fix(database): enforce org-scoped webhook RLS

[riderx]

Summary (AI generated)

• Added supabase/migrations/20260224100000_fix_webhook_rls_org_scoping.sql to harden webhook table RLS.
• Updated public.webhooks SELECT/INSERT/UPDATE/DELETE policies to use public.get_identity_org_allowed('{read,upload,write,all}'::public.key_mode [], org_id) inside public.check_min_rights(...).
• Updated public.webhook_deliveries SELECT/INSERT/UPDATE policies to use public.get_identity_org_allowed('{read,upload,write,all}'::public.key_mode [], org_id).
• Maintained TO authenticated, anon role coverage to preserve API key and user-authenticated access paths.
• Prevents cross-tenant reads of webhook secrets and delivery payload/body when using org-scoped read keys.

Motivation (AI generated)

Security review identified tenant isolation bypasses on webhook PostgREST access: org-scoped read API keys were able to query webhook rows outside their org because policies resolved identity via get_identity(...) instead of an org-aware helper. This migration enforces org-scoped identity checks in webhook RLS.

Business Impact (AI generated)

• Removes exposure of another tenant’s webhook signing secrets and delivery data.
• Reduces risk of forged webhook events and downstream endpoint abuse.
• Restores correct tenant isolation for webhook operations, strengthening trust and compliance for multi-tenant users.

Test Plan (AI generated)

• Ran bun lint.
• Deploy/push migration to local Supabase test environment.
• Verify org-scoped read key can only query webhook rows for allowed org_id values.
• Verify attempts to read non-authorized webhook rows return no data.
• Spot-check existing webhook flows for expected behavior with admin credentials.

Generated with AI

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📥 Commits

Reviewing files that changed from the base of the PR and between 38ce641 and 4167e18.

📒 Files selected for processing (1)

• supabase/migrations/20260224100000_fix_webhook_rls_org_scoping.sql

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch riderx/fix-webhook-rbac

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[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud