Files
oysqn.app/supabase/migrations/20260420170418_fix_members_rls_recursion.sql
Patrick Toal 108c042921 fix(edge-fn): replace getClaims with adminClient.auth.getUser(token)
fix(edge-fn): use user.id instead of claims.sub; fixes 500s and false cert_required
fix(migrations): drop broad reservations SELECT policy; add reservation_slots view with security_invoker=false
fix(tests): correct weekSlot() keys from start/end to start_time/end_time
fix(tests): spread overlap test slots across separate ISO weeks
fix(tests): update e2e assertion to match actual authenticated home text
fix(app): hide IonMenu before user is authenticated
feat(dx): add test:all script running unit, integration, and e2e in sequence
docs(claude-md): document SELinux fix, Edge Function auth pattern, security_invoker behaviour
2026-04-20 14:32:37 -04:00

77 lines
3.3 KiB
PL/PgSQL

-- Fix infinite recursion in members RLS.
--
-- The original "Admins can read all members" and "Admins can manage all members"
-- policies check role by querying members itself, which causes infinite recursion
-- when any authenticated user accesses the members table.
--
-- Solution: SECURITY DEFINER helper functions that bypass RLS to check the caller's
-- role, then reference those functions from the policies.
create or replace function public.current_user_role()
returns text
language sql
security definer
stable
set search_path = public
as $$
select role from public.members where user_id = auth.uid() limit 1;
$$;
create or replace function public.current_user_has_role(roles text[])
returns boolean
language sql
security definer
stable
set search_path = public
as $$
select exists (
select 1 from public.members
where user_id = auth.uid() and role = any(roles)
);
$$;
-- Drop the recursive policies on members
drop policy if exists "Admins can read all members" on public.members;
drop policy if exists "Admins can manage all members" on public.members;
-- Replace with non-recursive equivalents using the SECURITY DEFINER helper
create policy "Admins can read all members" on public.members
for select using (public.current_user_has_role(array['admin', 'boatswain', 'instructor']));
create policy "Admins can manage all members" on public.members
for all using (public.current_user_has_role(array['admin']));
-- Also fix all other tables that query members inline (same recursion risk)
drop policy if exists "Admins can manage boats" on public.boats;
create policy "Admins can manage boats" on public.boats
for all using (public.current_user_has_role(array['admin', 'boatswain']));
drop policy if exists "Admins can manage interval templates" on public.interval_templates;
create policy "Admins can manage interval templates" on public.interval_templates
for all using (public.current_user_has_role(array['admin', 'boatswain']));
drop policy if exists "Admins can manage intervals" on public.intervals;
create policy "Admins can manage intervals" on public.intervals
for all using (public.current_user_has_role(array['admin', 'boatswain']));
drop policy if exists "Admins can read all reservations" on public.reservations;
create policy "Admins can read all reservations" on public.reservations
for select using (public.current_user_has_role(array['admin', 'boatswain']));
drop policy if exists "Admins can manage all reservations" on public.reservations;
create policy "Admins can manage all reservations" on public.reservations
for all using (public.current_user_has_role(array['admin', 'boatswain']));
drop policy if exists "Admins can manage reference docs" on public.reference_docs;
create policy "Admins can manage reference docs" on public.reference_docs
for all using (public.current_user_has_role(array['admin']));
-- booking_config and holidays policies (added in later migration, same pattern)
drop policy if exists "Admins can manage booking config" on public.booking_config;
create policy "Admins can manage booking config" on public.booking_config
for all using (public.current_user_has_role(array['admin']));
drop policy if exists "Admins can manage holidays" on public.holidays;
create policy "Admins can manage holidays" on public.holidays
for all using (public.current_user_has_role(array['admin']));