feat: establish standalone Device Core repository

This commit is contained in:
DCCONSTRUCTIONS
2026-08-21 11:51:21 +03:00
commit e0bac205d0
244 changed files with 51962 additions and 0 deletions
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{
"name": "@nodedc/arusnavi-b2-adapter",
"version": "0.1.0",
"private": true,
"type": "module",
"exports": {
".": "./src/index.mjs"
},
"scripts": {
"test": "node --test test/*.test.mjs"
},
"engines": {
"node": ">=20"
}
}
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import { createHash } from "node:crypto";
import {
DEVICE_ADAPTER_CONTRACT_VERSION,
defineDeviceAdapter,
} from "../../device-adapter-runtime/src/index.mjs";
export const ARUSNAVI_INTERNAL_SPECIFICATION_REF =
"arusnavi.internal.protocol-sheet.gid-12.v1";
const HEADER2_LENGTH = 10;
const HEADER_START = 0xff;
const HEADER2_GPRS_VERSION = 0x23;
const PACKAGE_START = 0x5b;
const PACKAGE_END = 0x5d;
const SERVER_COMMAND_START = 0x7b;
const SERVER_COMMAND_END = 0x7d;
const MIN_PACKAGE_NUMBER = 0x01;
const MAX_PACKAGE_NUMBER = 0xfb;
const PACKET_FIXED_LENGTH = 8;
const MAX_PACKET_DATA_LENGTH = 32 * 1024;
const MAX_PACKAGE_LENGTH = 64 * 1024;
export const ARUSNAVI_B2_MODEL_PROFILE = deepFreeze({
schemaVersion: "nodedc.device-model-profile.v1",
profileRef: "arusnavi.b2.internal.v1",
vendor: "ARUSNAVI",
model: "B2",
deviceType: "tracker",
protocol: "INTERNAL",
monitoringServerSlots: 4,
serverIdentity: {
kind: "imei",
source: "modem",
trust: "claimed-not-ownership-proof",
},
bootstrap: {
operatorSurface: "ARUSNAVI_WEB_OR_LOCAL_CONFIGURATOR",
platformCredentialRequired: false,
preserveExistingRoutes: true,
},
framing: {
status: "verified-read-only",
specificationRef: ARUSNAVI_INTERNAL_SPECIFICATION_REF,
headerVersion: "HEADER2_GPRS_0x23",
headerBytes: HEADER2_LENGTH,
maxBufferedBytes: MAX_PACKAGE_LENGTH,
},
acknowledgement: {
header: "server-time-only",
package: "package-number-only",
},
commandTransport: {
status: "typed-service-ping-v1",
exportedCommandBuilders: 1,
},
routeCompatibility: {
gelios: "parallel-preserved",
automaticCommandFailover: false,
},
});
export const ARUSNAVI_B2_ADAPTER = defineDeviceAdapter({
contractVersion: DEVICE_ADAPTER_CONTRACT_VERSION,
adapterRef: "arusnavi-b2",
runtimePackageRef: "@nodedc/arusnavi-b2-adapter",
profiles: [ARUSNAVI_B2_MODEL_PROFILE],
createSession({ profileRef } = {}) {
if (profileRef !== ARUSNAVI_B2_MODEL_PROFILE.profileRef) {
throw new TypeError("b2_adapter_profile_unsupported");
}
return {
parseHeader: tryParseB2Header2,
buildHeaderAcknowledgement: buildB2HeaderAcknowledgement,
parseMessage: tryParseB2Package,
buildMessageAcknowledgement(message) {
return buildB2PackageAcknowledgement(message.packageNumber);
},
buildTypedCommand: buildB2TypedCommand,
parseTypedCommandResponse: tryParseB2TypedCommandResponse,
};
},
});
export function tryParseB2Header2(input) {
assertBuffer(input, "b2_header_buffer_required");
if (input.length < HEADER2_LENGTH) {
return Object.freeze({
status: "incomplete",
minimumBytes: HEADER2_LENGTH,
});
}
if (input[0] !== HEADER_START) {
throw new TypeError("b2_header_start_invalid");
}
if (input[1] !== HEADER2_GPRS_VERSION) {
throw new TypeError("b2_header_version_unsupported");
}
const identifier = input.readBigUInt64LE(2).toString(10);
if (!/^\d{15}$/.test(identifier)) {
throw new TypeError("b2_header_imei_invalid");
}
return Object.freeze({
status: "complete",
bytesConsumed: HEADER2_LENGTH,
identifier: Object.freeze({
kind: "imei",
value: identifier,
trust: "claimed-not-ownership-proof",
}),
evidence: Object.freeze({
transport: "tcp",
bytesObserved: HEADER2_LENGTH,
framingStatus: "verified",
specificationRef: ARUSNAVI_INTERNAL_SPECIFICATION_REF,
}),
});
}
export function buildB2HeaderAcknowledgement(unixSeconds) {
const timestamp = normalizeUInt32(
unixSeconds,
"b2_header_ack_timestamp_invalid",
);
const commandData = Buffer.allocUnsafe(4);
commandData.writeUInt32LE(timestamp);
return Buffer.from([
SERVER_COMMAND_START,
commandData.length,
0x00,
checksum(commandData),
...commandData,
SERVER_COMMAND_END,
]);
}
export function tryParseB2Package(input) {
assertBuffer(input, "b2_package_buffer_required");
if (input.length === 0) {
return Object.freeze({ status: "incomplete", minimumBytes: 1 });
}
if (input[0] !== PACKAGE_START) {
throw new TypeError("b2_package_start_invalid");
}
if (input.length < 3) {
return Object.freeze({ status: "incomplete", minimumBytes: 3 });
}
const packageNumber = input[1];
if (
packageNumber < MIN_PACKAGE_NUMBER
|| packageNumber > MAX_PACKAGE_NUMBER
) {
throw new TypeError("b2_package_number_invalid");
}
let offset = 2;
let packetCount = 0;
while (true) {
if (offset >= MAX_PACKAGE_LENGTH) {
throw new TypeError("b2_package_length_exceeded");
}
if (offset >= input.length) {
return Object.freeze({
status: "incomplete",
minimumBytes: offset + 1,
});
}
if (input[offset] === PACKAGE_END) {
if (packetCount === 0) {
throw new TypeError("b2_package_empty");
}
return Object.freeze({
status: "complete",
bytesConsumed: offset + 1,
packageNumber,
packetCount,
messageType: "telemetry.package",
payloadSchemaRef: "arusnavi.internal.package-metadata.v1",
payload: Object.freeze({
packageNumber,
packetCount,
byteLength: offset + 1,
packageDigest: `sha256:${createHash("sha256")
.update(input.subarray(0, offset + 1))
.digest("hex")}`,
}),
});
}
if (input.length - offset < 3) {
return Object.freeze({
status: "incomplete",
minimumBytes: offset + 3,
});
}
const dataLength = input.readUInt16LE(offset + 1);
if (dataLength > MAX_PACKET_DATA_LENGTH) {
throw new TypeError("b2_packet_data_length_exceeded");
}
const packetLength = PACKET_FIXED_LENGTH + dataLength;
const packetEnd = offset + packetLength;
if (packetEnd + 1 > MAX_PACKAGE_LENGTH) {
throw new TypeError("b2_package_length_exceeded");
}
if (input.length < packetEnd) {
return Object.freeze({
status: "incomplete",
minimumBytes: packetEnd,
});
}
const expectedChecksum = checksum(
input.subarray(offset + 3, packetEnd - 1),
);
if (input[packetEnd - 1] !== expectedChecksum) {
throw new TypeError("b2_packet_checksum_invalid");
}
packetCount += 1;
offset = packetEnd;
}
}
export function buildB2PackageAcknowledgement(packageNumber) {
const normalized = Number(packageNumber);
if (
!Number.isSafeInteger(normalized)
|| normalized < MIN_PACKAGE_NUMBER
|| normalized > MAX_PACKAGE_NUMBER
) {
throw new TypeError("b2_package_ack_number_invalid");
}
return Buffer.from([
SERVER_COMMAND_START,
0x00,
normalized,
SERVER_COMMAND_END,
]);
}
export function buildB2TypedCommand({ commandType, accessCode } = {}) {
if (commandType !== "service.ping") {
throw new TypeError("b2_typed_command_unsupported");
}
if (typeof accessCode !== "string" || !/^\d{6}$/.test(accessCode)) {
throw new TypeError("b2_command_access_code_invalid");
}
return Buffer.from(`${accessCode}*SERV*1.1`, "ascii");
}
export function tryParseB2TypedCommandResponse(input, { commandType } = {}) {
assertBuffer(input, "b2_command_response_buffer_required");
if (commandType !== "service.ping") {
throw new TypeError("b2_typed_command_unsupported");
}
const expected = Buffer.from("SERV OK", "ascii");
const compared = Math.min(input.length, expected.length);
if (!input.subarray(0, compared).equals(expected.subarray(0, compared))) {
return Object.freeze({ status: "not-command" });
}
if (input.length < expected.length) {
return Object.freeze({ status: "incomplete", minimumBytes: expected.length });
}
return Object.freeze({
status: "acknowledged",
bytesConsumed: expected.length,
resultCode: "serv_ok",
});
}
export function assertB2ProfileInvariant(profile = ARUSNAVI_B2_MODEL_PROFILE) {
if (profile.monitoringServerSlots !== 4) {
throw new TypeError("b2_server_slot_count_invalid");
}
if (profile.protocol !== "INTERNAL") {
throw new TypeError("b2_protocol_invalid");
}
if (profile.serverIdentity.kind !== "imei") {
throw new TypeError("b2_identity_kind_invalid");
}
if (profile.framing.status !== "verified-read-only") {
throw new TypeError("b2_framing_must_be_verified");
}
if (
profile.framing.specificationRef
