Examples with AccessResult org.olat.resource.accesscontrol.AccessResult used on opensource projects

Example 16 with AccessResult

use of org.olat.resource.accesscontrol.AccessResult in project OpenOLAT by OpenOLAT.

the class RepositoryEntryDetailsController method initForm.

@Override
protected void initForm(FormItemContainer formLayout, Controller listener, UserRequest ureq) {
    int cmpcount = 0;
    if (formLayout instanceof FormLayoutContainer) {
        FormLayoutContainer layoutCont = (FormLayoutContainer) formLayout;
        layoutCont.contextPut("v", entry);
        layoutCont.contextPut("guestOnly", new Boolean(guestOnly));
        String cssClass = RepositoyUIFactory.getIconCssClass(entry);
        layoutCont.contextPut("cssClass", cssClass);
        boolean closed = entry.getRepositoryEntryStatus().isClosed() || entry.getRepositoryEntryStatus().isUnpublished();
        layoutCont.contextPut("closed", new Boolean(closed));
        RepositoryHandler handler = RepositoryHandlerFactory.getInstance().getRepositoryHandler(entry);
        VFSContainer mediaContainer = handler.getMediaContainer(entry);
        if (mediaContainer != null) {
            baseUrl = registerMapper(ureq, new VFSContainerMapper(mediaContainer.getParentContainer()));
        }
        setText(entry.getDescription(), "description", layoutCont);
        setText(entry.getRequirements(), "requirements", layoutCont);
        setText(entry.getObjectives(), "objectives", layoutCont);
        setText(entry.getCredits(), "credits", layoutCont);
        // thumbnail and movie
        VFSLeaf movie = repositoryService.getIntroductionMovie(entry);
        VFSLeaf image = repositoryService.getIntroductionImage(entry);
        if (image != null || movie != null) {
            ImageComponent ic = new ImageComponent(ureq.getUserSession(), "thumbnail");
            if (movie != null) {
                ic.setMedia(movie);
                ic.setMaxWithAndHeightToFitWithin(RepositoryManager.PICTURE_WIDTH, RepositoryManager.PICTURE_HEIGHT);
                // add poster image
                if (image != null) {
                    ic.setPoster(image);
                }
            } else {
                ic.setMedia(image);
                ic.setMaxWithAndHeightToFitWithin(RepositoryManager.PICTURE_WIDTH, RepositoryManager.PICTURE_HEIGHT);
            }
            layoutCont.put("thumbnail", ic);
        }
        // categories
        if (repositoryModule.isCatalogEnabled()) {
            List<CatalogEntry> categories = catalogManager.getCatalogEntriesReferencing(entry);
            List<String> categoriesLink = new ArrayList<>(categories.size());
            for (CatalogEntry category : categories) {
                String id = "cat_" + ++cmpcount;
                String title = StringHelper.escapeHtml(category.getParent().getName());
                FormLink catLink = uifactory.addFormLink(id, "category", title, null, layoutCont, Link.LINK | Link.NONTRANSLATED);
                catLink.setIconLeftCSS("o_icon o_icon-fw o_icon_catalog");
                catLink.setUserObject(category.getKey());
                categoriesLink.add(id);
            }
            layoutCont.contextPut("categories", categoriesLink);
        }
        if (!guestOnly) {
            boolean marked;
            if (row == null) {
                marked = markManager.isMarked(entry, getIdentity(), null);
            } else {
                marked = row.isMarked();
            }
            markLink = uifactory.addFormLink("mark", "mark", marked ? "details.bookmark.remove" : "details.bookmark", null, layoutCont, Link.LINK);
            markLink.setElementCssClass("o_bookmark");
            markLink.setIconLeftCSS(marked ? Mark.MARK_CSS_LARGE : Mark.MARK_ADD_CSS_LARGE);
        }
        RepositoryEntryStatistics statistics = entry.getStatistics();
        if (repositoryModule.isRatingEnabled()) {
            Integer myRating;
            if (row == null) {
                myRating = userRatingsDao.getRatingValue(getIdentity(), entry, null);
            } else {
                myRating = row.getMyRating();
            }
            Double averageRating = statistics.getRating();
            long numOfRatings = statistics.getNumOfRatings();
            float ratingValue = myRating == null ? 0f : myRating.floatValue();
            float averageRatingValue = averageRating == null ? 0f : averageRating.floatValue();
            ratingEl = new RatingWithAverageFormItem("rating", ratingValue, averageRatingValue, 5, numOfRatings);
            ratingEl.setEnabled(!guestOnly);
            layoutCont.add("rating", ratingEl);
        }
        if (repositoryModule.isCommentEnabled()) {
            long numOfComments = statistics.getNumOfComments();
            String title = "(" + numOfComments + ")";
            commentsLink = uifactory.addFormLink("comments", "comments", title, null, layoutCont, Link.NONTRANSLATED);
            commentsLink.setCustomEnabledLinkCSS("o_comments");
            String css = numOfComments > 0 ? "o_icon o_icon_comments o_icon-lg" : "o_icon o_icon_comments_none o_icon-lg";
            commentsLink.setIconLeftCSS(css);
        }
        // load memberships
        List<String> memberRoles = repositoryService.getRoles(getIdentity(), entry);
        List<Long> authorKeys = repositoryService.getAuthors(entry);
        boolean isAuthor = false;
