Files
pi-car-companion/server/src/app.ts
T

750 lines
28 KiB
TypeScript

import { createReadStream, existsSync, statSync } from "node:fs";
import { extname, resolve } from "node:path";
import { fileURLToPath } from "node:url";
import argon2 from "argon2";
import cookie from "@fastify/cookie";
import rateLimit from "@fastify/rate-limit";
import websocket from "@fastify/websocket";
import Fastify, { type FastifyInstance, type FastifyReply, type FastifyRequest } from "fastify";
import { z } from "zod";
import type { AppConfig } from "./config.js";
import { openDatabase, type CompanionDatabase } from "./database.js";
import { JobRunner } from "./jobs.js";
import {
clientAddress,
CSRF_COOKIE,
hashToken,
randomToken,
safeEqual,
SESSION_COOKIE
} from "./security.js";
import { collectSystemStatus } from "./status.js";
import { readNetworkActivity } from "./network-activity.js";
import { readUpdateStatus, triggerSystemUpdate } from "./update.js";
import {
hotspotConfigurationSchema,
networkActionSchema,
readNetworkStatus,
requestHotspotConfiguration,
requestNetworkAction
} from "./network.js";
import {
collectAdbStatus,
installAdbApk,
launchAdbTarget,
listInstalledAdbPackages,
MAX_APK_BYTES
} from "./adb.js";
import { CarTelemetryRecorder, type TelemetryPeriod } from "./car-telemetry.js";
import { openShell } from "./shell.js";
import { systemPowerActionSchema, triggerSystemPower } from "./system.js";
import "./types.js";
const usernameSchema = z
.string()
.trim()
.min(3, "Username must contain at least 3 characters")
.max(48, "Username must contain at most 48 characters")
.regex(/^[a-zA-Z0-9][a-zA-Z0-9_.-]*$/, "Use letters, numbers, dots, hyphens, or underscores");
const loginCredentialsSchema = z.object({
username: usernameSchema,
password: z.string().min(1).max(256)
});
const setupCredentialsSchema = loginCredentialsSchema.extend({
password: z
.string()
.min(8, "Password must contain at least 8 characters")
.max(256)
.regex(/[A-Z]/, "Password must contain at least one uppercase letter")
.regex(/[0-9]/, "Password must contain at least one number")
});
const adbPackageNameSchema = z.string().trim().max(240).regex(
/^(?:[a-zA-Z][a-zA-Z0-9_]*\.)+[a-zA-Z][a-zA-Z0-9_]*$/,
"Enter a valid Android package name"
);
const adbComponentSchema = z.string().trim().max(240).regex(
/^(?:[a-zA-Z][a-zA-Z0-9_]*\.)+[a-zA-Z][a-zA-Z0-9_]*\/(?:\.|[a-zA-Z])[a-zA-Z0-9_.$]*$/,
"Enter a valid Android component"
);
const adbTargetSchema = z.discriminatedUnion("type", [
z.object({ type: z.literal("component"), value: adbComponentSchema }),
z.object({ type: z.literal("package"), value: adbPackageNameSchema })
]);
const adbShortcutSchema = z.object({ name: z.string().trim().min(1).max(48), type: z.enum(["component", "package"]), value: z.string() })
.transform((value, context) => {
const target = adbTargetSchema.safeParse({ type: value.type, value: value.value });
if (!target.success) {
context.addIssue({ code: "custom", message: target.error.issues[0]?.message ?? "Enter a valid Android target" });
return z.NEVER;
}
return { name: value.name, ...target.data };
});
type UserRow = { id: number; username: string; role: "admin"; password_hash: string };
type SessionUserRow = { id: number; username: string; role: "admin" };
function audit(
database: CompanionDatabase,
event: {
actorUserId?: number;
action: string;
result: "success" | "failure";
ipAddress?: string;
details?: Record<string, string | number | boolean>;
}
): void {
database
.prepare(
`INSERT INTO audit_events
(actor_user_id, action, result, ip_address, details_json, created_at)
VALUES (?, ?, ?, ?, ?, ?)`
)
.run(
event.actorUserId ?? null,
event.action,
event.result,
event.ipAddress ?? null,
JSON.stringify(event.details ?? {}),
new Date().toISOString()
);
}
function cookieOptions(config: AppConfig, httpOnly: boolean) {
return {
path: "/",
httpOnly,
sameSite: "strict" as const,
secure: config.cookieSecure
};
}
function requireUser(request: FastifyRequest, reply: FastifyReply): boolean {
if (request.authUser) return true;
void reply.code(401).send({ error: { code: "AUTH_REQUIRED", message: "Sign in to continue" } });
