |
| 927 |
return;
|
| 928 |
} |
| 929 |
String username = authParts[0]; |
| 930 |
String signature = authParts[1]; |
| 931 |
User user = null;
|
| 932 |
try {
|
| 933 |
user = getService().findUser(username); |
| 934 |
} catch (RpcException e) {
|
| 935 |
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 936 |
return;
|
| 937 |
} |
| 938 |
if (user == null) { |
| 939 |
response.sendError(HttpServletResponse.SC_FORBIDDEN); |
| 940 |
return;
|
| 941 |
} |
| 942 |
request.setAttribute(USER_ATTRIBUTE, user); |
| 943 |
|
| 944 |
// Remove the servlet path from the request URI.
|
| 945 |
String p = request.getRequestURI();
|
| 946 |
String servletPath = request.getContextPath() + request.getServletPath();
|
| 947 |
p = p.substring(servletPath.length()); |
| 948 |
// Validate the signature in the Authorization parameter.
|
| 949 |
String data = request.getMethod() + dateParam + p;
|
| 950 |
if (!isSignatureValid(signature, user, data)) {
|
| 951 |
response.sendError(HttpServletResponse.SC_FORBIDDEN); |
| 952 |
return;
|
| 953 |
} |
| 954 |
|
| 955 |
progressListener.setUserId(user.getId()); |
| 956 |
progressListener.setFilename(fileName); |
| 957 |
final String contentType = item.getContentType(); |
| 958 |
|
| 959 |
try {
|
| 960 |
uploadedFile = getService().uploadFile(stream, user.getId()); |
| 961 |
} catch (IOException ex) { |
| 962 |
throw new GSSIOException(ex, false); |
| 963 |
} |
| 964 |
FileHeaderDTO fileDTO = null;
|
| 965 |
final File upf = uploadedFile; |
| 966 |
final FileHeaderDTO f = file;
|
| 967 |
final User u = user;
|
| 968 |
if (file == null) |
| 969 |
fileDTO = new TransactionHelper<FileHeaderDTO>().tryExecute(new Callable<FileHeaderDTO>() { |
| 970 |
@Override
|
| 971 |
public FileHeaderDTO call() throws Exception { |
| 972 |
return getService().createFile(u.getId(), folder.getId(), fileName, contentType, upf.getCanonicalFile().length(), upf.getAbsolutePath());
|
| 973 |
} |
| 974 |
}); |
| 975 |
else
|
| 976 |
fileDTO = new TransactionHelper<FileHeaderDTO>().tryExecute(new Callable<FileHeaderDTO>() { |
| 977 |
@Override
|
| 978 |
public FileHeaderDTO call() throws Exception { |
| 979 |
return getService().updateFileContents(u.getId(), f.getId(), contentType, upf.getCanonicalFile().length(), upf.getAbsolutePath());
|
| 980 |
} |
| 981 |
}); |
| 982 |
updateAccounting(owner, new Date(), fileDTO.getFileSize()); |
| 983 |
getService().removeFileUploadProgress(user.getId(), fileName); |
| 984 |
} |
| 985 |
} |
| 986 |
// We can't return 204 here since GWT's onSubmitComplete won't fire.
|
| 987 |
response.setContentType("text/html");
|
| 988 |
response.getWriter().print("<pre></pre>");
|
| 989 |
} catch (FileUploadException e) {
|
| 990 |
String error = "Error while uploading file"; |
| 991 |
logger.error(error, e); |
| 992 |
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, error); |
| 993 |
} catch (GSSIOException e) {
|
| 994 |
if (uploadedFile != null && uploadedFile.exists()) |
| 995 |
uploadedFile.delete(); |
| 996 |
String error = "Error while uploading file"; |
| 997 |
if (e.logAsError())
|
| 998 |
logger.error(error, e); |
| 999 |
else
|
| 1000 |
logger.debug(error, e); |
| 1001 |
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, error); |
| 1002 |
} catch (DuplicateNameException e) {
|
| 1003 |
if (uploadedFile != null && uploadedFile.exists()) |
| 1004 |
uploadedFile.delete(); |
| 1005 |
String error = "The specified file name already exists in this folder"; |
| 1006 |
logger.error(error, e); |
| 1007 |
response.sendError(HttpServletResponse.SC_CONFLICT, error); |
| 1008 |
|
| 1009 |
} catch (InsufficientPermissionsException e) {
|
| 1010 |
if (uploadedFile != null && uploadedFile.exists()) |
| 1011 |
uploadedFile.delete(); |
| 1012 |
String error = "You don't have the necessary permissions"; |
| 1013 |
logger.error(error, e); |
| 1014 |
response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, error); |
| 1015 |
|
| 1016 |
} catch (QuotaExceededException e) {
|
| 1017 |
if (uploadedFile != null && uploadedFile.exists()) |
| 1018 |
uploadedFile.delete(); |
| 1019 |
String error = "Not enough free space available"; |
| 1020 |
if (logger.isDebugEnabled())
|
| 1021 |
logger.debug(error, e); |
| 1022 |
response.sendError(HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE, error); |
| 1023 |
|
| 1024 |
} catch (ObjectNotFoundException e) {
|
| 1025 |
if (uploadedFile != null && uploadedFile.exists()) |
| 1026 |
uploadedFile.delete(); |
| 1027 |
String error = "A specified object was not found"; |
| 1028 |
logger.error(error, e); |
| 1029 |
response.sendError(HttpServletResponse.SC_NOT_FOUND, error); |
| 1030 |
} catch (RpcException e) {
|
| 1031 |
if (uploadedFile != null && uploadedFile.exists()) |
| 1032 |
uploadedFile.delete(); |
| 1033 |
String error = "An error occurred while communicating with the service"; |
| 1034 |
logger.error(error, e); |
| 1035 |
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, error); |
| 1036 |
} catch (Exception e) { |
| 1037 |
if (uploadedFile != null && uploadedFile.exists()) |
| 1038 |
uploadedFile.delete(); |
| 1039 |
String error = "An internal server error occurred"; |
| 1040 |
logger.error(error, e); |
| 1041 |
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, error); |
| 1042 |
} |
| 1043 |
} |
| 1044 |
|
| 1045 |
/**
|
| 1046 |
* Move the resource in the specified path to the specified destination.
|
| 1047 |
*
|
| 1048 |
* @param req the HTTP request
|
| 1049 |
* @param resp the HTTP response
|
| 1050 |
* @param path the path of the resource
|
| 1051 |
* @param moveTo the destination of the move procedure
|
| 1052 |
* @throws IOException if an input/output error occurs
|
| 1053 |
*/
|
| 1054 |
private void moveResource(HttpServletRequest req, HttpServletResponse resp, String path, String moveTo) throws IOException { |
| 1055 |
final User user = getUser(req);
|
| 1056 |
User owner = getOwner(req); |
| 1057 |
Object resource = null; |
| 1058 |
try {
|
| 1059 |
resource = getService().getResourceAtPath(owner.getId(), path, true);
|
| 1060 |
} catch (ObjectNotFoundException e) {
|
| 1061 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, path); |
| 1062 |
return;
|
| 1063 |
} catch (RpcException e) {
|
| 1064 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1065 |
return;
|
| 1066 |
} |
| 1067 |
|
| 1068 |
String destination = null; |
| 1069 |
User destOwner = null;
|
| 1070 |
boolean exists = true; |
| 1071 |
try {
|
| 1072 |
destination = getDestinationPath(req, encodePath(moveTo)); |
| 1073 |
destination = URLDecoder.decode(destination, "UTF-8"); |
| 1074 |
destOwner = getDestinationOwner(req); |
| 1075 |
getService().getResourceAtPath(destOwner.getId(), destination, true);
|
| 1076 |
} catch (ObjectNotFoundException e) {
|
| 1077 |
exists = false;
|
| 1078 |
} catch (URISyntaxException e) { |
| 1079 |
resp.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage()); |
| 1080 |
return;
|
| 1081 |
} catch (RpcException e) {
|
| 1082 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, destination); |
| 1083 |
return;
|
| 1084 |
} |
| 1085 |
if (exists) {
|
| 1086 |
resp.sendError(HttpServletResponse.SC_CONFLICT, destination + " already exists");
|
| 1087 |
return;
|
| 1088 |
} |
| 1089 |
|
| 1090 |
try {
|
| 1091 |
final User dOwner = destOwner;
|
| 1092 |
final String dest = destination; |
| 1093 |
if (resource instanceof FolderDTO) { |
| 1094 |
final FolderDTO folder = (FolderDTO) resource;
|
| 1095 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 1096 |
@Override
|
| 1097 |
public Void call() throws Exception { |
| 1098 |
getService().moveFolderToPath(user.getId(), dOwner.getId(), folder.getId(), dest); |
| 1099 |
return null; |
| 1100 |
} |
| 1101 |
}); |
| 1102 |
} else {
|
| 1103 |
final FileHeaderDTO file = (FileHeaderDTO) resource;
|
| 1104 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 1105 |
@Override
|
| 1106 |
public Void call() throws Exception { |
| 1107 |
getService().moveFileToPath(user.getId(), dOwner.getId(), file.getId(), dest); |
| 1108 |
return null; |
| 1109 |
} |
| 1110 |
}); |
| 1111 |
|
| 1112 |
} |
| 1113 |
} catch (InsufficientPermissionsException e) {
|
| 1114 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1115 |
} catch (ObjectNotFoundException e) {
|
| 1116 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, e.getMessage()); |
| 1117 |
} catch (RpcException e) {
|
| 1118 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, destination); |
| 1119 |
} catch (DuplicateNameException e) {
|
| 1120 |
resp.sendError(HttpServletResponse.SC_CONFLICT, e.getMessage()); |
| 1121 |
} catch (GSSIOException e) {
|
| 1122 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage()); |
| 1123 |
} catch (QuotaExceededException e) {
|
| 1124 |
resp.sendError(HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE, e.getMessage()); |
| 1125 |
} catch (Exception e) { |
| 1126 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, destination); |
| 1127 |
} |
| 1128 |
} |
| 1129 |
|
| 1130 |
/**
|
| 1131 |
* Copy the resource in the specified path to the specified destination.