        boolean isMember = memberRoles.contains(GroupRoles.owner.name()) || memberRoles.contains(GroupRoles.coach.name()) || memberRoles.contains(GroupRoles.participant.name());
        if (isMember) {
            isAuthor = authorKeys.contains(getIdentity().getKey());
            layoutCont.contextPut("isEntryAuthor", new Boolean(isAuthor));
        }
        // push roles to velocity as well
        Roles roles = ureq.getUserSession().getRoles();
        layoutCont.contextPut("roles", roles);
        if (!guestOnly && memberRoles.contains(GroupRoles.participant.name()) && repositoryService.isParticipantAllowedToLeave(entry)) {
            leaveLink = uifactory.addFormLink("sign.out", "leave", translate("sign.out"), null, formLayout, Link.BUTTON_SMALL + Link.NONTRANSLATED);
            leaveLink.setElementCssClass("o_sign_out btn-danger");
            leaveLink.setIconLeftCSS("o_icon o_icon_sign_out");
        }
        // access control
        String accessI18n = null;
        List<PriceMethod> types = new ArrayList<PriceMethod>();
        if (entry.isMembersOnly()) {
            // members only
            if (isMember) {
                String linkText = translate("start.with.type", translate(entry.getOlatResource().getResourceableTypeName()));
                startLink = uifactory.addFormLink("start", "start", linkText, null, layoutCont, Link.BUTTON_LARGE + Link.NONTRANSLATED);
                startLink.setElementCssClass("o_start btn-block");
                startLink.setIconRightCSS("o_icon o_icon_start o_icon-lg");
                startLink.setPrimary(true);
            }
            accessI18n = translate("cif.access.membersonly");
        } else {
            AccessResult acResult = acService.isAccessible(entry, getIdentity(), isMember, false);
            if (acResult.isAccessible()) {
                String linkText = translate("start.with.type", translate(entry.getOlatResource().getResourceableTypeName()));
                startLink = uifactory.addFormLink("start", "start", linkText, null, layoutCont, Link.BUTTON_LARGE + Link.NONTRANSLATED);
                startLink.setElementCssClass("o_start btn-block");
            } else if (acResult.getAvailableMethods().size() > 0) {
                for (OfferAccess access : acResult.getAvailableMethods()) {
                    AccessMethod method = access.getMethod();
                    String type = (method.getMethodCssClass() + "_icon").intern();
                    Price p = access.getOffer().getPrice();
                    String price = p == null || p.isEmpty() ? "" : PriceFormat.fullFormat(p);
                    AccessMethodHandler amh = acModule.getAccessMethodHandler(method.getType());
                    String displayName = amh.getMethodName(getLocale());
                    types.add(new PriceMethod(price, type, displayName));
                }
                String linkText = guestOnly ? translate("start.with.type", translate(entry.getOlatResource().getResourceableTypeName())) : translate("book.with.type", translate(entry.getOlatResource().getResourceableTypeName()));
                startLink = uifactory.addFormLink("start", "start", linkText, null, layoutCont, Link.BUTTON_LARGE + Link.NONTRANSLATED);
                // custom style
                startLink.setCustomEnabledLinkCSS("btn btn-success");
                startLink.setElementCssClass("o_book btn-block");
                if (guestOnly) {
                    if (entry.getAccess() == RepositoryEntry.ACC_USERS_GUESTS) {
                        startLink.setVisible(true);
                    } else {
                        startLink.setVisible(false);
                    }
                } else {
                    startLink.setVisible(true);
                }
            } else {
                String linkText = translate("start.with.type", translate(entry.getOlatResource().getResourceableTypeName()));
                startLink = uifactory.addFormLink("start", "start", linkText, null, layoutCont, Link.BUTTON_LARGE + Link.NONTRANSLATED);
                // startLink.setEnabled(false);
                startLink.setElementCssClass("o_start btn-block");
                startLink.setVisible(!guestOnly);
            }
            startLink.setIconRightCSS("o_icon o_icon_start o_icon-lg");
            startLink.setPrimary(true);
            startLink.setFocus(true);
            switch(entry.getAccess()) {
                case 0:
                    accessI18n = "ERROR";
                    break;
                case 1:
                    accessI18n = translate("cif.access.owners");
                    break;
                case 2:
                    accessI18n = translate("cif.access.owners_authors");
                    break;
                case 3:
                    accessI18n = translate("cif.access.users");
                    break;
                case 4:
                    accessI18n = translate("cif.access.users_guests");
                    break;
            }
        }
        layoutCont.contextPut("accessI18n", accessI18n);
        if (!types.isEmpty()) {
            layoutCont.contextPut("ac", types);
        }
        if (isMember) {
            // show the list of groups
            SearchBusinessGroupParams params = new SearchBusinessGroupParams(getIdentity(), true, true);
            List<BusinessGroup> groups = businessGroupService.findBusinessGroups(params, entry, 0, -1);