!== ARUSNAVI_INTERNAL_SPECIFICATION_REF
) {
throw new TypeError("b2_framing_specification_invalid");
}
if (profile.commandTransport.status !== "typed-service-ping-v1") {
throw new TypeError("b2_command_transport_profile_invalid");
}
if (profile.routeCompatibility.gelios !== "parallel-preserved") {
throw new TypeError("b2_gelios_route_must_be_preserved");
}
return true;
}
function checksum(input) {
let value = 0;
for (const byte of input) value = (value + byte) & 0xff;
return value;
}
function normalizeUInt32(value, errorCode) {
const normalized = Number(value);
if (
!Number.isSafeInteger(normalized)
|| normalized < 0
|| normalized > 0xffffffff
) {
throw new TypeError(errorCode);
}
return normalized;
}
function assertBuffer(input, errorCode) {
if (!Buffer.isBuffer(input)) {
throw new TypeError(errorCode);
}
}
function deepFreeze(value) {
if (!value || typeof value !== "object" || Object.isFrozen(value)) {
return value;
}
Object.values(value).forEach(deepFreeze);
return Object.freeze(value);
}
@@ -0,0 +1,164 @@
import assert from "node:assert/strict";
import test from "node:test";
import {
ARUSNAVI_B2_MODEL_PROFILE,
ARUSNAVI_INTERNAL_SPECIFICATION_REF,
assertB2ProfileInvariant,
buildB2HeaderAcknowledgement,
buildB2PackageAcknowledgement,
buildB2TypedCommand,
tryParseB2Header2,
tryParseB2Package,
tryParseB2TypedCommandResponse,
} from "../src/index.mjs";
const specificationHeader = Buffer.from(
"FF23E9EF782DE7120300",
"hex",
);
const specificationPackage = Buffer.from(
"5B01010000FBDEC251EC5D",
"hex",
);
test("records the official B2 route, framing and identity evidence", () => {
assert.equal(assertB2ProfileInvariant(), true);
assert.equal(ARUSNAVI_B2_MODEL_PROFILE.monitoringServerSlots, 4);
assert.equal(ARUSNAVI_B2_MODEL_PROFILE.protocol, "INTERNAL");
assert.equal(ARUSNAVI_B2_MODEL_PROFILE.serverIdentity.kind, "imei");
assert.equal(
ARUSNAVI_B2_MODEL_PROFILE.framing.specificationRef,
ARUSNAVI_INTERNAL_SPECIFICATION_REF,
);
assert.equal(
ARUSNAVI_B2_MODEL_PROFILE.routeCompatibility.gelios,
"parallel-preserved",
);
});
test("parses the official HEADER2 example as a claimed IMEI", () => {
assert.equal(
tryParseB2Header2(specificationHeader.subarray(0, 9)).status,
"incomplete",
);
const parsed = tryParseB2Header2(specificationHeader);
assert.equal(parsed.status, "complete");
assert.equal(parsed.bytesConsumed, 10);
assert.equal(parsed.identifier.kind, "imei");
assert.equal(parsed.identifier.value, "865209039777769");
assert.equal(parsed.identifier.trust, "claimed-not-ownership-proof");
assert.deepEqual(parsed.evidence, {
transport: "tcp",
bytesObserved: 10,
framingStatus: "verified",
specificationRef: ARUSNAVI_INTERNAL_SPECIFICATION_REF,
});
});
test("builds the official HEADER2 acknowledgement example", () => {
assert.equal(
buildB2HeaderAcknowledgement(0x52db95de).toString("hex").toUpperCase(),
"7B0400A0DE95DB527D",
);
});
test("parses and acknowledges the official package example", () => {
assert.equal(
tryParseB2Package(specificationPackage.subarray(0, -1)).status,
"incomplete",
);
const parsed = tryParseB2Package(specificationPackage);
assert.equal(parsed.status, "complete");
assert.equal(parsed.bytesConsumed, specificationPackage.length);
assert.equal(parsed.packageNumber, 1);
assert.equal(parsed.packetCount, 1);
assert.equal(parsed.messageType, "telemetry.package");
assert.equal(
parsed.payloadSchemaRef,
"arusnavi.internal.package-metadata.v1",
);
assert.deepEqual(parsed.payload, {
packageNumber: 1,
packetCount: 1,
byteLength: specificationPackage.length,
packageDigest:
"sha256:bba7205d2f613ac3dfdb7bccdee292b3837e1c8d3d1254ee68bba2dda3853e11",
});
assert.equal(
buildB2PackageAcknowledgement(1).toString("hex").toUpperCase(),
"7B00017D",
);
});
test("uses packet lengths and checksum instead of scanning for 0x5D", () => {
const packetData = Buffer.from([0x5d]);
const unixTime = Buffer.from([0x01, 0x00, 0x00, 0x00]);
const checksum = (0x01 + 0x5d) & 0xff;
const packageBytes = Buffer.from([
0x5b,
0x02,
0x01,
packetData.length,
0x00,
...unixTime,
...packetData,
checksum,
0x5d,
]);
const parsed = tryParseB2Package(packageBytes);
assert.equal(parsed.status, "complete");
assert.equal(parsed.bytesConsumed, packageBytes.length);
assert.equal(parsed.packageNumber, 2);
assert.equal(parsed.packetCount, 1);
assert.equal(parsed.messageType, "telemetry.package");
assert.equal(parsed.payload.byteLength, packageBytes.length);
assert.match(parsed.payload.packageDigest, /^sha256:[a-f0-9]{64}$/);
});
test("fails closed on unsupported headers and malformed packages", () => {
assert.throws(
() => tryParseB2Header2(Buffer.from("FE23E9EF782DE7120300", "hex")),
/b2_header_start_invalid/,
);
assert.throws(
() => tryParseB2Header2(Buffer.from("FF24E9EF782DE7120300", "hex")),
/b2_header_version_unsupported/,
);
const badChecksum = Buffer.from(specificationPackage);
badChecksum[badChecksum.length - 2] ^= 0xff;
assert.throws(
() => tryParseB2Package(badChecksum),
/b2_packet_checksum_invalid/,
);
});
test("exports only the typed service-ping command", () => {
assert.equal(
ARUSNAVI_B2_MODEL_PROFILE.commandTransport.status,
"typed-service-ping-v1",
);
assert.equal(
ARUSNAVI_B2_MODEL_PROFILE.commandTransport.exportedCommandBuilders,
1,
);
assert.equal(
buildB2TypedCommand({ commandType: "service.ping", accessCode: "123456" })
.toString("ascii"),
"123456*SERV*1.1",
);
assert.deepEqual(
tryParseB2TypedCommandResponse(Buffer.from("SERV OK", "ascii"), {
commandType: "service.ping",
}),
{ status: "acknowledged", bytesConsumed: 7, resultCode: "serv_ok" },
);
assert.throws(
() => buildB2TypedCommand({ commandType: "service.ping", accessCode: "12345" }),
/b2_command_access_code_invalid/,
);
assert.throws(
() => buildB2TypedCommand({ commandType: "firmware.update", accessCode: "123456" }),
/b2_typed_command_unsupported/,
);
});
@@ -0,0 +1,15 @@
{
"name": "@nodedc/device-adapter-catalog",
"version": "0.1.0",
"private": true,
"type": "module",
"exports": {
".": "./src/index.mjs"
},
"scripts": {
"test": "node --test test/*.test.mjs"
},
"engines": {
"node": ">=20"
}
}
@@ -0,0 +1,13 @@
import {
createDeviceAdapterRegistry,
} from "../../device-adapter-runtime/src/index.mjs";
import {
ARUSNAVI_B2_ADAPTER,
} from "../../arusnavi-b2-adapter/src/index.mjs";
export const DEVICE_ADAPTER_CATALOG = Object.freeze({
defaultProfileRef: "arusnavi.b2.internal.v1",
registry: createDeviceAdapterRegistry({
adapters: [ARUSNAVI_B2_ADAPTER],
}),
});
@@ -0,0 +1,17 @@
import assert from "node:assert/strict";
import test from "node:test";
import { DEVICE_ADAPTER_CATALOG } from "../src/index.mjs";
test("allowlists ARUSNAVI B2 as the first adapter without making Gateway vendor-specific", () => {
assert.deepEqual(DEVICE_ADAPTER_CATALOG.registry.adapterRefs, ["arusnavi-b2"]);
assert.deepEqual(
DEVICE_ADAPTER_CATALOG.registry.profileRefs,
["arusnavi.b2.internal.v1"],
);
const registration = DEVICE_ADAPTER_CATALOG.registry.resolveProfile(
DEVICE_ADAPTER_CATALOG.defaultProfileRef,
);
assert.equal(registration.adapter.runtimePackageRef, "@nodedc/arusnavi-b2-adapter");
assert.equal(registration.profile.model, "B2");
});
@@ -0,0 +1,15 @@
{
"name": "@nodedc/device-adapter-runtime",
"version": "0.1.0",
"private": true,
"type": "module",
"exports": {
".": "./src/index.mjs"
},
"scripts": {
"test": "node --test test/*.test.mjs"
},
"engines": {
"node": ">=20"
}
}
@@ -0,0 +1,151 @@
export const DEVICE_ADAPTER_CONTRACT_VERSION =
"nodedc.device-adapter.v1";
const ADAPTER_REF_RE = /^[a-z][a-z0-9-]{1,62}$/;
const PROFILE_REF_RE = /^[a-z][a-z0-9._-]{2,127}$/;
const RUNTIME_PACKAGE_REF_RE = /^@[a-z0-9-]+\/[a-z0-9-]+$/;
export function defineDeviceAdapter(input) {
assertPlainObject(input, "device_adapter");
if (input.contractVersion !== DEVICE_ADAPTER_CONTRACT_VERSION) {
throw new TypeError("device_adapter_contract_version_invalid");
}
const adapterRef = normalizeRef(
input.adapterRef,
ADAPTER_REF_RE,
"device_adapter_ref_invalid",
);
const runtimePackageRef = normalizeRef(
input.runtimePackageRef,
RUNTIME_PACKAGE_REF_RE,
"device_adapter_runtime_package_ref_invalid",