|
| 1132 |
*
|
| 1133 |
* @param req the HTTP request
|
| 1134 |
* @param resp the HTTP response
|
| 1135 |
* @param path the path of the resource
|
| 1136 |
* @param copyTo the destination of the copy procedure
|
| 1137 |
* @throws IOException if an input/output error occurs
|
| 1138 |
*/
|
| 1139 |
private void copyResource(HttpServletRequest req, HttpServletResponse resp, String path, String copyTo) throws IOException { |
| 1140 |
final User user = getUser(req);
|
| 1141 |
User owner = getOwner(req); |
| 1142 |
Object resource = null; |
| 1143 |
try {
|
| 1144 |
resource = getService().getResourceAtPath(owner.getId(), path, true);
|
| 1145 |
} catch (ObjectNotFoundException e) {
|
| 1146 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, path); |
| 1147 |
return;
|
| 1148 |
} catch (RpcException e) {
|
| 1149 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1150 |
return;
|
| 1151 |
} |
| 1152 |
|
| 1153 |
String destination = null; |
| 1154 |
User destOwner = null;
|
| 1155 |
boolean exists = true; |
| 1156 |
try {
|
| 1157 |
String destinationEncoded = getDestinationPath(req, encodePath(copyTo));
|
| 1158 |
destination = URLDecoder.decode(destinationEncoded, "UTF-8"); |
| 1159 |
destOwner = getDestinationOwner(req); |
| 1160 |
getService().getResourceAtPath(destOwner.getId(), destinationEncoded, true);
|
| 1161 |
} catch (ObjectNotFoundException e) {
|
| 1162 |
exists = false;
|
| 1163 |
} catch (URISyntaxException e) { |
| 1164 |
resp.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage()); |
| 1165 |
return;
|
| 1166 |
} catch (RpcException e) {
|
| 1167 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, destination); |
| 1168 |
return;
|
| 1169 |
} |
| 1170 |
if (exists) {
|
| 1171 |
resp.sendError(HttpServletResponse.SC_CONFLICT, destination + " already exists");
|
| 1172 |
return;
|
| 1173 |
} |
| 1174 |
|
| 1175 |
try {
|
| 1176 |
final User dOwner = destOwner;
|
| 1177 |
final String dest = destination; |
| 1178 |
if (resource instanceof FolderDTO) { |
| 1179 |
final FolderDTO folder = (FolderDTO) resource;
|
| 1180 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 1181 |
@Override
|
| 1182 |
public Void call() throws Exception { |
| 1183 |
getService().copyFolderStructureToPath(user.getId(), dOwner.getId(), folder.getId(), dest); |
| 1184 |
return null; |
| 1185 |
} |
| 1186 |
}); |
| 1187 |
} else {
|
| 1188 |
final FileHeaderDTO file = (FileHeaderDTO) resource;
|
| 1189 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 1190 |
@Override
|
| 1191 |
public Void call() throws Exception { |
| 1192 |
getService().copyFileToPath(user.getId(), dOwner.getId(), file.getId(), dest); |
| 1193 |
return null; |
| 1194 |
} |
| 1195 |
}); |
| 1196 |
} |
| 1197 |
} catch (InsufficientPermissionsException e) {
|
| 1198 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1199 |
} catch (ObjectNotFoundException e) {
|
| 1200 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, e.getMessage()); |
| 1201 |
} catch (RpcException e) {
|
| 1202 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, destination); |
| 1203 |
} catch (DuplicateNameException e) {
|
| 1204 |
resp.sendError(HttpServletResponse.SC_CONFLICT, e.getMessage()); |
| 1205 |
} catch (GSSIOException e) {
|
| 1206 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage()); |
| 1207 |
} catch (QuotaExceededException e) {
|
| 1208 |
resp.sendError(HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE, e.getMessage()); |
| 1209 |
} catch (Exception e) { |
| 1210 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, destination); |
| 1211 |
} |
| 1212 |
} |
| 1213 |
|
| 1214 |
private String encodePath(String path) throws UnsupportedEncodingException{ |
| 1215 |
StringTokenizer str = new StringTokenizer(path, "/:", true); |
| 1216 |
String result = new String(); |
| 1217 |
while(str.hasMoreTokens()){
|
| 1218 |
String token = str.nextToken();
|
| 1219 |
if(!token.equals("/") && !token.equals(":")) |
| 1220 |
token = URLEncoder.encode(token,"UTF-8"); |
| 1221 |
result = result + token; |
| 1222 |
} |
| 1223 |
return result;
|
| 1224 |
} |
| 1225 |
/**
|
| 1226 |
* A helper method that extracts the relative resource path,
|
| 1227 |
* after removing the 'files' namespace.
|
| 1228 |
* The path returned is <i>not</i> URL-decoded.
|
| 1229 |
*
|
| 1230 |
* @param req the HTTP request
|
| 1231 |
* @param path the specified path
|
| 1232 |
* @return the path relative to the root folder
|
| 1233 |
* @throws URISyntaxException
|
| 1234 |
* @throws RpcException in case an error occurs while communicating
|
| 1235 |
* with the backend
|
| 1236 |
* @throws UnsupportedEncodingException
|
| 1237 |
*/
|
| 1238 |
private String getDestinationPath(HttpServletRequest req, String path) throws URISyntaxException, RpcException, UnsupportedEncodingException { |
| 1239 |
URI uri = new URI(path); |
| 1240 |
String dest = uri.getRawPath();
|
| 1241 |
// Remove the context path from the destination URI.
|
| 1242 |
String contextPath = req.getContextPath();
|
| 1243 |
if (!dest.startsWith(contextPath))
|
| 1244 |
throw new URISyntaxException(dest, "Destination path does not start with " + contextPath); |
| 1245 |
dest = dest.substring(contextPath.length()); |
| 1246 |
// Remove the servlet path from the destination URI.
|
| 1247 |
String servletPath = req.getServletPath();
|
| 1248 |
if (!dest.startsWith(servletPath))
|
| 1249 |
throw new URISyntaxException(dest, "Destination path does not start with " + servletPath); |
| 1250 |
dest = dest.substring(servletPath.length()); |
| 1251 |
// Strip the username part
|
| 1252 |
if (dest.length() < 2) |
| 1253 |
throw new URISyntaxException(dest, "No username in the destination URI"); |
| 1254 |
int slash = dest.substring(1).indexOf('/'); |
| 1255 |
if (slash == -1) |
| 1256 |
throw new URISyntaxException(dest, "No username in the destination URI"); |
| 1257 |
// Decode the user to get the proper characters (mainly the @)
|
| 1258 |
String owner = URLDecoder.decode(dest.substring(1, slash + 1), "UTF-8"); |
| 1259 |
User o; |
| 1260 |
o = getService().findUser(owner); |
| 1261 |
if (o == null) |
| 1262 |
throw new URISyntaxException(dest, "User " + owner + " not found"); |
| 1263 |
|
| 1264 |
req.setAttribute(DESTINATION_OWNER_ATTRIBUTE, o); |
| 1265 |
dest = dest.substring(slash + 1);
|
| 1266 |
|
| 1267 |
// Chop the resource namespace part
|
| 1268 |
dest = dest.substring(RequestHandler.PATH_FILES.length()); |
| 1269 |
|
| 1270 |
dest = dest.endsWith("/")? dest: dest + '/'; |
| 1271 |
return dest;
|
| 1272 |
} |
| 1273 |
|
| 1274 |
/**
|
| 1275 |
* Move the resource in the specified path to the trash bin.