            List<String> groupLinkNames = new ArrayList<>(groups.size());
            for (BusinessGroup group : groups) {
                String groupLinkName = "grp_" + ++cmpcount;
                String groupName = StringHelper.escapeHtml(group.getName());
                FormLink link = uifactory.addFormLink(groupLinkName, "group", groupName, null, layoutCont, Link.LINK | Link.NONTRANSLATED);
                link.setIconLeftCSS("o_icon o_icon-fw o_icon_group");
                link.setUserObject(group.getKey());
                groupLinkNames.add(groupLinkName);
            }
            layoutCont.contextPut("groups", groupLinkNames);
        }
        boolean passed = false;
        boolean failed = false;
        String score = null;
        if (row != null) {
            passed = row.isPassed();
            failed = row.isFailed();
            score = row.getScore();
        } else {
            UserEfficiencyStatement statement = effManager.getUserEfficiencyStatementLightByRepositoryEntry(entry, getIdentity());
            if (statement != null) {
                Boolean p = statement.getPassed();
                if (p != null) {
                    passed = p.booleanValue();
                    failed = !p.booleanValue();
                }
                Float scoreVal = statement.getScore();
                if (scoreVal != null) {
                    score = AssessmentHelper.getRoundedScore(scoreVal);
                }
            }
        }
        layoutCont.contextPut("passed", passed);
        layoutCont.contextPut("failed", failed);
        layoutCont.contextPut("score", score);
        OLATResource ores = entry.getOlatResource();
        Date recentLaunch = userCourseInfosManager.getRecentLaunchDate(ores, getIdentity());
        layoutCont.contextPut("recentLaunch", recentLaunch);
        // show how many users are currently using this resource
        String numUsers;
        int cnt = 0;
        Long courseResId = entry.getOlatResource().getResourceableId();
        OLATResourceable courseRunOres = OresHelper.createOLATResourceableInstance(RunMainController.ORES_TYPE_COURSE_RUN, courseResId);
        if (ores != null)
            cnt = coordinatorManager.getCoordinator().getEventBus().getListeningIdentityCntFor(courseRunOres);
        numUsers = String.valueOf(cnt);
        layoutCont.contextPut("numUsers", numUsers);
        // Where is it in use
        if (isAuthor || roles.isOLATAdmin() || roles.isInstitutionalResourceManager()) {
            List<RepositoryEntry> refs = referenceManager.getRepositoryReferencesTo(entry.getOlatResource());
            if (refs.size() > 0) {
                List<String> refLinks = new ArrayList<>(refs.size());
                int count = 0;
                for (RepositoryEntry ref : refs) {
                    String name = "ref-" + count++;
                    FormLink refLink = uifactory.addFormLink(name, "ref", ref.getDisplayname(), null, formLayout, Link.NONTRANSLATED);
                    refLink.setUserObject(ref.getKey());
                    refLink.setIconLeftCSS("o_icon o_icon-fw " + RepositoyUIFactory.getIconCssClass(ref));
                    refLinks.add(name);
                }
                layoutCont.contextPut("referenceLinks", refLinks);
            }
        }
        // Link to bookmark entry
        String url = Settings.getServerContextPathURI() + "/url/RepositoryEntry/" + entry.getKey();
        layoutCont.contextPut("extlink", url);
        Boolean guestAllowed = (entry.getAccess() >= RepositoryEntry.ACC_USERS_GUESTS && loginModule.isGuestLoginLinksEnabled()) ? Boolean.TRUE : Boolean.FALSE;
        layoutCont.contextPut("isGuestAllowed", guestAllowed);
        // Owners
        List<String> authorLinkNames = new ArrayList<String>(authorKeys.size());
        Map<Long, String> authorNames = userManager.getUserDisplayNamesByKey(authorKeys);
        int counter = 0;
        for (Map.Entry<Long, String> author : authorNames.entrySet()) {
            Long authorKey = author.getKey();
            String authorName = StringHelper.escapeHtml(author.getValue());
            FormLink authorLink = uifactory.addFormLink("owner-" + ++counter, "owner", authorName, null, formLayout, Link.NONTRANSLATED | Link.LINK);
            authorLink.setUserObject(authorKey);
            authorLinkNames.add(authorLink.getComponent().getComponentName());
        }
        layoutCont.contextPut("authorlinknames", authorLinkNames);
        // License
        boolean licEnabled = licenseModule.isEnabled(licenseHandler);
        if (licEnabled) {
            layoutCont.contextPut("licSwitch", Boolean.TRUE);
            License license = licenseService.loadOrCreateLicense(entry.getOlatResource());
            layoutCont.contextPut("license", LicenseUIFactory.translate(license.getLicenseType(), getLocale()));
            layoutCont.contextPut("licenseIconCss", LicenseUIFactory.getCssOrDefault(license.getLicenseType()));
            String licensor = StringHelper.containsNonWhitespace(license.getLicensor()) ? license.getLicensor() : "";
            layoutCont.contextPut("licensor", licensor);
            layoutCont.contextPut("licenseText", LicenseUIFactory.getFormattedLicenseText(license));
        } else {
            layoutCont.contextPut("licSwitch", Boolean.FALSE);
        }
    }
}

