I've been tasked to modify a security layer for an
existing catalog application.  Right now it has
security algorithms that are unwieldy and are proving
difficult to scale.  I need to redesign the security
layer so that it is almost a pluggable object.  Let me
describe the application.  It is a catalog application
has multiple "resources", each resource has elements
that are available to only a select group.  The
difficulty comes in because right now there are sub
groups for every group.  Example- Group A has sub
groups a1,a2,a3, now, if a resource has a status of
"declined" only people in group a2 or higher can see
the resource and only people in group a1 can see any
money that is involved with the resource.  Also there
is of course a listing element to the software that
lists resources and some summary information that
could involve pieces that are viewable to people that
belong to the right combination of groups.  That is
why the current security has become unwieldy.  The
security was added as an after-thought so it was never
designed properly and has been added to and added to
over time so now it has reached it's limit of
acceptability.  I need to create a central template
that I can call to calculate the security level.  If
this situation sounds familiar to anybody I would love
to hear experiences.

J


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