Files
amnezia_web-PRO/server.js
Андрей Бобырев e93a7e9f60 docs: add upgrade steps; no-store cache for admin static
Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-14 15:56:57 +03:00

614 lines
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JavaScript
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import express from "express";
import { spawn } from "child_process";
import crypto from "crypto";
import path from "path";
import fs from "fs";
import { fileURLToPath } from "url";
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const PORT = Number(process.env.PORT || 3980);
const CONTAINER = process.env.AWG_CONTAINER || "amnezia-awg2";
const AWG_CONF = "/opt/amnezia/awg/awg0.conf";
const CLIENTS_JSON = "/opt/amnezia/awg/clientsTable";
const DATA_DIR = process.env.DATA_DIR || "/data";
const PW_FILE = path.join(DATA_DIR, "password.hash");
const SECRET_FILE = path.join(DATA_DIR, "session.secret");
const SESSION_COOKIE = "amnezia_sess";
const SESSION_MS = 7 * 24 * 60 * 60 * 1000;
let passwordHashStored = "";
let sessionSecret = "";
function ensureDataDir() {
fs.mkdirSync(DATA_DIR, { recursive: true });
}
function hashPassword(password) {
const salt = crypto.randomBytes(16);
const hash = crypto.scryptSync(password, salt, 64);
return `${salt.toString("hex")}:${hash.toString("hex")}`;
}
function verifyPassword(password, stored) {
const parts = stored.split(":");
if (parts.length !== 2) return false;
const salt = Buffer.from(parts[0], "hex");
const expected = Buffer.from(parts[1], "hex");
let hash;
try {
hash = crypto.scryptSync(password, salt, 64);
} catch {
return false;
}
if (hash.length !== expected.length) return false;
return crypto.timingSafeEqual(hash, expected);
}
function loadOrCreateSessionSecret() {
ensureDataDir();
if (fs.existsSync(SECRET_FILE)) {
sessionSecret = fs.readFileSync(SECRET_FILE, "utf8").trim();
if (sessionSecret.length < 32) {
throw new Error("session.secret слишком короткий — удалите файл для пересоздания");
}
return;
}
sessionSecret = crypto.randomBytes(32).toString("hex");
fs.writeFileSync(SECRET_FILE, `${sessionSecret}\n`, { mode: 0o600 });
}
function rotateSessionSecret() {
sessionSecret = crypto.randomBytes(32).toString("hex");
fs.writeFileSync(SECRET_FILE, `${sessionSecret}\n`, { mode: 0o600 });
}
function bootstrapPassword() {
ensureDataDir();
if (fs.existsSync(PW_FILE)) {
passwordHashStored = fs.readFileSync(PW_FILE, "utf8").trim();
if (!passwordHashStored) throw new Error("password.hash пуст");
return;
}
const bootstrap = process.env.ADMIN_PASSWORD || "";
if (bootstrap) {
passwordHashStored = hashPassword(bootstrap);
fs.writeFileSync(PW_FILE, `${passwordHashStored}\n`, { mode: 0o600 });
console.warn(
"Пароль сохранён в /data/password.hash. Уберите ADMIN_PASSWORD из окружения после первого старта."
);
return;
}
const legacyToken = process.env.ADMIN_TOKEN || "";
if (legacyToken) {
passwordHashStored = hashPassword(legacyToken);
fs.writeFileSync(PW_FILE, `${passwordHashStored}\n`, { mode: 0o600 });
console.warn(
"Миграция: пароль взяли из ADMIN_TOKEN и сохранили в /data/password.hash. Удалите ADMIN_TOKEN из окружения."
);
return;
}
const allowDefault =
process.env.ALLOW_DEFAULT_PASSWORD === "1" ||
process.env.ALLOW_DEFAULT_PASSWORD === "true";
const docPass = process.env.DEFAULT_ADMIN_PASSWORD || "AmneziaAdmin!ChangeMe";
if (allowDefault) {
passwordHashStored = hashPassword(docPass);
fs.writeFileSync(PW_FILE, `${passwordHashStored}\n`, { mode: 0o600 });
console.warn(
"Включён пароль по умолчанию из документации (README). Смените его в панели и отключите ALLOW_DEFAULT_PASSWORD."
