echo "SUPABASE_URL=$SUPABASE_URL" echo "SUPABASE_PROJECT_REF=$SUPABASE_PROJECT_REF" echo "SUPABASE_ANON_KEY=$SUPABASE_ANON_KEY" echo "SUPABASE_DB_URL=$SUPABASE_DB_URL" echo "SUPABASE_DB_PASSWORD=$SUPABASE_DB_PASSWORD" echo "SERVICE_ROLE_KEY length: $(echo -n $SUPABASE_SERVICE_ROLE_KEY | wc -c)"
SUPABASE_URL=https://<ref>.supabase.co SUPABASE_PROJECT_REF=<ref> SUPABASE_ANON_KEY=<redacted:SUPABASE_ANON_KEY> SUPABASE_DB_URL=<redacted:SUPABASE_DB_URL> SUPABASE_DB_PASSWORD=<redacted:SUPABASE_DB_PASSWORD> SERVICE_ROLE_KEY length: 219
# Check current table structure PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "\d public.notes"
Table "public.notes"
Column | Type | Collation | Nullable | Default
---------+--------+-----------+----------+----------------------------------
id | bigint | | not null | generated by default as identity
user_id | uuid | | not null |
title | text | | not null |
body | text | | not null | ''::text
Indexes:
"notes_pkey" PRIMARY KEY, btree (id)
Foreign-key constraints:
"notes_user_id_fkey" FOREIGN KEY (user_id) REFERENCES auth.users(id) ON DELETE CASCADE
# Check existing RLS policies PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "SELECT policyname, cmd, permissive, roles, qual, with_check FROM pg_policies WHERE schemaname='public' AND tablename='notes';"
policyname | cmd | permissive | roles | qual | with_check ------------+-----+------------+-------+------+------------ (0 rows)
# Check if RLS is enabled on the table PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "SELECT relname, relrowsecurity, relforcerowsecurity FROM pg_class WHERE relname='notes';"
relname | relrowsecurity | relforcerowsecurity ---------+----------------+--------------------- notes | f | f (1 row)
# Check existing data PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "SELECT id, user_id, title, body FROM public.notes ORDER BY id;"
id | user_id | title | body ----+--------------------------------------+--------------+---------------------- 1 | 6391167a-bcc2-44ac-be71-e67f117de97f | Groceries | milk, eggs, coffee 2 | 6391167a-bcc2-44ac-be71-e67f117de97f | Call plumber | kitchen sink leaks 3 | b01d8c32-8df4-4adf-8270-ad16d17179ca | Gym plan | push pull legs 4 | b01d8c32-8df4-4adf-8270-ad16d17179ca | Trip ideas | mountains in october (4 rows)
# Check users PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "SELECT id, email FROM auth.users ORDER BY email;"
id | email --------------------------------------+---------------- 6391167a-bcc2-44ac-be71-e67f117de97f | alice@cari.dev b01d8c32-8df4-4adf-8270-ad16d17179ca | bob@cari.dev (2 rows)
# Verify anon key currently sees all rows (broken state) curl -s "$SUPABASE_URL/rest/v1/notes?select=id,title,user_id" \ -H "apikey: $SUPABASE_ANON_KEY" \ -H "Authorization: Bearer $SUPABASE_ANON_KEY" | python3 -m json.tool
[
{
"id": 1,
"title": "Groceries",
"user_id": "6391167a-bcc2-44ac-be71-e67f117de97f"
},
{
"id": 2,
"title": "Call plumber",
"user_id": "6391167a-bcc2-44ac-be71-e67f117de97f"
},
{
"id": 3,
"title": "Gym plan",