);
if (!Array.isArray(input.profiles) || input.profiles.length === 0) {
throw new TypeError("device_adapter_profiles_required");
}
const profiles = input.profiles.map((profile) =>
normalizeProfile(profile, adapterRef)
);
if (new Set(profiles.map((profile) => profile.profileRef)).size !== profiles.length) {
throw new TypeError("device_adapter_profile_duplicate");
}
if (typeof input.createSession !== "function") {
throw new TypeError("device_adapter_session_factory_required");
}
return deepFreeze({
contractVersion: DEVICE_ADAPTER_CONTRACT_VERSION,
adapterRef,
runtimePackageRef,
profiles,
createSession: input.createSession,
});
}
export function createDeviceAdapterRegistry({ adapters = [] } = {}) {
if (!Array.isArray(adapters)) {
throw new TypeError("device_adapter_registry_adapters_invalid");
}
const byAdapterRef = new Map();
const byProfileRef = new Map();
for (const adapter of adapters) {
const normalized = defineDeviceAdapter(adapter);
if (byAdapterRef.has(normalized.adapterRef)) {
throw new TypeError("device_adapter_registry_adapter_duplicate");
}
byAdapterRef.set(normalized.adapterRef, normalized);
for (const profile of normalized.profiles) {
if (byProfileRef.has(profile.profileRef)) {
throw new TypeError("device_adapter_registry_profile_duplicate");
}
byProfileRef.set(profile.profileRef, Object.freeze({
adapter: normalized,
profile,
}));
}
}
return Object.freeze({
adapterRefs: Object.freeze([...byAdapterRef.keys()].sort()),
profileRefs: Object.freeze([...byProfileRef.keys()].sort()),
getAdapter(adapterRef) {
const normalized = normalizeRef(
adapterRef,
ADAPTER_REF_RE,
"device_adapter_ref_invalid",
);
const adapter = byAdapterRef.get(normalized);
if (!adapter) throw new TypeError("device_adapter_not_allowlisted");
return adapter;
},
resolveProfile(profileRef) {
const normalized = normalizeRef(
profileRef,
PROFILE_REF_RE,
"device_adapter_profile_ref_invalid",
);
const registration = byProfileRef.get(normalized);
if (!registration) {
throw new TypeError("device_adapter_profile_not_allowlisted");
}
return registration;
},
});
}
export function assertDeviceAdapterSession(session) {
assertPlainObject(session, "device_adapter_session");
for (const method of [
"parseHeader",
"buildHeaderAcknowledgement",
"parseMessage",
"buildMessageAcknowledgement",
]) {
if (typeof session[method] !== "function") {
throw new TypeError(`device_adapter_session_method_missing:${method}`);
}
}
return session;
}
function normalizeProfile(profile, adapterRef) {
assertPlainObject(profile, "device_adapter_profile");
const profileRef = normalizeRef(
profile.profileRef,
PROFILE_REF_RE,
"device_adapter_profile_ref_invalid",
);
if (profile.adapterRef != null && profile.adapterRef !== adapterRef) {
throw new TypeError("device_adapter_profile_adapter_mismatch");
}
const maxBufferedBytes = Number(profile?.framing?.maxBufferedBytes);
if (
!Number.isSafeInteger(maxBufferedBytes)
|| maxBufferedBytes < 1024
|| maxBufferedBytes > 256 * 1024
) {
throw new TypeError("device_adapter_profile_buffer_limit_invalid");
}
return deepFreeze({ ...profile, profileRef, adapterRef });
}
function normalizeRef(value, pattern, errorCode) {
if (typeof value !== "string" || !pattern.test(value)) {
throw new TypeError(errorCode);
}
return value;
}
function assertPlainObject(value, label) {
if (!value || typeof value !== "object" || Array.isArray(value)) {
throw new TypeError(`${label}_invalid`);
}
}
function deepFreeze(value) {
if (!value || typeof value !== "object" || Object.isFrozen(value)) {
return value;
}
Object.values(value).forEach(deepFreeze);
return Object.freeze(value);
}
@@ -0,0 +1,60 @@
import assert from "node:assert/strict";
import test from "node:test";
import {
DEVICE_ADAPTER_CONTRACT_VERSION,
createDeviceAdapterRegistry,
defineDeviceAdapter,
} from "../src/index.mjs";
function adapter(adapterRef = "generic-tracker", profileRef = "generic.tracker.v1") {
return {
contractVersion: DEVICE_ADAPTER_CONTRACT_VERSION,
adapterRef,
runtimePackageRef: `@nodedc/${adapterRef}-adapter`,
profiles: [{
profileRef,
framing: { maxBufferedBytes: 64 * 1024 },
}],
createSession: () => ({}),
};
}
test("resolves only explicitly allowlisted adapter profiles", () => {
const registry = createDeviceAdapterRegistry({
adapters: [adapter()],
});
assert.deepEqual(registry.adapterRefs, ["generic-tracker"]);
assert.deepEqual(registry.profileRefs, ["generic.tracker.v1"]);
assert.equal(
registry.resolveProfile("generic.tracker.v1").adapter.adapterRef,
"generic-tracker",
);
assert.throws(
() => registry.resolveProfile("unknown.tracker.v1"),
/device_adapter_profile_not_allowlisted/,
);
});
test("rejects duplicate adapters and cross-adapter profile collisions", () => {
assert.throws(
() => createDeviceAdapterRegistry({ adapters: [adapter(), adapter()] }),
/device_adapter_registry_adapter_duplicate/,
);
assert.throws(
() => createDeviceAdapterRegistry({
adapters: [
adapter("generic-tracker", "shared.profile.v1"),
adapter("other-tracker", "shared.profile.v1"),
],
}),
/device_adapter_registry_profile_duplicate/,
);
});
test("freezes adapter metadata but keeps the session factory callable", () => {
const defined = defineDeviceAdapter(adapter());
assert.equal(Object.isFrozen(defined), true);
assert.equal(Object.isFrozen(defined.profiles[0]), true);
assert.equal(typeof defined.createSession, "function");
});
@@ -0,0 +1,12 @@
{
"name": "@nodedc/device-edge-channel-contract",
"version": "0.1.0",
"private": true,
"type": "module",
"exports": {
".": "./src/index.mjs"
},
"engines": {
"node": ">=20"
}
}
@@ -0,0 +1,387 @@
export const DEVICE_EDGE_CHANNEL_SCHEMA =
"nodedc.device-edge.channel-envelope.v1";
export const DEVICE_EDGE_CHANNEL_PATH =
"/internal/v1/device-edge/channel";
export const DEVICE_EDGE_CHANNEL_LIMITS = Object.freeze({
maxEnvelopeBytes: 1024 * 1024,
maxPendingAcceptances: 128,
keepaliveMs: 15_000,
deadPeerMs: 45_000,
reconnectMinimumMs: 1_000,
reconnectMaximumMs: 30_000,
});
export const EDGE_TO_CORE_MESSAGE_KINDS = Object.freeze([
"channel.hello",
"channel.heartbeat",
"tracker.session-opened",
"tracker.session-closed",
"discovery.observed",
"adapter.message",
"delivery.acknowledged",
"command.status",
"channel.counters",
]);
export const CORE_TO_EDGE_MESSAGE_KINDS = Object.freeze([
"channel.accepted",
"channel.heartbeat",
"flow.window",
"session.disposition",
"event.accepted",
"event.rejected",
]);
const OPAQUE_REF_RE = /^[A-Za-z0-9][A-Za-z0-9._:-]{0,127}$/;
const ISO_TIMESTAMP_RE = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(?:\.\d{3})?Z$/;
const forbiddenKeyFragments = Object.freeze([
"password",
"secret",
"credential",
"authorization",
"privatekey",
"bearertoken",
]);
export function normalizeChannelEnvelope(input, options = {}) {
assertPlainObject(input, "device_edge_channel_envelope");
const direction = normalizeDirection(options.direction);
const maxEnvelopeBytes = normalizeLimit(
options.maxEnvelopeBytes,
DEVICE_EDGE_CHANNEL_LIMITS.maxEnvelopeBytes,
);
const allowedKeys = new Set([
"schemaVersion",
"edgeRegistrationId",
"channelGeneration",
"trackerSessionId",
"adapterProfileRef",
"sequence",
"eventAt",
"receivedAt",
"payloadBytes",
"messageKind",
"correlationId",
"payload",
]);
rejectUnexpectedKeys(input, allowedKeys);
rejectForbiddenKeys(input);
if (input.schemaVersion !== DEVICE_EDGE_CHANNEL_SCHEMA) {
throw new TypeError("device_edge_channel_schema_invalid");
}
const allowedKinds = direction === "edge-to-core"
? EDGE_TO_CORE_MESSAGE_KINDS
: CORE_TO_EDGE_MESSAGE_KINDS;
if (!allowedKinds.includes(input.messageKind)) {
throw new TypeError("device_edge_channel_message_kind_invalid");
}
const sequence = Number(input.sequence);
if (!Number.isSafeInteger(sequence) || sequence < 1) {
throw new TypeError("device_edge_channel_sequence_invalid");
}
assertJsonValue(input.payload, 0);
const payload = cloneJsonValue(input.payload);
const payloadBytes = Buffer.byteLength(JSON.stringify(payload), "utf8");
if (payloadBytes > maxEnvelopeBytes) {
throw new TypeError("device_edge_channel_payload_too_large");
}
if (Number(input.payloadBytes) !== payloadBytes) {
