658 lines
24 KiB
JavaScript
658 lines
24 KiB
JavaScript
const { exec, spawn, execSync } = require("child_process");
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const path = require("path");
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const fs = require("fs");
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const os = require("os");
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const net = require("net");
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const https = require("https");
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const crypto = require("crypto");
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const { addDNSEntry, removeDNSEntry, checkDNSEntry } = require("./dns/dnsConfig");
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const IS_WIN = process.platform === "win32";
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const { generateCert } = require("./cert/generate");
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const { installCert } = require("./cert/install");
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const { MITM_DIR } = require("./paths");
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const MITM_PORT = 443;
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// Windows: node listens on 8443, netsh portproxy forwards 443→8443
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const MITM_WIN_NODE_PORT = 8443;
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const PID_FILE = path.join(MITM_DIR, ".mitm.pid");
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// Resolve server.js path robustly:
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// __dirname is unreliable inside Next.js bundles, so we use DATA_DIR env or
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// fall back to locating the file relative to the app's source root.
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function resolveServerPath() {
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// 1. Explicit override via env (useful for packaged/standalone builds)
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if (process.env.MITM_SERVER_PATH) return process.env.MITM_SERVER_PATH;
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// 2. Try sibling of this file (works in dev where __dirname is real)
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const sibling = path.join(__dirname, "server.js");
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if (fs.existsSync(sibling)) return sibling;
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// 3. Fallback: resolve from process.cwd() → src/mitm/server.js
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const fromCwd = path.join(process.cwd(), "src", "mitm", "server.js");
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if (fs.existsSync(fromCwd)) return fromCwd;
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// 4. Standalone build: app root is parent of .next
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const fromNext = path.join(process.cwd(), "..", "src", "mitm", "server.js");
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if (fs.existsSync(fromNext)) return fromNext;
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return fromCwd; // best guess
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}
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const SERVER_PATH = resolveServerPath();
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const ENCRYPT_ALGO = "aes-256-gcm";
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const ENCRYPT_SALT = "9router-mitm-pwd";
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/**
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* Get process name using port 443
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* @returns {string|null} Process name or null if not found
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*/
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function getProcessUsingPort443() {
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try {
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if (IS_WIN) {
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// Use PowerShell for precise port 443 owner lookup
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const psCmd = `powershell -NonInteractive -WindowStyle Hidden -Command ` +
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`"$c = Get-NetTCPConnection -LocalPort 443 -State Listen -ErrorAction SilentlyContinue | Select-Object -First 1; if ($c) { $c.OwningProcess } else { 0 }"`;
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const pidStr = execSync(psCmd, { encoding: "utf8", windowsHide: true }).trim();
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const pid = parseInt(pidStr, 10);
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if (pid && pid > 4) {
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const tasklistResult = execSync(`tasklist /FI "PID eq ${pid}" /FO CSV /NH`, { encoding: "utf8", windowsHide: true });
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const processMatch = tasklistResult.match(/"([^"]+)"/);
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if (processMatch) return processMatch[1].replace(".exe", "");
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}
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} else {
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// macOS/Linux: use lsof
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const result = execSync("lsof -i :443", { encoding: "utf8" });
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const lines = result.trim().split("\n");
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if (lines.length > 1) {
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const processName = lines[1].split(/\s+/)[0];
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return processName;
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}
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}
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} catch (error) {
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return null;
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}
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return null;
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}
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// Store server process in-memory
