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/* global WIKI */
const bcrypt = require('bcryptjs-then')
const _ = require('lodash')
const tfa = require('node-2fa')
const jwt = require('jsonwebtoken')
const Model = require('objection').Model
const validate = require('validate.js')
const qr = require('qr-image')
const bcryptRegexp = /^\$2[ayb]\$[0-9]{2}\$[A-Za-z0-9./]{53}$/
/**
* Users model
*/
module.exports = class User extends Model {
static get tableName() { return 'users' }
static get jsonSchema () {
return {
type: 'object',
required: ['email'],
properties: {
id: {type: 'integer'},
email: {type: 'string', format: 'email'},
name: {type: 'string', minLength: 1, maxLength: 255},
providerId: {type: 'string'},
password: {type: 'string'},
tfaIsActive: {type: 'boolean', default: false},
tfaSecret: {type: ['string', null]},
jobTitle: {type: 'string'},
location: {type: 'string'},
pictureUrl: {type: 'string'},
isSystem: {type: 'boolean'},
isActive: {type: 'boolean'},
isVerified: {type: 'boolean'},
createdAt: {type: 'string'},
updatedAt: {type: 'string'}
}
}
}
static get relationMappings() {
return {
groups: {
relation: Model.ManyToManyRelation,
modelClass: require('./groups'),
join: {
from: 'users.id',
through: {
from: 'userGroups.userId',
to: 'userGroups.groupId'
},
to: 'groups.id'
}
},
provider: {
relation: Model.BelongsToOneRelation,
modelClass: require('./authentication'),
join: {
from: 'users.providerKey',
to: 'authentication.key'
}
},
defaultEditor: {
relation: Model.BelongsToOneRelation,
modelClass: require('./editors'),
join: {
from: 'users.editorKey',
to: 'editors.key'
}
},
locale: {
relation: Model.BelongsToOneRelation,
modelClass: require('./locales'),
join: {
from: 'users.localeCode',
to: 'locales.code'
}
}
}
}
async $beforeUpdate(opt, context) {
await super.$beforeUpdate(opt, context)
this.updatedAt = new Date().toISOString()
if (!(opt.patch && this.password === undefined)) {
await this.generateHash()
}
}
async $beforeInsert(context) {
await super.$beforeInsert(context)
this.createdAt = new Date().toISOString()
this.updatedAt = new Date().toISOString()
await this.generateHash()
}
// ------------------------------------------------
// Instance Methods
// ------------------------------------------------
async generateHash() {
if (this.password) {
if (bcryptRegexp.test(this.password)) { return }
this.password = await bcrypt.hash(this.password, 12)
}
}
async verifyPassword(pwd) {
if (await bcrypt.compare(pwd, this.password) === true) {
return true
} else {
throw new WIKI.Error.AuthLoginFailed()
}
}
async generateTFA() {
let tfaInfo = tfa.generateSecret({
name: WIKI.config.title,
account: this.email
})
await WIKI.models.users.query().findById(this.id).patch({
tfaIsActive: false,
tfaSecret: tfaInfo.secret
})
const safeTitle = WIKI.config.title.replace(/[\s-.,=!@#$%?&*()+[\]{}/\\;<>]/g, '')
return qr.imageSync(`otpauth://totp/${safeTitle}:${this.email}?secret=${tfaInfo.secret}`, { type: 'svg' })
}
async enableTFA() {
return WIKI.models.users.query().findById(this.id).patch({
tfaIsActive: true
})
}
async disableTFA() {
return this.$query.patch({
tfaIsActive: false,
tfaSecret: ''
})
}
verifyTFA(code) {
let result = tfa.verifyToken(this.tfaSecret, code)
return (result && _.has(result, 'delta') && result.delta === 0)
}
getGlobalPermissions() {
return _.uniq(_.flatten(_.map(this.groups, 'permissions')))
}
getGroups() {
return _.uniq(_.map(this.groups, 'id'))
}
// ------------------------------------------------
// Model Methods
// ------------------------------------------------
static async processProfile({ profile, providerKey }) {
const provider = _.get(WIKI.auth.strategies, providerKey, {})
provider.info = _.find(WIKI.data.authentication, ['key', provider.stategyKey])
// Find existing user
let user = await WIKI.models.users.query().findOne({
providerId: _.toString(profile.id),
providerKey
})
// Parse email
let primaryEmail = ''
if (_.isArray(profile.emails)) {
const e = _.find(profile.emails, ['primary', true])
primaryEmail = (e) ? e.value : _.first(profile.emails).value
} else if (_.isArray(profile.email)) {
primaryEmail = _.first(_.flattenDeep([profile.email]))
} else if (_.isString(profile.email) && profile.email.length > 5) {
primaryEmail = profile.email
} else if (_.isString(profile.mail) && profile.mail.length > 5) {
primaryEmail = profile.mail
} else if (profile.user && profile.user.email && profile.user.email.length > 5) {
primaryEmail = profile.user.email
} else {
throw new Error('Missing or invalid email address from profile.')
