Fix superuser release locks RPC

supabase/migrations/20251105012104_b7fe4059-b251-4568-8912-843131128d1e.sql

@@ -0,0 +1,65 @@
+-- Fix search_path security issue in superuser_release_all_locks function
+CREATE OR REPLACE FUNCTION public.superuser_release_all_locks(p_superuser_id uuid)
+RETURNS integer
+LANGUAGE plpgsql
+SECURITY DEFINER
+SET search_path = 'public', 'auth'  -- Set immutable search path for security
+AS $function$
+DECLARE
+  v_is_superuser BOOLEAN;
+  v_released_count INTEGER;
+  v_released_locks JSONB;
+BEGIN
+  -- Verify caller is actually a superuser
+  SELECT EXISTS (
+    SELECT 1 FROM public.user_roles 
+    WHERE user_id = p_superuser_id 
+    AND role = 'superuser'
+  ) INTO v_is_superuser;
+  
+  IF NOT v_is_superuser THEN
+    RAISE EXCEPTION 'Unauthorized: Only superusers can release all locks';
+  END IF;
+  
+  -- Capture all locked submissions for audit
+  SELECT jsonb_agg(
+    jsonb_build_object(
+      'submission_id', id,
+      'assigned_to', assigned_to,
+      'locked_until', locked_until,
+      'submission_type', submission_type
+    )
+  ) INTO v_released_locks
+  FROM public.content_submissions
+  WHERE assigned_to IS NOT NULL 
+    AND locked_until > NOW();
+  
+  -- Release all active locks
+  UPDATE public.content_submissions
+  SET 
+    assigned_to = NULL,
+    assigned_at = NULL,
+    locked_until = NULL
+  WHERE assigned_to IS NOT NULL 
+    AND locked_until > NOW()
+    AND status IN ('pending', 'partially_approved');
+  
+  GET DIAGNOSTICS v_released_count = ROW_COUNT;
+  
+  -- Log the bulk release
+  IF v_released_count > 0 THEN
+    PERFORM public.log_admin_action(
+      p_superuser_id,
+      NULL,
+      'submission_locks_bulk_released',
+      jsonb_build_object(
+        'released_count', v_released_count,
+        'released_locks', v_released_locks,
+        'bulk_operation', true
+      )
+    );
+  END IF;
+  
+  RETURN v_released_count;
+END;
+$function$;