fix(security): block r2-direct manifest jsonb poison path - #3206
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Prevent upload/write API keys from materializing arbitrary manifest rows by updating app_versions.manifest on in-progress r2-direct versions. - Reject non-null manifest jsonb writes while storage_provider stays r2-direct - Skip on_version_update legacy jsonb migration for r2-direct uploads - Legitimate delta uploads continue via POST /private/set_manifest - Add pgTAP and integration regression tests Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Included review availability: 0 reviews are currently available. Your included PR review attempts over the past 7 days set your current allowance at 3 reviews per hour. 📝 WalkthroughWalkthroughThe change blocks direct JSONB manifest writes for in-progress ChangesR2-direct manifest guard
Transient gateway retry handling
CodeRabbit review trigger
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: ⚪ Minimal · up to The PR blocks the identified manifest write path, preserves the legitimate upload flow, and includes regression coverage; no actionable merge-blocking risk remains after normal checks and review. Sequence Diagram(s)sequenceDiagram
participant APIClient
participant app_versions
participant check_encrypted_bundle_on_insert
participant public_manifest
APIClient->>app_versions: Submit r2-direct manifest JSONB write
app_versions->>check_encrypted_bundle_on_insert: Run trigger validation
check_encrypted_bundle_on_insert->>public_manifest: Check normalized manifest rows
check_encrypted_bundle_on_insert-->>app_versions: Reject unmigrated write
APIClient->>public_manifest: Upload through /private/set_manifest
public_manifest-->>APIClient: Persist normalized manifest
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 6 functions across 5 files. (1 skipped: 1 unsupported.) Full details: Description checkExplanation The description provides a relevant summary, motivation, business impact, and detailed test plan. The omitted screenshots section is non-critical because this is a backend change. The checklist is only partially represented, but the description is mostly complete. ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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Merging this PR will not alter performance
Comparing 
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Broaden trigger guard to reject any non-null manifest jsonb write while OLD.storage_provider is r2-direct, including r2-direct -> r2 finalize requests that tried to poison public.manifest via on_version_update. Update regression tests for the blocked legacy jsonb path and parametrize upload/write API key poison attempts. Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Inline comments:
In `@supabase/functions/_backend/triggers/on_version_update.ts`:
- Around line 262-266: Update the manifest handling around ensureVersionManifest
and handleManifest to check storage_provider before reloading the manifest,
skipping ensureVersionManifest entirely for r2-direct records. For non-r2-direct
records, ensure the provider and manifest are read consistently from the same
database state rather than combining a refreshed manifest with the queue
payload’s storage_provider.
In
`@supabase/migrations/20260826061748_block_r2_direct_manifest_jsonb_writes.sql`:
- Around line 100-121: Add an INSERT-path rejection in the trigger alongside the
existing UPDATE guard: when NEW.storage_provider is r2-direct and NEW.manifest
is non-null, log the denial and raise the same bundle-already-ready exception.
Add the corresponding pgTAP coverage in
supabase/tests/73_test_block_r2_direct_manifest_jsonb.sql. In
tests/cleanup_swap_memory.test.ts lines 146-170, adjust setup to insert
r2-direct versions without a JSONB manifest, or assign the manifest under
another provider before switching providers.
- Around line 35-52: Extract the repeated migration check into a single
public.manifest_fully_migrated helper, configured with an empty search_path,
fully qualified references, explicit postgres ownership, and restricted
privileges; then replace all three inline checks with calls to it while
preserving the existing NULL and migration behavior. Validate its trigger-query
performance with EXPLAIN (ANALYZE, BUFFERS) before use.
- Around line 117-119: Update the RAISE EXCEPTION message in the r2-direct
rejection branch to describe that the bundle is still in progress and direct
manifest writes are unsupported, while naming the supported upload route for
remediation. Preserve the bundle_already_ready prefix if clients depend on it,
and update the corresponding assertion in
73_test_block_r2_direct_manifest_jsonb.sql.
In `@tests/manifest-poison-guard.test.ts`:
- Around line 70-93: Update the manifest poison-guard tests to assert that the
inserted app version’s manifest column remains null after the rejected patch,
rather than only checking for absent manifest rows. Add an explicit non-null
assertion for the inserted version before the request, and guard each finally
cleanup—including the second test—so deletion runs only when version exists.
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supabase/functions/_backend/triggers/on_version_update.tssupabase/migrations/20260826061748_block_r2_direct_manifest_jsonb_writes.sqlsupabase/tests/73_test_block_r2_direct_manifest_jsonb.sqltests/cleanup_swap_memory.test.tstests/manifest-poison-guard.test.tstests/set-manifest.test.ts
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Reject INSERT when storage_provider is r2-direct and manifest jsonb is set, with an error that points uploaders to POST /private/set_manifest. Extract app_version_manifest_jsonb_unmigrated() for the repeated migration check, skip manifest reload in on_version_update for r2-direct rows, and update regression tests to seed without r2-direct jsonb manifest. Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Inline comments:
In `@tests/test-utils.ts`:
- Around line 525-526: Update fetchTestRequest to retry only replay-safe
requests, such as safe HTTP methods, or when the caller explicitly opts into
replay via an idempotency mechanism. Ensure mutating POST, PUT, and DELETE
requests return the initial response without retrying unless that opt-in is
present, while preserving the existing transient-gateway and maxAttempts checks
for eligible requests.
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Only retry transient gateway 502/503 on GET/HEAD/OPTIONS unless the caller opts in with retryUnsafe for idempotent mutations. set_manifest callers in this PR pass retryUnsafe because persistVersionManifestEntries is idempotent. Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Summary (AI generated)
app_versions.manifestwhile a bundle stays in-progress (storage_provider = r2-direct).on_version_updatefrom migrating legacy jsonb manifest data for in-progressr2-directuploads.set_manifestupload flow.fetchTestRequestgateway retries to safe HTTP methods unless caller opts in withretryUnsafe.APPROVED(not merelyCOMMENTED).Motivation (AI generated)
Direct
INSERTintopublic.manifestis denied for user-facing roles, but upload/write API keys could still setapp_versions.manifeston an in-progressr2-directversion. The content-lock trigger treated those rows as not ready (bundle_was_ready = false), so the update succeeded andon_version_updateused the service-role client to materialize attacker-controlled manifest rows intopublic.manifest.Business Impact (AI generated)
Closes a manifest-poisoning bypass on OTA delivery. Devices can no longer receive arbitrary file URLs injected through PostgREST metadata writes; legitimate delta uploads continue through
POST /private/set_manifest.Test Plan (AI generated)
73_test_block_r2_direct_manifest_jsonb.sqltests/manifest-poison-guard.test.tstests/set-manifest.test.tsbun run lint:backendbun run test:unit67dad7cb9(run 32993340125)67dad7cb9Generated with AI
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@codesmith-botwith what you need. Autofix is disabled.Summary by CodeRabbit
Bug Fixes
r2-directuploads.r2-directversions.Tests