}
primaryEmail = _.toLower(primaryEmail)
// Find pending social user
if (!user) {
user = await WIKI.models.users.query().findOne({
email: primaryEmail,
providerId: null,
providerKey
})
if (user) {
user = await user.$query().patchAndFetch({
providerId: _.toString(profile.id)
})
}
}
// Parse display name
let displayName = ''
if (_.isString(profile.displayName) && profile.displayName.length > 0) {
displayName = profile.displayName
} else if (_.isString(profile.name) && profile.name.length > 0) {
displayName = profile.name
} else {
displayName = primaryEmail.split('@')[0]
}
// Parse picture URL / Data
let pictureUrl = ''
if (profile.picture && Buffer.isBuffer(profile.picture)) {
pictureUrl = 'internal'
} else {
pictureUrl = _.truncate(_.get(profile, 'picture', _.get(user, 'pictureUrl', null)), {
length: 255,
omission: ''
})
}
// Update existing user
if (user) {
if (!user.isActive) {
throw new WIKI.Error.AuthAccountBanned()
}
if (user.isSystem) {
throw new Error('This is a system reserved account and cannot be used.')
}
user = await user.$query().patchAndFetch({
email: primaryEmail,
name: displayName,
pictureUrl: pictureUrl
})
if (pictureUrl === 'internal') {
await WIKI.models.users.updateUserAvatarData(user.id, profile.picture)
}
return user
}
// Self-registration
if (provider.selfRegistration) {
// Check if email domain is whitelisted
if (_.get(provider, 'domainWhitelist', []).length > 0) {
const emailDomain = _.last(primaryEmail.split('@'))
if (!_.includes(provider.domainWhitelist, emailDomain)) {
throw new WIKI.Error.AuthRegistrationDomainUnauthorized()
}
}
// Create account
user = await WIKI.models.users.query().insertAndFetch({
providerKey: providerKey,
providerId: _.toString(profile.id),
email: primaryEmail,
name: displayName,
pictureUrl: pictureUrl,
localeCode: WIKI.config.lang.code,
defaultEditor: 'markdown',
tfaIsActive: false,
isSystem: false,
isActive: true,
isVerified: true
})
// Assign to group(s)
if (provider.autoEnrollGroups.length > 0) {
await user.$relatedQuery('groups').relate(provider.autoEnrollGroups)
}
if (pictureUrl === 'internal') {
await WIKI.models.users.updateUserAvatarData(user.id, profile.picture)
}
return user
}
throw new Error('You are not authorized to login.')
