Files
clawdbot/src/gateway/server/ws-connection/message-handler.ts
2026-01-25 12:47:17 +00:00

890 lines
33 KiB
TypeScript

import type { IncomingMessage } from "node:http";
import os from "node:os";
import type { WebSocket } from "ws";
import {
deriveDeviceIdFromPublicKey,
normalizeDevicePublicKeyBase64Url,
verifyDeviceSignature,
} from "../../../infra/device-identity.js";
import {
approveDevicePairing,
ensureDeviceToken,
getPairedDevice,
requestDevicePairing,
updatePairedDeviceMetadata,
verifyDeviceToken,
} from "../../../infra/device-pairing.js";
import { updatePairedNodeMetadata } from "../../../infra/node-pairing.js";
import { recordRemoteNodeInfo, refreshRemoteNodeBins } from "../../../infra/skills-remote.js";
import { loadVoiceWakeConfig } from "../../../infra/voicewake.js";
import { upsertPresence } from "../../../infra/system-presence.js";
import { rawDataToString } from "../../../infra/ws.js";
import type { createSubsystemLogger } from "../../../logging/subsystem.js";
import { isGatewayCliClient, isWebchatClient } from "../../../utils/message-channel.js";
import type { ResolvedGatewayAuth } from "../../auth.js";
import { authorizeGatewayConnect } from "../../auth.js";
import { loadConfig } from "../../../config/config.js";
import { buildDeviceAuthPayload } from "../../device-auth.js";
import { isLocalGatewayAddress, resolveGatewayClientIp } from "../../net.js";
import { resolveNodeCommandAllowlist } from "../../node-command-policy.js";
import {
type ConnectParams,
ErrorCodes,
type ErrorShape,
errorShape,
formatValidationErrors,
PROTOCOL_VERSION,
type RequestFrame,
validateConnectParams,
validateRequestFrame,
} from "../../protocol/index.js";
import { GATEWAY_CLIENT_IDS } from "../../protocol/client-info.js";
import { MAX_BUFFERED_BYTES, MAX_PAYLOAD_BYTES, TICK_INTERVAL_MS } from "../../server-constants.js";
import type { GatewayRequestContext, GatewayRequestHandlers } from "../../server-methods/types.js";
import { handleGatewayRequest } from "../../server-methods.js";
import { formatError } from "../../server-utils.js";
import { formatForLog, logWs } from "../../ws-log.js";
import { truncateCloseReason } from "../close-reason.js";
import {
buildGatewaySnapshot,
getHealthCache,
getHealthVersion,
incrementPresenceVersion,
refreshGatewayHealthSnapshot,
} from "../health-state.js";
import type { GatewayWsClient } from "../ws-types.js";
type SubsystemLogger = ReturnType<typeof createSubsystemLogger>;
const DEVICE_SIGNATURE_SKEW_MS = 10 * 60 * 1000;
type AuthProvidedKind = "token" | "password" | "none";
function formatGatewayAuthFailureMessage(params: {
authMode: ResolvedGatewayAuth["mode"];
authProvided: AuthProvidedKind;
reason?: string;
client?: { id?: string | null; mode?: string | null };
}): string {
const { authMode, authProvided, reason, client } = params;
const isCli = isGatewayCliClient(client);
const isControlUi = client?.id === GATEWAY_CLIENT_IDS.CONTROL_UI;
const isWebchat = isWebchatClient(client);
const uiHint = "open a tokenized dashboard URL or paste token in Control UI settings";
const tokenHint = isCli
? "set gateway.remote.token to match gateway.auth.token"
: isControlUi || isWebchat
? uiHint
: "provide gateway auth token";
const passwordHint = isCli
? "set gateway.remote.password to match gateway.auth.password"
: isControlUi || isWebchat
? "enter the password in Control UI settings"
: "provide gateway auth password";
switch (reason) {
case "token_missing":
return `unauthorized: gateway token missing (${tokenHint})`;
case "token_mismatch":
return `unauthorized: gateway token mismatch (${tokenHint})`;
case "token_missing_config":
return "unauthorized: gateway token not configured on gateway (set gateway.auth.token)";