return false;
}
export async function buildApp(config: AppConfig): Promise<FastifyInstance> {
const app = Fastify({
logger:
config.nodeEnv === "test"
? false
: {
level: config.nodeEnv === "production" ? "info" : "debug",
redact: ["req.headers.cookie", "req.headers.authorization", "req.headers.x-csrf-token"]
}
});
const database = openDatabase(config.databasePath);
const jobRunner = new JobRunner(database, undefined, config.adb);
const carTelemetry = new CarTelemetryRecorder(database, config.adb);
if (config.adb.enabled) void collectAdbStatus(config.adb);
carTelemetry.start();
app.decorate("database", database);
app.decorate("jobRunner", jobRunner);
app.decorateRequest("authUser", null);
await app.register(cookie);
await app.register(rateLimit, { global: false });
await app.register(websocket);
app.addContentTypeParser(
["application/vnd.android.package-archive", "application/octet-stream"],
{ parseAs: "buffer" },
(_request, body, done) => done(null, body)
);
app.addHook("onClose", async () => {
carTelemetry.stop();
jobRunner.close();
database.close();
});
app.addHook("onSend", async (_request, reply) => {
reply.header("X-Content-Type-Options", "nosniff");
reply.header("Referrer-Policy", "no-referrer");
reply.header("X-Frame-Options", "DENY");
reply.header(
"Content-Security-Policy",
"default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; connect-src 'self'"
);
});
app.addHook("onRequest", async (request) => {
request.authUser = null;
const token = request.cookies[SESSION_COOKIE];
if (!token) return;
const now = new Date().toISOString();
const user = database
.prepare(
`SELECT users.id, users.username, users.role
FROM sessions JOIN users ON users.id = sessions.user_id
WHERE sessions.id_hash = ? AND sessions.expires_at > ?`
)
.get(hashToken(token), now) as SessionUserRow | undefined;
if (user) request.authUser = user;
});
app.addHook("preValidation", async (request, reply) => {
if (!["POST", "PUT", "PATCH", "DELETE"].includes(request.method)) return;
const origin = request.headers.origin;
let sameHostOrigin = false;
if (origin && request.headers.host) {
try {
const parsedOrigin = new URL(origin);
sameHostOrigin = ["http:", "https:"].includes(parsedOrigin.protocol) && parsedOrigin.host === request.headers.host;
} catch {
sameHostOrigin = false;
}
}
if (origin && !sameHostOrigin && !config.allowedOrigins.has(origin)) {
return reply.code(403).send({ error: { code: "ORIGIN_REJECTED", message: "Request origin is not trusted" } });
}
const cookieToken = request.cookies[CSRF_COOKIE];
const headerToken = request.headers["x-csrf-token"];
if (!cookieToken || typeof headerToken !== "string" || !safeEqual(cookieToken, headerToken)) {
return reply.code(403).send({ error: { code: "CSRF_REJECTED", message: "Refresh the page and try again" } });
}
});
app.get("/healthz", async () => ({ status: "ok", timestamp: new Date().toISOString() }));
app.get("/api/auth/state", async (request, reply) => {
let csrfToken = request.cookies[CSRF_COOKIE];
if (!csrfToken) {
csrfToken = randomToken();
reply.setCookie(CSRF_COOKIE, csrfToken, cookieOptions(config, false));
}
const row = database.prepare("SELECT COUNT(*) AS count FROM users").get() as { count: number };
return {
setupRequired: row.count === 0,
user: request.authUser,
csrfToken
};
});
app.post(
"/api/auth/setup",
{ config: { rateLimit: { max: 5, timeWindow: "1 minute" } } },
async (request, reply) => {
const parsed = setupCredentialsSchema.safeParse(request.body);
if (!parsed.success) {
return reply.code(400).send({
error: { code: "INVALID_CREDENTIALS", message: parsed.error.issues[0]?.message ?? "Invalid account details" }
});
}
const passwordHash = await argon2.hash(parsed.data.password, { type: argon2.argon2id });
const createAdmin = database.transaction(() => {
const row = database.prepare("SELECT COUNT(*) AS count FROM users").get() as { count: number };
if (row.count !== 0) return null;
const result = database
.prepare("INSERT INTO users (username, password_hash, role, created_at) VALUES (?, ?, 'admin', ?)")