);
return;
}
console.error(
"Нет пароля: задайте ADMIN_PASSWORD при первом запуске, см. README, или ALLOW_DEFAULT_PASSWORD=1 только для теста."
);
process.exit(1);
}
function signSession(payload) {
const body = Buffer.from(JSON.stringify(payload), "utf8").toString("base64url");
const sig = crypto.createHmac("sha256", sessionSecret).update(body).digest("base64url");
return `${body}.${sig}`;
}
function readSession(token) {
if (!token || !sessionSecret) return null;
const dot = token.indexOf(".");
if (dot === -1) return null;
const body = token.slice(0, dot);
const sig = token.slice(dot + 1);
let expected;
try {
expected = crypto.createHmac("sha256", sessionSecret).update(body).digest("base64url");
} catch {
return null;
}
try {
if (!crypto.timingSafeEqual(Buffer.from(sig), Buffer.from(expected))) return null;
} catch {
return null;
}
let payload;
try {
payload = JSON.parse(Buffer.from(body, "base64url").toString("utf8"));
} catch {
return null;
}
if (typeof payload.exp !== "number" || payload.exp < Date.now()) return null;
return payload;
}
function getSessionToken(req) {
const raw = req.headers.cookie || "";
for (const part of raw.split(";")) {
const p = part.trim();
if (p.startsWith(`${SESSION_COOKIE}=`)) {
return decodeURIComponent(p.slice(SESSION_COOKIE.length + 1));
}
}
return null;
}
function cookieSecureFlag() {
return process.env.COOKIE_SECURE === "1" || process.env.COOKIE_SECURE === "true";
}
function setSessionCookie(res, token, maxAgeSec) {
const sec = cookieSecureFlag();
res.setHeader(
"Set-Cookie",
`${SESSION_COOKIE}=${encodeURIComponent(token)}; Max-Age=${maxAgeSec}; Path=/; HttpOnly; SameSite=Lax${sec ? "; Secure" : ""}`
);
}
function clearSessionCookie(res) {
const sec = cookieSecureFlag();
res.setHeader(
"Set-Cookie",
`${SESSION_COOKIE}=; Max-Age=0; Path=/; HttpOnly; SameSite=Lax${sec ? "; Secure" : ""}`
);
}
function requireAuth(req, res, next) {
const sess = readSession(getSessionToken(req));
if (!sess) {
res.status(401).json({ error: "Unauthorized" });
return;
}
next();
}
function execDocker(args, stdin = null) {
return new Promise((resolve, reject) => {
const child = spawn("docker", args, { stdio: ["pipe", "pipe", "pipe"] });
let out = "";
let err = "";
child.stdout.on("data", (c) => (out += c));
child.stderr.on("data", (c) => (err += c));
child.on("error", reject);
child.on("close", (code) => {
if (code === 0) resolve({ stdout: out, stderr: err });
else reject(new Error(err.trim() || out.trim() || `exit ${code}`));
});
if (stdin != null) {
child.stdin.write(stdin);
child.stdin.end();
} else {
child.stdin.end();
}
});
}
async function dockerExec(cmd) {
const { stdout, stderr } = await execDocker([
"exec",
CONTAINER,
"sh",
"-c",
cmd,
]);
return stdout + stderr;
}
async function dockerReadFile(remotePath) {
const { stdout } = await execDocker(["exec", CONTAINER, "cat", remotePath]);
return stdout;
}
async function dockerWriteFile(remotePath, content) {
await execDocker(
[
"exec",
"-i",
CONTAINER,
"sh",
"-c",
`cat > '${remotePath}.tmp' && mv '${remotePath}.tmp' '${remotePath}'`,
],
content
);
}
function splitAwgConf(text) {
const t = text.replace(/\r\n/g, "\n");
const parts = t.split(/(?=^\[Peer\])/m);
const head = parts[0].trimEnd();
const peers = parts.slice(1).map(parsePeerBlock).filter((p) => p.publicKey);
return { head, peers };
}
function parsePeerBlock(block) {
const lineMap = (key) => {
const m = block.match(new RegExp(`^${key}\\s*=\\s*(.+)$`, "m"));
return m ? m[1].trim() : null;
};
const publicKey = lineMap("PublicKey");
const presharedKey = lineMap("PresharedKey");
const allowedIPs = lineMap("AllowedIPs");
const raw = block.trimEnd();