throw new TypeError("device_edge_channel_payload_length_mismatch");
}
const normalized = {
schemaVersion: DEVICE_EDGE_CHANNEL_SCHEMA,
edgeRegistrationId: normalizeRef(
input.edgeRegistrationId,
"edge_registration_id",
),
channelGeneration: normalizeRef(
input.channelGeneration,
"channel_generation",
),
trackerSessionId: normalizeRef(
input.trackerSessionId,
"tracker_session_id",
),
adapterProfileRef: normalizeRef(
input.adapterProfileRef,
"adapter_profile_ref",
),
sequence,
eventAt: normalizeTimestamp(input.eventAt, "event_at"),
receivedAt: normalizeTimestamp(input.receivedAt, "received_at"),
payloadBytes,
messageKind: input.messageKind,
correlationId: normalizeRef(input.correlationId, "correlation_id"),
payload,
};
return deepFreeze(normalized);
}
export function createChannelEnvelope(fields, options = {}) {
assertPlainObject(fields, "device_edge_channel_fields");
const payload = fields.payload ?? {};
assertJsonValue(payload, 0);
const clonedPayload = cloneJsonValue(payload);
return normalizeChannelEnvelope({
...fields,
schemaVersion: DEVICE_EDGE_CHANNEL_SCHEMA,
payloadBytes: Buffer.byteLength(JSON.stringify(clonedPayload), "utf8"),
payload: clonedPayload,
}, options);
}
export function encodeChannelEnvelope(envelope, options = {}) {
const normalized = normalizeChannelEnvelope(envelope, options);
const encoded = Buffer.from(`${JSON.stringify(normalized)}\n`, "utf8");
const maxEnvelopeBytes = normalizeLimit(
options.maxEnvelopeBytes,
DEVICE_EDGE_CHANNEL_LIMITS.maxEnvelopeBytes,
);
if (encoded.length > maxEnvelopeBytes) {
throw new TypeError("device_edge_channel_envelope_too_large");
}
return encoded;
}
export function createChannelEnvelopeDecoder(options = {}) {
const direction = normalizeDirection(options.direction);
const maxEnvelopeBytes = normalizeLimit(
options.maxEnvelopeBytes,
DEVICE_EDGE_CHANNEL_LIMITS.maxEnvelopeBytes,
);
let buffered = Buffer.alloc(0);
return Object.freeze({
push(chunk) {
if (!Buffer.isBuffer(chunk) && !(chunk instanceof Uint8Array)) {
throw new TypeError("device_edge_channel_chunk_invalid");
}
let incoming = Buffer.from(chunk);
const envelopes = [];
while (incoming.length > 0) {
const newlineIndex = incoming.indexOf(0x0a);
if (newlineIndex < 0) {
if (buffered.length + incoming.length > maxEnvelopeBytes) {
throw new TypeError("device_edge_channel_envelope_too_large");
}
buffered = buffered.length === 0
? incoming
: Buffer.concat([buffered, incoming]);
break;
}
if (buffered.length + newlineIndex === 0) {
throw new TypeError("device_edge_channel_envelope_empty");
}
if (buffered.length + newlineIndex + 1 > maxEnvelopeBytes) {
throw new TypeError("device_edge_channel_envelope_too_large");
}
const segment = incoming.subarray(0, newlineIndex);
const line = buffered.length === 0
? segment
: Buffer.concat([buffered, segment]);
buffered = Buffer.alloc(0);
incoming = incoming.subarray(newlineIndex + 1);
let parsed;
try {
parsed = JSON.parse(line.toString("utf8"));
} catch {
throw new TypeError("device_edge_channel_envelope_json_invalid");
}
envelopes.push(normalizeChannelEnvelope(parsed, {
direction,
maxEnvelopeBytes,
}));
}
return envelopes;
},
finish() {
if (buffered.length !== 0) {
throw new TypeError("device_edge_channel_envelope_truncated");
}
},
bufferedBytes() {
return buffered.length;
},
});
}
export function normalizeCertificateFingerprint(value) {
const compact = String(value || "").replaceAll(":", "").toUpperCase();
if (!/^[A-F0-9]{64}$/.test(compact)) {
throw new TypeError("device_edge_channel_certificate_fingerprint_invalid");
}
return compact.match(/.{2}/g).join(":");
}
export function normalizeCertificateIdentities(value) {
if (!Array.isArray(value) || value.length < 1 || value.length > 2) {
throw new TypeError("device_edge_channel_certificate_identities_invalid");
}
const generations = new Set();
const fingerprints = new Set();
let activeCount = 0;
const identities = value.map((identity) => {
assertPlainObject(identity, "device_edge_channel_certificate_identity");
rejectUnexpectedKeys(
identity,
new Set(["generationRef", "fingerprint", "status"]),
);
if (!["active", "staged"].includes(identity.status)) {
throw new TypeError("device_edge_channel_certificate_identity_status_invalid");
}
if (identity.status === "active") activeCount += 1;
const generationRef = normalizeRef(
identity.generationRef,
"certificate_generation_ref",
);
const fingerprint = normalizeCertificateFingerprint(identity.fingerprint);
if (generations.has(generationRef) || fingerprints.has(fingerprint)) {
throw new TypeError("device_edge_channel_certificate_identity_duplicate");
}
generations.add(generationRef);
fingerprints.add(fingerprint);
return Object.freeze({
generationRef,
fingerprint,
status: identity.status,
});
});
if (activeCount !== 1) {
throw new TypeError("device_edge_channel_active_certificate_identity_invalid");
}
return Object.freeze(identities);
}
export function nextReconnectDelay(attempt, options = {}) {
const normalizedAttempt = Number(attempt);
if (!Number.isSafeInteger(normalizedAttempt) || normalizedAttempt < 0) {
throw new TypeError("device_edge_channel_reconnect_attempt_invalid");
}
const minimumMs = normalizeReconnectDuration(
options.minimumMs,
DEVICE_EDGE_CHANNEL_LIMITS.reconnectMinimumMs,
);
const maximumMs = normalizeReconnectDuration(
options.maximumMs,
DEVICE_EDGE_CHANNEL_LIMITS.reconnectMaximumMs,
);
if (maximumMs < minimumMs) {
throw new TypeError("device_edge_channel_reconnect_range_invalid");
}
const random = options.random ?? Math.random;
if (typeof random !== "function") {
throw new TypeError("device_edge_channel_random_invalid");
}
const ceiling = Math.min(maximumMs, minimumMs * (2 ** normalizedAttempt));
const floor = Math.max(minimumMs, Math.floor(ceiling / 2));
const sample = Number(random());
if (!Number.isFinite(sample) || sample < 0 || sample > 1) {
throw new TypeError("device_edge_channel_random_invalid");
}
return Math.floor(floor + ((ceiling - floor) * sample));
}
function normalizeReconnectDuration(value, fallback) {
const number = value == null ? fallback : Number(value);
if (!Number.isSafeInteger(number) || number < 10 || number > 120_000) {
throw new TypeError("device_edge_channel_reconnect_duration_invalid");
}
return number;
}
function normalizeDirection(value) {
if (!['edge-to-core', 'core-to-edge'].includes(value)) {
throw new TypeError("device_edge_channel_direction_invalid");
}
return value;
}
function normalizeLimit(value, fallback) {
const number = value == null ? fallback : Number(value);
if (!Number.isSafeInteger(number) || number < 256 || number > 4 * 1024 * 1024) {
throw new TypeError("device_edge_channel_limit_invalid");
}
return number;
}
function normalizeRef(value, field) {
if (typeof value !== "string" || !OPAQUE_REF_RE.test(value)) {
throw new TypeError(`device_edge_channel_${field}_invalid`);
}
return value;
}
function normalizeTimestamp(value, field) {
if (typeof value !== "string" || !ISO_TIMESTAMP_RE.test(value)) {
throw new TypeError(`device_edge_channel_${field}_invalid`);
}
const date = new Date(value);
if (!Number.isFinite(date.getTime())) {
throw new TypeError(`device_edge_channel_${field}_invalid`);
}
return date.toISOString();
}
function assertPlainObject(value, name) {
if (!value || typeof value !== "object" || Array.isArray(value)) {
throw new TypeError(`${name}_invalid`);
}
const prototype = Object.getPrototypeOf(value);
if (prototype !== Object.prototype && prototype !== null) {
throw new TypeError(`${name}_invalid`);
}
}
function rejectUnexpectedKeys(value, allowedKeys) {
for (const key of Object.keys(value)) {
if (!allowedKeys.has(key)) {
throw new TypeError(`device_edge_channel_field_unexpected:${key}`);
}
}
}
function rejectForbiddenKeys(value, depth = 0) {
if (depth > 16 || value == null || typeof value !== "object") return;
for (const [key, child] of Object.entries(value)) {
const compact = key.toLowerCase().replaceAll(/[^a-z0-9]/g, "");
if (forbiddenKeyFragments.some((fragment) => compact.includes(fragment))) {
throw new TypeError(`device_edge_channel_forbidden_field:${key}`);
