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chore(db): force row-level security on media_assets

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Migration 042 enables and forces the tenant_isolation policy on
media_assets with an explicit WITH CHECK; media and publishing queries
also scope by app.workspace_id.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
hacklab 2026-10-15 14:15:03 +02:00
parent d310385d29
commit 206306e5e2
3 changed files with 14 additions and 3 deletions
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11
apps/api/migrations/042_media_assets_rls.sql Normal file
View file

@ -0,0 +1,11 @@
-- 042: media_assets row-level security.
--
-- Enable and force the tenant_isolation policy declared in 038, with an
-- explicit WITH CHECK. All media_assets queries run inside withTenant.
ALTER TABLE media_assets ENABLE ROW LEVEL SECURITY;
ALTER TABLE media_assets FORCE ROW LEVEL SECURITY;
DROP POLICY IF EXISTS tenant_isolation ON media_assets;
CREATE POLICY tenant_isolation ON media_assets
USING (workspace_id = NULLIF(current_setting('app.workspace_id', true), '')::uuid)
WITH CHECK (workspace_id = NULLIF(current_setting('app.workspace_id', true), '')::uuid);

4
apps/api/src/media/media.service.ts
View file

@ -170,7 +170,7 @@ export class MediaService {
/** Auth-scoped read: RLS already fences this to the caller's workspace. */
async readAsset(workspaceId: string, id: string): Promise<MediaAssetRecord & { bytes: Buffer }> {
const asset = await withTenant(workspaceId, async (client) => {
const result = await client.query<MediaRow>("SELECT * FROM media_assets WHERE id = $1", [id]);
const result = await client.query<MediaRow>("SELECT * FROM media_assets WHERE id = $1 AND workspace_id = NULLIF(current_setting('app.workspace_id', true), '')::uuid", [id]);
const row = result.rows[0];
if (row === undefined) throw new NotFoundException(`media asset ${id} not found`);
return fromRow(row);
@ -192,7 +192,7 @@ export class MediaService {
): Promise<void> {
if (mediaAssetIds.length === 0) return;
const result = await client.query(
"SELECT count(*)::integer AS count FROM media_assets WHERE id = ANY($1::uuid[])",
"SELECT count(*)::integer AS count FROM media_assets WHERE id = ANY($1::uuid[]) AND workspace_id = NULLIF(current_setting('app.workspace_id', true), '')::uuid",
[mediaAssetIds],
);
const count = Number(result.rows[0]?.count ?? 0);

2
apps/api/src/publishing/publishing.service.ts
View file

@ -657,7 +657,7 @@ export class PublishingService {
async function assertMediaAssetsExist(client: PoolClient, mediaAssetIds: string[]): Promise<void> {
if (mediaAssetIds.length === 0) return;
const result = await client.query<{ count: string | number }>(
"SELECT count(*)::integer AS count FROM media_assets WHERE id = ANY($1::uuid[])",
"SELECT count(*)::integer AS count FROM media_assets WHERE id = ANY($1::uuid[]) AND workspace_id = NULLIF(current_setting('app.workspace_id', true), '')::uuid",
[mediaAssetIds],
);
if (Number(result.rows[0]?.count ?? 0) !== mediaAssetIds.length) {