}
/**
* Login a user
*/
static async login (opts, context) {
if (_.has(WIKI.auth.strategies, opts.strategy)) {
const selStrategy = _.get(WIKI.auth.strategies, opts.strategy)
if (!selStrategy.isEnabled) {
throw new WIKI.Error.AuthProviderInvalid()
}
const strInfo = _.find(WIKI.data.authentication, ['key', selStrategy.strategyKey])
// Inject form user/pass
if (strInfo.useForm) {
_.set(context.req, 'body.email', opts.username)
_.set(context.req, 'body.password', opts.password)
_.set(context.req.params, 'strategy', opts.strategy)
}
// Authenticate
return new Promise((resolve, reject) => {
WIKI.auth.passport.authenticate(selStrategy.strategyKey, {
session: !strInfo.useForm,
scope: strInfo.scopes ? strInfo.scopes : null
}, async (err, user, info) => {
if (err) { return reject(err) }
if (!user) { return reject(new WIKI.Error.AuthLoginFailed()) }
try {
const resp = await WIKI.models.users.afterLoginChecks(user, context, {
skipTFA: !strInfo.useForm,
skipChangePwd: !strInfo.useForm
})
resolve(resp)
} catch (err) {
reject(err)
}
})(context.req, context.res, () => {})
})
} else {
throw new WIKI.Error.AuthProviderInvalid()
}
}
/**
* Perform post-login checks
*/
static async afterLoginChecks (user, context, { skipTFA, skipChangePwd } = { skipTFA: false, skipChangePwd: false }) {
// Get redirect target
user.groups = await user.$relatedQuery('groups').select('groups.id', 'permissions', 'redirectOnLogin')
let redirect = '/'
if (user.groups && user.groups.length > 0) {
for (const grp of user.groups) {
if (!_.isEmpty(grp.redirectOnLogin) && grp.redirectOnLogin !== '/') {
redirect = grp.redirectOnLogin
break
}
}
}
console.info(redirect)
// Is 2FA required?
if (!skipTFA) {
if (user.tfaIsActive && user.tfaSecret) {
try {
const tfaToken = await WIKI.models.userKeys.generateToken({
kind: 'tfa',
userId: user.id
})
return {
mustProvideTFA: true,
continuationToken: tfaToken,
redirect
}
} catch (errc) {
WIKI.logger.warn(errc)
throw new WIKI.Error.AuthGenericError()
}
} else if (WIKI.config.auth.enforce2FA || (user.tfaIsActive && !user.tfaSecret)) {
try {
const tfaQRImage = await user.generateTFA()
const tfaToken = await WIKI.models.userKeys.generateToken({
kind: 'tfaSetup',
userId: user.id
})
return {
mustSetupTFA: true,
continuationToken: tfaToken,
tfaQRImage,
redirect
}
} catch (errc) {
WIKI.logger.warn(errc)
throw new WIKI.Error.AuthGenericError()
}
}
}
// Must Change Password?
if (!skipChangePwd && user.mustChangePwd) {
try {
const pwdChangeToken = await WIKI.models.userKeys.generateToken({
kind: 'changePwd',
userId: user.id
})
return {
mustChangePwd: true,
continuationToken: pwdChangeToken,
redirect
}
} catch (errc) {
WIKI.logger.warn(errc)
throw new WIKI.Error.AuthGenericError()
}
}
return new Promise((resolve, reject) => {
context.req.login(user, { session: false }, async errc => {
if (errc) { return reject(errc) }
const jwtToken = await WIKI.models.users.refreshToken(user)
resolve({ jwt: jwtToken.token, redirect })
})
})
}
/**
* Generate a new token for a user
*/
static async refreshToken(user) {
if (_.isSafeInteger(user)) {
user = await WIKI.models.users.query().findById(user).withGraphFetched('groups').modifyGraph('groups', builder => {
builder.select('groups.id', 'permissions')
})
if (!user) {
WIKI.logger.warn(`Failed to refresh token for user ${user}: Not found.`)
throw new WIKI.Error.AuthGenericError()
}
if (!user.isActive) {
WIKI.logger.warn(`Failed to refresh token for user ${user}: Inactive.`)
throw new WIKI.Error.AuthAccountBanned()
}
} else if (_.isNil(user.groups)) {
user.groups = await user.$relatedQuery('groups').select('groups.id', 'permissions')
}
// Update Last Login Date
// -> Bypass Objection.js to avoid updating the updatedAt field
await WIKI.models.knex('users').where('id', user.id).update({ lastLoginAt: new Date().toISOString() })
return {
token: jwt.sign({
id: user.id,
email: user.email,
name: user.name,
av: user.pictureUrl,
tz: user.timezone,
lc: user.localeCode,
df: user.dateFormat,
ap: user.appearance,
// defaultEditor: user.defaultEditor,
permissions: user.getGlobalPermissions(),
groups: user.getGroups()
}, {
key: WIKI.config.certs.private,
passphrase: WIKI.config.sessionSecret
}, {
algorithm: 'RS256',
expiresIn: WIKI.config.auth.tokenExpiration,
audience: WIKI.config.auth.audience,
issuer: 'urn:wiki.js'
}),
user
}
}
/**
* Verify a TFA login
*/
static async loginTFA ({ securityCode, continuationToken, setup }, context) {
if (securityCode.length === 6 && continuationToken.length > 1) {
const user = await WIKI.models.userKeys.validateToken({
kind: setup ? 'tfaSetup' : 'tfa',
token: continuationToken,
skipDelete: setup
})
if (user) {
if (user.verifyTFA(securityCode)) {
if (setup) {
await user.enableTFA()
}
return WIKI.models.users.afterLoginChecks(user, context, { skipTFA: true })
} else {
throw new WIKI.Error.AuthTFAFailed()
}
}
}
throw new WIKI.Error.AuthTFAInvalid()
}
/**
* Change Password from a Mandatory Password Change after Login
*/
static async loginChangePassword ({ continuationToken, newPassword }, context) {
if (!newPassword || newPassword.length < 6) {
throw new WIKI.Error.InputInvalid('Password must be at least 6 characters!')
