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476 lines
14 KiB
476 lines
14 KiB
/* global WIKI */
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const bcrypt = require('bcryptjs-then')
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const _ = require('lodash')
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const tfa = require('node-2fa')
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const securityHelper = require('../helpers/security')
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const jwt = require('jsonwebtoken')
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const Model = require('objection').Model
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const validate = require('validate.js')
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const bcryptRegexp = /^\$2[ayb]\$[0-9]{2}\$[A-Za-z0-9./]{53}$/
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/**
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* Users model
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*/
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module.exports = class User extends Model {
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static get tableName() { return 'users' }
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static get jsonSchema () {
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return {
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type: 'object',
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required: ['email'],
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properties: {
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id: {type: 'integer'},
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email: {type: 'string', format: 'email'},
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name: {type: 'string', minLength: 1, maxLength: 255},
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providerId: {type: 'string'},
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password: {type: 'string'},
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role: {type: 'string', enum: ['admin', 'guest', 'user']},
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tfaIsActive: {type: 'boolean', default: false},
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tfaSecret: {type: 'string'},
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jobTitle: {type: 'string'},
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location: {type: 'string'},
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pictureUrl: {type: 'string'},
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isSystem: {type: 'boolean'},
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isActive: {type: 'boolean'},
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isVerified: {type: 'boolean'},
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createdAt: {type: 'string'},
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updatedAt: {type: 'string'}
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}
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}
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}
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static get relationMappings() {
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return {
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groups: {
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relation: Model.ManyToManyRelation,
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modelClass: require('./groups'),
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join: {
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from: 'users.id',
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through: {
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from: 'userGroups.userId',
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to: 'userGroups.groupId'
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},
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to: 'groups.id'
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}
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},
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provider: {
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relation: Model.BelongsToOneRelation,
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modelClass: require('./authentication'),
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join: {
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from: 'users.providerKey',
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to: 'authentication.key'
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}
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},
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defaultEditor: {
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relation: Model.BelongsToOneRelation,
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modelClass: require('./editors'),
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join: {
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from: 'users.editorKey',
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to: 'editors.key'
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}
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},
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locale: {
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relation: Model.BelongsToOneRelation,
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modelClass: require('./locales'),
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join: {
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from: 'users.localeCode',
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to: 'locales.code'
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}
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}
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}
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}
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async $beforeUpdate(opt, context) {
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await super.$beforeUpdate(opt, context)
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this.updatedAt = new Date().toISOString()
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if (!(opt.patch && this.password === undefined)) {
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await this.generateHash()
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}
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}
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async $beforeInsert(context) {
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await super.$beforeInsert(context)
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this.createdAt = new Date().toISOString()
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this.updatedAt = new Date().toISOString()
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await this.generateHash()
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}
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// ------------------------------------------------
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// Instance Methods
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// ------------------------------------------------
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async generateHash() {
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if (this.password) {
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if (bcryptRegexp.test(this.password)) { return }
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this.password = await bcrypt.hash(this.password, 12)
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}
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}
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async verifyPassword(pwd) {
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if (await bcrypt.compare(pwd, this.password) === true) {
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return true
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} else {
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throw new WIKI.Error.AuthLoginFailed()
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}
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}
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async enableTFA() {
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let tfaInfo = tfa.generateSecret({
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name: WIKI.config.site.title
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})
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return this.$query.patch({
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tfaIsActive: true,
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tfaSecret: tfaInfo.secret
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})
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}
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async disableTFA() {
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return this.$query.patch({
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tfaIsActive: false,
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tfaSecret: ''
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})
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}
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async verifyTFA(code) {
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let result = tfa.verifyToken(this.tfaSecret, code)
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return (result && _.has(result, 'delta') && result.delta === 0)
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}
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getGlobalPermissions() {
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return _.uniq(_.flatten(_.map(this.groups, 'permissions')))
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}
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getGroups() {
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return _.uniq(_.map(this.groups, 'id'))
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}
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// ------------------------------------------------
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// Model Methods
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// ------------------------------------------------
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static async processProfile({ profile, providerKey }) {
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const provider = _.get(WIKI.auth.strategies, providerKey, {})
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provider.info = _.find(WIKI.data.authentication, ['key', providerKey])
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// Find existing user
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let user = await WIKI.models.users.query().findOne({
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providerId: _.toString(profile.id),
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providerKey
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})
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// Parse email
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let primaryEmail = ''
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if (_.isArray(profile.emails)) {
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const e = _.find(profile.emails, ['primary', true])
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primaryEmail = (e) ? e.value : _.first(profile.emails).value
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} else if (_.isString(profile.email) && profile.email.length > 5) {
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primaryEmail = profile.email
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} else if (_.isString(profile.mail) && profile.mail.length > 5) {
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primaryEmail = profile.mail
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} else if (profile.user && profile.user.email && profile.user.email.length > 5) {
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primaryEmail = profile.user.email
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} else {
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throw new Error('Missing or invalid email address from profile.')