Example 17 with AccessResult

use of org.olat.resource.accesscontrol.AccessResult in project OpenOLAT by OpenOLAT.

the class RepositoryIndexer method checkAccess.

/**
 * @see org.olat.search.service.indexer.Indexer#checkAccess(org.olat.core.id.context.ContextEntry, org.olat.core.id.context.BusinessControl, org.olat.core.id.Identity, org.olat.core.id.Roles)
 */
@Override
public boolean checkAccess(ContextEntry contextEntry, BusinessControl businessControl, Identity identity, Roles roles) {
    boolean debug = isLogDebugEnabled();
    if (debug)
        logDebug("checkAccess for businessControl=" + businessControl + "  identity=" + identity + "  roles=" + roles);
    Long repositoryKey = contextEntry.getOLATResourceable().getResourceableId();
    RepositoryEntry repositoryEntry = repositoryManager.lookupRepositoryEntry(repositoryKey);
    if (repositoryEntry == null) {
        return false;
    }
    if (roles.isGuestOnly()) {
        if (repositoryEntry.getAccess() != RepositoryEntry.ACC_USERS_GUESTS) {
            return false;
        }
    }
    boolean isOwner = repositoryManager.isOwnerOfRepositoryEntry(identity, repositoryEntry);
    boolean isAllowedToLaunch = false;
    if (!isOwner) {
        isAllowedToLaunch = repositoryManager.isAllowedToLaunch(identity, roles, repositoryEntry);
        if (isAllowedToLaunch) {
            List<ContextEntry> entries = businessControl.getEntriesDownTheControls();
            if (entries.size() > 1) {
                boolean hasAccess = false;
                ACService acService = CoreSpringFactory.getImpl(ACService.class);
                AccessResult acResult = acService.isAccessible(repositoryEntry, identity, false);
                if (acResult.isAccessible()) {
                    hasAccess = true;
                } else if (!acResult.getAvailableMethods().isEmpty()) {
                    for (OfferAccess offer : acResult.getAvailableMethods()) {
                        String type = offer.getMethod().getType();
                        if (type.equals(FreeAccessHandler.METHOD_TYPE) || type.equals(PaypalAccessHandler.METHOD_TYPE)) {
                            hasAccess = true;
                        }
                    }
                }
                isAllowedToLaunch = hasAccess;
            }
        }
    }
    if (debug)
        logDebug("isOwner=" + isOwner + "  isAllowedToLaunch=" + isAllowedToLaunch);
    if (isOwner || isAllowedToLaunch) {
        Indexer repositoryEntryIndexer = getRepositoryEntryIndexer(repositoryEntry);
        if (debug)
            logDebug("repositoryEntryIndexer=" + repositoryEntryIndexer);
        if (repositoryEntryIndexer != null) {
            return super.checkAccess(contextEntry, businessControl, identity, roles) && repositoryEntryIndexer.checkAccess(contextEntry, businessControl, identity, roles);
        }
    }
    return false;
}

