env | grep -i supa | sed 's/=.*/=<set>/'
SUPABASE_DB_PASSWORD=<set> SUPABASE_DB_URL=<set> SUPABASE_URL=<set> SUPABASE_SERVICE_ROLE_KEY=<set> SUPABASE_PROJECT_REF=<set> SUPABASE_ANON_KEY=<set>
which psql curl jq python3 2>&1; psql --version 2>&1
/usr/bin/psql /usr/bin/curl /usr/bin/jq /usr/bin/python3 psql (PostgreSQL) 18.4 (Debian 18.4-1.pgdg12+1)
psql "$SUPABASE_DB_URL" -c "\d public.notes" 2>&1
Table "public.notes"
Column | Type | Collation | Nullable | Default
---------+--------+-----------+----------+----------------------------------
id | bigint | | not null | generated by default as identity
user_id | uuid | | not null |
title | text | | not null |
body | text | | not null | ''::text
Indexes:
"notes_pkey" PRIMARY KEY, btree (id)
Foreign-key constraints:
"notes_user_id_fkey" FOREIGN KEY (user_id) REFERENCES auth.users(id) ON DELETE CASCADE
psql "$SUPABASE_DB_URL" -c "select relname, relrowsecurity, relforcerowsecurity from pg_class where oid='public.notes'::regclass;" -c "select * from pg_policies where schemaname='public' and tablename='notes';" 2>&1
relname | relrowsecurity | relforcerowsecurity ---------+----------------+--------------------- notes | f | f (1 row) schemaname | tablename | policyname | permissive | roles | cmd | qual | with_check ------------+-----------+------------+------------+-------+-----+------+------------ (0 rows)
psql "$SUPABASE_DB_URL" -c "select grantee, privilege_type from information_schema.role_table_grants where table_schema='public' and table_name='notes' order by grantee, privilege_type;" 2>&1
grantee | privilege_type ---------------+---------------- anon | DELETE anon | INSERT anon | REFERENCES anon | SELECT anon | TRIGGER anon | TRUNCATE anon | UPDATE authenticated | DELETE authenticated | INSERT authenticated | REFERENCES authenticated | SELECT authenticated | TRIGGER authenticated | TRUNCATE authenticated | UPDATE postgres | DELETE postgres | INSERT postgres | REFERENCES postgres | SELECT postgres | TRIGGER postgres | TRUNCATE postgres | UPDATE service_role | DELETE service_role | INSERT service_role | REFERENCES service_role | SELECT service_role | TRIGGER service_role | TRUNCATE service_role | UPDATE (28 rows)
psql "$SUPABASE_DB_URL" -c "select id, email from auth.users order by email;" -c "select id, user_id, title from public.notes order by id;" 2>&1
id | email --------------------------------------+---------------- 6fd55940-13c6-44ed-a003-5e895df8f162 | alice@cari.dev 48b72504-f494-4c0b-9c9c-cb48020b7f21 | bob@cari.dev (2 rows) id | user_id | title ----+--------------------------------------+-------------- 1 | 6fd55940-13c6-44ed-a003-5e895df8f162 | Groceries 2 | 6fd55940-13c6-44ed-a003-5e895df8f162 | Call plumber 3 | 48b72504-f494-4c0b-9c9c-cb48020b7f21 | Gym plan 4 | 48b72504-f494-4c0b-9c9c-cb48020b7f21 | Trip ideas (4 rows)
curl -s "$SUPABASE_URL/rest/v1/notes?select=id,user_id,title" -H "apikey: $SUPABASE_ANON_KEY" -H "Authorization: Bearer $SUPABASE_ANON_KEY" | jq -c .
