Examples with CalendarWrapper org.bedework.calfacade.wrappers.CalendarWrapper used on opensource projects

Example 1 with CalendarWrapper

use of org.bedework.calfacade.wrappers.CalendarWrapper in project bw-calendar-engine by Bedework.

the class AccessUtil method checkAccess.

@Override
public CurrentAccess checkAccess(final BwShareableDbentity<?> ent, final int desiredAccess, final boolean alwaysReturnResult) throws CalFacadeException {
    if (ent == null) {
        return null;
    }
    if (ent instanceof CalendarWrapper) {
        final CalendarWrapper col = (CalendarWrapper) ent;
        final CurrentAccess ca = col.getCurrentAccess(desiredAccess);
        if (ca != null) {
            if (debug) {
                debug("Access " + desiredAccess + " already checked for " + cb.getPrincipal().getPrincipalRef() + " and allowed=" + ca.getAccessAllowed());
            }
            if (!ca.getAccessAllowed() && !alwaysReturnResult) {
                throw new CalFacadeAccessException();
            }
            return ca;
        }
    }
    if (debug) {
        final String cname = ent.getClass().getName();
        final String ident;
        if (ent instanceof BwCalendar) {
            ident = ((BwCalendar) ent).getPath();
        } else {
            ident = String.valueOf(ent.getId());
        }
        debug("Check access by " + cb.getPrincipal().getPrincipalRef() + " for object " + cname.substring(cname.lastIndexOf(".") + 1) + " ident=" + ident + " desiredAccess = " + desiredAccess);
    }
    try {
        final long startTime = System.currentTimeMillis();
        CurrentAccess ca = null;
        final AccessPrincipal owner = cb.getPrincipal(ent.getOwnerHref());
        if (debug) {
            debug("After getPrincipal - took: " + (System.currentTimeMillis() - startTime));
        }
        if (owner == null) {
            error("Principal(owner) " + ent.getOwnerHref() + " does not exist");
            if (!alwaysReturnResult) {
                throw new CalFacadeAccessException();
            }
            return new CurrentAccess(false);
        }
        PrivilegeSet maxPrivs = null;
        char[] aclChars = null;
        if (ent instanceof BwCalendar) {
            final BwCalendar cal = (BwCalendar) ent;
            final String path = cal.getPath();
            /* I think this was wrong. For superuser we want to see the real
         * access but they are going to be allowed access whatever.
        if (userRootPath.equals(path)) {
          ca = new CurrentAccess();

          if (getSuperUser()) {
            ca.privileges = PrivilegeSet.makeDefaultOwnerPrivileges();
          } else {
            ca.privileges = PrivilegeSet.makeDefaultNonOwnerPrivileges();
          }
        } else if (path.equals(userHomePathPrefix + account)){
          // Accessing user home directory
          if (getSuperUser()) {
            ca = new CurrentAccess();

            ca.privileges = PrivilegeSet.makeDefaultOwnerPrivileges();
          } else {
            // Set the maximumn access
            maxPrivs = PrivilegeSet.userHomeMaxPrivileges;
          }
        }
         */
            if (!cb.getSuperUser()) {
                if (cb.getUserHomePath().equals(path)) {
                    ca = new CurrentAccess();
                    ca = Acl.defaultNonOwnerAccess;
                } else if (path.equals(Util.buildPath(colPathEndsWithSlash, cb.getUserHomePath(), "/", owner.getAccount()))) {
                    // Accessing user home directory
                    // Set the maximumn access
                    maxPrivs = PrivilegeSet.userHomeMaxPrivileges;
                }
            }
        }
        if (maxPrivs == null) {
            maxPrivs = cb.getMaximumAllowedPrivs();
        } else if (cb.getMaximumAllowedPrivs() != null) {
            maxPrivs = PrivilegeSet.filterPrivileges(maxPrivs, cb.getMaximumAllowedPrivs());
        }
        if (ca == null) {
            /* Not special. getAclChars provides merged access for the current
         * entity.
         */
            aclChars = getAclChars(ent);
            if (aclChars == null) {
                error("Unable to fetch aclchars for " + ent);
                if (!alwaysReturnResult) {
                    throw new CalFacadeAccessException();
                }
                return new CurrentAccess(false);
            }
            if (debug) {
                debug("aclChars = " + new String(aclChars));
            }
            if (desiredAccess == privAny) {
                ca = access.checkAny(cb, cb.getPrincipal(), owner, aclChars, maxPrivs);
            } else if (desiredAccess == privRead) {
                ca = access.checkRead(cb, cb.getPrincipal(), owner, aclChars, maxPrivs);
            } else if (desiredAccess == privWrite) {
                ca = access.checkReadWrite(cb, cb.getPrincipal(), owner, aclChars, maxPrivs);
            } else {
                ca = access.evaluateAccess(cb, cb.getPrincipal(), owner, desiredAccess, aclChars, maxPrivs);
            }
        }
        if ((cb.getPrincipal() != null) && cb.getSuperUser()) {
            /* Override rather than just create a readable access as code further
         * up expects a valid filled in object.
         */
            if (debug && !ca.getAccessAllowed()) {
                debug("Override for superuser");
            }
            ca = Acl.forceAccessAllowed(ca);
        }
        if (ent instanceof CalendarWrapper) {
            final CalendarWrapper col = (CalendarWrapper) ent;
            col.setCurrentAccess(ca, desiredAccess);
        }
        if (debug) {
            debug("access allowed: " + ca.getAccessAllowed());
        }
        if (!ca.getAccessAllowed() && !alwaysReturnResult) {
            throw new CalFacadeAccessException();
        }
        return ca;
    } catch (final CalFacadeException cfe) {
        throw cfe;
    } catch (final Throwable t) {
        throw new CalFacadeException(t);
    }
}

