urbit/pkg/arvo/app/chat-hook.hoon
2020-06-17 17:12:13 -04:00

743 lines
20 KiB
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:: chat-hook:
:: mirror chat data from foreign to local based on read permissions
:: allow sending chat messages to foreign paths based on write perms
::
/- *permission-store, *invite-store, *metadata-store,
*permission-hook, *group-store, *permission-group-hook, ::TMP for upgrade
hook=chat-hook,
view=chat-view
/+ default-agent, verb, dbug, store=chat-store
~% %chat-hook-top ..is ~
|%
+$ card card:agent:gall
::
+$ versioned-state
$% state-0
state-1
==
::
+$ state-1
$: %1
loaded-cards=(list card)
state-base
==
+$ state-0 [%0 state-base]
+$ state-base
$: =synced:hook
invite-created=_|
allow-history=(map path ?)
==
::
+$ poke
$% [%chat-action action:store]
[%permission-action permission-action]
[%invite-action invite-action]
[%chat-view-action action:view]
==
::
+$ fact
$% [%chat-update update:store]
==
--
=| state-1
=* state -
::
%- agent:dbug
%+ verb |
^- agent:gall
=<
~% %chat-hook-agent-core ..poke-json ~
|_ bol=bowl:gall
+* this .
chat-core +>
cc ~(. chat-core bol)
def ~(. (default-agent this %|) bol)
::
++ on-init
^- (quip card _this)
:_ this(invite-created %.y)
:~ (invite-poke:cc [%create /chat])
[%pass /invites %agent [our.bol %invite-store] %watch /invitatory/chat]
[%pass /permissions %agent [our.bol %permission-store] %watch /updates]
==
++ on-save !>(state)
++ on-load
|= old-vase=vase
^- (quip card _this)
|^
=/ old !<(versioned-state old-vase)
?: ?=(%1 -.old)
:_ this(state old)
%+ murn ~(tap by wex.bol)
|= [[=wire =ship =term] *]
^- (unit card)
?. &(?=([%mailbox *] wire) =(our.bol ship) =(%chat-store term))
~
`[%pass wire %agent [our.bol %chat-store] %leave ~]
:: path structure ugprade logic
::
=/ keys=(set path) (scry:cc (set path) %chat-store /keys)
=/ upgraded-state
%* . *state-1
synced synced
invite-created invite-created
allow-history allow-history
loaded-cards
%- zing
^- (list (list card))
%+ turn ~(tap in keys) generate-cards
==
:_ this(state upgraded-state)
loaded-cards.upgraded-state
::
++ generate-cards
|= old-chat=path
^- (list card)
=/ host=ship (slav %p (snag 0 old-chat))
=/ new-chat [%'~' old-chat]
=/ newp=permission (unify-permissions old-chat)
=/ old-group=path [%chat old-chat]
%- zing
:~ :~ (delete-group host (snoc old-group %read))
(delete-group host (snoc old-group %write))
==
::
(create-group new-chat who.newp)
(hookup-group new-chat kind.newp)
[(record-group new-chat new-chat)]~
(recreate-chat host old-chat new-chat)
==
::
++ recreate-chat
|= [host=ship chat=path new-chat=path]
^- (list card)
=/ old-mailbox=mailbox:store
(need (scry:cc (unit mailbox:store) %chat-store [%mailbox chat]))
=* enves envelopes.old-mailbox
:~ (chat-poke:cc [%delete new-chat])
(chat-poke:cc [%delete chat])
(chat-poke:cc [%create new-chat])
(chat-poke:cc [%messages new-chat enves])
(chat-poke:cc [%read new-chat])
%^ make-poke %chat-hook %chat-hook-action
!> ^- action:hook
?: =(our.bol host) [%add-owned new-chat %.y]
[%add-synced host new-chat %.y]
==
::
++ unify-permissions
|= chat=path
^- permission
=/ read=(unit permission) (get-permission chat %read)
=/ write=(unit permission) (get-permission chat %write)
?. &(?=(^ read) ?=(^ write))
~& [%missing-permission chat read=?=(~ read) write=?=(~ write)]
[%white [(slav %p (snag 0 chat)) ~ ~]]
?+ [kind.u.read kind.u.write] !!