}
const usr = await WIKI.models.userKeys.validateToken({
kind: 'changePwd',
token: continuationToken
})
if (usr) {
await WIKI.models.users.query().patch({
password: newPassword,
mustChangePwd: false
}).findById(usr.id)
return new Promise((resolve, reject) => {
context.req.logIn(usr, { session: false }, async err => {
if (err) { return reject(err) }
const jwtToken = await WIKI.models.users.refreshToken(usr)
resolve({ jwt: jwtToken.token })
})
})
} else {
throw new WIKI.Error.UserNotFound()
}
}
/**
* Send a password reset request
*/
static async loginForgotPassword ({ email }, context) {
const usr = await WIKI.models.users.query().where({
email,
providerKey: 'local'
}).first()
if (!usr) {
WIKI.logger.debug(`Password reset attempt on nonexistant local account ${email}: [DISCARDED]`)
return
}
const resetToken = await WIKI.models.userKeys.generateToken({
userId: usr.id,
kind: 'resetPwd'
})
await WIKI.mail.send({
template: 'accountResetPwd',
to: email,
subject: `Password Reset Request`,
data: {
preheadertext: `A password reset was requested for ${WIKI.config.title}`,
title: `A password reset was requested for ${WIKI.config.title}`,
content: `Click the button below to reset your password. If you didn't request this password reset, simply discard this email.`,
buttonLink: `${WIKI.config.host}/login-reset/${resetToken}`,
buttonText: 'Reset Password'
},
text: `A password reset was requested for wiki ${WIKI.config.title}. Open the following link to proceed: ${WIKI.config.host}/login-reset/${resetToken}`
})
}
/**
* Create a new user
*
* @param {Object} param0 User Fields
*/
static async createNewUser ({ providerKey, email, passwordRaw, name, groups, mustChangePassword, sendWelcomeEmail }) {
// Input sanitization
email = _.toLower(email)
// Input validation
let validation = null
if (providerKey === 'local') {
validation = validate({
email,
passwordRaw,
name
}, {
email: {
email: true,
length: {
maximum: 255
}
},
passwordRaw: {
presence: {
allowEmpty: false
},
length: {
minimum: 6
}
},
name: {
presence: {
allowEmpty: false
},
length: {
minimum: 2,
maximum: 255
}
}
}, { format: 'flat' })
} else {
validation = validate({
email,
name
}, {
email: {
email: true,
length: {
maximum: 255
}
},
name: {
presence: {
allowEmpty: false
},
length: {
minimum: 2,
maximum: 255
}
}
}, { format: 'flat' })
}
if (validation && validation.length > 0) {
throw new WIKI.Error.InputInvalid(validation[0])
}
// Check if email already exists
const usr = await WIKI.models.users.query().findOne({ email, providerKey })
if (!usr) {
// Create the account
let newUsrData = {
providerKey,
email,
name,
locale: 'en',
defaultEditor: 'markdown',
tfaIsActive: false,
isSystem: false,
isActive: true,
isVerified: true,
mustChangePwd: false
}
if (providerKey === `local`) {
newUsrData.password = passwordRaw
newUsrData.mustChangePwd = (mustChangePassword === true)
}
const newUsr = await WIKI.models.users.query().insert(newUsrData)
// Assign to group(s)
if (groups.length > 0) {
await newUsr.$relatedQuery('groups').relate(groups)
}
if (sendWelcomeEmail) {
// Send welcome email
await WIKI.mail.send({
template: 'accountWelcome',
to: email,
subject: `Welcome to the wiki ${WIKI.config.title}`,
data: {
preheadertext: `You've been invited to the wiki ${WIKI.config.title}`,
title: `You've been invited to the wiki ${WIKI.config.title}`,
content: `Click the button below to access the wiki.`,
buttonLink: `${WIKI.config.host}/login`,
buttonText: 'Login'
},
text: `You've been invited to the wiki ${WIKI.config.title}: ${WIKI.config.host}/login`
