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

Example 11 with ReadOnlyCallback

use of org.olat.core.util.vfs.callbacks.ReadOnlyCallback in project openolat by klemens.

the class CourseResourceFolderWebService method getFiles.

public Response getFiles(Long courseId, List<PathSegment> path, FolderType type, UriInfo uriInfo, HttpServletRequest httpRequest, Request request) {
    if (!isAuthor(httpRequest)) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    }
    ICourse course = CoursesWebService.loadCourse(courseId);
    if (course == null) {
        return Response.serverError().status(Status.NOT_FOUND).build();
    }
    VFSContainer container = null;
    RepositoryEntry re = null;
    switch(type) {
        case COURSE_FOLDER:
            container = course.getCourseFolderContainer();
            break;
        case SHARED_FOLDER:
            {
                container = null;
                String sfSoftkey = course.getCourseConfig().getSharedFolderSoftkey();
                OLATResource sharedResource = CoreSpringFactory.getImpl(RepositoryService.class).loadRepositoryEntryResourceBySoftKey(sfSoftkey);
                if (sharedResource != null) {
                    re = CoreSpringFactory.getImpl(RepositoryService.class).loadByResourceKey(sharedResource.getKey());
                    container = SharedFolderManager.getInstance().getNamedSharedFolder(re, true);
                    CourseConfig courseConfig = course.getCourseConfig();
                    if (courseConfig.isSharedFolderReadOnlyMount()) {
                        container.setLocalSecurityCallback(new ReadOnlyCallback());
                    }
                }
                break;
            }
    }
    if (container == null) {
        return Response.serverError().status(Status.NOT_FOUND).build();
    }
    VFSLeaf leaf = null;
    for (PathSegment seg : path) {
        VFSItem item = container.resolve(seg.getPath());
        if (item instanceof VFSLeaf) {
            leaf = (VFSLeaf) item;
            break;
        } else if (item instanceof VFSContainer) {
            container = (VFSContainer) item;
        }
    }
    if (leaf != null) {
        Date lastModified = new Date(leaf.getLastModified());
        Response.ResponseBuilder response = request.evaluatePreconditions(lastModified);
        if (response == null) {
            String mimeType = WebappHelper.getMimeType(leaf.getName());
            if (mimeType == null)
                mimeType = MediaType.APPLICATION_OCTET_STREAM;
            response = Response.ok(leaf.getInputStream(), mimeType).lastModified(lastModified).cacheControl(cc);
        }
        return response.build();
    }
    List<VFSItem> items = container.getItems(new SystemItemFilter());
    int count = 0;
    LinkVO[] links = new LinkVO[items.size()];
    for (VFSItem item : items) {
        UriBuilder baseUriBuilder = uriInfo.getBaseUriBuilder();
        UriBuilder repoUri = baseUriBuilder.path(CourseResourceFolderWebService.class).path("files");
        if (type.equals(FolderType.SHARED_FOLDER) && re != null) {
            repoUri = baseUriBuilder.replacePath("restapi").path(SharedFolderWebService.class).path(re.getKey().toString()).path("files");
        }
        for (PathSegment pathSegment : path) {
            repoUri.path(pathSegment.getPath());
        }
        String uri = repoUri.path(item.getName()).build(courseId).toString();
        links[count++] = new LinkVO("self", uri, item.getName());
    }
    return Response.ok(links).build();
}

Example 12 with ReadOnlyCallback

use of org.olat.core.util.vfs.callbacks.ReadOnlyCallback in project openolat by klemens.

the class GroupfoldersWebDAVMergeSource method getGroupContainer.

private VFSContainer getGroupContainer(String name, BusinessGroup group, boolean isOwner) {
    String folderPath = collaborationManager.getFolderRelPath(group);
    // create container and set quota
    OlatRootFolderImpl localImpl = new OlatRootFolderImpl(folderPath, this);
    // already done in OlatRootFolderImpl localImpl.getBasefile().mkdirs(); // lazy initialize dirs
    String containerName = RequestUtil.normalizeFilename(name);
    NamedContainerImpl grpContainer = new GroupNamedContainer(containerName, localImpl);
    boolean writeAccess;
    if (!isOwner) {
        // check if participants have read/write access
        int folderAccess = CollaborationTools.FOLDER_ACCESS_ALL;
        Long lFolderAccess = collaborationManager.lookupFolderAccess(group);
        if (lFolderAccess != null) {
            folderAccess = lFolderAccess.intValue();
        }
        writeAccess = (folderAccess == CollaborationTools.FOLDER_ACCESS_ALL);
    } else {
        writeAccess = true;
    }
    VFSSecurityCallback secCallback;
    if (writeAccess) {
        SubscriptionContext sc = new SubscriptionContext(group, "toolfolder");
        secCallback = new FullAccessWithLazyQuotaCallback(folderPath, QuotaConstants.IDENTIFIER_DEFAULT_GROUPS, sc);
    } else {
        secCallback = new ReadOnlyCallback();
    }
    grpContainer.setLocalSecurityCallback(secCallback);
    return grpContainer;
}

