Some code formattig, added function for fixing item and asset permissions (sometimes they are not correctly inherited from the folder.

ccm-cms/src/main/java/org/librecms/pages/PagesController.java

@@ -580,16 +580,28 @@ public class PagesController {
 
         final Page page = pageManager.findPageForCategory(category);
         pagePropertiesModel.setProperties(page.getProperties());
+        try {
+            final String result;
             if (itemName.equals("index") || itemName.isBlank()) {
-            return themesMvc.getMvcTemplate(
+                result = themesMvc.getMvcTemplate(
                     uriInfo, "pages", page.getDisplayName()
                 );
+               
             } else {
-            return themesMvc.getMvcTemplate(
+                result = themesMvc.getMvcTemplate(
                     uriInfo, "pages", "item-page"
                 );
             }
-
+            return result;
+        } catch (Exception ex) {
+            throw new WebApplicationException(
+                "An error occured while rendering the page.",
+                ex,
+                Response.serverError().entity(
+                    "An error occured while rendering the page."
+                ).build()
+            );
+        }
     }
 
     private void initSiteInfoModel(

ccm-cms/src/main/java/org/librecms/pages/models/ContentItemListItemModel.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.pages.models;
+
+import org.librecms.contentsection.ContentItem;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class ContentItemListItemModel extends AbstractContentItemListItemModel {
+    
+    @Override
+    public String getType() {
+        return ContentItem.class.getName();
+    }
+    
+}

ccm-cms/src/main/java/org/librecms/pages/models/ContentItemListModelBuilder.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.pages.models;
+
+import org.librecms.contentsection.ContentItem;
+
+import javax.enterprise.context.RequestScoped;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RequestScoped
+public class ContentItemListModelBuilder
+    extends AbstractContentItemListItemModelBuilder<ContentItem, ContentItemListItemModel> {
+
+    @Override
+    public Class<ContentItem> buildsListItemModelFor() {
+        return ContentItem.class;
+    }
+
+    @Override
+    protected ContentItemListItemModel buildModel() {
+        return new ContentItemListItemModel();
+    }
+
+}

ccm-cms/src/main/java/org/librecms/pages/models/ItemListModel.java

@@ -251,10 +251,11 @@ public class ItemListModel {
                     criteriaBuilder.isNull(catJoin.get("type")),
                     criteriaBuilder.equal(
                         from.get("version"), ContentItemVersion.LIVE
-                    ),
-                     buildPermissionsCheck(
-                        criteriaBuilder, from, permissionsJoin
                     )
+//                    ,
+//                     buildPermissionsCheck(
+//                        criteriaBuilder, from, permissionsJoin
+//                    )
                 )
             );
 
@@ -265,7 +266,7 @@ public class ItemListModel {
                 .collect(Collectors.toList())
         );
 
-        return entityManager
+        final List<? extends AbstractContentItemListItemModel> result = entityManager
             .createQuery(criteriaQuery)
             .getResultList()
             .stream()
@@ -278,6 +279,8 @@ public class ItemListModel {
             .limit(pageSize)
             .map(this::buildListItemModel)
             .collect(Collectors.toList());
+        
+        return result;
     }
 
     private List<Category> collectCategories(final Category category) {

ccm-cms/src/main/java/org/librecms/ui/contentsections/ConfigurationController.java

@@ -93,6 +93,8 @@ public class ConfigurationController {
         return "org/librecms/ui/contentsection/configuration/index.xhtml";
     }
 
+    
+    
     /**
      * Checks if the current user is permitted to access the configurations page
      * of the content section.

ccm-cms/src/main/java/org/librecms/ui/contentsections/ConfigurationFixItemPermissionsController.java

@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.ui.contentsections;
+
+import org.libreccm.categorization.Categorization;
+import org.libreccm.security.AuthorizationRequired;
+import org.libreccm.security.PermissionManager;
+import org.librecms.contentsection.Asset;
+import org.librecms.contentsection.ContentItem;
+import org.librecms.contentsection.ContentSection;
+import org.librecms.contentsection.ContentSectionManager;
+import org.librecms.contentsection.Folder;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
+import javax.mvc.Controller;
+import javax.transaction.Transactional;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+
+/**
+ * Controller for the fix item and asset permissions function.
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RequestScoped
+@Controller
+@Path("/{sectionIdentifier}/configuration/fix-item-and-asset-permissions")
+public class ConfigurationFixItemPermissionsController {
+
+    /**
+     * Used to check the admin permissions of a content section.
+     */
+    @Inject
+    private AdminPermissionsChecker adminPermissionsChecker;
+
+//    @Inject
+//    private ContentSectionManager sectionManager;
+    @Inject
+    private ContentSectionModel sectionModel;
+
+    /**
+     * Common functions for views working with {@link ContentSection}s.
+     */
+    @Inject
+    private ContentSectionsUi sectionsUi;
+
+//    @Inject
+//    private PermissionManager permissionManager;
+//    
+    
+    @Inject
+    private FixItemPermissionsTaskManager taskManager;
+    
+    @POST
+    @Path("/")
+    @AuthorizationRequired
+    @Transactional(Transactional.TxType.REQUIRED)
+    public String fixItemAndAssetPermissions(
+        @PathParam("sectionIdentifier") final String sectionIdentifierParam
+    ) {
+        final Optional<ContentSection> sectionResult = sectionsUi
+            .findContentSection(sectionIdentifierParam);
+        if (!sectionResult.isPresent()) {
+            return sectionsUi.showContentSectionNotFound(sectionIdentifierParam);
+        }
+        final ContentSection section = sectionResult.get();
+        sectionModel.setSection(section);
+        if (!adminPermissionsChecker.canAdministerContentTypes(section)) {
+            return sectionsUi.showAccessDenied(
+                "sectionIdentifier", sectionIdentifierParam
+            );
+        }
+
+//        fixContentItemPermissions(section.getRootDocumentsFolder());
+//        fixAssetPermissions(section.getRootAssetsFolder());
+
+        taskManager.fixItemPermissions(section);
+
+        return String.format(
+            "redirect:%s/configuration", sectionIdentifierParam
+        );
+    }
+
+//    private void fixContentItemPermissions(final Folder folder) {
+//        final List<ContentItem> items = folder
+//            .getObjects()
+//            .stream()
+//            .map(Categorization::getCategorizedObject)
+//            .filter(obj -> obj instanceof ContentItem)
+//            .map(obj -> (ContentItem) obj)
+//            .collect(Collectors.toList());
+//        
+//        for(final ContentItem item : items) {
+//            permissionManager.copyPermissions(folder, item, true);
+//        }
+//        
+//        for(final Folder subFolder : folder.getSubFolders()) {
+//            fixContentItemPermissions(subFolder);
+//        }
+//    }
+//    
+//    private void fixAssetPermissions(final Folder folder) {
+//        final List<Asset> assets = folder
+//            .getObjects()
+//            .stream()
+//            .map(Categorization::getCategorizedObject)
+//            .filter(obj -> obj instanceof Asset)
+//            .map(obj -> (Asset) obj)
+//            .collect(Collectors.toList());
+//        
+//        for(final Asset asset : assets) {
+//            permissionManager.copyPermissions(folder, asset, true);
+//        }
+//        
+//        for(final Folder subFolder : folder.getSubFolders()) {
+//            fixAssetPermissions(subFolder);
+//        }
+//    }
+}

ccm-cms/src/main/java/org/librecms/ui/contentsections/ContentSectionApplication.java

