enigma-bbs/core/user_2fa_otp_config.js

339 lines
12 KiB
JavaScript

/* jslint node: true */
'use strict';
// ENiGMA½
const { MenuModule } = require('./menu_module.js');
const UserProps = require('./user_property.js');
const {
OTPTypes,
otpFromType,
createQRCode,
createBackupCodes,
} = require('./user_2fa_otp.js');
const { Errors } = require('./enig_error.js');
const { getServer } = require('./listening_server.js');
const WebServerPackageName = require('./servers/content/web.js').moduleInfo.packageName;
const WebRegister = require('./user_2fa_otp_web_register.js');
// deps
const async = require('async');
const _ = require('lodash');
const iconv = require('iconv-lite');
exports.moduleInfo = {
name : 'User 2FA/OTP Configuration',
desc : 'Module for user 2FA/OTP configuration',
author : 'NuSkooler',
};
const FormIds = {
menu : 0,
};
const MciViewIds = {
enableToggle : 1,
otpType : 2,
submit : 3,
infoText : 4,
customRangeStart : 10, // 10+ = customs
};
const DefaultMsg = {
infoText: {
disabled : 'Enabling 2-factor authentication can greatly increase account security.',
enabled : 'A valid email address set in user config is required to enable 2-Factor Authentication.',
rfc6238_TOTP : 'Time-Based One-Time-Password (TOTP, RFC-6238).',
rfc4266_HOTP : 'HMAC-Based One-Time-Password (HOTP, RFC-4266).',
googleAuth : 'Google Authenticator.',
},
statusText : {
otpNotEnabled : '2FA/OTP is not currently enabled for this account.',
noBackupCodes : 'No backup codes remaining or set.',
saveDisabled : '2FA/OTP is now disabled for this account.',
saveEmailSent : 'An 2FA/OTP registration email has been sent with further instructions.',
saveError : 'Failed to send email. Please contact the system operator.',
qrNotAvail : 'QR code not available for this OTP type.',
emailRequired : 'Your account must have a valid email address set to use this feature.',
}
};
exports.getModule = class User2FA_OTPConfigModule extends MenuModule {
constructor(options) {
super(options);
this.config = Object.assign({}, _.get(options, 'menuConfig.config'), { extraArgs : options.extraArgs });
this.menuMethods = {
showQRCode : (formData, extraArgs, cb) => {
return this.showQRCode(cb);
},
showSecret : (formData, extraArgs, cb) => {
return this.showSecret(cb);
},
showBackupCodes : (formData, extraArgs, cb) => {
return this.showBackupCodes(cb);
},
generateNewBackupCodes : (formData, extraArgs, cb) => {
return this.generateNewBackupCodes(cb);
},
saveChanges : (formData, extraArgs, cb) => {
return this.saveChanges(formData, cb);
}
};
}
initSequence() {
const webServer = getServer(WebServerPackageName);
if(!webServer || !webServer.instance.isEnabled()) {
this.client.log.warn('User 2FA/OTP configuration requires the web server to be enabled!');
return this.prevMenu( () => { /* dummy */ } );
}
return super.initSequence();
}
mciReady(mciData, cb) {
super.mciReady(mciData, err => {
if(err) {
return cb(err);
}
async.series(
[
(callback) => {
return this.prepViewController('menu', FormIds.menu, mciData.menu, callback);
},
(callback) => {
const requiredCodes = [
MciViewIds.enableToggle,
MciViewIds.otpType,
MciViewIds.submit,
];
return this.validateMCIByViewIds('menu', requiredCodes, callback);
},
(callback) => {
const enableToggleView = this.getView('menu', MciViewIds.enableToggle);
let initialIndex = this.isOTPEnabledForUser() ? 1 : 0;
enableToggleView.setFocusItemIndex(initialIndex);
this.enableToggleUpdate(initialIndex);
enableToggleView.on('index update', idx => {
return this.enableToggleUpdate(idx);
});
const otpTypeView = this.getView('menu', MciViewIds.otpType);
initialIndex = this.otpTypeIndexFromUserOTPType();
otpTypeView.setFocusItemIndex(initialIndex);
otpTypeView.on('index update', idx => {
return this.otpTypeUpdate(idx);
});
this.viewControllers.menu.on('return', view => {
if(view === enableToggleView) {
return this.enableToggleUpdate(enableToggleView.focusedItemIndex);
} else if (view === otpTypeView) {
return this.otpTypeUpdate(otpTypeView.focusedItemIndex);
}
});
return callback(null);
}
],
err => {
return cb(err);
}
);
});
}
displayDetails(details, cb) {
const modOpts = {
extraArgs : {
artData : iconv.encode(`${details}\r\n`, 'cp437'),
}
};
this.gotoMenu(