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}
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primaryEmail = _.toLower(primaryEmail)
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// Parse display name
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let displayName = ''
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if (_.isString(profile.displayName) && profile.displayName.length > 0) {
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displayName = profile.displayName
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} else if (_.isString(profile.name) && profile.name.length > 0) {
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displayName = profile.name
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} else {
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displayName = primaryEmail.split('@')[0]
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}
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// Parse picture URL
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let pictureUrl = _.get(profile, 'picture', _.get(user, 'pictureUrl', null))
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// Update existing user
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if (user) {
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if (!user.isActive) {
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throw new WIKI.Error.AuthAccountBanned()
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}
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if (user.isSystem) {
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throw new Error('This is a system reserved account and cannot be used.')
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}
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user = await user.$query().patchAndFetch({
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email: primaryEmail,
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name: displayName,
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pictureUrl: pictureUrl
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})
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return user
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}
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// Self-registration
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if (provider.selfRegistration) {
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// Check if email domain is whitelisted
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if (_.get(provider, 'domainWhitelist', []).length > 0) {
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const emailDomain = _.last(primaryEmail.split('@'))
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if (!_.includes(provider.domainWhitelist, emailDomain)) {
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throw new WIKI.Error.AuthRegistrationDomainUnauthorized()
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}
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}
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// Create account
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user = await WIKI.models.users.query().insertAndFetch({
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providerKey: providerKey,
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providerId: _.toString(profile.id),
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email: primaryEmail,
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name: displayName,
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pictureUrl: pictureUrl,
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localeCode: WIKI.config.lang.code,
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defaultEditor: 'markdown',
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tfaIsActive: false,
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isSystem: false,
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isActive: true,
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isVerified: true
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})
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// Assign to group(s)
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if (provider.autoEnrollGroups.length > 0) {
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await user.$relatedQuery('groups').relate(provider.autoEnrollGroups)
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}
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return user
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}
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throw new Error('You are not authorized to login.')
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}
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static async login (opts, context) {
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if (_.has(WIKI.auth.strategies, opts.strategy)) {
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const strInfo = _.find(WIKI.data.authentication, ['key', opts.strategy])
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// Inject form user/pass
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if (strInfo.useForm) {
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_.set(context.req, 'body.email', opts.username)
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_.set(context.req, 'body.password', opts.password)
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}
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// Authenticate
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return new Promise((resolve, reject) => {
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WIKI.auth.passport.authenticate(opts.strategy, {
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session: !strInfo.useForm,
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scope: strInfo.scopes ? strInfo.scopes : null
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}, async (err, user, info) => {
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if (err) { return reject(err) }
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if (!user) { return reject(new WIKI.Error.AuthLoginFailed()) }
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// Is 2FA required?
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if (user.tfaIsActive) {
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try {
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let loginToken = await securityHelper.generateToken(32)
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await WIKI.redis.set(`tfa:${loginToken}`, user.id, 'EX', 600)
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return resolve({
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tfaRequired: true,
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tfaLoginToken: loginToken
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})
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} catch (err) {
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WIKI.logger.warn(err)
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return reject(new WIKI.Error.AuthGenericError())
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}
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} else {
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// No 2FA, log in user
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return context.req.logIn(user, { session: !strInfo.useForm }, async err => {
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if (err) { return reject(err) }
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const jwtToken = await WIKI.models.users.refreshToken(user)
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resolve({
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jwt: jwtToken.token,
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tfaRequired: false
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})
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})
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}
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})(context.req, context.res, () => {})
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})
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} else {
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throw new WIKI.Error.AuthProviderInvalid()
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}
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}
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static async refreshToken(user) {
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if (_.isSafeInteger(user)) {
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user = await WIKI.models.users.query().findById(user).eager('groups').modifyEager('groups', builder => {
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builder.select('groups.id', 'permissions')
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})
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if (!user) {
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WIKI.logger.warn(`Failed to refresh token for user ${user}: Not found.`)
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throw new WIKI.Error.AuthGenericError()
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}
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} else if (_.isNil(user.groups)) {
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await user.$relatedQuery('groups').select('groups.id', 'permissions')
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}
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return {
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token: jwt.sign({
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id: user.id,
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email: user.email,
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name: user.name,
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pictureUrl: user.pictureUrl,
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timezone: user.timezone,
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localeCode: user.localeCode,
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defaultEditor: user.defaultEditor,
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permissions: user.getGlobalPermissions(),
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groups: user.getGroups()
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}, {
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key: WIKI.config.certs.private,
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passphrase: WIKI.config.sessionSecret
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}, {
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algorithm: 'RS256',