|
| 1276 |
*
|
| 1277 |
* @param req the HTTP request
|
| 1278 |
* @param resp the HTTP response
|
| 1279 |
* @param path the path of the resource
|
| 1280 |
* @throws IOException if an input/output error occurs
|
| 1281 |
*/
|
| 1282 |
private void trashResource(HttpServletRequest req, HttpServletResponse resp, String path) throws IOException { |
| 1283 |
final User user = getUser(req);
|
| 1284 |
User owner = getOwner(req); |
| 1285 |
Object resource = null; |
| 1286 |
try {
|
| 1287 |
resource = getService().getResourceAtPath(owner.getId(), path, true);
|
| 1288 |
} catch (ObjectNotFoundException e) {
|
| 1289 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, path); |
| 1290 |
return;
|
| 1291 |
} catch (RpcException e) {
|
| 1292 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1293 |
return;
|
| 1294 |
} |
| 1295 |
|
| 1296 |
try {
|
| 1297 |
if (resource instanceof FolderDTO) { |
| 1298 |
final FolderDTO folder = (FolderDTO) resource;
|
| 1299 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 1300 |
@Override
|
| 1301 |
public Void call() throws Exception { |
| 1302 |
getService().moveFolderToTrash(user.getId(), folder.getId()); |
| 1303 |
return null; |
| 1304 |
} |
| 1305 |
}); |
| 1306 |
} else {
|
| 1307 |
final FileHeaderDTO file = (FileHeaderDTO) resource;
|
| 1308 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 1309 |
@Override
|
| 1310 |
public Void call() throws Exception { |
| 1311 |
getService().moveFileToTrash(user.getId(), file.getId()); |
| 1312 |
return null; |
| 1313 |
} |
| 1314 |
}); |
| 1315 |
} |
| 1316 |
} catch (InsufficientPermissionsException e) {
|
| 1317 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1318 |
} catch (ObjectNotFoundException e) {
|
| 1319 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, e.getMessage()); |
| 1320 |
} catch (RpcException e) {
|
| 1321 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1322 |
} catch (Exception e) { |
| 1323 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1324 |
} |
| 1325 |
} |
| 1326 |
|
| 1327 |
/**
|
| 1328 |
* Restore the resource in the specified path from the trash bin.
|
| 1329 |
*
|
| 1330 |
* @param req the HTTP request
|
| 1331 |
* @param resp the HTTP response
|
| 1332 |
* @param path the path of the resource
|
| 1333 |
* @throws IOException if an input/output error occurs
|
| 1334 |
*/
|
| 1335 |
private void restoreResource(HttpServletRequest req, HttpServletResponse resp, String path) throws IOException { |
| 1336 |
final User user = getUser(req);
|
| 1337 |
User owner = getOwner(req); |
| 1338 |
Object resource = null; |
| 1339 |
try {
|
| 1340 |
resource = getService().getResourceAtPath(owner.getId(), path, false);
|
| 1341 |
} catch (ObjectNotFoundException e) {
|
| 1342 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, path); |
| 1343 |
return;
|
| 1344 |
} catch (RpcException e) {
|
| 1345 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1346 |
return;
|
| 1347 |
} |
| 1348 |
|
| 1349 |
try {
|
| 1350 |
if (resource instanceof FolderDTO) { |
| 1351 |
final FolderDTO folder = (FolderDTO) resource;
|
| 1352 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 1353 |
@Override
|
| 1354 |
public Void call() throws Exception { |
| 1355 |
getService().removeFolderFromTrash(user.getId(), folder.getId()); |
| 1356 |
return null; |
| 1357 |
} |
| 1358 |
}); |
| 1359 |
} else {
|
| 1360 |
final FileHeaderDTO file = (FileHeaderDTO) resource;
|
| 1361 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 1362 |
@Override
|
| 1363 |
public Void call() throws Exception { |
| 1364 |
getService().removeFileFromTrash(user.getId(), file.getId()); |
| 1365 |
return null; |
| 1366 |
} |
| 1367 |
}); |
| 1368 |
} |
| 1369 |
} catch (InsufficientPermissionsException e) {
|
| 1370 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1371 |
} catch (ObjectNotFoundException e) {
|
| 1372 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, e.getMessage()); |
| 1373 |
} catch (RpcException e) {
|
| 1374 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1375 |
} catch (Exception e) { |
| 1376 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1377 |
} |
| 1378 |
} |
| 1379 |
|
| 1380 |
/**
|
| 1381 |
* Update the resource in the specified path.
|
| 1382 |
*
|
| 1383 |
* @param req the HTTP request
|
| 1384 |
* @param resp the HTTP response
|
| 1385 |
* @param path the path of the resource
|
| 1386 |
* @throws IOException if an input/output error occurs
|
| 1387 |
*/
|
| 1388 |
private void updateResource(HttpServletRequest req, HttpServletResponse resp, String path) throws IOException { |
| 1389 |
final User user = getUser(req);
|
| 1390 |
User owner = getOwner(req); |
| 1391 |
Object resource = null; |
| 1392 |
|
| 1393 |
try {
|
| 1394 |
resource = getService().getResourceAtPath(owner.getId(), path, false);
|
| 1395 |
} catch (ObjectNotFoundException e) {
|
| 1396 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, path); |
| 1397 |
return;
|
| 1398 |
} catch (RpcException e) {
|
| 1399 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1400 |
return;
|
| 1401 |
} |
| 1402 |
StringBuffer input = new StringBuffer(); |
| 1403 |
JSONObject json = null;
|
| 1404 |
if (req.getContentType() != null && req.getContentType().startsWith("application/x-www-form-urlencoded")) |
| 1405 |
input.append(req.getParameter(RESOURCE_UPDATE_PARAMETER)); |
| 1406 |
else {
|
| 1407 |
// Assume application/json
|
| 1408 |
BufferedReader reader = new BufferedReader(new InputStreamReader(req.getInputStream(),"UTF-8")); |
| 1409 |
String line = null; |
| 1410 |
while ((line = reader.readLine()) != null) |
| 1411 |
input.append(line); |
| 1412 |
reader.close(); |
| 1413 |
} |
| 1414 |
try {
|
| 1415 |
json = new JSONObject(input.toString());
|
| 1416 |
if (logger.isDebugEnabled())
|
| 1417 |
logger.debug("JSON update: " + json);
|
| 1418 |
if (resource instanceof FolderDTO) { |
| 1419 |
final FolderDTO folder = (FolderDTO) resource;
|
| 1420 |
String name = json.optString("name"); |
| 1421 |
if (!name.isEmpty())
|
| 1422 |
try {
|
| 1423 |
name = URLDecoder.decode(name, "UTF-8"); |
| 1424 |
} catch (IllegalArgumentException e) { |
| 1425 |
resp.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage()); |
| 1426 |
return;
|
| 1427 |
} |
| 1428 |
JSONArray permissions = json.optJSONArray("permissions");
|
| 1429 |
Set<PermissionDTO> perms = null; |
| 1430 |
if (permissions != null) |
| 1431 |
perms = parsePermissions(user, permissions); |
| 1432 |
Boolean readForAll = null; |
| 1433 |
if (json.opt("readForAll") != null) |
| 1434 |
readForAll = json.optBoolean("readForAll");
|
| 1435 |
if (!name.isEmpty() || permissions != null || readForAll != null) { |
| 1436 |
final String fName = name.isEmpty()? null: name; |
| 1437 |
final Boolean freadForAll = readForAll; |
| 1438 |
final Set<PermissionDTO> fPerms = perms; |
| 1439 |
FolderDTO folderUpdated = new TransactionHelper<FolderDTO>().tryExecute(new Callable<FolderDTO>() { |
| 1440 |
@Override
|
| 1441 |
public FolderDTO call() throws Exception { |
| 1442 |
return getService().updateFolder(user.getId(), folder.getId(), fName, freadForAll, fPerms);
|
| 1443 |
} |
| 1444 |
|
| 1445 |
}); |
| 1446 |
resp.getWriter().println(getNewUrl(req, folderUpdated)); |
| 1447 |
} |
| 1448 |
} else {
|
| 1449 |
final FileHeaderDTO file = (FileHeaderDTO) resource;
|
| 1450 |
String name = null; |
| 1451 |
if (json.opt("name") != null) |
| 1452 |
name = json.optString("name");
|
| 1453 |
Long modificationDate = null; |
| 1454 |
if (json.optLong("modificationDate") != 0) |
| 1455 |
modificationDate = json.optLong("modificationDate");
|
| 1456 |
Boolean versioned = null; |
| 1457 |
if (json.opt("versioned") != null) |
| 1458 |
versioned = json.getBoolean("versioned");
|
| 1459 |
JSONArray tagset = json.optJSONArray("tags");
|
| 1460 |
String tags = null; |
| 1461 |
StringBuffer t = new StringBuffer(); |
| 1462 |
if (tagset != null) { |
| 1463 |
for (int i = 0; i < tagset.length(); i++) |
| 1464 |
t.append(tagset.getString(i) + ',');
|
| 1465 |
tags = t.toString(); |
| 1466 |
} |
| 1467 |
JSONArray permissions = json.optJSONArray("permissions");
|
| 1468 |
Set<PermissionDTO> perms = null; |
| 1469 |
if (permissions != null) |
| 1470 |
perms = parsePermissions(user, permissions); |
| 1471 |
Boolean readForAll = null; |
| 1472 |
if (json.opt("readForAll") != null) |
| 1473 |
readForAll = json.optBoolean("readForAll");
|
| 1474 |
if (name != null || tags != null || modificationDate != null |
| 1475 |
|| versioned != null || perms != null |
| 1476 |
|| readForAll != null) {
|
| 1477 |
final String fName = name; |
| 1478 |
final String fTags = tags; |
| 1479 |
final Date mDate = modificationDate != null? new Date(modificationDate): null; |
| 1480 |
final Boolean fVersioned = versioned; |
| 1481 |
final Boolean fReadForAll = readForAll; |
| 1482 |
final Set<PermissionDTO> fPerms = perms; |
| 1483 |
new TransactionHelper<Object>().tryExecute(new Callable<Object>() { |
| 1484 |
@Override
|
| 1485 |
public Object call() throws Exception { |
| 1486 |
getService().updateFile(user.getId(), file.getId(), |
| 1487 |
fName, fTags, mDate, fVersioned, |
| 1488 |
fReadForAll, fPerms); |
| 1489 |
return null; |
| 1490 |
} |
| 1491 |
|
| 1492 |
}); |
| 1493 |
} |
| 1494 |
} |
| 1495 |
} catch (JSONException e) {
|
| 1496 |
resp.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage()); |
| 1497 |
} catch (InsufficientPermissionsException e) {
|
| 1498 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1499 |
} catch (ObjectNotFoundException e) {
|
| 1500 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND, e.getMessage()); |
| 1501 |
} catch (DuplicateNameException e) {
|
| 1502 |
resp.sendError(HttpServletResponse.SC_CONFLICT, e.getMessage()); |
| 1503 |
} catch (RpcException e) {
|
| 1504 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1505 |
} catch (Exception e) { |
| 1506 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1507 |
return;
|
| 1508 |
} |
| 1509 |
} |
| 1510 |
|
| 1511 |
/**
|
| 1512 |
* Returns the new URL of an updated folder.
