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

Example 1 with VFSSecurityCallback

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

the class CmdEditMeta method notifyFinished.

private void notifyFinished(UserRequest ureq) {
    VFSContainer container = VFSManager.findInheritingSecurityCallbackContainer(folderComponent.getRootContainer());
    VFSSecurityCallback secCallback = container.getLocalSecurityCallback();
    if (secCallback != null) {
        SubscriptionContext subsContext = secCallback.getSubscriptionContext();
        if (subsContext != null) {
            NotificationsManager.getInstance().markPublisherNews(subsContext, ureq.getIdentity(), true);
        }
    }
    fireEvent(ureq, FOLDERCOMMAND_FINISHED);
}

Example 2 with VFSSecurityCallback

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

the class CmdServeResource method execute.

public Controller execute(FolderComponent folderComponent, UserRequest ureq, WindowControl wControl, Translator translator) {
    VFSSecurityCallback inheritedSecCallback = VFSManager.findInheritedSecurityCallback(folderComponent.getCurrentContainer());
    if (inheritedSecCallback != null && !inheritedSecCallback.canRead())
        throw new RuntimeException("Illegal read attempt: " + folderComponent.getCurrentContainerPath());
    // extract file
    String path = ureq.getModuleURI();
    MediaResource mr = null;
    VFSItem vfsitem = folderComponent.getRootContainer().resolve(path);
    if (vfsitem == null) {
        // double decoding of ++
        vfsitem = FolderCommandHelper.tryDoubleDecoding(ureq, folderComponent);
    }
    if (vfsitem == null) {
        mr = new NotFoundMediaResource();
    } else if (!(vfsitem instanceof VFSLeaf)) {
        mr = new NotFoundMediaResource();
    } else {
        VFSLeaf vfsfile = (VFSLeaf) vfsitem;
        boolean forceDownload = FolderManager.isDownloadForcedFileType(vfsfile.getName());
        if (path.toLowerCase().endsWith(".html") || path.toLowerCase().endsWith(".htm")) {
            // setCurrentURI(path);
            // set the http content-type and the encoding
            // try to load in iso-8859-1
            InputStream is = vfsfile.getInputStream();
            if (is == null) {
                mr = new NotFoundMediaResource();
            } else {
                String page = FileUtils.load(is, DEFAULT_ENCODING);
                // search for the <meta content="text/html; charset=utf-8"
                // http-equiv="Content-Type" /> tag
                // if none found, assume iso-8859-1
                String enc = DEFAULT_ENCODING;
                boolean useLoaded = false;
                // <meta.*charset=([^"]*)"
                Matcher m = PATTERN_ENCTYPE.matcher(page);
                boolean found = m.find();
                if (found) {
                    String htmlcharset = m.group(1);
                    enc = htmlcharset;
                    if (htmlcharset.equals(DEFAULT_ENCODING)) {
                        useLoaded = true;
                    }
                } else {
                    useLoaded = true;
                }
                // set the new encoding to remember for any following .js file loads
                g_encoding = enc;
                if (useLoaded) {
                    StringMediaResource smr = new StringMediaResource();
                    String mimetype = forceDownload ? VFSMediaResource.MIME_TYPE_FORCE_DOWNLOAD : "text/html;charset=" + enc;
                    smr.setContentType(mimetype);
                    smr.setEncoding(enc);
                    smr.setData(page);
                    if (forceDownload) {
                        smr.setDownloadable(true, vfsfile.getName());
                    }
                    mr = smr;
                } else {
                    // found a new charset other than iso-8859-1 -> let it load again
                    // as bytes (so we do not need to convert to string and back
                    // again)
                    VFSMediaResource vmr = new VFSMediaResource(vfsfile);
                    vmr.setEncoding(enc);
                    if (forceDownload) {
                        vmr.setDownloadable(true);
                    }
                    mr = vmr;
                }
            }
        } else if (path.endsWith(".js")) {
            // a javascript library
            VFSMediaResource vmr = new VFSMediaResource(vfsfile);
            // that loads the .js file
            if (g_encoding != null) {
                vmr.setEncoding(g_encoding);
            }
            if (forceDownload) {
                vmr.setDownloadable(true);
            }
            mr = vmr;
        } else if (path.endsWith(".txt")) {
            // text files created in OpenOLAT are utf-8, prefer this encoding
            VFSMediaResource vmr = new VFSMediaResource(vfsfile);
            vmr.setEncoding("utf-8");
            if (forceDownload) {
                vmr.setDownloadable(true);
            }
            mr = vmr;
        } else {
            // binary data: not .html, not .htm, not .js -> treated as is
            VFSMediaResource vmr = new VFSMediaResource(vfsfile);
            if (forceDownload) {
                vmr.setDownloadable(true);
            }
            mr = vmr;
        }
    }
    ThreadLocalUserActivityLogger.log(FolderLoggingAction.BC_FILE_READ, getClass(), CoreLoggingResourceable.wrapBCFile(path));
    ureq.getDispatchResult().setResultingMediaResource(mr);
    // update download counter
    if (vfsitem instanceof MetaTagged) {
        MetaTagged itemWithMeta = (MetaTagged) vfsitem;
        MetaInfo meta = itemWithMeta.getMetaInfo();
        meta.increaseDownloadCount();
        meta.write();
    }
    return null;
}