Example 18 with AccessResult

use of org.olat.resource.accesscontrol.AccessResult in project OpenOLAT by OpenOLAT.

the class UserCalendarWebService method getCalendars.

private void getCalendars(CalendarVisitor calVisitor, UserRequest ureq) {
    Roles roles = ureq.getUserSession().getRoles();
    Identity retrievedUser = ureq.getIdentity();
    CalendarModule calendarModule = CoreSpringFactory.getImpl(CalendarModule.class);
    if (calendarModule.isEnabled()) {
        if (calendarModule.isEnablePersonalCalendar()) {
            KalendarRenderWrapper personalWrapper = getPersonalCalendar(ureq.getIdentity());
            calVisitor.visit(personalWrapper);
        }
        if (calendarModule.isEnableCourseToolCalendar() || calendarModule.isEnableCourseElementCalendar()) {
            RepositoryManager rm = RepositoryManager.getInstance();
            ACService acManager = CoreSpringFactory.getImpl(ACService.class);
            SearchRepositoryEntryParameters repoParams = new SearchRepositoryEntryParameters(retrievedUser, roles, "CourseModule");
            repoParams.setOnlyExplicitMember(true);
            repoParams.setIdentity(retrievedUser);
            IdentityEnvironment ienv = new IdentityEnvironment();
            ienv.setIdentity(retrievedUser);
            ienv.setRoles(roles);
            List<RepositoryEntry> entries = rm.genericANDQueryWithRolesRestriction(repoParams, 0, -1, true);
            for (RepositoryEntry entry : entries) {
                AccessResult result = acManager.isAccessible(entry, retrievedUser, false);
                if (result.isAccessible()) {
                    try {
                        final ICourse course = CourseFactory.loadCourse(entry);
                        CourseConfig config = course.getCourseEnvironment().getCourseConfig();
                        UserCourseEnvironment userCourseEnv = new UserCourseEnvironmentImpl(ienv, course.getCourseEnvironment());
                        if (config.isCalendarEnabled()) {
                            KalendarRenderWrapper wrapper = CourseCalendars.getCourseCalendarWrapper(ureq, userCourseEnv, null);
                            calVisitor.visit(wrapper);
                        } else {
                            CalCourseNodeVisitor visitor = new CalCourseNodeVisitor();
                            new CourseTreeVisitor(course, ienv).visit(visitor, new VisibleTreeFilter());
                            if (visitor.isFound()) {
                                KalendarRenderWrapper wrapper = CourseCalendars.getCourseCalendarWrapper(ureq, userCourseEnv, null);
                                calVisitor.visit(wrapper);
                            }
                        }
                    } catch (Exception e) {
                        log.error("", e);
                    }
                }
            }
        }
        if (calendarModule.isEnableGroupCalendar()) {
            CollaborationManager collaborationManager = CoreSpringFactory.getImpl(CollaborationManager.class);
            // start found forums in groups
            BusinessGroupService bgm = CoreSpringFactory.getImpl(BusinessGroupService.class);
            SearchBusinessGroupParams params = new SearchBusinessGroupParams(retrievedUser, true, true);
            params.addTools(CollaborationTools.TOOL_CALENDAR);
            List<BusinessGroup> groups = bgm.findBusinessGroups(params, null, 0, -1);
            for (BusinessGroup group : groups) {
                KalendarRenderWrapper wrapper = collaborationManager.getCalendar(group, ureq, false);
                calVisitor.visit(wrapper);
            }
        }
    }
}

Example 19 with AccessResult

use of org.olat.resource.accesscontrol.AccessResult in project OpenOLAT by OpenOLAT.

the class BCWebService method getFolders.

