Files
azuredatastudio/src/vs/base/node/id.ts

94 lines
3.0 KiB
TypeScript

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