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282 lines
7.8 KiB
Plaintext
282 lines
7.8 KiB
Plaintext
:: permission-hook: allows mirroring permissions between local and foreign
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:: ships. access control to an owned permission path is specified by the
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:: access-control path.
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::
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/- *permission-hook
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/+ *permission-json
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|%
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+$ move [bone card]
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::
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+$ card
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$% [%diff [%permission-update permission-update]]
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[%quit ~]
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[%poke wire dock [%permission-action permission-action]]
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[%pull wire dock ~]
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[%peer wire dock path]
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==
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::
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+$ state
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$% [%0 state-zero]
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==
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::
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+$ owner-access [ship=ship access-control=path]
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::
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+$ state-zero
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$: synced=(map path owner-access)
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access-control=(map path (set path))
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boned=(map wire (list bone))
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==
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::
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--
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::
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|_ [bol=bowl:gall state]
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::
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++ this .
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::
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++ prep
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|= old=(unit state)
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^- (quip move _this)
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[~ ?~(old this this(+<+ u.old))]
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::
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++ poke-permission-hook-action
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|= act=permission-hook-action
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^- (quip move _this)
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?- -.act
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%add-owned
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?> (team:title our.bol src.bol)
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?: (~(has by synced) owned.act)
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[~ this]
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=. synced (~(put by synced) owned.act [our.bol access.act])
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=/ access-paths
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?. (~(has by access-control) access.act)
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[owned.act ~ ~]
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(~(put in (~(got by access-control) access.act)) owned.act)
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=. access-control
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(~(put by access-control) access.act access-paths)
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=/ perm-path [%permission owned.act]
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:_ (track-bone perm-path)
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[ost.bol %peer perm-path [our.bol %permission-store] perm-path]~
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::
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%add-synced
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?> (team:title our.bol src.bol)
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?: (~(has by synced) path.act)
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[~ this]
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=. synced (~(put by synced) path.act [ship.act ~])
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=/ perm-path [%permission path.act]
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:_ (track-bone perm-path)
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[ost.bol %peer perm-path [ship.act %permission-hook] perm-path]~
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::
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%remove
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=/ owner-access=(unit owner-access) (~(get by synced) path.act)
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?~ owner-access
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[~ this]
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?: &(=(ship.u.owner-access our.bol) (team:title our.bol src.bol))
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:: delete one of our.bol own paths
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:_ %_ this
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synced (~(del by synced) path.act)
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boned (~(del by boned) [%permission path.act])
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::
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access-control
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(~(del by access-control) access-control.u.owner-access)
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==
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%- zing
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:~ (pull-wire [%permission path.act])
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^- (list move)
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%+ turn (prey:pubsub:userlib [%permission path.act] bol)
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|= [=bone *]
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[bone %quit ~]
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==
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?. |(=(ship.u.owner-access src.bol) (team:title our.bol src.bol))
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:: if neither ship = source or source = us, do nothing
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[~ this]
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:: delete a foreign ship's path
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:_ %_ this
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synced (~(del by synced) path.act)
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boned (~(del by boned) [%permission path.act])
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==
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(pull-wire [%permission path.act])
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==
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::
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++ peer-permission
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|= pax=path
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^- (quip move _this)
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?> ?=([* ^] pax)
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=/ =owner-access (~(got by synced) pax)
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?> =(our.bol ship.owner-access)
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:: scry permissions to check if subscriber is allowed
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?> (permitted-scry (scot %p src.bol) access-control.owner-access)
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=/ pem (permission-scry pax)
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:_ this
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[ost.bol %diff %permission-update [%create pax pem]]~
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::
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++ diff-permission-update
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|= [wir=wire diff=permission-update]
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^- (quip move _this)
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?: (team:title our.bol src.bol)
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(handle-local diff)
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(handle-foreign diff)
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::
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++ handle-local
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|= diff=permission-update
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^- (quip move _this)
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?- -.diff
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%create [~ this]
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%add (change-local-permission [%add path.diff who.diff])
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%remove (change-local-permission [%remove path.diff who.diff])
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::
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%delete
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?. (~(has by synced) path.diff)
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[~ this]
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:_ this(synced (~(del by synced) path.diff))
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[ost.bol %pull [%permission path.diff] [our.bol %permission-store] ~]~
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==
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::
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++ change-local-permission
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|= [kind=?(%add %remove) pax=path who=(set ship)]
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^- (quip move _this)
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:_ this
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%+ weld
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?- kind
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%add (update-subscribers [%permission pax] [%add pax who])