Example 13 with ReadOnlyCallback

use of org.olat.core.util.vfs.callbacks.ReadOnlyCallback in project openolat by klemens.

the class MergedCourseContainer method addFolders.

private void addFolders(PersistingCourseImpl course, MergeSource nodesContainer, TreeNode courseNode) {
    if (courseNode == null)
        return;
    for (int i = 0; i < courseNode.getChildCount(); i++) {
        TreeNode child = (TreeNode) courseNode.getChildAt(i);
        NodeEvaluation nodeEval;
        if (child.getUserObject() instanceof NodeEvaluation) {
            nodeEval = (NodeEvaluation) child.getUserObject();
        } else {
            continue;
        }
        if (nodeEval != null && nodeEval.getCourseNode() != null) {
            CourseNode courseNodeChild = nodeEval.getCourseNode();
            String folderName = RequestUtil.normalizeFilename(courseNodeChild.getShortTitle());
            if (courseNodeChild instanceof BCCourseNode) {
                final BCCourseNode bcNode = (BCCourseNode) courseNodeChild;
                // add folder not to merge source. Use name and node id to have unique name
                VFSContainer rootFolder = getBCContainer(course, bcNode, nodeEval, false);
                boolean canDownload = nodeEval.isCapabilityAccessible("download");
                if (canDownload && rootFolder != null) {
                    if (courseReadOnly) {
                        rootFolder.setLocalSecurityCallback(new ReadOnlyCallback());
                    } else if (nodeEval.isCapabilityAccessible("upload")) {
                    // inherit the security callback from the course as for author
                    } else {
                        rootFolder.setLocalSecurityCallback(new ReadOnlyCallback());
                    }
                    folderName = getFolderName(nodesContainer, bcNode, folderName);
                    // Create a container for this node content and wrap it with a merge source which is attached to tree
                    VFSContainer nodeContentContainer = new NamedContainerImpl(folderName, rootFolder);
                    MergeSource courseNodeContainer = new MergeSource(nodesContainer, folderName);
                    courseNodeContainer.addContainersChildren(nodeContentContainer, true);
                    nodesContainer.addContainer(courseNodeContainer);
                    // Do recursion for all children
                    addFolders(course, courseNodeContainer, child);
                } else {
                    // For non-folder course nodes, add merge source (no files to show) ...
                    MergeSource courseNodeContainer = new MergeSource(null, folderName);
                    // , then do recursion for all children ...
                    addFolders(course, courseNodeContainer, child);
                    // ... but only add this container if it contains any children with at least one BC course node
                    if (courseNodeContainer.getItems().size() > 0) {
                        nodesContainer.addContainer(courseNodeContainer);
                    }
                }
            } else if (courseNodeChild instanceof PFCourseNode) {
                final PFCourseNode pfNode = (PFCourseNode) courseNodeChild;
                // add folder not to merge source. Use name and node id to have unique name
                PFManager pfManager = CoreSpringFactory.getImpl(PFManager.class);
                folderName = getFolderName(nodesContainer, pfNode, folderName);
                MergeSource courseNodeContainer = new MergeSource(nodesContainer, folderName);
                UserCourseEnvironment userCourseEnv = new UserCourseEnvironmentImpl(identityEnv, course.getCourseEnvironment());
                VFSContainer rootFolder = pfManager.provideCoachOrParticipantContainer(pfNode, userCourseEnv, identityEnv.getIdentity(), courseReadOnly);
                VFSContainer nodeContentContainer = new NamedContainerImpl(folderName, rootFolder);
                courseNodeContainer.addContainersChildren(nodeContentContainer, true);
                addFolders(course, courseNodeContainer, child);
                nodesContainer.addContainer(courseNodeContainer);
            } else {
                // For non-folder course nodes, add merge source (no files to show) ...
                MergeSource courseNodeContainer = new MergeSource(null, folderName);
                // , then do recursion for all children ...
                addFolders(course, courseNodeContainer, child);
                // ... but only add this container if it contains any children with at least one BC course node
                if (courseNodeContainer.getItems().size() > 0) {
                    nodesContainer.addContainer(courseNodeContainer);
                }
            }
        }
    }
}