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expiresIn: WIKI.config.auth.tokenExpiration,
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audience: WIKI.config.auth.audience,
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issuer: 'urn:wiki.js'
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}),
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user
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}
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}
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static async loginTFA(opts, context) {
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if (opts.securityCode.length === 6 && opts.loginToken.length === 64) {
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let result = null // await WIKI.redis.get(`tfa:${opts.loginToken}`)
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if (result) {
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let userId = _.toSafeInteger(result)
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if (userId && userId > 0) {
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let user = await WIKI.models.users.query().findById(userId)
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if (user && user.verifyTFA(opts.securityCode)) {
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return Promise.fromCallback(clb => {
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context.req.logIn(user, clb)
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}).return({
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succeeded: true,
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message: 'Login Successful'
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}).catch(err => {
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WIKI.logger.warn(err)
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throw new WIKI.Error.AuthGenericError()
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})
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} else {
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throw new WIKI.Error.AuthTFAFailed()
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}
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}
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}
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}
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throw new WIKI.Error.AuthTFAInvalid()
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}
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static async register ({ email, password, name, verify = false, bypassChecks = false }, context) {
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const localStrg = await WIKI.models.authentication.getStrategy('local')
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// Check if self-registration is enabled
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if (localStrg.selfRegistration || bypassChecks) {
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// Input sanitization
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email = _.toLower(email)
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// Input validation
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const validation = validate({
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email,
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password,
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name
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}, {
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email: {
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email: true,
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length: {
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maximum: 255
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}
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},
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password: {
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presence: {
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allowEmpty: false
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},
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length: {
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minimum: 6
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}
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},
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name: {
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presence: {
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allowEmpty: false
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},
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length: {
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minimum: 2,
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maximum: 255
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}
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}
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}, { format: 'flat' })
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if (validation && validation.length > 0) {
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throw new WIKI.Error.InputInvalid(validation[0])
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}
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// Check if email domain is whitelisted
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if (_.get(localStrg, 'domainWhitelist.v', []).length > 0 && !bypassChecks) {
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const emailDomain = _.last(email.split('@'))
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if (!_.includes(localStrg.domainWhitelist.v, emailDomain)) {
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throw new WIKI.Error.AuthRegistrationDomainUnauthorized()
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}
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}
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// Check if email already exists
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const usr = await WIKI.models.users.query().findOne({ email, providerKey: 'local' })
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if (!usr) {
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// Create the account
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const newUsr = await WIKI.models.users.query().insert({
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provider: 'local',
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email,
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name,
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password,
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locale: 'en',
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defaultEditor: 'markdown',
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tfaIsActive: false,
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isSystem: false,
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isActive: true,
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isVerified: false
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})
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// Assign to group(s)
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if (_.get(localStrg, 'autoEnrollGroups.v', []).length > 0) {
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await newUsr.$relatedQuery('groups').relate(localStrg.autoEnrollGroups.v)
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}
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if (verify) {
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// Create verification token
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const verificationToken = await WIKI.models.userKeys.generateToken({
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kind: 'verify',
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userId: newUsr.id
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})
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// Send verification email
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await WIKI.mail.send({
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template: 'accountVerify',
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to: email,
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subject: 'Verify your account',
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data: {
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preheadertext: 'Verify your account in order to gain access to the wiki.',
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title: 'Verify your account',
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content: 'Click the button below in order to verify your account and gain access to the wiki.',
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buttonLink: `${WIKI.config.host}/verify/${verificationToken}`,
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buttonText: 'Verify'
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},
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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}`
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})
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}
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return true
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} else {
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throw new WIKI.Error.AuthAccountAlreadyExists()
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}
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} else {
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throw new WIKI.Error.AuthRegistrationDisabled()
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}
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}
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static async getGuestUser () {
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const user = await WIKI.models.users.query().findById(2).eager('groups').modifyEager('groups', builder => {
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builder.select('groups.id', 'permissions')
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})
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if (!user) {
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WIKI.logger.error('CRITICAL ERROR: Guest user is missing!')
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process.exit(1)
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}
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user.permissions = user.getGlobalPermissions()
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return user
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}
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}
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