.run(parsed.data.username, passwordHash, new Date().toISOString());
return Number(result.lastInsertRowid);
});
const userId = createAdmin();
if (userId === null) {
audit(database, {
action: "auth.setup",
result: "failure",
ipAddress: clientAddress(request),
details: { reason: "setup_already_complete" }
});
return reply.code(409).send({ error: { code: "SETUP_COMPLETE", message: "Initial setup is already complete" } });
}
audit(database, {
actorUserId: userId,
action: "auth.setup",
result: "success",
ipAddress: clientAddress(request)
});
return reply.code(201).send({ created: true });
}
);
app.post(
"/api/auth/login",
{ config: { rateLimit: { max: 8, timeWindow: "1 minute" } } },
async (request, reply) => {
const parsed = loginCredentialsSchema.safeParse(request.body);
const user = parsed.success
? (database
.prepare("SELECT id, username, role, password_hash FROM users WHERE username = ? COLLATE NOCASE")
.get(parsed.data.username) as UserRow | undefined)
: undefined;
const valid = user && parsed.success ? await argon2.verify(user.password_hash, parsed.data.password) : false;
if (!user || !valid) {
audit(database, {
action: "auth.login",
result: "failure",
ipAddress: clientAddress(request),
details: { reason: "invalid_credentials" }
});
return reply.code(401).send({ error: { code: "LOGIN_FAILED", message: "Username or password is incorrect" } });
}
database.prepare("DELETE FROM sessions WHERE expires_at <= ?").run(new Date().toISOString());
const token = randomToken();
const expiresAt = new Date(Date.now() + config.sessionTtlMs);
database
.prepare("INSERT INTO sessions (id_hash, user_id, expires_at, created_at) VALUES (?, ?, ?, ?)")
.run(hashToken(token), user.id, expiresAt.toISOString(), new Date().toISOString());
reply.setCookie(SESSION_COOKIE, token, {
...cookieOptions(config, true),
expires: expiresAt
});
audit(database, {
actorUserId: user.id,
action: "auth.login",
result: "success",
ipAddress: clientAddress(request)
});
return { user: { id: user.id, username: user.username, role: user.role } };
}
);
app.post("/api/auth/logout", async (request, reply) => {
const token = request.cookies[SESSION_COOKIE];
if (token) database.prepare("DELETE FROM sessions WHERE id_hash = ?").run(hashToken(token));
if (request.authUser) {
audit(database, {
actorUserId: request.authUser.id,
action: "auth.logout",
result: "success",
ipAddress: clientAddress(request)
});
}
reply.clearCookie(SESSION_COOKIE, cookieOptions(config, true));
return { loggedOut: true };
});
app.get("/api/status", async (request, reply) => {
if (!requireUser(request, reply)) return;
return collectSystemStatus(config.adb);
});
app.get("/api/jobs", async (request, reply) => {
if (!requireUser(request, reply)) return;
return { jobs: jobRunner.listJobs() };
});
app.get("/api/job-runs", async (request, reply) => {
if (!requireUser(request, reply)) return;
return { runs: jobRunner.listRuns() };
});
app.get<{ Params: { id: string } }>("/api/job-runs/:id", async (request, reply) => {
if (!requireUser(request, reply)) return;
const run = jobRunner.getRun(request.params.id);
if (!run) return reply.code(404).send({ error: { code: "RUN_NOT_FOUND", message: "Job run not found" } });
return run;
});
app.post<{ Params: { jobId: string } }>("/api/jobs/:jobId/runs", async (request, reply) => {
if (!requireUser(request, reply)) return;
if (!jobRunner.has(request.params.jobId)) {
return reply.code(404).send({ error: { code: "JOB_NOT_FOUND", message: "Job is not available" } });
}
const run = jobRunner.enqueue(request.params.jobId, request.authUser!.id);
audit(database, {
actorUserId: request.authUser!.id,
action: "job.enqueue",
result: "success",