Example 14 with ReadOnlyCallback

use of org.olat.core.util.vfs.callbacks.ReadOnlyCallback in project openolat by klemens.

the class MergedCourseContainer method init.

protected void init(PersistingCourseImpl persistingCourse) {
    super.init();
    RepositoryEntry courseRe = persistingCourse.getCourseEnvironment().getCourseGroupManager().getCourseEntry();
    courseReadOnly = !overrideReadOnly && (courseRe.getRepositoryEntryStatus().isClosed() || courseRe.getRepositoryEntryStatus().isUnpublished());
    if (courseReadOnly) {
        setLocalSecurityCallback(new ReadOnlyCallback());
    }
    if (identityEnv == null || identityEnv.getRoles().isOLATAdmin()) {
        VFSContainer courseContainer = persistingCourse.getIsolatedCourseFolder();
        if (courseReadOnly) {
            courseContainer.setLocalSecurityCallback(new ReadOnlyCallback());
        }
        addContainersChildren(courseContainer, true);
    } else {
        RepositoryEntry re = persistingCourse.getCourseEnvironment().getCourseGroupManager().getCourseEntry();
        RepositoryEntrySecurity reSecurity = RepositoryManager.getInstance().isAllowed(identityEnv.getIdentity(), identityEnv.getRoles(), re);
        if (reSecurity.isEntryAdmin()) {
            VFSContainer courseContainer = persistingCourse.getIsolatedCourseFolder();
            if (courseReadOnly) {
                courseContainer.setLocalSecurityCallback(new ReadOnlyCallback());
            }
            addContainersChildren(courseContainer, true);
        }
    }
    initSharedFolder(persistingCourse);
    // add all course building blocks of type BC to a virtual folder
    MergeSource nodesContainer = new MergeSource(null, "_courseelementdata");
    if (identityEnv == null) {
        CourseNode rootNode = persistingCourse.getRunStructure().getRootNode();
        addFoldersForAdmin(persistingCourse, nodesContainer, rootNode);
    } else {
        TreeEvaluation treeEval = new TreeEvaluation();
        GenericTreeModel treeModel = new GenericTreeModel();
        UserCourseEnvironment userCourseEnv = new UserCourseEnvironmentImpl(identityEnv, persistingCourse.getCourseEnvironment());
        CourseNode rootCn = userCourseEnv.getCourseEnvironment().getRunStructure().getRootNode();
        NodeEvaluation rootNodeEval = rootCn.eval(userCourseEnv.getConditionInterpreter(), treeEval, new VisibleTreeFilter());
        TreeNode treeRoot = rootNodeEval.getTreeNode();
        treeModel.setRootNode(treeRoot);
        addFolders(persistingCourse, nodesContainer, treeRoot);
    }
    if (nodesContainer.getItems().size() > 0) {
        addContainer(nodesContainer);
    }
}

Example 15 with ReadOnlyCallback

use of org.olat.core.util.vfs.callbacks.ReadOnlyCallback in project openolat by klemens.

the class MergedCourseContainer method initSharedFolder.

/**
 * Grab any shared folder that is configured, but only when in unchecked
 * security mode (no identity environment) or when the user has course
 * admin rights
 *
 * @param persistingCourse
 */
private void initSharedFolder(PersistingCourseImpl persistingCourse) {
    CourseConfig courseConfig = persistingCourse.getCourseConfig();
    String sfSoftkey = courseConfig.getSharedFolderSoftkey();
    if (StringHelper.containsNonWhitespace(sfSoftkey) && !CourseConfig.VALUE_EMPTY_SHAREDFOLDER_SOFTKEY.equals(sfSoftkey)) {
        RepositoryEntry re = persistingCourse.getCourseEnvironment().getCourseGroupManager().getCourseEntry();
        if (identityEnv == null || identityEnv.getRoles().isOLATAdmin() || RepositoryManager.getInstance().isOwnerOfRepositoryEntry(identityEnv.getIdentity(), re)) {
            OLATResource sharedResource = CoreSpringFactory.getImpl(RepositoryService.class).loadRepositoryEntryResourceBySoftKey(sfSoftkey);
            if (sharedResource != null) {
                OlatRootFolderImpl sharedFolder = SharedFolderManager.getInstance().getSharedFolder(sharedResource);
                if (sharedFolder != null) {
                    if (courseConfig.isSharedFolderReadOnlyMount() || courseReadOnly) {
                        sharedFolder.setLocalSecurityCallback(new ReadOnlyCallback());
                    }
                    // add local course folder's children as read/write source and any sharedfolder as subfolder
                    addContainer(new NamedContainerImpl("_sharedfolder", sharedFolder));
                }
            }
        }
    }
}