Example 3 with VFSSecurityCallback

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

the class CmdUnzip method execute.

public Controller execute(FolderComponent folderComponent, UserRequest ureq, WindowControl wContr, Translator trans) {
    this.translator = trans;
    FileSelection selection = new FileSelection(ureq, folderComponent.getCurrentContainerPath());
    VFSContainer currentContainer = folderComponent.getCurrentContainer();
    if (!(currentContainer.canWrite() == VFSConstants.YES))
        throw new AssertException("Cannot unzip to folder. Writing denied.");
    // check if command is executed on a file containing invalid filenames or paths - checks if the resulting folder has a valid name
    if (selection.getInvalidFileNames().size() > 0) {
        status = FolderCommandStatus.STATUS_INVALID_NAME;
        return null;
    }
    List<String> lockedFiles = new ArrayList<String>();
    for (String sItem : selection.getFiles()) {
        VFSItem vfsItem = currentContainer.resolve(sItem);
        if (vfsItem instanceof VFSLeaf) {
            try {
                Roles roles = ureq.getUserSession().getRoles();
                lockedFiles.addAll(checkLockedFiles((VFSLeaf) vfsItem, currentContainer, ureq.getIdentity(), roles));
            } catch (Exception e) {
                String name = vfsItem == null ? "NULL" : vfsItem.getName();
                getWindowControl().setError(translator.translate("FileUnzipFailed", new String[] { name }));
            }
        }
    }
    if (!lockedFiles.isEmpty()) {
        String msg = FolderCommandHelper.renderLockedMessageAsHtml(trans, lockedFiles);
        List<String> buttonLabels = Collections.singletonList(trans.translate("ok"));
        lockedFiledCtr = activateGenericDialog(ureq, trans.translate("lock.title"), msg, buttonLabels, lockedFiledCtr);
        return null;
    }
    VFSItem currentVfsItem = null;
    try {
        boolean fileNotExist = false;
        for (String sItem : selection.getFiles()) {
            currentVfsItem = currentContainer.resolve(sItem);
            if (currentVfsItem != null && (currentVfsItem instanceof VFSLeaf)) {
                if (!doUnzip((VFSLeaf) currentVfsItem, currentContainer, ureq, wContr)) {
                    status = FolderCommandStatus.STATUS_FAILED;
                    break;
                }
            } else {
                fileNotExist = true;
                break;
            }
        }
        if (fileNotExist) {
            status = FolderCommandStatus.STATUS_FAILED;
            getWindowControl().setError(translator.translate("FileDoesNotExist"));
        }
        VFSContainer inheritingCont = VFSManager.findInheritingSecurityCallbackContainer(folderComponent.getRootContainer());
        if (inheritingCont != null) {
            VFSSecurityCallback secCallback = inheritingCont.getLocalSecurityCallback();
            if (secCallback != null) {
                SubscriptionContext subsContext = secCallback.getSubscriptionContext();
                if (subsContext != null) {
                    NotificationsManager.getInstance().markPublisherNews(subsContext, ureq.getIdentity(), true);
                }
            }
        }
    } catch (IllegalArgumentException e) {
        logError("Corrupted ZIP", e);
        String name = currentVfsItem == null ? "NULL" : currentVfsItem.getName();
        getWindowControl().setError(translator.translate("FileUnzipFailed", new String[] { name }));
    }
    return null;
}

Example 4 with VFSSecurityCallback

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

the class VFSResourceRoot method write.

