private void OnPrivilegeGranted(ESysPrivilege privilege)
{
if (PrivilegeGranted != null)
{
PrivilegeGranted(this.userRole as RoleManager.Role, privilege);
}
}
private void privManager_PrivilegeGranted(RoleManager.Role sender, ESysPrivilege privilege)
{
// create a queue
var queue = CreateDistributionQueue(
new {
Source = default(RoleManager.Role),
Destination = default(UserRole),
Privilege = default(ESysPrivilege)
});
// fill a queue
foreach (UserRole userRole in sender.RoleManager.Dependants)
{
queue.Enqueue(new { Source = sender, Destination = userRole, Privilege = privilege });
}
// start BFS
while (queue.Count > 0)
{
// get a distribution vector
var vector = queue.Dequeue();
// get a user or role, which is going to download the privilege info
UserRole destination = vector.Destination;
if (destination.PrivManager.DownloadPrivilegeChange(privilege, vector.Source))
{
// enqueue dependants
foreach (UserRole dependant in destination.RoleManager.Dependants)
{
queue.Enqueue(new { Source = destination as RoleManager.Role, Destination = dependant, Privilege = privilege });
}
}
}
}
public GrantedSysPrivilege(string grantee,
ESysPrivilege privilege,
bool directGrant,
bool adminOption) :
base(grantee)
{
this.grantee = grantee;
this.privilege = privilege;
this.adminOption = adminOption;
this.directGrant = directGrant;
}
public GrantedSysPrivilege(string grantee,
ESysPrivilege privilege,
bool directGrant,
bool adminOption)
: base(grantee)
{
this.grantee = grantee;
this.privilege = privilege;
this.adminOption = adminOption;
this.directGrant = directGrant;
}
public bool GetPrivilegeGrantInfo(ESysPrivilege privilege, out GrantedSysPrivilege grant)
{
IEnumerable <GrantedSysPrivilege> search =
from privGrant in privileges
where privGrant.Privilege == privilege
select privGrant;
if (search.Count() > 0)
{
grant = search.First();
return(true);
}
else
{
grant = null;
return(false);
}
}
public bool DownloadPrivilegeChange(ESysPrivilege privilege, RoleManager.Role from)
{
GrantedSysPrivilege downloaded;
RolePrivManagerLocal rolePrivManager = from.PrivManager as RolePrivManagerLocal;
if (rolePrivManager.GetPrivilegeGrantInfo(privilege, out downloaded))
{
if (mergePrivilege(createInheritedGrant(downloaded)))
{
return(true);
}
else
{
return(false);
}
}
return(false);
}
