feat: implement hardware key auth

This commit is contained in:
Sérgio Salgado 2021-05-07 16:48:48 +01:00
parent 0035684040
commit f987a07e0b
17 changed files with 1302 additions and 36 deletions

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@ -0,0 +1,165 @@
const simpleWebauthn = require('@simplewebauthn/server')
const base64url = require('base64url')
const _ = require('lodash/fp')
const userManagement = require('../userManagement')
const credentials = require('../../../../hardware-credentials')
const T = require('../../../../time')
const users = require('../../../../users')
const REMEMBER_ME_AGE = 90 * T.day
const rpID = `localhost`
const expectedOrigin = `https://${rpID}:3001`
const generateAttestationOptions = (userID, session) => {
return users.getUserById(userID).then(user => {
return Promise.all([credentials.getHardwareCredentialsOfUser(user.id), user])
}).then(([userDevices, user]) => {
const options = simpleWebauthn.generateAttestationOptions({
rpName: 'Lamassu',
rpID,
userName: user.username,
userID: user.id,
timeout: 60000,
attestationType: 'indirect',
excludeCredentials: userDevices.map(dev => ({
id: dev.data.credentialID,
type: 'public-key',
transports: ['usb', 'ble', 'nfc', 'internal']
})),
authenticatorSelection: {
userVerification: 'discouraged',
requireResidentKey: false
}
})
session.webauthn = {
attestation: {
challenge: options.challenge
}
}
return options
})
}
const generateAssertionOptions = (username, password, context) => {
return userManagement.authenticateUser(username, password).then(user => {
return credentials.getHardwareCredentialsOfUser(user.id).then(devices => {
const options = simpleWebauthn.generateAssertionOptions({
timeout: 60000,
allowCredentials: devices.map(dev => ({
id: dev.data.credentialID,
type: 'public-key',
transports: ['usb', 'ble', 'nfc', 'internal']
})),
userVerification: 'discouraged',
rpID
})
context.req.session.webauthn = {
assertion: {
challenge: options.challenge
}
}
return options
})
})
}
const validateAttestation = (userID, attestationResponse, context) => {
const webauthnData = context.req.session.webauthn.attestation
const expectedChallenge = webauthnData.challenge
return users.getUserById(userID).then(user => {
return simpleWebauthn.verifyAttestationResponse({
credential: attestationResponse,
expectedChallenge: `${expectedChallenge}`,
expectedOrigin,
expectedRPID: rpID
}).then(async verification => {
const { verified, attestationInfo } = verification
if (verified && attestationInfo) {
const {
counter,
credentialPublicKey,
credentialID
} = attestationInfo
const userDevices = await credentials.getHardwareCredentialsOfUser(user.id)
const existingDevice = userDevices.find(device => device.data.credentialID === credentialID)
if (!existingDevice) {
const newDevice = {
counter,
credentialPublicKey,
credentialID
}
credentials.createHardwareCredential(user.id, newDevice)
}
}
context.req.session.webauthn = null
return verified
})
})
}
const validateAssertion = (username, password, rememberMe, assertionResponse, context) => {
return userManagement.authenticateUser(username, password).then(user => {
const expectedChallenge = context.req.session.webauthn.assertion.challenge
return credentials.getHardwareCredentialsOfUser(user.id).then(async devices => {
const dbAuthenticator = _.find(dev => {
return Buffer.from(dev.data.credentialID).compare(base64url.toBuffer(assertionResponse.rawId)) === 0
}, devices)
if (!dbAuthenticator.data) {
throw new Error(`Could not find authenticator matching ${assertionResponse.id}`)
}
const convertedAuthenticator = _.merge(
dbAuthenticator.data,
{ credentialPublicKey: Buffer.from(dbAuthenticator.data.credentialPublicKey) }
)
let verification
try {
verification = simpleWebauthn.verifyAssertionResponse({
credential: assertionResponse,
expectedChallenge: `${expectedChallenge}`,
expectedOrigin,
expectedRPID: rpID,
authenticator: convertedAuthenticator
})
} catch (err) {
console.error(err)
return false
}
const { verified, assertionInfo } = verification
if (verified) {
dbAuthenticator.data.counter = assertionInfo.newCounter
await credentials.updateHardwareCredential(dbAuthenticator)
const finalUser = { id: user.id, username: user.username, role: user.role }
context.req.session.user = finalUser
if (rememberMe) context.req.session.cookie.maxAge = REMEMBER_ME_AGE
}
context.req.session.webauthn = null
return verified
})
})
}
module.exports = {
generateAttestationOptions,
generateAssertionOptions,
validateAttestation,
validateAssertion
}

