2019-07-19 13:51:57 -07:00
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var crypto = require('crypto')
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2020-05-06 00:10:27 -07:00
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const Note = require('@models/Note')
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const db = require('@config/database')
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const Auth = require('@helpers/Auth')
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const cs = require('@helpers/CryptoString')
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2019-07-19 13:51:57 -07:00
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let User = module.exports = {}
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//Login a user, if that user does not exist create them
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//Issues login token
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User.login = (username, password) => {
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return new Promise((resolve, reject) => {
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const lowerName = username.toLowerCase();
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db.promise()
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2019-07-30 13:27:26 -07:00
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.query('SELECT * FROM user WHERE username = ? LIMIT 1', [lowerName])
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2019-07-19 13:51:57 -07:00
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.then((rows, fields) => {
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//Pull out user data from database results
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const lookedUpUser = rows[0][0];
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//User not found, create a new account with set data
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if(rows[0].length == 0){
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User.create(lowerName, password)
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2020-05-06 00:10:27 -07:00
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.then( ({token, userId}) => {
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return resolve({ token, userId })
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2019-07-19 13:51:57 -07:00
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})
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}
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2020-05-06 00:10:27 -07:00
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if(lookedUpUser && lookedUpUser.salt){
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//hash the password and check for a match
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const salt = new Buffer(lookedUpUser.salt, 'binary')
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crypto.pbkdf2(password, salt, lookedUpUser.iterations, 512, 'sha512', function(err, delivered_key){
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if(delivered_key.toString('hex') === lookedUpUser.password){
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2019-07-19 13:51:57 -07:00
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2020-05-06 00:10:27 -07:00
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User.generateMasterKey(lookedUpUser.id, password)
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.then( result => User.getMasterKey(lookedUpUser.id, password))
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.then(masterKey => {
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2019-07-19 13:51:57 -07:00
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2020-05-06 00:10:27 -07:00
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//Passback a json web token
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const token = Auth.createToken(lookedUpUser.id, masterKey)
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resolve({ token: token, userId:lookedUpUser.id })
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})
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2019-07-19 13:51:57 -07:00
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2020-05-06 00:10:27 -07:00
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} else {
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reject('Password does not match database')
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}
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})
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}
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2019-07-19 13:51:57 -07:00
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})
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.catch(console.log)
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})
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}
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//Create user account
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//Issues login token
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User.create = (username, password) => {
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//For some reason, username won't get into the promise. But password will @TODO figure this out
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const lowerName = username.toLowerCase().trim()
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return new Promise((resolve, reject) => {
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db.promise()
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2019-07-30 13:27:26 -07:00
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.query('SELECT * FROM user WHERE username = ? LIMIT 1', [lowerName])
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2019-07-19 13:51:57 -07:00
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.then((rows, fields) => {
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if(rows[0].length === 0){ //No users returned, create new one. Start with hashing password
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//Params for hash function
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let shasum = crypto.createHash('sha512') //Prepare Hash
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const ran = parseInt(Date.now()) //Get current time in miliseconds
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const semiRandomInt = Math.floor(Math.random()*11) //Grab a random number
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const otherRandomInt = (ran*semiRandomInt+ran)*semiRandomInt-ran //Mix things up a bit
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shasum.update(''+otherRandomInt) //Update Hasd
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const saltString = shasum.digest('hex')
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const salt = new Buffer(saltString, 'binary') //Generate Salt hash
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const iterations = 25000
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crypto.pbkdf2(password, salt, iterations, 512, 'sha512', function(err, delivered_key) {
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//Create new user object with freshly salted password
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var currentDate = new Date().toISOString().slice(0, 19).replace('T', ' ');
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var new_user = {
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username: lowerName,
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password: delivered_key.toString('hex'),
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salt: salt,
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iterations: iterations,
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last_login: currentDate,
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created: currentDate
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};
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db.promise()
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.query('INSERT INTO user SET ?', new_user)
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2019-07-19 13:51:57 -07:00
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.then((rows, fields) => {
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if(rows[0].affectedRows == 1){
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2020-05-06 00:10:27 -07:00
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const userId = rows[0].insertId
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User.generateMasterKey(userId, password)
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.then( result => User.getMasterKey(userId, password))
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.then(masterKey => {
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const token = Auth.createToken(userId, masterKey)
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return resolve({token, userId})
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})
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2019-07-19 13:51:57 -07:00
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} else {
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//Emit Error to user
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reject('New user could not be created')
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}
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})
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.catch(console.log)
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})
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} else {
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reject('Username already in use.')
