mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-12-26 07:05:52 -05:00
750 lines
30 KiB
JavaScript
750 lines
30 KiB
JavaScript
/*
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Copyright 2018 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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var NOTIFY_FOR_THIS_SESSION = 0;
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var NOTIFY_FOR_ALL_SESSIONS = 1;
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var WM_WTSSESSION_CHANGE = 0x02B1;
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var WM_POWERBROADCAST = 0x218;
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var PBT_POWERSETTINGCHANGE = 0x8013;
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var PBT_APMSUSPEND = 0x4;
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var PBT_APMRESUMESUSPEND = 0x7;
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var PBT_APMRESUMEAUTOMATIC = 0x12;
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var PBT_APMPOWERSTATUSCHANGE = 0xA;
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var WTS_CONSOLE_CONNECT = (0x1);
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var WTS_CONSOLE_DISCONNECT = (0x2);
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var WTS_REMOTE_CONNECT = (0x3);
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var WTS_REMOTE_DISCONNECT = (0x4);
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var WTS_SESSION_LOGON = (0x5);
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var WTS_SESSION_LOGOFF = (0x6);
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var WTS_SESSION_LOCK = (0x7);
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var WTS_SESSION_UNLOCK = (0x8);
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var WTS_SESSION_REMOTE_CONTROL = (0x9);
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var WTS_SESSION_CREATE = (0xA);
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var WTS_SESSION_TERMINATE = (0xB);
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var GUID_ACDC_POWER_SOURCE;
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var GUID_BATTERY_PERCENTAGE_REMAINING;
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var GUID_CONSOLE_DISPLAY_STATE;
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function UserSessions()
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{
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this._ObjectID = 'user-sessions';
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require('events').EventEmitter.call(this, true)
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.createEvent('changed')
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.createEvent('locked')
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.createEvent('unlocked');
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this.enumerateUsers = function enumerateUsers()
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{
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var promise = require('promise');
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var p = new promise(function (res, rej)
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{
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this.__resolver = res;
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this.__rejector = rej;
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});
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p.__handler = function __handler(users)
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{
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p.__resolver(users);
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};
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try
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{
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this.Current(p.__handler);
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}
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catch(e)
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{
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p.__rejector(e);
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}
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p.parent = this;
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return (p);
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}
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if (process.platform == 'win32')
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{
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this._serviceHooked = false;
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this._marshal = require('_GenericMarshal');
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this._kernel32 = this._marshal.CreateNativeProxy('Kernel32.dll');
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this._kernel32.CreateMethod('GetLastError');
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try
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{
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this._wts = this._marshal.CreateNativeProxy('Wtsapi32.dll');
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this._wts.CreateMethod('WTSEnumerateSessionsA');
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this._wts.CreateMethod('WTSQuerySessionInformationA');
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this._wts.CreateMethod('WTSRegisterSessionNotification');
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this._wts.CreateMethod('WTSUnRegisterSessionNotification');
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this._wts.CreateMethod('WTSFreeMemory');
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}
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catch(exc)
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{
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}
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this._advapi = this._marshal.CreateNativeProxy('Advapi32.dll');
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this._advapi.CreateMethod('AllocateAndInitializeSid');
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this._advapi.CreateMethod('CheckTokenMembership');