@@ -76,6 +76,7 @@ public class ContentSectionApplication extends Application {
         classes.add(ConfigurationController.class);
         classes.add(ConfigurationContactEntryKeysController.class);
         classes.add(ConfigurationDocumentTypesController.class);
+        classes.add(ConfigurationFixItemPermissionsController.class);
         classes.add(ConfigurationLifecyclesController.class);
         classes.add(ConfigurationRolesController.class);
         classes.add(ConfigurationWorkflowController.class);

ccm-cms/src/main/java/org/librecms/ui/contentsections/FixItemPermissions.java

@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.ui.contentsections;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.libreccm.categorization.Categorization;
+import org.libreccm.core.CcmObject;
+import org.libreccm.security.PermissionManager;
+import org.librecms.contentsection.Asset;
+import org.librecms.contentsection.AssetManager;
+import org.librecms.contentsection.ContentItem;
+import org.librecms.contentsection.ContentItemManager;
+import org.librecms.contentsection.ContentSection;
+import org.librecms.contentsection.ContentSectionRepository;
+import org.librecms.contentsection.Folder;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.inject.Inject;
+import javax.transaction.Transactional;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@ApplicationScoped
+public class FixItemPermissions {
+
+    private static final Logger LOGGER = LogManager.getLogger(
+        FixItemPermissions.class
+    );
+
+    @Inject
+    private AssetManager assetManager;
+
+    @Inject
+    private ContentItemManager itemManager;
+
+    @Inject
+    private ContentSectionRepository sectionRepo;
+
+    @Inject
+    private PermissionManager permissionManager;
+
+    @Transactional(Transactional.TxType.REQUIRED)
+    public void fixItemPermissions(final ContentSection contentSection) {
+        final String sectionUuid = Optional
+            .ofNullable(contentSection)
+            .map(ContentSection::getUuid)
+            .orElseThrow(
+                () -> new IllegalArgumentException(
+                    "Can't fix ItemPermissions for content section null"
+                )
+            );
+
+        final ContentSection section = sectionRepo
+            .findByUuid(sectionUuid)
+            .orElseThrow(
+                () -> new IllegalArgumentException(
+                    String.format(
+                        "No ContentSection with UUID %s in the database.",
+                        sectionUuid
+                    )
+                )
+            );
+
+        fixContentItemPermissions(section.getRootDocumentsFolder());
+        fixAssetPermissions(section.getRootAssetsFolder());
+    }
+
+    private void fixContentItemPermissions(final Folder folder) {
+        final List<ContentItem> items = new ArrayList<>();
+        for (final Categorization categorization : folder.getObjects()) {
+            final CcmObject categorized = categorization.getCategorizedObject();
+            if (categorized instanceof ContentItem) {
+                items.add((ContentItem) categorized);
+            }
+        }
+
+//        final List<ContentItem> items = folder
+//            .getObjects()
+//            .stream()
+//            .map(Categorization::getCategorizedObject)
+//            .filter(obj -> obj instanceof ContentItem)
+//            .map(obj -> (ContentItem) obj)
+//            .collect(Collectors.toList());
+        for (final ContentItem item : items) {
+            LOGGER.info(
+                "Fixing permissions for item {} {}",
+                item.getUuid(),
+                itemManager.getItemPath(item)
+            );
+            permissionManager.copyPermissions(folder, item, true);
+
+            if (itemManager.isLive(item)) {
+                permissionManager.copyPermissions(
+                    folder,
+                    itemManager.getLiveVersion(item, ContentItem.class).get(),
+                    true
+                );
+            }
+        }
+
+        for (final Folder subFolder : folder.getSubFolders()) {
+            fixContentItemPermissions(subFolder);
+        }
+    }
+
+    private void fixAssetPermissions(final Folder folder) {
+        final List<Asset> assets = folder
+            .getObjects()
+            .stream()
+            .map(Categorization::getCategorizedObject)
+            .filter(obj -> obj instanceof Asset)
+            .map(obj -> (Asset) obj)
+            .collect(Collectors.toList());
+
+        for (final Asset asset : assets) {
+            LOGGER.info(
+                "Fixing permissions for asset {} {}...",
+                asset.getUuid(),
+                assetManager.getAssetPath(asset)
+            );
+            permissionManager.copyPermissions(folder, asset, true);
+        }
+
+        for (final Folder subFolder : folder.getSubFolders()) {
+            fixAssetPermissions(subFolder);
+        }
+    }
+
+}

ccm-cms/src/main/java/org/librecms/ui/contentsections/FixItemPermissionsStatus.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.ui.contentsections;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public enum FixItemPermissionsStatus {
+    
+     /**
+     * An error occured during the process.
+     */
+    ERROR,
+    /**
+     * The import or export task is finished.
+     */
+    FINISHED,
+    /**
+     * The task is still running.
+     */
+    RUNNING,
+    
+}

ccm-cms/src/main/java/org/librecms/ui/contentsections/FixItemPermissionsTask.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.ui.contentsections;
+
+import org.apache.shiro.mgt.SecurityManager;
+import org.librecms.contentsection.ContentSection;
+
+import java.time.LocalDate;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class FixItemPermissionsTask {
+
+    private final ContentSection contentSection;
+
+    private final LocalDate started;
+
+    private final FixItemPermissionsTaskStatus status;
+
+    private final org.apache.shiro.mgt.SecurityManager securityManager;
+
+    public FixItemPermissionsTask(
+        final ContentSection contentSection,
+        final LocalDate started,
+        final FixItemPermissionsTaskStatus status,
+        final org.apache.shiro.mgt.SecurityManager securityManager
+    ) {
+        this.contentSection = contentSection;
+        this.started = started;
+        this.status = status;
+        this.securityManager = securityManager;
+    }
+
+    public ContentSection getContentSection() {
+        return contentSection;
+    }
+
+    public LocalDate getStarted() {
+        return started;
+    }
+
+    public FixItemPermissionsTaskStatus getStatus() {
+        return status;
+    }
+
+    public SecurityManager getSecurityManager() {
+        return securityManager;
+    }
+
+}

ccm-cms/src/main/java/org/librecms/ui/contentsections/FixItemPermissionsTaskManager.java