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let serverProcess = null;
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let serverPid = null;
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// Persist sudo password across Next.js hot reloads (in-memory only)
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function getCachedPassword() { return globalThis.__mitmSudoPassword || null; }
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function setCachedPassword(pwd) { globalThis.__mitmSudoPassword = pwd; }
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// Check if a PID is alive
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// EACCES = process exists but no permission (e.g. root process) → still alive
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// ESRCH = process does not exist → dead
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function isProcessAlive(pid) {
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try {
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process.kill(pid, 0);
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return true;
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} catch (err) {
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return err.code === "EACCES";
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}
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}
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// Cross-platform process kill
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function killProcess(pid, force = false) {
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if (IS_WIN) {
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const flag = force ? "/F " : "";
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exec(`taskkill ${flag}/PID ${pid}`, () => { });
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} else {
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// Use pkill to kill entire process group (catches sudo + child node process)
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const sig = force ? "SIGKILL" : "SIGTERM";
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exec(`pkill -${sig} -P ${pid} 2>/dev/null; kill -${sig} ${pid} 2>/dev/null`, () => { });
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}
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}
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/** Derive a 32-byte encryption key from machineId */
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function deriveKey() {
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try {
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const { machineIdSync } = require("node-machine-id");
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const raw = machineIdSync();
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return crypto.createHash("sha256").update(raw + ENCRYPT_SALT).digest();
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} catch {
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// Fallback: fixed key derived from salt (less secure but functional)
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return crypto.createHash("sha256").update(ENCRYPT_SALT).digest();
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}
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}
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/** Encrypt sudo password with AES-256-GCM */
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function encryptPassword(plaintext) {
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const key = deriveKey();
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const iv = crypto.randomBytes(12);
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const cipher = crypto.createCipheriv(ENCRYPT_ALGO, key, iv);
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const encrypted = Buffer.concat([cipher.update(plaintext, "utf8"), cipher.final()]);
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const tag = cipher.getAuthTag();
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// Store as hex: iv:tag:ciphertext
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return `${iv.toString("hex")}:${tag.toString("hex")}:${encrypted.toString("hex")}`;
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}
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/** Decrypt sudo password */
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function decryptPassword(stored) {
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try {
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const [ivHex, tagHex, dataHex] = stored.split(":");
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if (!ivHex || !tagHex || !dataHex) return null;
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const key = deriveKey();
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const decipher = crypto.createDecipheriv(ENCRYPT_ALGO, key, Buffer.from(ivHex, "hex"));
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decipher.setAuthTag(Buffer.from(tagHex, "hex"));
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return decipher.update(Buffer.from(dataHex, "hex")) + decipher.final("utf8");
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} catch {
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return null;
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}
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}
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// DB hooks — injected from ESM context (initializeApp / route handlers)
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// to avoid webpack bundling issues with dynamic imports in CJS modules.
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let _getSettings = null;
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let _updateSettings = null;
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/** Called once from ESM context to inject DB access functions */
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function initDbHooks(getSettingsFn, updateSettingsFn) {
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_getSettings = getSettingsFn;
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_updateSettings = updateSettingsFn;
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}
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/** Save encrypted sudo password + mitmEnabled to db */
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async function saveMitmSettings(enabled, password) {