case "password_missing":
return `unauthorized: gateway password missing (${passwordHint})`;
case "password_mismatch":
return `unauthorized: gateway password mismatch (${passwordHint})`;
case "password_missing_config":
return "unauthorized: gateway password not configured on gateway (set gateway.auth.password)";
case "tailscale_user_missing":
return "unauthorized: tailscale identity missing (use Tailscale Serve auth or gateway token/password)";
case "tailscale_proxy_missing":
return "unauthorized: tailscale proxy headers missing (use Tailscale Serve or gateway token/password)";
default:
break;
}
if (authMode === "token" && authProvided === "none") {
return `unauthorized: gateway token missing (${tokenHint})`;
}
if (authMode === "password" && authProvided === "none") {
return `unauthorized: gateway password missing (${passwordHint})`;
}
return "unauthorized";
}
export function attachGatewayWsMessageHandler(params: {
socket: WebSocket;
upgradeReq: IncomingMessage;
connId: string;
remoteAddr?: string;
forwardedFor?: string;
realIp?: string;
requestHost?: string;
requestOrigin?: string;
requestUserAgent?: string;
canvasHostUrl?: string;
connectNonce: string;
resolvedAuth: ResolvedGatewayAuth;
gatewayMethods: string[];
events: string[];
extraHandlers: GatewayRequestHandlers;
buildRequestContext: () => GatewayRequestContext;
send: (obj: unknown) => void;
close: (code?: number, reason?: string) => void;
isClosed: () => boolean;
clearHandshakeTimer: () => void;
getClient: () => GatewayWsClient | null;
setClient: (next: GatewayWsClient) => void;
setHandshakeState: (state: "pending" | "connected" | "failed") => void;
setCloseCause: (cause: string, meta?: Record<string, unknown>) => void;
setLastFrameMeta: (meta: { type?: string; method?: string; id?: string }) => void;
logGateway: SubsystemLogger;
logHealth: SubsystemLogger;
logWsControl: SubsystemLogger;
}) {
const {
socket,
upgradeReq,
connId,
remoteAddr,
forwardedFor,
realIp,
requestHost,
requestOrigin,
requestUserAgent,
canvasHostUrl,
connectNonce,
resolvedAuth,
gatewayMethods,
events,
extraHandlers,
buildRequestContext,
send,
close,
isClosed,
clearHandshakeTimer,
getClient,
setClient,
setHandshakeState,
setCloseCause,
setLastFrameMeta,
logGateway,
logHealth,
logWsControl,
} = params;
const configSnapshot = loadConfig();
const trustedProxies = configSnapshot.gateway?.trustedProxies ?? [];
const clientIp = resolveGatewayClientIp({ remoteAddr, forwardedFor, realIp, trustedProxies });
const isLocalClient = isLocalGatewayAddress(clientIp);
const isWebchatConnect = (p: ConnectParams | null | undefined) => isWebchatClient(p?.client);
socket.on("message", async (data) => {
if (isClosed()) return;
const text = rawDataToString(data);
try {
const parsed = JSON.parse(text);
const frameType =
parsed && typeof parsed === "object" && "type" in parsed
? typeof (parsed as { type?: unknown }).type === "string"
? String((parsed as { type?: unknown }).type)
: undefined
: undefined;
const frameMethod =
parsed && typeof parsed === "object" && "method" in parsed
? typeof (parsed as { method?: unknown }).method === "string"
? String((parsed as { method?: unknown }).method)
: undefined
: undefined;
const frameId =
parsed && typeof parsed === "object" && "id" in parsed
? typeof (parsed as { id?: unknown }).id === "string"
? String((parsed as { id?: unknown }).id)
: undefined
: undefined;
if (frameType || frameMethod || frameId) {
setLastFrameMeta({ type: frameType, method: frameMethod, id: frameId });
}
const client = getClient();
if (!client) {
// Handshake must be a normal request:
// { type:"req", method:"connect", params: ConnectParams }.