@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.ui.contentsections;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.apache.shiro.SecurityUtils;
+import org.librecms.contentsection.ContentSection;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Optional;
+import java.util.SortedSet;
+import java.util.TreeSet;
+import java.util.stream.Collectors;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.enterprise.event.Event;
+import javax.inject.Inject;
+import javax.transaction.Transactional;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@ApplicationScoped
+public class FixItemPermissionsTaskManager {
+
+    private static final Logger LOGGER = LogManager.getLogger(
+        FixItemPermissionsTaskManager.class
+    );
+
+    @Inject
+    private Event<FixItemPermissionsTask> taskSender;
+
+    private final SortedSet<FixItemPermissionsTaskStatus> tasks;
+
+    public SortedSet<FixItemPermissionsTaskStatus> getTasks() {
+        return Collections.unmodifiableSortedSet(tasks);
+    }
+
+    public boolean isTaskActiveForContentSection(final ContentSection section) {
+        return isTaskActiveForContentSection(
+            Optional
+                .ofNullable(section)
+                .map(ContentSection::getLabel)
+                .orElseThrow(
+                    () -> new IllegalArgumentException(
+                        "Can't check task status for ContentSection null."
+                    )
+                )
+        );
+    }
+
+    public boolean isTaskActiveForContentSection(final String name) {
+        return tasks
+            .stream()
+            .anyMatch(
+                task -> task.getContentSection().equals(name)
+                            && task.getStatus()
+                                   == FixItemPermissionsStatus.RUNNING
+            );
+    }
+
+    public boolean isTaskFailedForContentSection(final String name) {
+        return tasks
+            .stream()
+            .anyMatch(
+                task -> task.getContentSection().equals(name)
+                            && task.getStatus()
+                                   == FixItemPermissionsStatus.ERROR
+            );
+    }
+
+    public FixItemPermissionsTaskManager() {
+        tasks = new TreeSet<>(
+            Comparator
+                .comparing(FixItemPermissionsTaskStatus::getStarted)
+                .thenComparing(FixItemPermissionsTaskStatus::getContentSection)
+        );
+    }
+
+    @Transactional(Transactional.TxType.REQUIRED)
+    public void fixItemPermissions(final ContentSection section) {
+        if (isTaskActiveForContentSection(section)) {
+            throw new IllegalArgumentException(
+                String.format(
+                    "A FixItemPermissionsTask is already active for content "
+                        + "section %s.",
+                    section.getLabel()
+                )
+            );
+        }
+
+        tasks.removeAll(
+            tasks
+                .stream()
+                .filter(task -> task.getStatus()
+                                == FixItemPermissionsStatus.ERROR
+                                    || task.getStatus()
+                                       == FixItemPermissionsStatus.FINISHED)
+                .collect(Collectors.toSet())
+        );
+
+        final FixItemPermissionsTaskStatus taskStatus
+            = new FixItemPermissionsTaskStatus();
+        taskStatus.setContentSection(section.getLabel());
+        taskStatus.setStarted(LocalDateTime.now());
+        taskSender.fireAsync(
+            new FixItemPermissionsTask(
+                section,
+                LocalDate.now(),
+                taskStatus,
+                SecurityUtils.getSecurityManager()
+            )
+        ).handle((task, ex) -> handleTaskResult(task, ex, taskStatus));
+
+        taskStatus.setStatus(FixItemPermissionsStatus.RUNNING);
+    }
+
+    private Object handleTaskResult(
+        final FixItemPermissionsTask task,
+        final Throwable ex,
+        final FixItemPermissionsTaskStatus status
+    ) {
+        if (ex == null) {
+            status.setStatus(FixItemPermissionsStatus.FINISHED);
+        } else {
+            status.setStatus(FixItemPermissionsStatus.ERROR);
+            status.setException(ex);
+            LOGGER.error(
+                "Fix Item Permissions  for Content Section {} failed ",
+                status.getContentSection()
+            );
+            LOGGER.error("with exception:", ex);
+        }
+
+        return task;
+    }
+
+}

ccm-cms/src/main/java/org/librecms/ui/contentsections/FixItemPermissionsTaskStatus.java

@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.ui.contentsections;
+
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.util.Comparator;
+import java.util.Objects;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class FixItemPermissionsTaskStatus
+    implements Comparable<FixItemPermissionsTaskStatus> {
+
+    /**
+     * The content section for which the task was started.
+     */
+    private String contentSection;
+
+    /**
+     * When was the task started?
+     */
+    private LocalDateTime started;
+
+    /**
+     * The status of the task.
+     */
+    private FixItemPermissionsStatus status;
+
+    /**
+     * If the proces throw an exception, it is stored here.
+     */
+    private Throwable exception;
+
+    public String getContentSection() {
+        return contentSection;
+    }
+
+    protected void setContentSection(final String contentSection) {
+        this.contentSection = contentSection;
+    }
+
+    public LocalDateTime getStarted() {
+        return started;
+    }
+
+    protected void setStarted(final LocalDateTime started) {
+        this.started = started;
+    }
+
+    public FixItemPermissionsStatus getStatus() {
+        return status;
+    }
+
+    protected void setStatus(final FixItemPermissionsStatus status) {
+        this.status = status;
+    }
+
+    public Throwable getException() {
+        return exception;
+    }
+
+    protected void setException(final Throwable exception) {
+        this.exception = exception;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 5;
+        hash = 17 * hash + Objects.hashCode(contentSection);
+        hash = 17 * hash + Objects.hashCode(started);
+        hash = 17 * hash + Objects.hashCode(status);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (obj instanceof FixItemPermissionsTaskStatus) {
+            return false;
+        }
+        final FixItemPermissionsTaskStatus other
+            = (FixItemPermissionsTaskStatus) obj;
+        if (!other.canEqual(this)) {
+            return false;
+        }
+        if (!Objects.equals(contentSection, other.getContentSection())) {
+            return false;
+        }
+        if (!Objects.equals(started, other.getStarted())) {
+            return false;
+        }
+        return status == other.getStatus();
+    }
+
+    public boolean canEqual(final Object obj) {
+        return obj instanceof FixItemPermissionsTaskStatus;
+    }
+
+    @Override
+    public int compareTo(final FixItemPermissionsTaskStatus other) {
+        return Comparator
+            .nullsFirst(
+                Comparator
+                    .comparing(FixItemPermissionsTaskStatus::getContentSection)
+                    .thenComparing(FixItemPermissionsTaskStatus::getStarted)
+            )
+            .compare(this, other);
+    }
+
+    @Override
+    public String toString() {
+        return String.format(
+            "%s{"
+                + "contentSection = %s, "
+                + "started = %s, "
+                + "status = %s"
+                + "}",
+            super.toString(),
+            contentSection,
+            DateTimeFormatter.ISO_DATE_TIME
+                .withZone(ZoneId.systemDefault())
+                .format(started),
+            Objects.toString(status)
+        );
+    }
+
+}

