Examples with ShieldOutputStream org.olat.core.util.io.ShieldOutputStream used on opensource projects

Example 1 with ShieldOutputStream

use of org.olat.core.util.io.ShieldOutputStream in project OpenOLAT by OpenOLAT.

the class GroupBulkDownloadResource method prepare.

@Override
public void prepare(HttpServletResponse hres) {
    try {
        hres.setCharacterEncoding(encoding);
    } catch (Exception e) {
        log.error("", e);
    }
    String label = StringHelper.transformDisplayNameToFileSystemName(courseNode.getShortName()) + "_" + Formatter.formatDatetimeWithMinutes(new Date()) + ".zip";
    String urlEncodedLabel = StringHelper.urlEncodeUTF8(label);
    hres.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + urlEncodedLabel);
    hres.setHeader("Content-Description", urlEncodedLabel);
    try (ZipOutputStream zout = new ZipOutputStream(hres.getOutputStream())) {
        zout.setLevel(9);
        ICourse course = CourseFactory.loadCourse(courseOres);
        GTAManager gtaManager = CoreSpringFactory.getImpl(GTAManager.class);
        if (courseNode.getModuleConfiguration().getBooleanSafe(GTACourseNode.GTASK_GRADING)) {
            List<Identity> assessableIdentities = CoreSpringFactory.getImpl(BusinessGroupService.class).getMembers(groups, GroupRoles.participant.name());
            String courseTitle = course.getCourseTitle();
            String fileName = ExportUtil.createFileNameWithTimeStamp(courseTitle, "xlsx");
            List<AssessableCourseNode> nodes = Collections.<AssessableCourseNode>singletonList(courseNode);
            try (OutputStream out = new ShieldOutputStream(zout)) {
                zout.putNextEntry(new ZipEntry(fileName));
                ScoreAccountingHelper.createCourseResultsOverviewXMLTable(assessableIdentities, nodes, course, locale, out);
                zout.closeEntry();
            } catch (Exception e) {
                log.error("", e);
            }
        }
        TaskList taskList = gtaManager.getTaskList(course.getCourseEnvironment().getCourseGroupManager().getCourseEntry(), courseNode);
        for (BusinessGroup businessGroup : groups) {
            courseNode.archiveNodeData(course, businessGroup, taskList, "", zout);
        }
    } catch (Exception e) {
        log.error("", e);
    }
}

Example 2 with ShieldOutputStream

use of org.olat.core.util.io.ShieldOutputStream in project OpenOLAT by OpenOLAT.

the class GTACourseNode method archiveNodeData.