|
| 1513 |
*/
|
| 1514 |
private String getNewUrl(HttpServletRequest req, FolderDTO folder) throws UnsupportedEncodingException { |
| 1515 |
String parentUrl =URLDecoder.decode(getContextPath(req, true),"UTF-8"); |
| 1516 |
String fpath = URLDecoder.decode(req.getPathInfo(), "UTF-8"); |
| 1517 |
if (parentUrl.indexOf(fpath) != -1) |
| 1518 |
parentUrl = parentUrl.substring(0, parentUrl.indexOf(fpath));
|
| 1519 |
if(!parentUrl.endsWith("/")) |
| 1520 |
parentUrl = parentUrl+"/";
|
| 1521 |
parentUrl = parentUrl+folder.getOwner().getUsername()+PATH_FILES+folder.getPath(); |
| 1522 |
return parentUrl;
|
| 1523 |
} |
| 1524 |
|
| 1525 |
/**
|
| 1526 |
* Helper method to convert a JSON array of permissions into a set of
|
| 1527 |
* PermissionDTO objects.
|
| 1528 |
*
|
| 1529 |
* @param user the current user
|
| 1530 |
* @param permissions the JSON array to parse
|
| 1531 |
* @return the parsed set of permissions
|
| 1532 |
* @throws JSONException if there was an error parsing the JSON object
|
| 1533 |
* @throws RpcException if there was an error communicating with the EJB
|
| 1534 |
* @throws ObjectNotFoundException if the user could not be found
|
| 1535 |
* @throws UnsupportedEncodingException
|
| 1536 |
*/
|
| 1537 |
private Set<PermissionDTO> parsePermissions(User user, JSONArray permissions) |
| 1538 |
throws JSONException, RpcException, ObjectNotFoundException, UnsupportedEncodingException { |
| 1539 |
if (permissions == null) |
| 1540 |
return null; |
| 1541 |
Set<PermissionDTO> perms = new HashSet<PermissionDTO>(); |
| 1542 |
for (int i = 0; i < permissions.length(); i++) { |
| 1543 |
JSONObject j = permissions.getJSONObject(i); |
| 1544 |
PermissionDTO perm = new PermissionDTO();
|
| 1545 |
perm.setModifyACL(j.optBoolean("modifyACL"));
|
| 1546 |
perm.setRead(j.optBoolean("read"));
|
| 1547 |
perm.setWrite(j.optBoolean("write"));
|
| 1548 |
String permUser = j.optString("user"); |
| 1549 |
if (!permUser.isEmpty()) {
|
| 1550 |
User u = getService().findUser(permUser); |
| 1551 |
if (u == null) |
| 1552 |
throw new ObjectNotFoundException("User " + permUser + " not found"); |
| 1553 |
perm.setUser(u.getDTO()); |
| 1554 |
} |
| 1555 |
// 31/8/2009: Add optional groupUri which takes priority if it exists
|
| 1556 |
String permGroupUri = j.optString("groupUri"); |
| 1557 |
String permGroup = j.optString("group"); |
| 1558 |
if (!permGroupUri.isEmpty()) {
|
| 1559 |
String[] names = permGroupUri.split("/"); |
| 1560 |
String grp = URLDecoder.decode(names[names.length - 1], "UTF-8"); |
| 1561 |
String usr = URLDecoder.decode(names[names.length - 3], "UTF-8"); |
| 1562 |
User u = getService().findUser(usr); |
| 1563 |
if (u == null) |
| 1564 |
throw new ObjectNotFoundException("User " + permUser + " not found"); |
| 1565 |
GroupDTO g = getService().getGroup(u.getId(), grp); |
| 1566 |
perm.setGroup(g); |
| 1567 |
} |
| 1568 |
else if (!permGroup.isEmpty()) { |
| 1569 |
GroupDTO g = getService().getGroup(user.getId(), permGroup); |
| 1570 |
perm.setGroup(g); |
| 1571 |
} |
| 1572 |
if (permUser.isEmpty() && permGroupUri.isEmpty() && permGroup.isEmpty())
|
| 1573 |
throw new JSONException("A permission must correspond to either a user or a group"); |
| 1574 |
perms.add(perm); |
| 1575 |
} |
| 1576 |
return perms;
|
| 1577 |
} |
| 1578 |
|
| 1579 |
/**
|
| 1580 |
* Creates a new folder with the specified name under the folder in the provided path.
|
| 1581 |
*
|
| 1582 |
* @param req the HTTP request
|
| 1583 |
* @param resp the HTTP response
|
| 1584 |
* @param path the parent folder path
|
| 1585 |
* @param folderName the name of the new folder
|
| 1586 |
* @throws IOException if an input/output error occurs
|
| 1587 |
*/
|
| 1588 |
private void createFolder(HttpServletRequest req, HttpServletResponse resp, String path, final String folderName) throws IOException { |
| 1589 |
if (logger.isDebugEnabled())
|
| 1590 |
logger.debug("Creating folder " + folderName + " in '" + path); |
| 1591 |
|
| 1592 |
final User user = getUser(req);
|
| 1593 |
User owner = getOwner(req); |
| 1594 |
boolean exists = true; |
| 1595 |
try {
|
| 1596 |
getService().getResourceAtPath(owner.getId(), path + folderName, false);
|
| 1597 |
} catch (ObjectNotFoundException e) {
|
| 1598 |
exists = false;
|
| 1599 |
} catch (RpcException e) {
|
| 1600 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path + folderName); |
| 1601 |
return;
|
| 1602 |
} |
| 1603 |
|
| 1604 |
if (exists) {
|
| 1605 |
resp.addHeader("Allow", METHOD_GET + ", " + METHOD_DELETE + |
| 1606 |
", " + METHOD_HEAD);
|
| 1607 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1608 |
return;
|
| 1609 |
} |
| 1610 |
|
| 1611 |
Object parent;
|
| 1612 |
try {
|
| 1613 |
parent = getService().getResourceAtPath(owner.getId(), path, true);
|
| 1614 |
} catch (ObjectNotFoundException e) {
|
| 1615 |
resp.sendError(HttpServletResponse.SC_CONFLICT); |
| 1616 |
return;
|
| 1617 |
} catch (RpcException e) {
|
| 1618 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path + folderName); |
| 1619 |
return;
|
| 1620 |
} |
| 1621 |
try {
|
| 1622 |
if (parent instanceof FolderDTO) { |
| 1623 |
final FolderDTO folder = (FolderDTO) parent;
|
| 1624 |
FolderDTO newFolder = new TransactionHelper<FolderDTO>().tryExecute(new Callable<FolderDTO>() { |
| 1625 |
@Override
|
| 1626 |
public FolderDTO call() throws Exception { |
| 1627 |
return getService().createFolder(user.getId(), folder.getId(), folderName);
|
| 1628 |
} |
| 1629 |
|
| 1630 |
}); |
| 1631 |
String newResource = getApiRoot() + newFolder.getURI();
|
| 1632 |
resp.setHeader("Location", newResource);
|
| 1633 |
resp.setContentType("text/plain");
|
| 1634 |
PrintWriter out = resp.getWriter();
|
| 1635 |
out.println(newResource); |
| 1636 |
} else {
|
| 1637 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1638 |
return;
|
| 1639 |
} |
| 1640 |
} catch (DuplicateNameException e) {
|
| 1641 |
resp.sendError(HttpServletResponse.SC_CONFLICT); |
| 1642 |
return;
|
| 1643 |
} catch (InsufficientPermissionsException e) {
|
| 1644 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1645 |
return;
|
| 1646 |
} catch (ObjectNotFoundException e) {
|
| 1647 |
resp.sendError(HttpServletResponse.SC_CONFLICT); |
| 1648 |
return;
|
| 1649 |
} catch (RpcException e) {
|
| 1650 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path + folderName); |
| 1651 |
return;
|
| 1652 |
} catch (Exception e) { |
| 1653 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1654 |
return;
|
| 1655 |
} |
| 1656 |
resp.setStatus(HttpServletResponse.SC_CREATED); |
| 1657 |
} |
| 1658 |
|
| 1659 |
/**
|
| 1660 |
* @param req
|
| 1661 |
* @param resp
|
| 1662 |
* @throws IOException
|
| 1663 |
* @throws FileNotFoundException
|
| 1664 |
*/
|
| 1665 |
void putResource(HttpServletRequest req, HttpServletResponse resp) throws IOException, FileNotFoundException { |
| 1666 |
String path = getInnerPath(req, PATH_FILES);
|
| 1667 |
try {
|
| 1668 |
path = URLDecoder.decode(path, "UTF-8"); |
| 1669 |
} catch (IllegalArgumentException e) { |
| 1670 |
resp.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage()); |
| 1671 |
return;
|
| 1672 |
} |
| 1673 |
if (logger.isDebugEnabled())
|
| 1674 |
logger.debug("Updating resource: " + path);
|
| 1675 |
|
| 1676 |
final User user = getUser(req);
|
| 1677 |
User owner = getOwner(req); |
| 1678 |
boolean exists = true; |
| 1679 |
Object resource = null; |
| 1680 |
FileHeaderDTO file = null;
|
| 1681 |
try {
|
| 1682 |
resource = getService().getResourceAtPath(owner.getId(), path, false);
|
| 1683 |
} catch (ObjectNotFoundException e) {
|
| 1684 |
exists = false;
|
| 1685 |
} catch (RpcException e) {
|
| 1686 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1687 |
return;
|
| 1688 |
} |
| 1689 |
|
| 1690 |
if (exists)
|
| 1691 |
if (resource instanceof FileHeaderDTO) |
| 1692 |
file = (FileHeaderDTO) resource; |
| 1693 |
else {
|
| 1694 |
resp.sendError(HttpServletResponse.SC_CONFLICT, path + " is a folder");
|
| 1695 |
return;
|
| 1696 |
} |
| 1697 |
boolean result = true; |
| 1698 |
|
| 1699 |
// Temporary content file used to support partial PUT.