const isRequestFrame = validateRequestFrame(parsed);
if (
!isRequestFrame ||
(parsed as RequestFrame).method !== "connect" ||
!validateConnectParams((parsed as RequestFrame).params)
) {
const handshakeError = isRequestFrame
? (parsed as RequestFrame).method === "connect"
? `invalid connect params: ${formatValidationErrors(validateConnectParams.errors)}`
: "invalid handshake: first request must be connect"
: "invalid request frame";
setHandshakeState("failed");
setCloseCause("invalid-handshake", {
frameType,
frameMethod,
frameId,
handshakeError,
});
if (isRequestFrame) {
const req = parsed as RequestFrame;
send({
type: "res",
id: req.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, handshakeError),
});
} else {
logWsControl.warn(
`invalid handshake conn=${connId} remote=${remoteAddr ?? "?"} fwd=${forwardedFor ?? "n/a"} origin=${requestOrigin ?? "n/a"} host=${requestHost ?? "n/a"} ua=${requestUserAgent ?? "n/a"}`,
);
}
const closeReason = truncateCloseReason(handshakeError || "invalid handshake");
if (isRequestFrame) {
queueMicrotask(() => close(1008, closeReason));
} else {
close(1008, closeReason);
}
return;
}
const frame = parsed as RequestFrame;
const connectParams = frame.params as ConnectParams;
const clientLabel = connectParams.client.displayName ?? connectParams.client.id;
// protocol negotiation
const { minProtocol, maxProtocol } = connectParams;
if (maxProtocol < PROTOCOL_VERSION || minProtocol > PROTOCOL_VERSION) {
setHandshakeState("failed");
logWsControl.warn(
`protocol mismatch conn=${connId} remote=${remoteAddr ?? "?"} client=${clientLabel} ${connectParams.client.mode} v${connectParams.client.version}`,
);
setCloseCause("protocol-mismatch", {
minProtocol,
maxProtocol,
expectedProtocol: PROTOCOL_VERSION,
client: connectParams.client.id,
clientDisplayName: connectParams.client.displayName,
mode: connectParams.client.mode,
version: connectParams.client.version,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, "protocol mismatch", {
details: { expectedProtocol: PROTOCOL_VERSION },
}),
});
close(1002, "protocol mismatch");
return;
}
const roleRaw = connectParams.role ?? "operator";
const role = roleRaw === "operator" || roleRaw === "node" ? roleRaw : null;
if (!role) {
setHandshakeState("failed");
setCloseCause("invalid-role", {
role: roleRaw,
client: connectParams.client.id,
clientDisplayName: connectParams.client.displayName,
mode: connectParams.client.mode,
version: connectParams.client.version,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, "invalid role"),
});
close(1008, "invalid role");
return;
}
const requestedScopes = Array.isArray(connectParams.scopes) ? connectParams.scopes : [];
const scopes =
requestedScopes.length > 0
? requestedScopes
: role === "operator"
? ["operator.admin"]
: [];
connectParams.role = role;
connectParams.scopes = scopes;
const device = connectParams.device;
let devicePublicKey: string | null = null;
const hasTokenAuth = Boolean(connectParams.auth?.token);
const hasPasswordAuth = Boolean(connectParams.auth?.password);
const hasSharedAuth = hasTokenAuth || hasPasswordAuth;
const isControlUi = connectParams.client.id === GATEWAY_CLIENT_IDS.CONTROL_UI;
const allowInsecureControlUi =
isControlUi && configSnapshot.gateway?.controlUi?.allowInsecureAuth === true;
if (!device) {
const canSkipDevice = allowInsecureControlUi ? hasSharedAuth : hasTokenAuth;
if (isControlUi && !allowInsecureControlUi) {
const errorMessage = "control ui requires HTTPS or localhost (secure context)";
setHandshakeState("failed");
setCloseCause("control-ui-insecure-auth", {
