Examples with VFSLeaf org.olat.core.util.vfs.VFSLeaf used on opensource projects

Example 96 with VFSLeaf

use of org.olat.core.util.vfs.VFSLeaf in project OpenOLAT by OpenOLAT.

the class MessageListController method doDeliverAttachment.

private void doDeliverAttachment(UserRequest ureq, String cmd) {
    MediaResource res = null;
    try {
        int index = cmd.lastIndexOf("_");
        String attachmentPosition = cmd.substring(cmd.indexOf("_") + 1, index);
        String messageKey = cmd.substring(index + 1);
        int position = Integer.parseInt(attachmentPosition);
        Long key = new Long(messageKey);
        for (MessageView view : backupViews) {
            if (view.getKey().equals(key)) {
                List<VFSItem> attachments = view.getAttachments();
                // velocity counter start with 1
                VFSLeaf attachment = (VFSLeaf) attachments.get(position - 1);
                VFSMediaResource fileResource = new VFSMediaResource(attachment);
                // prevent XSS attack
                fileResource.setDownloadable(true);
                res = fileResource;
            }
        }
    } catch (Exception e) {
        logError("Cannot deliver message attachment", e);
    }
    if (res == null) {
        res = new NotFoundMediaResource();
    }
    ureq.getDispatchResult().setResultingMediaResource(res);
}

Example 97 with VFSLeaf

use of org.olat.core.util.vfs.VFSLeaf in project OpenOLAT by OpenOLAT.

the class ForumWebService method attachToPost.

protected Response attachToPost(Message mess, String filename, InputStream file, HttpServletRequest request) {
    Identity identity = getIdentity(request);
    if (identity == null) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    } else if (!identity.equalsByPersistableKey(mess.getCreator())) {
        if (mess.getModifier() == null || !identity.equalsByPersistableKey(mess.getModifier())) {
            return Response.serverError().status(Status.UNAUTHORIZED).build();
        }
    }
    VFSContainer container = fom.getMessageContainer(mess.getForum().getKey(), mess.getKey());
    VFSItem item = container.resolve(filename);
    VFSLeaf attachment = null;
    if (item == null) {
        attachment = container.createChildLeaf(filename);
    } else {
        filename = VFSManager.rename(container, filename);
        if (filename == null) {
            return Response.serverError().status(Status.NOT_ACCEPTABLE).build();
        }
        attachment = container.createChildLeaf(filename);
    }
    OutputStream out = attachment.getOutputStream(false);
    try {
        IOUtils.copy(file, out);
    } catch (IOException e) {
        return Response.serverError().status(Status.INTERNAL_SERVER_ERROR).build();
    } finally {
        FileUtils.closeSafely(out);
        FileUtils.closeSafely(file);
    }
    return Response.ok().build();
}

Example 98 with VFSLeaf

use of org.olat.core.util.vfs.VFSLeaf in project OpenOLAT by OpenOLAT.

the class FeedMediaDispatcher method deliverFile.

/**
 * Dispatch and deliver the requested file given in the path.
 *
 * @param request
 * @param response
 * @param feed
 * @param path
 */
private void deliverFile(HttpServletRequest request, HttpServletResponse response, OLATResourceable feed, Path path) {
    // OLAT-5243 related: deliverFile can last arbitrary long, which can cause the open db connection to timeout and cause errors,
    // hence we need to do an intermediateCommit here
    DBFactory.getInstance().intermediateCommit();
    // Create the resource to be delivered
    MediaResource resource = null;
    FeedManager manager = FeedManager.getInstance();
    if (path.isFeedType()) {
        // Only create feed if modified. Send not modified response else.
        Identity identity = getIdentity(path.getIdentityKey());
        long sinceModifiedMillis = request.getDateHeader("If-Modified-Since");
        Feed feedLight = manager.loadFeed(feed);
        long lastModifiedMillis = -1;
        if (feedLight != null) {
            lastModifiedMillis = feedLight.getLastModified().getTime();
        }
        if (sinceModifiedMillis >= (lastModifiedMillis / 1000L) * 1000L) {
            // Send not modified response
            response.setDateHeader("last-modified", lastModifiedMillis);
            try {
                response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
                return;
            } catch (IOException e) {
                // Send not modified failed
                log.error("Send not modified failed", e);
                return;
            }
        } else {
            resource = manager.createFeedFile(feed, identity, path.getCourseId(), path.getNodeId());
        }
    } else if (path.isItemType()) {
        resource = manager.createItemMediaFile(feed, path.getItemId(), path.getItemFileName());
    } else if (path.isIconType()) {
        Size thumbnailSize = null;
        String thumbnail = request.getParameter("thumbnail");
        if (StringHelper.containsNonWhitespace(thumbnail)) {
            thumbnailSize = Size.parseString(thumbnail);
        }
        VFSLeaf resourceFile = manager.createFeedMediaFile(feed, path.getIconFileName(), thumbnailSize);
        if (resourceFile != null) {
            resource = new VFSMediaResource(resourceFile);
        }
    }
    // Eventually deliver the requested resource
    ServletUtil.serveResource(request, response, resource);
}

Example 99 with VFSLeaf

use of org.olat.core.util.vfs.VFSLeaf in project OpenOLAT by OpenOLAT.

the class VideoDisplayController method reloadVideoPoster.

/**
 * Reload video poster when the video poster has been exchanged
 */
protected void reloadVideoPoster() {
    // Check for null-value posters
    VFSLeaf poster = videoManager.getPosterframe(entry.getOlatResource());
    mainVC.contextPut("usePoster", Boolean.valueOf(poster != null && poster.getSize() > 0));
    // avoid browser caching of poster resource
    mainVC.contextPut("nocache", "?t=" + CodeHelper.getRAMUniqueID());
}

Example 100 with VFSLeaf

use of org.olat.core.util.vfs.VFSLeaf in project OpenOLAT by OpenOLAT.

the class VideoDisplayController method reloadVideo.

/**
 * Reload the video, e.g. when new captions or transcoded versions are available
 * @param ureq
 * @param currentTime The start time in seconds (optional)
 */
protected void reloadVideo(UserRequest ureq) {
    // load video as VFSLeaf
    VFSLeaf video = videoManager.getMasterVideoFile(entry.getOlatResource());
    loadVideo(ureq, video);
    mainVC.contextPut("addForceReload", "?t=" + CodeHelper.getRAMUniqueID());
}