@Override
public boolean archiveNodeData(Locale locale, ICourse course, ArchiveOptions options, ZipOutputStream exportStream, String charset) {
    final GTAManager gtaManager = CoreSpringFactory.getImpl(GTAManager.class);
    final ModuleConfiguration config = getModuleConfiguration();
    String prefix;
    if (GTAType.group.name().equals(config.getStringValue(GTACourseNode.GTASK_TYPE))) {
        prefix = "grouptask_";
    } else {
        prefix = "ita_";
    }
    String dirName = prefix + StringHelper.transformDisplayNameToFileSystemName(getShortName()) + "_" + Formatter.formatDatetimeFilesystemSave(new Date(System.currentTimeMillis()));
    TaskList taskList = gtaManager.getTaskList(course.getCourseEnvironment().getCourseGroupManager().getCourseEntry(), this);
    // save assessment datas
    List<Identity> users = null;
    if (config.getBooleanSafe(GTASK_GRADING)) {
        users = ScoreAccountingHelper.loadUsers(course.getCourseEnvironment(), options);
        String courseTitle = course.getCourseTitle();
        String fileName = ExportUtil.createFileNameWithTimeStamp(courseTitle, "xlsx");
        List<AssessableCourseNode> nodes = Collections.<AssessableCourseNode>singletonList(this);
        try (OutputStream out = new ShieldOutputStream(exportStream)) {
            exportStream.putNextEntry(new ZipEntry(dirName + "/" + fileName));
            ScoreAccountingHelper.createCourseResultsOverviewXMLTable(users, nodes, course, locale, out);
            exportStream.closeEntry();
        } catch (Exception e) {
            log.error("", e);
        }
    }
    // copy tasks
    if (taskList != null) {
        if (GTAType.group.name().equals(config.getStringValue(GTACourseNode.GTASK_TYPE))) {
            List<BusinessGroup> selectedGroups;
            if (options != null && options.getGroup() != null) {
                selectedGroups = Collections.singletonList(options.getGroup());
            } else {
                selectedGroups = gtaManager.getBusinessGroups(this);
            }
            for (BusinessGroup businessGroup : selectedGroups) {
                archiveNodeData(course, businessGroup, taskList, dirName, exportStream);
            }
        } else {
            if (users == null) {
                users = ScoreAccountingHelper.loadUsers(course.getCourseEnvironment(), options);
            }
            Set<Identity> uniqueUsers = new HashSet<>(users);
            for (Identity user : uniqueUsers) {
                archiveNodeData(course, user, taskList, dirName, exportStream);
            }
        }
    }
    // copy solutions
    if (config.getBooleanSafe(GTACourseNode.GTASK_SAMPLE_SOLUTION)) {
        VFSContainer solutions = gtaManager.getSolutionsContainer(course.getCourseEnvironment(), this);
        if (solutions.exists()) {
            String solutionDirName = dirName + "/solutions";
            for (VFSItem solution : solutions.getItems(new SystemItemFilter())) {
                ZipUtil.addToZip(solution, solutionDirName, exportStream);
            }
        }
    }
    return true;
}

Example 3 with ShieldOutputStream

use of org.olat.core.util.io.ShieldOutputStream in project OpenOLAT by OpenOLAT.

the class ExportBinderAsCPResource method prepare.

@Override
public void prepare(HttpServletResponse hres) {
    try {
        hres.setCharacterEncoding("UTF-8");
    } catch (Exception e) {
        log.error("", e);
    }
    try (ZipOutputStream zout = new ZipOutputStream(hres.getOutputStream())) {
        Binder binder = portfolioService.getBinderByKey(binderRef.getKey());
        String label = binder.getTitle();
        String secureLabel = StringHelper.transformDisplayNameToFileSystemName(label);
        String file = secureLabel + ".zip";
        hres.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + StringHelper.urlEncodeUTF8(file));
        hres.setHeader("Content-Description", StringHelper.urlEncodeUTF8(label));
        // load pages
        List<Section> sections = portfolioService.getSections(binder);
        List<Page> pages = portfolioService.getPages(binder, null);
        // manifest
        ManifestType manifest = createImsManifest(binder, sections, pages);
        zout.putNextEntry(new ZipEntry("imsmanifest.xml"));
        write(manifest, new ShieldOutputStream(zout));
        zout.closeEntry();
        // write pages
        for (Section section : sections) {
            exportSection(section, zout);
        }
        // write pages
        for (Page page : pages) {
            exportPage(page, zout);
        }
        // theme and javascripts
        exportCSSAndJs(zout);
        // make it readable offline
        ByteArrayOutputStream manifestOut = new ByteArrayOutputStream();
        write(manifest, manifestOut);
        String manifestXml = new String(manifestOut.toByteArray());
        String indexSrc = sectionFilename(sections.get(0));
        CPOfflineReadableManager.getInstance().makeCPOfflineReadable(manifestXml, indexSrc, zout);
    } catch (Exception e) {
        log.error("", e);
    }
}

Example 4 with ShieldOutputStream

use of org.olat.core.util.io.ShieldOutputStream in project OpenOLAT by OpenOLAT.

the class ForumDownloadResource method prepare.

