Code Queue Review
488 lines
14 KiB
JavaScript
488 lines
14 KiB
JavaScript
import { createServer } from "node:http";
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import { randomUUID } from "node:crypto";
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import { DEV_ENDPOINT, ENVIRONMENT_DEV, ERROR_CODES } from "../protocol/index.mjs";
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import {
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AUDIT_FIELD_NAMES,
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CLOUD_API_SERVICE_ID,
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createAuditRecord
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} from "../audit/index.mjs";
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import {
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SUPPORTED_RPC_METHODS,
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createErrorEnvelope,
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handleJsonRpcRequest
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} from "./json-rpc.mjs";
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import { describeCodeAgentAvailability, handleCodeAgentChat } from "./code-agent-chat.mjs";
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import { buildDbRuntimeReadiness } from "./db-contract.mjs";
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import { buildCloudApiReadiness } from "./health-contract.mjs";
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import {
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M3_IO_CONTROL_ROUTE,
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describeM3IoControl,
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handleM3IoControl
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} from "./m3-io-control.mjs";
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import { createConfiguredCloudRuntimeStore } from "../db/runtime-store.mjs";
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const DEFAULT_BODY_LIMIT_BYTES = 1024 * 1024;
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export function createCloudApiServer(options = {}) {
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const env = options.env ?? process.env;
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const runtimeStore = options.runtimeStore || createConfiguredCloudRuntimeStore({ ...options, env });
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return createServer(async (request, response) => {
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try {
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await routeRequest(request, response, { ...options, env, runtimeStore });
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} catch (error) {
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sendJson(response, 500, {
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error: {
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code: "internal_error",
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message: "hwlab-cloud-api request handling failed",
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reason: error.message
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}
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});
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}
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});
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}
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export async function buildHealthPayload(options = {}) {
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const serviceId = CLOUD_API_SERVICE_ID;
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const env = options.env ?? process.env;
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const commitId = process.env.HWLAB_COMMIT_ID || process.env.HWLAB_GIT_SHA || "unknown";
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const imageReference = process.env.HWLAB_IMAGE || "unknown";
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const imageTag = process.env.HWLAB_IMAGE_TAG || commitId.slice(0, 7) || "unknown";
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const db = await buildDbRuntimeReadiness(env, options.dbProbe);
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const codeAgent = describeCodeAgentAvailability(env, options);
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const runtime = await runtimeReadiness(options.runtimeStore ?? createConfiguredCloudRuntimeStore({ ...options, env }));
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const readiness = buildCloudApiReadiness({ db, codeAgent, runtime });
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return {
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serviceId,
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environment: ENVIRONMENT_DEV,
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status: readiness.status,
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ready: readiness.ready,
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readiness,
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blockers: readiness.blockers,
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blockerCodes: readiness.blockerCodes,
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service: {
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id: serviceId,
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role: "cloud-api",
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healthPath: "/health",
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livePath: "/health/live"
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},
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commit: {
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id: commitId,
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source: process.env.HWLAB_BUILD_SOURCE || "runtime-env"
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},
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image: {
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reference: imageReference,
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tag: imageTag,
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digest: process.env.HWLAB_IMAGE_DIGEST || "unknown"
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},
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endpoint: process.env.HWLAB_PUBLIC_ENDPOINT || DEV_ENDPOINT,
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observedAt: new Date().toISOString(),
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db,
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codeAgent,
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runtime
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};
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}
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async function routeRequest(request, response, options) {
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const url = new URL(request.url || "/", "http://hwlab-cloud-api.local");
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if (request.method === "GET" && (url.pathname === "/health" || url.pathname === "/health/live")) {
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sendJson(response, 200, await buildHealthPayload(options));
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return;
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}
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if (request.method === "GET" && url.pathname === "/live") {
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sendJson(response, 200, {
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serviceId: CLOUD_API_SERVICE_ID,
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status: "live"
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});
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return;
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}
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if (request.method === "POST" && (url.pathname === "/rpc" || url.pathname === "/json-rpc")) {
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await handleRpcHttpRequest(request, response, options);
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return;
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}
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if (url.pathname === "/v1" || url.pathname.startsWith("/v1/")) {
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await handleRestAdapter(request, response, url, options);
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return;
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}
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sendRestError(request, response, 404, "not_found", "Route is not part of the L1 cloud-api runtime", {
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operation: `${request.method || "GET"} ${url.pathname}`,
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target: {