this.menuConfig.config.userTwoFactorAuthOTPConfigShowDetails || 'userTwoFactorAuthOTPConfigShowDetails',
modOpts,
cb
);
}
showQRCode(cb) {
const otp = otpFromType(this.client.user.getProperty(UserProps.AuthFactor2OTP));
let qrCode;
if(!otp) {
qrCode = this.getStatusText('otpNotEnabled');
} else {
const qrOptions = {
username : this.client.user.username,
qrType : 'ascii',
};
qrCode = createQRCode(
otp,
qrOptions,
this.client.user.getProperty(UserProps.AuthFactor2OTPSecret)
);
if(qrCode) {
qrCode = qrCode.replace(/\n/g, '\r\n');
} else {
qrCode = this.getStatusText('qrNotAvail');
}
}
return this.displayDetails(qrCode, cb);
}
showSecret(cb) {
const info =
this.client.user.getProperty(UserProps.AuthFactor2OTPSecret) ||
this.getStatusText('otpNotEnabled');
return this.displayDetails(info, cb);
}
showBackupCodes(cb) {
let info;
const noBackupCodes = this.getStatusText('noBackupCodes');
if(!this.isOTPEnabledForUser()) {
info = this.getStatusText('otpNotEnabled');
} else {
try {
info = JSON.parse(this.client.user.getProperty(UserProps.AuthFactor2OTPBackupCodes) || '[]').join(', ');
info = info || noBackupCodes;
} catch(e) {
info = noBackupCodes;
}
}
return this.displayDetails(info, cb);
}
generateNewBackupCodes(cb) {
if(!this.isOTPEnabledForUser()) {
const info = this.getStatusText('otpNotEnabled');
return this.displayDetails(info, cb);
}
const backupCodes = createBackupCodes();
this.client.user.persistProperty(
UserProps.AuthFactor2OTPBackupCodes,
JSON.stringify(backupCodes),
err => {
if(err) {
return cb(err);
}
const info = backupCodes.join(', ');
return this.displayDetails(info, cb);
}
);
}
saveChanges(formData, cb) {
const enabled = 1 === _.get(formData, 'value.enableToggle', 0);
return enabled ? this.saveChangesEnable(formData, cb) : this.saveChangesDisable(cb);
}
saveChangesEnable(formData, cb) {
// User must have an email address set to save
const emailRegExp = /[a-z0-9!#$%&'*+/=?^_`{|}~.-]+@[a-z0-9-]+(.[a-z0-9-]+)*/;
const emailAddr = this.client.user.getProperty(UserProps.EmailAddress);
if(!emailAddr || !emailRegExp.test(emailAddr)) {
const info = this.getStatusText('emailRequired');
return this.displayDetails(info, cb);
}
const otpTypeProp = this.otpTypeFromOTPTypeIndex(_.get(formData, 'value.otpType'));
const saveFailedError = (err) => {
const info = this.getStatusText('saveError');
this.displayDetails(info, () => {
return cb(err);
});
};
// sanity check
if(!otpFromType(otpTypeProp)) {
return saveFailedError(Errors.Invalid('Cannot convert selected index to valid OTP type'));
}
this.removeUserOTPProperties(err => {
if(err) {
return saveFailedError(err);
}
WebRegister.sendRegisterEmail(this.client.user, otpTypeProp, err => {
if(err) {
return saveFailedError(err);
}
const info = this.getStatusText('saveEmailSent');
return this.displayDetails(info, cb);
});
});
}
removeUserOTPProperties(cb) {
const props = [
UserProps.AuthFactor2OTP,
UserProps.AuthFactor2OTPSecret,
UserProps.AuthFactor2OTPBackupCodes,
];
return this.client.user.removeProperties(props, cb);
}
saveChangesDisable(cb) {
this.removeUserOTPProperties(err => {
if(err) {
return cb(err);
}
const info = this.getStatusText('saveDisabled');
return this.displayDetails(info, cb);
});
}
isOTPEnabledForUser() {
return this.client.user.getProperty(UserProps.AuthFactor2OTP) ? true : false;
}
getInfoText(key) {
return _.get(this.config, [ 'infoText', key ], DefaultMsg.infoText[key]);
}
getStatusText(key) {
return _.get(this.config, [ 'statusText', key ], DefaultMsg.statusText[key]);
}
enableToggleUpdate(idx) {
const key = {
0 : 'disabled',
1 : 'enabled',
}[idx];
this.updateCustomViewTextsWithFilter('menu', MciViewIds.customRangeStart, { infoText : this.getInfoText(key) } );
}
otpTypeIndexFromUserOTPType(defaultIndex = 0) {
const type = this.client.user.getProperty(UserProps.AuthFactor2OTP);
return {
[ OTPTypes.RFC6238_TOTP ] : 0,
[ OTPTypes.RFC4266_HOTP ] : 1,
[ OTPTypes.GoogleAuthenticator ] : 2,
}[type] || defaultIndex;
}
otpTypeFromOTPTypeIndex(idx) {
return {
0 : OTPTypes.RFC6238_TOTP,
1 : OTPTypes.RFC4266_HOTP,
2 : OTPTypes.GoogleAuthenticator,
}[idx];
}
otpTypeUpdate(idx) {
const key = this.otpTypeFromOTPTypeIndex(idx);
this.updateCustomViewTextsWithFilter('menu', MciViewIds.customRangeStart, { infoText : this.getInfoText(key) } );
}
};