return { raw, publicKey, presharedKey, allowedIPs };
}
function serializeAwgConf(head, peers) {
const body = peers.map((p) => p.raw.trim()).join("\n\n");
return (body ? `${head}\n\n${body}\n` : `${head}\n`).replace(/\n+$/, "\n");
}
function parseClientsTable(raw) {
const data = JSON.parse(raw);
if (!Array.isArray(data)) throw new Error("clientsTable is not an array");
return data;
}
function stringifyClientsTable(rows) {
return `${JSON.stringify(rows, null, 4)}\n`;
}
async function backupRemoteFiles() {
const stamp = new Date().toISOString().replace(/[:.]/g, "-");
await dockerExec(
`cp '${AWG_CONF}' '${AWG_CONF}.bak-admin-${stamp}' 2>/dev/null || true`
);
await dockerExec(
`cp '${CLIENTS_JSON}' '${CLIENTS_JSON}.bak-admin-${stamp}' 2>/dev/null || true`
);
}
async function applySyncconf() {
await dockerExec(
`wg-quick strip '${AWG_CONF}' > /tmp/wg-admin-strip.conf && awg syncconf awg0 /tmp/wg-admin-strip.conf`
);
}
async function loadState() {
const [confText, tableText] = await Promise.all([
dockerReadFile(AWG_CONF),
dockerReadFile(CLIENTS_JSON),
]);
const conf = splitAwgConf(confText);
const clients = parseClientsTable(tableText);
const peerByKey = new Map(conf.peers.map((p) => [p.publicKey, p]));
return { confText, conf, clients, peerByKey };
}
async function inferPskFromConf(conf) {
if (conf.peers.length) return conf.peers[0].presharedKey;
try {
const text = await dockerReadFile("/opt/amnezia/awg/wireguard_psk.key");
return text.trim();
} catch {
return null;
}
}
/** ISO string; пустое значение → текущий момент */
function normalizeDisconnectedAtOptional(raw) {
if (raw == null || raw === "") return new Date().toISOString();
const d = new Date(raw);
if (Number.isNaN(d.getTime())) {
throw new Error("Некорректная дата disconnectedAt");
}
return d.toISOString();
}
function requireDisconnectedAt(raw) {
if (raw == null || raw === "") {
throw new Error("Укажите дату отключения");
}
const d = new Date(raw);
if (Number.isNaN(d.getTime())) {
throw new Error("Некорректная дата");
}
return d.toISOString();
}
ensureDataDir();
loadOrCreateSessionSecret();
bootstrapPassword();
const app = express();
app.use(express.json({ limit: "512kb" }));
app.get("/health", (_req, res) => {
res.json({ ok: true });
});
app.get("/api/session", (req, res) => {
if (!readSession(getSessionToken(req))) {
res.status(401).json({ ok: false });
return;
}
res.json({ ok: true });
});
app.post("/api/login", (req, res) => {
const pw = req.body?.password;
if (typeof pw !== "string" || !pw) {
res.status(400).json({ error: "password required" });
return;
}
if (!verifyPassword(pw, passwordHashStored)) {
res.status(401).json({ error: "Неверный пароль" });
return;
}
const token = signSession({ exp: Date.now() + SESSION_MS });
setSessionCookie(res, token, Math.floor(SESSION_MS / 1000));
res.json({ ok: true });
});
app.post("/api/logout", (_req, res) => {
clearSessionCookie(res);
res.json({ ok: true });
});
app.post("/api/change-password", requireAuth, (req, res) => {
const cur = req.body?.currentPassword;
const neu = req.body?.newPassword;
if (typeof cur !== "string" || typeof neu !== "string") {
res.status(400).json({ error: "currentPassword и newPassword обязательны" });
return;
}
if (neu.length < 8) {
res.status(400).json({ error: "Новый пароль — не короче 8 символов" });
return;
}
if (!verifyPassword(cur, passwordHashStored)) {
res.status(401).json({ error: "Текущий пароль неверный" });
return;
}
passwordHashStored = hashPassword(neu);
fs.writeFileSync(PW_FILE, `${passwordHashStored}\n`, { mode: 0o600 });
rotateSessionSecret();
clearSessionCookie(res);
res.json({ ok: true, message: "Пароль изменён. Войдите снова." });
});