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type: "route",
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id: url.pathname
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}
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});
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}
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async function handleRpcHttpRequest(request, response, options) {
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const body = await readBody(request, options.bodyLimitBytes);
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let envelope;
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try {
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envelope = body ? JSON.parse(body) : {};
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} catch (error) {
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sendJson(
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response,
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400,
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createErrorEnvelope({
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id: "req_unassigned",
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code: ERROR_CODES.parseError,
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message: "Invalid JSON body",
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data: {
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reason: error.message
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},
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context: {
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operation: "json_rpc.parse",
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target: {
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type: "http_route",
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id: request.url || "/rpc"
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},
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result: "rejected"
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}
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})
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);
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return;
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}
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const rpcResponse = await handleJsonRpcRequest(envelope, {
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adapter: "json-rpc",
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runtimeStore: options.runtimeStore,
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env: options.env,
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dbProbe: options.dbProbe
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});
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sendJson(response, statusForRpcResponse(rpcResponse), rpcResponse);
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}
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async function handleRestAdapter(request, response, url, options) {
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if (request.method === "GET" && url.pathname === "/v1") {
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const db = await buildDbRuntimeReadiness(options.env ?? process.env, options.dbProbe);
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const codeAgent = describeCodeAgentAvailability(options.env ?? process.env, options);
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const runtime = await runtimeReadiness(options.runtimeStore);
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const readiness = buildCloudApiReadiness({ db, codeAgent, runtime });
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sendJson(response, 200, {
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serviceId: CLOUD_API_SERVICE_ID,
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adapter: "rest",
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status: readiness.status,
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ready: readiness.ready,
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rpcBridge: "POST /v1/rpc/{method}",
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codeAgent,
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methods: SUPPORTED_RPC_METHODS,
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auditFields: AUDIT_FIELD_NAMES,
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db,
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runtime,
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readiness,
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blockers: readiness.blockers,
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blockerCodes: readiness.blockerCodes,
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m3IoControl: describeM3IoControl(options)
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});
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return;
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}
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if (request.method === "GET" && url.pathname === M3_IO_CONTROL_ROUTE) {
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sendJson(response, 200, describeM3IoControl(options));
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return;
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}
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if (request.method === "POST" && url.pathname === M3_IO_CONTROL_ROUTE) {
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await handleM3IoControlHttp(request, response, options);
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return;
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}
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if (request.method === "POST" && url.pathname === "/v1/agent/chat") {
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await handleCodeAgentChatHttp(request, response, options);
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return;
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}
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if (request.method !== "POST" || !url.pathname.startsWith("/v1/rpc/")) {
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sendRestError(request, response, 404, "not_found", "REST route is not implemented in the L1 cloud-api runtime", {
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operation: `${request.method || "GET"} ${url.pathname}`,
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target: {
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type: "route",
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id: url.pathname
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}
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});
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return;
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}
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const method = decodeURIComponent(url.pathname.slice("/v1/rpc/".length));
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const body = await readBody(request, options.bodyLimitBytes);
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let params = {};
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try {
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params = body ? JSON.parse(body) : {};
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} catch (error) {
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sendRestError(request, response, 400, "parse_error", "Invalid JSON body", {
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operation: method,
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target: {
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type: "rpc_method",
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id: method
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},
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result: "rejected",
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reason: error.message
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});
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return;
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}
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if (!params || typeof params !== "object" || Array.isArray(params)) {
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sendRestError(request, response, 400, "invalid_params", "REST RPC bridge body must be a JSON object", {
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operation: method,
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target: {
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type: "rpc_method",
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id: method
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},
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result: "rejected"
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});
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return;