|
| 1700 |
File contentFile = null; |
| 1701 |
|
| 1702 |
Range range = parseContentRange(req, resp); |
| 1703 |
|
| 1704 |
InputStream resourceInputStream = null; |
| 1705 |
|
| 1706 |
// Append data specified in ranges to existing content for this
|
| 1707 |
// resource - create a temporary file on the local filesystem to
|
| 1708 |
// perform this operation.
|
| 1709 |
// Assume just one range is specified for now
|
| 1710 |
if (range != null) { |
| 1711 |
try {
|
| 1712 |
contentFile = executePartialPut(req, range, path); |
| 1713 |
} catch (RpcException e) {
|
| 1714 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1715 |
return;
|
| 1716 |
} catch (ObjectNotFoundException e) {
|
| 1717 |
resp.sendError(HttpServletResponse.SC_CONFLICT); |
| 1718 |
return;
|
| 1719 |
} catch (InsufficientPermissionsException e) {
|
| 1720 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1721 |
return;
|
| 1722 |
} |
| 1723 |
resourceInputStream = new FileInputStream(contentFile); |
| 1724 |
} else
|
| 1725 |
resourceInputStream = req.getInputStream(); |
| 1726 |
|
| 1727 |
try {
|
| 1728 |
FolderDTO folder = null;
|
| 1729 |
Object parent = getService().getResourceAtPath(owner.getId(), getParentPath(path), true); |
| 1730 |
if (!(parent instanceof FolderDTO)) { |
| 1731 |
resp.sendError(HttpServletResponse.SC_CONFLICT); |
| 1732 |
return;
|
| 1733 |
} |
| 1734 |
folder = (FolderDTO) parent; |
| 1735 |
final String name = getLastElement(path); |
| 1736 |
final String mimeType = context.getMimeType(name); |
| 1737 |
File uploadedFile = null; |
| 1738 |
try {
|
| 1739 |
uploadedFile = getService().uploadFile(resourceInputStream, user.getId()); |
| 1740 |
} catch (IOException ex) { |
| 1741 |
throw new GSSIOException(ex, false); |
| 1742 |
} |
| 1743 |
FileHeaderDTO fileDTO = null;
|
| 1744 |
final File uploadedf = uploadedFile; |
| 1745 |
final FolderDTO parentf = folder;
|
| 1746 |
final FileHeaderDTO f = file;
|
| 1747 |
if (exists)
|
| 1748 |
fileDTO = new TransactionHelper<FileHeaderDTO>().tryExecute(new Callable<FileHeaderDTO>() { |
| 1749 |
@Override
|
| 1750 |
public FileHeaderDTO call() throws Exception { |
| 1751 |
return getService().updateFileContents(user.getId(), f.getId(), mimeType, uploadedf.getCanonicalFile().length(), uploadedf.getAbsolutePath());
|
| 1752 |
} |
| 1753 |
}); |
| 1754 |
else
|
| 1755 |
fileDTO = new TransactionHelper<FileHeaderDTO>().tryExecute(new Callable<FileHeaderDTO>() { |
| 1756 |
@Override
|
| 1757 |
public FileHeaderDTO call() throws Exception { |
| 1758 |
return getService().createFile(user.getId(), parentf.getId(), name, mimeType, uploadedf.getCanonicalFile().length(), uploadedf.getAbsolutePath());
|
| 1759 |
} |
| 1760 |
|
| 1761 |
}); |
| 1762 |
updateAccounting(owner, new Date(), fileDTO.getFileSize()); |
| 1763 |
getService().removeFileUploadProgress(user.getId(), fileDTO.getName()); |
| 1764 |
} catch(ObjectNotFoundException e) {
|
| 1765 |
result = false;
|
| 1766 |
} catch (RpcException e) {
|
| 1767 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1768 |
return;
|
| 1769 |
} catch (IOException e) { |
| 1770 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1771 |
return;
|
| 1772 |
} catch (GSSIOException e) {
|
| 1773 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1774 |
return;
|
| 1775 |
} catch (DuplicateNameException e) {
|
| 1776 |
resp.sendError(HttpServletResponse.SC_CONFLICT); |
| 1777 |
return;
|
| 1778 |
} catch (InsufficientPermissionsException e) {
|
| 1779 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1780 |
return;
|
| 1781 |
} catch (QuotaExceededException e) {
|
| 1782 |
resp.sendError(HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE, e.getMessage()); |
| 1783 |
return;
|
| 1784 |
} catch (Exception e) { |
| 1785 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path); |
| 1786 |
return;
|
| 1787 |
} |
| 1788 |
|
| 1789 |
if (result) {
|
| 1790 |
if (exists)
|
| 1791 |
resp.setStatus(HttpServletResponse.SC_NO_CONTENT); |
| 1792 |
else
|
| 1793 |
resp.setStatus(HttpServletResponse.SC_CREATED); |
| 1794 |
} else
|
| 1795 |
resp.sendError(HttpServletResponse.SC_CONFLICT); |
| 1796 |
} |
| 1797 |
|
| 1798 |
/**
|
| 1799 |
* Delete a resource.
|
| 1800 |
*
|
| 1801 |
* @param req The servlet request we are processing
|
| 1802 |
* @param resp The servlet response we are processing
|
| 1803 |
* @throws IOException if the response cannot be sent
|
| 1804 |
*/
|
| 1805 |
void deleteResource(HttpServletRequest req, HttpServletResponse resp) throws IOException { |
| 1806 |
String path = getInnerPath(req, PATH_FILES);
|
| 1807 |
if (logger.isDebugEnabled())
|
| 1808 |
logger.debug("Deleting resource '" + path);
|
| 1809 |
path = URLDecoder.decode(path, "UTF-8"); |
| 1810 |
final User user = getUser(req);
|
| 1811 |
User owner = getOwner(req); |
| 1812 |
boolean exists = true; |
| 1813 |
Object object = null; |
| 1814 |
try {
|
| 1815 |
object = getService().getResourceAtPath(owner.getId(), path, false);
|
| 1816 |
} catch (ObjectNotFoundException e) {
|
| 1817 |
exists = false;
|
| 1818 |
} catch (RpcException e) {
|
| 1819 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| 1820 |
return;
|
| 1821 |
} |
| 1822 |
|
| 1823 |
if (!exists) {
|
| 1824 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 1825 |
return;
|
| 1826 |
} |
| 1827 |
|
| 1828 |
FolderDTO folder = null;
|
| 1829 |
FileHeaderDTO file = null;
|
| 1830 |
if (object instanceof FolderDTO) |
| 1831 |
folder = (FolderDTO) object; |
| 1832 |
else
|
| 1833 |
file = (FileHeaderDTO) object; |
| 1834 |
|
| 1835 |
if (file != null) |
| 1836 |
try {
|
| 1837 |
final FileHeaderDTO f = file;
|
| 1838 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 1839 |
@Override
|
| 1840 |
public Void call() throws Exception { |
| 1841 |
getService().deleteFile(user.getId(), f.getId()); |
| 1842 |
return null; |
| 1843 |
} |
| 1844 |
}); |
| 1845 |
} catch (InsufficientPermissionsException e) {
|
| 1846 |
resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1847 |
return;
|
| 1848 |
} catch (ObjectNotFoundException e) {
|
| 1849 |
// Although we had already found the object, it was
|
| 1850 |
// probably deleted from another thread.
|
| 1851 |
resp.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 1852 |
return;
|
| 1853 |
} catch (RpcException e) {
|
| 1854 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| 1855 |
return;
|
| 1856 |
} catch (Exception e) { |
| 1857 |
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| 1858 |
return;
|
| 1859 |
} |
| 1860 |
else if (folder != null) |
| 1861 |
try {
|
| 1862 |
final FolderDTO fo = folder;
|
| 1863 |
new TransactionHelper<Void>().tryExecute(new Callable<Void>() { |
| 1864 |
@Override
|
| 1865 |
public Void call() throws Exception { |
| 1866 |
getService().deleteFolder(user.getId(), fo.getId()); |
| 1867 |
return null; |
| 1868 |
} |
| 1869 |
}); |
| 1870 |
} catch (InsufficientPermissionsException e) {
|
| 1871 |
resp.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
| 1872 |
return;
|
| 1873 |
} catch (ObjectNotFoundException e) {
|
| 1874 |
resp.setStatus(HttpServletResponse.SC_NOT_FOUND); |
| 1875 |
return;
|
| 1876 |
} catch (RpcException e) {
|
| 1877 |
resp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| 1878 |
return;
|
| 1879 |
} catch (Exception e) { |
| 1880 |
resp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| 1881 |
return;
|
| 1882 |
} |
| 1883 |
resp.setStatus(HttpServletResponse.SC_NO_CONTENT); |
| 1884 |
return;
|
| 1885 |
} |
| 1886 |
|
| 1887 |
/**
|
| 1888 |
* Return an InputStream to a JSON representation of the contents
|
| 1889 |
* of this directory.
|
| 1890 |
*
|
| 1891 |
* @param user the user that made the request
|
| 1892 |
* @param folder the specified directory
|
| 1893 |
* @return an input stream with the rendered contents
|
| 1894 |
* @throws IOException if the response cannot be sent
|
| 1895 |
* @throws ServletException
|
| 1896 |
* @throws InsufficientPermissionsException if the user does not have
|
| 1897 |
* the necessary privileges to read the directory
|
| 1898 |
*/
|
| 1899 |
private InputStream renderJson(User user, FolderDTO folder) throws IOException, |
| 1900 |
ServletException, InsufficientPermissionsException {
|
| 1901 |
JSONObject json = new JSONObject();
|
| 1902 |
try {
|
| 1903 |
json.put("name", folder.getName()).
|
| 1904 |
put("owner", folder.getOwner().getUsername()).
|
| 1905 |
put("createdBy", folder.getAuditInfo().getCreatedBy().getUsername()).
|
| 1906 |
put("creationDate", folder.getAuditInfo().getCreationDate().getTime()).
|
| 1907 |
put("deleted", folder.isDeleted()).
|
| 1908 |
put("readForAll", folder.isReadForAll());
|
| 1909 |
|
| 1910 |
if (folder.getAuditInfo().getModifiedBy() != null) |
| 1911 |
json.put("modifiedBy", folder.getAuditInfo().getModifiedBy().getUsername()).
|
| 1912 |
put("modificationDate", folder.getAuditInfo().getModificationDate().getTime());
|
| 1913 |
if (folder.getParent() != null) { |
| 1914 |
JSONObject j = new JSONObject();
|
| 1915 |
j.put("uri", getApiRoot() + folder.getParent().getURI());
|
| 1916 |
j.put("name", folder.getParent().getName());
|
| 1917 |
json.put("parent", j);
|
| 1918 |
} |
| 1919 |
List<JSONObject> subfolders = new ArrayList<JSONObject>(); |
| 1920 |
for (FolderDTO f: folder.getSubfolders())
|
| 1921 |
if (!f.isDeleted()) {
|
| 1922 |
JSONObject j = new JSONObject();
|
| 1923 |
j.put("name", f.getName()).
|
| 1924 |
put("uri", getApiRoot() + f.getURI());
|
| 1925 |
subfolders.add(j); |
| 1926 |
} |
| 1927 |
json.put("folders", subfolders);
|
| 1928 |
List<JSONObject> files = new ArrayList<JSONObject>(); |
| 1929 |
List<FileHeaderDTO> fileHeaders = getService().getFiles(user.getId(), folder.getId(), false); |
| 1930 |
for (FileHeaderDTO f: fileHeaders) {
|
| 1931 |
JSONObject j = new JSONObject();
|
| 1932 |
j.put("name", f.getName()).
|
| 1933 |
put("owner", f.getOwner().getUsername()).
|
| 1934 |
put("deleted", f.isDeleted()).
|
| 1935 |
put("version", f.getVersion()).
|
| 1936 |
put("content", f.getMimeType()).
|
| 1937 |
put("size", f.getFileSize()).
|
| 1938 |
put("creationDate", f.getAuditInfo().getCreationDate().getTime()).
|
| 1939 |
put("path", f.getFolder().getPath()).
|
| 1940 |
put("uri", getApiRoot() + f.getURI());
|
| 1941 |
if (f.getAuditInfo().getModificationDate() != null) |
| 1942 |
j.put("modificationDate", f.getAuditInfo().getModificationDate().getTime());
|
| 1943 |
files.add(j); |
| 1944 |
} |
| 1945 |
json.put("files", files);
|
| 1946 |
Set<PermissionDTO> perms = getService().getFolderPermissions(user.getId(), folder.getId());
|
| 1947 |
json.put("permissions", renderJson(perms));
|
| 1948 |
} catch (JSONException e) {
|
| 1949 |
throw new ServletException(e); |
| 1950 |
} catch (ObjectNotFoundException e) {
|
| 1951 |
throw new ServletException(e); |
| 1952 |
} catch (RpcException e) {
|
| 1953 |
throw new ServletException(e); |
| 1954 |
} |
| 1955 |
|
| 1956 |
// Prepare a writer to a buffered area
|
| 1957 |
ByteArrayOutputStream stream = new ByteArrayOutputStream(); |
| 1958 |
OutputStreamWriter osWriter = new OutputStreamWriter(stream, "UTF8"); |
| 1959 |
PrintWriter writer = new PrintWriter(osWriter); |
| 1960 |
|
| 1961 |
// Return an input stream to the underlying bytes
|
| 1962 |
writer.write(json.toString()); |
| 1963 |
writer.flush(); |
| 1964 |
return new ByteArrayInputStream(stream.toByteArray()); |
| 1965 |
} |
| 1966 |
|
| 1967 |
/**
|
| 1968 |
* Return a String with a JSON representation of the metadata
|
| 1969 |
* of the specified folder.
|
| 1970 |
* @throws RpcException
|
| 1971 |
* @throws InsufficientPermissionsException
|
| 1972 |
* @throws ObjectNotFoundException
|
| 1973 |
*/
|
| 1974 |
private String renderJsonMetadata(User user, FolderDTO folder) |
| 1975 |
throws ServletException, InsufficientPermissionsException {
|
| 1976 |
// Check if the user has read permission.
|
| 1977 |
try {
|
| 1978 |
if (!getService().canReadFolder(user.getId(), folder.getId()))
|
| 1979 |
throw new InsufficientPermissionsException(); |
| 1980 |
} catch (ObjectNotFoundException e) {
|
| 1981 |
throw new ServletException(e); |
| 1982 |
} catch (RpcException e) {
|
| 1983 |
throw new ServletException(e); |
| 1984 |
} |
| 1985 |
|
| 1986 |
JSONObject json = new JSONObject();
|
| 1987 |
try {
|
| 1988 |
json.put("name", folder.getName()).
|
| 1989 |
put("owner", folder.getOwner().getUsername()).
|
| 1990 |
put("createdBy", folder.getAuditInfo().getCreatedBy().getUsername()).
|
| 1991 |
put("creationDate", folder.getAuditInfo().getCreationDate().getTime()).
|
| 1992 |
put("deleted", folder.isDeleted());
|
| 1993 |
if (folder.getAuditInfo().getModifiedBy() != null) |
| 1994 |
json.put("modifiedBy", folder.getAuditInfo().getModifiedBy().getUsername()).
|
| 1995 |
put("modificationDate", folder.getAuditInfo().getModificationDate().getTime());
|
| 1996 |
} catch (JSONException e) {
|
| 1997 |
throw new ServletException(e); |
| 1998 |
} |
| 1999 |
return json.toString();
|
| 2000 |
} |
| 2001 |
|
| 2002 |
/**
|
| 2003 |
* Return a String with a JSON representation of the metadata
|
| 2004 |
* of the specified file. If an old file body is provided, then
|
| 2005 |
* the metadata of that particular version will be returned.