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this._advapi.CreateMethod('FreeSid');
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this._user32 = this._marshal.CreateNativeProxy('user32.dll');
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this._user32.CreateMethod({ method: 'RegisterPowerSettingNotification', threadDispatch: 1});
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this._user32.CreateMethod('UnregisterPowerSettingNotification');
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this._rpcrt = this._marshal.CreateNativeProxy('Rpcrt4.dll');
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this._rpcrt.CreateMethod('UuidFromStringA');
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this._rpcrt.StringToUUID = function StringToUUID(guid)
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{
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var retVal = StringToUUID.us._marshal.CreateVariable(16);
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if(StringToUUID.us._rpcrt.UuidFromStringA(StringToUUID.us._marshal.CreateVariable(guid), retVal).Val == 0)
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{
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return (retVal);
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}
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else
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{
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throw ('Could not convert string to UUID');
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}
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}
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this._rpcrt.StringToUUID.us = this;
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GUID_ACDC_POWER_SOURCE = this._rpcrt.StringToUUID('5d3e9a59-e9D5-4b00-a6bd-ff34ff516548');
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GUID_BATTERY_PERCENTAGE_REMAINING = this._rpcrt.StringToUUID('a7ad8041-b45a-4cae-87a3-eecbb468a9e1');
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GUID_CONSOLE_DISPLAY_STATE = this._rpcrt.StringToUUID('6fe69556-704a-47a0-8f24-c28d936fda47');
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this.SessionStates = ['Active', 'Connected', 'ConnectQuery', 'Shadow', 'Disconnected', 'Idle', 'Listening', 'Reset', 'Down', 'Init'];
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this.InfoClass =
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{
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'WTSInitialProgram': 0,
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'WTSApplicationName': 1,
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'WTSWorkingDirectory': 2,
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'WTSOEMId': 3,
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'WTSSessionId': 4,
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'WTSUserName': 5,
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'WTSWinStationName': 6,
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'WTSDomainName': 7,
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'WTSConnectState': 8,
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'WTSClientBuildNumber': 9,
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'WTSClientName': 10,
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'WTSClientDirectory': 11,
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'WTSClientProductId': 12,
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'WTSClientHardwareId': 13,
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'WTSClientAddress': 14,
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'WTSClientDisplay': 15,
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'WTSClientProtocolType': 16,
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'WTSIdleTime': 17,
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'WTSLogonTime': 18,
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'WTSIncomingBytes': 19,
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'WTSOutgoingBytes': 20,
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'WTSIncomingFrames': 21,
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'WTSOutgoingFrames': 22,
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'WTSClientInfo': 23,
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'WTSSessionInfo': 24,
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'WTSSessionInfoEx': 25,
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'WTSConfigInfo': 26,
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'WTSValidationInfo': 27,
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'WTSSessionAddressV4': 28,
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'WTSIsRemoteSession': 29
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};
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this.isRoot = function isRoot()
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{
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var NTAuthority = this._marshal.CreateVariable(6);
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NTAuthority.toBuffer().writeInt8(5, 5);
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var AdministratorsGroup = this._marshal.CreatePointer();
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var admin = false;
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if (this._advapi.AllocateAndInitializeSid(NTAuthority, 2, 32, 544, 0, 0, 0, 0, 0, 0, AdministratorsGroup).Val != 0)
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{
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var member = this._marshal.CreateInteger();
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if (this._advapi.CheckTokenMembership(0, AdministratorsGroup.Deref(), member).Val != 0)
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{
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if (member.toBuffer().readUInt32LE() != 0) { admin = true; }
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}
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this._advapi.FreeSid(AdministratorsGroup.Deref());
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}