"user_id": "b01d8c32-8df4-4adf-8270-ad16d17179ca"
},
{
"id": 4,
"title": "Trip ideas",
"user_id": "b01d8c32-8df4-4adf-8270-ad16d17179ca"
}
]
# Login as Alice
ALICE_TOKEN=$(curl -s "$SUPABASE_URL/auth/v1/token?grant_type=password" \
-H "apikey: $SUPABASE_ANON_KEY" \
-H "Content-Type: application/json" \
-d '{"email":"alice@cari.dev","password":"Passw0rd-alice-42"}' | python3 -c "import sys,json; print(json.load(sys.stdin)['access_token'])")
echo "Alice token length: $(echo -n "$ALICE_TOKEN" | wc -c)"
echo "$ALICE_TOKEN" > /tmp/alice_token.txt
# Login as Bob
BOB_TOKEN=$(curl -s "$SUPABASE_URL/auth/v1/token?grant_type=password" \
-H "apikey: $SUPABASE_ANON_KEY" \
-H "Content-Type: application/json" \
-d '{"email":"bob@cari.dev","password":"Passw0rd-bob-58"}' | python3 -c "import sys,json; print(json.load(sys.stdin)['access_token'])")
echo "Bob token length: $(echo -n "$BOB_TOKEN" | wc -c)"
echo "$BOB_TOKEN" > /tmp/bob_token.txtAlice token length: 791 Bob token length: 788
# Enable RLS on the notes table PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c " ALTER TABLE public.notes ENABLE ROW LEVEL SECURITY; "
ALTER TABLE
# Create RLS policies for owner-only access PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" <<'SQL' -- SELECT: authenticated users can only read their own rows CREATE POLICY "Users can read own notes" ON public.notes FOR SELECT TO authenticated USING (user_id = auth.uid()); -- INSERT: authenticated users can only insert rows with their own user_id CREATE POLICY "Users can insert own notes" ON public.notes FOR INSERT TO authenticated WITH CHECK (user_id = auth.uid()); -- UPDATE: authenticated users can only update their own rows CREATE POLICY "Users can update own notes" ON public.notes FOR UPDATE TO authenticated USING (user_id = auth.uid()) WITH CHECK (user_id = auth.uid()); -- DELETE: authenticated users can only delete their own rows CREATE POLICY "Users can delete own notes" ON public.notes FOR DELETE TO authenticated USING (user_id = auth.uid()); SQL
CREATE POLICY CREATE POLICY CREATE POLICY CREATE POLICY
# Verify policies PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "SELECT policyname, cmd, roles, qual, with_check FROM pg_policies WHERE schemaname='public' AND tablename='notes';"
policyname | cmd | roles | qual | with_check
----------------------------+--------+-----------------+------------------------+------------------------
Users can read own notes | SELECT | {authenticated} | (user_id = auth.uid()) |
Users can insert own notes | INSERT | {authenticated} | | (user_id = auth.uid())
Users can update own notes | UPDATE | {authenticated} | (user_id = auth.uid()) | (user_id = auth.uid())
Users can delete own notes | DELETE | {authenticated} | (user_id = auth.uid()) |
(4 rows)
# Verify RLS is enabled and forced PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "SELECT relname, relrowsecurity, relforcerowsecurity FROM pg_class WHERE relname='notes';"
relname | relrowsecurity | relforcerowsecurity ---------+----------------+--------------------- notes | t | f (1 row)