@Override
public boolean write(String path, InputStream is, boolean overwrite, WebResource movedFrom) throws QuotaExceededException {
    VFSLeaf childLeaf;
    VFSItem file = resolveFile(path);
    if (file instanceof VFSLeaf) {
        if (overwrite) {
            // overwrite the file
            childLeaf = (VFSLeaf) file;
            // versioning
            if (childLeaf instanceof Versionable && ((Versionable) childLeaf).getVersions().isVersioned()) {
                if (childLeaf.getSize() == 0) {
                    VersionsManager.getInstance().createVersionsFor(childLeaf, true);
                } else {
                    VersionsManager.getInstance().addToRevisions((Versionable) childLeaf, identity, "");
                }
            }
        } else {
            return false;
        }
    } else if (file instanceof VFSContainer) {
        return false;
    } else {
        // create a new file
        int lastSlash = path.lastIndexOf('/');
        if (lastSlash == -1)
            return false;
        String parentPath = path.substring(0, lastSlash);
        VFSItem parentItem = resolveFile(parentPath);
        if (parentItem instanceof VFSContainer) {
            VFSContainer folder = (VFSContainer) parentItem;
            String name = path.substring(lastSlash + 1);
            childLeaf = folder.createChildLeaf(name);
        } else {
            return false;
        }
    }
    if (childLeaf == null) {
        return false;
    }
    try {
        copyVFS(childLeaf, is);
    } catch (QuotaExceededException e) {
        throw e;
    } catch (Exception e) {
        log.error("", e);
        return false;
    }
    VFSContainer inheritingCont = VFSManager.findInheritingSecurityCallbackContainer(childLeaf.getParentContainer());
    if (inheritingCont != null) {
        VFSSecurityCallback callback = inheritingCont.getLocalSecurityCallback();
        if (callback != null && callback.getSubscriptionContext() != null) {
            SubscriptionContext subContext = callback.getSubscriptionContext();
            NotificationsManager.getInstance().markPublisherNews(subContext, null, true);
        }
    }
    if (childLeaf instanceof MetaTagged && identity != null) {
        MetaInfo infos = ((MetaTagged) childLeaf).getMetaInfo();
        if (infos != null && !infos.hasAuthorIdentity()) {
            infos.setAuthor(identity);
            addLicense(infos, identity);
            infos.clearThumbnails();
        // infos.write(); the clearThumbnails call write()
        }
    }
    if (movedFrom instanceof VFSResource) {
        VFSResource vfsResource = (VFSResource) movedFrom;
        if (vfsResource.getItem() instanceof Versionable && ((Versionable) vfsResource.getItem()).getVersions().isVersioned()) {
            VFSLeaf currentVersion = (VFSLeaf) vfsResource.getItem();
            VersionsManager.getInstance().move(currentVersion, childLeaf, identity);
        }
    }
    return true;
}

Example 5 with VFSSecurityCallback

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

the class PFManager method provideParticipantFolder.

/**
 * Provide participant folder in GUI.
 *
 * @param pfNode
 * @param pfView
 * @param courseEnv
 * @param identity
 * @param isCoach
 * @return the VFS container
 */
public VFSContainer provideParticipantFolder(PFCourseNode pfNode, PFView pfView, Translator translator, CourseEnvironment courseEnv, Identity identity, boolean isCoach, boolean readOnly) {
    SubscriptionContext nodefolderSubContext = CourseModule.createSubscriptionContext(courseEnv, pfNode);
    String path = courseEnv.getCourseBaseContainer().getRelPath() + "/" + FILENAME_PARTICIPANTFOLDER;
    VFSContainer courseElementBaseContainer = new OlatRootFolderImpl(path, null);
    Path relPath = Paths.get(pfNode.getIdent(), getIdFolderName(identity));
    VFSContainer userBaseContainer = VFSManager.resolveOrCreateContainerFromPath(courseElementBaseContainer, relPath.toString());
    String baseContainerName = userManager.getUserDisplayName(identity);
    VirtualContainer namedCourseFolder = new VirtualContainer(baseContainerName);
    namedCourseFolder.setLocalSecurityCallback(new ReadOnlyCallback(nodefolderSubContext));
    VFSContainer dropContainer = new NamedContainerImpl(PFView.onlyDrop.equals(pfView) || PFView.onlyReturn.equals(pfView) ? baseContainerName : translator.translate("drop.box"), VFSManager.resolveOrCreateContainerFromPath(userBaseContainer, FILENAME_DROPBOX));
    if (pfNode.hasParticipantBoxConfigured()) {
        namedCourseFolder.addItem(dropContainer);
    }
    VFSContainer returnContainer = new NamedContainerImpl(PFView.onlyDrop.equals(pfView) || PFView.onlyReturn.equals(pfView) ? baseContainerName : translator.translate("return.box"), VFSManager.resolveOrCreateContainerFromPath(userBaseContainer, FILENAME_RETURNBOX));
    if (pfNode.hasCoachBoxConfigured()) {
        namedCourseFolder.addItem(returnContainer);
    }
    if (readOnly) {
        dropContainer.setLocalSecurityCallback(new ReadOnlyCallback(nodefolderSubContext));
        returnContainer.setLocalSecurityCallback(new ReadOnlyCallback(nodefolderSubContext));
    } else {
        if (isCoach) {
            dropContainer.setLocalSecurityCallback(new ReadOnlyCallback(nodefolderSubContext));
            returnContainer.setLocalSecurityCallback(new ReadWriteDeleteCallback(nodefolderSubContext));
        } else {
            VFSContainer dropbox = resolveOrCreateDropFolder(courseEnv, pfNode, identity);
            VFSSecurityCallback callback = calculateCallback(courseEnv, pfNode, dropbox, false);
            dropContainer.setLocalSecurityCallback(callback);
            returnContainer.setLocalSecurityCallback(new ReadOnlyCallback(nodefolderSubContext));
        }
    }
    VFSContainer folderRunContainer;
    switch(pfView) {
        case dropAndReturn:
            folderRunContainer = namedCourseFolder;
            break;
        case onlyDrop:
            folderRunContainer = dropContainer;
            break;
        case onlyReturn:
            folderRunContainer = returnContainer;
            break;
        default:
            folderRunContainer = namedCourseFolder;
            break;
    }
    return folderRunContainer;
}