ipAddress: clientAddress(request),
details: { jobId: request.params.jobId, runId: run.id }
});
return reply.code(202).send(run);
});
app.get("/api/network", async (request, reply) => {
if (!requireUser(request, reply)) return;
return readNetworkStatus(config);
});
app.get("/api/network/activity", async (request, reply) => {
if (!requireUser(request, reply)) return;
return readNetworkActivity(config.network.activityPath);
});
app.get("/api/adb/packages", async (request, reply) => {
if (!requireUser(request, reply)) return;
try {
return { packages: await listInstalledAdbPackages(config.adb) };
} catch {
return reply.code(503).send({ error: { code: "ADB_UNAVAILABLE", message: "The infotainment unit is not available over ADB" } });
}
});
app.post(
"/api/adb/install",
{ config: { rateLimit: { max: 4, timeWindow: "10 minutes" } }, bodyLimit: MAX_APK_BYTES },
async (request, reply) => {
if (!requireUser(request, reply)) return;
if (!Buffer.isBuffer(request.body)) {
return reply.code(400).send({ error: { code: "INVALID_APK", message: "Choose a valid APK file" } });
}
try {
await installAdbApk(config.adb, request.body);
audit(database, {
actorUserId: request.authUser!.id,
action: "adb.install-apk",
result: "success",
ipAddress: clientAddress(request),
details: { bytes: request.body.byteLength }
});
return reply.code(201).send({ installed: true });
} catch (error) {
const invalid = error instanceof Error && error.message === "INVALID_APK";
audit(database, {
actorUserId: request.authUser!.id,
action: "adb.install-apk",
result: "failure",
ipAddress: clientAddress(request),
details: { reason: invalid ? "invalid_apk" : "install_failed" }
});
return reply.code(invalid ? 400 : 503).send({
error: {
code: invalid ? "INVALID_APK" : "APK_INSTALL_FAILED",
message: invalid ? "Choose a valid APK file" : "The APK could not be installed on the infotainment unit"
}
});
}
}
);
app.post("/api/adb/launch", { config: { rateLimit: { max: 30, timeWindow: "1 minute" } } }, async (request, reply) => {
if (!requireUser(request, reply)) return;
const parsed = adbTargetSchema.safeParse(request.body);
if (!parsed.success) {
return reply.code(400).send({ error: { code: "INVALID_ADB_TARGET", message: "Enter a valid package or activity" } });
}
try {
await launchAdbTarget(config.adb, parsed.data);
audit(database, {
actorUserId: request.authUser!.id,
action: "adb.launch",
result: "success",
ipAddress: clientAddress(request),
details: { targetType: parsed.data.type, target: parsed.data.value }
});
return { launched: true };
} catch {
audit(database, {
actorUserId: request.authUser!.id,
action: "adb.launch",
result: "failure",
ipAddress: clientAddress(request),
details: { targetType: parsed.data.type, target: parsed.data.value }
});
return reply.code(503).send({ error: { code: "ADB_LAUNCH_FAILED", message: "The target could not be opened on the infotainment unit" } });
}
});
app.get("/api/adb/shortcuts", async (request, reply) => {
if (!requireUser(request, reply)) return;
const shortcuts = database
.prepare("SELECT id, name, target_type AS type, target_value AS value, created_at AS createdAt FROM adb_shortcuts ORDER BY created_at, id")
.all();
return { shortcuts };
});
app.post("/api/adb/shortcuts", async (request, reply) => {
if (!requireUser(request, reply)) return;
const parsed = adbShortcutSchema.safeParse(request.body);
if (!parsed.success) {
return reply.code(400).send({ error: { code: "INVALID_ADB_SHORTCUT", message: "Enter a name and a valid target" } });
}
try {
const createdAt = new Date().toISOString();
const result = database
.prepare("INSERT INTO adb_shortcuts (name, target_type, target_value, created_at) VALUES (?, ?, ?, ?)")