})
}
} else {
throw new WIKI.Error.AuthAccountAlreadyExists()
}
}
/**
* Update an existing user
*
* @param {Object} param0 User ID and fields to update
*/
static async updateUser ({ id, email, name, newPassword, groups, location, jobTitle, timezone, dateFormat, appearance }) {
const usr = await WIKI.models.users.query().findById(id)
if (usr) {
let usrData = {}
if (!_.isEmpty(email) && email !== usr.email) {
const dupUsr = await WIKI.models.users.query().select('id').where({
email,
providerKey: usr.providerKey
}).first()
if (dupUsr) {
throw new WIKI.Error.AuthAccountAlreadyExists()
}
usrData.email = _.toLower(email)
}
if (!_.isEmpty(name) && name !== usr.name) {
usrData.name = _.trim(name)
}
if (!_.isEmpty(newPassword)) {
if (newPassword.length < 6) {
throw new WIKI.Error.InputInvalid('Password must be at least 6 characters!')
}
usrData.password = newPassword
}
if (_.isArray(groups)) {
const usrGroupsRaw = await usr.$relatedQuery('groups')
const usrGroups = _.map(usrGroupsRaw, 'id')
// Relate added groups
const addUsrGroups = _.difference(groups, usrGroups)
for (const grp of addUsrGroups) {
await usr.$relatedQuery('groups').relate(grp)
}
// Unrelate removed groups
const remUsrGroups = _.difference(usrGroups, groups)
for (const grp of remUsrGroups) {
await usr.$relatedQuery('groups').unrelate().where('groupId', grp)
}
}
if (!_.isEmpty(location) && location !== usr.location) {
usrData.location = _.trim(location)
}
if (!_.isEmpty(jobTitle) && jobTitle !== usr.jobTitle) {
usrData.jobTitle = _.trim(jobTitle)
}
if (!_.isEmpty(timezone) && timezone !== usr.timezone) {
usrData.timezone = timezone
}
if (!_.isNil(dateFormat) && dateFormat !== usr.dateFormat) {
usrData.dateFormat = dateFormat
}
if (!_.isNil(appearance) && appearance !== usr.appearance) {
usrData.appearance = appearance
}
await WIKI.models.users.query().patch(usrData).findById(id)
} else {
throw new WIKI.Error.UserNotFound()
}
}
/**
* Delete a User
*
* @param {*} id User ID
*/
static async deleteUser (id, replaceId) {
const usr = await WIKI.models.users.query().findById(id)
if (usr) {
await WIKI.models.assets.query().patch({ authorId: replaceId }).where('authorId', id)
await WIKI.models.comments.query().patch({ authorId: replaceId }).where('authorId', id)
await WIKI.models.pageHistory.query().patch({ authorId: replaceId }).where('authorId', id)
await WIKI.models.pages.query().patch({ authorId: replaceId }).where('authorId', id)
await WIKI.models.pages.query().patch({ creatorId: replaceId }).where('creatorId', id)
await WIKI.models.userKeys.query().delete().where('userId', id)
await WIKI.models.users.query().deleteById(id)
} else {
throw new WIKI.Error.UserNotFound()
}
}
/**
* Register a new user (client-side registration)
*
* @param {Object} param0 User fields
* @param {Object} context GraphQL Context
*/
static async register ({ email, password, name, verify = false, bypassChecks = false }, context) {
const localStrg = await WIKI.models.authentication.getStrategy('local')
// Check if self-registration is enabled
if (localStrg.selfRegistration || bypassChecks) {
// Input sanitization
email = _.toLower(email)
// Input validation
const validation = validate({
email,
password,
name
}, {
email: {
email: true,
length: {
maximum: 255
}
},
password: {
presence: {
allowEmpty: false
},
length: {
minimum: 6
}
},
name: {
presence: {
allowEmpty: false
},
length: {
minimum: 2,
maximum: 255
}
}
}, { format: 'flat' })
if (validation && validation.length > 0) {
throw new WIKI.Error.InputInvalid(validation[0])
}
