env | grep -i supabase | sed 's/\(KEY=.\{20\}\).*/\1.../' ; which psql curl jqSUPABASE_DB_PASSWORD=<redacted:SUPABASE_DB_PASSWORD> SUPABASE_DB_URL=<redacted:SUPABASE_DB_URL> SUPABASE_URL=https://<ref>.supabase.co SUPABASE_SERVICE_ROLE_KEY=eyJhbGciOiJIUzI1NiIs... SUPABASE_PROJECT_REF=<ref> SUPABASE_ANON_KEY=eyJhbGciOiJIUzI1NiIs... /usr/bin/psql /usr/bin/curl /usr/bin/jq
psql --version 2>/dev/null; curl --version | head -1
psql (PostgreSQL) 18.4 (Debian 18.4-1.pgdg12+1) curl 7.88.1 (x86_64-pc-linux-gnu) libcurl/7.88.1 OpenSSL/3.0.20 zlib/1.2.13 brotli/1.0.9 zstd/1.5.4 libidn2/2.3.3 libpsl/0.21.2 (+libidn2/2.3.3) libssh2/1.10.0 nghttp2/1.52.0 librtmp/2.3 OpenLDAP/2.5.13
psql "$SUPABASE_DB_URL" -c "\d+ public.orgs" -c "\d+ public.org_members" -c "\d+ public.tickets" 2>&1 | head -60
Table "public.orgs"
Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description
--------+------+-----------+----------+-------------------+----------+-------------+--------------+-------------
id | uuid | | not null | gen_random_uuid() | plain | | |
name | text | | not null | | extended | | |
Indexes:
"orgs_pkey" PRIMARY KEY, btree (id)
"orgs_name_key" UNIQUE CONSTRAINT, btree (name)
Referenced by:
TABLE "org_members" CONSTRAINT "org_members_org_id_fkey" FOREIGN KEY (org_id) REFERENCES orgs(id) ON DELETE CASCADE
TABLE "tickets" CONSTRAINT "tickets_org_id_fkey" FOREIGN KEY (org_id) REFERENCES orgs(id) ON DELETE CASCADE
Access method: heap
Table "public.org_members"
Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description
---------+------+-----------+----------+---------+----------+-------------+--------------+-------------
org_id | uuid | | not null | | plain | | |
user_id | uuid | | not null | | plain | | |
role | text | | not null | | extended | | |
Indexes:
"org_members_pkey" PRIMARY KEY, btree (org_id, user_id)
Check constraints:
"org_members_role_check" CHECK (role = ANY (ARRAY['admin'::text, 'member'::text]))
Foreign-key constraints:
"org_members_org_id_fkey" FOREIGN KEY (org_id) REFERENCES orgs(id) ON DELETE CASCADE
"org_members_user_id_fkey" FOREIGN KEY (user_id) REFERENCES auth.users(id) ON DELETE CASCADE
Access method: heap
Table "public.tickets"
Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description
--------+--------+-----------+----------+----------------------------------+----------+-------------+--------------+-------------
id | bigint | | not null | generated by default as identity | plain | | |
org_id | uuid | | not null | | plain | | |
title | text | | not null | | extended | | |
status | text | | not null | 'open'::text | extended | | |
Indexes:
"tickets_pkey" PRIMARY KEY, btree (id)
Foreign-key constraints:
"tickets_org_id_fkey" FOREIGN KEY (org_id) REFERENCES orgs(id) ON DELETE CASCADE
Access method: heap
psql "$SUPABASE_DB_URL" -c "select relname, relrowsecurity, relforcerowsecurity from pg_class where relnamespace='public'::regnamespace and relkind='r';" -c "select schemaname,tablename,policyname,cmd,roles,qual,with_check from pg_policies where schemaname='public';"
relname | relrowsecurity | relforcerowsecurity -------------+----------------+--------------------- org_members | f | f orgs | f | f tickets | f | f (3 rows) schemaname | tablename | policyname | cmd | roles | qual | with_check ------------+-----------+------------+-----+-------+------+------------ (0 rows)