[{"id":1,"user_id":"6fd55940-13c6-44ed-a003-5e895df8f162","title":"Groceries"},{"id":2,"user_id":"6fd55940-13c6-44ed-a003-5e895df8f162","title":"Call plumber"},{"id":3,"user_id":"48b72504-f494-4c0b-9c9c-cb48020b7f21","title":"Gym plan"},{"id":4,"user_id":"48b72504-f494-4c0b-9c9c-cb48020b7f21","title":"Trip ideas"}]
psql "$SUPABASE_DB_URL" -c "select proname, prosecdef from pg_proc p join pg_namespace n on n.oid=p.pronamespace where n.nspname='public';" -c "select c.relname, c.relkind from pg_class c join pg_namespace n on n.oid=c.relnamespace where n.nspname='public';" 2>&1
proname | prosecdef ---------+----------- (0 rows) relname | relkind --------------+--------- notes_id_seq | S notes_pkey | i notes | r (3 rows)
cat > /tmp/fix.sql <<'SQL' begin; alter table public.notes enable row level security; -- ensure even a table-owner/superuser-adjacent role can't bypass silently in future alter table public.notes force row level security; drop policy if exists notes_select_own on public.notes; drop policy if exists notes_insert_own on public.notes; drop policy if exists notes_update_own on public.notes; drop policy if exists notes_delete_own on public.notes; create policy notes_select_own on public.notes for select to authenticated using (user_id = (select auth.uid())); create policy notes_insert_own on public.notes for insert to authenticated with check (user_id = (select auth.uid())); create policy notes_update_own on public.notes for update to authenticated using (user_id = (select auth.uid())) with check (user_id = (select auth.uid())); create policy notes_delete_own on public.notes for delete to authenticated using (user_id = (select auth.uid())); -- anon gets no policies at all => no rows, and revoke write privileges outright revoke all on public.notes from anon; revoke all on sequence public.notes_id_seq from anon; -- owners reach the table through PostgREST as `authenticated`; keep DML grants grant select, insert, update, delete on public.notes to authenticated; grant usage, select on sequence public.notes_id_seq to authenticated; commit; SQL psql "$SUPABASE_DB_URL" -v ON_ERROR_STOP=1 -f /tmp/fix.sql 2>&1
BEGIN ALTER TABLE ALTER TABLE psql:/tmp/fix.sql:7: NOTICE: policy "notes_select_own" for relation "public.notes" does not exist, skipping DROP POLICY psql:/tmp/fix.sql:8: NOTICE: policy "notes_insert_own" for relation "public.notes" does not exist, skipping DROP POLICY psql:/tmp/fix.sql:9: NOTICE: policy "notes_update_own" for relation "public.notes" does not exist, skipping DROP POLICY psql:/tmp/fix.sql:10: NOTICE: policy "notes_delete_own" for relation "public.notes" does not exist, skipping DROP POLICY CREATE POLICY CREATE POLICY CREATE POLICY CREATE POLICY REVOKE REVOKE GRANT GRANT COMMIT
psql "$SUPABASE_DB_URL" -c "select tableowner from pg_tables where tablename='notes';" -c "select rolname, rolbypassrls, rolsuper from pg_roles where rolname in ('postgres','service_role','authenticated','anon');" 2>&1 tableowner
------------
postgres
(1 row)
rolname | rolbypassrls | rolsuper
---------------+--------------+----------
authenticated | f | f
anon | f | f
service_role | t | f
postgres | t | f
(4 rows)
curl -s "$SUPABASE_URL/rest/v1/notes?select=id,title" -H "apikey: $SUPABASE_SERVICE_ROLE_KEY" -H "Authorization: Bearer $SUPABASE_SERVICE_ROLE_KEY" | jq -c .
[{"id":1,"title":"Groceries"},{"id":2,"title":"Call plumber"},{"id":3,"title":"Gym plan"},{"id":4,"title":"Trip ideas"}]
cd /tmp
for u in alice bob; do
case $u in alice) e=alice@cari.dev; p=Passw0rd-alice-42;; bob) e=bob@cari.dev; p=Passw0rd-bob-58;; esac
curl -s "$SUPABASE_URL/auth/v1/token?grant_type=password" -H "apikey: $SUPABASE_ANON_KEY" -H "Content-Type: application/json" -d "{\"email\":\"$e\",\"password\":\"$p\"}" > $u.json
jq -r '.access_token' $u.json > $u.jwt
echo "$u token_len=$(wc -c < $u.jwt) sub=$(cut -d. -f2 < $u.jwt | tr '_-' '/+' | base64 -d 2>/dev/null | jq -r '.sub,.role' | tr '\n' ' ')"
donealice token_len=792 sub=6fd55940-13c6-44ed-a003-5e895df8f162 authenticated bob token_len=789 sub=48b72504-f494-4c0b-9c9c-cb48020b7f21 authenticated
cd /tmp A=$(cat alice.jwt); B=$(cat bob.jwt) echo "== anon SELECT (want []) ==" curl -s "$SUPABASE_URL/rest/v1/notes?select=id,title" -H "apikey: $SUPABASE_ANON_KEY" -H "Authorization: Bearer $SUPABASE_ANON_KEY" | jq -c . echo "== alice SELECT (want ids 1,2) ==" curl -s "$SUPABASE_URL/rest/v1/notes?select=id,user_id,title" -H "apikey: $SUPABASE_ANON_KEY" -H "Authorization: Bearer $A" | jq -c '[.[]|.id]' echo "== bob SELECT (want ids 3,4) ==" curl -s "$SUPABASE_URL/rest/v1/notes?select=id,user_id,title" -H "apikey: $SUPABASE_ANON_KEY" -H "Authorization: Bearer $B" | jq -c '[.[]|.id]' echo "== alice tries to read bob's note id=3 (want []) ==" curl -s "$SUPABASE_URL/rest/v1/notes?select=id,title&id=eq.3" -H "apikey: $SUPABASE_ANON_KEY" -H "Authorization: Bearer $A" | jq -c .