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if (!_updateSettings) {
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console.log("[MITM] DB hooks not initialized, skipping save");
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return;
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}
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try {
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const updates = { mitmEnabled: enabled };
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if (password) updates.mitmSudoEncrypted = encryptPassword(password);
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await _updateSettings(updates);
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} catch (e) {
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console.log("[MITM] Failed to save settings:", e.message);
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}
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}
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/** Load and decrypt sudo password from db */
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async function loadEncryptedPassword() {
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if (!_getSettings) return null;
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try {
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const settings = await _getSettings();
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if (!settings.mitmSudoEncrypted) return null;
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return decryptPassword(settings.mitmSudoEncrypted);
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} catch {
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return null;
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}
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}
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/**
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* Check if port 443 is available
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* Returns: "free" | "in-use" | "no-permission"
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*/
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function checkPort443Free() {
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return new Promise((resolve) => {
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const tester = net.createServer();
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tester.once("error", (err) => {
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if (err.code === "EADDRINUSE") resolve("in-use");
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else resolve("no-permission"); // EACCES or other → port free but needs sudo
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});
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tester.once("listening", () => { tester.close(() => resolve("free")); });
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tester.listen(MITM_PORT, "127.0.0.1");
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});
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}
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/**
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* Get PID and process name currently holding port 443
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* Returns { pid, name } or null if port is free / cannot determine
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*/
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function getPort443Owner(sudoPassword) {
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return new Promise((resolve) => {
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if (IS_WIN) {
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// Use PowerShell Get-NetTCPConnection for precise port 443 owner lookup
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const psCmd = `powershell -NonInteractive -WindowStyle Hidden -Command "` +
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`$c = Get-NetTCPConnection -LocalPort 443 -State Listen -ErrorAction SilentlyContinue | Select-Object -First 1; ` +
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`if ($c) { $c.OwningProcess } else { 0 }"`;
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exec(psCmd, { windowsHide: true }, (err, stdout) => {
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if (err) return resolve(null);
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const pid = parseInt(stdout.trim(), 10);
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// 0 = no owner, <=4 = System/Idle — not real port owners
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if (!pid || pid <= 4) return resolve(null);
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exec(`tasklist /FI "PID eq ${pid}" /FO CSV /NH`, { windowsHide: true }, (e2, out2) => {
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const m = out2?.match(/"([^"]+)"/);
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resolve({ pid, name: m ? m[1] : "unknown" });
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});
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});
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} else {
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// Use ps to find node process running server.js (no sudo needed)
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exec(`ps aux | grep "[s]erver.js"`, (err, stdout) => {
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if (!stdout?.trim()) return resolve(null);
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for (const line of stdout.split("\n")) {
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const parts = line.trim().split(/\s+/);
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const pid = parseInt(parts[1], 10);
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if (!isNaN(pid)) return resolve({ pid, name: "node" });
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}
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resolve(null);
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});
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}
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});
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}
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/**
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* Kill any leftover MITM server process (from previous failed start)