:: village: exclusive to writers
::
[%white %white] [%white who.u.write]
::
:: channel: merge blacklists
::
[%black %black] [%black (~(uni in who.u.read) who.u.write)]
::
:: journal: exclusive to writers
::
[%black %white] [%white who.u.write]
::
:: mailbox: exclusive to readers
::
[%white %black] [%white who.u.read]
==
::
++ get-permission
|= [chat=path what=?(%read %write)]
%^ scry:cc (unit permission)
%permission-store
[%permission %chat (snoc chat what)]
::
++ make-poke
|= [app=term =mark =vase]
^- card
[%pass /on-load/[app]/[mark] %agent [our.bol app] %poke mark vase]
::
++ delete-group
|= [host=ship group=path]
^- card
:: if we host the group, delete it directly
::
?: =(our.bol host)
%^ make-poke %group-store
%group-action
!> ^- group-action
[%unbundle group]
:: else, just delete the sync in the hook
::
%^ make-poke %permission-hook
%permission-hook-action
!> ^- permission-hook-action
[%remove group]
::
++ create-group
|= [group=path who=(set ship)]
^- (list card)
:~ %^ make-poke %group-store
%group-action
!> ^- group-action
[%bundle group]
::
%^ make-poke %group-store
%group-action
!> ^- group-action
[%add who group]
==
::
++ hookup-group
|= [group=path =kind]
^- (list card)
:* %^ make-poke %permission-group-hook
%permission-group-hook-action
!> ^- permission-group-hook-action
[%associate group [group^kind ~ ~]]
::
=/ =ship (slav %p (snag 1 group))
?. =(our.bol ship) ~
:_ ~
%^ make-poke %permission-hook
%permission-hook-action
!> ^- permission-hook-action
[%add-owned group group]
==
::
++ record-group
|= [group=path chat=path]
^- card
=/ =metadata
~| [%weird-chat-path chat]
%* . *metadata
title (snag 2 chat)
date-created now.bol
creator (slav %p (snag 1 chat))
==
%^ make-poke %metadata-store
%metadata-action
!> ^- metadata-action
[%add group [%chat chat] metadata]
--
::
++ on-poke
~/ %chat-hook-poke
|= [=mark =vase]
^- (quip card _this)
=^ cards state
?+ mark (on-poke:def mark vase)
%json (poke-json:cc !<(json vase))
%chat-action (poke-chat-action:cc !<(action:store vase))
%noun
?: =(%store-load q.vase)
[loaded-cards.state state(loaded-cards ~)]
[~ state]
::
%chat-hook-action
(poke-chat-hook-action:cc !<(action:hook vase))
==
[cards this]
::
++ on-watch
~/ %chat-hook-watch
|= =path
^- (quip card _this)
?+ path (on-watch:def path)
[%backlog *] [(watch-backlog:cc t.path) this]
[%mailbox *] [(watch-mailbox:cc t.path) this]
[%synced *] [(watch-synced:cc t.path) this]
==
::
++ on-agent
~/ %chat-hook-agent
|= [=wire =sign:agent:gall]
^- (quip card _this)
?+ -.sign (on-agent:def wire sign)
%watch-ack
=^ cards state
(watch-ack:cc wire p.sign)
[cards this]
::
%kick
=^ cards state
(kick:cc wire)
[cards this]
::
%fact
?+ p.cage.sign (on-agent:def wire sign)
%chat-update
=^ cards state
(fact-chat-update:cc wire !<(update:store q.cage.sign))
[cards this]
::
%invite-update
=^ cards state
(fact-invite-update:cc wire !<(invite-update q.cage.sign))
[cards this]
::
%permission-update
=^ cards state
(fact-permission-update:cc wire !<(permission-update q.cage.sign))
[cards this]
==
==
::
++ on-leave on-leave:def
++ on-peek on-peek:def
++ on-arvo on-arvo:def
++ on-fail on-fail:def
--
::
::
~% %chat-hook-library ..card ~
|_ bol=bowl:gall
::
++ poke-json
|= jon=json
^- (quip card _state)
(poke-chat-action (action:dejs:store jon))