ccm-cms/src/main/java/org/librecms/ui/contentsections/FixItemPermissionsTaskStatusModel.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.ui.contentsections;
+
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
+import javax.inject.Named;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RequestScoped
+@Named("FixItemPermissionsTaskStatusModel")
+public class FixItemPermissionsTaskStatusModel {
+    
+    @Inject
+    private ContentSectionModel sectionModel;
+    
+    @Inject
+    private FixItemPermissionsTaskManager taskManager;
+    
+    public boolean isTaskRunningForContentSection() {
+        return taskManager.isTaskActiveForContentSection(
+            sectionModel.getSectionName()
+        );
+    }
+    
+    public boolean isTaskFailedForContentSection() {
+        return taskManager.isTaskFailedForContentSection(
+            sectionModel.getSectionName()
+        );
+    }
+    
+}

ccm-cms/src/main/java/org/librecms/ui/contentsections/FixItemPermissionsTasks.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.ui.contentsections;
+
+import org.apache.shiro.util.ThreadContext;
+import org.libreccm.security.Shiro;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.enterprise.event.ObservesAsync;
+import javax.inject.Inject;
+import javax.transaction.Transactional;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@ApplicationScoped
+public class FixItemPermissionsTasks {
+    
+    @Inject
+    private FixItemPermissions fixItemPermissions;
+    
+      @Inject
+    private Shiro shiro;
+      
+    @Transactional(Transactional.TxType.REQUIRED)
+    public void fixItemPermissions(
+        @ObservesAsync final FixItemPermissionsTask task
+    ) {
+        ThreadContext.bind(task.getSecurityManager());
+        shiro.getSystemUser().execute(() -> executeFixItemPermissions(task));
+    }
+    
+    
+    private void executeFixItemPermissions(final FixItemPermissionsTask task) {
+        fixItemPermissions.fixItemPermissions(task.getContentSection());
+    }
+    
+}

ccm-cms/src/main/resources/WEB-INF/views/org/librecms/ui/contentsection/configuration/index.xhtml

@@ -136,6 +136,51 @@
                             </p> 
                         </div>
                     </div>
+                    <div class="col mb-4">
+                        <div aria-describedby="configuration-fixitemandassetspermissions-body"
+                             class="card pt-2"
+                             id="configuration-fixitemandassetspermissions">
+                            <svg aria-hidden="true"
+                                 class="card-img-top"
+                                 fill="currentColor">
+                                <use xlink:href="#{request.contextPath}/assets/bootstrap/bootstrap-icons.svg#screwdriver" />
+                            </svg>
+                        </div>
+                        <form action="#{mvc.basePath}/#{ContentSectionModel.sectionName}/configuration/fix-item-and-asset-permissions" 
+                              class="card-body"
+                              id="configuration-fixitemandassetspermissions-body"
+                              method="post">
+                            <h2 class="card-title">
+                                <c:choose>
+                                    <c:when test="#{FixItemPermissionsTaskStatusModel.taskRunningForContentSection}">
+                                        #{CmsAdminMessages['contentsection.configuration.fixitemandassetspermissions.title']}
+                                    </c:when>
+                                    <c:otherwise>
+                                        <button class="btn btn-link stretched-link"
+                                                type="submit">
+                                            #{CmsAdminMessages['contentsection.configuration.fixitemandassetspermissions.title']}
+                                        </button>
+                                    </c:otherwise>
+
+                                </c:choose>
+                            </h2>
+                            <p class="card-text">
+                                <c:if test="#{FixItemPermissionsTaskStatusModel.taskFailedForContentSection}">
+                                    <div class="alert alert-danger" role="alert">
+                                        #{CmsAdminMessages['contentsection.configuration.fixitemandassetspermissions.failed']}
+                                    </div>
+                                </c:if>
+                                <c:choose>
+                                    <c:when test="#{FixItemPermissionsTaskStatusModel.taskRunningForContentSection}">
+                                        #{CmsAdminMessages['contentsection.configuration.fixitemandassetspermissions.running']}
+                                    </c:when>
+                                    <c:otherwise>
+                                        #{CmsAdminMessages['contentsection.configuration.fixitemandassetspermissions.description']}
+                                    </c:otherwise>
+                                </c:choose>
+                            </p> 
+                        </form>
+                    </div>
                 </div>
             </div>
         </ui:define>

ccm-cms/src/main/resources/org/librecms/CmsAdminMessages.properties

@@ -1030,3 +1030,7 @@ pages.page.details.displayname.dialog.displayname.help=The display name of the p
 pages.page.details.displayname.dialog.submit=Save
 pages.page.details.displayname.edit=Edit display name
 pages.page.details.dialog.displayname.label=Display name
+contentsection.configuration.fixitemandassetspermissions.title=Fix permissions
+contentsection.configuration.fixitemandassetspermissions.description=Repairs the permissions for items and assets
+contentsection.configuration.fixitemandassetspermissions.running=Fixing permissions for item and assets...
+contentsection.configuration.fixitemandassetspermissions.failed=Failed to repair permissions for items and assets. Check the log for details.

ccm-cms/src/main/resources/org/librecms/CmsAdminMessages_de.properties

@@ -1031,3 +1031,7 @@ pages.page.details.displayname.dialog.displayname.help=The display name of the p
 pages.page.details.displayname.dialog.submit=Speichern
 pages.page.details.displayname.edit=Display Name bearbeiten
 pages.page.details.dialog.displayname.label=Display Name
+contentsection.configuration.fixitemandassetspermissions.title=Berechtigungen reparieren
+contentsection.configuration.fixitemandassetspermissions.description=Repariert die Berechtigungen f\u00fcr Dokumente und Assets
+contentsection.configuration.fixitemandassetspermissions.running=Repariere Berechtigungen f\u00fcr Dokumente und Assets 
+contentsection.configuration.fixitemandassetspermissions.failed=Reparieren der Berechtigungen f\u00fcr Dokumente und Assets fehlgeschlagen. Weitere Informationen im Log.

