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Merge V1.4 to HEAD

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- Ignored Enterprise-specific changes
   svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/V1.4@3701 svn://svn.alfresco.com:3691/alfresco/BRANCHES/V1.4@3703 .
   svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/V1.4@3704 svn://svn.alfresco.com:3691/alfresco/BRANCHES/V1.4@3705 .
   svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/V1.4@3707 svn://svn.alfresco.com:3691/alfresco/BRANCHES/V1.4@3876 .
   svn revert root\projects\web-client\source\web\jsp\admin\admin-console.jsp


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3879 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
2006-09-21 23:35:51 +00:00
parent 35594dadf8
commit 7df3c602a1
54 changed files with 1634 additions and 675 deletions
Download Patch File Download Diff File Expand all files Collapse all files

242
source/java/org/alfresco/web/app/servlet/DownloadContentServlet.java
View File

@@ -17,32 +17,12 @@
package org.alfresco.web.app.servlet;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.SocketException;
import java.net.URLEncoder;
import java.text.MessageFormat;
import java.util.Date;
import java.util.StringTokenizer;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.content.filestore.FileContentReader;
import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.cmr.repository.ContentReader;
import org.alfresco.service.cmr.repository.ContentService;
import org.alfresco.service.cmr.repository.MimetypeService;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.cmr.repository.StoreRef;
import org.alfresco.service.cmr.security.AccessStatus;
import org.alfresco.service.cmr.security.PermissionService;
import org.alfresco.service.namespace.QName;
import org.alfresco.web.app.Application;
import org.alfresco.web.ui.common.Utils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -71,26 +51,30 @@ import org.apache.commons.logging.LogFactory;
* Like most Alfresco servlets, the URL may be followed by a valid 'ticket' argument for authentication:
* ?ticket=1234567890
* <p>
* And/or also followed by the "?guest=true" argument to force guest access login for the URL.
* And/or also followed by the "?guest=true" argument to force guest access login for the URL. If the
* guest=true parameter is used the current session will be logged out and the guest user logged in.
* Therefore upon completion of this request the current user will be "guest".
* <p>
* If the user attempting the request is not authorised to access the requested node the login page
* will be redirected to.
*
* @author Kevin Roast
* @author gavinc
*/
public class DownloadContentServlet extends BaseServlet
public class DownloadContentServlet extends BaseDownloadContentServlet
{
private static final long serialVersionUID = -4558907921887235966L;
private static final long serialVersionUID = -576405943603122206L;
private static Log logger = LogFactory.getLog(DownloadContentServlet.class);
private static final String DOWNLOAD_URL = "/download/attach/{0}/{1}/{2}/{3}";
private static final String BROWSER_URL = "/download/direct/{0}/{1}/{2}/{3}";
private static final String MIMETYPE_OCTET_STREAM = "application/octet-stream";
private static final String MSG_ERROR_CONTENT_MISSING = "error_content_missing";
private static final String ARG_PROPERTY = "property";
private static final String ARG_ATTACH = "attach";
private static final String ARG_PATH = "path";
@Override
protected Log getLogger()
{
return logger;
}
/**
* @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
@@ -98,10 +82,12 @@ public class DownloadContentServlet extends BaseServlet
protected void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException
{
String uri = req.getRequestURI();
if (logger.isDebugEnabled())
logger.debug("Processing URL: " + uri + (req.getQueryString() != null ? ("?" + req.getQueryString()) : ""));
{
String queryString = req.getQueryString();
logger.debug("Authenticating request to URL: " + req.getRequestURI() +
((queryString != null && queryString.length() > 0) ? ("?" + queryString) : ""));
}
AuthenticationStatus status = servletAuthenticate(req, res);
if (status == AuthenticationStatus.Failure)
@@ -109,159 +95,7 @@ public class DownloadContentServlet extends BaseServlet
return;
}
// TODO: add compression here?
// see http://servlets.com/jservlet2/examples/ch06/ViewResourceCompress.java for example
// only really needed if we don't use the built in compression of the servlet container
uri = uri.substring(req.getContextPath().length());
StringTokenizer t = new StringTokenizer(uri, "/");
int tokenCount = t.countTokens();
t.nextToken(); // skip servlet name
// attachment mode (either 'attach' or 'direct')
String attachToken = t.nextToken();
boolean attachment = attachToken.equals(ARG_ATTACH);
// get or calculate the noderef and filename to download as
NodeRef nodeRef;
String filename;
// do we have a path parameter instead of a NodeRef?
String path = req.getParameter(ARG_PATH);
if (path != null && path.length() != 0)
{
// process the name based path to resolve the NodeRef and the Filename element
PathRefInfo pathInfo = resolveNamePath(getServletContext(), path);
nodeRef = pathInfo.NodeRef;
filename = pathInfo.Filename;
}
else
{