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@ -0,0 +1,164 @@
const simpleWebauthn = require('@simplewebauthn/server')
const base64url = require('base64url')
const _ = require('lodash/fp')
const credentials = require('../../../../hardware-credentials')
const T = require('../../../../time')
const users = require('../../../../users')
const REMEMBER_ME_AGE = 90 * T.day
const rpID = `localhost`
const expectedOrigin = `https://${rpID}:3001`
const generateAttestationOptions = (userID, session) => {
return users.getUserById(userID).then(user => {
return Promise.all([credentials.getHardwareCredentialsOfUser(user.id), user])
}).then(([userDevices, user]) => {
const options = simpleWebauthn.generateAttestationOptions({
rpName: 'Lamassu',
rpID,
userName: user.username,
userID: user.id,
timeout: 60000,
attestationType: 'indirect',
excludeCredentials: userDevices.map(dev => ({
id: dev.data.credentialID,
type: 'public-key',
transports: ['usb', 'ble', 'nfc', 'internal']
})),
authenticatorSelection: {
userVerification: 'discouraged',
requireResidentKey: false
}
})
session.webauthn = {
attestation: {
challenge: options.challenge
}
}
return options
})
}
const generateAssertionOptions = (username, context) => {
return users.getUserByUsername(username).then(user => {
return credentials.getHardwareCredentialsOfUser(user.id).then(devices => {
const options = simpleWebauthn.generateAssertionOptions({
timeout: 60000,
allowCredentials: devices.map(dev => ({
id: dev.data.credentialID,
type: 'public-key',
transports: ['usb', 'ble', 'nfc', 'internal']
})),
userVerification: 'discouraged',
rpID
})
context.req.session.webauthn = {
assertion: {
challenge: options.challenge
}
}
return options
})
})
}
const validateAttestation = (userID, attestationResponse, context) => {
const webauthnData = context.req.session.webauthn.attestation
const expectedChallenge = webauthnData.challenge
return users.getUserById(userID).then(user => {
return simpleWebauthn.verifyAttestationResponse({
credential: attestationResponse,
expectedChallenge: `${expectedChallenge}`,
expectedOrigin,
expectedRPID: rpID
}).then(async verification => {
const { verified, attestationInfo } = verification
if (verified && attestationInfo) {
const {
counter,
credentialPublicKey,
credentialID
} = attestationInfo
const userDevices = await credentials.getHardwareCredentialsOfUser(user.id)
const existingDevice = userDevices.find(device => device.data.credentialID === credentialID)
if (!existingDevice) {
const newDevice = {
counter,
credentialPublicKey,
credentialID
}
credentials.createHardwareCredential(user.id, newDevice)
}
}
context.req.session.webauthn = null
return verified
})
})
}
const validateAssertion = (username, rememberMe, assertionResponse, context) => {
return users.getUserByUsername(username).then(user => {
const expectedChallenge = context.req.session.webauthn.assertion.challenge
return credentials.getHardwareCredentialsOfUser(user.id).then(async devices => {
const dbAuthenticator = _.find(dev => {
return Buffer.from(dev.data.credentialID).compare(base64url.toBuffer(assertionResponse.rawId)) === 0
}, devices)
if (!dbAuthenticator.data) {
throw new Error(`Could not find authenticator matching ${assertionResponse.id}`)
}
const convertedAuthenticator = _.merge(
dbAuthenticator.data,
{ credentialPublicKey: Buffer.from(dbAuthenticator.data.credentialPublicKey) }
)
let verification
try {
verification = simpleWebauthn.verifyAssertionResponse({
credential: assertionResponse,
expectedChallenge: `${expectedChallenge}`,
expectedOrigin,
expectedRPID: rpID,
authenticator: convertedAuthenticator
})
} catch (err) {
console.error(err)
return false
}
const { verified, assertionInfo } = verification
if (verified) {
dbAuthenticator.data.counter = assertionInfo.newCounter
await credentials.updateHardwareCredential(dbAuthenticator)
const finalUser = { id: user.id, username: user.username, role: user.role }
context.req.session.user = finalUser
if (rememberMe) context.req.session.cookie.maxAge = REMEMBER_ME_AGE
}
context.req.session.webauthn = null
return verified
})
})
}
module.exports = {
generateAttestationOptions,
generateAssertionOptions,
validateAttestation,
validateAssertion
}