app.get("/api/clients", requireAuth, async (_req, res) => {
try {
let wgShow = "";
try {
wgShow = await dockerExec(`awg show awg0`);
} catch {
wgShow = "";
}
const { conf, clients, peerByKey } = await loadState();
const rows = clients.map((c) => {
const id = c.clientId;
const peer = peerByKey.get(id);
const ud = c.userData || {};
const activeInConf = !!peer;
return {
clientId: id,
name: ud.clientName || `${id.slice(0, 10)}`,
allowedIps: peer?.allowedIPs || ud.allowedIps || ud.preservedAllowedIPs || null,
activeInConf,
disabled: !activeInConf,
disabledAt: ud.disabledAt || null,
lastDisconnectedAt: ud.lastDisconnectedAt || null,
creationDate: ud.creationDate || null,
latestHandshake: ud.latestHandshake || null,
dataReceived: ud.dataReceived || null,
dataSent: ud.dataSent || null,
};
});
res.json({
container: CONTAINER,
protocol: "AmneziaWG",
peerCount: conf.peers.length,
clients: rows,
wgShow,
});
} catch (e) {
console.error(e);
res.status(500).json({ error: String(e.message || e) });
}
});
app.post("/api/clients/disable", requireAuth, async (req, res) => {
const clientId = req.body?.clientId;
if (!clientId) return res.status(400).json({ error: "clientId required" });
let ts;
try {
ts = normalizeDisconnectedAtOptional(req.body?.disconnectedAt);
} catch (e) {
return res.status(400).json({ error: String(e.message || e) });
}
try {
await backupRemoteFiles();
const { conf, clients } = await loadState();
const peer = conf.peers.find((p) => p.publicKey === clientId);
if (!peer) {
return res.status(404).json({ error: "Peer not in config (already disabled?)" });
}
const nextPeers = conf.peers.filter((p) => p.publicKey !== clientId);
const nextConfText = serializeAwgConf(conf.head, nextPeers);
const idx = clients.findIndex((c) => c.clientId === clientId);
if (idx === -1) {
return res.status(404).json({ error: "Client not in clientsTable" });
}
const ud = { ...(clients[idx].userData || {}) };
ud.disabled = true;
ud.disabledAt = ts;
ud.lastDisconnectedAt = ts;
ud.preservedPresharedKey = peer.presharedKey || ud.preservedPresharedKey;
ud.preservedAllowedIPs = peer.allowedIPs || ud.preservedAllowedIPs;
clients[idx] = { ...clients[idx], userData: ud };
await dockerWriteFile(AWG_CONF, nextConfText);
await dockerWriteFile(CLIENTS_JSON, stringifyClientsTable(clients));
await applySyncconf();
res.json({ ok: true });
} catch (e) {
console.error(e);
res.status(500).json({ error: String(e.message || e) });
}
});
app.post("/api/clients/enable", requireAuth, async (req, res) => {
const clientId = req.body?.clientId;
if (!clientId) return res.status(400).json({ error: "clientId required" });
try {
await backupRemoteFiles();
const { conf, clients } = await loadState();
const existing = conf.peers.find((p) => p.publicKey === clientId);
if (existing) {
return res.status(409).json({ error: "Peer already enabled" });
}
const idx = clients.findIndex((c) => c.clientId === clientId);
if (idx === -1) {
return res.status(404).json({ error: "Client not in clientsTable" });
}
const ud = { ...(clients[idx].userData || {}) };
const psk =
ud.preservedPresharedKey ||
conf.peers[0]?.presharedKey ||
(await inferPskFromConf(conf));
const ips = ud.preservedAllowedIPs || ud.allowedIps;
if (!psk || !ips) {
return res.status(400).json({
error:
"Missing preserved keys — cannot enable (restore from backup or re-import in Amnezia)",
});
}
const raw = `[Peer]
PublicKey = ${clientId}
PresharedKey = ${psk}
AllowedIPs = ${ips}`;
const peer = parsePeerBlock(`${raw}\n`);
const nextPeers = [...conf.peers, peer];
const nextConfText = serializeAwgConf(conf.head, nextPeers);
delete ud.disabled;
delete ud.disabledAt;
delete ud.preservedPresharedKey;