// Check if email domain is whitelisted
if (_.get(localStrg, 'domainWhitelist.v', []).length > 0 && !bypassChecks) {
const emailDomain = _.last(email.split('@'))
if (!_.includes(localStrg.domainWhitelist.v, emailDomain)) {
throw new WIKI.Error.AuthRegistrationDomainUnauthorized()
}
}
// Check if email already exists
const usr = await WIKI.models.users.query().findOne({ email, providerKey: 'local' })
if (!usr) {
// Create the account
const newUsr = await WIKI.models.users.query().insert({
provider: 'local',
email,
name,
password,
locale: 'en',
defaultEditor: 'markdown',
tfaIsActive: false,
isSystem: false,
isActive: true,
isVerified: false
})
// Assign to group(s)
if (_.get(localStrg, 'autoEnrollGroups.v', []).length > 0) {
await newUsr.$relatedQuery('groups').relate(localStrg.autoEnrollGroups.v)
}
if (verify) {
// Create verification token
const verificationToken = await WIKI.models.userKeys.generateToken({
kind: 'verify',
userId: newUsr.id
})
// Send verification email
await WIKI.mail.send({
template: 'accountVerify',
to: email,
subject: 'Verify your account',
data: {
preheadertext: 'Verify your account in order to gain access to the wiki.',
title: 'Verify your account',
content: 'Click the button below in order to verify your account and gain access to the wiki.',
buttonLink: `${WIKI.config.host}/verify/${verificationToken}`,
buttonText: 'Verify'
},
text: `You must open the following link in your browser to verify your account and gain access to the wiki: ${WIKI.config.host}/verify/${verificationToken}`
})
}
return true
} else {
throw new WIKI.Error.AuthAccountAlreadyExists()
}
} else {
throw new WIKI.Error.AuthRegistrationDisabled()
}
}
/**
* Logout the current user
*/
static async logout (context) {
if (!context.req.user || context.req.user.id === 2) {
return '/'
}
const usr = await WIKI.models.users.query().findById(context.req.user.id).select('providerKey')
const provider = _.find(WIKI.auth.strategies, ['key', usr.providerKey])
return provider.logout ? provider.logout(provider.config) : '/'
}
static async getGuestUser () {
const user = await WIKI.models.users.query().findById(2).withGraphJoined('groups').modifyGraph('groups', builder => {
builder.select('groups.id', 'permissions')
})
if (!user) {
WIKI.logger.error('CRITICAL ERROR: Guest user is missing!')
process.exit(1)
}
user.permissions = user.getGlobalPermissions()
return user
}
static async getRootUser () {
let user = await WIKI.models.users.query().findById(1)
if (!user) {
WIKI.logger.error('CRITICAL ERROR: Root Administrator user is missing!')
process.exit(1)
}
user.permissions = ['manage:system']
return user
}
/**
* Add / Update User Avatar Data
*/
static async updateUserAvatarData (userId, data) {
try {
WIKI.logger.debug(`Updating user ${userId} avatar data...`)
if (data.length > 1024 * 1024) {
throw new Error('Avatar image filesize is too large. 1MB max.')
}
const existing = await WIKI.models.knex('userAvatars').select('id').where('id', userId).first()
if (existing) {
await WIKI.models.knex('userAvatars').where({
id: userId
}).update({
data
})
} else {
await WIKI.models.knex('userAvatars').insert({
id: userId,
data
})
}
} catch (err) {
WIKI.logger.warn(`Failed to process binary thumbnail data for user ${userId}: ${err.message}`)
}
}
static async getUserAvatarData (userId) {
try {
const usrData = await WIKI.models.knex('userAvatars').where('id', userId).first()
if (usrData) {
return usrData.data
} else {
return null
}
} catch (err) {
WIKI.logger.warn(`Failed to process binary thumbnail data for user ${userId}`)
}
}
}