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const simpleWebauthn = require('@simplewebauthn/server')
const base64url = require('base64url')
const _ = require('lodash/fp')
const credentials = require('../../../../hardware-credentials')
const T = require('../../../../time')
const users = require('../../../../users')
const REMEMBER_ME_AGE = 90 * T.day
const rpID = `localhost`
const expectedOrigin = `https://${rpID}:3001`
const generateAttestationOptions = (userID, session) => {
return credentials.getHardwareCredentials().then(devices => {
const options = simpleWebauthn.generateAttestationOptions({
rpName: 'Lamassu',
rpID,
userName: `Usernameless user created at ${new Date().toISOString()}`,
userID: userID,
timeout: 60000,
attestationType: 'direct',
excludeCredentials: devices.map(dev => ({
id: dev.data.credentialID,
type: 'public-key',
transports: ['usb', 'ble', 'nfc', 'internal']
})),
authenticatorSelection: {
authenticatorAttachment: 'cross-platform',
userVerification: 'discouraged',
requireResidentKey: false
}
})
session.webauthn = {
attestation: {
challenge: options.challenge
}
}
return options
})
}
const generateAssertionOptions = context => {
return credentials.getHardwareCredentials().then(devices => {
const options = simpleWebauthn.generateAssertionOptions({
timeout: 60000,
allowCredentials: devices.map(dev => ({
id: dev.data.credentialID,
type: 'public-key',
transports: ['usb', 'ble', 'nfc', 'internal']
})),
userVerification: 'discouraged',
rpID
})
context.req.session.webauthn = {
assertion: {
challenge: options.challenge
}
}
return options
})
}
const validateAttestation = (userID, attestationResponse, context) => {
const webauthnData = context.req.session.webauthn.attestation
const expectedChallenge = webauthnData.challenge
return users.getUserById(userID).then(user => {
return simpleWebauthn.verifyAttestationResponse({
credential: attestationResponse,
expectedChallenge: `${expectedChallenge}`,
expectedOrigin,
expectedRPID: rpID
}).then(async verification => {
const { verified, attestationInfo } = verification
if (verified && attestationInfo) {
const {
fmt,
counter,
aaguid,
credentialPublicKey,
credentialID,
credentialType,
userVerified,
attestationObject
} = attestationInfo
const userDevices = await credentials.getHardwareCredentialsOfUser(user.id)
const existingDevice = userDevices.find(device => device.data.credentialID === credentialID)
if (!existingDevice) {
const newDevice = {
fmt,
counter,
aaguid,
credentialPublicKey,
credentialID,
credentialType,
userVerified,
attestationObject
}
credentials.createHardwareCredential(user.id, newDevice)
}
}
context.req.session.webauthn = null
return verified
})
})
}
const validateAssertion = (assertionResponse, context) => {
const expectedChallenge = context.req.session.webauthn.assertion.challenge
return credentials.getHardwareCredentials().then(async devices => {
const dbAuthenticator = _.find(dev => {
return Buffer.from(dev.data.credentialID).compare(base64url.toBuffer(assertionResponse.rawId)) === 0
}, devices)
if (!dbAuthenticator.data) {
throw new Error(`Could not find authenticator matching ${assertionResponse.id}`)
}
const convertedAuthenticator = _.merge(
dbAuthenticator.data,
{ credentialPublicKey: Buffer.from(dbAuthenticator.data.credentialPublicKey) }
)
let verification
try {
verification = simpleWebauthn.verifyAssertionResponse({
credential: assertionResponse,
expectedChallenge: `${expectedChallenge}`,
expectedOrigin,
expectedRPID: rpID,
authenticator: convertedAuthenticator
})
} catch (err) {
console.error(err)
return false
}
const { verified, assertionInfo } = verification
if (verified) {
dbAuthenticator.data.counter = assertionInfo.newCounter
await credentials.updateHardwareCredential(dbAuthenticator)
const user = await users.getUserById(dbAuthenticator.user_id)
const finalUser = { id: user.id, username: user.username, role: user.role }
context.req.session.user = finalUser
context.req.session.cookie.maxAge = REMEMBER_ME_AGE
}
context.req.session.webauthn = null
return verified
})
}
module.exports = {
generateAttestationOptions,
generateAssertionOptions,
validateAttestation,
validateAssertion
}

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const FIDO2FA = require('./FIDO2FAStrategy')
const FIDOPasswordless = require('./FIDOPasswordlessStrategy')
const FIDOUsernameless = require('./FIDOUsernamelessStrategy')
const STRATEGIES = {
FIDO2FA,
FIDOPasswordless,
FIDOUsernameless
}
// FIDO2FA, FIDOPasswordless or FIDOUsernameless
const CHOSEN_STRATEGY = 'FIDOPasswordless'
module.exports = {
CHOSEN_STRATEGY,
strategy: STRATEGIES[CHOSEN_STRATEGY]
}

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@ -1,5 +1,6 @@
const otplib = require('otplib')
const argon2 = require('argon2')
const _ = require('lodash/fp')
const constants = require('../../../constants')
const authTokens = require('../../../auth-tokens')
@ -8,6 +9,7 @@ const T = require('../../../time')
const users = require('../../../users')
const sessionManager = require('../../../session-manager')
const authErrors = require('../errors/authentication')
const credentials = require('../../../hardware-credentials')
const REMEMBER_ME_AGE = 90 * T.day
@ -140,10 +142,14 @@ const deleteSession = (sessionID, context) => {
}
const login = (username, password) => {
return authenticateUser(username, password).then(user => {
const twoFASecret = user.twofa_code
return twoFASecret ? 'INPUT2FA' : 'SETUP2FA'
})
return authenticateUser(username, password)
.then(user => {
return Promise.all([credentials.getHardwareCredentialsOfUser(user.id), user.twofa_code])
})
.then(([devices, twoFASecret]) => {
if (!_.isEmpty(devices)) return 'FIDO'
return twoFASecret ? 'INPUT2FA' : 'SETUP2FA'
})
}
const input2FA = (username, password, rememberMe, code, context) => {
@ -234,6 +240,7 @@ const reset2FA = (token, userID, code, context) => {
}
module.exports = {
authenticateUser,
getUserData,
get2FASecret,
confirm2FA,