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security: quick-win hardening fixes #242

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Merged
ChristopherRotnes merged 1 commit into from
May 15, 2026
Merged

security: quick-win hardening fixes #242

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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ dist/
files.zip
.env
.env.local
app/api/local.settings.json
.claude/
design_handoff_workout_lens/
design_handoff_tilpass_appen/
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2 changes: 1 addition & 1 deletion app/public/staticwebapp.config.json
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Expand Up @@ -26,7 +26,7 @@
"X-Frame-Options": "DENY",
"Referrer-Policy": "strict-origin-when-cross-origin",
"Permissions-Policy": "camera=(), microphone=(), geolocation=()",
"Content-Security-Policy": "default-src 'self'; script-src 'self' 'sha256-S1NwxpfinBiP8uiGmiz+HYOp4lnKrfbe0hf7PcCP3Nk='; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self'; connect-src 'self' https://*.supabase.co; object-src 'none'; base-uri 'self'; form-action 'self'"
"Content-Security-Policy": "default-src 'self'; script-src 'self' 'sha256-S1NwxpfinBiP8uiGmiz+HYOp4lnKrfbe0hf7PcCP3Nk='; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self'; connect-src 'self' https://kyolnraqudwrjjbtxhwx.supabase.co; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'"
},
"platform": {
"apiRuntime": "node:22"
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17 changes: 17 additions & 0 deletions supabase/migrations/20260515_security_quick_wins.sql
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@@ -0,0 +1,17 @@
-- Revoke direct RPC access to handle_new_user().
-- This is an auth trigger that should only fire internally on user creation,
-- never be callable via /rest/v1/rpc/ by anon or authenticated roles.
REVOKE EXECUTE ON FUNCTION public.handle_new_user() FROM anon;
REVOKE EXECUTE ON FUNCTION public.handle_new_user() FROM authenticated;

-- Fix mutable search_path on all three stored functions.
-- Without SET search_path, a privileged attacker could shadow public schema
-- tables and redirect writes to malicious objects.
ALTER FUNCTION public.replace_template_exercises(p_template_id uuid, p_exercises jsonb)
SET search_path = public;

ALTER FUNCTION public.save_session(p_gym_calendar_id uuid, p_session_date date, p_image_url text, p_notes text, p_training_group_id uuid, p_exercises jsonb, p_replace boolean)
SET search_path = public;

ALTER FUNCTION public.update_session(p_session_id uuid, p_gym_calendar_id uuid, p_exercises jsonb, p_replace boolean)
SET search_path = public;
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