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/* |
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$Id$ |
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Copyright (C) 2007 Nicklas Nordborg |
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This file is part of BASE - BioArray Software Environment. |
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Available at http://base.thep.lu.se/ |
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BASE is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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BASE 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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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. |
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*/ |
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package net.sf.basedb.genepattern.servlet; |
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|
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import javax.servlet.ServletException; |
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import javax.servlet.http.HttpServlet; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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|
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import net.sf.basedb.core.Application; |
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import net.sf.basedb.genepattern.file.FileTransferGateway; |
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import net.sf.basedb.util.FileUtil; |
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import net.sf.basedb.util.StaticCache; |
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|
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import java.io.IOException; |
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import java.io.InputStream; |
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|
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/** |
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A servlet for sending files to a GenePattern server. |
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Input data files are registered with a {@link FileTransferGateway} which |
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generates the URL and {@link Parameter} that is given to GenePattern. |
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<p> |
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The files themselves are copied and stored in the static cache |
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({@link Application#getStaticCache()}. The files should be removed |
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from the static cache after the job has been completed by calling |
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{@link FileTransferGateway#cleanUp()}. |
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|
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@author Nicklas |
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@version 1.0 |
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@base.modified $Date$ |
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*/ |
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public final class Download |
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extends HttpServlet |
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{ |
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|
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private static final long serialVersionUID = 848237452492077399L; |
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|
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public Download() |
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{} |
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|
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@Override |
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public void doGet(HttpServletRequest request, HttpServletResponse response) |
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throws IOException, ServletException |
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{ |
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// Get the requested file path and make sure it doesn't contain /../ |
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String path = request.getPathInfo(); |
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if (path.contains("/../")) |
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{ |
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response.sendError(HttpServletResponse.SC_BAD_REQUEST); |
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return; |
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} |
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StaticCache cache = Application.getStaticCache(); |
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String cacheKey = FileTransferGateway.cacheRoot + path; |
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InputStream data = cache.read(cacheKey, 1000); |
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try |
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{ |
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if (data == null) |
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{ |
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response.sendError(HttpServletResponse.SC_NOT_FOUND); |
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return; |
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} |
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FileUtil.copy(data, response.getOutputStream()); |
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} |
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finally |
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{ |
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FileUtil.close(data); |
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} |
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} |
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|
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@Override |
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public void doPost(HttpServletRequest request, HttpServletResponse response) |
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throws IOException, ServletException |
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{ |
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doGet(request, response); |
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} |
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} |