delete ud.preservedAllowedIPs;
clients[idx] = { ...clients[idx], userData: ud };
await dockerWriteFile(AWG_CONF, nextConfText);
await dockerWriteFile(CLIENTS_JSON, stringifyClientsTable(clients));
await applySyncconf();
res.json({ ok: true });
} catch (e) {
console.error(e);
res.status(500).json({ error: String(e.message || e) });
}
});
app.post("/api/clients/disconnect-date", requireAuth, async (req, res) => {
const clientId = req.body?.clientId;
if (!clientId) return res.status(400).json({ error: "clientId required" });
let iso;
try {
iso = requireDisconnectedAt(req.body?.disconnectedAt);
} catch (e) {
return res.status(400).json({ error: String(e.message || e) });
}
try {
const { conf, clients, peerByKey } = await loadState();
const idx = clients.findIndex((c) => c.clientId === clientId);
if (idx === -1) return res.status(404).json({ error: "Client not in clientsTable" });
const peer = peerByKey.get(clientId);
const ud = { ...(clients[idx].userData || {}) };
ud.lastDisconnectedAt = iso;
if (!peer) {
ud.disabledAt = iso;
}
clients[idx] = { ...clients[idx], userData: ud };
await dockerWriteFile(CLIENTS_JSON, stringifyClientsTable(clients));
res.json({ ok: true });
} catch (e) {
console.error(e);
res.status(500).json({ error: String(e.message || e) });
}
});
app.post("/api/clients/rename", requireAuth, async (req, res) => {
const clientId = req.body?.clientId;
const rawName = req.body?.name ?? req.body?.clientName;
if (!clientId) return res.status(400).json({ error: "clientId required" });
if (typeof rawName !== "string") {
return res.status(400).json({ error: "name required" });
}
const name = rawName.trim().replace(/\s+/g, " ");
if (!name) return res.status(400).json({ error: "Имя не может быть пустым" });
if (name.length > 200) {
return res.status(400).json({ error: "Имя не длиннее 200 символов" });
}
try {
const { clients } = await loadState();
const idx = clients.findIndex((c) => c.clientId === clientId);
if (idx === -1) return res.status(404).json({ error: "Client not in clientsTable" });
const ud = { ...(clients[idx].userData || {}), clientName: name };
clients[idx] = { ...clients[idx], userData: ud };
await dockerWriteFile(CLIENTS_JSON, stringifyClientsTable(clients));
res.json({ ok: true });
} catch (e) {
console.error(e);
res.status(500).json({ error: String(e.message || e) });
}
});
app.post("/api/clients/delete", requireAuth, async (req, res) => {
const clientId = req.body?.clientId;
if (!clientId) return res.status(400).json({ error: "clientId required" });
try {
await backupRemoteFiles();
const { conf, clients } = await loadState();
const nextPeers = conf.peers.filter((p) => p.publicKey !== clientId);
const nextClients = clients.filter((c) => c.clientId !== clientId);
if (nextClients.length === clients.length) {
return res.status(404).json({ error: "Client not in clientsTable" });
}
const nextConfText = serializeAwgConf(conf.head, nextPeers);
await dockerWriteFile(AWG_CONF, nextConfText);
await dockerWriteFile(CLIENTS_JSON, stringifyClientsTable(nextClients));
await applySyncconf();
res.json({ ok: true });
} catch (e) {
console.error(e);
res.status(500).json({ error: String(e.message || e) });
}
});
const pub = path.join(__dirname, "public");
if (fs.existsSync(pub)) {
app.use(
express.static(pub, {
setHeaders(res, filePath) {
const lower = filePath.toLowerCase();
if (lower.endsWith(".html") || lower.endsWith(".js") || lower.endsWith(".css")) {
res.setHeader("Cache-Control", "no-store");
}
},
}),
);
}
app.use((_req, res) => {
res.status(404).send("Not found");
});
app.listen(PORT, "0.0.0.0", () => {
console.log(`amnezia-admin on :${PORT} → docker:${CONTAINER}, data:${DATA_DIR}`);
});