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}
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const rpcResponse = await handleJsonRpcRequest(
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{
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jsonrpc: "2.0",
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id: getHeader(request, "x-request-id") || `req_${randomUUID()}`,
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method,
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params,
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meta: {
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traceId: getHeader(request, "x-trace-id") || `trc_${randomUUID()}`,
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actorId: getHeader(request, "x-actor-id"),
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serviceId: getHeader(request, "x-source-service-id") || CLOUD_API_SERVICE_ID,
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environment: ENVIRONMENT_DEV
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}
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},
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{
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adapter: "rest",
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runtimeStore: options.runtimeStore,
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env: options.env,
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dbProbe: options.dbProbe
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}
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);
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sendJson(response, statusForRpcResponse(rpcResponse), rpcResponse);
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}
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async function handleCodeAgentChatHttp(request, response, options) {
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const body = await readBody(request, options.bodyLimitBytes);
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let params = {};
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try {
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params = body ? JSON.parse(body) : {};
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} catch (error) {
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sendJson(response, 400, {
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conversationId: "cnv_unassigned",
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sessionId: "cnv_unassigned",
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messageId: "msg_unassigned",
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status: "failed",
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createdAt: new Date().toISOString(),
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updatedAt: new Date().toISOString(),
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traceId: getHeader(request, "x-trace-id") || "trc_unassigned",
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provider: "unassigned",
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model: process.env.HWLAB_CODE_AGENT_MODEL || process.env.OPENAI_MODEL || "unknown",
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backend: "hwlab-cloud-api/code-agent-chat",
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error: {
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code: "parse_error",
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message: "Invalid JSON body",
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reason: error.message
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}
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});
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return;
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}
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if (!params || typeof params !== "object" || Array.isArray(params)) {
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sendJson(response, 400, {
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conversationId: "cnv_unassigned",
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sessionId: "cnv_unassigned",
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messageId: "msg_unassigned",
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status: "failed",
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createdAt: new Date().toISOString(),
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updatedAt: new Date().toISOString(),
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traceId: getHeader(request, "x-trace-id") || "trc_unassigned",
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provider: "unassigned",
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model: process.env.HWLAB_CODE_AGENT_MODEL || process.env.OPENAI_MODEL || "unknown",
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backend: "hwlab-cloud-api/code-agent-chat",
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error: {
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code: "invalid_params",
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message: "Code Agent chat body must be a JSON object"
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}
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});
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return;
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}
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const payload = await handleCodeAgentChat(
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{
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...params,
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traceId: getHeader(request, "x-trace-id") || params.traceId
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},
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{
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callProvider: options.callCodeAgentProvider,
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timeoutMs: options.codeAgentTimeoutMs,
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env: options.env
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}
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);
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sendJson(response, payload.status === "failed" && payload.error?.code === "invalid_params" ? 400 : 200, payload);
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}
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async function handleM3IoControlHttp(request, response, options) {
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const body = await readBody(request, options.bodyLimitBytes);
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let params = {};
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try {
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params = body ? JSON.parse(body) : {};
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} catch (error) {
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sendJson(response, 400, {
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serviceId: CLOUD_API_SERVICE_ID,
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contractVersion: "m3-io-control-v1",
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status: "blocked",
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accepted: false,
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traceId: getHeader(request, "x-trace-id") || "trc_unassigned",
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error: {
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code: "parse_error",
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message: "Invalid JSON body",
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reason: error.message
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}
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});
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return;
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}
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if (!params || typeof params !== "object" || Array.isArray(params)) {
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sendJson(response, 400, {
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serviceId: CLOUD_API_SERVICE_ID,
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contractVersion: "m3-io-control-v1",
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status: "blocked",
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accepted: false,
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traceId: getHeader(request, "x-trace-id") || "trc_unassigned",
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error: {
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code: "invalid_params",
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message: "M3 IO control body must be a JSON object"
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}
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});
