private static FreeBusyPermissionLevel FromInternalClient(InternalClientContext internalClientContext, RawSecurityDescriptor securityDescriptor, FreeBusyQuery freeBusyQuery) { if (internalClientContext.ClientSecurityContext == null) { FreeBusyPermission.SecurityTracer.TraceDebug <object, EmailAddress>(0L, "{0}: Caller {1} has no ClientSecurityContext, using default context as 'everyone'.", TraceContext.Get(), freeBusyQuery.Email); return(FreeBusyPermission.AccessCheck(securityDescriptor, ClientSecurityContext.FreeBusyPermissionDefaultClientSecurityContext)); } if (!Configuration.UseDisabledAccount || VariantConfiguration.GetSnapshot(MachineSettingsContext.Local, null, null).Global.MultiTenancy.Enabled) { return(FreeBusyPermission.GetPermissionLevel(internalClientContext.ClientSecurityContext, freeBusyQuery, securityDescriptor)); } FreeBusyPermission.SecurityTracer.TraceDebug <object, InternalClientContext>(0L, "{0}: Creating a munged security context for caller {1}.", TraceContext.Get(), internalClientContext); ClientSecurityContext clientSecurityContext = null; try { clientSecurityContext = new SlaveAccountTokenMunger().MungeToken(internalClientContext.ClientSecurityContext, OrganizationId.ForestWideOrgId); return(FreeBusyPermission.GetPermissionLevel(clientSecurityContext, freeBusyQuery, securityDescriptor)); } catch (TokenMungingException arg) { FreeBusyPermission.SecurityTracer.TraceError <object, InternalClientContext, TokenMungingException>(0L, "{0}: Unable to get the munged token for Caller {1}, error {2}, using the client context supplied.", TraceContext.Get(), internalClientContext, arg); } finally { if (clientSecurityContext != null) { clientSecurityContext.Dispose(); } } return(FreeBusyPermission.GetPermissionLevel(internalClientContext.ClientSecurityContext, freeBusyQuery, securityDescriptor)); }
public static FreeBusyPermissionLevel DetermineAllowedAccess(ClientContext clientContext, MailboxSession session, CalendarFolder calendarFolder, FreeBusyQuery freeBusyQuery, bool defaultFreeBusyOnly) { RawSecurityDescriptor rawSecurityDescriptor = calendarFolder.TryGetProperty(CalendarFolderSchema.FreeBusySecurityDescriptor) as RawSecurityDescriptor; if (rawSecurityDescriptor == null) { FreeBusyPermission.SecurityTracer.TraceDebug <object, CalendarFolder>(0L, "{0}: Unable to retrieve FreeBusySecurityDescriptor from folder {1}. Using None as permission level.", TraceContext.Get(), calendarFolder); return(FreeBusyPermissionLevel.None); } if (FreeBusyPermission.SecurityTracer.IsTraceEnabled(TraceType.DebugTrace)) { string sddlForm = rawSecurityDescriptor.GetSddlForm(AccessControlSections.All); FreeBusyPermission.SecurityTracer.TraceDebug <object, EmailAddress, string>(0L, "{0}: The SDDL form of calendar folder security descriptor of mailbox {1} is: {2}.", TraceContext.Get(), freeBusyQuery.Email, sddlForm); } if (defaultFreeBusyOnly) { FreeBusyPermission.SecurityTracer.TraceDebug(0L, "{0}: Using DefaultClientSecurityContext because of defaultFreeBusyOnly is set.", new object[] { TraceContext.Get() }); return(FreeBusyPermission.AccessCheck(rawSecurityDescriptor, ClientSecurityContext.FreeBusyPermissionDefaultClientSecurityContext)); } InternalClientContext internalClientContext = clientContext as InternalClientContext; if (internalClientContext != null) { return(FreeBusyPermission.FromInternalClient(internalClientContext, rawSecurityDescriptor, freeBusyQuery)); } ExternalClientContext externalClientContext = clientContext as ExternalClientContext; return(FreeBusyPermission.FromExternalClient(externalClientContext, session, rawSecurityDescriptor, freeBusyQuery)); }
private static FreeBusyPermissionLevel GetPermissionLevel(ClientSecurityContext clientSecurityContext, FreeBusyQuery freeBusyQuery, RawSecurityDescriptor securityDescriptor) { if (FreeBusyPermission.CallerHasFullPermission(clientSecurityContext, freeBusyQuery)) { FreeBusyPermission.SecurityTracer.TraceDebug <object, ClientSecurityContext, EmailAddress>(0L, "{0}: Caller {1} has owner access on mailbox {2}.", TraceContext.Get(), clientSecurityContext, freeBusyQuery.Email); return(FreeBusyPermissionLevel.Owner); } return(FreeBusyPermission.AccessCheck(securityDescriptor, clientSecurityContext)); }