ALICE_TOKEN=$(cat /tmp/alice_token.txt) BOB_TOKEN=$(cat /tmp/bob_token.txt) echo "=== TEST 1: Anon (no auth) must see NO rows ===" curl -s "$SUPABASE_URL/rest/v1/notes?select=id,title" \ -H "apikey: $SUPABASE_ANON_KEY" \ -H "Authorization: Bearer $SUPABASE_ANON_KEY" echo "" echo "---" echo "=== TEST 2: Alice reads - should see only her 2 notes ===" curl -s "$SUPABASE_URL/rest/v1/notes?select=id,title,user_id&order=id" \ -H "apikey: $SUPABASE_ANON_KEY" \ -H "Authorization: Bearer $ALICE_TOKEN" echo "" echo "---" echo "=== TEST 3: Bob reads - should see only his 2 notes ===" curl -s "$SUPABASE_URL/rest/v1/notes?select=id,title,user_id&order=id" \ -H "apikey: $SUPABASE_ANON_KEY" \ -H "Authorization: Bearer $BOB_TOKEN" echo "" echo "---"
=== TEST 1: Anon (no auth) must see NO rows ===
[]
---
=== TEST 2: Alice reads - should see only her 2 notes ===
[{"id":1,"title":"Groceries","user_id":"6391167a-bcc2-44ac-be71-e67f117de97f"},
{"id":2,"title":"Call plumber","user_id":"6391167a-bcc2-44ac-be71-e67f117de97f"}]
---
=== TEST 3: Bob reads - should see only his 2 notes ===
[{"id":3,"title":"Gym plan","user_id":"b01d8c32-8df4-4adf-8270-ad16d17179ca"},
{"id":4,"title":"Trip ideas","user_id":"b01d8c32-8df4-4adf-8270-ad16d17179ca"}]
---
ALICE_TOKEN=$(cat /tmp/alice_token.txt)
BOB_TOKEN=$(cat /tmp/bob_token.txt)
echo "=== TEST 4: Alice inserts a note with HER user_id - should SUCCEED ==="
RESULT=$(curl -s -w "\n%{http_code}" "$SUPABASE_URL/rest/v1/notes" \
-H "apikey: $SUPABASE_ANON_KEY" \
-H "Authorization: Bearer $ALICE_TOKEN" \
-H "Content-Type: application/json" \
-H "Prefer: return=representation" \
-d '{"title":"Test note from Alice","body":"Should work","user_id":"6391167a-bcc2-44ac-be71-e67f117de97f"}')
HTTP_CODE=$(echo "$RESULT" | tail -1)
BODY=$(echo "$RESULT" | sed '$d')
echo "HTTP $HTTP_CODE: $BODY"
echo "---"
echo "=== TEST 5: Alice inserts a note with BOB's user_id - should FAIL ==="
RESULT=$(curl -s -w "\n%{http_code}" "$SUPABASE_URL/rest/v1/notes" \
-H "apikey: $SUPABASE_ANON_KEY" \
-H "Authorization: Bearer $ALICE_TOKEN" \
-H "Content-Type: application/json" \
-H "Prefer: return=representation" \
-d '{"title":"Sneaky note","body":"Trying to impersonate Bob","user_id":"b01d8c32-8df4-4adf-8270-ad16d17179ca"}')
HTTP_CODE=$(echo "$RESULT" | tail -1)
BODY=$(echo "$RESULT" | sed '$d')
echo "HTTP $HTTP_CODE: $BODY"
echo "---"
echo "=== TEST 6: Bob inserts a note with his own user_id - should SUCCEED ==="
RESULT=$(curl -s -w "\n%{http_code}" "$SUPABASE_URL/rest/v1/notes" \
-H "apikey: $SUPABASE_ANON_KEY" \
-H "Authorization: Bearer $BOB_TOKEN" \
-H "Content-Type: application/json" \
-H "Prefer: return=representation" \
-d '{"title":"Test note from Bob","body":"Should work","user_id":"b01d8c32-8df4-4adf-8270-ad16d17179ca"}')
HTTP_CODE=$(echo "$RESULT" | tail -1)
BODY=$(echo "$RESULT" | sed '$d')
echo "HTTP $HTTP_CODE: $BODY"
echo "---"=== TEST 4: Alice inserts a note with HER user_id - should SUCCEED ===
HTTP 201: [{"id":5,"user_id":"6391167a-bcc2-44ac-be71-e67f117de97f","title":"Test note from Alice","body":"Should work"}]