Example 2 with CalendarWrapper

use of org.bedework.calfacade.wrappers.CalendarWrapper in project bw-calendar-engine by Bedework.

the class AccessUtil method getAclChars.

/* ====================================================================
   *                   Private methods
   * ==================================================================== */
/* If the entity is not a collection we merge the access in with the container
   * access then return the merged aces. We do this because we call getPathInfo
   * with a collection entity. That method will recurse up to the root.
   *
   * For a calendar we just use the access for the calendar.
   *
   * The calendar/container access might be cached in the pathInfoTable.
   */
private char[] getAclChars(final BwShareableDbentity<?> ent) throws CalFacadeException {
    if ((!(ent instanceof BwEventProperty)) && (ent instanceof BwShareableContainedDbentity)) {
        BwCalendar container;
        if (ent instanceof BwCalendar) {
            container = (BwCalendar) ent;
        } else {
            container = getParent((BwShareableContainedDbentity<?>) ent);
        }
        if (container == null) {
            return null;
        }
        final String path = container.getPath();
        CalendarWrapper wcol = (CalendarWrapper) container;
        String aclStr;
        char[] aclChars = null;
        /* Get access for the parent first if we have one */
        BwCalendar parent = getParent(wcol);
        if (parent != null) {
            aclStr = new String(merged(getAclChars(parent), parent.getPath(), wcol.getAccess()));
        } else if (wcol.getAccess() != null) {
            aclStr = wcol.getAccess();
        } else {
            // At root
            throw new CalFacadeException("Collections must have default access set at root");
        }
        if (aclStr != null) {
            aclChars = aclStr.toCharArray();
        }
        if (ent instanceof BwCalendar) {
            return aclChars;
        }
        return merged(aclChars, path, ent.getAccess());
    }
    /* This is a way of making other objects sort of shareable.
     * The objects are locations, sponsors and categories.
     * (also calsuite)
     *
     * We store the default access in the owner principal and manipulate that to give
     * us some degree of sharing.
     *
     * In effect, the owner becomes the container for the object.
     */
    String aclString = null;
    String entAccess = ent.getAccess();
    BwPrincipal owner = (BwPrincipal) cb.getPrincipal(ent.getOwnerHref());
    if (ent instanceof BwCategory) {
        aclString = owner.getCategoryAccess();
    } else if (ent instanceof BwLocation) {
        aclString = owner.getLocationAccess();
    } else if (ent instanceof BwContact) {
        aclString = owner.getContactAccess();
    }
    if (aclString == null) {
        if (entAccess == null) {
            if (ent.getPublick()) {
                return Access.getDefaultPublicAccess().toCharArray();
            }
            return Access.getDefaultPersonalAccess().toCharArray();
        }
        return entAccess.toCharArray();
    }
    if (entAccess == null) {
        return aclString.toCharArray();
    }
    try {
        Acl acl = Acl.decode(entAccess.toCharArray());
        acl = acl.merge(aclString.toCharArray(), "/owner");
        return acl.getEncoded();
    } catch (Throwable t) {
        throw new CalFacadeException(t);
    }
}

Example 3 with CalendarWrapper

use of org.bedework.calfacade.wrappers.CalendarWrapper in project bw-calendar-engine by Bedework.

the class CoreEvents method deleteEvent.

