mirror of https://git.tuxpa.in/a/code-server.git
102 lines
3.3 KiB
TypeScript
102 lines
3.3 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as errors from 'vs/base/common/errors';
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import * as uuid from 'vs/base/common/uuid';
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import { networkInterfaces } from 'os';
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import { TernarySearchTree } from 'vs/base/common/map';
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import { getMac } from 'vs/base/node/macAddress';
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// http://www.techrepublic.com/blog/data-center/mac-address-scorecard-for-common-virtual-machine-platforms/
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// VMware ESX 3, Server, Workstation, Player 00-50-56, 00-0C-29, 00-05-69
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// Microsoft Hyper-V, Virtual Server, Virtual PC 00-03-FF
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// Parallels Desktop, Workstation, Server, Virtuozzo 00-1C-42
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// Virtual Iron 4 00-0F-4B
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// Red Hat Xen 00-16-3E
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// Oracle VM 00-16-3E
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// XenSource 00-16-3E
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// Novell Xen 00-16-3E
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// Sun xVM VirtualBox 08-00-27
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export const virtualMachineHint: { value(): number } = new class {
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private _virtualMachineOUIs?: TernarySearchTree<string, boolean>;
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private _value?: number;
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private _isVirtualMachineMacAdress(mac: string): boolean {
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if (!this._virtualMachineOUIs) {
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this._virtualMachineOUIs = TernarySearchTree.forStrings<boolean>();
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// dash-separated
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this._virtualMachineOUIs.set('00-50-56', true);
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this._virtualMachineOUIs.set('00-0C-29', true);
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this._virtualMachineOUIs.set('00-05-69', true);
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this._virtualMachineOUIs.set('00-03-FF', true);
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this._virtualMachineOUIs.set('00-1C-42', true);
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this._virtualMachineOUIs.set('00-16-3E', true);
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this._virtualMachineOUIs.set('08-00-27', true);
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// colon-separated
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this._virtualMachineOUIs.set('00:50:56', true);
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this._virtualMachineOUIs.set('00:0C:29', true);
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this._virtualMachineOUIs.set('00:05:69', true);
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this._virtualMachineOUIs.set('00:03:FF', true);
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this._virtualMachineOUIs.set('00:1C:42', true);
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this._virtualMachineOUIs.set('00:16:3E', true);
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this._virtualMachineOUIs.set('08:00:27', true);
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}
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return !!this._virtualMachineOUIs.findSubstr(mac);
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}
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value(): number {
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if (this._value === undefined) {
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let vmOui = 0;
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let interfaceCount = 0;
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const interfaces = networkInterfaces();
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for (let name in interfaces) {
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if (Object.prototype.hasOwnProperty.call(interfaces, name)) {
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for (const { mac, internal } of interfaces[name]) {
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if (!internal) {
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interfaceCount += 1;
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if (this._isVirtualMachineMacAdress(mac.toUpperCase())) {
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vmOui += 1;
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}
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}
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}
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}
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}
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this._value = interfaceCount > 0
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? vmOui / interfaceCount
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: 0;
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}
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return this._value;
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}
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};
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let machineId: Promise<string>;
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export async function getMachineId(): Promise<string> {
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if (!machineId) {
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machineId = (async () => {
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const id = await getMacMachineId();
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return id || uuid.generateUuid(); // fallback, generate a UUID
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})();
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}
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return machineId;
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}
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async function getMacMachineId(): Promise<string | undefined> {
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try {
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const crypto = await import('crypto');
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const macAddress = await getMac();
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return crypto.createHash('sha256').update(macAddress, 'utf8').digest('hex');
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} catch (err) {
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errors.onUnexpectedError(err);
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return undefined;
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}
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}
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