private static FreeBusyPermissionLevel FromExternalClient(ExternalClientContext externalClientContext, MailboxSession mailboxSession, RawSecurityDescriptor securityDescriptor, FreeBusyQuery freeBusyQuery) { FreeBusyPermissionLevel val = FreeBusyPermission.FromExternalClientWithPersonalRelationship(externalClientContext, mailboxSession, securityDescriptor, freeBusyQuery); FreeBusyPermissionLevel val2 = FreeBusyPermission.FromExternalClientWithOrganizationalRelationship(externalClientContext, mailboxSession, securityDescriptor, freeBusyQuery); FreeBusyPermissionLevel freeBusyPermissionLevel = (FreeBusyPermissionLevel)Math.Max((int)val2, (int)val); FreeBusyPermission.SecurityTracer.TraceDebug <object, SmtpAddress, FreeBusyPermissionLevel>(0L, "{0}: permission level for {1} is {2}", TraceContext.Get(), externalClientContext.EmailAddress, freeBusyPermissionLevel); return(freeBusyPermissionLevel); }
private static FreeBusyPermissionLevel FromExternalClientWithOrganizationalRelationship(ExternalClientContext externalClientContext, MailboxSession mailboxSession, RawSecurityDescriptor securityDescriptor, FreeBusyQuery freeBusyQuery) { OrganizationRelationship organizationRelationship = FreeBusyPermission.GetOrganizationRelationship(mailboxSession.MailboxOwner.MailboxInfo.OrganizationId, externalClientContext.EmailAddress.Domain); if (organizationRelationship == null) { FreeBusyPermission.SecurityTracer.TraceDebug <object, SmtpAddress, string>(0L, "{0}: No organization relationship for {1} with organization id {2}", TraceContext.Get(), externalClientContext.EmailAddress, (mailboxSession.MailboxOwner.MailboxInfo.OrganizationId == null) ? "<null>" : mailboxSession.MailboxOwner.MailboxInfo.OrganizationId.ToString()); return(FreeBusyPermissionLevel.None); } FreeBusyPermissionLevel freeBusyPermissionLevel = FreeBusyPermissionLevel.Detail; if (organizationRelationship != null) { freeBusyPermissionLevel = FreeBusyPermission.GetMaximumFreeBusyPermissionLevel(organizationRelationship); if (freeBusyPermissionLevel == FreeBusyPermissionLevel.None) { FreeBusyPermission.SecurityTracer.TraceDebug <object, ADObjectId>(0L, "{0}: OrganizationRelationship {1} restricts permission level to None.", TraceContext.Get(), organizationRelationship.Id); return(FreeBusyPermissionLevel.None); } } FreeBusyPermissionLevel freeBusyPermissionLevel2 = FreeBusyPermission.AccessCheck(securityDescriptor, ClientSecurityContext.FreeBusyPermissionDefaultClientSecurityContext); if (freeBusyPermissionLevel2 == FreeBusyPermissionLevel.None) { return(FreeBusyPermissionLevel.None); } if (freeBusyPermissionLevel2 > freeBusyPermissionLevel) { FreeBusyPermission.SecurityTracer.TraceDebug(0L, "{0}: OrganizationRelationship {1} restricts permission level to {2}. Lowering permission from {3}.", new object[] { TraceContext.Get(), organizationRelationship.Id, freeBusyPermissionLevel, freeBusyPermissionLevel2 }); freeBusyPermissionLevel2 = freeBusyPermissionLevel; } if (!FreeBusyPermission.IsAllowedByFreeBusyAccessScope(freeBusyQuery, organizationRelationship)) { freeBusyPermissionLevel2 = FreeBusyPermissionLevel.None; } return(freeBusyPermissionLevel2); }
private static FreeBusyPermissionLevel FromExternalClientWithPersonalRelationship(ExternalClientContext externalClientContext, MailboxSession mailboxSession, RawSecurityDescriptor securityDescriptor, FreeBusyQuery freeBusyQuery) { string externalIdentity = FreeBusyPermission.GetExternalIdentity(externalClientContext, mailboxSession); if (externalIdentity == null) { FreeBusyPermission.SecurityTracer.TraceDebug <object, SmtpAddress, IExchangePrincipal>(0L, "{0}: No external identity for {1} in mailbox {2}.", TraceContext.Get(), externalClientContext.EmailAddress, mailboxSession.MailboxOwner); return(FreeBusyPermissionLevel.None); } ISecurityAccessToken securityAccessToken = new SecurityAccessToken { UserSid = externalIdentity, GroupSids = ClientSecurityContext.DisabledEveryoneOnlySidStringAndAttributesArray }; FreeBusyPermissionLevel result; using (ClientSecurityContext clientSecurityContext = new ClientSecurityContext(securityAccessToken, AuthzFlags.AuthzSkipTokenGroups)) { result = FreeBusyPermission.AccessCheck(securityDescriptor, clientSecurityContext); } return(result); }