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return;
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}
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try {
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const payload = await handleM3IoControl(
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{
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...params,
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traceId: getHeader(request, "x-trace-id") || params.traceId,
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requestId: getHeader(request, "x-request-id") || params.requestId,
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actorId: getHeader(request, "x-actor-id") || params.actorId
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},
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{
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runtimeStore: options.runtimeStore,
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env: options.env,
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requestJson: options.m3IoRequestJson,
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traceId: getHeader(request, "x-trace-id"),
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requestId: getHeader(request, "x-request-id"),
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actorId: getHeader(request, "x-actor-id")
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}
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);
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sendJson(response, payload.httpStatus ?? 200, payload);
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} catch (error) {
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const protocolCode = Number.isInteger(error?.code) ? error.code : ERROR_CODES.internalError;
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sendJson(response, protocolCode === ERROR_CODES.invalidParams ? 400 : 200, {
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serviceId: CLOUD_API_SERVICE_ID,
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contractVersion: "m3-io-control-v1",
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status: "blocked",
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accepted: false,
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traceId: getHeader(request, "x-trace-id") || params.traceId || "trc_unassigned",
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error: {
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code: protocolCode,
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message: error.message,
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data: error.data ?? {}
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}
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});
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}
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}
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function sendRestError(request, response, statusCode, code, message, context = {}) {
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const requestId = getHeader(request, "x-request-id") || "req_unassigned";
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sendJson(response, statusCode, {
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error: {
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code,
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message,
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reason: context.reason,
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audit: createAuditRecord({
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requestId,
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actor: {
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type: "user",
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id: getHeader(request, "x-actor-id") || `system_${CLOUD_API_SERVICE_ID}`
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},
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source: {
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serviceId: CLOUD_API_SERVICE_ID,
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environment: ENVIRONMENT_DEV,
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traceId: getHeader(request, "x-trace-id"),
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adapter: "rest"
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},
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operation: context.operation || `${request.method || "GET"} ${request.url || "/"}`,
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target: context.target || {
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type: "route",
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id: request.url || "/"
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},
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result: context.result || "failed"
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})
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}
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});
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}
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function statusForRpcResponse(rpcResponse) {
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if (!rpcResponse.error) {
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return 200;
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}
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if (rpcResponse.error.code === ERROR_CODES.invalidRequest || rpcResponse.error.code === ERROR_CODES.parseError) {
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return 400;
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}
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if (rpcResponse.error.code === ERROR_CODES.methodNotFound) {
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return 404;
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}
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return 200;
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}
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function readBody(request, limitBytes = DEFAULT_BODY_LIMIT_BYTES) {
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const limit = Number.isInteger(limitBytes) && limitBytes > 0 ? limitBytes : DEFAULT_BODY_LIMIT_BYTES;
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return new Promise((resolve, reject) => {
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let body = "";
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request.setEncoding("utf8");
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request.on("data", (chunk) => {
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body += chunk;
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if (Buffer.byteLength(body, "utf8") > limit) {
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request.destroy(new Error(`request body exceeds ${limit} bytes`));
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}
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});
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request.on("end", () => resolve(body));
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request.on("error", reject);
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});
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}
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function sendJson(response, statusCode, body) {
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response.writeHead(statusCode, {
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"content-type": "application/json; charset=utf-8",
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"cache-control": "no-store"
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});
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response.end(`${JSON.stringify(body)}\n`);
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}
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function getHeader(request, name) {
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const value = request.headers[name.toLowerCase()];
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if (Array.isArray(value)) {
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return value[0];
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}
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return value;
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}
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async function runtimeReadiness(runtimeStore) {
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if (typeof runtimeStore?.readiness === "function") {
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return runtimeStore.readiness();
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}
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return runtimeStore.summary();
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}
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