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}//END user create
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})
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.catch(console.log)
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2020-02-11 13:11:14 -08:00
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})
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}
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//Counts notes, pinned notes, archived notes, shared notes, unread notes, total files and types
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User.getCounts = (userId) => {
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return new Promise((resolve, reject) => {
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let countTotals = {}
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db.promise().query(
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`SELECT
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SUM(pinned = 1 && archived = 0 && share_user_id IS NULL) AS pinnedNotes,
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2020-02-13 17:08:46 -08:00
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SUM(archived = 1 && share_user_id IS NULL) AS archivedNotes,
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2020-03-13 16:34:32 -07:00
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SUM(encrypted = 1) AS encryptedNotes,
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2020-02-11 13:11:14 -08:00
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SUM(share_user_id IS NULL) AS totalNotes,
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SUM(share_user_id != ?) AS sharedToNotes,
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2020-02-23 21:59:13 -08:00
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SUM( (share_user_id != ? && opened IS null) || (share_user_id != ? && note_raw_text.updated > opened) ) AS unreadNotes
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2020-02-11 13:11:14 -08:00
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FROM note
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2020-03-13 16:34:32 -07:00
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LEFT JOIN note_raw_text ON (note_raw_text.id = note.note_raw_text_id)
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2020-02-11 13:11:14 -08:00
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WHERE user_id = ?`, [userId, userId, userId, userId])
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.then( (rows, fields) => {
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Object.assign(countTotals, rows[0][0]) //combine results
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return db.promise().query(
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`SELECT count(id) AS sharedFromNotes
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FROM note WHERE share_user_id = ?`, [userId]
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)
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})
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.then( (rows, fields) => {
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Object.assign(countTotals, rows[0][0]) //combine results
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return db.promise().query(
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`SELECT
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SUM(attachment_type = 1) as linkFiles,
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SUM(attachment_type != 1) as otherFiles,
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COUNT(id) as totalFiles
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FROM attachment WHERE visible = 1
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AND user_id = ?
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`, [userId]
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)
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}).then( (rows, fields) => {
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Object.assign(countTotals, rows[0][0]) //combine results
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//Convert everything to an int or 0
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Object.keys(countTotals).forEach( key => {
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const count = parseInt(countTotals[key])
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countTotals[key] = count ? count : 0
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})
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resolve(countTotals)
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})
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2020-05-06 00:10:27 -07:00
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})
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}
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User.generateMasterKey = (userId, password) => {
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return new Promise((resolve, reject) => {
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if(!userId || !password){
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reject('Need userId and password to generate key')
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}
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db.promise()
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.query('SELECT count(id) as total FROM user_key WHERE user_id = ?', [userId])
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.then((rows, fields) => {
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//Entry already exists, you good.
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if(rows[0][0]['total'] > 0){
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return resolve(true)
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// throw new Error('User Encryption key already exists')
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} else {
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// Generate user key, its big and random
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const masterPassword = cs.createSmallSalt()
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console.log('Generating new key for user', userId)
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//Generate a salt because it wants it
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const salt = cs.createSmallSalt()
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// Encrypt master password
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const encryptedMasterPassword = cs.encrypt(password, salt, masterPassword)
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const created = Math.round((+new Date)/1000)
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db.promise()
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.query(
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'INSERT INTO user_key (`user_id`, `salt`, `key`, `created`) VALUES (?, ?, ?, ?);',
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[userId, salt, encryptedMasterPassword, created]
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)
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.then((rows, fields)=>{
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return Note.encryptEveryNote(userId, masterPassword)
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})
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.then(results => {
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return new Promise((resolve, reject) => { resolve(true) })
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})
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}
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})
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.then((rows, fields) => {
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return resolve(true)
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})
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.catch(error => {
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console.log('Create Master Password Error')
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console.log(error)
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})
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})
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}
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User.getMasterKey = (userId, password) => {
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if(!userId || !password){
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reject('Need userId and password to fetch key')
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}
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return new Promise((resolve, reject) => {
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db.promise().query('SELECT * FROM user_key WHERE user_id = ? LIMIT 1', [userId])
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.then((rows, fields) => {
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const row = rows[0][0]
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const masterKey = cs.decrypt(password, row['salt'], row['key'])
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if(masterKey == null){
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return reject('Unable to decrypt key')
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}
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return resolve(masterKey)
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})
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2019-07-19 13:51:57 -07:00
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})
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}
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