ccm-core/src/main/java/org/libreccm/mvc/freemarker/MvcFreemarkerConfigurationProducer.java

@@ -18,6 +18,8 @@
  */
 package org.libreccm.mvc.freemarker;
 
+import com.arsdigita.kernel.KernelConfig;
+
 import freemarker.cache.ClassTemplateLoader;
 import freemarker.cache.MultiTemplateLoader;
 import freemarker.cache.TemplateLoader;
@@ -26,6 +28,7 @@ import freemarker.template.Configuration;
 import freemarker.template.TemplateExceptionHandler;
 import org.eclipse.krazo.engine.ViewEngineConfig;
 import org.eclipse.krazo.ext.freemarker.DefaultConfigurationProducer;
+import org.libreccm.configuration.ConfigurationManager;
 import org.libreccm.theming.Themes;
 
 import javax.enterprise.inject.Produces;
@@ -43,6 +46,9 @@ import javax.servlet.ServletContext;
 public class MvcFreemarkerConfigurationProducer
     extends DefaultConfigurationProducer {
 
+    @Inject
+    private ConfigurationManager confManager;
+
     @Inject
     private Models models;
 
@@ -60,15 +66,27 @@ public class MvcFreemarkerConfigurationProducer
     @Specializes
     @Override
     public Configuration getConfiguration() {
+        final KernelConfig kernelConfig = confManager.findConfiguration(
+            KernelConfig.class
+        );
+
         final Configuration configuration = new Configuration(
             Configuration.VERSION_2_3_30
         );
 
         configuration.setDefaultEncoding("UTF-8");
+        if (kernelConfig.isDebugEnabled()) {
+            configuration.setTemplateExceptionHandler(
+                TemplateExceptionHandler.DEBUG_HANDLER
+            );
+            configuration.setLogTemplateExceptions(true);
+        } else {
             configuration.setTemplateExceptionHandler(
                 TemplateExceptionHandler.RETHROW_HANDLER
             );
             configuration.setLogTemplateExceptions(false);
+        }
+        
         configuration.setWrapUncheckedExceptions(false);
         configuration.setLocalizedLookup(false);
         configuration.setTemplateLoader(

ccm-core/src/main/java/org/libreccm/security/PermissionManager.java

@@ -57,8 +57,10 @@ public class PermissionManager implements Serializable {
 
     @SuppressWarnings("PMD.LongVariable")
     private static final String QUERY_PARAM_OBJECT = "object";
+
     @SuppressWarnings("PMD.LongVariable")
     private static final String QUERY_PARAM_GRANTEE = "grantee";
+
     @SuppressWarnings("PMD.LongVariable")
     private static final String QUERY_PARAM_PRIVILEGE = "privilege";
 
@@ -79,8 +81,12 @@ public class PermissionManager implements Serializable {
      * @return The permission identified by the provided {@code permissionId).
      */
     public Optional<Permission> findById(final long permissionId) {
-        return Optional.ofNullable(entityManager.find(Permission.class,
+        return Optional.ofNullable(
-                                                      permissionId));
+            entityManager.find(
+                Permission.class,
+                permissionId
+            )
+        );
     }
 
     /**
@@ -93,7 +99,9 @@ public class PermissionManager implements Serializable {
     @Transactional(Transactional.TxType.REQUIRED)
     public List<Permission> findPermissionsForRole(final Role role) {
         final TypedQuery<Permission> query = entityManager.createNamedQuery(
-            "Permission.findPermissionsForRole", Permission.class);
+            "Permission.findPermissionsForRole",
+            Permission.class
+        );
         query.setParameter("grantee", role);
 
         return query.getResultList();
@@ -110,17 +118,22 @@ public class PermissionManager implements Serializable {
     @Transactional(Transactional.TxType.REQUIRED)
     public List<Permission> findPermissionsForObject(final CcmObject object) {
         final TypedQuery<Permission> query = entityManager.createNamedQuery(
-            "Permission.findPermissionsForCcmObject", Permission.class);
+            "Permission.findPermissionsForCcmObject",
+            Permission.class
+        );
         query.setParameter("object", object);
 
         return query.getResultList();
     }
 
     public List<Permission> findPermissionsForRoleAndObject(
-        final Role role, final CcmObject object) {
+        final Role role,
-
+        final CcmObject object
+    ) {
         final TypedQuery<Permission> query = entityManager.createNamedQuery(
-            "Permission.findPermissionsForRoleAndObject", Permission.class);
+            "Permission.findPermissionsForRoleAndObject",
+            Permission.class
+        );
         query.setParameter("object", object);
         query.setParameter("grantee", role);
 
@@ -148,9 +161,11 @@ public class PermissionManager implements Serializable {
     @AuthorizationRequired
     @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
     @Transactional(Transactional.TxType.REQUIRED)
-    public Permission grantPrivilege(final String privilege,
+    public Permission grantPrivilege(
+        final String privilege,
         final Role grantee,
-                                     final CcmObject object) {
+        final CcmObject object
+    ) {
         if (privilege == null || privilege.isEmpty()) {
             throw new IllegalArgumentException(
                 "Can't grant a permission without a privilege.");
@@ -182,7 +197,13 @@ public class PermissionManager implements Serializable {
 
             entityManager.persist(permission);
 
-            grantRecursive(privilege, grantee, object, object.getClass(), object);
+            grantRecursive(
+                privilege,
+                grantee,
+                object,
+                object.getClass(),
+                object
+            );
 
             return permission;
         }
@@ -202,32 +223,44 @@ public class PermissionManager implements Serializable {
      *                      {@link #grantPrivilege(java.lang.String, org.libreccm.security.Role, org.libreccm.core.CcmObject)}
      *                      was invoked.
      */
-    private void grantRecursive(final String privilege,
+    private void grantRecursive(
+        final String privilege,
         final Role grantee,
         final CcmObject object,
         final Class<?> clazz,
-                                final CcmObject inheritedFrom) {
+        final CcmObject inheritedFrom
+    ) {
         final Field[] fields = clazz.getDeclaredFields();
         Arrays.stream(fields)
             .filter(field -> field.isAnnotationPresent(
             RecursivePermissions.class))
-            .filter(field -> {
+            .filter(
-                return checkIfPrivilegeIsRecursive(
+                field -> checkIfPrivilegeIsRecursive(
                     field.getAnnotation(RecursivePermissions.class),
-                    privilege);
+                    privilege
-            })
+                )
-            .forEach(field -> {
+            )
+            .forEach(
+                field -> {
                 field.setAccessible(true);
-                grantRecursive(privilege, grantee, field, object, inheritedFrom);
+                grantRecursive(
+                    privilege,
+                    grantee,
+                    field,
+                    object,
+                    inheritedFrom
+                );
             });
 