.run(parsed.data.name, parsed.data.type, parsed.data.value, createdAt);
return reply.code(201).send({ id: Number(result.lastInsertRowid), ...parsed.data, createdAt });
} catch {
return reply.code(409).send({ error: { code: "ADB_SHORTCUT_EXISTS", message: "A shortcut for that target already exists" } });
}
});
app.delete<{ Params: { id: string } }>("/api/adb/shortcuts/:id", async (request, reply) => {
if (!requireUser(request, reply)) return;
const id = Number(request.params.id);
if (!Number.isInteger(id) || id < 1) {
return reply.code(400).send({ error: { code: "INVALID_ADB_SHORTCUT", message: "That shortcut is invalid" } });
}
const result = database.prepare("DELETE FROM adb_shortcuts WHERE id = ?").run(id);
if (result.changes === 0) return reply.code(404).send({ error: { code: "ADB_SHORTCUT_NOT_FOUND", message: "Shortcut not found" } });
return reply.code(204).send();
});
app.get("/api/car/telemetry", async (request, reply) => {
if (!requireUser(request, reply)) return;
try {
return await carTelemetry.readLive();
} catch {
return reply.code(503).send({ error: { code: "CAR_TELEMETRY_UNAVAILABLE", message: "Live car telemetry is unavailable over ADB" } });
}
});
app.get<{ Querystring: { period?: string } }>("/api/car/history", async (request, reply) => {
if (!requireUser(request, reply)) return;
const parsed = z.enum(["24h", "7d", "30d", "1y", "all"]).safeParse(request.query.period ?? "24h");
if (!parsed.success) {
return reply.code(400).send({ error: { code: "INVALID_HISTORY_PERIOD", message: "That history period is not available" } });
}
return carTelemetry.store.history(parsed.data as TelemetryPeriod);
});
app.get("/api/car/statistics", async (request, reply) => {
if (!requireUser(request, reply)) return;
return carTelemetry.store.overview();
});
app.post(
"/api/network/configuration",
{ config: { rateLimit: { max: 3, timeWindow: "10 minutes" } } },
async (request, reply) => {
if (!requireUser(request, reply)) return;
const parsed = hotspotConfigurationSchema.safeParse(request.body);
if (!parsed.success) {
return reply.code(400).send({
error: {
code: "INVALID_HOTSPOT_CONFIGURATION",
message: parsed.error.issues[0]?.message ?? "The hotspot settings are invalid"
}
});
}
try {
const configuration = await requestHotspotConfiguration(config, parsed.data, request.authUser!.id);
audit(database, {
actorUserId: request.authUser!.id,
action: "network.configure-hotspot",
result: "success",
ipAddress: clientAddress(request),
details: { requestId: configuration.id }
});
return reply.code(202).send({ accepted: true, requestId: configuration.id });
} catch {
audit(database, {
actorUserId: request.authUser!.id,
action: "network.configure-hotspot",
result: "failure",
ipAddress: clientAddress(request),
details: { reason: "configuration_service_unavailable" }
});
return reply.code(503).send({
error: { code: "HOTSPOT_CONFIGURATION_UNAVAILABLE", message: "The hotspot configuration service is unavailable" }
});
}
}
);
app.post("/api/network/actions", async (request, reply) => {
if (!requireUser(request, reply)) return;
const parsed = z.object({ action: networkActionSchema }).safeParse(request.body);
if (!parsed.success) {
return reply.code(400).send({ error: { code: "INVALID_NETWORK_ACTION", message: "That network action is not available" } });
}
try {
const command = await requestNetworkAction(config, parsed.data.action, request.authUser!.id);
audit(database, {
actorUserId: request.authUser!.id,
action: `network.${parsed.data.action}`,
result: "success",
ipAddress: clientAddress(request),
details: { commandId: command.id }
});
return reply.code(202).send({ accepted: true, commandId: command.id });
} catch {
audit(database, {
actorUserId: request.authUser!.id,
action: `network.${parsed.data.action}`,
result: "failure",
ipAddress: clientAddress(request),
details: { reason: "controller_unavailable" }
});
return reply.code(503).send({
error: { code: "NETWORK_CONTROL_UNAVAILABLE", message: "Automatic network management is not configured" }
});
}
});
app.get("/api/system/update", async (request, reply) => {
if (!requireUser(request, reply)) return;
return readUpdateStatus(config);
});
app.post(
"/api/system/update/check",
{ config: { rateLimit: { max: 6, timeWindow: "10 minutes" } } },
async (request, reply) => {
if (!requireUser(request, reply)) return;
const current = await readUpdateStatus(config);
if (!current.supported) {
return reply.code(503).send({
error: { code: "UPDATES_UNAVAILABLE", message: "Install the system service before checking for updates" }
});
}
if (["checking", "building"].includes(current.state)) {
return reply.code(409).send({ error: { code: "UPDATE_IN_PROGRESS", message: "An update task is already running" } });