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%remove (update-subscribers [%permission pax] [%remove pax who])
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==
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=/ access-paths=(unit (set path)) (~(get by access-control) pax)
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:: check if this path changes the access permissions for other paths
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?~ access-paths
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~
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(quit-subscriptions kind pax who u.access-paths)
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::
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++ handle-foreign
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|= diff=permission-update
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^- (quip move _this)
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?- -.diff
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%create (change-foreign-permission path.diff diff)
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%add (change-foreign-permission path.diff diff)
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%remove (change-foreign-permission path.diff diff)
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::
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%delete
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?> ?=([* ^] path.diff)
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=/ owner-access=(unit owner-access) (~(get by synced) path.diff)
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?~ owner-access
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[~ this]
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?. =(ship.u.owner-access src.bol)
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[~ this]
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:_ this(synced (~(del by synced) path.diff))
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:~ (permission-poke diff)
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[ost.bol %pull [%permission path.diff] [src.bol %permission-hook] ~]
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==
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==
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::
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++ change-foreign-permission
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|= [pax=path diff=permission-update]
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^- (quip move _this)
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?> ?=([* ^] pax)
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=/ owner-access=(unit owner-access) (~(get by synced) pax)
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:_ this
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?~ owner-access ~
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?. =(src.bol ship.u.owner-access) ~
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[(permission-poke diff)]~
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::
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++ quit-subscriptions
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|= [kind=?(%add %remove) pax=path who=(set ship) access-paths=(set path)]
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^- (list move)
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=/ perm (permission-scry pax)
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?. ?|
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?&(=(kind.perm %black) =(kind %add))
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?&(=(kind.perm %white) =(kind %remove))
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==
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:: if allow, do nothing
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~
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=/ sup
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%- ~(gas by *(map [ship path] bone))
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%+ turn ~(tap by sup.bol)
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|=([=bone anchor=[ship path]] [anchor bone])
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:: if ban, iterate through
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:: all ships that have been banned
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:: and all affected paths that have had their permissions changed
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:: then quit their subscriptions
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::
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%- zing
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%+ turn ~(tap in who)
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|= check-ship=ship
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^- (list move)
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%+ murn ~(tap in access-paths)
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|= access-path=path
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^- (unit move)
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=/ bne (~(get by sup) [check-ship [%permission access-path]])
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?~(bne ~ `[u.bne %quit ~])
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::
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++ quit
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|= wir=wire
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^- (quip move _this)
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~& permission-hook-quit+wir
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?> ?=([* ^] wir)
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?. (~(has by synced) t.wir)
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:: no-op
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[~ this]
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=/ =owner-access (~(got by synced) t.wir)
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~& %permission-hook-resubscribe
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:_ (track-bone wir)
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[ost.bol %peer wir [ship.owner-access %permission-hook] wir]~
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::
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++ reap
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|= [wir=wire saw=(unit tang)]
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^- (quip move _this)
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?~ saw
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[~ this]
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?> ?=(^ wir)
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:_ this(synced (~(del by synced) t.wir))
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%. ~
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%- slog
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:* leaf+"permission-hook failed subscribe on {(spud t.wir)}"
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leaf+"stack trace:"
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u.saw
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==
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::
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++ permission-scry
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|= pax=path
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^- permission
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=. pax ;:(weld /=permission-store/(scot %da now.bol)/permission pax /noun)
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(need .^((unit permission) %gx pax))
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::
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++ permitted-scry
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|= pax=path
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^- ?
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.^(? %gx ;:(weld /=permission-store/(scot %da now.bol)/permitted pax /noun))
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::
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++ permission-poke
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|= act=permission-action
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^- move
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[ost.bol %poke / [our.bol %permission-store] [%permission-action act]]
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::
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++ update-subscribers
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|= [pax=path upd=permission-update]
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^- (list move)
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%+ turn (prey:pubsub:userlib pax bol)
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|= [=bone *]
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[bone %diff %permission-update upd]
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::
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++ track-bone
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|= wir=wire
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^+ this
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=/ bnd (~(get by boned) wir)
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?^ bnd
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this(boned (~(put by boned) wir (snoc u.bnd ost.bol)))
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this(boned (~(put by boned) wir [ost.bol]~))
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::
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++ pull-wire
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|= pax=path
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^- (list move)
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?> ?=([* ^] pax)
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=/ bnd (~(get by boned) pax)
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?~ bnd ~
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=/ owner-access=(unit owner-access) (~(get by synced) t.pax)
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?~ owner-access ~
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%+ turn u.bnd
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|= =bone
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?: =(ship.u.owner-access our.bol)
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[bone %pull pax [our.bol %permission-store] ~]
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[bone %pull pax [ship.u.owner-access %permission-hook] ~]
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::
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--
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