Revert "SSDM-13152 : Exports for master data and metadata UI - AS session...

Revert "SSDM-13152 : Exports for master data and metadata UI - AS session workspace download servlet with PAT support"

This reverts commit 54c089b8.

openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/server/DownloadServiceServlet.java

-/*
- * Copyright 2012 ETH Zuerich, CISD
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package ch.systemsx.cisd.openbis.generic.client.web.server;
-
-import java.io.BufferedInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URLConnection;
-
-import javax.servlet.ServletException;
-import javax.servlet.ServletOutputStream;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-import org.apache.commons.io.FilenameUtils;
-import org.apache.commons.io.IOUtils;
-import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.RequestMapping;
-
-import ch.systemsx.cisd.base.exceptions.IOExceptionUnchecked;
-import ch.systemsx.cisd.common.servlet.HttpServletRequestUtils;
-import ch.systemsx.cisd.openbis.generic.server.CommonServiceProvider;
-
-/**
- * Servlet that handles the download of files from the session workspace. The content type of the response is guessed from the downloaded file name.
- * <ul>
- * <li>Accepted HTTP methods: GET</li>
- * <li>HTTP request parameters: sessionID (String required), filePath (String required)</li>
- * </ul>
- *
- * @author pkupczyk
- */
-@Controller
-public class DownloadServiceServlet extends HttpServlet
-{
-
-    private static final long serialVersionUID = 1L;
-
-    private static final String SESSION_ID_PARAM = "sessionID";
-
-    private static final String FILE_PATH_PARAM = "filePath";
-
-    @Override
-    @RequestMapping({ "/download", "/openbis/download" })
-    protected void doGet(HttpServletRequest request, HttpServletResponse response)
-            throws ServletException, IOException
-    {
-        DownloadRequest downloadRequest = new DownloadRequest(request);
-
-        downloadRequest.validate();
-
-        File sessionWorkspace = CommonServiceProvider.getSessionWorkspaceProvider().getSessionWorkspace(downloadRequest.getSessionId());
-        File file = new File(sessionWorkspace, downloadRequest.getFilePath());
-
-        DownloadResponse downloadResponse = new DownloadResponse(response);
-        downloadResponse.writeFile(downloadRequest.getFilePath(), new BufferedInputStream(new FileInputStream(file)));
-    }
-
-    private static class DownloadRequest
-    {
-
-        private final HttpServletRequest request;
-
-        public DownloadRequest(HttpServletRequest request)
-        {
-            this.request = request;
-        }
-
-        public String getSessionId()
-        {
-            String sessionId = HttpServletRequestUtils.getStringParameter(request, SESSION_ID_PARAM);
-            sessionId = CommonServiceProvider.getPersonalAccessTokenConverter().convert(sessionId);
-            return sessionId;
-        }
-
-        public String getFilePath()
-        {
-            return HttpServletRequestUtils.getStringParameter(request, FILE_PATH_PARAM);
-        }
-
-        public void validate()
-        {
-            if (getSessionId() == null)
-            {
-                throw new IllegalArgumentException(SESSION_ID_PARAM
-                        + " parameter cannot be null");
-            }
-
-            if (!CommonServiceProvider.getApplicationServerApi().isSessionActive(getSessionId()))
-            {
-                throw new IllegalArgumentException(SESSION_ID_PARAM + " parameter contains an invalid session token");
-            }
-
-            if (getFilePath() == null)
-            {
-                throw new IllegalArgumentException(FILE_PATH_PARAM + " parameter cannot be null");
-            }
-
-            if (getFilePath().contains("../"))
-            {
-                throw new IOExceptionUnchecked(FILE_PATH_PARAM + " parameter must not contain '../'");
-            }
-
-        }
-
-    }
-
-    private static class DownloadResponse
-    {
-
-        private final HttpServletResponse response;
-
-        public DownloadResponse(HttpServletResponse response)
-        {
-            this.response = response;
-        }
-
-        public void writeFile(String filePath, InputStream fileStream) throws IOException
-        {
-            ServletOutputStream outputStream = null;
-
-            try
-            {
-                String fileName = FilenameUtils.getName(filePath);
-                response.setHeader("Content-Disposition", "inline; filename=" + fileName);
-                response.setContentType(URLConnection.guessContentTypeFromName(fileName));
-                response.setStatus(HttpServletResponse.SC_OK);
-                outputStream = response.getOutputStream();
-                IOUtils.copyLarge(fileStream, outputStream);
-            } finally
-            {
-                IOUtils.closeQuietly(fileStream);
-                IOUtils.closeQuietly(outputStream);
-            }
-        }
-
-    }
-
-}