screentinker/docs
screentinker 3f9459139f
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Gate licences in CI and publish an SBOM (#282)
The licence audit that found org.json in the APK was run by hand. Nothing stopped the next
transitive dependency arriving the same way, and "we track licences" was a claim rather than
something anyone could check.

TWO GATES, BOTH FAIL CLOSED.

scripts/license-check.js audits the server's npm tree. scripts/android-license-check.js
resolves the real releaseRuntimeClasspath — everything that can enter the APK a customer
installs — and checks it against android/licenses.json, where each entry records the licence
AND the evidence for it. A dependency nobody has recorded fails the build. That is the case
worth catching: org.json reached customers because it arrived transitively and nothing ever
asked what licence it carried.

Denied: AGPL, GPL, SSPL, Commons Clause, BUSL, and the JSON Licence. Weak copyleft (LGPL,
MPL, EPL, CDDL) is reported but does not fail — it is a judgement, and the judgement should
be made by someone who knows they are making it. Anything unrecognised fails; a package whose
licence we cannot identify is not one we ship.

⚠️ THE SERVER GATE INSTALLS --omit=dev, AND THAT IS THE POINT. A developer checkout carries
sharp, whose @img/sharp-wasm32 declares LGPL-3.0-or-later. It is a test fixture generator that
never reaches a server, but a scanner pointed at a dev tree reports LGPL and contradicts the
answer we give customers. Auditing the production install is what makes the answer defensible.

SBOM. Every release now publishes screentinker-sbom-<version>.cdx.json — CycloneDX 1.5, every
production dependency with version, purl and licence, generated from a production install. CI
uploads one on every run too. That is what turns the claim into something a customer or an
underwriter can verify themselves.

Neither script takes a dependency: a gate that needs its own supply chain audited is worth
less than one that does not.

Verified by mutation rather than assumed. Injecting GPL-3.0-or-later, AGPL-3.0, the JSON
Licence, SSPL-1.0, and a package with no licence field each fail the server gate; MIT and
LGPL pass (LGPL reported). Removing the org.json exclusion fails the Android gate by name;
dropping a group from the policy fails it as unrecorded. Both restored, both green.

Found and fixed while building it: npm ls exits non-zero for any tree problem — an extraneous
package is enough — which made the gate abort instead of auditing. It now reads the listing
either way and only aborts on genuinely empty output.

docs/licensing.md records the policy, how to run the gates, and the dev-vs-production trap.

1676/1676 pass.
2026-08-14 15:36:38 -05:00
..
104-draft-preview-build-plan.md feat(preview): draft-aware device-free playlist preview via player reuse (#104) 2026-06-15 14:11:05 -05:00
109-android-pip-visibility.md fix(#109): render Android PiP overlay above the YouTube WebView video plane (#135) 2026-06-19 14:49:20 -05:00
134-device-reporting.md fix(#134): quiet false "reconnect" log + report HDMI output and UI render resolution (#136) 2026-06-19 15:32:11 -05:00
146-hardening-fallout.md feat(#146): always-on devices_connected + admin-toggleable /api/status debug block 2026-07-01 18:45:40 -05:00
146-hardening-plan.md docs(#146): event-loop hardening plan — blast-radius audit + failure model + sequenced plan 2026-06-30 20:44:46 -05:00
148-android-duplicate-socket-fix.md docs(#148): android duplicate-socket root-cause fix + verification spec 2026-07-02 19:29:50 -05:00
148-connection-lifecycle-analysis.md docs(#148): mass-disconnect + connection-lifecycle + half-open analyses 2026-07-02 14:59:25 -05:00
148-half-open-fix.md docs(#148): mass-disconnect + connection-lifecycle + half-open analyses 2026-07-02 14:59:25 -05:00
148-mass-disconnect-analysis.md docs(#148): mass-disconnect + connection-lifecycle + half-open analyses 2026-07-02 14:59:25 -05:00
148-server-eviction-storm-analysis.md docs(#148): server eviction-storm analysis (field-safe net spec) 2026-07-02 19:12:46 -05:00
android-troubleshooting.md feat(android): hidden settings menu with multi-tap BACK/ESC detection 2026-07-07 16:57:49 -04:00
billing-authz-plan.md feat(#146): billing:read scoped token — dual-path auth for the Usage Report (Option C) 2026-07-01 21:16:21 -05:00
billing.md feat(#146): owner-only CLI to mint billing:read tokens (scripts/mint-billing-token.js) 2026-07-01 21:31:11 -05:00
device-owner-provisioning.md feat(device-owner): tier foundation + QR provisioning + content-expiry & device enhancements (#168) 2026-07-12 19:41:07 -05:00
licensing.md Gate licences in CI and publish an SBOM (#282) 2026-08-14 15:36:38 -05:00
local-ai-setup.md docs: local AI setup guide for the Content Designer (#41) 2026-06-09 13:57:02 -05:00
maintenance-device-status-log.md docs(#142): 1.9.2-beta1 changelog + device_status_log VACUUM maintenance note 2026-06-27 19:59:17 -05:00
multi-tenancy-design.md Phase 1: multi-tenancy design doc + migration scripts 2026-05-11 19:37:15 -05:00
openapi.yaml chore(release): v1.9.36 2026-08-14 12:23:16 -05:00
operations.md Runbook: three traps from the Pi 5 report (#245) (#272) 2026-08-13 21:10:53 -05:00
player-parity.md Stop Android panels losing controls when they update 2026-08-10 10:31:33 -05:00
seo-directory-listings.md feat(seo): IndexNow + landing-page optimization (schema, FAQ, CWV, content) (#177) 2026-07-13 11:22:37 -05:00
sso-setup.md Document how to actually set single sign-on up 2026-08-12 15:11:13 -05:00
telemetry.md Install statistics: send on opt-in, name a blocked firewall, and add an operator collector (#268) 2026-08-13 19:00:37 -05:00