}
rejectForbiddenKeys(child, depth + 1);
}
}
function assertJsonValue(value, depth) {
if (depth > 16) {
throw new TypeError("device_edge_channel_payload_depth_invalid");
}
if (value == null || typeof value === "string" || typeof value === "boolean") {
return;
}
if (typeof value === "number" && Number.isFinite(value)) return;
if (Array.isArray(value)) {
for (const child of value) assertJsonValue(child, depth + 1);
return;
}
assertPlainObject(value, "device_edge_channel_payload");
for (const child of Object.values(value)) {
assertJsonValue(child, depth + 1);
}
}
function cloneJsonValue(value) {
return JSON.parse(JSON.stringify(value));
}
function deepFreeze(value) {
if (!value || typeof value !== "object" || Object.isFrozen(value)) {
return value;
}
Object.freeze(value);
for (const child of Object.values(value)) deepFreeze(child);
return value;
}
@@ -0,0 +1,106 @@
import assert from "node:assert/strict";
import test from "node:test";
import {
createChannelEnvelope,
createChannelEnvelopeDecoder,
encodeChannelEnvelope,
nextReconnectDelay,
normalizeCertificateIdentities,
normalizeChannelEnvelope,
} from "../src/index.mjs";
const now = "2026-08-11T12:00:00.000Z";
function envelope(overrides = {}) {
return createChannelEnvelope({
edgeRegistrationId: "edge:pilot-1",
channelGeneration: "generation:pilot-1",
trackerSessionId: "channel:control",
adapterProfileRef: "channel.control.v1",
sequence: 1,
eventAt: now,
receivedAt: now,
messageKind: "channel.hello",
correlationId: "correlation:hello-1",
payload: { status: "ready" },
...overrides,
}, { direction: "edge-to-core" });
}
test("round-trips a bounded versioned Edge envelope", () => {
const decoder = createChannelEnvelopeDecoder({ direction: "edge-to-core" });
const encoded = encodeChannelEnvelope(envelope(), {
direction: "edge-to-core",
});
const split = Math.floor(encoded.length / 2);
assert.deepEqual(decoder.push(encoded.subarray(0, split)), []);
assert.deepEqual(decoder.push(encoded.subarray(split)), [envelope()]);
assert.equal(decoder.bufferedBytes(), 0);
decoder.finish();
});
test("fails closed on unknown kinds, payload mismatches and oversized frames", () => {
const valid = envelope();
assert.throws(() => normalizeChannelEnvelope({
...valid,
messageKind: "tcp.forward",
}, { direction: "edge-to-core" }), /message_kind_invalid/);
assert.throws(() => normalizeChannelEnvelope({
...valid,
payloadBytes: valid.payloadBytes + 1,
}, { direction: "edge-to-core" }), /payload_length_mismatch/);
const decoder = createChannelEnvelopeDecoder({
direction: "edge-to-core",
maxEnvelopeBytes: 256,
});
assert.throws(() => decoder.push(Buffer.alloc(257, 0x61)), /envelope_too_large/);
});
test("uses bounded jittered exponential reconnect delays", () => {
assert.equal(nextReconnectDelay(0, {
minimumMs: 1000,
maximumMs: 30_000,
random: () => 1,
}), 1000);
assert.equal(nextReconnectDelay(5, {
minimumMs: 1000,
maximumMs: 30_000,
random: () => 1,
}), 30_000);
assert.equal(nextReconnectDelay(5, {
minimumMs: 1000,
maximumMs: 30_000,
random: () => 0,
}), 15_000);
});
test("allows exactly one active and at most one staged certificate generation", () => {
const activeFingerprint = "AA:".repeat(31) + "AA";
const stagedFingerprint = "BB:".repeat(31) + "BB";
const identities = normalizeCertificateIdentities([
{
generationRef: "trust-generation:1",
fingerprint: activeFingerprint,
status: "active",
},
{
generationRef: "trust-generation:2",
fingerprint: stagedFingerprint,
status: "staged",
},
]);
assert.equal(identities.length, 2);
assert.equal(identities[0].status, "active");
assert.equal(identities[1].status, "staged");
assert.throws(() => normalizeCertificateIdentities([
{ ...identities[0], status: "staged" },
identities[1],
]), /active_certificate_identity_invalid/);
assert.throws(() => normalizeCertificateIdentities([
identities[0],
{ ...identities[1], status: "active" },
]), /active_certificate_identity_invalid/);
});
@@ -0,0 +1,15 @@
{
"name": "@nodedc/device-protocol-contract",
"version": "0.1.0",
"private": true,
"type": "module",
"exports": {
".": "./src/index.mjs"
},
"scripts": {
"test": "node --test test/*.test.mjs"
},
"engines": {
"node": ">=20"
}
}
@@ -0,0 +1,530 @@
import { createHmac } from "node:crypto";
export const DEVICE_DISCOVERY_SIGNAL_SCHEMA =
"nodedc.device.discovery-signal.v1";
export const DEVICE_DISCOVERY_VIEW_SCHEMA =
"nodedc.device.discovery-view.v1";
export const DEVICE_PLANE_BINDING_SCHEMA =
"nodedc.device-plane-control.binding.v1";
export const DEVICE_ADAPTER_MESSAGE_SCHEMA =
"nodedc.device-adapter-message.v1";
export const DEVICE_ADAPTER_MESSAGE_VIEW_SCHEMA =
"nodedc.device-adapter-message-view.v1";
export const DEVICE_ADAPTER_ACCEPTANCE_SCHEMA =
"nodedc.device-adapter-acceptance.v1";
export const DEVICE_LIFECYCLE_STATES = Object.freeze([
"quarantine",
"claimed",
"online",
"offline",
"retired",
]);
export const DEVICE_BINDING_CAPABILITIES = Object.freeze([
"observe",
"inspect",
"configure",
"command",
]);
const OPAQUE_REF_RE = /^[A-Za-z0-9][A-Za-z0-9._:-]{0,127}$/;
const IMEI_RE = /^\d{15}$/;
const IDENTIFIER_VALUE_RE = /^[A-Za-z0-9][A-Za-z0-9._:+\/-]{3,127}$/;
const DIGEST_RE = /^hmac-sha256:[a-f0-9]{64}$/;
const SHA256_DIGEST_RE = /^sha256:[a-f0-9]{64}$/;
const IDENTIFIER_KIND_RE = /^[a-z][a-z0-9._:-]{1,63}$/;
const forbiddenKeyFragments = Object.freeze([
"password",
"secret",
"credential",
"rawpayload",
"rawpacket",
"command",
"authorization",
"token",
]);
const safeStatusKeys = new Set([
"commandtransport",
]);
export function normalizeDiscoverySignal(input) {
assertPlainObject(input, "discovery_signal");
rejectForbiddenKeys(input);
if (input.schemaVersion !== DEVICE_DISCOVERY_SIGNAL_SCHEMA) {
throw new TypeError("discovery_signal_schema_invalid");
}
const sessionRef = normalizeOpaqueRef(input.sessionRef, "session_ref");
const routeRef = input.routeRef == null
? undefined
: normalizeEntityRef(input.routeRef, "route", "route_ref");
const modelProfileRef = normalizeOpaqueRef(
input.modelProfileRef,
"model_profile_ref",
);
const protocol = normalizeUpperToken(input.protocol, "protocol");
const observedAt = normalizeTimestamp(input.observedAt, "observed_at");
const identifier = normalizeRestrictedIdentifier(input.identifier);
const evidence = normalizeDiscoveryEvidence(input.evidence);
return Object.freeze({
schemaVersion: DEVICE_DISCOVERY_SIGNAL_SCHEMA,
sessionRef,
...(routeRef ? { routeRef } : {}),
modelProfileRef,
protocol,
observedAt,
identifier,
evidence,
lifecycleState: "quarantine",
commandTransport: "disabled",
});
}
export function normalizeAdapterMessage(input, { maxBytes = 1024 * 1024 } = {}) {
assertPlainObject(input, "device_adapter_message");
const allowedKeys = new Set([
"schemaVersion",
"edgeRef",
"adapterRef",
"protocolProfileRef",
"protocol",
"sessionRef",
"routeRef",
"messageRef",
"messageType",
"sequence",
"observedAt",
"idempotencyKey",
"identifier",
"payloadSchemaRef",
"payload",
]);
rejectUnexpectedKeys(input, allowedKeys, "device_adapter_message_field_unexpected");
rejectForbiddenKeys(input);
if (input.schemaVersion !== DEVICE_ADAPTER_MESSAGE_SCHEMA) {
throw new TypeError("device_adapter_message_schema_invalid");
}
const normalizedMaxBytes = normalizeByteLimit(maxBytes);
const serializedBytes = Buffer.byteLength(JSON.stringify(input), "utf8");
if (serializedBytes > normalizedMaxBytes) {
throw new TypeError("device_adapter_message_too_large");
}
const sequence = Number(input.sequence);
if (!Number.isSafeInteger(sequence) || sequence < 1) {
throw new TypeError("device_adapter_message_sequence_invalid");
}
assertPlainObject(input.payload, "device_adapter_message_payload");
assertJsonValue(input.payload, 0);
return deepFreeze({
schemaVersion: DEVICE_ADAPTER_MESSAGE_SCHEMA,
edgeRef: normalizeOpaqueRef(input.edgeRef, "edge_ref"),
adapterRef: normalizeAdapterRef(input.adapterRef),
protocolProfileRef: normalizeOpaqueRef(
input.protocolProfileRef,
"protocol_profile_ref",
),
protocol: normalizeUpperToken(input.protocol, "protocol"),
sessionRef: normalizeOpaqueRef(input.sessionRef, "session_ref"),