::
++ poke-chat-action
|= act=action:store
^- (quip card _state)
?> ?=(%message -.act)
:: local
:_ state
?: (team:title our.bol src.bol)
?. (~(has by synced) path.act)
~
=* letter letter.envelope.act
=? letter &(?=(%code -.letter) ?=(~ output.letter))
=/ =hoon (ream expression.letter)
letter(output (eval:store bol hoon))
=/ ship (~(got by synced) path.act)
=/ appl ?:(=(ship our.bol) %chat-store %chat-hook)
[%pass / %agent [ship appl] %poke %chat-action !>(act)]~
:: foreign
=/ ship (~(get by synced) path.act)
?~ ship ~
?. =(u.ship our.bol) ~
:: check if write is permitted
?. (is-permitted src.bol path.act) ~
=: author.envelope.act src.bol
when.envelope.act now.bol
==
[%pass / %agent [our.bol %chat-store] %poke %chat-action !>(act)]~
::
++ poke-chat-hook-action
|= act=action:hook
^- (quip card _state)
?- -.act
%add-owned
?> (team:title our.bol src.bol)
=/ chat-path [%mailbox path.act]
=/ chat-wire [%store path.act]
?: (~(has by synced) path.act) [~ state]
=: synced (~(put by synced) path.act our.bol)
allow-history (~(put by allow-history) path.act allow-history.act)
==
:_ state
:~ [%pass chat-wire %agent [our.bol %chat-store] %watch chat-path]
[%give %fact [/synced]~ %chat-hook-update !>([%initial synced])]
==
::
%add-synced
?> (team:title our.bol src.bol)
?: (~(has by synced) path.act) [~ state]
=. synced (~(put by synced) path.act ship.act)
?. ask-history.act
=/ chat-path [%mailbox path.act]
:_ state
[%pass chat-path %agent [ship.act %chat-hook] %watch chat-path]~
=/ mailbox=(unit mailbox:store) (chat-scry path.act)
=/ chat-history=path
:- %backlog
%+ weld path.act
?~(mailbox /0 /(scot %ud (lent envelopes.u.mailbox)))
:_ state
:~ [%pass chat-history %agent [ship.act %chat-hook] %watch chat-history]
[%give %fact [/synced]~ %chat-hook-update !>([%initial synced])]
==
::
%remove
=/ ship=(unit ship)
=/ ship (~(get by synced) path.act)
?^ ship ship
=? path.act ?=([%'~' *] path.act) t.path.act
?~ path.act ~
(slaw %p i.path.act)
?~ ship
~& [dap.bol %unknown-host-cannot-leave path.act]
[~ state]
?: &(!=(u.ship src.bol) ?!((team:title our.bol src.bol)))
[~ state]
=. synced (~(del by synced) path.act)
:_ state
:* [%give %kick ~[[%mailbox path.act]] ~]
[%give %fact [/synced]~ %chat-hook-update !>([%initial synced])]
(pull-wire u.ship [%mailbox path.act])
(pull-wire u.ship [%store path.act])
(pull-backlog-subscriptions u.ship path.act)
==
==
::
++ watch-synced
|= pax=path
^- (list card)
?> (team:title our.bol src.bol)
[%give %fact ~ %chat-hook-update !>([%initial synced])]~
::
++ watch-mailbox
|= pax=path
^- (list card)
?> ?=(^ pax)
?> (~(has by synced) pax)
:: check if read is permitted
?> (is-permitted src.bol pax)
=/ box (chat-scry pax)
?~ box !!
[%give %fact ~ %chat-update !>([%create pax])]~
::
++ watch-backlog
|= pax=path
^- (list card)
?> ?=(^ pax)
=/ last (dec (lent pax))
=/ backlog-latest=(unit @ud) (rush (snag last `(list @ta)`pax) dem:ag)
=/ pas `path`(oust [last 1] `(list @ta)`pax)
?> ?=([* ^] pas)
?> (~(has by synced) pas)
?> (is-permitted src.bol pas)
=/ envs envelopes:(need (chat-scry pas))
=/ length (lent envs)
=/ latest
?~ backlog-latest length
?: (gth u.backlog-latest length) length
(sub length u.backlog-latest)
=. envs (scag latest envs)
=/ =vase !>([%messages pas 0 latest envs])