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* Uses sudo to kill the node process that was spawned with sudo
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*/
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async function killLeftoverMitm(sudoPassword) {
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// Kill in-memory process if still alive
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if (serverProcess && !serverProcess.killed) {
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try { serverProcess.kill("SIGKILL"); } catch { /* ignore */ }
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serverProcess = null;
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serverPid = null;
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}
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// Kill from PID file
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try {
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if (fs.existsSync(PID_FILE)) {
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const savedPid = parseInt(fs.readFileSync(PID_FILE, "utf-8").trim(), 10);
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if (savedPid && isProcessAlive(savedPid)) {
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killProcess(savedPid, true);
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await new Promise(r => setTimeout(r, 500));
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}
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fs.unlinkSync(PID_FILE);
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}
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} catch { /* ignore */ }
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// Also kill any node process running server.js via sudo (belt-and-suspenders)
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if (!IS_WIN && SERVER_PATH) {
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try {
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const escaped = SERVER_PATH.replace(/'/g, "'\\''");
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if (sudoPassword) {
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const { execWithPassword } = require("./dns/dnsConfig");
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await execWithPassword(`pkill -SIGKILL -f "${escaped}" 2>/dev/null || true`, sudoPassword).catch(() => { });
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} else {
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exec(`pkill -SIGKILL -f "${escaped}" 2>/dev/null || true`, () => { });
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}
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await new Promise(r => setTimeout(r, 500));
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} catch { /* ignore */ }
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}
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}
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/**
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* Poll MITM health endpoint until server is up or timeout.
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* Returns { ok, pid } on success, null on timeout.
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*/
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function pollMitmHealth(timeoutMs, port = MITM_PORT) {
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return new Promise((resolve) => {
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const deadline = Date.now() + timeoutMs;
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const check = () => {
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const req = https.request(
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{ hostname: "127.0.0.1", port, path: "/_mitm_health", method: "GET", rejectUnauthorized: false },
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(res) => {
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let body = "";
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res.on("data", (d) => { body += d; });
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res.on("end", () => {
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try {
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const json = JSON.parse(body);
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resolve(json.ok === true ? { ok: true, pid: json.pid || null } : null);
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} catch { resolve(null); }
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});
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}
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);
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req.on("error", () => {
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if (Date.now() < deadline) setTimeout(check, 500);
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else resolve(null);
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});
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req.end();
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};
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check();
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});
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}
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/**
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* Get MITM status
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*/
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async function getMitmStatus() {
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let running = serverProcess !== null && !serverProcess.killed;
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let pid = serverPid;
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if (!running) {
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try {
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if (fs.existsSync(PID_FILE)) {
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const savedPid = parseInt(fs.readFileSync(PID_FILE, "utf-8").trim(), 10);
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if (savedPid && isProcessAlive(savedPid)) {
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running = true;
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pid = savedPid;
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} else {
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fs.unlinkSync(PID_FILE);