...(input.routeRef == null
? {}
: { routeRef: normalizeEntityRef(input.routeRef, "route", "route_ref") }),
messageRef: normalizeOpaqueRef(input.messageRef, "message_ref"),
messageType: normalizeLowerToken(input.messageType, "message_type"),
sequence,
observedAt: normalizeTimestamp(input.observedAt, "observed_at"),
idempotencyKey: normalizeSha256Digest(
input.idempotencyKey,
"idempotency_key",
),
identifier: normalizeRestrictedIdentifier(input.identifier),
payloadSchemaRef: normalizeOpaqueRef(
input.payloadSchemaRef,
"payload_schema_ref",
),
payload: cloneJsonValue(input.payload),
});
}
export function toSafeAdapterMessageView(message) {
const normalized = normalizeAdapterMessage(message);
return deepFreeze({
schemaVersion: DEVICE_ADAPTER_MESSAGE_VIEW_SCHEMA,
edgeRef: normalized.edgeRef,
adapterRef: normalized.adapterRef,
protocolProfileRef: normalized.protocolProfileRef,
protocol: normalized.protocol,
sessionRef: normalized.sessionRef,
...(normalized.routeRef ? { routeRef: normalized.routeRef } : {}),
messageRef: normalized.messageRef,
messageType: normalized.messageType,
sequence: normalized.sequence,
observedAt: normalized.observedAt,
idempotencyKey: normalized.idempotencyKey,
identifier: normalizeRestrictedIdentifierProjection({
kind: normalized.identifier.kind,
masked: maskRestrictedIdentifier(normalized.identifier),
}),
payloadSchemaRef: normalized.payloadSchemaRef,
payload: normalized.payload,
});
}
export function normalizeAdapterAcceptance(input) {
assertPlainObject(input, "device_adapter_acceptance");
const allowedKeys = new Set([
"schemaVersion",
"acceptanceRef",
"idempotencyKey",
"status",
"replayed",
"acceptedAt",
]);
rejectUnexpectedKeys(input, allowedKeys, "device_adapter_acceptance_field_unexpected");
if (input.schemaVersion !== DEVICE_ADAPTER_ACCEPTANCE_SCHEMA) {
throw new TypeError("device_adapter_acceptance_schema_invalid");
}
if (input.status !== "accepted") {
throw new TypeError("device_adapter_acceptance_status_invalid");
}
if (typeof input.replayed !== "boolean") {
throw new TypeError("device_adapter_acceptance_replayed_invalid");
}
return Object.freeze({
schemaVersion: DEVICE_ADAPTER_ACCEPTANCE_SCHEMA,
acceptanceRef: normalizeOpaqueRef(input.acceptanceRef, "acceptance_ref"),
idempotencyKey: normalizeSha256Digest(
input.idempotencyKey,
"idempotency_key",
),
status: "accepted",
replayed: input.replayed,
acceptedAt: normalizeTimestamp(input.acceptedAt, "accepted_at"),
});
}
export function toSafeDiscoveryView(signal, options = {}) {
const normalized = normalizeDiscoverySignal(signal);
const discoveryRef = options.discoveryRef
? normalizeOpaqueRef(options.discoveryRef, "discovery_ref")
: undefined;
return Object.freeze({
schemaVersion: DEVICE_DISCOVERY_VIEW_SCHEMA,
...(discoveryRef ? { discoveryRef } : {}),
...(normalized.routeRef ? { routeRef: normalized.routeRef } : {}),
modelProfileRef: normalized.modelProfileRef,
protocol: normalized.protocol,
observedAt: normalized.observedAt,
lifecycleState: normalized.lifecycleState,
identifier: normalizeRestrictedIdentifierProjection({
kind: normalized.identifier.kind,
masked: maskRestrictedIdentifier(normalized.identifier),
}),
evidence: normalized.evidence,
commandTransport: "disabled",
});
}
export function hashRestrictedIdentifier(identifier, pepper) {
const normalized = normalizeRestrictedIdentifier(identifier);
if (typeof pepper !== "string" || pepper.length < 32) {
throw new TypeError("identifier_pepper_invalid");
}
const digest = createHmac("sha256", pepper)
.update(`${normalized.kind}\0${normalized.value}`, "utf8")
.digest("hex");
return `hmac-sha256:${digest}`;
}
export function assertIdentifierDigest(value) {
if (typeof value !== "string" || !DIGEST_RE.test(value)) {
throw new TypeError("identifier_digest_invalid");
}
return value;
}
export function normalizeRestrictedIdentifierProjection(input) {
assertPlainObject(input, "restricted_identifier_projection");
const allowedKeys = new Set(["kind", "masked"]);
for (const key of Object.keys(input)) {
if (!allowedKeys.has(key)) {
throw new TypeError(
`restricted_identifier_projection_field_unexpected:${key}`,
);
}
}
if (typeof input.kind !== "string" || !IDENTIFIER_KIND_RE.test(input.kind)) {
throw new TypeError("restricted_identifier_projection_kind_invalid");
}
if (
typeof input.masked !== "string"
|| input.masked.length < 5
|| input.masked.length > 128
|| !input.masked.includes("*")
|| /\u0000|[\u0001-\u001f\u007f]/.test(input.masked)
|| /\b\d{15}\b/.test(input.masked)
) {
throw new TypeError("restricted_identifier_projection_mask_invalid");
}
return Object.freeze({
kind: input.kind,
masked: input.masked,
});
}
export function normalizeRestrictedIdentifierRecord(input) {
assertPlainObject(input, "restricted_identifier_record");
const allowedKeys = new Set(["kind", "digest", "masked"]);
for (const key of Object.keys(input)) {
if (!allowedKeys.has(key)) {
throw new TypeError(
`restricted_identifier_record_field_unexpected:${key}`,
);
}
}
const projection = normalizeRestrictedIdentifierProjection({
kind: input.kind,
masked: input.masked,
});
return Object.freeze({
...projection,
digest: assertIdentifierDigest(input.digest),
});
}
export function normalizeDevicePlaneBinding(input) {
assertPlainObject(input, "device_plane_binding");
rejectForbiddenKeys(input);
if (input.schemaVersion !== DEVICE_PLANE_BINDING_SCHEMA) {
throw new TypeError("device_plane_binding_schema_invalid");
}
const allowed = new Set(DEVICE_BINDING_CAPABILITIES);
if (!Array.isArray(input.capabilities) || input.capabilities.length === 0) {
throw new TypeError("device_plane_binding_capabilities_invalid");
}
const capabilities = [...new Set(input.capabilities.map((value) => {
if (typeof value !== "string" || !allowed.has(value)) {
throw new TypeError("device_plane_binding_capability_invalid");
}
return value;
}))].sort();
return Object.freeze({
schemaVersion: DEVICE_PLANE_BINDING_SCHEMA,
bindingRef: normalizeOpaqueRef(input.bindingRef, "binding_ref"),
contourRef: normalizeOpaqueRef(input.contourRef, "contour_ref"),
capabilities: Object.freeze(capabilities),
});
}
export function assertSafeProjection(value) {
assertPlainObject(value, "safe_projection");
rejectForbiddenKeys(value);
const serialized = JSON.stringify(value);
if (/\b\d{15}\b/.test(serialized)) {
throw new TypeError("safe_projection_contains_unmasked_imei");
}
return value;
}
export function normalizeRestrictedIdentifier(input) {
assertPlainObject(input, "restricted_identifier");
rejectUnexpectedKeys(
input,
new Set(["kind", "value"]),
"restricted_identifier_field_unexpected",
);
if (typeof input.kind !== "string" || !IDENTIFIER_KIND_RE.test(input.kind)) {
throw new TypeError("restricted_identifier_kind_invalid");
}
if (input.kind === "imei" && !IMEI_RE.test(input.value)) {
throw new TypeError("restricted_identifier_imei_invalid");
}
if (
typeof input.value !== "string"
|| !IDENTIFIER_VALUE_RE.test(input.value)
) {
throw new TypeError("restricted_identifier_value_invalid");
}
return Object.freeze({ kind: input.kind, value: input.value });
}
export function maskRestrictedIdentifier(identifier) {
const normalized = normalizeRestrictedIdentifier(identifier);
if (normalized.kind === "imei") {
return `***********${normalized.value.slice(-4)}`;
}
const visible = normalized.value.slice(-4);
const maskedLength = Math.min(
124,
Math.max(4, normalized.value.length - visible.length),
);
return `${"*".repeat(maskedLength)}${visible}`;
}
function normalizeDiscoveryEvidence(input) {
assertPlainObject(input, "discovery_evidence");
rejectForbiddenKeys(input);
if (input.transport !== "tcp") {
throw new TypeError("discovery_evidence_transport_invalid");
}
const bytesObserved = Number(input.bytesObserved);
if (!Number.isSafeInteger(bytesObserved) || bytesObserved < 1 || bytesObserved > 4096) {
throw new TypeError("discovery_evidence_bytes_invalid");
}
if (input.framingStatus !== "verified") {
throw new TypeError("discovery_evidence_framing_unverified");
}
return Object.freeze({
transport: "tcp",
bytesObserved,
framingStatus: "verified",
