diff --git a/source/java/org/alfresco/web/app/servlet/BaseDownloadContentServlet.java b/source/java/org/alfresco/web/app/servlet/BaseDownloadContentServlet.java index c61727b4d7..cc62c020ab 100644 --- a/source/java/org/alfresco/web/app/servlet/BaseDownloadContentServlet.java +++ b/source/java/org/alfresco/web/app/servlet/BaseDownloadContentServlet.java @@ -169,7 +169,7 @@ public abstract class BaseDownloadContentServlet extends BaseServlet if (logger.isDebugEnabled()) { - logger.debug("Found NodeRef: " + nodeRef.toString()); + logger.debug("Found NodeRef: " + nodeRef); logger.debug("Will use filename: " + filename); logger.debug("For property: " + propertyQName); logger.debug("With attachment mode: " + attachment); diff --git a/source/java/org/alfresco/web/app/servlet/DownloadRawContentServlet.java b/source/java/org/alfresco/web/app/servlet/DownloadRawContentServlet.java new file mode 100644 index 0000000000..41ef094179 --- /dev/null +++ b/source/java/org/alfresco/web/app/servlet/DownloadRawContentServlet.java @@ -0,0 +1,190 @@ +/* + * Copyright (C) 2005-2007 Alfresco Software Limited. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + + * As a special exception to the terms and conditions of version 2.0 of + * the GPL, you may redistribute this Program in connection with Free/Libre + * and Open Source Software ("FLOSS") applications as described in Alfresco's + * FLOSS exception. You should have recieved a copy of the text describing + * the FLOSS exception, and it is also available here: + * http://www.alfresco.com/legal/licensing" + */ +package org.alfresco.web.app.servlet; + +import java.io.IOException; +import java.io.OutputStream; +import java.net.SocketException; +import java.text.MessageFormat; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.alfresco.repo.content.MimetypeMap; +import org.alfresco.repo.security.permissions.AccessDeniedException; +import org.alfresco.service.ServiceRegistry; +import org.alfresco.service.cmr.repository.ContentIOException; +import org.alfresco.service.cmr.repository.ContentReader; +import org.alfresco.service.cmr.repository.ContentService; +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + +/** + * A serlet that provides direct access to the content stores via a content URL. + *

+ * Requests can be of the form:
+ *

+ * /alfresco/downloadDirect?contentUrl=some-url?ticket=auth
+ *    some-url is a ContentStore-specific URL 
+ *    auth is a valid authentication token for an admin user 
+ * 
+ * This serlet is intended to be accessed to retrieve the binary content from + * the content stores. If you wish to retrieve content from a client, use + * the other content download servlets available. + *

+ * The following responses are generated: + *

+ * + * @since 2.1 + * @author Derek Hulley + */ +public class DownloadRawContentServlet extends BaseServlet +{ + private static final long serialVersionUID = 2973080032044411358L; + + private static Log logger = LogFactory.getLog(DownloadRawContentServlet.class); + + private static final String DEFAULT_URL = "/downloadDirect?contentUrl={0}?ticket=?"; + private static final String DEFAULT_MIMETYPE = MimetypeMap.MIMETYPE_BINARY; + private static final String DEFAULT_ENCODING = "utf-8"; + + private static final String ARG_CONTENT_URL = "contentUrl"; + + protected void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException + { + if (logger.isDebugEnabled()) + { + logger.debug("Authenticating downloadDirect request: " + req.getRequestURI()); + } + + AuthenticationStatus status = servletAuthenticate(req, res); + if (status == AuthenticationStatus.Failure) + { + return; + } + + setNoCacheHeaders(res); + + processRequest(req, res); + } + + /** + * Processes the request using the current context i.e. no + * authentication checks are made, it is presumed they have already + * been done. + * + * @param req The HTTP request + * @param res The HTTP response + */ + private void processRequest(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException + { + String uri = req.getRequestURI(); + + String contentUrl = req.getParameter(ARG_CONTENT_URL); + if (contentUrl == null || contentUrl.length() == 0) + { + throw new IllegalArgumentException("Download URL did not contain parameter '" + ARG_CONTENT_URL + "':" + uri); + } + + ServiceRegistry serviceRegistry = getServiceRegistry(getServletContext()); + ContentService contentService = serviceRegistry.getContentService(); + + // Attempt to get the reader + ContentReader reader = null; + try + { + reader = contentService.getRawReader(contentUrl); + // If the content doesn't exist, generate an error + if (!reader.exists()) + { + if (logger.isDebugEnabled()) + { + logger.debug("Returning 204 Not Found error..."); + } + res.sendError(HttpServletResponse.SC_NO_CONTENT); + return; + } + } + catch (AccessDeniedException e) + { + if (logger.isDebugEnabled()) + { + logger.debug("Returning 403 Forbidden error after exception: ", e); + } + res.sendError(HttpServletResponse.SC_FORBIDDEN); + return; + } + + // Fill repsonse details + res.setContentType(DEFAULT_MIMETYPE); + res.setCharacterEncoding(DEFAULT_ENCODING); + + // Pass the stream to the response + try + { + OutputStream clientOs = res.getOutputStream(); + reader.getContent( clientOs ); // Streams closed for us + } + catch (SocketException e1) + { + // Not a problem + if (logger.isDebugEnabled()) + { + logger.debug( + "Client aborted stream read:\n" + + " Content URL: " + contentUrl); + } + } + catch (ContentIOException e2) + { + // Not a problem + if (logger.isDebugEnabled()) + { + logger.debug( + "Client aborted stream read:\n" + + " Content URL: " + contentUrl); + } + } + } + + /** + * Helper to generate a URL based on the ContentStore URL and ticket. + * + * @param contentUrl the content URL - never null + * @param ticket the authentication ticket + * + * @return Returns the URL with which to access the servlet + */ + public final static String generateURL(String contentUrl, String ticket) + { + return MessageFormat.format( + DEFAULT_URL, + contentUrl, ticket); + } +} diff --git a/source/web/WEB-INF/web.xml b/source/web/WEB-INF/web.xml index 51e09fcea5..300e16bd34 100644 --- a/source/web/WEB-INF/web.xml +++ b/source/web/WEB-INF/web.xml @@ -187,14 +187,19 @@ org.alfresco.web.app.servlet.UploadFileServlet + + uploadContent + org.alfresco.web.app.servlet.UploadContentServlet + + downloadContent org.alfresco.web.app.servlet.DownloadContentServlet - uploadContent - org.alfresco.web.app.servlet.UploadContentServlet + downloadRawContent + org.alfresco.web.app.servlet.DownloadRawContentServlet @@ -296,6 +301,11 @@ /d/* + + downloadRawContent + /dr + + guestDownloadContent /guestDownload/*