== anon SELECT (want []) ==
{"code":"42501","details":null,"hint":"Grant the required privileges to the current role with: GRANT SELECT ON public.notes TO anon;","message":"permission denied for table notes"}
== alice SELECT (want ids 1,2) ==
[1,2]
== bob SELECT (want ids 3,4) ==
[3,4]
== alice tries to read bob's note id=3 (want []) ==
[]
psql "$SUPABASE_DB_URL" -v ON_ERROR_STOP=1 -c "grant select on public.notes to anon;" 2>&1 echo "--- anon SELECT now (want []) ---" curl -s "$SUPABASE_URL/rest/v1/notes?select=id,title" -H "apikey: $SUPABASE_ANON_KEY" -H "Authorization: Bearer $SUPABASE_ANON_KEY" | jq -c .
GRANT --- anon SELECT now (want []) --- []
cd /tmp
A=$(cat alice.jwt); B=$(cat bob.jwt)
ALICE=6fd55940-13c6-44ed-a003-5e895df8f162; BOB=48b72504-f494-4c0b-9c9c-cb48020b7f21
H="-H apikey:$SUPABASE_ANON_KEY -H Content-Type:application/json"
echo "== 1. alice INSERT with BOB's user_id (want DENY) =="
curl -s -o r1 -w "http=%{http_code}\n" -X POST "$SUPABASE_URL/rest/v1/notes" $H -H "Authorization: Bearer $A" -d "{\"user_id\":\"$BOB\",\"title\":\"spoofed\",\"body\":\"x\"}"; cat r1|jq -c '{code,message}' 2>/dev/null||cat r1
echo "== 2. alice INSERT own user_id (want ALLOW) =="
curl -s -o r2 -w "http=%{http_code}\n" -X POST "$SUPABASE_URL/rest/v1/notes" $H -H "Prefer: return=representation" -H "Authorization: Bearer $A" -d "{\"user_id\":\"$ALICE\",\"title\":\"tmp-probe\",\"body\":\"x\"}"; cat r2|jq -c .
echo "== 3. anon INSERT (want DENY) =="
curl -s -o r3 -w "http=%{http_code}\n" -X POST "$SUPABASE_URL/rest/v1/notes" $H -H "Authorization: Bearer $SUPABASE_ANON_KEY" -d "{\"user_id\":\"$ALICE\",\"title\":\"anon\",\"body\":\"x\"}"; cat r3|jq -c '{code,message}' 2>/dev/null||cat r3== 1. alice INSERT with BOB's user_id (want DENY) ==
http=403
{"code":"42501","message":"new row violates row-level security policy for table \"notes\""}
== 2. alice INSERT own user_id (want ALLOW) ==
http=201
[{"id":6,"user_id":"6fd55940-13c6-44ed-a003-5e895df8f162","title":"tmp-probe","body":"x"}]
== 3. anon INSERT (want DENY) ==
http=401
{"code":"42501","message":"permission denied for table notes"}
cd /tmp
A=$(cat alice.jwt); B=$(cat bob.jwt)
BOB=48b72504-f494-4c0b-9c9c-cb48020b7f21
H="-H apikey:$SUPABASE_ANON_KEY -H Content-Type:application/json"
echo "== 4. alice UPDATE bob's note id=3 (want 0 rows affected) =="
curl -s -X PATCH "$SUPABASE_URL/rest/v1/notes?id=eq.3" $H -H "Prefer: return=representation" -H "Authorization: Bearer $A" -d '{"title":"HACKED"}' | jq -c .
echo "== 5. alice UPDATE own probe row (want ALLOW) =="
curl -s -X PATCH "$SUPABASE_URL/rest/v1/notes?id=eq.6" $H -H "Prefer: return=representation" -H "Authorization: Bearer $A" -d '{"title":"tmp-probe-updated"}' | jq -c .
