private void AddPermissions(CalendarFolderPermissionSet permissions, PermissionSet fbPermissions)
{
List <ADRecipient> list = new List <ADRecipient>(this.policyMembersToAddPermission.Count + this.delegatesToAddPermission.Count);
foreach (string legacyExchangeDN in this.policyMembersToAddPermission)
{
list.Add(base.TenantGlobalCatalogSession.FindByLegacyExchangeDN(legacyExchangeDN));
}
foreach (ADObjectId entryId in this.delegatesToAddPermission)
{
list.Add(base.TenantGlobalCatalogSession.Read(entryId));
}
foreach (ADRecipient adrecipient in list)
{
if (adrecipient != null && adrecipient.IsValidSecurityPrincipal && (adrecipient.RecipientType == RecipientType.UserMailbox || adrecipient.RecipientType == RecipientType.MailUser || adrecipient.RecipientType == RecipientType.MailUniversalSecurityGroup))
{
PermissionSecurityPrincipal securityPrincipal = new PermissionSecurityPrincipal(adrecipient);
CalendarFolderPermission calendarFolderPermission = permissions.GetEntry(securityPrincipal);
bool flag = this.delegatesToAddPermission.Contains(adrecipient.Id);
if (calendarFolderPermission == null)
{
calendarFolderPermission = permissions.AddEntry(securityPrincipal, PermissionLevel.None);
}
calendarFolderPermission.FreeBusyAccess = FreeBusyAccess.Details;
if (flag)
{
calendarFolderPermission.PermissionLevel = PermissionLevel.Editor;
calendarFolderPermission.DeleteItems = ItemPermissionScope.AllItems;
calendarFolderPermission.IsFolderVisible = true;
}
}
}
}
private void RemovePermissions(CalendarFolderPermissionSet permissions, PermissionSet fbPermissions)
{
List <ADRecipient> list = new List <ADRecipient>(this.policyMembersToRemovePermission.Count + this.delegatesToRemovePermission.Count);
foreach (string legacyExchangeDN in this.policyMembersToRemovePermission)
{
list.Add(base.TenantGlobalCatalogSession.FindByLegacyExchangeDN(legacyExchangeDN));
}
foreach (ADObjectId entryId in this.delegatesToRemovePermission)
{
list.Add(base.TenantGlobalCatalogSession.Read(entryId));
}
foreach (ADRecipient adrecipient in list)
{
if (adrecipient != null && adrecipient.IsValidSecurityPrincipal)
{
PermissionSecurityPrincipal securityPrincipal = new PermissionSecurityPrincipal(adrecipient);
CalendarFolderPermission entry = permissions.GetEntry(securityPrincipal);
bool flag = this.delegatesToRemovePermission.Contains(adrecipient.Id);
bool flag2 = this.policyMembersToRemovePermission.Contains(adrecipient.LegacyExchangeDN);
if (entry != null)
{
if (flag)
{
if (!this.newPolicyMembers.Contains(adrecipient.LegacyExchangeDN))
{
permissions.RemoveEntry(securityPrincipal);
}
else
{
entry.PermissionLevel = PermissionLevel.None;
}
}
if (flag2 && entry.PermissionLevel != PermissionLevel.Editor)
{
entry.FreeBusyAccess = FreeBusyAccess.None;
if (entry.PermissionLevel == PermissionLevel.None)
{
permissions.RemoveEntry(securityPrincipal);
}
}
}
if (flag)
{
Permission entry2 = fbPermissions.GetEntry(securityPrincipal);
if (entry2 != null)
{
fbPermissions.RemoveEntry(securityPrincipal);
}
}
}
}
}