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return admin;
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}
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this.getSessionAttribute = function getSessionAttribute(sessionId, attr)
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{
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var buffer = this._marshal.CreatePointer();
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var bytesReturned = this._marshal.CreateVariable(4);
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if (this._wts.WTSQuerySessionInformationA(0, sessionId, attr, buffer, bytesReturned).Val == 0)
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{
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throw ('Error calling WTSQuerySessionInformation: ' + this._kernel32.GetLastError.Val);
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}
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var retVal = buffer.Deref().String;
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this._wts.WTSFreeMemory(buffer.Deref());
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return (retVal);
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};
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this.Current = function Current(cb)
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{
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var retVal = {};
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var pinfo = this._marshal.CreatePointer();
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var count = this._marshal.CreateVariable(4);
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if (this._wts.WTSEnumerateSessionsA(0, 0, 1, pinfo, count).Val == 0)
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{
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throw ('Error calling WTSEnumerateSessionsA: ' + this._kernel32.GetLastError().Val);
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}
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for (var i = 0; i < count.toBuffer().readUInt32LE() ; ++i)
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{
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var info = pinfo.Deref().Deref(i * (this._marshal.PointerSize == 4 ? 12 : 24), this._marshal.PointerSize == 4 ? 12 : 24);
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var j = { SessionId: info.toBuffer().readUInt32LE() };
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j.StationName = info.Deref(this._marshal.PointerSize == 4 ? 4 : 8, this._marshal.PointerSize).Deref().String;
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j.State = this.SessionStates[info.Deref(this._marshal.PointerSize == 4 ? 8 : 16, 4).toBuffer().readUInt32LE()];
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if (j.State == 'Active') {
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j.Username = this.getSessionAttribute(j.SessionId, this.InfoClass.WTSUserName);
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j.Domain = this.getSessionAttribute(j.SessionId, this.InfoClass.WTSDomainName);
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}
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retVal[j.SessionId] = j;
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}
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this._wts.WTSFreeMemory(pinfo.Deref());
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Object.defineProperty(retVal, 'Active', { value: showActiveOnly(retVal) });
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if (cb) { cb(retVal); }
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return (retVal);
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};
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// We need to spin up a message pump, and fetch a window handle
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var message_pump = require('win-message-pump');
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this._messagepump = new message_pump({ filter: WM_WTSSESSION_CHANGE }); this._messagepump.parent = this;
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this._messagepump.on('exit', function (code) { this.parent._wts.WTSUnRegisterSessionNotification(this.parent.hwnd); });
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this._messagepump.on('hwnd', function (h)
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{
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this.parent.hwnd = h;
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// We need to yield, and do this in the next event loop pass, becuase we don't want to call 'RegisterPowerSettingNotification'
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// from the messagepump 'thread', because we are actually on the microstack thread, such that the message pump thread, is holding
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// on a semaphore for us to return. If we call now, we may deadlock on Windows 7, becuase it will try to notify immediately
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this.immediate = setImmediate(function (self)
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{
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// Now that we have a window handle, we can register it to receive Windows Messages
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if (self.parent._wts) { self.parent._wts.WTSRegisterSessionNotification(self.parent.hwnd, NOTIFY_FOR_ALL_SESSIONS); }
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self.parent._user32.ACDC_H = self.parent._user32.RegisterPowerSettingNotification(self.parent.hwnd, GUID_ACDC_POWER_SOURCE, 0);
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self.parent._user32.BATT_H = self.parent._user32.RegisterPowerSettingNotification(self.parent.hwnd, GUID_BATTERY_PERCENTAGE_REMAINING, 0);
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self.parent._user32.DISP_H = self.parent._user32.RegisterPowerSettingNotification(self.parent.hwnd, GUID_CONSOLE_DISPLAY_STATE, 0);
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//console.log(self.parent._user32.ACDC_H.Val, self.parent._user32.BATT_H.Val, self.parent._user32.DISP_H.Val);