|
| 2006 |
*
|
| 2007 |
* @param user the user that made the request
|
| 2008 |
* @param file the specified file header
|
| 2009 |
* @param oldBody the version number
|
| 2010 |
* @return the JSON-encoded file
|
| 2011 |
* @throws ServletException
|
| 2012 |
* @throws InsufficientPermissionsException if the user does not have
|
| 2013 |
* the necessary privileges to read the directory
|
| 2014 |
*/
|
| 2015 |
private String renderJson(User user, FileHeaderDTO file, FileBodyDTO oldBody) |
| 2016 |
throws ServletException, InsufficientPermissionsException {
|
| 2017 |
JSONObject json = new JSONObject();
|
| 2018 |
try {
|
| 2019 |
// Need to encode file name in order to properly display it in the web client.
|
| 2020 |
json.put("name", URLEncoder.encode(file.getName(),"UTF-8")). |
| 2021 |
put("owner", file.getOwner().getUsername()).
|
| 2022 |
put("versioned", file.isVersioned()).
|
| 2023 |
put("version", oldBody != null ? oldBody.getVersion() : file.getVersion()). |
| 2024 |
put("readForAll", file.isReadForAll()).
|
| 2025 |
put("tags", renderJson(file.getTags())).
|
| 2026 |
put("path", file.getFolder().getPath()).
|
| 2027 |
put("uri", getApiRoot() + file.getURI()).
|
| 2028 |
put("deleted", file.isDeleted());
|
| 2029 |
JSONObject j = new JSONObject();
|
| 2030 |
j.put("uri", getApiRoot() + file.getFolder().getURI()).
|
| 2031 |
put("name", URLEncoder.encode(file.getFolder().getName(),"UTF-8")); |
| 2032 |
json.put("folder", j);
|
| 2033 |
if (oldBody != null) |
| 2034 |
json.put("createdBy", oldBody.getAuditInfo().getCreatedBy().getUsername()).
|
| 2035 |
put("creationDate", oldBody.getAuditInfo().getCreationDate().getTime()).
|
| 2036 |
put("modifiedBy", oldBody.getAuditInfo().getModifiedBy().getUsername()).
|
| 2037 |
put("modificationDate", oldBody.getAuditInfo().getModificationDate().getTime()).
|
| 2038 |
put("content", oldBody.getMimeType()).
|
| 2039 |
put("size", oldBody.getFileSize());
|
| 2040 |
else
|
| 2041 |
json.put("createdBy", file.getAuditInfo().getCreatedBy().getUsername()).
|
| 2042 |
put("creationDate", file.getAuditInfo().getCreationDate().getTime()).
|
| 2043 |
put("modifiedBy", file.getAuditInfo().getModifiedBy().getUsername()).
|
| 2044 |
put("modificationDate", file.getAuditInfo().getModificationDate().getTime()).
|
| 2045 |
put("content", file.getMimeType()).
|
| 2046 |
put("size", file.getFileSize());
|
| 2047 |
Set<PermissionDTO> perms = getService().getFilePermissions(user.getId(), file.getId());
|
| 2048 |
json.put("permissions", renderJson(perms));
|
| 2049 |
} catch (JSONException e) {
|
| 2050 |
throw new ServletException(e); |
| 2051 |
} catch (ObjectNotFoundException e) {
|
| 2052 |
throw new ServletException(e); |
| 2053 |
} catch (RpcException e) {
|
| 2054 |
throw new ServletException(e); |
| 2055 |
} catch (UnsupportedEncodingException e) { |
| 2056 |
throw new ServletException(e); |
| 2057 |
} |
| 2058 |
|
| 2059 |
return json.toString();
|
| 2060 |
} |
| 2061 |
|
| 2062 |
/**
|
| 2063 |
* Return a String with a JSON representation of the
|
| 2064 |
* specified set of permissions.
|
| 2065 |
*
|
| 2066 |
* @param permissions the set of permissions
|
| 2067 |
* @return the JSON-encoded object
|
| 2068 |
* @throws JSONException
|
| 2069 |
* @throws UnsupportedEncodingException
|
| 2070 |
*/
|
| 2071 |
private JSONArray renderJson(Set<PermissionDTO> permissions) throws JSONException, UnsupportedEncodingException { |
| 2072 |
JSONArray perms = new JSONArray();
|
| 2073 |
for (PermissionDTO p: permissions) {
|
| 2074 |
JSONObject permission = new JSONObject();
|
| 2075 |
permission.put("read", p.hasRead()).put("write", p.hasWrite()).put("modifyACL", p.hasModifyACL()); |
| 2076 |
if (p.getUser() != null) |
| 2077 |
permission.put("user", p.getUser().getUsername());
|
| 2078 |
if (p.getGroup() != null) { |
| 2079 |
GroupDTO group = p.getGroup(); |
| 2080 |
permission.put("groupUri", getApiRoot() + group.getOwner().getUsername() + PATH_GROUPS + "/" + URLEncoder.encode(group.getName(),"UTF-8")); |
| 2081 |
permission.put("group", URLEncoder.encode(p.getGroup().getName(),"UTF-8")); |
| 2082 |
} |
| 2083 |
perms.put(permission); |
| 2084 |
} |
| 2085 |
return perms;
|
| 2086 |
} |
| 2087 |
|
| 2088 |
/**
|
| 2089 |
* Return a String with a JSON representation of the
|
| 2090 |
* specified collection of tags.
|
| 2091 |
*
|
| 2092 |
* @param tags the collection of tags
|
| 2093 |
* @return the JSON-encoded object
|
| 2094 |
* @throws JSONException
|
| 2095 |
* @throws UnsupportedEncodingException
|
| 2096 |
*/
|
| 2097 |
private JSONArray renderJson(Collection<String> tags) throws JSONException, UnsupportedEncodingException { |
| 2098 |
JSONArray tagArray = new JSONArray();
|
| 2099 |
for (String t: tags) |
| 2100 |
tagArray.put(URLEncoder.encode(t,"UTF-8")); |
| 2101 |
return tagArray;
|
| 2102 |
} |
| 2103 |
|
| 2104 |
/**
|
| 2105 |
* Retrieves the user who owns the destination namespace, for a
|
| 2106 |
* copy or move request.
|
| 2107 |
*
|
| 2108 |
* @param req the HTTP request
|
| 2109 |
* @return the owner of the namespace
|
| 2110 |
*/
|
| 2111 |
protected User getDestinationOwner(HttpServletRequest req) {
|
| 2112 |
return (User) req.getAttribute(DESTINATION_OWNER_ATTRIBUTE);
|
| 2113 |
} |
| 2114 |
|
| 2115 |
/**
|
| 2116 |
* A helper inner class for updating the progress status of a file upload.
|
| 2117 |
*
|
| 2118 |
* @author kman
|
| 2119 |
*/
|
| 2120 |
public static class StatusProgressListener implements ProgressListener { |
| 2121 |
private int percentLogged = 0; |
| 2122 |
private long bytesTransferred = 0; |
| 2123 |
|
| 2124 |
private long fileSize = -100; |
| 2125 |
|
| 2126 |
private Long userId; |
| 2127 |
|
| 2128 |
private String filename; |
| 2129 |
|
| 2130 |
private ExternalAPI service;
|
| 2131 |
|
| 2132 |
public StatusProgressListener(ExternalAPI aService) {
|
| 2133 |
service = aService; |
| 2134 |
} |
| 2135 |
|
| 2136 |
/**
|
| 2137 |
* Modify the userId.
|
| 2138 |
*
|
| 2139 |
* @param aUserId the userId to set
|
| 2140 |
*/
|
| 2141 |
public void setUserId(Long aUserId) { |
| 2142 |
userId = aUserId; |
| 2143 |
} |
| 2144 |
|
| 2145 |
/**
|
| 2146 |
* Modify the filename.
|
| 2147 |
*
|
| 2148 |
* @param aFilename the filename to set
|
| 2149 |
*/
|
| 2150 |
public void setFilename(String aFilename) { |
| 2151 |
filename = aFilename; |
| 2152 |
} |
| 2153 |
|
| 2154 |
@Override
|
| 2155 |
public void update(long bytesRead, long contentLength, int items) { |
| 2156 |
//monitoring per percent of bytes uploaded
|
| 2157 |
bytesTransferred = bytesRead; |
| 2158 |
if (fileSize != contentLength)
|
| 2159 |
fileSize = contentLength; |
| 2160 |
int percent = new Long(bytesTransferred * 100 / fileSize).intValue(); |
| 2161 |
|
| 2162 |
if (percent < 5 || percent % TRACK_PROGRESS_PERCENT == 0 ) |
| 2163 |
if (percent != percentLogged){
|
| 2164 |
percentLogged = percent; |
| 2165 |
try {
|
| 2166 |
if (userId != null && filename != null) |
| 2167 |
service.createFileUploadProgress(userId, filename, bytesTransferred, fileSize); |
| 2168 |
} catch (ObjectNotFoundException e) {
|
| 2169 |
// Swallow the exception since it is going to be caught
|
| 2170 |
// by previously called methods
|
| 2171 |
} |
| 2172 |
} |
| 2173 |
} |
| 2174 |
} |
| 2175 |
/**
|
| 2176 |
* Return an InputStream to an HTML representation of the contents of this
|
| 2177 |
* directory.