---
=== TEST 5: Alice inserts a note with BOB's user_id - should FAIL ===
HTTP 403: {"code":"42501","details":null,"hint":null,"message":"new row violates row-level security policy for table \"notes\""}
---
=== TEST 6: Bob inserts a note with his own user_id - should SUCCEED ===
HTTP 201: [{"id":7,"user_id":"b01d8c32-8df4-4adf-8270-ad16d17179ca","title":"Test note from Bob","body":"Should work"}]
---
ALICE_TOKEN=$(cat /tmp/alice_token.txt)
BOB_TOKEN=$(cat /tmp/bob_token.txt)
echo "=== TEST 7: Alice updates her own note (id=1) - should SUCCEED ==="
RESULT=$(curl -s -w "\n%{http_code}" -X PATCH "$SUPABASE_URL/rest/v1/notes?id=eq.1" \
-H "apikey: $SUPABASE_ANON_KEY" \
-H "Authorization: Bearer $ALICE_TOKEN" \
-H "Content-Type: application/json" \
-H "Prefer: return=representation" \
-d '{"title":"Groceries updated"}')
HTTP_CODE=$(echo "$RESULT" | tail -1)
BODY=$(echo "$RESULT" | sed '$d')
echo "HTTP $HTTP_CODE: $BODY"
echo "---"
echo "=== TEST 8: Alice tries to update Bob's note (id=3) - should FAIL ==="
RESULT=$(curl -s -w "\n%{http_code}" -X PATCH "$SUPABASE_URL/rest/v1/notes?id=eq.3" \
-H "apikey: $SUPABASE_ANON_KEY" \
-H "Authorization: Bearer $ALICE_TOKEN" \
-H "Content-Type: application/json" \
-H "Prefer: return=representation" \
-d '{"title":"Hacked by Alice"}')
HTTP_CODE=$(echo "$RESULT" | tail -1)
BODY=$(echo "$RESULT" | sed '$d')
echo "HTTP $HTTP_CODE: $BODY"
echo "---"
echo "=== TEST 9: Bob deletes his own note (id=3) - should SUCCEED ==="
RESULT=$(curl -s -w "\n%{http_code}" -X DELETE "$SUPABASE_URL/rest/v1/notes?id=eq.3" \
-H "apikey: $SUPABASE_ANON_KEY" \
-H "Authorization: Bearer $BOB_TOKEN" \
-H "Prefer: return=representation")
HTTP_CODE=$(echo "$RESULT" | tail -1)
BODY=$(echo "$RESULT" | sed '$d')
echo "HTTP $HTTP_CODE: $BODY"
echo "---"
echo "=== TEST 10: Alice tries to delete Bob's remaining note (id=4) - should FAIL ==="
RESULT=$(curl -s -w "\n%{http_code}" -X DELETE "$SUPABASE_URL/rest/v1/notes?id=eq.4" \
-H "apikey: $SUPABASE_ANON_KEY" \
-H "Authorization: Bearer $ALICE_TOKEN" \
-H "Prefer: return=representation")
HTTP_CODE=$(echo "$RESULT" | tail -1)
BODY=$(echo "$RESULT" | sed '$d')
echo "HTTP $HTTP_CODE: $BODY"
echo "---"=== TEST 7: Alice updates her own note (id=1) - should SUCCEED ===
HTTP 200: [{"id":1,"user_id":"6391167a-bcc2-44ac-be71-e67f117de97f","title":"Groceries updated","body":"milk, eggs, coffee"}]
---
=== TEST 8: Alice tries to update Bob's note (id=3) - should FAIL ===
HTTP 200: []
---
=== TEST 9: Bob deletes his own note (id=3) - should SUCCEED ===
HTTP 200: [{"id":3,"user_id":"b01d8c32-8df4-4adf-8270-ad16d17179ca","title":"Gym plan","body":"push pull legs"}]
---
=== TEST 10: Alice tries to delete Bob's remaining note (id=4) - should FAIL ===
HTTP 200: []
---