private FreeBusyQueryResult InternalGetCalendarData(FreeBusyQuery freeBusyQuery, MailboxSession session) { FreeBusyViewType freeBusyViewType = FreeBusyViewType.None; CalendarEvent[] calendarEventArray = null; string mergedFreeBusy = null; WorkingHours workingHours = null; EmailAddress email = freeBusyQuery.Email; StoreObjectId associatedFolderId = freeBusyQuery.RecipientData.AssociatedFolderId; StoreObjectId defaultFolderId = session.GetDefaultFolderId(DefaultFolderType.Calendar); if (defaultFolderId == null) { return(this.HandleException(email, new NoCalendarException())); } if (associatedFolderId != null && !associatedFolderId.Equals(defaultFolderId)) { return(this.HandleException(email, new NotDefaultCalendarException())); } session.ExTimeZone = this.clientContext.TimeZone; using (CalendarFolder calendarFolder = CalendarFolder.Bind(session, DefaultFolderType.Calendar, CalendarQuery.CalendarFolderQueryProps)) { TimeSpan t = this.deadline - DateTime.UtcNow; if (t <= TimeSpan.Zero) { return(this.HandleException(email, new TimeoutExpiredException("Determine-Allowed-Access"))); } FreeBusyPermissionLevel freeBusyPermissionLevel = FreeBusyPermission.DetermineAllowedAccess(this.clientContext, session, calendarFolder, freeBusyQuery, this.defaultFreeBusyOnly); CalendarQuery.CalendarViewTracer.TraceDebug((long)this.GetHashCode(), "{0}: AccessCheck returned {1} for user {2} on mailbox {3}", new object[] { TraceContext.Get(), freeBusyPermissionLevel, this.clientContext, email }); if (freeBusyPermissionLevel == FreeBusyPermissionLevel.None) { CalendarQuery.CalendarViewTracer.TraceDebug <object, EmailAddress>((long)this.GetHashCode(), "{0}: No mailbox data will be returned for mailbox {1} since the granted access level to caller is None.", TraceContext.Get(), email); return(new FreeBusyQueryResult(new NoFreeBusyAccessException(44348U))); } t = this.deadline - DateTime.UtcNow; if (t <= TimeSpan.Zero) { return(this.HandleException(email, new TimeoutExpiredException("Get-Calendar-View"))); } freeBusyViewType = CalendarQuery.GetReturnView(this.requestedFreeBusyView.RequestedView, freeBusyPermissionLevel); ExDateTime windowStart = new ExDateTime(this.clientContext.TimeZone, this.requestedFreeBusyView.TimeWindow.StartTime); ExDateTime windowEnd = new ExDateTime(this.clientContext.TimeZone, this.requestedFreeBusyView.TimeWindow.EndTime); try { calendarEventArray = InternalCalendarQuery.GetCalendarEvents(email, calendarFolder, windowStart, windowEnd, freeBusyViewType, freeBusyPermissionLevel == FreeBusyPermissionLevel.Owner, this.clientContext.RequestSchemaVersion); } catch (ResultSetTooBigException e) { return(this.HandleException(email, e)); } if (FreeBusyViewOptions.IsMerged(freeBusyViewType)) { t = this.deadline - DateTime.UtcNow; if (t <= TimeSpan.Zero) { return(this.HandleException(email, new TimeoutExpiredException("Generate-Merged-FreeBusy"))); } int mergedFreeBusyIntervalInMinutes = this.requestedFreeBusyView.MergedFreeBusyIntervalInMinutes; mergedFreeBusy = MergedFreeBusy.GenerateMergedFreeBusyString(this.clientContext.TimeZone, mergedFreeBusyIntervalInMinutes, windowStart, windowEnd, calendarEventArray, false, null, this.clientContext.RequestSchemaVersion); } t = this.deadline - DateTime.UtcNow; if (t <= TimeSpan.Zero) { return(this.HandleException(email, new TimeoutExpiredException("Getting-Work-Hours"))); } workingHours = this.GetWorkingHours(email, session, calendarFolder); } return(new FreeBusyQueryResult(freeBusyViewType, calendarEventArray, mergedFreeBusy, workingHours)); }