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}, this);
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});
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this._messagepump.on('message', function (msg)
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{
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switch(msg.message)
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{
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case WM_WTSSESSION_CHANGE:
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switch(msg.wparam)
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{
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case WTS_SESSION_LOCK:
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this.parent.enumerateUsers().then(function (users)
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{
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if (users[msg.lparam]) { this.parent.emit('locked', users[msg.lparam]); }
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});
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break;
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case WTS_SESSION_UNLOCK:
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this.parent.enumerateUsers().then(function (users)
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{
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if (users[msg.lparam]) { this.parent.emit('unlocked', users[msg.lparam]); }
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});
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break;
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case WTS_SESSION_LOGON:
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case WTS_SESSION_LOGOFF:
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this.parent.emit('changed');
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break;
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}
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break;
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case WM_POWERBROADCAST:
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switch(msg.wparam)
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{
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default:
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console.log('WM_POWERBROADCAST [UNKNOWN wparam]: ' + msg.wparam);
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break;
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case PBT_APMSUSPEND:
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require('power-monitor').emit('sx', 'SLEEP');
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break;
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case PBT_APMRESUMEAUTOMATIC:
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require('power-monitor').emit('sx', 'RESUME_NON_INTERACTIVE');
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break;
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case PBT_APMRESUMESUSPEND:
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require('power-monitor').emit('sx', 'RESUME_INTERACTIVE');
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break;
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case PBT_APMPOWERSTATUSCHANGE:
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require('power-monitor').emit('changed');
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break;
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case PBT_POWERSETTINGCHANGE:
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var lparam = this.parent._marshal.CreatePointer(Buffer.from(msg.lparam_hex, 'hex'));
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var data = lparam.Deref(20, lparam.Deref(16, 4).toBuffer().readUInt32LE(0)).toBuffer();
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switch(lparam.Deref(0, 16).toBuffer().toString('hex'))
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{
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case GUID_ACDC_POWER_SOURCE.Deref(0, 16).toBuffer().toString('hex'):
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switch(data.readUInt32LE(0))
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{
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case 0:
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require('power-monitor').emit('acdc', 'AC');
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break;
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case 1:
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require('power-monitor').emit('acdc', 'BATTERY');
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break;
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case 2:
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require('power-monitor').emit('acdc', 'HOT');
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break;
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}
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break;
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case GUID_BATTERY_PERCENTAGE_REMAINING.Deref(0, 16).toBuffer().toString('hex'):
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require('power-monitor').emit('batteryLevel', data.readUInt32LE(0));
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break;
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case GUID_CONSOLE_DISPLAY_STATE.Deref(0, 16).toBuffer().toString('hex'):
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switch(data.readUInt32LE(0))
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{
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case 0:
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require('power-monitor').emit('display', 'OFF');
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break;
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case 1:
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require('power-monitor').emit('display', 'ON');
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break;
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case 2:
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require('power-monitor').emit('display', 'DIMMED');