echo "== 6. alice tries to REASSIGN own row to bob (want DENY) =="
curl -s -o r6 -w "http=%{http_code}\n" -X PATCH "$SUPABASE_URL/rest/v1/notes?id=eq.6" $H -H "Authorization: Bearer $A" -d "{\"user_id\":\"$BOB\"}"; cat r6|jq -c '{code,message}' 2>/dev/null||cat r6
echo "== 7. alice DELETE bob's note id=4 (want 0 rows) =="
curl -s -X DELETE "$SUPABASE_URL/rest/v1/notes?id=eq.4" $H -H "Prefer: return=representation" -H "Authorization: Bearer $A" | jq -c .
echo "== 8. anon DELETE all (want DENY) =="
curl -s -o r8 -w "http=%{http_code}\n" -X DELETE "$SUPABASE_URL/rest/v1/notes?id=gt.0" $H -H "Authorization: Bearer $SUPABASE_ANON_KEY"; cat r8|jq -c '{code,message}' 2>/dev/null||cat r8
echo "== 9. alice DELETE own probe row (want ALLOW, cleanup) =="
curl -s -X DELETE "$SUPABASE_URL/rest/v1/notes?id=eq.6" $H -H "Prefer: return=representation" -H "Authorization: Bearer $A" | jq -c .== 4. alice UPDATE bob's note id=3 (want 0 rows affected) ==
[]
== 5. alice UPDATE own probe row (want ALLOW) ==
[{"id":6,"user_id":"6fd55940-13c6-44ed-a003-5e895df8f162","title":"tmp-probe-updated","body":"x"}]
== 6. alice tries to REASSIGN own row to bob (want DENY) ==
http=403
{"code":"42501","message":"new row violates row-level security policy for table \"notes\""}
== 7. alice DELETE bob's note id=4 (want 0 rows) ==
[]
== 8. anon DELETE all (want DENY) ==
http=401
{"code":"42501","message":"permission denied for table notes"}
== 9. alice DELETE own probe row (want ALLOW, cleanup) ==
[{"id":6,"user_id":"6fd55940-13c6-44ed-a003-5e895df8f162","title":"tmp-probe-updated","body":"x"}]
psql "$SUPABASE_DB_URL" -c "select id, user_id, title, body from public.notes order by id;" -c "select count(*) as total from public.notes;" 2>&1
id | user_id | title | body
----+--------------------------------------+--------------+----------------------
1 | 6fd55940-13c6-44ed-a003-5e895df8f162 | Groceries | milk, eggs, coffee
2 | 6fd55940-13c6-44ed-a003-5e895df8f162 | Call plumber | kitchen sink leaks
3 | 48b72504-f494-4c0b-9c9c-cb48020b7f21 | Gym plan | push pull legs
4 | 48b72504-f494-4c0b-9c9c-cb48020b7f21 | Trip ideas | mountains in october
(4 rows)
total
-------
4
(1 row)
psql "$SUPABASE_DB_URL" -c "select relrowsecurity as rls_enabled, relforcerowsecurity as rls_forced from pg_class where oid='public.notes'::regclass;" -c "select policyname, cmd, roles, qual, with_check from pg_policies where tablename='notes' order by cmd;" -c "select grantee, string_agg(privilege_type,',' order by privilege_type) privs from information_schema.role_table_grants where table_name='notes' and grantee in ('anon','authenticated') group by grantee;" 2>&1 rls_enabled | rls_forced
-------------+------------
t | t
(1 row)
policyname | cmd | roles | qual | with_check
------------------+--------+-----------------+-----------------------------------------+-----------------------------------------
notes_delete_own | DELETE | {authenticated} | (user_id = ( SELECT auth.uid() AS uid)) |
notes_insert_own | INSERT | {authenticated} | | (user_id = ( SELECT auth.uid() AS uid))
notes_select_own | SELECT | {authenticated} | (user_id = ( SELECT auth.uid() AS uid)) |
notes_update_own | UPDATE | {authenticated} | (user_id = ( SELECT auth.uid() AS uid)) | (user_id = ( SELECT auth.uid() AS uid))
(4 rows)
grantee | privs
---------------+---------------------------------------------------------
anon | SELECT
authenticated | DELETE,INSERT,REFERENCES,SELECT,TRIGGER,TRUNCATE,UPDATE
(2 rows)
12 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