         // Repeat for superclass of the current class.
         if (clazz.getSuperclass() != null) {
-            grantRecursive(privilege,
+            grantRecursive(
+                privilege,
                 grantee,
                 object,
                 clazz.getSuperclass(),
-                           inheritedFrom);
+                inheritedFrom
+            );
         }
     }
 
@@ -246,13 +279,14 @@ public class PermissionManager implements Serializable {
      */
     private boolean checkIfPrivilegeIsRecursive(
         final RecursivePermissions annotation,
-        final String privilege) {
+        final String privilege
-
+    ) {
         if (annotation.privileges() == null
                 || annotation.privileges().length == 0) {
             return true;
         } else {
-            return Arrays.stream(annotation.privileges())
+            return Arrays
+                .stream(annotation.privileges())
                 .anyMatch(privilege::equals);
         }
     }
@@ -266,24 +300,35 @@ public class PermissionManager implements Serializable {
      * @param owner         The object which own the provided {@code field}.
      * @param inheritedFrom The object from which the permission is inherited.
      */
-    private void grantRecursive(final String privilege,
+    private void grantRecursive(
+        final String privilege,
         final Role grantee,
         final Field field,
         final CcmObject owner,
-                                final CcmObject inheritedFrom) {
+        final CcmObject inheritedFrom
-
+    ) {
         final CcmObject ownerObject = ccmObjectRepo
             .findObjectById(owner.getObjectId())
-            .orElseThrow(() -> new IllegalArgumentException(String.format(
+            .orElseThrow(
+                () -> new IllegalArgumentException(
+                    String.format(
                         "No CcmObject with ID %d in the database. "
                             + "Where did that ID come from?",
-            owner.getObjectId())));
+                        owner.getObjectId()
+                    )
+                )
+            );
         final CcmObject inheritedFromObject = ccmObjectRepo
             .findObjectById(inheritedFrom.getObjectId())
-            .orElseThrow(() -> new IllegalArgumentException(String.format(
+            .orElseThrow(
+                () -> new IllegalArgumentException(
+                    String.format(
                         "No CcmObject with ID %d in the database. "
                             + "Where did that ID come from?",
-            inheritedFrom.getObjectId())));
+                        inheritedFrom.getObjectId()
+                    )
+                )
+            );
 
         final Object value;
         try {
@@ -303,10 +348,14 @@ public class PermissionManager implements Serializable {
             collection.stream()
                 .filter(obj -> obj instanceof CcmObject)
                 .map(obj -> (CcmObject) obj)
-                .forEach(obj -> grantInherited(privilege,
+                .forEach(
+                    obj -> grantInherited(
+                        privilege,
                         grantee,
                         obj,
-                                               inheritedFromObject));
+                        inheritedFromObject
+                    )
+                );
             // Relations between two CcmObjects with attributes or n:m relations
             // use an object to represent the relation. The object must implement
             // the Relation interface. For each Relation object in the collection
@@ -316,33 +365,44 @@ public class PermissionManager implements Serializable {
                 .map(obj -> (Relation) obj)
                 .filter(relation -> relation.getRelatedObject() != null)
                 .map(relation -> relation.getRelatedObject())
-                .forEach(obj -> grantInherited(privilege,
+                .forEach(
+                    obj -> grantInherited(
+                        privilege,
                         grantee,
                         obj,
-                                               inheritedFromObject));
+                        inheritedFromObject
+                    )
+                );
         } else if (CcmObject.class.isAssignableFrom(field.getType())) {
             // If the provided object is a CcmObject create an inherited 
             // permission for this object.
-            grantInherited(privilege,
+            grantInherited(
+                privilege,
                 grantee,
                 (CcmObject) value,
-                           inheritedFromObject);
+                inheritedFromObject
+            );
         } else if (Relation.class.isAssignableFrom(field.getType())) {
             // If the provided field is a Relation object created an inherited
             // permission on the related object.
             final Relation relation = (Relation) value;
             if (relation.getRelatedObject() != null) {
-                grantInherited(privilege,
+                grantInherited(
+                    privilege,
                     grantee,
                     relation.getRelatedObject(),
-                               inheritedFromObject);
+                    inheritedFromObject
+                );
             }
         } else {
-            throw new IllegalArgumentException(String.format(
+            throw new IllegalArgumentException(
+                String.format(
                     "Found a field annotated with \"%s\" but the field is not a "
                     + "collection nor a CcmObject nore a Relation object. This "
                         + "is not supported.",
-                RecursivePermissions.class));
+                    RecursivePermissions.class
+                )
+            );
         }
     }
 
@@ -355,11 +415,12 @@ public class PermissionManager implements Serializable {
      *                      granted.
      * @param inheritedFrom The object from which the permission is inherited.
      */
-    private void grantInherited(final String privilege,
+    private void grantInherited(
+        final String privilege,
         final Role grantee,
         final CcmObject object,
-                                final CcmObject inheritedFrom) {
+        final CcmObject inheritedFrom
-
+    ) {
         if (!existsPermission(privilege, grantee, object)) {
             final Permission permission = new Permission();
             permission.setGrantee(grantee);
@@ -371,11 +432,13 @@ public class PermissionManager implements Serializable {
 
             entityManager.persist(permission);
 
-            grantRecursive(privilege,
+            grantRecursive(
+                privilege,
                 grantee,
                 object,
                 object.getClass(),
-                           inheritedFrom);
+                inheritedFrom
+            );
         }
     }
 