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break;
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}
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break;
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}
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break;
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}
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break;
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default:
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break;
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}
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});
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}
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else if(process.platform == 'linux')
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{
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var dbus = require('linux-dbus');
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this._linuxWatcher = require('fs').watch('/var/run/utmp');
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this._linuxWatcher.user_session = this;
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this._linuxWatcher.on('change', function (a, b)
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{
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this.user_session.emit('changed');
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});
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this._users = function _users()
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{
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var child = require('child_process').execFile('/bin/sh', ['sh']);
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child.stdout.str = '';
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child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
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child.stdin.write('awk -F: \'($3 >= 0) {printf "%s:%s\\n", $1, $3}\' /etc/passwd\nexit\n');
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child.waitExit();
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var lines = child.stdout.str.split('\n');
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var ret = {}, tokens;
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for (var ln in lines)
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{
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tokens = lines[ln].split(':');
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if (tokens[0]) { ret[tokens[0]] = tokens[1]; }
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}
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return (ret);
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}
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this._uids = function _uids() {
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var child = require('child_process').execFile('/bin/sh', ['sh']);
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child.stdout.str = '';
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child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
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child.stdin.write('awk -F: \'($3 >= 0) {printf "%s:%s\\n", $1, $3}\' /etc/passwd\nexit\n');
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child.waitExit();
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var lines = child.stdout.str.split('\n');
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var ret = {}, tokens;
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for (var ln in lines) {
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tokens = lines[ln].split(':');
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if (tokens[0]) { ret[tokens[1]] = tokens[0]; }
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}
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return (ret);
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}
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this.Self = function Self()
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{
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var promise = require('promise');
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var p = new promise(function (res, rej)
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{
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this.__resolver = res; this.__rejector = rej;
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this.__child = require('child_process').execFile('/usr/bin/id', ['id', '-u']);
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this.__child.promise = this;
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this.__child.stdout._txt = '';
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this.__child.stdout.on('data', function (chunk) { this._txt += chunk.toString(); });
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this.__child.on('exit', function (code)
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{
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try
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{
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parseInt(this.stdout._txt);
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}
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catch (e)
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{
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this.promise.__rejector('invalid uid');
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return;
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}
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var id = parseInt(this.stdout._txt);
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this.promise.__resolver(id);
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});
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});
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return (p);
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};
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this.Current = function Current(cb)
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{