client: connectParams.client.id,
clientDisplayName: connectParams.client.displayName,
mode: connectParams.client.mode,
version: connectParams.client.version,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, errorMessage),
});
close(1008, errorMessage);
return;
}
// Allow token-authenticated connections (e.g., control-ui) to skip device identity
if (!canSkipDevice) {
setHandshakeState("failed");
setCloseCause("device-required", {
client: connectParams.client.id,
clientDisplayName: connectParams.client.displayName,
mode: connectParams.client.mode,
version: connectParams.client.version,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.NOT_PAIRED, "device identity required"),
});
close(1008, "device identity required");
return;
}
}
if (device) {
const derivedId = deriveDeviceIdFromPublicKey(device.publicKey);
if (!derivedId || derivedId !== device.id) {
setHandshakeState("failed");
setCloseCause("device-auth-invalid", {
reason: "device-id-mismatch",
client: connectParams.client.id,
deviceId: device.id,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, "device identity mismatch"),
});
close(1008, "device identity mismatch");
return;
}
const signedAt = device.signedAt;
if (
typeof signedAt !== "number" ||
Math.abs(Date.now() - signedAt) > DEVICE_SIGNATURE_SKEW_MS
) {
setHandshakeState("failed");
setCloseCause("device-auth-invalid", {
reason: "device-signature-stale",
client: connectParams.client.id,
deviceId: device.id,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, "device signature expired"),
});
close(1008, "device signature expired");
return;
}
const nonceRequired = !isLocalClient;
const providedNonce = typeof device.nonce === "string" ? device.nonce.trim() : "";
if (nonceRequired && !providedNonce) {
setHandshakeState("failed");
setCloseCause("device-auth-invalid", {
reason: "device-nonce-missing",
client: connectParams.client.id,
deviceId: device.id,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, "device nonce required"),
});
close(1008, "device nonce required");
return;
}
if (providedNonce && providedNonce !== connectNonce) {
setHandshakeState("failed");
setCloseCause("device-auth-invalid", {
reason: "device-nonce-mismatch",
client: connectParams.client.id,
deviceId: device.id,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, "device nonce mismatch"),
});
close(1008, "device nonce mismatch");
return;
}
const payload = buildDeviceAuthPayload({
deviceId: device.id,
clientId: connectParams.client.id,
clientMode: connectParams.client.mode,
role,
scopes: requestedScopes,
signedAtMs: signedAt,
token: connectParams.auth?.token ?? null,
nonce: providedNonce || undefined,
version: providedNonce ? "v2" : "v1",
});
const signatureOk = verifyDeviceSignature(device.publicKey, payload, device.signature);
const allowLegacy = !nonceRequired && !providedNonce;
if (!signatureOk && allowLegacy) {
const legacyPayload = buildDeviceAuthPayload({
deviceId: device.id,
clientId: connectParams.client.id,
clientMode: connectParams.client.mode,
role,
scopes: requestedScopes,
signedAtMs: signedAt,
token: connectParams.auth?.token ?? null,
version: "v1",
});
if (verifyDeviceSignature(device.publicKey, legacyPayload, device.signature)) {
// accepted legacy loopback signature
} else {
setHandshakeState("failed");
setCloseCause("device-auth-invalid", {
reason: "device-signature",
client: connectParams.client.id,
deviceId: device.id,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, "device signature invalid"),
});
close(1008, "device signature invalid");
return;
}