psql "$SUPABASE_DB_URL" -c "select o.name, count(t.id) from orgs o left join tickets t on t.org_id=o.id group by 1 order by 1;" -c "select o.name, u.email, m.role from org_members m join orgs o on o.id=m.org_id join auth.users u on u.id=m.user_id order by 1,2;"
name | count --------+------- Acme | 3 Globex | 2 (2 rows) name | email | role --------+-----------------------+-------- Acme | uma-admin@cari.dev | admin Acme | vic-member@cari.dev | member Globex | wen-outsider@cari.dev | member (3 rows)
psql "$SUPABASE_DB_URL" -c "select table_name, grantee, string_agg(privilege_type,',' order by privilege_type) from information_schema.role_table_grants where table_schema='public' and grantee in ('anon','authenticated','service_role') group by 1,2 order by 1,2;"table_name | grantee | string_agg -------------+---------------+--------------------------------------------------------- org_members | anon | DELETE,INSERT,REFERENCES,SELECT,TRIGGER,TRUNCATE,UPDATE org_members | authenticated | DELETE,INSERT,REFERENCES,SELECT,TRIGGER,TRUNCATE,UPDATE org_members | service_role | DELETE,INSERT,REFERENCES,SELECT,TRIGGER,TRUNCATE,UPDATE orgs | anon | DELETE,INSERT,REFERENCES,SELECT,TRIGGER,TRUNCATE,UPDATE orgs | authenticated | DELETE,INSERT,REFERENCES,SELECT,TRIGGER,TRUNCATE,UPDATE orgs | service_role | DELETE,INSERT,REFERENCES,SELECT,TRIGGER,TRUNCATE,UPDATE tickets | anon | DELETE,INSERT,REFERENCES,SELECT,TRIGGER,TRUNCATE,UPDATE tickets | authenticated | DELETE,INSERT,REFERENCES,SELECT,TRIGGER,TRUNCATE,UPDATE tickets | service_role | DELETE,INSERT,REFERENCES,SELECT,TRIGGER,TRUNCATE,UPDATE (9 rows)
cd /tmp && echo "anon tickets:" && curl -s "$SUPABASE_URL/rest/v1/tickets?select=id,title" -H "apikey: $SUPABASE_ANON_KEY" | jq -c . && echo "anon org_members:" && curl -s "$SUPABASE_URL/rest/v1/org_members?select=*" -H "apikey: $SUPABASE_ANON_KEY" | jq -c .
anon tickets:
[{"id":1,"title":"Fix login"},{"id":2,"title":"Update billing"},{"id":3,"title":"Rotate keys"},{"id":4,"title":"Migrate DNS"},{"id":5,"title":"Renew cert"}]
anon org_members:
[{"org_id":"9bbd6e31-aacd-4b53-b5a7-490062e43613","user_id":"f9462aad-91fb-480f-86b7-08a658db3423","role":"admin"},{"org_id":"9bbd6e31-aacd-4b53-b5a7-490062e43613","user_id":"16fe6a54-8b26-459c-be72-0750f0e7a341","role":"member"},{"org_id":"2d1edcc3-31c2-4340-ad5f-8e6af5e62679","user_id":"0961ff37-e685-4f31-bbfd-d127c462b66d","role":"member"}]
cat > /tmp/login.sh <<'EOF'
#!/bin/bash
# usage: login.sh email password -> prints access_token
curl -s "$SUPABASE_URL/auth/v1/token?grant_type=password" \
-H "apikey: $SUPABASE_ANON_KEY" -H "Content-Type: application/json" \
-d "{\"email\":\"$1\",\"password\":\"$2\"}" | jq -r '.access_token // "LOGIN_FAILED"'
EOF
chmod +x /tmp/login.sh
UMA=$(/tmp/login.sh uma-admin@cari.dev Passw0rd-uma-11)
VIC=$(/tmp/login.sh vic-member@cari.dev Passw0rd-vic-22)
WEN=$(/tmp/login.sh wen-outsider@cari.dev Passw0rd-wen-33)
echo "$UMA" > /tmp/uma.jwt; echo "$VIC" > /tmp/vic.jwt; echo "$WEN" > /tmp/wen.jwt
for n in uma vic wen; do printf "%s: %s\n" $n "$(cut -c1-20 /tmp/$n.jwt)..."; doneuma: eyJhbGciOiJFUzI1NiIs... vic: eyJhbGciOiJFUzI1NiIs... wen: eyJhbGciOiJFUzI1NiIs...
cat > /tmp/rls.sql <<'EOF'
begin;
-- Private schema for helper functions; not exposed via PostgREST.
create schema if not exists private;
revoke all on schema private from anon, authenticated, public;
grant usage on schema private to authenticated, anon;
-- SECURITY DEFINER helpers bypass RLS on org_members, avoiding policy recursion.
