OctoLauncher 1.3.1

Manifest-based CDN updater and mod manager for the OctoWoW 1.12.1 client: launcher-owned realmlist, torrent-backed content sync with bundled aria2c, antivirus and Defender exclusion handling, hardware-aware render distance, optional client tweaks and mods, and the in-launcher news feed.
2026-08-14 01:45:50 +00:00
commit 5dca94a3fc
124 changed files with 24276 additions and 0 deletions
@@ -0,0 +1,192 @@
+import { spawn } from 'node:child_process';
+import fs from 'node:fs';
+import os from 'node:os';
+import path from 'node:path';
+
+import { app } from 'electron';
+import Logger from 'electron-log/main';
+
+import Preferences from './preferences';
+
+export type ExclusionResult = { ok: boolean; error?: string; paths?: string[] };
+
+const psSingleQuote = (s: string) => `'${s.replace(/'/g, "''")}'`;
+
+export const addDefenderExclusions = async (): Promise<ExclusionResult> => {
+	if (os.platform() !== 'win32')
+		return {
+			ok: false,
+			error: 'Antivirus exclusions are only needed on Windows.'
+		};
+
+	const clientDir = Preferences.data.clientDir;
+	if (!clientDir)
+		return {
+			ok: false,
+			error: 'Set your game folder first, then add the exclusion.'
+		};
+
+	const launcherDir =
+		process.env.PORTABLE_EXECUTABLE_DIR ?? path.dirname(app.getPath('exe'));
+	const paths = [...new Set([clientDir, launcherDir])];
+
+	const resultFile = path.join(
+		os.tmpdir(),
+		`octo-defender-${process.pid}-${Date.now()}.txt`
+	);
+	const write = (v: string) =>
+		`Set-Content -LiteralPath ${psSingleQuote(
+			resultFile
+		)} -Value "${v}" -Encoding ASCII`;
+
+	const inner = [
+		'try {',
+		...paths.map(
+			p =>
+				`  Add-MpPreference -ExclusionPath ${psSingleQuote(
+					p
+				)} -ErrorAction Stop`
+		),
+		'  Add-MpPreference -ExclusionProcess "WoW.exe" -ErrorAction Stop',
+		'  Add-MpPreference -ExclusionProcess "VanillaFixes.exe" -ErrorAction Stop',
+		`  ${write('OK')}`,
+		'} catch {',
+		'  $t = $false',
+		'  try { $t = (Get-MpComputerStatus).IsTamperProtected } catch {}',
+		`  if ($t) { ${write('TAMPER')} } else { ${write('FAIL')} }`,
+		'}'
+	].join('\n');
+	const encoded = Buffer.from(inner, 'utf16le').toString('base64');
+
+	const outer =
+		'try { Start-Process powershell -Verb RunAs -WindowStyle Hidden -Wait ' +
+		"-ArgumentList '-NoProfile','-NonInteractive'," +
+		`'-EncodedCommand','${encoded}' } catch { exit 1 }`;
+
+	return new Promise<ExclusionResult>(resolve => {
+		const child = spawn(
+			'powershell.exe',
+			['-NoProfile', '-NonInteractive', '-Command', outer],
+			{ windowsHide: true }
+		);
+		let stderr = '';
+		child.stderr.on('data', d => (stderr += String(d)));
+		child.on('error', e => {
+			Logger.error('Failed to launch PowerShell for Defender exclusion', e);
+			resolve({ ok: false, error: 'Could not run Windows PowerShell.' });
+		});
+		child.on('exit', code => {
+			let result: string | null = null;
+			try {
+				result = fs.readFileSync(resultFile, 'utf8').trim();
+			} catch {}
+			try {
+				fs.rmSync(resultFile, { force: true });
+			} catch {}
+
+			if (result === 'OK') {
+				Logger.info(`Added Defender exclusions: ${paths.join(', ')}`);
+				resolve({ ok: true, paths });
+				return;
+			}
+			if (result === 'TAMPER') {
+				Logger.error('Defender exclusion blocked by Tamper Protection');
+				resolve({
+					ok: false,
+					error:
+						'Windows Security Tamper Protection is blocking this. Turn it off in Windows Security, or add your game folder by hand under Exclusions.'
+				});
+				return;
+			}
+			if (result === 'FAIL') {
+				Logger.error(`Defender exclusion failed: ${stderr}`.trim());
+				resolve({
+					ok: false,
+					error:
+						'Windows would not add the exclusion. You can add your game folder by hand in Windows Security, under Exclusions.'
+				});
+				return;
+			}
+			Logger.warn(
+				`Defender exclusion: no result (exit ${code}) ${stderr}`.trim()
+			);
+			resolve({
+				ok: false,
+				error:
+					'Windows did not grant permission. Click Yes on the User Account Control prompt to add the exclusion.'
+			});
+		});
+	});
+};
+
+const SENSITIVE_FILES = [
+	'WoW.exe',
+	'VanillaFixes.exe',
+	'd3d9.dll',
+	'UnitXP_SP3.dll',
+	'nampower.dll',
+	'VfPatcher.dll',
+	'VanillaHelpers.dll',
+	'VanillaMultiMonitorFix.dll',
+	'transmogfix.dll'
+];
+
+export const detectAntivirusBlocks = async (): Promise<string[]> => {
+	if (os.platform() !== 'win32') return [];
+
+	const clientDir = Preferences.data.clientDir;
+	const launcherDir =
+		process.env.PORTABLE_EXECUTABLE_DIR ?? path.dirname(app.getPath('exe'));
+	const roots = [clientDir, launcherDir]
+		.filter((p): p is string => !!p)
+		.map(p => p.toLowerCase());
+	if (!roots.length) return [];
+
+	const blocked = new Set<string>();
+
+	if (clientDir && Preferences.data.syncedTorrentHash)
+		for (const name of SENSITIVE_FILES)
+			if (!fs.existsSync(path.join(clientDir, name))) blocked.add(name);
+
+	const script =
+		'Get-MpThreatDetection | Where-Object ' +
+		'{ $_.InitialDetectionTime -gt (Get-Date).AddHours(-12) } | ' +
+		'Select-Object -ExpandProperty Resources';
+	await new Promise<void>(resolve => {
+		const child = spawn(
+			'powershell.exe',
+			['-NoProfile', '-NonInteractive', '-Command', script],
+			{ windowsHide: true }
+		);
+		let out = '';
+		let settled = false;
+		const timer = setTimeout(() => {
+			try {
+				child.kill();
+			} catch {}
+		}, 15_000);
+		const finish = () => {
+			if (settled) return;
+			settled = true;
+			clearTimeout(timer);
+			resolve();
+		};
+		child.stdout.on('data', d => (out += String(d)));
+		child.on('error', finish);
+		child.on('exit', () => {
+			for (const line of out.split(/\r?\n/)) {
+				const m = /^file:_?(.+)$/.exec(line.trim());
+				if (!m) continue;
+				const full = m[1];
+				if (
+					roots.some(r => full.toLowerCase().startsWith(r)) &&
+					!fs.existsSync(full)
+				)
+					blocked.add(path.basename(full));
+			}
+			finish();
+		});
+	});
+
+	return [...blocked];
+};