} else if (!signatureOk) {
setHandshakeState("failed");
setCloseCause("device-auth-invalid", {
reason: "device-signature",
client: connectParams.client.id,
deviceId: device.id,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, "device signature invalid"),
});
close(1008, "device signature invalid");
return;
}
devicePublicKey = normalizeDevicePublicKeyBase64Url(device.publicKey);
if (!devicePublicKey) {
setHandshakeState("failed");
setCloseCause("device-auth-invalid", {
reason: "device-public-key",
client: connectParams.client.id,
deviceId: device.id,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, "device public key invalid"),
});
close(1008, "device public key invalid");
return;
}
}
const authResult = await authorizeGatewayConnect({
auth: resolvedAuth,
connectAuth: connectParams.auth,
req: upgradeReq,
trustedProxies,
});
let authOk = authResult.ok;
let authMethod = authResult.method ?? "none";
if (!authOk && connectParams.auth?.token && device) {
const tokenCheck = await verifyDeviceToken({
deviceId: device.id,
token: connectParams.auth.token,
role,
scopes,
});
if (tokenCheck.ok) {
authOk = true;
authMethod = "device-token";
}
}
if (!authOk) {
setHandshakeState("failed");
logWsControl.warn(
`unauthorized conn=${connId} remote=${remoteAddr ?? "?"} client=${clientLabel} ${connectParams.client.mode} v${connectParams.client.version} reason=${authResult.reason ?? "unknown"}`,
);
const authProvided: AuthProvidedKind = connectParams.auth?.token
? "token"
: connectParams.auth?.password
? "password"
: "none";
const authMessage = formatGatewayAuthFailureMessage({
authMode: resolvedAuth.mode,
authProvided,
reason: authResult.reason,
client: connectParams.client,
});
setCloseCause("unauthorized", {
authMode: resolvedAuth.mode,
authProvided,
authReason: authResult.reason,
allowTailscale: resolvedAuth.allowTailscale,
client: connectParams.client.id,
clientDisplayName: connectParams.client.displayName,
mode: connectParams.client.mode,
version: connectParams.client.version,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.INVALID_REQUEST, authMessage),
});
close(1008, truncateCloseReason(authMessage));
return;
}
const skipPairing = allowInsecureControlUi && hasSharedAuth;
if (device && devicePublicKey && !skipPairing) {
const requirePairing = async (reason: string, _paired?: { deviceId: string }) => {
const pairing = await requestDevicePairing({
deviceId: device.id,
publicKey: devicePublicKey,
displayName: connectParams.client.displayName,
platform: connectParams.client.platform,
clientId: connectParams.client.id,
clientMode: connectParams.client.mode,
role,
scopes,
remoteIp: clientIp,
silent: isLocalClient,
});
const context = buildRequestContext();
if (pairing.request.silent === true) {
const approved = await approveDevicePairing(pairing.request.requestId);
if (approved) {
logGateway.info(
`device pairing auto-approved device=${approved.device.deviceId} role=${approved.device.role ?? "unknown"}`,
);
context.broadcast(
"device.pair.resolved",
{
requestId: pairing.request.requestId,
deviceId: approved.device.deviceId,
decision: "approved",
ts: Date.now(),
},
{ dropIfSlow: true },
);
}
} else if (pairing.created) {
context.broadcast("device.pair.requested", pairing.request, { dropIfSlow: true });
}
if (pairing.request.silent !== true) {
setHandshakeState("failed");
setCloseCause("pairing-required", {
deviceId: device.id,
requestId: pairing.request.requestId,
reason,
});
send({
type: "res",
id: frame.id,
ok: false,
error: errorShape(ErrorCodes.NOT_PAIRED, "pairing required", {
details: { requestId: pairing.request.requestId },