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}
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}
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} catch {
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// Ignore
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}
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}
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const dnsConfigured = checkDNSEntry();
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const certExists = fs.existsSync(path.join(MITM_DIR, "server.crt"));
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return { running, pid, dnsConfigured, certExists };
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}
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/**
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* Start MITM proxy
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* @param {string} apiKey - 9Router API key
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* @param {string} sudoPassword - Sudo password for DNS/cert operations
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*/
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async function startMitm(apiKey, sudoPassword) {
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// Check orphan process from PID file before spawning
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if (!serverProcess || serverProcess.killed) {
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try {
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if (fs.existsSync(PID_FILE)) {
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const savedPid = parseInt(fs.readFileSync(PID_FILE, "utf-8").trim(), 10);
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if (savedPid && isProcessAlive(savedPid)) {
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// Orphan MITM process still alive — reuse it
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serverPid = savedPid;
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console.log(`[MITM] Reusing existing process PID ${savedPid}`);
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await saveMitmSettings(true, sudoPassword);
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if (sudoPassword) setCachedPassword(sudoPassword);
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return { running: true, pid: savedPid };
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} else {
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fs.unlinkSync(PID_FILE);
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}
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}
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} catch {
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// Ignore stale PID file errors
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}
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}
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if (serverProcess && !serverProcess.killed) {
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throw new Error("MITM proxy is already running");
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}
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// Kill any leftover MITM server from a previous failed start attempt
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await killLeftoverMitm(sudoPassword);
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if (!IS_WIN) {
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// Check port 443 availability — Windows handles this inside elevated script
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const portStatus = await checkPort443Free();
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if (portStatus === "in-use" || portStatus === "no-permission") {
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const owner = await getPort443Owner(sudoPassword);
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if (owner && owner.name === "node") {
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// Orphan MITM node process — kill it and continue
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console.log(`[MITM] Killing orphan node process on port 443 (PID ${owner.pid})...`);
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try {
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const { execWithPassword } = require("./dns/dnsConfig");
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await execWithPassword(`kill -9 ${owner.pid}`, sudoPassword);
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await new Promise(r => setTimeout(r, 800));
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} catch { /* best effort */ }
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} else if (owner) {
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const shortName = owner.name.includes("/")
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? owner.name.split("/").filter(Boolean).pop()
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: owner.name;
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throw new Error(
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`Port 443 is already in use by "${shortName}" (PID ${owner.pid}). Stop that process first, then retry.`
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);
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}
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}
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}
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// 1. Generate SSL certificate if not exists (no elevation needed)
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const certPath = path.join(MITM_DIR, "server.crt");
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if (!fs.existsSync(certPath)) {
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console.log("Generating SSL certificate...");
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await generateCert();
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}
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// 4. Spawn MITM server
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console.log("Starting MITM server...");
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if (IS_WIN) {
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// Windows: single UAC via VBScript → elevated PowerShell script that:
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// 1. Installs SSL cert 2. Adds DNS entries 3. Starts node server.js (elevated → can bind 443) 4. Writes flag