# Verify Bob's notes are still intact (note 3 was deleted by Bob, note 4 should still exist) echo "=== Verify data integrity after tests ===" curl -s "$SUPABASE_URL/rest/v1/notes?select=id,title,user_id&order=id" \ -H "apikey: $SUPABASE_ANON_KEY" \ -H "Authorization: Bearer $(cat /tmp/alice_token.txt)" | python3 -m json.tool echo "---" curl -s "$SUPABASE_URL/rest/v1/notes?select=id,title,user_id&order=id" \ -H "apikey: $SUPABASE_ANON_KEY" \ -H "Authorization: Bearer $(cat /tmp/bob_token.txt)" | python3 -m json.tool
=== Verify data integrity after tests ===
[
{
"id": 1,
"title": "Groceries updated",
"user_id": "6391167a-bcc2-44ac-be71-e67f117de97f"
},
{
"id": 2,
"title": "Call plumber",
"user_id": "6391167a-bcc2-44ac-be71-e67f117de97f"
},
{
"id": 5,
"title": "Test note from Alice",
"user_id": "6391167a-bcc2-44ac-be71-e67f117de97f"
}
]
---
[
{
"id": 4,
"title": "Trip ideas",
"user_id": "b01d8c32-8df4-4adf-8270-ad16d17179ca"
},
{
"id": 7,
"title": "Test note from Bob",
"user_id": "b01d8c32-8df4-4adf-8270-ad16d17179ca"
}
]
# Revert test changes using service role (bypasses RLS)
# 1. Undo Alice's title update on note 1
# 2. Delete test note 5 (Alice's test)
# 3. Delete test note 7 (Bob's test)
# 4. Restore Bob's deleted note 3
PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "
UPDATE public.notes SET title = 'Groceries' WHERE id = 1;
DELETE FROM public.notes WHERE id = 5;
DELETE FROM public.notes WHERE id = 7;
INSERT INTO public.notes (id, user_id, title, body) VALUES (3, 'b01d8c32-8df4-4adf-8270-ad16d17179ca', 'Gym plan', 'push pull legs');
SELECT setval('public.notes_id_seq', (SELECT MAX(id) FROM public.notes));
"UPDATE 1
DELETE 1
DELETE 1
INSERT 0 1
setval
--------
4
(1 row)
# Final verification: confirm original data is intact echo "=== Final data state ===" PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "SELECT id, user_id, title, body FROM public.notes ORDER BY id;" echo "" echo "=== Final policies ===" PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "SELECT policyname, cmd, qual, with_check FROM pg_policies WHERE schemaname='public' AND tablename='notes';" echo "" echo "=== RLS status ===" PGPASSWORD=$SUPABASE_DB_PASSWORD psql "$SUPABASE_DB_URL" -c "SELECT relrowsecurity FROM pg_class WHERE relname='notes';"
=== Final data state ===
id | user_id | title | body
----+--------------------------------------+--------------+----------------------
1 | 6391167a-bcc2-44ac-be71-e67f117de97f | Groceries | milk, eggs, coffee
2 | 6391167a-bcc2-44ac-be71-e67f117de97f | Call plumber | kitchen sink leaks
3 | b01d8c32-8df4-4adf-8270-ad16d17179ca | Gym plan | push pull legs
4 | b01d8c32-8df4-4adf-8270-ad16d17179ca | Trip ideas | mountains in october
(4 rows)
=== Final policies ===
policyname | cmd | qual | with_check
----------------------------+--------+------------------------+------------------------
Users can read own notes | SELECT | (user_id = auth.uid()) |
Users can insert own notes | INSERT | | (user_id = auth.uid())
Users can update own notes | UPDATE | (user_id = auth.uid()) | (user_id = auth.uid())
Users can delete own notes | DELETE | (user_id = auth.uid()) |
(4 rows)
=== RLS status ===
relrowsecurity
----------------
t
(1 row)
rm -f /tmp/alice_token.txt /tmp/bob_token.txt
10 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