%- zing
:~ [%give %fact ~ %chat-update !>([%create pas])]~
?. ?&(?=(^ backlog-latest) (~(has by allow-history) pas)) ~
[%give %fact ~ %chat-update vase]~
[%give %kick [%backlog pax]~ `src.bol]~
==
::
++ fact-invite-update
|= [wir=wire fact=invite-update]
^- (quip card _state)
:_ state
?+ -.fact ~
%accepted
=/ ask-history ?~((chat-scry path.invite.fact) %.y %.n)
=* shp ship.invite.fact
=* app-path path.invite.fact
~[(chat-view-poke [%join shp app-path ask-history])]
==
::
++ fact-permission-update
|= [wir=wire fact=permission-update]
^- (quip card _state)
|^
:_ state
?+ -.fact ~
%add (handle-permissions [%add path.fact who.fact])
%remove (handle-permissions [%remove path.fact who.fact])
==
::
++ handle-permissions
|= [kind=?(%add %remove) pax=path who=(set ship)]
^- (list card)
%- zing
%+ turn
(chats-of-group pax)
|= chat=path
^- (list card)
=/ owner (~(get by synced) chat)
?~ owner ~
?. =(u.owner our.bol) ~
%- zing
%+ turn ~(tap in who)
|= =ship
?: (is-permitted ship chat)
?: ?|(=(kind %remove) =(ship our.bol) (is-managed pax)) ~
:: if ship has just been added to the permitted group,
:: send them an invite
~[(send-invite chat ship)]
:: if ship is not permitted, kick their subscription
[%give %kick [%mailbox chat]~ `ship]~
::
++ send-invite
|= [=path =ship]
^- card
=/ =invite [our.bol %chat-hook path ship '']
=/ act=invite-action [%invite /chat (shaf %msg-uid eny.bol) invite]
[%pass / %agent [our.bol %invite-hook] %poke %invite-action !>(act)]
::
++ is-managed
|= =path
^- ?
?> ?=(^ path)
!=(i.path '~')
--
::
++ fact-chat-update
|= [wir=wire =update:store]
^- (quip card _state)
?: (team:title our.bol src.bol)
(handle-local update)
(handle-foreign update)
::
++ handle-local
|= =update:store
^- (quip card _state)
?+ -.update [~ state]
%delete
?. (~(has by synced) path.update) [~ state]
=. synced (~(del by synced) path.update)
:_ state
:~ [%pass [%mailbox path.update] %agent [our.bol %chat-store] %leave ~]
[%give %fact [/synced]~ %chat-hook-update !>([%initial synced])]
==
::
%message
:_ state
[%give %fact [%mailbox path.update]~ %chat-update !>(update)]~
::
%messages
:_ state
[%give %fact [%mailbox path.update]~ %chat-update !>(update)]~
==
::
++ handle-foreign
|= =update:store
^- (quip card _state)
?+ -.update [~ state]
%create
:_ state
?> ?=([* ^] path.update)
=/ shp (~(get by synced) path.update)
?~ shp ~
?. =(src.bol u.shp) ~
[(chat-poke [%create path.update])]~
::
%delete
?> ?=([* ^] path.update)
=/ shp (~(get by synced) path.update)
?~ shp [~ state]
?. =(u.shp src.bol) [~ state]
=. synced (~(del by synced) path.update)
:_ state
:- (chat-poke [%delete path.update])
:~ [%pass [%mailbox path.update] %agent [src.bol %chat-hook] %leave ~]
[%give %fact [/synced]~ %chat-hook-update !>([%initial synced])]
==
::
%message
:_ state
?> ?=([* ^] path.update)
=/ shp (~(get by synced) path.update)
?~ shp ~
?. =(src.bol u.shp) ~
[(chat-poke [%message path.update envelope.update])]~
::
%messages
:_ state
?> ?=([* ^] path.update)
=/ shp (~(get by synced) path.update)
?~ shp ~
?. =(src.bol u.shp) ~
[(chat-poke [%messages path.update envelopes.update])]~
==
::
++ kick
|= wir=wire
^- (quip card _state)
?: =(wir /permissions)
:_ state
[%pass /permissions %agent [our.bol %permission-store] %watch /updates]~
::
?+ wir !!