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// Node polls flag file to know when server is ready, then health-checks port 443
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const hostsFile = path.join(process.env.SystemRoot || "C:\\Windows", "System32", "drivers", "etc", "hosts");
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const TARGET_HOSTS_WIN = ["daily-cloudcode-pa.googleapis.com", "cloudcode-pa.googleapis.com"];
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// Use Chr(34) in VBScript for quotes — avoid escaping issues
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const flagFile = path.join(os.tmpdir(), `mitm_ready_${Date.now()}.flag`);
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// PowerShell uses single-quoted strings — escape single quotes only
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const psSQ = (s) => s.replace(/'/g, "''");
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const certPs = psSQ(certPath);
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const hostsPs = psSQ(hostsFile);
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const nodePs = psSQ(process.execPath);
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const serverPs = psSQ(SERVER_PATH);
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const flagPs = psSQ(flagFile);
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const dnsLines = TARGET_HOSTS_WIN.map(h =>
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`$hc = Get-Content -Path '${hostsPs}' -Raw -ErrorAction SilentlyContinue\n` +
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`if ($hc -notmatch [regex]::Escape('${h}')) { Add-Content -Path '${hostsPs}' -Value '127.0.0.1 ${h}' -Encoding UTF8 }`
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).join("\n");
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const psScript = [
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`# 0. Kill any orphan node process on port 443`,
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`$conn = Get-NetTCPConnection -LocalPort 443 -State Listen -ErrorAction SilentlyContinue | Select-Object -First 1`,
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`if ($conn -and $conn.OwningProcess -gt 4) { Stop-Process -Id $conn.OwningProcess -Force -ErrorAction SilentlyContinue }`,
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`Start-Sleep -Milliseconds 500`,
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``,
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`# 1. Install SSL cert to Windows Root store (always run to ensure trust)`,
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`& certutil -addstore Root '${certPs}' | Out-Null`,
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``,
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`# 2. Add DNS entries to hosts file`,
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dnsLines,
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`& ipconfig /flushdns | Out-Null`,
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``,
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`# 3. Start node MITM server elevated (required to bind port 443)`,
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`# Use cmd /c to pass env vars inline — Start-Process does not inherit current env`,
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`$nodeCmd = 'set ROUTER_API_KEY=${psSQ(apiKey)}&& set NODE_ENV=production&& "${nodePs}" "${serverPs}"'`,
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`Start-Process cmd -ArgumentList '/c',$nodeCmd -WindowStyle Hidden`,
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``,
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`# 4. Signal ready`,
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`Start-Sleep -Milliseconds 500`,
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`Set-Content -Path '${flagPs}' -Value 'ready' -Encoding UTF8`,
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].join("\n");
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const tmpPs1 = path.join(os.tmpdir(), `mitm_start_${Date.now()}.ps1`);
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fs.writeFileSync(tmpPs1, psScript, "utf8");
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// VBScript uses Shell.Application.ShellExecute to trigger UAC from any context
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// Chr(34) = double-quote, avoids VBScript string escaping issues
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const vbs = [
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`Set oShell = CreateObject("Shell.Application")`,
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`Dim ps`,
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`ps = Chr(34) & "powershell.exe" & Chr(34)`,
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`Dim args`,
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`args = "-NoProfile -ExecutionPolicy Bypass -File " & Chr(34) & "${tmpPs1}" & Chr(34)`,
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`oShell.ShellExecute ps, args, "", "runas", 1`,
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].join("\r\n");
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const tmpVbs = path.join(os.tmpdir(), `mitm_uac_${Date.now()}.vbs`);
|
|
fs.writeFileSync(tmpVbs, vbs, "utf8");
|
|
|
|
// Launch VBScript — shows UAC dialog, user confirms, script runs elevated
|
|
spawn("wscript.exe", [tmpVbs], { stdio: "ignore", windowsHide: false, detached: true }).unref();
|
|
|
|
// Poll flag file — resolves when elevated script completes
|
|
await new Promise((resolve, reject) => {
|
|
const deadline = Date.now() + 90000; // 90s: UAC wait + cert install + node start
|
|
const poll = () => {
|
|
if (fs.existsSync(flagFile)) {
|
|
try { fs.unlinkSync(flagFile); fs.unlinkSync(tmpPs1); fs.unlinkSync(tmpVbs); } catch { /* ignore */ }
|
|
return resolve();
|
|
}
|
|
if (Date.now() > deadline) return reject(new Error("Timed out waiting for UAC confirmation. Please try again."));
|
|
setTimeout(poll, 500);
|
|
};
|
|
poll();
|
|
});
|
|
|
|
if (_updateSettings) await _updateSettings({ mitmCertInstalled: true }).catch(() => { });
|
|
} else {
|
|
// macOS/Linux: install cert + add DNS (requires sudo), then spawn server
|
|
const settings = _getSettings ? await _getSettings().catch(() => ({})) : {};
|
|
