diff options
Diffstat (limited to '')
-rw-r--r-- | stdlib/source/lux/control/security/policy.lux | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/stdlib/source/lux/control/security/policy.lux b/stdlib/source/lux/control/security/policy.lux deleted file mode 100644 index 1d3c0e43e..000000000 --- a/stdlib/source/lux/control/security/policy.lux +++ /dev/null @@ -1,92 +0,0 @@ -(.module: - [lux #* - [abstract - [functor (#+ Functor)] - [apply (#+ Apply)] - [monad (#+ Monad)]] - [type - abstract]]) - -(abstract: #export (Policy brand value label) - value - - (type: #export (Can_Upgrade brand label value) - {#.doc (doc "Represents the capacity to 'upgrade' a value.")} - (-> value (Policy brand value label))) - - (type: #export (Can_Downgrade brand label value) - {#.doc (doc "Represents the capacity to 'downgrade' a value.")} - (-> (Policy brand value label) value)) - - (type: #export (Privilege brand label) - {#.doc (doc "Represents the privilege to both 'upgrade' and 'downgrade' a value.")} - {#can_upgrade (Can_Upgrade brand label) - #can_downgrade (Can_Downgrade brand label)}) - - (def: privilege - Privilege - {#can_upgrade (|>> :abstraction) - #can_downgrade (|>> :representation)}) - - (type: #export (Delegation brand from to) - {#.doc (doc "Represents the act of delegating policy capacities.")} - (All [value] - (-> (Policy brand value from) - (Policy brand value to)))) - - (def: #export (delegation downgrade upgrade) - {#.doc (doc "Delegating policy capacities.")} - (All [brand from to] - (-> (Can_Downgrade brand from) (Can_Upgrade brand to) - (Delegation brand from to))) - (|>> downgrade upgrade)) - - (type: #export (Context brand scope label) - {#.doc (doc "A computational context with an associated policy privilege.")} - (-> (Privilege brand label) - (scope label))) - - (def: #export (with_policy context) - (All [brand scope] - (Ex [label] - (-> (Context brand scope label) - (scope label)))) - (context ..privilege)) - - (def: (decorate constructor) - (-> Type Type) - (type (All [brand label] (constructor (All [value] (Policy brand value label)))))) - - (implementation: #export functor - (:~ (decorate Functor)) - - (def: (map f fa) - (|> fa :representation f :abstraction))) - - (implementation: #export apply - (:~ (decorate Apply)) - - (def: &functor ..functor) - (def: (apply ff fa) - (:abstraction ((:representation ff) (:representation fa))))) - - (implementation: #export monad - (:~ (decorate Monad)) - - (def: &functor ..functor) - (def: wrap (|>> :abstraction)) - (def: join (|>> :representation))) - ) - -(template [<brand> <value> <upgrade> <downgrade>] - [(abstract: #export <brand> - Any - - (type: #export <value> (Policy <brand>)) - (type: #export <upgrade> (Can_Upgrade <brand>)) - (type: #export <downgrade> (Can_Downgrade <brand>)) - )] - - [Privacy Private Can_Conceal Can_Reveal] - [Safety Safe Can_Trust Can_Distrust] - ) |