create or replace function private.is_org_member(p_org uuid)
returns boolean
language sql
stable
security definer
set search_path = ''
as $$
select exists (
select 1 from public.org_members m
where m.org_id = p_org
and m.user_id = (select auth.uid())
);
$$;
create or replace function private.is_org_admin(p_org uuid)
returns boolean
language sql
stable
security definer
set search_path = ''
as $$
select exists (
select 1 from public.org_members m
where m.org_id = p_org
and m.user_id = (select auth.uid())
and m.role = 'admin'
);
$$;
revoke all on function private.is_org_member(uuid) from public;
revoke all on function private.is_org_admin(uuid) from public;
grant execute on function private.is_org_member(uuid) to authenticated;
grant execute on function private.is_org_admin(uuid) to authenticated;
-- Enable RLS (default-deny once enabled).
alter table public.tickets enable row level security;
alter table public.org_members enable row level security;
alter table public.orgs enable row level security;
-- Drop any pre-existing policies so this script is idempotent.
do $$
declare p record;
begin
for p in select policyname, tablename from pg_policies
where schemaname='public' and tablename in ('tickets','org_members','orgs')
loop
execute format('drop policy %I on public.%I', p.policyname, p.tablename);
end loop;
end $$;
-- ---------------- tickets ----------------
-- Read: any member (admin or member) of the ticket's org.
create policy tickets_select_member on public.tickets
for select to authenticated
using (private.is_org_member(org_id));
-- Write: admins only, and only within their own org.
create policy tickets_insert_admin on public.tickets
for insert to authenticated
with check (private.is_org_admin(org_id));
create policy tickets_update_admin on public.tickets
for update to authenticated
using (private.is_org_admin(org_id))
with check (private.is_org_admin(org_id));
create policy tickets_delete_admin on public.tickets
for delete to authenticated
using (private.is_org_admin(org_id));
-- ---------------- org_members ----------------
-- Visible only to members of that same org. No write policies => writes denied.
create policy org_members_select_same_org on public.org_members
for select to authenticated
using (private.is_org_member(org_id));
-- ---------------- orgs ----------------
-- Stays readable (requirement); writes denied (no policy).
create policy orgs_select_all on public.orgs
for select to anon, authenticated
using (true);
-- Remove blanket write grants from API roles; RLS + grants both restrict.
revoke insert, update, delete, truncate, references on public.orgs from anon, authenticated;
revoke insert, update, delete, truncate, references on public.org_members from anon, authenticated;
revoke truncate, references on public.tickets from anon, authenticated;
-- anon needs no access to tenant tables at all
revoke all on public.tickets from anon;
revoke all on public.org_members from anon;
commit;
EOF
psql "$SUPABASE_DB_URL" -v ON_ERROR_STOP=1 -f /tmp/rls.sqlBEGIN CREATE SCHEMA REVOKE GRANT
psql:/tmp/rls.sql:4: NOTICE: schema "private" already exists, skipping psql:/tmp/rls.sql:21: ERROR: cannot change name of input parameter "target_org_id" HINT: Use DROP FUNCTION private.is_org_member(uuid) first.
psql "$SUPABASE_DB_URL" -c "select n.nspname, p.proname, pg_get_function_identity_arguments(p.oid) args, p.prosecdef, pg_get_functiondef(p.oid) def from pg_proc p join pg_namespace n on n.oid=p.pronamespace where n.nspname='private';"
nspname | proname | args | prosecdef | def
---------+------------------------+--------------------+-----------+-------------------------------------------------------------------------------------------------------------------
private | deliver_signup_webhook | | t | CREATE OR REPLACE FUNCTION private.deliver_signup_webhook() +
| | | | RETURNS trigger +
| | | | LANGUAGE plpgsql +
| | | | SECURITY DEFINER +
| | | | SET search_path TO '' +
| | | | AS $function$ +
| | | | DECLARE +
| | | | v_url text; +
| | | | v_jwt text; +
| | | | v_request_id bigint; +
| | | | BEGIN +
| | | | SELECT decrypted_secret INTO STRICT v_url +