const certAlreadyInstalled = settings.mitmCertInstalled && fs.existsSync(certPath);
|
|
if (!certAlreadyInstalled) {
|
|
await installCert(sudoPassword, certPath);
|
|
if (_updateSettings) await _updateSettings({ mitmCertInstalled: true }).catch(() => { });
|
|
}
|
|
console.log("Adding DNS entry...");
|
|
await addDNSEntry(sudoPassword);
|
|
|
|
// sudo -S: read password from stdin, -E: preserve env vars
|
|
const inlineCmd = `ROUTER_API_KEY='${apiKey}' NODE_ENV='production' '${process.execPath}' '${SERVER_PATH}'`;
|
|
serverProcess = spawn(
|
|
"sudo", ["-S", "-E", "sh", "-c", inlineCmd],
|
|
{ detached: false, stdio: ["pipe", "pipe", "pipe"] }
|
|
);
|
|
// Write password then close stdin so sudo proceeds
|
|
serverProcess.stdin.write(`${sudoPassword}\n`);
|
|
serverProcess.stdin.end();
|
|
}
|
|
|
|
// Windows: node was started by elevated script — PID comes from health check later
|
|
if (!IS_WIN && serverProcess) {
|
|
serverPid = serverProcess.pid;
|
|
fs.writeFileSync(PID_FILE, String(serverPid));
|
|
}
|
|
|
|
let startError = null;
|
|
if (!IS_WIN) {
|
|
serverProcess.stdout.on("data", (data) => {
|
|
console.log(`[MITM Server] ${data.toString().trim()}`);
|
|
});
|
|
serverProcess.stderr.on("data", (data) => {
|
|
const msg = data.toString().trim();
|
|
// Capture meaningful errors (ignore sudo password prompt noise)
|
|
if (msg && !msg.includes("Password:") && !msg.includes("password for")) {
|
|
console.error(`[MITM Server Error] ${msg}`);
|
|
startError = msg;
|
|
}
|
|
});
|
|
serverProcess.on("exit", (code) => {
|
|
console.log(`MITM server exited with code ${code}`);
|
|
serverProcess = null;
|
|
serverPid = null;
|
|
try { fs.unlinkSync(PID_FILE); } catch { /* ignore */ }
|
|
});
|
|
}
|
|
|
|
// Wait for server to be ready by polling health endpoint on port 443
|
|
const health = await pollMitmHealth(IS_WIN ? 15000 : 8000, MITM_PORT);
|
|
|
|
if (!health) {
|
|
if (IS_WIN) serverProcess = null;
|
|
try { await removeDNSEntry(sudoPassword); } catch { /* best effort */ }
|
|
const processUsing443 = getProcessUsingPort443();
|
|
const portInfo = processUsing443 ? ` Port 443 already in use by ${processUsing443}.` : "";
|
|
const reason = startError || `Check sudo password or port 443 access.${portInfo}`;
|
|
throw new Error(`MITM server failed to start. ${reason}`);
|
|
}
|
|
|
|
// On Windows, mark cert as installed after successful start
|
|
if (IS_WIN && _updateSettings) await _updateSettings({ mitmCertInstalled: true }).catch(() => { });
|
|
|
|
// On Windows, use real PID from health check (launcher exits immediately after UAC)
|
|
if (IS_WIN && health.pid) {
|
|
serverPid = health.pid;
|
|
fs.writeFileSync(PID_FILE, String(serverPid));
|
|
}
|
|
|
|
await saveMitmSettings(true, sudoPassword);
|
|
if (sudoPassword) setCachedPassword(sudoPassword);
|
|
|
|
return { running: true, pid: serverPid };
|
|
}
|
|
|
|
/**
|
|
* Stop MITM proxy
|
|
* @param {string} sudoPassword - Sudo password for DNS cleanup
|
|
*/
|
|
async function stopMitm(sudoPassword) {
|
|
const proc = serverProcess;
|
|
if (proc && !proc.killed) {
|
|
console.log("Stopping MITM server...");
|
|
killProcess(proc.pid, false);
|
|
await new Promise(resolve => setTimeout(resolve, 1000));
|
|
if (isProcessAlive(proc.pid)) killProcess(proc.pid, true);
|
|
serverProcess = null;
|
|
serverPid = null;
|
|
} else {
|
|
try {
|
|
if (fs.existsSync(PID_FILE)) {
|
|
const savedPid = parseInt(fs.readFileSync(PID_FILE, "utf-8").trim(), 10);
|
|
if (savedPid && isProcessAlive(savedPid)) {
|
|
console.log(`Killing MITM server (PID: ${savedPid})...`);
|
|
killProcess(savedPid, false);
|
|
await new Promise(resolve => setTimeout(resolve, 1000));
|
|
if (isProcessAlive(savedPid)) killProcess(savedPid, true);
|
|
}
|
|
}
|
|
} catch { /* ignore */ }
|
|
serverProcess = null;
|
|
serverPid = null;
|
|
}
|
|
|
|
if (IS_WIN) {
|
|
// Windows stop: remove DNS entries via elevated VBScript (1 UAC)
|
|
const hostsFile = path.join(process.env.SystemRoot || "C:\\Windows", "System32", "drivers", "etc", "hosts");
|
|
const TARGET_HOSTS_WIN = ["daily-cloudcode-pa.googleapis.com", "cloudcode-pa.googleapis.com"];
|
|
const psSQ = (s) => s.replace(/'/g, "''");
|
|
|
|
// Filter hosts content in Node (read doesn't need elevation)
|
|
let hostsContent = "";
|
|
try { hostsContent = fs.readFileSync(hostsFile, "utf8"); } catch { /* ignore */ }
|
|
const filtered = hostsContent.split(/\r?\n/)
|
|
.filter(l => !TARGET_HOSTS_WIN.some(h => l.includes(h)))
|
|
.join("\r\n");
|
|
const tmpHosts = path.join(os.tmpdir(), "mitm_hosts_clean.tmp");
|
|
fs.writeFileSync(tmpHosts, filtered, "utf8");
|
|
|
|
const flagFile = path.join(os.tmpdir(), "mitm_stop_done.flag");
|
|
const psScript = [
|
|
`Copy-Item -Path '${psSQ(tmpHosts)}' -Destination '${psSQ(hostsFile)}' -Force`,
|
|
`& ipconfig /flushdns | Out-Null`,
|
|
`Remove-Item '${psSQ(tmpHosts)}' -ErrorAction SilentlyContinue`,
|
|
`Set-Content -Path '${psSQ(flagFile)}' -Value 'done' -Encoding UTF8`,
|
|
].join("\n");
|
|
const tmpPs1 = path.join(os.tmpdir(), "mitm_stop.ps1");
|
|
fs.writeFileSync(tmpPs1, psScript, "utf8");
|
|
|
|
const vbs = [
|
|
`Set oShell = CreateObject("Shell.Application")`,
|
|
`Dim args`,
|
|
`args = "-NoProfile -ExecutionPolicy Bypass -File " & Chr(34) & "${tmpPs1}" & Chr(34)`,
|
|
`oShell.ShellExecute "powershell.exe", args, "", "runas", 1`,
|
|
].join("\r\n");
|
|
const tmpVbs = path.join(os.tmpdir(), "mitm_stop_uac.vbs");
|
|
fs.writeFileSync(tmpVbs, vbs, "utf8");
|
|
spawn("wscript.exe", [tmpVbs], { stdio: "ignore", windowsHide: false, detached: true }).unref();
|
|
|
|
// Poll flag — best effort, don't block UI if user cancels UAC
|
|
await new Promise((resolve) => {
|
|
const deadline = Date.now() + 30000;
|
|
const poll = () => {
|
|
if (fs.existsSync(flagFile)) {
|
|
try { fs.unlinkSync(flagFile); fs.unlinkSync(tmpPs1); fs.unlinkSync(tmpVbs); } catch { /* ignore */ }
|
|
return resolve();
|
|
}
|
|
if (Date.now() > deadline) return resolve();
|
|
setTimeout(poll, 500);
|
|
};
|
|
poll();
|
|
});
|
|
} else {
|
|
console.log("Removing DNS entry...");
|
|
await removeDNSEntry(sudoPassword);
|
|
}
|
|
|
|
try { fs.unlinkSync(PID_FILE); } catch { /* ignore */ }
|
|
|
|
await saveMitmSettings(false, null);
|
|
|
|
return { running: false, pid: null };
|
|
}
|
|
|
|
module.exports = {
|
|
getMitmStatus,
|
|
startMitm,
|
|
stopMitm,
|
|
getCachedPassword,
|
|
setCachedPassword,
|
|
loadEncryptedPassword,
|
|
initDbHooks,
|
|
};
|