}
try {
await triggerSystemUpdate("check");
audit(database, {
actorUserId: request.authUser!.id,
action: "system.update-check",
result: "success",
ipAddress: clientAddress(request)
});
return reply.code(202).send({ queued: true });
} catch {
return reply.code(503).send({
error: { code: "UPDATE_CHECK_FAILED", message: "The update check could not be started" }
});
}
}
);
app.post(
"/api/system/update",
{ config: { rateLimit: { max: 2, timeWindow: "10 minutes" } } },
async (request, reply) => {
if (!requireUser(request, reply)) return;
const current = await readUpdateStatus(config);
if (!current.supported) {
return reply.code(503).send({
error: { code: "UPDATES_UNAVAILABLE", message: "Install the system service before using automatic updates" }
});
}
if (["checking", "building"].includes(current.state)) {
return reply.code(409).send({ error: { code: "UPDATE_IN_PROGRESS", message: "An update is already running" } });
}
try {
await triggerSystemUpdate("install");
audit(database, {
actorUserId: request.authUser!.id,
action: "system.update",
result: "success",
ipAddress: clientAddress(request),
details: { state: "queued" }
});
return reply.code(202).send({ queued: true });
} catch {
audit(database, {
actorUserId: request.authUser!.id,
action: "system.update",
result: "failure",
ipAddress: clientAddress(request),
details: { reason: "update_service_unavailable" }
});
return reply.code(503).send({
error: { code: "UPDATE_START_FAILED", message: "The update service could not be started" }
});
}
}
);
app.post(
"/api/system/power",
{ config: { rateLimit: { max: 3, timeWindow: "10 minutes" } } },
async (request, reply) => {
if (!requireUser(request, reply)) return;
const parsed = z.object({ action: systemPowerActionSchema }).safeParse(request.body);
if (!parsed.success) {
return reply.code(400).send({ error: { code: "INVALID_POWER_ACTION", message: "That power action is not available" } });
}
try {
await triggerSystemPower(parsed.data.action);
audit(database, {
actorUserId: request.authUser!.id,
action: `system.${parsed.data.action}`,
result: "success",
ipAddress: clientAddress(request)
});
return reply.code(202).send({ queued: true, action: parsed.data.action });
} catch {
audit(database, {
actorUserId: request.authUser!.id,
action: `system.${parsed.data.action}`,
result: "failure",
ipAddress: clientAddress(request)
});
return reply.code(503).send({
error: { code: "POWER_ACTION_FAILED", message: "The Pi could not schedule that power action" }
});
}
}
);
app.get("/api/system/shell", { websocket: true }, (socket, request) => {
openShell(socket, request, config);
});
app.get("/api/events", async (request, reply) => {
if (!requireUser(request, reply)) return;
reply.hijack();
reply.raw.writeHead(200, {
"Content-Type": "text/event-stream",
"Cache-Control": "no-cache, no-transform",
Connection: "keep-alive",
"X-Accel-Buffering": "no"
});
let closed = false;
const sendStatus = async () => {
if (closed) return;
try {
const status = await collectSystemStatus(config.adb);
reply.raw.write(`event: status\ndata: ${JSON.stringify(status)}\n\n`);
} catch {
reply.raw.write(`event: collection-error\ndata: {"code":"STATUS_COLLECTION_FAILED"}\n\n`);
}
};
await sendStatus();
const interval = setInterval(() => void sendStatus(), 10_000);
const stopJobEvents = jobRunner.onRun((run) => {
if (!closed) reply.raw.write(`event: job-run\ndata: ${JSON.stringify(run)}\n\n`);
});
request.raw.on("close", () => {
closed = true;
clearInterval(interval);
stopJobEvents();
});
});
const webRoot = resolve(fileURLToPath(new URL("../../web/dist", import.meta.url)));
if (config.nodeEnv === "production" && existsSync(webRoot)) {
app.get("/", async (_request, reply) => {
reply.type("text/html; charset=utf-8");
return reply.send(createReadStream(resolve(webRoot, "index.html")));
});
app.get<{ Params: { file: string } }>("/assets/:file", async (request, reply) => {
if (!/^[a-zA-Z0-9._-]+$/.test(request.params.file)) {
return reply.code(404).send({ error: { code: "NOT_FOUND", message: "Asset not found" } });
}
const assetPath = resolve(webRoot, "assets", request.params.file);
if (!existsSync(assetPath) || !statSync(assetPath).isFile()) {
return reply.code(404).send({ error: { code: "NOT_FOUND", message: "Asset not found" } });
}
const contentTypes: Record<string, string> = {
".css": "text/css; charset=utf-8",
".js": "text/javascript; charset=utf-8",
".map": "application/json; charset=utf-8",
".png": "image/png",
".svg": "image/svg+xml",
".woff2": "font/woff2"
};
reply.type(contentTypes[extname(assetPath)] ?? "application/octet-stream");
reply.header("Cache-Control", "public, max-age=31536000, immutable");
return reply.send(createReadStream(assetPath));
});
}
return app;
}