|
| 2178 |
*
|
| 2179 |
* @param contextPath Context path to which our internal paths are relative
|
| 2180 |
* @param path the requested path to the resource
|
| 2181 |
* @param folder the specified directory
|
| 2182 |
* @param req the HTTP request
|
| 2183 |
* @return an input stream with the rendered contents
|
| 2184 |
* @throws IOException
|
| 2185 |
* @throws ServletException
|
| 2186 |
*/
|
| 2187 |
private InputStream renderHtml(String contextPath, String path, FolderDTO folder, User user) throws IOException, ServletException { |
| 2188 |
String name = folder.getName();
|
| 2189 |
// Prepare a writer to a buffered area
|
| 2190 |
ByteArrayOutputStream stream = new ByteArrayOutputStream(); |
| 2191 |
OutputStreamWriter osWriter = new OutputStreamWriter(stream, "UTF8"); |
| 2192 |
PrintWriter writer = new PrintWriter(osWriter); |
| 2193 |
StringBuffer sb = new StringBuffer(); |
| 2194 |
// rewriteUrl(contextPath) is expensive. cache result for later reuse
|
| 2195 |
String rewrittenContextPath = rewriteUrl(contextPath);
|
| 2196 |
// Render the page header
|
| 2197 |
sb.append("<html>\r\n");
|
| 2198 |
sb.append("<head>\r\n");
|
| 2199 |
sb.append("<title>");
|
| 2200 |
sb.append("Index of " + name);
|
| 2201 |
sb.append("</title>\r\n");
|
| 2202 |
sb.append("<STYLE><!--");
|
| 2203 |
sb.append(GSS_CSS); |
| 2204 |
sb.append("--></STYLE> ");
|
| 2205 |
sb.append("</head>\r\n");
|
| 2206 |
sb.append("<body>");
|
| 2207 |
sb.append("<h1>");
|
| 2208 |
sb.append("Index of " + name);
|
| 2209 |
|
| 2210 |
// Render the link to our parent (if required)
|
| 2211 |
String parentDirectory = path;
|
| 2212 |
if (parentDirectory.endsWith("/")) |
| 2213 |
parentDirectory = parentDirectory.substring(0, parentDirectory.length() - 1); |
| 2214 |
int slash = parentDirectory.lastIndexOf('/'); |
| 2215 |
if (slash >= 0) { |
| 2216 |
String parent = path.substring(0, slash); |
| 2217 |
sb.append(" - <a href=\"");
|
| 2218 |
sb.append(rewrittenContextPath); |
| 2219 |
if (parent.equals("")) |
| 2220 |
parent = "/";
|
| 2221 |
sb.append(rewriteUrl(parent)); |
| 2222 |
if (!parent.endsWith("/")) |
| 2223 |
sb.append("/");
|
| 2224 |
sb.append("\">");
|
| 2225 |
sb.append("<b>");
|
| 2226 |
sb.append("Up To " + parent);
|
| 2227 |
sb.append("</b>");
|
| 2228 |
sb.append("</a>");
|
| 2229 |
} |
| 2230 |
|
| 2231 |
sb.append("</h1>");
|
| 2232 |
sb.append("<HR size=\"1\" noshade=\"noshade\">");
|
| 2233 |
|
| 2234 |
sb.append("<table width=\"100%\" cellspacing=\"0\"" + " cellpadding=\"5\" align=\"center\">\r\n"); |
| 2235 |
|
| 2236 |
// Render the column headings
|
| 2237 |
sb.append("<tr>\r\n");
|
| 2238 |
sb.append("<td align=\"left\"><font size=\"+1\"><strong>");
|
| 2239 |
sb.append("Name");
|
| 2240 |
sb.append("</strong></font></td>\r\n");
|
| 2241 |
sb.append("<td align=\"center\"><font size=\"+1\"><strong>");
|
| 2242 |
sb.append("Size");
|
| 2243 |
sb.append("</strong></font></td>\r\n");
|
| 2244 |
sb.append("<td align=\"right\"><font size=\"+1\"><strong>");
|
| 2245 |
sb.append("Last modified");
|
| 2246 |
sb.append("</strong></font></td>\r\n");
|
| 2247 |
sb.append("</tr>");
|
| 2248 |
// Render the directory entries within this directory
|
| 2249 |
boolean shade = false; |
| 2250 |
Iterator iter = folder.getSubfolders().iterator();
|
| 2251 |
while (iter.hasNext()) {
|
| 2252 |
FolderDTO subf = (FolderDTO) iter.next(); |
| 2253 |
String resourceName = subf.getName();
|
| 2254 |
if (resourceName.equalsIgnoreCase("WEB-INF") || resourceName.equalsIgnoreCase("META-INF")) |
| 2255 |
continue;
|
| 2256 |
|
| 2257 |
sb.append("<tr");
|
| 2258 |
if (shade)
|
| 2259 |
sb.append(" bgcolor=\"#eeeeee\"");
|
| 2260 |
sb.append(">\r\n");
|
| 2261 |
shade = !shade; |
| 2262 |
|
| 2263 |
sb.append("<td align=\"left\"> \r\n");
|
| 2264 |
sb.append("<a href=\"");
|
| 2265 |
sb.append(rewrittenContextPath); |
| 2266 |
sb.append(rewriteUrl(path + resourceName)); |
| 2267 |
sb.append("/");
|
| 2268 |
sb.append("\"><tt>");
|
| 2269 |
sb.append(RequestUtil.filter(resourceName)); |
| 2270 |
sb.append("/");
|
| 2271 |
sb.append("</tt></a></td>\r\n");
|
| 2272 |
|
| 2273 |
sb.append("<td align=\"right\"><tt>");
|
| 2274 |
sb.append(" ");
|
| 2275 |
sb.append("</tt></td>\r\n");
|
| 2276 |
|
| 2277 |
sb.append("<td align=\"right\"><tt>");
|
| 2278 |
sb.append(getLastModifiedHttp(folder.getAuditInfo())); |
| 2279 |
sb.append("</tt></td>\r\n");
|
| 2280 |
|
| 2281 |
sb.append("</tr>\r\n");
|
| 2282 |
} |
| 2283 |
List<FileHeaderDTO> files;
|
| 2284 |
try {
|
| 2285 |
files = getService().getFiles(user.getId(), folder.getId(), true);
|
| 2286 |
} catch (ObjectNotFoundException e) {
|
| 2287 |
throw new ServletException(e.getMessage()); |
| 2288 |
} catch (InsufficientPermissionsException e) {
|
| 2289 |
throw new ServletException(e.getMessage()); |
| 2290 |
} catch (RpcException e) {
|
| 2291 |
throw new ServletException(e.getMessage()); |
| 2292 |
} |
| 2293 |
for (FileHeaderDTO file : files) {
|
| 2294 |
String resourceName = file.getName();
|
| 2295 |
if (resourceName.equalsIgnoreCase("WEB-INF") || resourceName.equalsIgnoreCase("META-INF")) |
| 2296 |
continue;
|
| 2297 |
|
| 2298 |
sb.append("<tr");
|
| 2299 |
if (shade)
|
| 2300 |
sb.append(" bgcolor=\"#eeeeee\"");
|
| 2301 |
sb.append(">\r\n");
|
| 2302 |
shade = !shade; |
| 2303 |
|
| 2304 |
sb.append("<td align=\"left\"> \r\n");
|
| 2305 |
sb.append("<a href=\"");
|
| 2306 |
sb.append(rewrittenContextPath); |
| 2307 |
sb.append(rewriteUrl(path + resourceName)); |
| 2308 |
sb.append("\"><tt>");
|
| 2309 |
sb.append(RequestUtil.filter(resourceName)); |
| 2310 |
sb.append("</tt></a></td>\r\n");
|
| 2311 |
|
| 2312 |
sb.append("<td align=\"right\"><tt>");
|
| 2313 |
sb.append(renderSize(file.getFileSize())); |
| 2314 |
sb.append("</tt></td>\r\n");
|
| 2315 |
|
| 2316 |
sb.append("<td align=\"right\"><tt>");
|
| 2317 |
sb.append(getLastModifiedHttp(file.getAuditInfo())); |
| 2318 |
sb.append("</tt></td>\r\n");
|
| 2319 |
|
| 2320 |
sb.append("</tr>\r\n");
|
| 2321 |
} |
| 2322 |
|
| 2323 |
// Render the page footer
|
| 2324 |
sb.append("</table>\r\n");
|
| 2325 |
|
| 2326 |
sb.append("<HR size=\"1\" noshade=\"noshade\">");
|
| 2327 |
|
| 2328 |
//sb.append("<h3>").append(getServletContext().getServerInfo()).append("</h3>");
|
| 2329 |
sb.append("</body>\r\n");
|
| 2330 |
sb.append("</html>\r\n");
|
| 2331 |
|
| 2332 |
// Return an input stream to the underlying bytes
|
| 2333 |
writer.write(sb.toString()); |
| 2334 |
writer.flush(); |
| 2335 |
return new ByteArrayInputStream(stream.toByteArray()); |
| 2336 |
|
| 2337 |
} |
| 2338 |
} |