@Override
public DelEventResult deleteEvent(final EventInfo ei, final boolean scheduling, final boolean reallyDelete) throws CalFacadeException {
    final DelEventResult der = new DelEventResult(false, 0);
    BwEvent ev = ei.getEvent();
    final boolean isMaster = ev.testRecurring() && (ev.getRecurrenceId() == null);
    final boolean isInstance = (ev.getRecurrenceId() != null) && (ev instanceof BwEventProxy);
    if (!isInstance && ev.unsaved()) {
        final CoreEventInfo cei = getEvent(ev.getColPath(), ev.getName(), RecurringRetrievalMode.overrides);
        if (cei == null) {
            return der;
        }
        ev = cei.getEvent();
    }
    final long startTime = System.currentTimeMillis();
    final int desiredAccess;
    final boolean shared;
    try {
        final BwCalendar col = getEntityCollection(ev.getColPath(), privAny, scheduling, false);
        shared = col.getPublick() || col.getShared();
        if (!scheduling) {
            desiredAccess = privUnbind;
        } else {
            /* Delete message while tidying up in/outbox.
         * Set desiredAccess to something that works.
         *  */
            final CalendarWrapper cw = (CalendarWrapper) col;
            desiredAccess = cw.getLastDesiredAccess();
        }
        ac.checkAccess(ev, desiredAccess, false);
    } catch (final CalFacadeException cfe) {
        dao.rollback();
        throw cfe;
    }
    if (!reallyDelete && ev.getTombstoned()) {
        // no-op - just pretend
        der.eventDeleted = true;
        return der;
    }
    if (isMaster) {
        // Master event - delete all instances and overrides.
        deleteInstances(ev, shared);
        notifyDelete(reallyDelete, ev, shared);
        if (reallyDelete) {
            dao.delete(ev);
        } else {
            tombstoneEvent(ev);
        }
        der.eventDeleted = true;
        stat(StatsEvent.deleteTime, startTime);
        unindexEntity(ei);
        return der;
    }
    if (isInstance) {
        /* Deleting a single instance. Delete any overrides, delete the instance
       * and add an exdate to the master.
       */
        final BwEventProxy proxy = (BwEventProxy) ev;
        final BwEventAnnotation ann = proxy.getRef();
        BwEvent master = ann.getMaster();
        if (master.unsaved()) {
            final CoreEventInfo cei = getEvent(master.getColPath(), master.getName(), RecurringRetrievalMode.overrides);
            if (cei == null) {
                return der;
            }
            master = cei.getEvent();
        }
        /* Fetch the instance so we can delete it */
        final BwRecurrenceInstance inst = dao.getInstance(master, ev.getRecurrenceId());
        if (inst == null) {
            stat(StatsEvent.deleteTime, startTime);
            return der;
        }
        notifyDelete(true, ev, shared);
        dao.delete(inst);
        if (!ann.unsaved()) {
            // der.alarmsDeleted = deleteAlarms(ann);
            ann.getAttendees().clear();
            dao.delete(ann);
        }
        final BwDateTime instDate = inst.getDtstart();
        if (!master.getRdates().remove(instDate)) {
            // Wasn't an rdate event
            master.addExdate(instDate);
        }
        master.updateLastmod();
        dao.update(master);
        der.eventDeleted = true;
        stat(StatsEvent.deleteTime, startTime);
        indexEntity(ei.getRetrievedEvent());
        return der;
    }
    // Single non recurring event.
    BwEvent deletee = ev;
    if (ev instanceof BwEventProxy) {
        // Deleting an annotation
        deletee = ((BwEventProxy) ev).getRef();
    }
    // I think we need something like this -- fixReferringAnnotations(deletee);
    // XXX This could be wrong.
    /* If this is a proxy we should only delete alarmas attached to the
     * proxy - any attached to the underlying event should be left alone.
     */
    // der.alarmsDeleted = deleteAlarms(deletee);
    // sess.delete(sess.merge(deletee));
    notifyDelete(reallyDelete, ev, shared);
    if (reallyDelete) {
        clearCollection(ev.getAttendees());
        dao.delete(deletee);
    } else {
        tombstoneEvent(deletee);
    }
    der.eventDeleted = true;
    stat(StatsEvent.deleteTime, startTime);
    unindexEntity(ei);
    return der;
}

Example 4 with CalendarWrapper

use of org.bedework.calfacade.wrappers.CalendarWrapper in project bw-calendar-engine by Bedework.

the class CalintfImpl method reAttach.

@Override
public void reAttach(BwDbentity val) throws CalFacadeException {
    if (val instanceof CalendarWrapper) {
        final CalendarWrapper ccw = (CalendarWrapper) val;
        val = ccw.fetchEntity();
    }
    sess.reAttach(val);
}

Example 5 with CalendarWrapper

use of org.bedework.calfacade.wrappers.CalendarWrapper in project bw-calendar-engine by Bedework.

the class CoreCalendars method getCollection.

@Override
public BwCalendar getCollection(final String path) throws CalFacadeException {
    if (path == null) {
        return null;
    }
    BwCalendar col = colCache.get(path);
    if (col != null) {
        return col;
    }
    col = dao.getCollection(path);
    if (col == null) {
        if (path.equals("/")) {
            // Fake a root collection
            col = new BwCalendar();
            col.setPath("/");
            // Use this for owner/creator
            final BwCalendar userRoot = getCollection(userCalendarRootPath);
            if (userRoot == null) {
                return null;
            }
            col.setOwnerHref(userRoot.getOwnerHref());
            col.setCreatorHref(userRoot.getCreatorHref());
            col.setAccess(Access.getDefaultPublicAccess());
        } else if (!getPrincipal().getUnauthenticated()) {
            /* Didn't find it. Is this a special collection we should create,
           Only try this if authenticated.
         */
            final GetSpecialCalendarResult gscr = getIfSpecial(getPrincipal(), path);
            if (gscr == null) {
                return null;
            }
            col = gscr.cal;
        } else {
            return null;
        }
    }
    final CalendarWrapper wcol = wrap(col);
    if (wcol != null) {
        colCache.put(wcol);
    }
    return wcol;
}