@Override
public void prepare(HttpServletResponse hres) {
    try {
        hres.setCharacterEncoding("UTF-8");
    } catch (Exception e) {
        log.error("", e);
    }
    try (ZipOutputStream zout = new ZipOutputStream(hres.getOutputStream())) {
        String secureLabel = StringHelper.transformDisplayNameToFileSystemName(label);
        String file = secureLabel + ".zip";
        hres.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + StringHelper.urlEncodeUTF8(file));
        hres.setHeader("Content-Description", StringHelper.urlEncodeUTF8(label));
        ZipEntry test = new ZipEntry(secureLabel + ".docx");
        zout.putNextEntry(test);
        Map<File, DocReference> attachments = exportForum(zout);
        zout.closeEntry();
        if (attachments != null && attachments.size() > 0) {
            for (Map.Entry<File, DocReference> attachmentEntry : attachments.entrySet()) {
                File attachment = attachmentEntry.getKey();
                DocReference ref = attachmentEntry.getValue();
                zout.putNextEntry(new ZipEntry("attachments/" + ref.getFilename()));
                Files.copy(attachment.toPath(), new ShieldOutputStream(zout));
                zout.closeEntry();
            }
        }
    } catch (Exception e) {
        log.error("", e);
    }
}

Example 5 with ShieldOutputStream

use of org.olat.core.util.io.ShieldOutputStream in project OpenOLAT by OpenOLAT.

the class QTI21ExportProcessor method assembleTest.

public void assembleTest(List<QuestionItemFull> fullItems, ZipOutputStream zout) {
    try {
        QtiSerializer qtiSerializer = qtiService.qtiSerializer();
        // imsmanifest
        ManifestBuilder manifest = ManifestBuilder.createAssessmentTestBuilder();
        // assessment test
        AssessmentTest assessmentTest = AssessmentTestFactory.createAssessmentTest("Assessment test from pool", "Section");
        String assessmentTestFilename = assessmentTest.getIdentifier() + ".xml";
        manifest.appendAssessmentTest(assessmentTestFilename);
        // make a section
        AssessmentSection section = assessmentTest.getTestParts().get(0).getAssessmentSections().get(0);
        // assessment items
        for (QuestionItemFull qitem : fullItems) {
            File resourceDirectory = qpoolFileStorage.getDirectory(qitem.getDirectory());
            File itemFile = new File(resourceDirectory, qitem.getRootFilename());
            String itemFilename = itemFile.getName();
            String container = qitem.getKey().toString();
            String containedFilename = container + "/" + itemFilename;
            ResolvedAssessmentItem resolvedAssessmentItem = qtiService.loadAndResolveAssessmentItemForCopy(itemFile.toURI(), resourceDirectory);
            ZipUtil.addFileToZip(containedFilename, itemFile, zout);
            AssessmentTestFactory.appendAssessmentItem(section, containedFilename);
            manifest.appendAssessmentItem(containedFilename);
            ManifestMetadataBuilder metadata = manifest.getResourceBuilderByHref(containedFilename);
            metadata.appendMetadataFrom(qitem, resolvedAssessmentItem, locale);
            // write materials
            try {
                Files.walkFileTree(resourceDirectory.toPath(), new SimpleFileVisitor<Path>() {

                    @Override
                    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                        String filename = file.getFileName().toString();
                        if (!"imsmanifest.xml".equals(filename) && !filename.startsWith(".") && !itemFilename.equals(filename)) {
                            String relPath = resourceDirectory.toPath().relativize(file).toString();
                            ZipUtil.addFileToZip(container + "/" + relPath, file, zout);
                        }
                        return FileVisitResult.CONTINUE;
                    }
                });
            } catch (IOException e) {
                log.error("", e);
            }
        }
        zout.putNextEntry(new ZipEntry(assessmentTestFilename));
        qtiSerializer.serializeJqtiObject(assessmentTest, new ShieldOutputStream(zout));
        zout.closeEntry();
        zout.putNextEntry(new ZipEntry("imsmanifest.xml"));
        manifest.write(new ShieldOutputStream(zout));
        zout.closeEntry();
    } catch (IOException | URISyntaxException e) {
        log.error("", e);
    }
}