specificationRef: normalizeOpaqueRef(
input.specificationRef,
"framing_specification_ref",
),
});
}
function rejectForbiddenKeys(value, path = "$") {
if (Array.isArray(value)) {
value.forEach((item, index) => rejectForbiddenKeys(item, `${path}[${index}]`));
return;
}
if (!value || typeof value !== "object") return;
for (const [key, child] of Object.entries(value)) {
const normalizedKey = key.toLowerCase().replace(/[^a-z0-9]/g, "");
if (
!safeStatusKeys.has(normalizedKey)
&& forbiddenKeyFragments.some((fragment) => normalizedKey.includes(fragment))
) {
throw new TypeError(`forbidden_device_field:${path}.${key}`);
}
rejectForbiddenKeys(child, `${path}.${key}`);
}
}
function rejectUnexpectedKeys(input, allowedKeys, errorCode) {
for (const key of Object.keys(input)) {
if (!allowedKeys.has(key)) throw new TypeError(`${errorCode}:${key}`);
}
}
function normalizeLowerToken(value, label) {
if (typeof value !== "string" || !/^[a-z][a-z0-9._-]{1,127}$/.test(value)) {
throw new TypeError(`${label}_invalid`);
}
return value;
}
function normalizeAdapterRef(value) {
if (typeof value !== "string" || !/^[a-z][a-z0-9-]{1,62}$/.test(value)) {
throw new TypeError("adapter_ref_invalid");
}
return value;
}
function normalizeSha256Digest(value, label) {
if (typeof value !== "string" || !SHA256_DIGEST_RE.test(value)) {
throw new TypeError(`${label}_invalid`);
}
return value;
}
function normalizeByteLimit(value) {
const parsed = Number(value);
if (!Number.isSafeInteger(parsed) || parsed < 1024 || parsed > 1024 * 1024) {
throw new TypeError("device_adapter_message_limit_invalid");
}
return parsed;
}
function assertJsonValue(value, depth) {
if (depth > 12) throw new TypeError("device_adapter_message_payload_too_deep");
if (value === null || typeof value === "boolean" || typeof value === "string") {
if (typeof value === "string" && value.length > 64 * 1024) {
throw new TypeError("device_adapter_message_payload_string_too_large");
}
return;
}
if (typeof value === "number") {
if (!Number.isFinite(value)) {
throw new TypeError("device_adapter_message_payload_number_invalid");
}
return;
}
if (Array.isArray(value)) {
if (value.length > 4096) {
throw new TypeError("device_adapter_message_payload_array_too_large");
}
value.forEach((item) => assertJsonValue(item, depth + 1));
return;
}
assertPlainObject(value, "device_adapter_message_payload");
if (Object.keys(value).length > 1024) {
throw new TypeError("device_adapter_message_payload_object_too_large");
}
for (const child of Object.values(value)) assertJsonValue(child, depth + 1);
}
function cloneJsonValue(value) {
return JSON.parse(JSON.stringify(value));
}
function normalizeOpaqueRef(value, label) {
if (typeof value !== "string" || !OPAQUE_REF_RE.test(value)) {
throw new TypeError(`${label}_invalid`);
}
return value;
}
function normalizeEntityRef(value, prefix, label) {
if (
typeof value !== "string"
|| !new RegExp(
`^${prefix}:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$`,
"i",
).test(value)
) {
throw new TypeError(`${label}_invalid`);
}
return value.toLowerCase();
}
function normalizeUpperToken(value, label) {
if (typeof value !== "string" || !/^[A-Z][A-Z0-9_]{0,31}$/.test(value)) {
throw new TypeError(`${label}_invalid`);
}
return value;
}
function normalizeTimestamp(value, label) {
if (typeof value !== "string") throw new TypeError(`${label}_invalid`);
const date = new Date(value);
if (!Number.isFinite(date.getTime()) || date.toISOString() !== value) {
throw new TypeError(`${label}_invalid`);
}
return value;
}
function assertPlainObject(value, label) {
if (!value || typeof value !== "object" || Array.isArray(value)) {
throw new TypeError(`${label}_invalid`);
}
}
function deepFreeze(value) {
if (!value || typeof value !== "object" || Object.isFrozen(value)) {
return value;
}
Object.values(value).forEach(deepFreeze);
return Object.freeze(value);
}
@@ -0,0 +1,265 @@
import assert from "node:assert/strict";
import test from "node:test";
import {
DEVICE_ADAPTER_ACCEPTANCE_SCHEMA,
DEVICE_ADAPTER_MESSAGE_SCHEMA,
DEVICE_DISCOVERY_SIGNAL_SCHEMA,
DEVICE_PLANE_BINDING_SCHEMA,
assertIdentifierDigest,
assertSafeProjection,
hashRestrictedIdentifier,
maskRestrictedIdentifier,
normalizeDevicePlaneBinding,
normalizeAdapterAcceptance,
normalizeAdapterMessage,
normalizeDiscoverySignal,
normalizeRestrictedIdentifier,
normalizeRestrictedIdentifierProjection,
normalizeRestrictedIdentifierRecord,
toSafeDiscoveryView,
toSafeAdapterMessageView,
} from "../src/index.mjs";
const fakeImei = "000000000000001";
const fakeSignal = {
schemaVersion: DEVICE_DISCOVERY_SIGNAL_SCHEMA,
sessionRef: "session:test-001",
modelProfileRef: "arusnavi.b2.internal.v1",
protocol: "INTERNAL",
observedAt: "2026-07-25T00:00:00.000Z",
identifier: {
kind: "imei",
value: fakeImei,
},
evidence: {
transport: "tcp",
bytesObserved: 128,
framingStatus: "verified",
specificationRef: "arusnavi.internal.framing.test-v1",
},
};
test("normalizes a verified discovery into quarantine with commands disabled", () => {
const signal = normalizeDiscoverySignal(fakeSignal);
assert.equal(signal.lifecycleState, "quarantine");
assert.equal(signal.commandTransport, "disabled");
assert.equal(signal.identifier.value, fakeImei);
});
test("safe discovery projection masks the restricted identifier", () => {
const view = toSafeDiscoveryView(fakeSignal, {
discoveryRef: "discovery:test-001",
});
const serialized = JSON.stringify(view);
assert.equal(view.identifier.masked, "***********0001");
assert.equal(serialized.includes(fakeImei), false);
assertSafeProjection(view);
});
test("route-bound discovery preserves only a validated opaque route reference", () => {
const routeRef = "route:11111111-1111-4111-8111-111111111111";
const signal = normalizeDiscoverySignal({ ...fakeSignal, routeRef });
const view = toSafeDiscoveryView(signal);
assert.equal(signal.routeRef, routeRef);
assert.equal(view.routeRef, routeRef);
assert.throws(
() => normalizeDiscoverySignal({ ...fakeSignal, routeRef: "route:generic" }),
/route_ref_invalid/,
);
});
test("identifier hashing requires a strong process-only pepper", () => {
const identifier = { kind: "imei", value: fakeImei };
assert.throws(
() => hashRestrictedIdentifier(identifier, "short"),
/identifier_pepper_invalid/,
);
const digest = hashRestrictedIdentifier(
identifier,
"test-only-pepper-with-at-least-32-bytes",
);
assertIdentifierDigest(digest);
assert.equal(digest.includes(fakeImei), false);
assert.equal(
digest,
hashRestrictedIdentifier(
identifier,
"test-only-pepper-with-at-least-32-bytes",
),
);
});
test("restricted identifier records keep digest internal and expose only a mask", () => {
const record = normalizeRestrictedIdentifierRecord({
kind: "vendor.serial",
digest: `hmac-sha256:${"a".repeat(64)}`,
masked: "********ABCD",
});
const projection = normalizeRestrictedIdentifierProjection({
kind: record.kind,
masked: record.masked,
});
assert.deepEqual(projection, {
kind: "vendor.serial",
masked: "********ABCD",
});
assert.equal("digest" in projection, false);
assertSafeProjection({ identifier: projection });
assert.throws(
() => normalizeRestrictedIdentifierProjection({
kind: "vendor.serial",
masked: "SERIAL-PLAINTEXT",
}),
/restricted_identifier_projection_mask_invalid/,
);
});
test("restricted identifiers support future adapter-defined hardware ids", () => {
const identifier = normalizeRestrictedIdentifier({
kind: "serial",
value: "SN-TRACKER-0001",
});
assert.deepEqual(identifier, {
kind: "serial",
value: "SN-TRACKER-0001",
});
assert.equal(maskRestrictedIdentifier(identifier), "***********0001");
assert.match(
hashRestrictedIdentifier(
identifier,
"test-only-pepper-with-at-least-32-bytes",
),
/^hmac-sha256:[a-f0-9]{64}$/,
);
});
test("rejects unverified framing and command-shaped discovery input", () => {
assert.throws(
() => normalizeDiscoverySignal({
...fakeSignal,
evidence: { ...fakeSignal.evidence, framingStatus: "unverified" },
}),
/discovery_evidence_framing_unverified/,
);
assert.throws(
() => normalizeDiscoverySignal({
...fakeSignal,
command: { kind: "restart" },
