Refine routing defaults for global and device fallbacks

src/server/devices.js

@@ -0,0 +1,153 @@
+import fs from "node:fs";
+import path from "node:path";
+import { settings } from "./config.js";
+
+export const DEVICE_MODES = new Set(["direct", "vpn", "rules", "block"]);
+export const DEFAULT_DEVICE_MODES = new Set(["direct", "vpn", "block"]);
+export const DEFAULT_DEVICE_MODE = "direct";
+export const DEFAULT_PROXY_MODE = "vpn";
+export const TPROXY_INBOUND = "tproxy-in";
+export const MIXED_INBOUND = "mixed-in";
+
+const IPISH_RE = /^[\.\d:/]+$/;
+
+function readJson(filePath, fallback) {
+  try {
+    if (!fs.existsSync(filePath)) return fallback;
+    return JSON.parse(fs.readFileSync(filePath, "utf8"));
+  } catch {
+    return fallback;
+  }
+}
+
+function writeJson(filePath, value) {
+  fs.mkdirSync(path.dirname(filePath), { recursive: true });
+  fs.writeFileSync(filePath, JSON.stringify(value, null, 2), "utf8");
+}
+
+function normalizeDeviceMode(mode, fallback = "rules") {
+  const value = String(mode || "").trim().toLowerCase();
+  if (value === "bypass") return "direct";
+  return DEVICE_MODES.has(value) ? value : fallback;
+}
+
+function normalizeDefaultMode(mode) {
+  const value = String(mode || "").trim().toLowerCase();
+  return DEFAULT_DEVICE_MODES.has(value) ? value : DEFAULT_DEVICE_MODE;
+}
+
+function normalizeProxyMode(mode) {
+  const value = String(mode || "").trim().toLowerCase();
+  return DEFAULT_DEVICE_MODES.has(value) ? value : DEFAULT_PROXY_MODE;
+}
+
+function normalizeIp(ip) {
+  const value = String(ip || "").trim();
+  return value && IPISH_RE.test(value) ? value : "";
+}
+
+function normalizeMac(mac) {
+  return String(mac || "").trim();
+}
+
+function fromLegacyDeviceRules(input) {
+  const rules = Array.isArray(input) ? input : [];
+  const devices = [];
+
+  for (const rule of rules) {
+    const sourceIps = Array.isArray(rule?.sourceIps) ? rule.sourceIps : [];
+    const mode = normalizeDeviceMode(rule?.outbound, "direct");
+    sourceIps.forEach((sourceIp, ipIndex) => {
+      const ip = normalizeIp(sourceIp);
+      if (!ip) return;
+      devices.push({
+        id: String(rule.id || `dev-${devices.length}`) + `-${ipIndex}`,
+        name: String(rule.name || `Устройство ${devices.length + 1}`).trim(),
+        enabled: rule.enabled !== false,
+        ip,
+        mac: "",
+        mode,
+        lastSeen: null,
+      });
+    });
+  }
+
+  return {
+    defaultTransparentMode: DEFAULT_DEVICE_MODE,
+    proxyDefaultMode: DEFAULT_PROXY_MODE,
+    devices,
+  };
+}
+
+export function normalizeDeviceProfiles(input) {
+  const raw =
+    input && typeof input === "object" && !Array.isArray(input)
+      ? input
+      : { devices: input };
+  const rawDevices = Array.isArray(raw.devices) ? raw.devices : [];
+
+  return {
+    defaultTransparentMode: normalizeDefaultMode(
+      raw.defaultTransparentMode || raw.defaultMode,
+    ),
+    proxyDefaultMode: normalizeProxyMode(raw.proxyDefaultMode),
+    devices: rawDevices.map((device, index) => ({
+      id: String(device.id || `dev-${Date.now()}-${index}`),
+      name: String(device.name || `Устройство ${index + 1}`).trim(),
+      enabled: device.enabled !== false,
+      ip: normalizeIp(device.ip || device.sourceIp),
+      mac: normalizeMac(device.mac),
+      mode: normalizeDeviceMode(device.mode || device.outbound, "rules"),
+      lastSeen: device.lastSeen || null,
+    })),
+  };
+}
+
+export function readDeviceProfiles() {
+  if (fs.existsSync(settings.devicesPath)) {
+    return normalizeDeviceProfiles(readJson(settings.devicesPath, null));
+  }
+
+  if (fs.existsSync(settings.deviceRulesPath)) {
+    return normalizeDeviceProfiles(
+      fromLegacyDeviceRules(readJson(settings.deviceRulesPath, [])),
+    );
+  }
+
+  return {
+    defaultTransparentMode: DEFAULT_DEVICE_MODE,
+    proxyDefaultMode: DEFAULT_PROXY_MODE,
+    devices: [],
+  };
+}
+
+export function writeDeviceProfiles(value) {
+  const normalized = normalizeDeviceProfiles(value);
+  writeJson(settings.devicesPath, normalized);
+  return normalized;
+}
+
+export function normalizeCidr(ip) {
+  const value = normalizeIp(ip);
+  if (!value) return "";
+  return value.includes("/") ? value : `${value}/32`;
+}
+
+export function deviceCidrs(devices, modes) {
+  const allowedModes = new Set(Array.isArray(modes) ? modes : [modes]);
+  return (Array.isArray(devices) ? devices : [])
+    .filter((device) => device.enabled !== false && allowedModes.has(device.mode))
+    .map((device) => normalizeCidr(device.ip))
+    .filter(Boolean);
+}
+
+export function legacyDeviceRulesFromProfiles(profiles) {
+  const { devices } = normalizeDeviceProfiles(profiles);
+  return devices.map((device) => ({
+    id: device.id,
+    name: device.name,
+    enabled: device.enabled,
+    sourceIps: device.ip ? [device.ip] : [],
+    outbound: device.mode === "rules" ? "direct" : device.mode,
+  }));
+}