}),
});
close(1008, "pairing required");
return false;
}
return true;
};
const paired = await getPairedDevice(device.id);
const isPaired = paired?.publicKey === devicePublicKey;
if (!isPaired) {
const ok = await requirePairing("not-paired");
if (!ok) return;
} else {
const allowedRoles = new Set(
Array.isArray(paired.roles) ? paired.roles : paired.role ? [paired.role] : [],
);
if (allowedRoles.size === 0) {
const ok = await requirePairing("role-upgrade", paired);
if (!ok) return;
} else if (!allowedRoles.has(role)) {
const ok = await requirePairing("role-upgrade", paired);
if (!ok) return;
}
const pairedScopes = Array.isArray(paired.scopes) ? paired.scopes : [];
if (scopes.length > 0) {
if (pairedScopes.length === 0) {
const ok = await requirePairing("scope-upgrade", paired);
if (!ok) return;
} else {
const allowedScopes = new Set(pairedScopes);
const missingScope = scopes.find((scope) => !allowedScopes.has(scope));
if (missingScope) {
const ok = await requirePairing("scope-upgrade", paired);
if (!ok) return;
}
}
}
await updatePairedDeviceMetadata(device.id, {
displayName: connectParams.client.displayName,
platform: connectParams.client.platform,
clientId: connectParams.client.id,
clientMode: connectParams.client.mode,
role,
scopes,
remoteIp: clientIp,
});
}
}
const deviceToken = device
? await ensureDeviceToken({ deviceId: device.id, role, scopes })
: null;
if (role === "node") {
const cfg = loadConfig();
const allowlist = resolveNodeCommandAllowlist(cfg, {
platform: connectParams.client.platform,
deviceFamily: connectParams.client.deviceFamily,
});
const declared = Array.isArray(connectParams.commands) ? connectParams.commands : [];
const filtered = declared
.map((cmd) => cmd.trim())
.filter((cmd) => cmd.length > 0 && allowlist.has(cmd));
connectParams.commands = filtered;
}
const shouldTrackPresence = !isGatewayCliClient(connectParams.client);
const clientId = connectParams.client.id;
const instanceId = connectParams.client.instanceId;
const presenceKey = shouldTrackPresence
? (connectParams.device?.id ?? instanceId ?? connId)
: undefined;
logWs("in", "connect", {
connId,
client: connectParams.client.id,
clientDisplayName: connectParams.client.displayName,
version: connectParams.client.version,
mode: connectParams.client.mode,
clientId,
platform: connectParams.client.platform,
auth: authMethod,
});
if (isWebchatConnect(connectParams)) {
logWsControl.info(
`webchat connected conn=${connId} remote=${remoteAddr ?? "?"} client=${clientLabel} ${connectParams.client.mode} v${connectParams.client.version}`,
);
}
if (presenceKey) {
upsertPresence(presenceKey, {
host: connectParams.client.displayName ?? connectParams.client.id ?? os.hostname(),
ip: isLocalClient ? undefined : clientIp,
version: connectParams.client.version,
platform: connectParams.client.platform,
deviceFamily: connectParams.client.deviceFamily,
modelIdentifier: connectParams.client.modelIdentifier,
mode: connectParams.client.mode,
deviceId: connectParams.device?.id,
roles: [role],
scopes,
instanceId: connectParams.device?.id ?? instanceId,
reason: "connect",
});
incrementPresenceVersion();
}
const snapshot = buildGatewaySnapshot();
const cachedHealth = getHealthCache();
if (cachedHealth) {
snapshot.health = cachedHealth;
snapshot.stateVersion.health = getHealthVersion();
}
const helloOk = {
type: "hello-ok",
protocol: PROTOCOL_VERSION,
server: {
version: process.env.CLAWDBOT_VERSION ?? process.env.npm_package_version ?? "dev",
commit: process.env.GIT_COMMIT,
host: os.hostname(),
connId,
},