/**
 * Retrieves metadata of the course node
 * @response.representation.200.qname {http://www.example.com}folderVOes
 * @response.representation.200.mediaType application/xml, application/json
 * @response.representation.200.doc The course node metadatas
 * @response.representation.200.example {@link org.olat.restapi.support.vo.Examples#SAMPLE_FOLDERVOes}
 * @response.representation.401.doc The roles of the authenticated user are not sufficient
 * @response.representation.404.doc The course or parentNode not found
 * @param courseId The course resourceable's id
 * @param nodeId The node's id
 * @param httpRequest The HTTP request
 * @return The persisted structure element (fully populated)
 */
@GET
@Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public Response getFolders(@PathParam("courseId") Long courseId, @Context HttpServletRequest httpRequest) {
    final ICourse course = CoursesWebService.loadCourse(courseId);
    if (course == null) {
        return Response.serverError().status(Status.NOT_FOUND).build();
    } else if (!CourseWebService.isCourseAccessible(course, false, httpRequest)) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    }
    final UserRequest ureq = getUserRequest(httpRequest);
    RepositoryEntry entry = RepositoryManager.getInstance().lookupRepositoryEntry(course, true);
    ACService acManager = CoreSpringFactory.getImpl(ACService.class);
    AccessResult result = acManager.isAccessible(entry, ureq.getIdentity(), false);
    if (!result.isAccessible()) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    }
    final Set<String> subscribed = new HashSet<String>();
    NotificationsManager man = NotificationsManager.getInstance();
    List<String> notiTypes = Collections.singletonList("FolderModule");
    List<Subscriber> subs = man.getSubscribers(ureq.getIdentity(), notiTypes);
    for (Subscriber sub : subs) {
        Long courseKey = sub.getPublisher().getResId();
        if (courseId.equals(courseKey)) {
            subscribed.add(sub.getPublisher().getSubidentifier());
            break;
        }
    }
    final List<FolderVO> folderVOs = new ArrayList<FolderVO>();
    new CourseTreeVisitor(course, ureq.getUserSession().getIdentityEnvironment()).visit(new Visitor() {

        @Override
        public void visit(INode node) {
            if (node instanceof BCCourseNode) {
                BCCourseNode bcNode = (BCCourseNode) node;
                FolderVO folder = createFolderVO(ureq.getUserSession().getIdentityEnvironment(), course, bcNode, subscribed);
                folderVOs.add(folder);
            }
        }
    }, new VisibleTreeFilter());
    FolderVOes voes = new FolderVOes();
    voes.setFolders(folderVOs.toArray(new FolderVO[folderVOs.size()]));
    voes.setTotalCount(folderVOs.size());
    return Response.ok(voes).build();
}

Example 20 with AccessResult

use of org.olat.resource.accesscontrol.AccessResult in project openolat by klemens.

the class ACFrontendManager method isAccessible.

/**
 * The rule to access a business group:<br/>
 * -No offer, access is free<br/>
 * -Owners have always access to the resource<br/>
 * -Tutors have access to the resource<br/>
 * -Participants have access to the resource<br/>
 * @param group
 * @param forId
 * @return
 */
@Override
public AccessResult isAccessible(BusinessGroup group, Identity forId, boolean allowNonInteractiveAccess) {
    if (!accessModule.isEnabled()) {
        return new AccessResult(true);
    }
    List<String> roles = businessGroupRelationDao.getRoles(forId, group);
    if (roles.contains(GroupRoles.coach.name())) {
        return new AccessResult(true);
    }
    if (roles.contains(GroupRoles.participant.name())) {
        return new AccessResult(true);
    }
    Date now = dateNow();
    OLATResource resource = OLATResourceManager.getInstance().findResourceable(group);
    List<Offer> offers = accessManager.findOfferByResource(resource, true, now);
    if (offers.isEmpty()) {
        if (methodManager.isValidMethodAvailable(resource, null)) {
            // not open for the moment: no valid offer at this date but some methods are defined
            return new AccessResult(false);
        } else {
            return new AccessResult(true);
        }
    }
    return isAccessible(forId, offers, allowNonInteractiveAccess);
}