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var retVal = {};
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retVal._ObjectID = 'UserSession'
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Object.defineProperty(retVal, '_callback', { value: cb });
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Object.defineProperty(retVal, '_child', { value: require('child_process').execFile('/usr/bin/last', ['last', '-f', '/var/run/utmp']) });
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retVal._child.Parent = retVal;
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retVal._child._txt = '';
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retVal._child.on('exit', function (code)
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{
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var lines = this._txt.split('\n');
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var sessions = [];
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var users = {};
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for(var i in lines)
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{
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if (lines[i])
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{
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var tokens = getTokens(lines[i]);
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var s = { Username: tokens[0], SessionId: tokens[1] }
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if (tokens[3].includes('still logged in'))
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{
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s.State = 'Active';
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}
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else
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{
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s.LastActive = tokens[3];
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}
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sessions.push(s);
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}
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}
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sessions.pop();
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var usernames = {};
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var promises = [];
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for (var i in sessions)
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{
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if (sessions[i].Username != 'reboot')
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{
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users[sessions[i].SessionId] = sessions[i];
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if(usernames[sessions[i].Username] == null)
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{
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usernames[sessions[i].Username] = -1;
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}
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}
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}
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try
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{
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require('promise');
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}
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catch(e)
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{
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Object.defineProperty(users, 'Active', { value: showActiveOnly(users) });
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if (this.Parent._callback) { this.Parent._callback.call(this.Parent, users); }
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return;
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}
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var promise = require('promise');
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for (var n in usernames)
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{
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var p = new promise(function (res, rej)
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{
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this.__username = n;
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this.__resolver = res; this.__rejector = rej;
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this.__child = require('child_process').execFile('/usr/bin/id', ['id', '-u', n]);
|
|
this.__child.promise = this;
|
|
this.__child.stdout._txt = '';
|
|
this.__child.stdout.on('data', function (chunk) { this._txt += chunk.toString(); });
|
|
this.__child.on('exit', function (code)
|
|
{
|
|
try
|
|
{
|
|
parseInt(this.stdout._txt);
|
|
}
|
|
catch(e)
|
|
{
|
|
this.promise.__rejector('invalid uid');
|
|
return;
|
|
}
|
|
|
|
var id = parseInt(this.stdout._txt);
|
|
this.promise.__resolver(id);
|
|
});
|
|
});
|
|
promises.push(p);
|
|
}
|
|
promise.all(promises).then(function (plist)
|
|
{
|
|
// Done
|
|
var table = {};
|
|
for(var i in plist)
|
|
{
|
|
table[plist[i].__username] = plist[i]._internal.completedArgs[0];
|
|
}
|
|
for(var i in users)
|
|
{
|
|
users[i].uid = table[users[i].Username];
|
|
}
|
|
Object.defineProperty(users, 'Active', { value: showActiveOnly(users) });
|
|
if (retVal._callback) { retVal._callback.call(retVal, users); }
|
|
}, function (reason)
|
|
{
|
|
// Failed
|
|
Object.defineProperty(users, 'Active', { value: showActiveOnly(users) });
|
|
if (retVal._callback) { retVal._callback.call(retVal, users); }
|
|
});
|
|
});
|
|
retVal._child.stdout.Parent = retVal._child;
|
|
retVal._child.stdout.on('data', function (chunk) { this.Parent._txt += chunk.toString(); });
|
|
|
|
return (retVal);
|
|
}
|
|
this._recheckLoggedInUsers = function _recheckLoggedInUsers()
|
|
{
|
|
this.enumerateUsers().then(function (u)
|
|
{
|
|
|
|
if (u.Active.length > 0)
|
|
{
|
|
// There is already a user logged in, so we can monitor DBUS for lock/unlock
|
|
if (this.parent._linux_lock_watcher != null && this.parent._linux_lock_watcher.uid != u.Active[0].uid)
|
|
{
|
|
delete this.parent._linux_lock_watcher;