| | | | FROM vault.decrypted_secrets +
| | | | WHERE name = 'signups_webhook_url' +
| | | | ORDER BY created_at DESC LIMIT 1; +
| | | | +
| | | | SELECT decrypted_secret INTO STRICT v_jwt +
| | | | FROM vault.decrypted_secrets +
| | | | WHERE name = 'signups_webhook_jwt' +
| | | | ORDER BY created_at DESC LIMIT 1; psql "$SUPABASE_DB_URL" -At -c "select n.nspname||'.'||p.proname||'('||pg_get_function_identity_arguments(p.oid)||') secdef='||p.prosecdef from pg_proc p join pg_namespace n on n.oid=p.pronamespace where n.nspname in ('private','public');"private.deliver_signup_webhook() secdef=true private.is_org_member(target_org_id uuid) secdef=true private.is_org_admin(target_org_id uuid) secdef=true
psql "$SUPABASE_DB_URL" -At -c "select pg_get_functiondef(p.oid) from pg_proc p join pg_namespace n on n.oid=p.pronamespace where n.nspname='private' and p.proname in ('is_org_member','is_org_admin');"CREATE OR REPLACE FUNCTION private.is_org_admin(target_org_id uuid)
RETURNS boolean
LANGUAGE sql
STABLE SECURITY DEFINER
SET search_path TO ''
AS $function$
SELECT EXISTS (
SELECT 1
FROM public.org_members AS om
WHERE om.org_id = target_org_id
AND om.user_id = auth.uid()
AND om.role = 'admin'
);
$function$
CREATE OR REPLACE FUNCTION private.is_org_member(target_org_id uuid)
RETURNS boolean
LANGUAGE sql
STABLE SECURITY DEFINER
SET search_path TO ''
AS $function$
SELECT EXISTS (
SELECT 1
FROM public.org_members AS om
WHERE om.org_id = target_org_id
AND om.user_id = auth.uid()
);
$function$
cat > /tmp/rls.sql <<'EOF'
begin;
-- Reuse the existing, already-correct SECURITY DEFINER helpers in schema `private`.
-- They bypass RLS on org_members, which is what prevents policy recursion.
-- Only ensure privileges are as intended.
revoke all on function private.is_org_member(uuid) from public, anon;
revoke all on function private.is_org_admin(uuid) from public, anon;
grant execute on function private.is_org_member(uuid) to authenticated;
grant execute on function private.is_org_admin(uuid) to authenticated;
grant usage on schema private to authenticated;
-- Enable RLS (default-deny once enabled).
alter table public.tickets enable row level security;
alter table public.org_members enable row level security;
alter table public.orgs enable row level security;
-- Idempotent: clear any pre-existing policies on these tables.
do $$
declare p record;
begin
for p in select policyname, tablename from pg_policies
where schemaname='public' and tablename in ('tickets','org_members','orgs')
loop
execute format('drop policy %I on public.%I', p.policyname, p.tablename);
end loop;
end $$;
-- ---------------- tickets ----------------
-- READ: any member (admin or member) of the ticket's org.
create policy tickets_select_member on public.tickets
for select to authenticated
using (private.is_org_member(org_id));
-- WRITE: admins only, confined to their own org.
create policy tickets_insert_admin on public.tickets
for insert to authenticated
with check (private.is_org_admin(org_id));
create policy tickets_update_admin on public.tickets
for update to authenticated
using (private.is_org_admin(org_id))
with check (private.is_org_admin(org_id));
create policy tickets_delete_admin on public.tickets
for delete to authenticated
using (private.is_org_admin(org_id));
-- ---------------- org_members ----------------
-- Visible only to members of that same org. No write policies => writes denied.
create policy org_members_select_same_org on public.org_members
for select to authenticated
using (private.is_org_member(org_id));
-- ---------------- orgs ----------------
-- Remains readable per requirements; writes denied (no write policy).
create policy orgs_select_all on public.orgs
for select to anon, authenticated
using (true);
-- Defense in depth: strip blanket write grants from the API roles.
revoke insert, update, delete, truncate, references on public.orgs from anon, authenticated;
revoke insert, update, delete, truncate, references on public.org_members from anon, authenticated;
revoke truncate, references on public.tickets from anon, authenticated;
-- anon must have no access to tenant tables at all.
