Files
Nitro-V3/src/hooks/session
simoleo89 989b132c6a fix(hooks): useHasPermission must distinguish ALLOWED from ROOM_OWNER
The permission map shipped over the wire carries both
PermissionSetting.ALLOWED (value 1) and PermissionSetting.ROOM_OWNER
(value 2). Server-side, `Habbo.hasPermission(key)` calls
`Rank.hasPermission(key, isRoomOwner=false)`, whose implementation
at Rank.java:120 is:

  setting == ALLOWED || (setting == ROOM_OWNER && isRoomOwner)

So a permission whose rank value is ROOM_OWNER is only granted when
the caller is the active room owner — Habbo.hasPermission(key) with
the default `false` therefore returns false for ROOM_OWNER entries.

The previous useHasPermission implementation (`> 0`) treated
ROOM_OWNER as unconditionally true, which would let a UI gate light
up even when the server would refuse the action. Real example from
the default seed: `acc_closedice_room` is ROOM_OWNER for rank_1..6
and ALLOWED only for rank_7 — under `> 0` the predicate was true for
every rank, diverging from the server behaviour.

Tighten useHasPermission to `=== 1` (ALLOWED only). For the genuine
"this is a ROOM_OWNER permission, combine with room session"
scenarios, code reaches for usePermissionValue(key) and checks
`=== 2 && roomSession.isRoomOwner` explicitly.

None of the 11 migrated consumers are affected by the tightening:
the keys they use (acc_supporttool / acc_anyroomowner /
acc_catalogfurni / acc_calendar_force / acc_staff_pick /
acc_ambassador) are all ALLOWED-only in the default seed.

Test refresh:
- useHasPermission('acc_supporttool') (value 1) stays true.
- useHasPermission('acc_anyroomowner') with value 2 in the mock
  flips from true to false — the new contract.
- Other cases unchanged.

Verification: yarn typecheck clean, yarn lint:hooks clean, yarn test
214/214.
2026-05-19 19:45:19 +02:00
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