|
|
}
|
|
this.parent._linux_lock_watcher = new dbus(process.env['XDG_CURRENT_DESKTOP'] == 'Unity' ? 'com.ubuntu.Upstart0_6' : 'org.gnome.ScreenSaver', u.Active[0].uid);
|
|
this.parent._linux_lock_watcher.user_session = this.parent;
|
|
this.parent._linux_lock_watcher.on('signal', function (s)
|
|
{
|
|
var p = this.user_session.enumerateUsers();
|
|
p.signalData = s.data[0];
|
|
p.then(function (u)
|
|
{
|
|
switch (this.signalData)
|
|
{
|
|
case true:
|
|
case 'desktop-lock':
|
|
this.parent.emit('locked', u.Active[0]);
|
|
break;
|
|
case false:
|
|
case 'desktop-unlock':
|
|
this.parent.emit('unlocked', u.Active[0]);
|
|
break;
|
|
}
|
|
});
|
|
});
|
|
}
|
|
else if (this.parent._linux_lock_watcher != null)
|
|
{
|
|
delete this.parent._linux_lock_watcher;
|
|
}
|
|
});
|
|
|
|
};
|
|
this.on('changed', this._recheckLoggedInUsers); // For linux Lock/Unlock monitoring, we need to watch for LogOn/LogOff, and keep track of the UID.
|
|
|
|
|
|
// First step, is to see if there is a user logged in:
|
|
this._recheckLoggedInUsers();
|
|
}
|
|
else if(process.platform == 'darwin')
|
|
{
|
|
this._users = function ()
|
|
{
|
|
var child = require('child_process').execFile('/usr/bin/dscl', ['dscl', '.', 'list', '/Users', 'UniqueID']);
|
|
child.stdout.str = '';
|
|
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
|
|
child.stdin.write('exit\n');
|
|
child.waitExit();
|
|
|
|
var lines = child.stdout.str.split('\n');
|
|
var tokens, i;
|
|
var users = {};
|
|
|
|
for (i = 0; i < lines.length; ++i) {
|
|
tokens = lines[i].split(' ');
|
|
if (tokens[0]) { users[tokens[0]] = tokens[tokens.length - 1]; }
|
|
}
|
|
|
|
return (users);
|
|
}
|
|
this._uids = function () {
|
|
var child = require('child_process').execFile('/usr/bin/dscl', ['dscl', '.', 'list', '/Users', 'UniqueID']);
|
|
child.stdout.str = '';
|
|
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
|
|
child.stdin.write('exit\n');
|
|
child.waitExit();
|
|
|
|
var lines = child.stdout.str.split('\n');
|
|
var tokens, i;
|
|
var users = {};
|
|
|
|
for (i = 0; i < lines.length; ++i) {
|
|
tokens = lines[i].split(' ');
|
|
if (tokens[0]) { users[tokens[tokens.length - 1]] = tokens[0]; }
|
|
}
|
|
|
|
return (users);
|
|
}
|
|
this._idTable = function()
|
|
{
|
|
var table = {};
|
|
var child = require('child_process').execFile('/usr/bin/id', ['id']);
|
|
child.stdout.str = '';
|
|
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
|
|
child.waitExit();
|
|
|
|
var lines = child.stdout.str.split('\n')[0].split(' ');
|
|
for (var i = 0; i < lines.length; ++i) {
|
|
var types = lines[i].split('=');
|
|
var tokens = types[1].split(',');
|
|
table[types[0]] = {};
|
|
|
|
for (var j in tokens) {
|
|
var idarr = tokens[j].split('(');
|
|
var id = idarr[0];
|
|
var name = idarr[1].substring(0, idarr[1].length - 1).trim();
|
|
table[types[0]][name] = id;
|
|
table[types[0]][id] = name;
|
|
}
|
|
}
|
|
return (table);
|
|
}
|
|
this.Current = function (cb)
|
|
{
|
|
var users = {};
|
|
var table = this._idTable();
|
|
var child = require('child_process').execFile('/usr/bin/last', ['last']);
|
|
child.stdout.str = '';
|
|
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
|
|
child.waitExit();
|
|
|
|
var lines = child.stdout.str.split('\n');
|
|
for (var i = 0; i < lines.length && lines[i].length > 0; ++i)
|
|
{
|
|
if (!users[lines[i].split(' ')[0]])
|
|
{
|
|
try
|
|
{
|
|
users[lines[i].split(' ')[0]] = { Username: lines[i].split(' ')[0], State: lines[i].split('still logged in').length > 1 ? 'Active' : 'Inactive', uid: table.uid[lines[i].split(' ')[0]] };
|
|
}
|
|
catch(e)
|
|
{}
|
|
}
|
|
else
|
|
{
|
|
if(users[lines[i].split(' ')[0]].State != 'Active' && lines[i].split('still logged in').length > 1)
|
|
{
|
|
users[lines[i].split(' ')[0]].State = 'Active';
|
|
}
|
|
}
|
|
}
|
|
|
|
Object.defineProperty(users, 'Active', { value: showActiveOnly(users) });
|
|
if (cb) { cb.call(this, users); }
|
|
}
|
|
}
|
|
|
|
if(process.platform == 'linux' || process.platform == 'darwin')
|
|
{
|
|
this._self = function _self()
|
|
{
|
|
var child = require('child_process').execFile('/usr/bin/id', ['id', '-u']);
|
|
child.stdout.str = '';
|
|
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
|
|
child.waitExit();
|
|
return (parseInt(child.stdout.str));
|
|
}
|
|
this.isRoot = function isRoot()
|
|
{
|
|
return (this._self() == 0);
|
|
}
|
|
this.consoleUid = function consoleUid()
|
|
{
|
|
var checkstr = process.platform == 'darwin' ? 'console' : ((process.env['DISPLAY'])?process.env['DISPLAY']:':0')
|
|
var child = require('child_process').execFile('/bin/sh', ['sh']);
|
|
child.stdout.str = '';
|
|
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
|
|
child.stdin.write('who\nexit\n');
|
|
child.waitExit();
|
|
|
|
var lines = child.stdout.str.split('\n');
|
|
var tokens, i, j;
|
|
for (i in lines)
|
|
{
|
|
tokens = lines[i].split(' ');
|
|
for (j = 1; j < tokens.length; ++j)
|
|
{
|
|
if (tokens[j].length > 0)
|
|
{
|
|
return (parseInt(this._users()[tokens[0]]));
|
|
}
|
|
}
|
|
}
|
|
|
|
throw ('nobody logged into console');
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
function showActiveOnly(source)
|
|
{
|
|
var retVal = [];
|
|
var unique = {};
|
|
var usernames = [];
|
|
var tmp;
|
|
|
|
for (var i in source)
|
|
{
|
|
if (source[i].State == 'Active')
|
|
{
|
|
retVal.push(source[i]);
|
|
tmp = (source[i].Domain ? (source[i].Domain + '\\') : '') + source[i].Username;
|
|
if (!unique[tmp]) { unique[tmp] = tmp;}
|
|
}
|
|
}
|
|
|
|
for (var i in unique)
|
|
{
|
|
usernames.push(i);
|
|
}
|
|
|
|
Object.defineProperty(retVal, 'usernames', { value: usernames });
|
|
return (retVal);
|
|
}
|
|
function getTokens(str)
|
|
{
|
|
var columns = [];
|
|
var i;
|
|
|
|
columns.push(str.substring(0, (i=str.indexOf(' '))));
|
|
while (str[++i] == ' ');
|
|
columns.push(str.substring(i, (i=str.substring(i).indexOf(' ') + i)));
|
|
while (str[++i] == ' ');
|
|
columns.push(str.substring(i, (i=str.substring(i).indexOf(' ') + i)));
|
|
while (str[++i] == ' ');
|
|
var status = str.substring(i).trim();
|
|
columns.push(status);
|
|
|
|
return (columns);
|
|
}
|
|
|
|
module.exports = new UserSessions(); |