// a NodeRef must have been specified if no path has been found
if (tokenCount < 6)
{
throw new IllegalArgumentException("Download URL did not contain all required args: " + uri);
}
// assume 'workspace' or other NodeRef based protocol for remaining URL elements
StoreRef storeRef = new StoreRef(t.nextToken(), t.nextToken());
String id = t.nextToken();
// build noderef from the appropriate URL elements
nodeRef = new NodeRef(storeRef, id);
// filename is last remaining token
filename = t.nextToken();
}
// get qualified of the property to get content from - default to ContentModel.PROP_CONTENT
QName propertyQName = ContentModel.PROP_CONTENT;
String property = req.getParameter(ARG_PROPERTY);
if (property != null && property.length() != 0)
{
propertyQName = QName.createQName(property);
}
if (logger.isDebugEnabled())
{
logger.debug("Found NodeRef: " + nodeRef.toString());
logger.debug("Will use filename: " + filename);
logger.debug("For property: " + propertyQName);
logger.debug("With attachment mode: " + attachment);
}
// get the services we need to retrieve the content
ServiceRegistry serviceRegistry = getServiceRegistry(getServletContext());
NodeService nodeService = serviceRegistry.getNodeService();
ContentService contentService = serviceRegistry.getContentService();
PermissionService permissionService = serviceRegistry.getPermissionService();
try
{
// check that the user has at least READ_CONTENT access - else redirect to the login page
if (permissionService.hasPermission(nodeRef, PermissionService.READ_CONTENT) == AccessStatus.DENIED)
{
if (logger.isDebugEnabled())
logger.debug("User does not have permissions to read content for NodeRef: " + nodeRef.toString());
redirectToLoginPage(req, res, getServletContext());
return;
}
// check If-Modified-Since header and set Last-Modified header as appropriate
Date modified = (Date)nodeService.getProperty(nodeRef, ContentModel.PROP_MODIFIED);
long modifiedSince = req.getDateHeader("If-Modified-Since");
if (modifiedSince > 0L)
{
// round the date to the ignore millisecond value which is not supplied by header
long modDate = (modified.getTime() / 1000L) * 1000L;
if (modDate <= modifiedSince)
{
res.setStatus(304);
return;
}
}
res.setDateHeader("Last-Modified", modified.getTime());
if (attachment == true)
{
// set header based on filename - will force a Save As from the browse if it doesn't recognise it
// this is better than the default response of the browser trying to display the contents
res.setHeader("Content-Disposition", "attachment");
}
// get the content reader
ContentReader reader = contentService.getReader(nodeRef, propertyQName);
// ensure that it is safe to use
reader = FileContentReader.getSafeContentReader(
reader,
Application.getMessage(req.getSession(), MSG_ERROR_CONTENT_MISSING),
nodeRef, reader);
String mimetype = reader.getMimetype();
// fall back if unable to resolve mimetype property
if (mimetype == null || mimetype.length() == 0)
{
MimetypeService mimetypeMap = serviceRegistry.getMimetypeService();
mimetype = MIMETYPE_OCTET_STREAM;
int extIndex = filename.lastIndexOf('.');
if (extIndex != -1)
{
String ext = filename.substring(extIndex + 1);
String mt = mimetypeMap.getMimetypesByExtension().get(ext);
if (mt != null)
{
mimetype = mt;
}
}
}
// set mimetype for the content and the character encoding for the stream
res.setContentType(mimetype);
res.setCharacterEncoding(reader.getEncoding());
// get the content and stream directly to the response output stream
// assuming the repo is capable of streaming in chunks, this should allow large files
// to be streamed directly to the browser response stream.
try
{
reader.getContent( res.getOutputStream() );
}
catch (SocketException e)
{
if (e.getMessage().contains("ClientAbortException"))
{
// the client cut the connection - our mission was accomplished apart from a little error message
logger.error("Client aborted stream read:\n node: " + nodeRef + "\n content: " + reader);
}
else
{
throw e;
}
}
}
catch (Throwable err)
{
throw new AlfrescoRuntimeException("Error during download content servlet processing: " + err.getMessage(), err);
}
processDownloadRequest(req, res, true);
}
/**
@@ -276,22 +110,7 @@ public class DownloadContentServlet extends BaseServlet
*/
public final static String generateDownloadURL(NodeRef ref, String name)
{
String url = null;
try
{
url = MessageFormat.format(DOWNLOAD_URL, new Object[] {
ref.getStoreRef().getProtocol(),
ref.getStoreRef().getIdentifier(),
ref.getId(),
Utils.replace(URLEncoder.encode(name, "UTF-8"), "+", "%20") } );
}
catch (UnsupportedEncodingException uee)
{
throw new AlfrescoRuntimeException("Failed to encode content URL for node: " + ref, uee);
}
return url;
return generateUrl(DOWNLOAD_URL, ref, name);
}
/**
@@ -306,21 +125,6 @@ public class DownloadContentServlet extends BaseServlet
*/
public final static String generateBrowserURL(NodeRef ref, String name)
{
String url = null;
try
{
url = MessageFormat.format(BROWSER_URL, new Object[] {
ref.getStoreRef().getProtocol(),
ref.getStoreRef().getIdentifier(),
ref.getId(),
Utils.replace(URLEncoder.encode(name, "UTF-8"), "+", "%20") } );
}
catch (UnsupportedEncodingException uee)
{
throw new AlfrescoRuntimeException("Failed to encode content URL for node: " + ref, uee);
}
return url;
return generateUrl(BROWSER_URL, ref, name);
}
}