@@ -389,16 +452,20 @@ public class PermissionManager implements Serializable {
     @AuthorizationRequired
     @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
     @Transactional(Transactional.TxType.REQUIRED)
-    public void grantPrivilege(final String privilege,
+    public void grantPrivilege(
-                               final Role grantee) {
+        final String privilege,
+        final Role grantee
+    ) {
         if (privilege == null || privilege.isEmpty()) {
             throw new IllegalArgumentException(
-                "Can't grant a permission without a privilege.");
+                "Can't grant a permission without a privilege."
+            );
         }
 
         if (grantee == null) {
             throw new IllegalArgumentException(
-                "Can't grant a permission to grantee null.");
+                "Can't grant a permission to grantee null."
+            );
         }
 
         if (!existsPermission(privilege, grantee)) {
@@ -423,42 +490,52 @@ public class PermissionManager implements Serializable {
     @AuthorizationRequired
     @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
     @Transactional(Transactional.TxType.REQUIRED)
-    public void revokePrivilege(final String privilege,
+    public void revokePrivilege(
+        final String privilege,
         final Role grantee,
-                                final CcmObject object) {
+        final CcmObject object
+    ) {
 
         if (privilege == null || privilege.isEmpty()) {
             throw new IllegalArgumentException(
-                "Can't revoke a permission without a privilege.");
+                "Can't revoke a permission without a privilege."
+            );
         }
 
         if (grantee == null) {
             throw new IllegalArgumentException(
-                "Can't revoke a permission from grantee null.");
+                "Can't revoke a permission from grantee null."
+            );
         }
 
         if (object == null) {
             throw new IllegalArgumentException(
-                "Can't revoke a permission from object NULL.");
+                "Can't revoke a permission from object NULL."
+            );
         }
 
-        LOGGER.debug("Revoking permission granting privilege \"{}\" "
+        LOGGER.debug(
+            "Revoking permission granting privilege \"{}\" "
                 + "on object \"{}\" to role \"{}\"...",
             privilege,
             grantee.getName(),
-                     object.getUuid());
+            object.getUuid()
+        );
 
         if (existsPermission(privilege, grantee, object)
                 || existsInheritedPermission(privilege, grantee, object)) {
 
-            LOGGER.debug("There is a permission for the provided parameters, "
+            LOGGER.debug(
-                             + "revoking it...");
+                "There is a permission for the provided parameters, "
+                    + "revoking it..."
+            );
 
             final Query deleteQuery = entityManager.createQuery(
                 "DELETE FROM Permission p "
                     + "WHERE p.grantedPrivilege = :privilege "
                     + "AND p.grantee = :grantee "
-                    + "AND p.object = :object");
+                    + "AND p.object = :object"
+            );
             deleteQuery.setParameter(QUERY_PARAM_PRIVILEGE, privilege);
             deleteQuery.setParameter(QUERY_PARAM_GRANTEE, grantee);
             deleteQuery.setParameter(QUERY_PARAM_OBJECT, object);
@@ -470,18 +547,21 @@ public class PermissionManager implements Serializable {
                     + "WHERE p.grantedPrivilege = :privilege "
                     + "AND p.grantee = :grantee "
                     + "AND p.inheritedFrom = :object "
-                    + "AND p.inherited = true");
+                    + "AND p.inherited = true"
+            );
             deleteInheritedQuery.setParameter(QUERY_PARAM_PRIVILEGE, privilege);
             deleteInheritedQuery.setParameter(QUERY_PARAM_GRANTEE, grantee);
             deleteInheritedQuery.setParameter("object", object);
             final int deletedInherited = deleteInheritedQuery.executeUpdate();
             LOGGER.debug("{} inherited permissions deleted.", deletedInherited);
         } else {
-            LOGGER.warn("No permission granting privilege \"{}\" "
+            LOGGER.warn(
+                "No permission granting privilege \"{}\" "
                     + "on object \"{}\" to role \"{}\". Ignoring.",
                 privilege,
                 grantee.getName(),
-                        object.getUuid());
+                object.getUuid()
+            );
         }
     }
 
@@ -495,16 +575,20 @@ public class PermissionManager implements Serializable {
     @AuthorizationRequired
     @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
     @Transactional(Transactional.TxType.REQUIRED)
-    public void revokePrivilege(final String privilege,
+    public void revokePrivilege(
-                                final Role grantee) {
+        final String privilege,
+        final Role grantee
+    ) {
         if (privilege == null || privilege.isEmpty()) {
             throw new IllegalArgumentException(
-                "Can't revoke a permission without a privilege.");
+                "Can't revoke a permission without a privilege."
+            );
         }
 
         if (grantee == null) {
             throw new IllegalArgumentException(
-                "Can't revoke a permission from grantee null.");
+                "Can't revoke a permission from grantee null."
+            );
         }
 
         if (existsPermission(privilege, grantee)) {
@@ -512,7 +596,8 @@ public class PermissionManager implements Serializable {
                 "DELETE FROM Permission p "
                     + "WHERE p.grantedPrivilege = :privilege "
                     + "AND p.grantee = :grantee "
-                    + "AND p.object IS NULL");
+                    + "AND p.object IS NULL"
+            );
             query.setParameter(QUERY_PARAM_PRIVILEGE, privilege);
             query.setParameter(QUERY_PARAM_GRANTEE, grantee);
             query.executeUpdate();
@@ -532,8 +617,10 @@ public class PermissionManager implements Serializable {
     @AuthorizationRequired
     @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
     @Transactional(Transactional.TxType.REQUIRED)
-    public void copyPermissions(final CcmObject source,
+    public void copyPermissions(
-                                final CcmObject target) {
+        final CcmObject source,
+        final CcmObject target
+    ) {
         copyPermissions(source, target, false);
     }
 
@@ -552,21 +639,27 @@ public class PermissionManager implements Serializable {
     @AuthorizationRequired
     @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
     @Transactional(Transactional.TxType.REQUIRED)
-    public void copyPermissions(final CcmObject source,
+    public void copyPermissions(
+        final CcmObject source,
         final CcmObject target,
-                                final boolean inherited) {
+        final boolean inherited
+    ) {
         if (source == null) {
             throw new IllegalArgumentException(
-                "Can't copy permissions from source NULL.");
+                "Can't copy permissions from source NULL."
+            );
         }
 
         if (target == null) {
             throw new IllegalArgumentException(
-                "Can't copy permissions to target NULL.");
+                "Can't copy permissions to target NULL."
+            );
         }
 
         final TypedQuery<Permission> query = entityManager.createNamedQuery(
-            "Permission.findPermissionsForCcmObject", Permission.class);
+            "Permission.findPermissionsForCcmObject",
+            Permission.class
+        );
         query.setParameter(QUERY_PARAM_OBJECT, source);
         final List<Permission> result = query.getResultList();
 