}),
/forbidden_device_field/,
);
});
test("rejects secret-like fields recursively", () => {
assert.throws(
() => normalizeDiscoverySignal({
...fakeSignal,
metadata: { devicePassword: "not-a-real-password" },
}),
/forbidden_device_field/,
);
});
test("normalizes an opaque Foundry control binding without device data", () => {
const binding = normalizeDevicePlaneBinding({
schemaVersion: DEVICE_PLANE_BINDING_SCHEMA,
bindingRef: "binding:test-001",
contourRef: "contour:robot2b-test",
capabilities: ["inspect", "observe", "observe"],
});
assert.deepEqual(binding.capabilities, ["inspect", "observe"]);
assertSafeProjection(binding);
});
test("normalizes a bounded typed adapter message and masks its identity", () => {
const message = {
schemaVersion: DEVICE_ADAPTER_MESSAGE_SCHEMA,
edgeRef: "edge:robot2b-vps-001",
adapterRef: "arusnavi-b2",
protocolProfileRef: "arusnavi.b2.internal.v1",
protocol: "INTERNAL",
sessionRef: "session:test-001",
routeRef: "route:11111111-1111-4111-8111-111111111111",
messageRef: "package:1:abc123",
messageType: "telemetry.package",
sequence: 1,
observedAt: "2026-08-11T12:00:00.000Z",
idempotencyKey: `sha256:${"a".repeat(64)}`,
identifier: { kind: "imei", value: fakeImei },
payloadSchemaRef: "arusnavi.internal.package-metadata.v1",
payload: {
packageNumber: 1,
packetCount: 1,
packageDigest: `sha256:${"b".repeat(64)}`,
},
};
const normalized = normalizeAdapterMessage(message);
const safe = toSafeAdapterMessageView(normalized);
assert.equal(normalized.identifier.value, fakeImei);
assert.equal(safe.identifier.masked, "***********0001");
assert.equal(JSON.stringify(safe).includes(fakeImei), false);
assertSafeProjection(safe);
});
test("rejects oversized, untyped and secret-shaped adapter messages", () => {
const base = {
schemaVersion: DEVICE_ADAPTER_MESSAGE_SCHEMA,
edgeRef: "edge:test",
adapterRef: "generic-tracker",
protocolProfileRef: "generic.tracker.v1",
protocol: "GENERIC",
sessionRef: "session:test",
messageRef: "message:1",
messageType: "telemetry.sample",
sequence: 1,
observedAt: "2026-08-11T12:00:00.000Z",
idempotencyKey: `sha256:${"a".repeat(64)}`,
identifier: { kind: "imei", value: fakeImei },
payloadSchemaRef: "generic.telemetry.v1",
payload: { value: 1 },
};
assert.throws(
() => normalizeAdapterMessage({ ...base, payload: "raw" }),
/device_adapter_message_payload_invalid/,
);
assert.throws(
() => normalizeAdapterMessage({
...base,
payload: { devicePassword: "forbidden" },
}),
/forbidden_device_field/,
);
assert.throws(
() => normalizeAdapterMessage({
...base,
payload: { value: "x".repeat(4096) },
}, { maxBytes: 1024 }),
/device_adapter_message_too_large/,
);
assert.throws(
() => normalizeAdapterMessage({
...base,
idempotencyKey: "message-not-a-digest",
}),
/idempotency_key_invalid/,
);
});
test("accepts only an explicit durable Core acceptance contract", () => {
const acceptance = normalizeAdapterAcceptance({
schemaVersion: DEVICE_ADAPTER_ACCEPTANCE_SCHEMA,
acceptanceRef: "acceptance:test-001",
idempotencyKey: `sha256:${"a".repeat(64)}`,
status: "accepted",
replayed: false,
acceptedAt: "2026-08-11T12:00:00.000Z",
});
assert.equal(acceptance.status, "accepted");
assert.throws(
() => normalizeAdapterAcceptance({ ...acceptance, status: "queued" }),
/device_adapter_acceptance_status_invalid/,
);
});
@@ -0,0 +1,123 @@
import assert from "node:assert/strict";
import { spawnSync } from "node:child_process";
import { readFile } from "node:fs/promises";
import { fileURLToPath } from "node:url";
import test from "node:test";
const contractUrl = new URL(
"../../../deployment/device-edge-core-channel-v1.json",
import.meta.url,
);
const freezeUrl = new URL(
"../../../deployment/superseded-vps-initiated-transport-v1.json",
import.meta.url,
);
const sourceAcceptanceUrl = new URL(
"../../../deployment/device-edge-core-channel-source-v1.json",
import.meta.url,
);
const edgeBuilder = fileURLToPath(new URL(
"../../../infra/deploy-runner/build-device-edge-vps-artifact.mjs",
import.meta.url,
));
const enrollmentBuilder = fileURLToPath(new URL(
"../../../infra/deploy-runner/build-device-plane-backhaul-vps-enrollment-artifact.mjs",
import.meta.url,
));
async function readJson(url) {
return JSON.parse(await readFile(url, "utf8"));
}
test("pins a Core-initiated mutually authenticated Edge channel", async () => {
const contract = await readJson(contractUrl);
assert.equal(contract.status, "accepted-design");
assert.equal(contract.direction, "device-gateway-core-initiated");
assert.equal(contract.transport.tls, "TLSv1.3-mutual-authentication");
assert.equal(contract.transport.genericTcpForwarding, "forbidden");
assert.equal(contract.networkBoundary.synologyPublicIngress, false);
assert.equal(contract.networkBoundary.vpsInitiatedSynologyConnection, false);
assert.equal(contract.networkBoundary.subnetRoutes, false);
assert.equal(contract.networkBoundary.exitNode, false);
assert.equal(contract.identity.privateKeysInArtifacts, false);
});
test("requires Core acceptance before acknowledging tracker packages", async () => {
const contract = await readJson(contractUrl);
assert.equal(
contract.acknowledgement.trackerPackageAck,
"only-after-bounded-core-acceptance",
);
assert.equal(
contract.acknowledgement.coreUnavailable,
"do-not-acknowledge-tracker-package",
);
assert.equal(contract.acknowledgement.deliverySemantics, "at-least-once");
assert.equal(contract.pilotLimits.durableEdgeSpool, false);
assert.ok(contract.pilotLimits.maxBufferedBytesPerTrackerSession <= 262144);
assert.ok(contract.pilotLimits.maxAggregateBufferedBytes <= 33554432);
assert.equal(contract.pilotSlo.trackerAckBeforeDurableCoreAcceptance, 0);
assert.equal(contract.pilotSlo.lossOfCoreAcceptedPackages, 0);
assert.ok(
contract.pilotSlo.edgeReceiveToCoreAcceptanceP99Milliseconds <= 5000,
);
assert.ok(contract.pilotSlo.deadCoreDetectionHardCeilingSeconds <= 45);
});
test("records source acceptance without opening an Edge or tracker port", async () => {
const acceptance = await readJson(sourceAcceptanceUrl);
assert.equal(acceptance.status, "source-accepted");
assert.equal(acceptance.transport.initiator, "device-gateway-core");
assert.equal(acceptance.transport.tls, "TLSv1.3-mutual-authentication");
assert.equal(acceptance.identity.privateKeysInSource, false);
assert.equal(acceptance.identity.privateKeysInArtifact, false);
assert.equal(
acceptance.identity.rotation,
"one-active-plus-one-staged-generation",
);
assert.equal(acceptance.identity.retiredFingerprint, "reject");
assert.equal(acceptance.runtime.mutationInThisTransition, false);
assert.equal(acceptance.runtime.edgePort8443Published, false);
assert.equal(acceptance.runtime.trackerPort9921Published, false);
assert.equal(acceptance.runtime.synologyPublicIngress, false);
assert.equal(acceptance.runtime.commandTransport, "disabled");
assert.equal(acceptance.runtime.gelios, "untouched");
});
test("freezes the VPS-initiated Tailscale and SSH backhaul", async () => {
const freeze = await readJson(freezeUrl);
assert.equal(freeze.status, "frozen");
assert.equal(freeze.successor, "nodedc.device-edge.core-channel.v1");
assert.equal(freeze.runtimeMutationInPhase0, false);
assert.ok(freeze.forbiddenForNewPlanOrApply.includes(
"nodedc.device-plane.backhaul-vps-enrollment.v1",
));
assert.ok(freeze.forbiddenForNewPlanOrApply.includes(
"tailscale-userspace-key-only-ssh-local-forward",
));
});
test("superseded artifact builders fail closed outside test-only reconstruction", () => {
const environment = { ...process.env };
delete environment.NODEDC_ALLOW_SUPERSEDED_TRANSPORT;
const edge = spawnSync(
process.execPath,
[edgeBuilder, "backhaul", "superseded-backhaul-unit"],
{ encoding: "utf8", env: environment },
);
assert.notEqual(edge.status, 0);
assert.match(edge.stderr, /vps_initiated_transport_frozen:ADR-0001/);
const enrollment = spawnSync(
process.execPath,
[enrollmentBuilder, "superseded-enrollment-unit"],
{ encoding: "utf8", env: environment },
);
assert.notEqual(enrollment.status, 0);
assert.match(enrollment.stderr, /vps_initiated_transport_frozen:ADR-0001/);
});