[%store @ *]
~& store-kick+wir
?. (~(has by synced) t.wir) [~ state]
~& %chat-store-resubscribe
=/ mailbox=(unit mailbox:store)
(chat-scry t.wir)
:_ state
[%pass wir %agent [our.bol %chat-store] %watch [%mailbox t.wir]]~
::
[%mailbox @ *]
~& mailbox-kick+wir
?. (~(has by synced) t.wir) [~ state]
~& %chat-hook-resubscribe
=/ =ship (~(got by synced) t.wir)
=/ mailbox=(unit mailbox:store) (chat-scry t.wir)
=/ chat-history
%+ welp backlog+t.wir
?~(mailbox /0 /(scot %ud (lent envelopes.u.mailbox)))
:_ state
[%pass chat-history %agent [ship %chat-hook] %watch chat-history]~
::
[%backlog @ @ *]
=/ chat=path (oust [(dec (lent t.wir)) 1] `(list @ta)`t.wir)
?. (~(has by synced) chat) [~ state]
=/ =ship
?: =('~' i.t.wir)
(slav %p i.t.t.wir)
(slav %p i.t.wir)
=/ =path ?~((chat-scry chat) wir [%mailbox chat])
:_ state
[%pass path %agent [ship %chat-hook] %watch path]~
==
::
++ watch-ack
|= [wir=wire saw=(unit tang)]
^- (quip card _state)
?~ saw [~ state]
?+ wir [~ state]
[%store @ *]
(poke-chat-hook-action %remove t.wir)
::
[%backlog @ @ @ *]
=/ chat=path (oust [(dec (lent t.wir)) 1] `(list @ta)`t.wir)
:_ state
%. ~[(chat-view-poke %delete chat)]
%- slog
:* leaf+"chat-hook failed subscribe on {(spud chat)}"
leaf+"stack trace:"
u.saw
==
==
::
++ chat-poke
|= act=action:store
^- card
[%pass / %agent [our.bol %chat-store] %poke %chat-action !>(act)]
::
++ chat-view-poke
|= act=action:view
^- card
[%pass / %agent [our.bol %chat-view] %poke %chat-view-action !>(act)]
::
++ invite-poke
|= act=invite-action
^- card
[%pass / %agent [our.bol %invite-store] %poke %invite-action !>(act)]
::
++ sec-to-perm
|= [pax=path =kind]
^- permission-action
[%create pax kind *(set ship)]
::
++ chat-scry
|= pax=path
^- (unit mailbox:store)
%^ scry (unit mailbox:store)
%chat-store
[%mailbox pax]
::
++ invite-scry
|= uid=serial
^- (unit invite)
%^ scry (unit invite)
%invite-store
/invite/chat/(scot %uv uid)
::
++ chats-of-group
|= =group-path
^- (list path)
:: if metadata-store isn't running yet, we're still in the upgrade ota phase.
:: we can't get chats from the metadata-store, but can make assumptions
:: about group path shape, and the chat that would match it.
::TODO remove me at some point.
::
?. .^(? %gu (scot %p our.bol) %metadata-store (scot %da now.bol) ~) ~
%+ murn
^- (list resource)
=; resources
%~ tap in
%+ ~(gut by resources)
group-path
*(set resource)
.^ (jug path resource)
%gy
(scot %p our.bol)
%metadata-store
(scot %da now.bol)
/group-indices
==
|= resource
^- (unit path)
?. =(%chat app-name) ~
`app-path
::
++ groups-of-chat
|= chat=path
^- (list group-path)
:: if metadata-store isn't running yet, we're still in the upgrade ota phase.
:: we can't get groups from the metadata-store, but can make assumptions
:: about chat path shape, and the chat that would match it.
::TODO remove me at some point.
::
?. .^(? %gu (scot %p our.bol) %metadata-store (scot %da now.bol) ~) ~
=; resources
%~ tap in
%+ ~(gut by resources)
[%chat chat]
*(set group-path)
.^ (jug resource group-path)
%gy
(scot %p our.bol)
%metadata-store
(scot %da now.bol)
/resource-indices
==
::
::NOTE this assumes permission paths match group paths
++ is-permitted
|= [who=ship chat=path]
^- ?
%+ lien (groups-of-chat chat)
|= =group-path
%^ scry ?
%permission-store
[%permitted (scot %p who) group-path]
::
++ scry
|* [=mold app=term =path]
.^ mold
%gx
(scot %p our.bol)
app
(scot %da now.bol)
(snoc `^path`path %noun)
==
::
++ pull-backlog-subscriptions
|= [target=ship chat=path]
^- (list card)
%+ murn ~(tap by wex.bol)
|= [[=wire =ship =term] [acked=? =path]]
^- (unit card)
?. ?& =(ship target)
?=([%backlog *] wire)
=(`1 (find chat wire))
==
~
`(pull-wire target wire)
::
++ pull-wire
|= [=ship =wire]
^- card
?: =(ship our.bol)
[%pass wire %agent [our.bol %chat-store] %leave ~]
[%pass wire %agent [ship %chat-hook] %leave ~]
--