@@ -574,7 +667,11 @@ public class PermissionManager implements Serializable {
             final Permission granted = grantPrivilege(
                 permission.getGrantedPrivilege(),
                 permission.getGrantee(),
-                target);
+                target
+            );
+            if (granted == null) {
+                continue;
+            }
             granted.setInherited(inherited);
             if (inherited) {
                 granted.setInheritedFrom(source);
@@ -598,12 +695,17 @@ public class PermissionManager implements Serializable {
      * @return A list with all privileges defined by the provided class.
      */
     public List<String> listDefiniedPrivileges(final Class<?> clazz) {
-        return Arrays.stream(clazz.getDeclaredFields())
+        return Arrays
+            .stream(clazz.getDeclaredFields())
             .filter(field -> field.getType().isAssignableFrom(String.class))
-            .filter(field -> Modifier.isStatic(field.getModifiers())
+            .filter(
-                                 && Modifier.isFinal(field.getModifiers()))
+                field -> Modifier.isStatic(field.getModifiers())
-            .filter(field -> field.getName().startsWith("PRIVILEGE_")
+                             && Modifier.isFinal(field.getModifiers())
-                                 || clazz.getSimpleName().endsWith("Privileges"))
+            )
+            .filter(
+                field -> field.getName().startsWith("PRIVILEGE_")
+                             || clazz.getSimpleName().endsWith("Privileges")
+            )
             .map(field -> getPrivilegeString(field))
             .sorted()
             .collect(Collectors.toList());
@@ -629,11 +731,15 @@ public class PermissionManager implements Serializable {
      * @return {@code true} if there is a matching permission, {@code false} if
      *         not.
      */
-    private boolean existsPermission(final String privilege,
+    private boolean existsPermission(
+        final String privilege,
         final Role grantee,
-                                     final CcmObject object) {
+        final CcmObject object
+    ) {
         final TypedQuery<Long> query = entityManager.createNamedQuery(
-            "Permission.existsDirectForPrivilegeRoleObject", Long.class);
+            "Permission.existsDirectForPrivilegeRoleObject",
+            Long.class
+        );
         query.setParameter(QUERY_PARAM_PRIVILEGE, privilege);
         query.setParameter(QUERY_PARAM_GRANTEE, grantee);
         query.setParameter(QUERY_PARAM_OBJECT, object);
@@ -641,11 +747,15 @@ public class PermissionManager implements Serializable {
         return query.getSingleResult() > 0;
     }
 
-    private boolean existsInheritedPermission(final String privilege,
+    private boolean existsInheritedPermission(
+        final String privilege,
         final Role grantee,
-                                              final CcmObject object) {
+        final CcmObject object
+    ) {
         final TypedQuery<Long> query = entityManager.createNamedQuery(
-            "Permission.existsInheritedForPrivilegeRoleObject", Long.class);
+            "Permission.existsInheritedForPrivilegeRoleObject",
+            Long.class
+        );
         query.setParameter(QUERY_PARAM_PRIVILEGE, privilege);
         query.setParameter(QUERY_PARAM_GRANTEE, grantee);
         query.setParameter(QUERY_PARAM_OBJECT, object);
@@ -663,10 +773,14 @@ public class PermissionManager implements Serializable {
      * @return {@code true} if there is a matching permission, {@code false} if
      *         not.
      */
-    private boolean existsPermission(final String privilege,
+    private boolean existsPermission(
-                                     final Role grantee) {
+        final String privilege,
+        final Role grantee
+    ) {
         final TypedQuery<Long> query = entityManager.createNamedQuery(
-            "Permission.existsForPrivilegeAndRole", Long.class);
+            "Permission.existsForPrivilegeAndRole",
+            Long.class
+        );
         query.setParameter(QUERY_PARAM_PRIVILEGE, privilege);
         query.setParameter(QUERY_PARAM_GRANTEE, grantee);
 

ccm-core/src/main/java/org/libreccm/theming/freemarker/FreemarkerConfigurationProvider.java

@@ -57,32 +57,36 @@ class FreemarkerConfigurationProvider {
     private final Map<ThemeInfo, Configuration> configurations = new HashMap<>();
 
     protected Configuration getConfiguration(final ThemeInfo forTheme) {
-
         if (configurations.containsKey(forTheme)) {
-
             return configurations.get(forTheme);
         } else {
-
             final Configuration configuration = new Configuration(
-                Configuration.VERSION_2_3_27);
+                Configuration.VERSION_2_3_27
+            );
             configuration.setDefaultEncoding("UTF-8");
             configuration
                 .setTemplateExceptionHandler(
-                    TemplateExceptionHandler.RETHROW_HANDLER);
+                    TemplateExceptionHandler.DEBUG_HANDLER
-            configuration.setLogTemplateExceptions(false);
+                );
+            configuration.setLogTemplateExceptions(true);
             configuration.setWrapUncheckedExceptions(false);
             configuration.setLocalizedLookup(false);
 
             configuration.setTemplateLoader(
-                new MultiTemplateLoader(new TemplateLoader[]{
+                new MultiTemplateLoader(
+                    new TemplateLoader[]{
                         // For for files from themes
                         new CcmTemplateLoader(forTheme),
                         // Loader for MacroLibs provided by CCM modules
                         new WebappTemplateLoader(
                             servletContext, "/themes/freemarker"
                         ),
-                new ClassTemplateLoader(getClass(), "/themes/freemarker")
+                        new ClassTemplateLoader(
-            })
+                            getClass(),
+                            "/themes/freemarker"
+                        )
+                    }
+                )
             );
 
             configurations.put(forTheme, configuration);
@@ -103,7 +107,8 @@ class FreemarkerConfigurationProvider {
         public Object findTemplateSource(final String name) throws IOException {
 
             final Optional<InputStream> source = themes.getFileFromTheme(
-                fromTheme, name);
+                fromTheme, name
+            );
             if (source.isPresent()) {
                 return source.get();
             } else {
@@ -118,9 +123,10 @@ class FreemarkerConfigurationProvider {
         }
 
         @Override
-        public Reader getReader(final Object templateSource,
+        public Reader getReader(
-                                final String encoding) throws IOException {
+            final Object templateSource,
-
+            final String encoding
+        ) throws IOException {
             final InputStream inputStream = (InputStream) templateSource;
             return new InputStreamReader(inputStream, encoding);
         }
@@ -128,7 +134,6 @@ class FreemarkerConfigurationProvider {
         @Override
         public void closeTemplateSource(final Object templateSource)
             throws IOException {
-
             final InputStream inputStream = (InputStream) templateSource;
             inputStream.close();
         }

ccm-core/src/main/java/org/libreccm/ui/admin/imexport/ImportExportTaskManager.java

@@ -217,7 +217,9 @@ public class ImportExportTaskManager {
      * @see CompletionStage#handle(java.util.function.BiFunction)
      */
     private Object handleExportTaskResult(
-        final ExportTask task, final Throwable ex, final ExportTaskStatus status
+        final ExportTask task, 
+        final Throwable ex, 
+        final ExportTaskStatus status
     ) {
         if (ex == null) {
             status.setStatus(ImExportTaskStatus.FINISHED);