features: { methods: gatewayMethods, events },
snapshot,
canvasHostUrl,
auth: deviceToken
? {
deviceToken: deviceToken.token,
role: deviceToken.role,
scopes: deviceToken.scopes,
issuedAtMs: deviceToken.rotatedAtMs ?? deviceToken.createdAtMs,
}
: undefined,
policy: {
maxPayload: MAX_PAYLOAD_BYTES,
maxBufferedBytes: MAX_BUFFERED_BYTES,
tickIntervalMs: TICK_INTERVAL_MS,
},
};
clearHandshakeTimer();
const nextClient: GatewayWsClient = {
socket,
connect: connectParams,
connId,
presenceKey,
};
setClient(nextClient);
setHandshakeState("connected");
if (role === "node") {
const context = buildRequestContext();
const nodeSession = context.nodeRegistry.register(nextClient, { remoteIp: clientIp });
const instanceIdRaw = connectParams.client.instanceId;
const instanceId = typeof instanceIdRaw === "string" ? instanceIdRaw.trim() : "";
const nodeIdsForPairing = new Set<string>([nodeSession.nodeId]);
if (instanceId) nodeIdsForPairing.add(instanceId);
for (const nodeId of nodeIdsForPairing) {
void updatePairedNodeMetadata(nodeId, {
lastConnectedAtMs: nodeSession.connectedAtMs,
}).catch((err) =>
logGateway.warn(`failed to record last connect for ${nodeId}: ${formatForLog(err)}`),
);
}
recordRemoteNodeInfo({
nodeId: nodeSession.nodeId,
displayName: nodeSession.displayName,
platform: nodeSession.platform,
deviceFamily: nodeSession.deviceFamily,
commands: nodeSession.commands,
remoteIp: nodeSession.remoteIp,
});
void refreshRemoteNodeBins({
nodeId: nodeSession.nodeId,
platform: nodeSession.platform,
deviceFamily: nodeSession.deviceFamily,
commands: nodeSession.commands,
cfg: loadConfig(),
}).catch((err) =>
logGateway.warn(
`remote bin probe failed for ${nodeSession.nodeId}: ${formatForLog(err)}`,
),
);
void loadVoiceWakeConfig()
.then((cfg) => {
context.nodeRegistry.sendEvent(nodeSession.nodeId, "voicewake.changed", {
triggers: cfg.triggers,
});
})
.catch((err) =>
logGateway.warn(
`voicewake snapshot failed for ${nodeSession.nodeId}: ${formatForLog(err)}`,
),
);
}
logWs("out", "hello-ok", {
connId,
methods: gatewayMethods.length,
events: events.length,
presence: snapshot.presence.length,
stateVersion: snapshot.stateVersion.presence,
});
send({ type: "res", id: frame.id, ok: true, payload: helloOk });
void refreshGatewayHealthSnapshot({ probe: true }).catch((err) =>
logHealth.error(`post-connect health refresh failed: ${formatError(err)}`),
);
return;
}
// After handshake, accept only req frames
if (!validateRequestFrame(parsed)) {
send({
type: "res",
id: (parsed as { id?: unknown })?.id ?? "invalid",
ok: false,
error: errorShape(
ErrorCodes.INVALID_REQUEST,
`invalid request frame: ${formatValidationErrors(validateRequestFrame.errors)}`,
),
});
return;
}
const req = parsed as RequestFrame;
logWs("in", "req", { connId, id: req.id, method: req.method });
const respond = (
ok: boolean,
payload?: unknown,
error?: ErrorShape,
meta?: Record<string, unknown>,
) => {
send({ type: "res", id: req.id, ok, payload, error });
logWs("out", "res", {
connId,
id: req.id,
ok,
method: req.method,
errorCode: error?.code,
errorMessage: error?.message,
...meta,
});
};
void (async () => {
await handleGatewayRequest({
req,
respond,
client,
isWebchatConnect,
extraHandlers,
context: buildRequestContext(),
});
})().catch((err) => {
logGateway.error(`request handler failed: ${formatForLog(err)}`);
respond(false, undefined, errorShape(ErrorCodes.UNAVAILABLE, formatForLog(err)));
});
} catch (err) {
logGateway.error(`parse/handle error: ${String(err)}`);
logWs("out", "parse-error", { connId, error: formatForLog(err) });
if (!getClient()) {
close();
}
}
});
}