private void ApplySecuritySettings(SPListItem item, Rule r)
{
List<PermissionAssigment> permissionAssignments = r.PermissionAssignments;
using (SPSite site = new SPSite(item.Web.Site.ID))
{
using (SPWeb web = site.OpenWeb(item.Web.ID))
{
SPListItem listItem = web.GetListItem(web.Url + "/" + item.Url);
SPUser owner = listItem.GetOwner();
if (!r.PreserveExistingSecurity)
{
listItem.RemoveAllPermissions();
}
if (!string.IsNullOrEmpty(r.OwnerPermission))
listItem.SetPermissions(r.OwnerPermission, owner.LoginName);
foreach (PermissionAssigment pa in permissionAssignments)
{
setPerrmissionToListItem(listItem, pa);
}
//remove system account
if (listItem.HasUniqueRoleAssignments)
{
//RunWithElevatedPrivileges => CurrentUser is System Account
SPPrincipal sysAccount = web.CurrentUser;
listItem.RoleAssignments.Remove(sysAccount);
}
}
}
}
private bool ValidateItem(SPListItem item, Rule rule)
{
if (!string.IsNullOrEmpty(rule.ContentTypeId) &&
item[SPBuiltInFieldId.ContentTypeId].ToString() != rule.ContentTypeId)
return false;
if (!validateDocumentTypes(item, rule))
{
return false;
}
foreach (Criteria c in rule.CriteriaList)
{
Guid fieldId = new Guid(c.FieldId);
if (item[fieldId] == null) return false;
if (FieldValueHelper.ValidateItemProperty(item, fieldId, c))
continue;
return false;
}
return true;
}
private bool ValidateRule(Rule r, SPListItem item, SPEventReceiverType eventType)
{
if (r.RunOnAdded && eventType == SPEventReceiverType.ItemAdded)
return true;
if (r.RunOnAnyUpdate == true &&
eventType == SPEventReceiverType.ItemUpdated &&
item.Level != SPFileLevel.Checkout)
return true;
if (r.RunOnFirstUpdate == true &&
eventType == SPEventReceiverType.ItemUpdated &&
item.Level != SPFileLevel.Checkout)
{
if (item[SPBuiltInFieldId.owshiddenversion].ToString() == "2")
{
return true;
}
}
return false;
}
private bool validateDocumentTypes(SPListItem item, Rule rule)
{
if (!string.IsNullOrEmpty(rule.DocumentTypes) && item.File != null)
{
string ext = item.File.Name.Substring(item.File.Name.LastIndexOf('.') + 1).ToLower();
foreach (string srtExt in rule.DocumentTypes.Split(new char[] { ';' }))
{
if (string.Compare(ext, srtExt.Trim(), true) == 0)
{
return true;
}
}
// If don't match any document type
return false;
}
return true;
}