revoke all on public.tickets from anon;
revoke all on public.org_members from anon;
commit;
EOF
psql "$SUPABASE_DB_URL" -v ON_ERROR_STOP=1 -f /tmp/rls.sqlBEGIN REVOKE REVOKE GRANT GRANT GRANT ALTER TABLE ALTER TABLE ALTER TABLE DO CREATE POLICY CREATE POLICY CREATE POLICY CREATE POLICY CREATE POLICY CREATE POLICY REVOKE REVOKE REVOKE REVOKE REVOKE COMMIT
psql "$SUPABASE_DB_URL" -c "select relname, relrowsecurity from pg_class where relnamespace='public'::regnamespace and relkind='r';" -c "select tablename,policyname,cmd,roles::text,qual,with_check from pg_policies where schemaname='public' order by tablename,cmd;"
relname | relrowsecurity
-------------+----------------
tickets | t
orgs | t
org_members | t
(3 rows)
tablename | policyname | cmd | roles | qual | with_check
-------------+-----------------------------+--------+----------------------+-------------------------------+------------------------------
org_members | org_members_select_same_org | SELECT | {authenticated} | private.is_org_member(org_id) |
orgs | orgs_select_all | SELECT | {anon,authenticated} | true |
tickets | tickets_delete_admin | DELETE | {authenticated} | private.is_org_admin(org_id) |
tickets | tickets_insert_admin | INSERT | {authenticated} | | private.is_org_admin(org_id)
tickets | tickets_select_member | SELECT | {authenticated} | private.is_org_member(org_id) |
tickets | tickets_update_admin | UPDATE | {authenticated} | private.is_org_admin(org_id) | private.is_org_admin(org_id)
(6 rows)
psql "$SUPABASE_DB_URL" -c "notify pgrst, 'reload schema';" && sleep 3 && echo reloaded
NOTIFY reloaded
cd /tmp
UMA=$(cat uma.jwt); VIC=$(cat vic.jwt); WEN=$(cat wen.jwt)
ACME=$(psql "$SUPABASE_DB_URL" -At -c "select id from orgs where name='Acme'")
GLOBEX=$(psql "$SUPABASE_DB_URL" -At -c "select id from orgs where name='Globex'")
echo "ACME=$ACME GLOBEX=$GLOBEX" > ids.env
q(){ curl -s "$SUPABASE_URL/rest/v1/$1" -H "apikey: $SUPABASE_ANON_KEY" ${2:+-H "Authorization: Bearer $2"}; }
echo "--- READ tickets ---"
echo "anon : $(q 'tickets?select=id,title' | jq -c .)"
echo "uma(admin): $(q 'tickets?select=id,title,org_id' "$UMA" | jq -c '[.[].title]')"
echo "vic(memb) : $(q 'tickets?select=id,title,org_id' "$VIC" | jq -c '[.[].title]')"
echo "wen(globex): $(q 'tickets?select=id,title,org_id' "$WEN" | jq -c '[.[].title]')"
echo "--- READ org_members ---"
echo "anon : $(q 'org_members?select=*' | jq -c .)"
echo "uma : $(q 'org_members?select=org_id,role' "$UMA" | jq -c .)"
echo "vic : $(q 'org_members?select=org_id,role' "$VIC" | jq -c .)"
echo "wen : $(q 'org_members?select=org_id,role' "$WEN" | jq -c .)"
echo "--- READ orgs ---"
echo "anon : $(q 'orgs?select=name' | jq -c .)"
echo "vic : $(q 'orgs?select=name' "$VIC" | jq -c .)"--- READ tickets ---
anon : {"code":"42501","details":null,"hint":"Grant the required privileges to the current role with: GRANT SELECT ON public.tickets TO anon;","message":"permission denied for table tickets"}
uma(admin): ["Fix login","Update billing","Rotate keys"]
vic(memb) : ["Fix login","Update billing","Rotate keys"]
wen(globex): ["Migrate DNS","Renew cert"]
--- READ org_members ---
anon : {"code":"42501","details":null,"hint":"Grant the required privileges to the current role with: GRANT SELECT ON public.org_members TO anon;","message":"permission denied for table org_members"}
uma : [{"org_id":"9bbd6e31-aacd-4b53-b5a7-490062e43613","role":"admin"},{"org_id":"9bbd6e31-aacd-4b53-b5a7-490062e43613","role":"member"}]
vic : [{"org_id":"9bbd6e31-aacd-4b53-b5a7-490062e43613","role":"admin"},{"org_id":"9bbd6e31-aacd-4b53-b5a7-490062e43613","role":"member"}]
wen : [{"org_id":"2d1edcc3-31c2-4340-ad5f-8e6af5e62679","role":"member"}]
--- READ orgs ---
anon : [{"name":"Acme"},{"name":"Globex"}]
vic : [{"name":"Acme"},{"name":"Globex"}]
11 earlier narration turn(s) are in the raw transcript.
A shell script executed against the live project and asserted on the state the agent left behind. No model judged another model.
Raw transcript · Task definition and verifier · Every attempt